Add SwiftShader dump from Feb 6 2013
diff --git a/src/GLES2/common/debug.cpp b/src/GLES2/common/debug.cpp
new file mode 100644
index 0000000..4ccb313
--- /dev/null
+++ b/src/GLES2/common/debug.cpp
@@ -0,0 +1,41 @@
+// SwiftShader Software Renderer
+//
+// Copyright(c) 2005-2012 TransGaming Inc.
+//
+// All rights reserved. No part of this software may be copied, distributed, transmitted,
+// transcribed, stored in a retrieval system, translated into any human or computer
+// language by any means, or disclosed to third parties without the explicit written
+// agreement of TransGaming Inc. Without such an agreement, no rights or licenses, express
+// or implied, including but not limited to any patent rights, are granted to you.
+//
+
+// debug.cpp: Debugging utilities.
+
+#include "common/debug.h"
+
+#include <stdio.h>
+#include <stdarg.h>
+
+namespace gl
+{
+ static void output(const char *format, va_list vararg)
+ {
+ #if 0
+ FILE* file = fopen(TRACE_OUTPUT_FILE, "a");
+
+ if(file)
+ {
+ vfprintf(file, format, vararg);
+ fclose(file);
+ }
+ #endif
+ }
+
+ void trace(const char *format, ...)
+ {
+ va_list vararg;
+ va_start(vararg, format);
+ output(format, vararg);
+ va_end(vararg);
+ }
+}
diff --git a/src/GLES2/common/debug.h b/src/GLES2/common/debug.h
new file mode 100644
index 0000000..2f5302c
--- /dev/null
+++ b/src/GLES2/common/debug.h
@@ -0,0 +1,86 @@
+// SwiftShader Software Renderer
+//
+// Copyright(c) 2005-2012 TransGaming Inc.
+//
+// All rights reserved. No part of this software may be copied, distributed, transmitted,
+// transcribed, stored in a retrieval system, translated into any human or computer
+// language by any means, or disclosed to third parties without the explicit written
+// agreement of TransGaming Inc. Without such an agreement, no rights or licenses, express
+// or implied, including but not limited to any patent rights, are granted to you.
+//
+
+// debug.h: Debugging utilities.
+
+#ifndef COMMON_DEBUG_H_
+#define COMMON_DEBUG_H_
+
+#include <stdio.h>
+#include <assert.h>
+
+#if !defined(TRACE_OUTPUT_FILE)
+#define TRACE_OUTPUT_FILE "debug.txt"
+#endif
+
+namespace gl
+{
+ // Outputs text to the debugging log
+ void trace(const char *format, ...);
+}
+
+// A macro to output a trace of a function call and its arguments to the debugging log
+#if defined(ANGLE_DISABLE_TRACE)
+#define TRACE(message, ...) (void(0))
+#else
+#define TRACE(message, ...) gl::trace("trace: %s(%d): "message"\n", __FUNCTION__, __LINE__, ##__VA_ARGS__)
+#endif
+
+// A macro to output a function call and its arguments to the debugging log, to denote an item in need of fixing.
+#if defined(ANGLE_DISABLE_TRACE)
+#define FIXME(message, ...) (void(0))
+#else
+#define FIXME(message, ...) do {gl::trace("fixme: %s(%d): "message"\n", __FUNCTION__, __LINE__, ##__VA_ARGS__); assert(false);} while(false)
+#endif
+
+// A macro to output a function call and its arguments to the debugging log, in case of error.
+#if defined(ANGLE_DISABLE_TRACE)
+#define ERR(message, ...) (void(0))
+#else
+#define ERR(message, ...) do {gl::trace("err: %s(%d): "message"\n", __FUNCTION__, __LINE__, ##__VA_ARGS__); assert(false);} while(false)
+#endif
+
+// A macro asserting a condition and outputting failures to the debug log
+#if !defined(NDEBUG)
+#define ASSERT(expression) do { \
+ if(!(expression)) \
+ ERR("\t! Assert failed in %s(%d): "#expression"\n", __FUNCTION__, __LINE__); \
+ assert(expression); \
+ } while(0)
+#else
+#define ASSERT(expression) (void(0))
+#endif
+
+// A macro to indicate unimplemented functionality
+#if !defined(NDEBUG)
+#define UNIMPLEMENTED() do { \
+ FIXME("\t! Unimplemented: %s(%d)\n", __FUNCTION__, __LINE__); \
+ assert(false); \
+ } while(0)
+#else
+ #define UNIMPLEMENTED() FIXME("\t! Unimplemented: %s(%d)\n", __FUNCTION__, __LINE__)
+#endif
+
+// A macro for code which is not expected to be reached under valid assumptions
+
+#if !defined(NDEBUG)
+#define UNREACHABLE() do { \
+ ERR("\t! Unreachable reached: %s(%d)\n", __FUNCTION__, __LINE__); \
+ assert(false); \
+ } while(0)
+#else
+ #define UNREACHABLE() ERR("\t! Unreachable reached: %s(%d)\n", __FUNCTION__, __LINE__)
+#endif
+
+// A macro functioning as a compile-time assert to validate constant conditions
+#define META_ASSERT(condition) typedef int COMPILE_TIME_ASSERT_##__LINE__[static_cast<bool>(condition) ? 1 : -1]
+
+#endif // COMMON_DEBUG_H_
diff --git a/src/GLES2/compiler/BaseTypes.h b/src/GLES2/compiler/BaseTypes.h
new file mode 100644
index 0000000..3334436
--- /dev/null
+++ b/src/GLES2/compiler/BaseTypes.h
@@ -0,0 +1,148 @@
+//
+// Copyright (c) 2002-2010 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+#ifndef _BASICTYPES_INCLUDED_
+#define _BASICTYPES_INCLUDED_
+
+//
+// Precision qualifiers
+//
+enum TPrecision
+{
+ // These need to be kept sorted
+ EbpUndefined,
+ EbpLow,
+ EbpMedium,
+ EbpHigh,
+};
+
+inline const char* getPrecisionString(TPrecision p)
+{
+ switch(p)
+ {
+ case EbpHigh: return "highp"; break;
+ case EbpMedium: return "mediump"; break;
+ case EbpLow: return "lowp"; break;
+ default: return "mediump"; break; // Safest fallback
+ }
+}
+
+//
+// Basic type. Arrays, vectors, etc., are orthogonal to this.
+//
+enum TBasicType
+{
+ EbtVoid,
+ EbtFloat,
+ EbtInt,
+ EbtBool,
+ EbtGuardSamplerBegin, // non type: see implementation of IsSampler()
+ EbtSampler2D,
+ EbtSamplerCube,
+ EbtGuardSamplerEnd, // non type: see implementation of IsSampler()
+ EbtStruct,
+ EbtAddress, // should be deprecated??
+ EbtInvariant, // used as a type when qualifying a previously declared variable as being invariant
+};
+
+inline const char* getBasicString(TBasicType t)
+{
+ switch (t)
+ {
+ case EbtVoid: return "void"; break;
+ case EbtFloat: return "float"; break;
+ case EbtInt: return "int"; break;
+ case EbtBool: return "bool"; break;
+ case EbtSampler2D: return "sampler2D"; break;
+ case EbtSamplerCube: return "samplerCube"; break;
+ case EbtStruct: return "structure"; break;
+ default: return "unknown type";
+ }
+}
+
+inline bool IsSampler(TBasicType type)
+{
+ return type > EbtGuardSamplerBegin && type < EbtGuardSamplerEnd;
+}
+
+//
+// Qualifiers and built-ins. These are mainly used to see what can be read
+// or written, and by the machine dependent translator to know which registers
+// to allocate variables in. Since built-ins tend to go to different registers
+// than varying or uniform, it makes sense they are peers, not sub-classes.
+//
+enum TQualifier
+{
+ EvqTemporary, // For temporaries (within a function), read/write
+ EvqGlobal, // For globals read/write
+ EvqConst, // User defined constants and non-output parameters in functions
+ EvqAttribute, // Readonly
+ EvqVaryingIn, // readonly, fragment shaders only
+ EvqVaryingOut, // vertex shaders only read/write
+ EvqInvariantVaryingIn, // readonly, fragment shaders only
+ EvqInvariantVaryingOut, // vertex shaders only read/write
+ EvqUniform, // Readonly, vertex and fragment
+
+ // pack/unpack input and output
+ EvqInput,
+ EvqOutput,
+
+ // parameters
+ EvqIn,
+ EvqOut,
+ EvqInOut,
+ EvqConstReadOnly,
+
+ // built-ins written by vertex shader
+ EvqPosition,
+ EvqPointSize,
+
+ // built-ins read by fragment shader
+ EvqFragCoord,
+ EvqFrontFacing,
+ EvqPointCoord,
+
+ // built-ins written by fragment shader
+ EvqFragColor,
+ EvqFragData,
+
+ // end of list
+ EvqLast,
+};
+
+//
+// This is just for debug print out, carried along with the definitions above.
+//
+inline const char* getQualifierString(TQualifier q)
+{
+ switch(q)
+ {
+ case EvqTemporary: return "Temporary"; break;
+ case EvqGlobal: return "Global"; break;
+ case EvqConst: return "const"; break;
+ case EvqConstReadOnly: return "const"; break;
+ case EvqAttribute: return "attribute"; break;
+ case EvqVaryingIn: return "varying"; break;
+ case EvqVaryingOut: return "varying"; break;
+ case EvqInvariantVaryingIn: return "invariant varying"; break;
+ case EvqInvariantVaryingOut:return "invariant varying"; break;
+ case EvqUniform: return "uniform"; break;
+ case EvqIn: return "in"; break;
+ case EvqOut: return "out"; break;
+ case EvqInOut: return "inout"; break;
+ case EvqInput: return "input"; break;
+ case EvqOutput: return "output"; break;
+ case EvqPosition: return "Position"; break;
+ case EvqPointSize: return "PointSize"; break;
+ case EvqFragCoord: return "FragCoord"; break;
+ case EvqFrontFacing: return "FrontFacing"; break;
+ case EvqFragColor: return "FragColor"; break;
+ case EvqFragData: return "FragData"; break;
+ default: return "unknown qualifier";
+ }
+}
+
+#endif // _BASICTYPES_INCLUDED_
diff --git a/src/GLES2/compiler/Common.h b/src/GLES2/compiler/Common.h
new file mode 100644
index 0000000..27a5598
--- /dev/null
+++ b/src/GLES2/compiler/Common.h
@@ -0,0 +1,89 @@
+//
+// Copyright (c) 2002-2010 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+#ifndef _COMMON_INCLUDED_
+#define _COMMON_INCLUDED_
+
+#include <map>
+#include <sstream>
+#include <string>
+#include <vector>
+
+#include "compiler/PoolAlloc.h"
+
+// We need two pieces of information to report errors/warnings - string and
+// line number. We encode these into a single int so that it can be easily
+// incremented/decremented by lexer. The right SOURCE_LOC_LINE_SIZE bits store
+// line number while the rest store the string number. Since the shaders are
+// usually small, we should not run out of memory. SOURCE_LOC_LINE_SIZE
+// can be increased to alleviate this issue.
+typedef int TSourceLoc;
+const unsigned int SOURCE_LOC_LINE_SIZE = 16; // in bits.
+const unsigned int SOURCE_LOC_LINE_MASK = (1 << SOURCE_LOC_LINE_SIZE) - 1;
+
+inline TSourceLoc EncodeSourceLoc(int string, int line) {
+ return (string << SOURCE_LOC_LINE_SIZE) | (line & SOURCE_LOC_LINE_MASK);
+}
+
+inline void DecodeSourceLoc(TSourceLoc loc, int* string, int* line) {
+ if (string) *string = loc >> SOURCE_LOC_LINE_SIZE;
+ if (line) *line = loc & SOURCE_LOC_LINE_MASK;
+}
+
+//
+// Put POOL_ALLOCATOR_NEW_DELETE in base classes to make them use this scheme.
+//
+#define POOL_ALLOCATOR_NEW_DELETE(A) \
+ void* operator new(size_t s) { return (A).allocate(s); } \
+ void* operator new(size_t, void *_Where) { return (_Where); } \
+ void operator delete(void*) { } \
+ void operator delete(void *, void *) { } \
+ void* operator new[](size_t s) { return (A).allocate(s); } \
+ void* operator new[](size_t, void *_Where) { return (_Where); } \
+ void operator delete[](void*) { } \
+ void operator delete[](void *, void *) { }
+
+//
+// Pool version of string.
+//
+typedef pool_allocator<char> TStringAllocator;
+typedef std::basic_string <char, std::char_traits<char>, TStringAllocator> TString;
+typedef std::basic_ostringstream<char, std::char_traits<char>, TStringAllocator> TStringStream;
+inline TString* NewPoolTString(const char* s)
+{
+ void* memory = GlobalPoolAllocator.allocate(sizeof(TString));
+ return new(memory) TString(s);
+}
+
+//
+// Persistent string memory. Should only be used for strings that survive
+// across compiles.
+//
+#define TPersistString std::string
+#define TPersistStringStream std::ostringstream
+
+//
+// Pool allocator versions of vectors, lists, and maps
+//
+template <class T> class TVector : public std::vector<T, pool_allocator<T> > {
+public:
+ typedef typename std::vector<T, pool_allocator<T> >::size_type size_type;
+ TVector() : std::vector<T, pool_allocator<T> >() {}
+ TVector(const pool_allocator<T>& a) : std::vector<T, pool_allocator<T> >(a) {}
+ TVector(size_type i): std::vector<T, pool_allocator<T> >(i) {}
+};
+
+template <class K, class D, class CMP = std::less<K> >
+class TMap : public std::map<K, D, CMP, pool_allocator<std::pair<const K, D> > > {
+public:
+ typedef pool_allocator<std::pair<const K, D> > tAllocator;
+
+ TMap() : std::map<K, D, CMP, tAllocator>() {}
+ // use correct two-stage name lookup supported in gcc 3.4 and above
+ TMap(const tAllocator& a) : std::map<K, D, CMP, tAllocator>(std::map<K, D, CMP, tAllocator>::key_compare(), a) {}
+};
+
+#endif // _COMMON_INCLUDED_
diff --git a/src/GLES2/compiler/Compiler.cpp b/src/GLES2/compiler/Compiler.cpp
new file mode 100644
index 0000000..59e8ffe
--- /dev/null
+++ b/src/GLES2/compiler/Compiler.cpp
@@ -0,0 +1,231 @@
+//
+// Copyright (c) 2002-2012 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+#include "compiler/DetectRecursion.h"
+#include "compiler/Initialize.h"
+#include "compiler/InitializeParseContext.h"
+#include "compiler/ParseHelper.h"
+#include "compiler/ShHandle.h"
+#include "compiler/ValidateLimitations.h"
+
+namespace {
+bool InitializeSymbolTable(
+ const TBuiltInStrings& builtInStrings,
+ ShShaderType type, ShShaderSpec spec, const ShBuiltInResources& resources,
+ TInfoSink& infoSink, TSymbolTable& symbolTable)
+{
+ TIntermediate intermediate(infoSink);
+ TExtensionBehavior extBehavior;
+ InitExtensionBehavior(resources, extBehavior);
+ // The builtins deliberately don't specify precisions for the function
+ // arguments and return types. For that reason we don't try to check them.
+ TParseContext parseContext(symbolTable, extBehavior, intermediate, type, spec, 0, false, NULL, infoSink);
+
+ GlobalParseContext = &parseContext;
+
+ assert(symbolTable.isEmpty());
+ //
+ // Parse the built-ins. This should only happen once per
+ // language symbol table.
+ //
+ // Push the symbol table to give it an initial scope. This
+ // push should not have a corresponding pop, so that built-ins
+ // are preserved, and the test for an empty table fails.
+ //
+ symbolTable.push();
+
+ for (TBuiltInStrings::const_iterator i = builtInStrings.begin(); i != builtInStrings.end(); ++i)
+ {
+ const char* builtInShaders = i->c_str();
+ int builtInLengths = static_cast<int>(i->size());
+ if (builtInLengths <= 0)
+ continue;
+
+ if (PaParseStrings(1, &builtInShaders, &builtInLengths, &parseContext) != 0)
+ {
+ infoSink.info.message(EPrefixInternalError, "Unable to parse built-ins");
+ return false;
+ }
+ }
+
+ IdentifyBuiltIns(type, spec, resources, symbolTable);
+
+ return true;
+}
+
+class TScopedPoolAllocator {
+public:
+ TScopedPoolAllocator(TPoolAllocator* allocator, bool pushPop)
+ : mAllocator(allocator), mPushPopAllocator(pushPop) {
+ if (mPushPopAllocator) mAllocator->push();
+ SetGlobalPoolAllocator(mAllocator);
+ }
+ ~TScopedPoolAllocator() {
+ SetGlobalPoolAllocator(NULL);
+ if (mPushPopAllocator) mAllocator->pop();
+ }
+
+private:
+ TPoolAllocator* mAllocator;
+ bool mPushPopAllocator;
+};
+} // namespace
+
+TShHandleBase::TShHandleBase() {
+ allocator.push();
+ SetGlobalPoolAllocator(&allocator);
+}
+
+TShHandleBase::~TShHandleBase() {
+ SetGlobalPoolAllocator(NULL);
+ allocator.popAll();
+}
+
+TCompiler::TCompiler(ShShaderType type, ShShaderSpec spec)
+ : shaderType(type),
+ shaderSpec(spec)
+{
+}
+
+TCompiler::~TCompiler()
+{
+}
+
+bool TCompiler::Init(const ShBuiltInResources& resources)
+{
+ TScopedPoolAllocator scopedAlloc(&allocator, false);
+
+ // Generate built-in symbol table.
+ if (!InitBuiltInSymbolTable(resources))
+ return false;
+ InitExtensionBehavior(resources, extensionBehavior);
+
+ return true;
+}
+
+bool TCompiler::compile(const char* const shaderStrings[],
+ const int numStrings,
+ int compileOptions)
+{
+ TScopedPoolAllocator scopedAlloc(&allocator, true);
+ clearResults();
+
+ if (numStrings == 0)
+ return true;
+
+ // If compiling for WebGL, validate loop and indexing as well.
+ if (shaderSpec == SH_WEBGL_SPEC)
+ compileOptions |= SH_VALIDATE_LOOP_INDEXING;
+
+ // First string is path of source file if flag is set. The actual source follows.
+ const char* sourcePath = NULL;
+ int firstSource = 0;
+ if (compileOptions & SH_SOURCE_PATH)
+ {
+ sourcePath = shaderStrings[0];
+ ++firstSource;
+ }
+
+ TIntermediate intermediate(infoSink);
+ TParseContext parseContext(symbolTable, extensionBehavior, intermediate,
+ shaderType, shaderSpec, compileOptions, true,
+ sourcePath, infoSink);
+ GlobalParseContext = &parseContext;
+
+ // We preserve symbols at the built-in level from compile-to-compile.
+ // Start pushing the user-defined symbols at global level.
+ symbolTable.push();
+ if (!symbolTable.atGlobalLevel())
+ infoSink.info.message(EPrefixInternalError, "Wrong symbol table level");
+
+ // Parse shader.
+ bool success =
+ (PaParseStrings(numStrings - firstSource, &shaderStrings[firstSource], NULL, &parseContext) == 0) &&
+ (parseContext.treeRoot != NULL);
+ if (success) {
+ TIntermNode* root = parseContext.treeRoot;
+ success = intermediate.postProcess(root);
+
+ if (success)
+ success = detectRecursion(root);
+
+ if (success && (compileOptions & SH_VALIDATE_LOOP_INDEXING))
+ success = validateLimitations(root);
+
+ if (success && (compileOptions & SH_ATTRIBUTES_UNIFORMS))
+ collectAttribsUniforms(root);
+
+ if (success && (compileOptions & SH_INTERMEDIATE_TREE))
+ intermediate.outputTree(root);
+
+ if (success && (compileOptions & SH_OBJECT_CODE))
+ translate(root);
+ }
+
+ // Cleanup memory.
+ intermediate.remove(parseContext.treeRoot);
+ // Ensure symbol table is returned to the built-in level,
+ // throwing away all but the built-ins.
+ while (!symbolTable.atBuiltInLevel())
+ symbolTable.pop();
+
+ return success;
+}
+
+bool TCompiler::InitBuiltInSymbolTable(const ShBuiltInResources& resources)
+{
+ TBuiltIns builtIns;
+
+ builtIns.initialize(shaderType, shaderSpec, resources);
+ return InitializeSymbolTable(builtIns.getBuiltInStrings(),
+ shaderType, shaderSpec, resources, infoSink, symbolTable);
+}
+
+void TCompiler::clearResults()
+{
+ infoSink.info.erase();
+ infoSink.obj.erase();
+ infoSink.debug.erase();
+
+ attribs.clear();
+ uniforms.clear();
+}
+
+bool TCompiler::detectRecursion(TIntermNode* root)
+{
+ DetectRecursion detect;
+ root->traverse(&detect);
+ switch (detect.detectRecursion()) {
+ case DetectRecursion::kErrorNone:
+ return true;
+ case DetectRecursion::kErrorMissingMain:
+ infoSink.info.message(EPrefixError, "Missing main()");
+ return false;
+ case DetectRecursion::kErrorRecursion:
+ infoSink.info.message(EPrefixError, "Function recursion detected");
+ return false;
+ default:
+ UNREACHABLE();
+ return false;
+ }
+}
+
+bool TCompiler::validateLimitations(TIntermNode* root) {
+ ValidateLimitations validate(shaderType, infoSink.info);
+ root->traverse(&validate);
+ return validate.numErrors() == 0;
+}
+
+void TCompiler::collectAttribsUniforms(TIntermNode* root)
+{
+ CollectAttribsUniforms collect(attribs, uniforms);
+ root->traverse(&collect);
+}
+
+const TExtensionBehavior& TCompiler::getExtensionBehavior() const
+{
+ return extensionBehavior;
+}
diff --git a/src/GLES2/compiler/Compiler.vcxproj b/src/GLES2/compiler/Compiler.vcxproj
new file mode 100644
index 0000000..9ca34db
--- /dev/null
+++ b/src/GLES2/compiler/Compiler.vcxproj
@@ -0,0 +1,218 @@
+<?xml version="1.0" encoding="utf-8"?>
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+ <ItemGroup Label="ProjectConfigurations">
+ <ProjectConfiguration Include="Debug|Win32">
+ <Configuration>Debug</Configuration>
+ <Platform>Win32</Platform>
+ </ProjectConfiguration>
+ <ProjectConfiguration Include="Profile|Win32">
+ <Configuration>Profile</Configuration>
+ <Platform>Win32</Platform>
+ </ProjectConfiguration>
+ <ProjectConfiguration Include="Release|Win32">
+ <Configuration>Release</Configuration>
+ <Platform>Win32</Platform>
+ </ProjectConfiguration>
+ </ItemGroup>
+ <PropertyGroup Label="Globals">
+ <ProjectGuid>{5B3A6DB8-1E7E-40D7-92B9-DA8AAE619FAD}</ProjectGuid>
+ <RootNamespace>compiler</RootNamespace>
+ <Keyword>Win32Proj</Keyword>
+ <ProjectName>Compiler</ProjectName>
+ </PropertyGroup>
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+ <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'" Label="Configuration">
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+ <ImportGroup Label="ExtensionSettings">
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+ <PropertyGroup Label="UserMacros" />
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+ <_ProjectFileVersion>10.0.30319.1</_ProjectFileVersion>
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+ <IncludePath Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">..\include;$(DXSDK_DIR)\Include;$(VCInstallDir)PlatformSDK\include;$(IncludePath)</IncludePath>
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diff --git a/src/GLES2/compiler/ConstantUnion.h b/src/GLES2/compiler/ConstantUnion.h
new file mode 100644
index 0000000..bac2e9a
--- /dev/null
+++ b/src/GLES2/compiler/ConstantUnion.h
@@ -0,0 +1,275 @@
+//
+// Copyright (c) 2002-2012 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+#ifndef _CONSTANT_UNION_INCLUDED_
+#define _CONSTANT_UNION_INCLUDED_
+
+#include <assert.h>
+
+class ConstantUnion {
+public:
+ ConstantUnion()
+ {
+ iConst = 0;
+ }
+
+ POOL_ALLOCATOR_NEW_DELETE(GlobalPoolAllocator)
+ void setIConst(int i) {iConst = i; type = EbtInt; }
+ void setFConst(float f) {fConst = f; type = EbtFloat; }
+ void setBConst(bool b) {bConst = b; type = EbtBool; }
+
+ int getIConst() { return iConst; }
+ float getFConst() { return fConst; }
+ bool getBConst() { return bConst; }
+ int getIConst() const { return iConst; }
+ float getFConst() const { return fConst; }
+ bool getBConst() const { return bConst; }
+
+ float getAsFloat()
+ {
+ const int FFFFFFFFh = 0xFFFFFFFF;
+
+ switch(type)
+ {
+ case EbtInt: return (float)iConst;
+ case EbtFloat: return fConst;
+ case EbtBool: return (bConst == true) ? (float&)FFFFFFFFh : 0;
+ default: return 0;
+ }
+ }
+
+ bool operator==(const int i) const
+ {
+ return i == iConst;
+ }
+
+ bool operator==(const float f) const
+ {
+ return f == fConst;
+ }
+
+ bool operator==(const bool b) const
+ {
+ return b == bConst;
+ }
+
+ bool operator==(const ConstantUnion& constant) const
+ {
+ if (constant.type != type)
+ return false;
+
+ switch (type) {
+ case EbtInt:
+ return constant.iConst == iConst;
+ case EbtFloat:
+ return constant.fConst == fConst;
+ case EbtBool:
+ return constant.bConst == bConst;
+ default:
+ return false;
+ }
+
+ return false;
+ }
+
+ bool operator!=(const int i) const
+ {
+ return !operator==(i);
+ }
+
+ bool operator!=(const float f) const
+ {
+ return !operator==(f);
+ }
+
+ bool operator!=(const bool b) const
+ {
+ return !operator==(b);
+ }
+
+ bool operator!=(const ConstantUnion& constant) const
+ {
+ return !operator==(constant);
+ }
+
+ bool operator>(const ConstantUnion& constant) const
+ {
+ assert(type == constant.type);
+ switch (type) {
+ case EbtInt:
+ return iConst > constant.iConst;
+ case EbtFloat:
+ return fConst > constant.fConst;
+ default:
+ return false; // Invalid operation, handled at semantic analysis
+ }
+
+ return false;
+ }
+
+ bool operator<(const ConstantUnion& constant) const
+ {
+ assert(type == constant.type);
+ switch (type) {
+ case EbtInt:
+ return iConst < constant.iConst;
+ case EbtFloat:
+ return fConst < constant.fConst;
+ default:
+ return false; // Invalid operation, handled at semantic analysis
+ }
+
+ return false;
+ }
+
+ ConstantUnion operator+(const ConstantUnion& constant) const
+ {
+ ConstantUnion returnValue;
+ assert(type == constant.type);
+ switch (type) {
+ case EbtInt: returnValue.setIConst(iConst + constant.iConst); break;
+ case EbtFloat: returnValue.setFConst(fConst + constant.fConst); break;
+ default: assert(false && "Default missing");
+ }
+
+ return returnValue;
+ }
+
+ ConstantUnion operator-(const ConstantUnion& constant) const
+ {
+ ConstantUnion returnValue;
+ assert(type == constant.type);
+ switch (type) {
+ case EbtInt: returnValue.setIConst(iConst - constant.iConst); break;
+ case EbtFloat: returnValue.setFConst(fConst - constant.fConst); break;
+ default: assert(false && "Default missing");
+ }
+
+ return returnValue;
+ }
+
+ ConstantUnion operator*(const ConstantUnion& constant) const
+ {
+ ConstantUnion returnValue;
+ assert(type == constant.type);
+ switch (type) {
+ case EbtInt: returnValue.setIConst(iConst * constant.iConst); break;
+ case EbtFloat: returnValue.setFConst(fConst * constant.fConst); break;
+ default: assert(false && "Default missing");
+ }
+
+ return returnValue;
+ }
+
+ ConstantUnion operator%(const ConstantUnion& constant) const
+ {
+ ConstantUnion returnValue;
+ assert(type == constant.type);
+ switch (type) {
+ case EbtInt: returnValue.setIConst(iConst % constant.iConst); break;
+ default: assert(false && "Default missing");
+ }
+
+ return returnValue;
+ }
+
+ ConstantUnion operator>>(const ConstantUnion& constant) const
+ {
+ ConstantUnion returnValue;
+ assert(type == constant.type);
+ switch (type) {
+ case EbtInt: returnValue.setIConst(iConst >> constant.iConst); break;
+ default: assert(false && "Default missing");
+ }
+
+ return returnValue;
+ }
+
+ ConstantUnion operator<<(const ConstantUnion& constant) const
+ {
+ ConstantUnion returnValue;
+ assert(type == constant.type);
+ switch (type) {
+ case EbtInt: returnValue.setIConst(iConst << constant.iConst); break;
+ default: assert(false && "Default missing");
+ }
+
+ return returnValue;
+ }
+
+ ConstantUnion operator&(const ConstantUnion& constant) const
+ {
+ ConstantUnion returnValue;
+ assert(type == constant.type);
+ switch (type) {
+ case EbtInt: returnValue.setIConst(iConst & constant.iConst); break;
+ default: assert(false && "Default missing");
+ }
+
+ return returnValue;
+ }
+
+ ConstantUnion operator|(const ConstantUnion& constant) const
+ {
+ ConstantUnion returnValue;
+ assert(type == constant.type);
+ switch (type) {
+ case EbtInt: returnValue.setIConst(iConst | constant.iConst); break;
+ default: assert(false && "Default missing");
+ }
+
+ return returnValue;
+ }
+
+ ConstantUnion operator^(const ConstantUnion& constant) const
+ {
+ ConstantUnion returnValue;
+ assert(type == constant.type);
+ switch (type) {
+ case EbtInt: returnValue.setIConst(iConst ^ constant.iConst); break;
+ default: assert(false && "Default missing");
+ }
+
+ return returnValue;
+ }
+
+ ConstantUnion operator&&(const ConstantUnion& constant) const
+ {
+ ConstantUnion returnValue;
+ assert(type == constant.type);
+ switch (type) {
+ case EbtBool: returnValue.setBConst(bConst && constant.bConst); break;
+ default: assert(false && "Default missing");
+ }
+
+ return returnValue;
+ }
+
+ ConstantUnion operator||(const ConstantUnion& constant) const
+ {
+ ConstantUnion returnValue;
+ assert(type == constant.type);
+ switch (type) {
+ case EbtBool: returnValue.setBConst(bConst || constant.bConst); break;
+ default: assert(false && "Default missing");
+ }
+
+ return returnValue;
+ }
+
+ TBasicType getType() const { return type; }
+private:
+
+ union {
+ int iConst; // used for ivec, scalar ints
+ bool bConst; // used for bvec, scalar bools
+ float fConst; // used for vec, mat, scalar floats
+ } ;
+
+ TBasicType type;
+};
+
+#endif // _CONSTANT_UNION_INCLUDED_
diff --git a/src/GLES2/compiler/DetectRecursion.cpp b/src/GLES2/compiler/DetectRecursion.cpp
new file mode 100644
index 0000000..e79b70d
--- /dev/null
+++ b/src/GLES2/compiler/DetectRecursion.cpp
@@ -0,0 +1,125 @@
+//
+// Copyright (c) 2002-2012 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+#include "compiler/DetectRecursion.h"
+
+DetectRecursion::FunctionNode::FunctionNode(const TString& fname)
+ : name(fname),
+ visit(PreVisit)
+{
+}
+
+const TString& DetectRecursion::FunctionNode::getName() const
+{
+ return name;
+}
+
+void DetectRecursion::FunctionNode::addCallee(
+ DetectRecursion::FunctionNode* callee)
+{
+ for (size_t i = 0; i < callees.size(); ++i) {
+ if (callees[i] == callee)
+ return;
+ }
+ callees.push_back(callee);
+}
+
+bool DetectRecursion::FunctionNode::detectRecursion()
+{
+ ASSERT(visit == PreVisit);
+ visit = InVisit;
+ for (size_t i = 0; i < callees.size(); ++i) {
+ switch (callees[i]->visit) {
+ case InVisit:
+ // cycle detected, i.e., recursion detected.
+ return true;
+ case PostVisit:
+ break;
+ case PreVisit: {
+ bool recursion = callees[i]->detectRecursion();
+ if (recursion)
+ return true;
+ break;
+ }
+ default:
+ UNREACHABLE();
+ break;
+ }
+ }
+ visit = PostVisit;
+ return false;
+}
+
+DetectRecursion::DetectRecursion()
+ : currentFunction(NULL)
+{
+}
+
+DetectRecursion::~DetectRecursion()
+{
+ for (size_t i = 0; i < functions.size(); ++i)
+ delete functions[i];
+}
+
+bool DetectRecursion::visitAggregate(Visit visit, TIntermAggregate* node)
+{
+ switch (node->getOp())
+ {
+ case EOpPrototype:
+ // Function declaration.
+ // Don't add FunctionNode here because node->getName() is the
+ // unmangled function name.
+ break;
+ case EOpFunction: {
+ // Function definition.
+ if (visit == PreVisit) {
+ currentFunction = findFunctionByName(node->getName());
+ if (currentFunction == NULL) {
+ currentFunction = new FunctionNode(node->getName());
+ functions.push_back(currentFunction);
+ }
+ }
+ break;
+ }
+ case EOpFunctionCall: {
+ // Function call.
+ if (visit == PreVisit) {
+ ASSERT(currentFunction != NULL);
+ FunctionNode* func = findFunctionByName(node->getName());
+ if (func == NULL) {
+ func = new FunctionNode(node->getName());
+ functions.push_back(func);
+ }
+ currentFunction->addCallee(func);
+ }
+ break;
+ }
+ default:
+ break;
+ }
+ return true;
+}
+
+DetectRecursion::ErrorCode DetectRecursion::detectRecursion()
+{
+ FunctionNode* main = findFunctionByName("main(");
+ if (main == NULL)
+ return kErrorMissingMain;
+ if (main->detectRecursion())
+ return kErrorRecursion;
+ return kErrorNone;
+}
+
+DetectRecursion::FunctionNode* DetectRecursion::findFunctionByName(
+ const TString& name)
+{
+ for (size_t i = 0; i < functions.size(); ++i) {
+ if (functions[i]->getName() == name)
+ return functions[i];
+ }
+ return NULL;
+}
+
diff --git a/src/GLES2/compiler/DetectRecursion.h b/src/GLES2/compiler/DetectRecursion.h
new file mode 100644
index 0000000..bbac79d
--- /dev/null
+++ b/src/GLES2/compiler/DetectRecursion.h
@@ -0,0 +1,60 @@
+//
+// Copyright (c) 2002-2011 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+#ifndef COMPILER_DETECT_RECURSION_H_
+#define COMPILER_DETECT_RECURSION_H_
+
+#include "GLSLANG/ShaderLang.h"
+
+#include "compiler/intermediate.h"
+#include "compiler/VariableInfo.h"
+
+// Traverses intermediate tree to detect function recursion.
+class DetectRecursion : public TIntermTraverser {
+public:
+ enum ErrorCode {
+ kErrorMissingMain,
+ kErrorRecursion,
+ kErrorNone
+ };
+
+ DetectRecursion();
+ ~DetectRecursion();
+
+ virtual bool visitAggregate(Visit, TIntermAggregate*);
+
+ ErrorCode detectRecursion();
+
+private:
+ class FunctionNode {
+ public:
+ FunctionNode(const TString& fname);
+
+ const TString& getName() const;
+
+ // If a function is already in the callee list, this becomes a no-op.
+ void addCallee(FunctionNode* callee);
+
+ // Return true if recursive function calls are detected.
+ bool detectRecursion();
+
+ private:
+ // mangled function name is unique.
+ TString name;
+
+ // functions that are directly called by this function.
+ TVector<FunctionNode*> callees;
+
+ Visit visit;
+ };
+
+ FunctionNode* findFunctionByName(const TString& name);
+
+ TVector<FunctionNode*> functions;
+ FunctionNode* currentFunction;
+};
+
+#endif // COMPILER_DETECT_RECURSION_H_
diff --git a/src/GLES2/compiler/Diagnostics.cpp b/src/GLES2/compiler/Diagnostics.cpp
new file mode 100644
index 0000000..166a4a8
--- /dev/null
+++ b/src/GLES2/compiler/Diagnostics.cpp
@@ -0,0 +1,63 @@
+//
+// Copyright (c) 2012 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+#include "compiler/Diagnostics.h"
+
+#include "compiler/debug.h"
+#include "compiler/InfoSink.h"
+#include "compiler/preprocessor/SourceLocation.h"
+
+TDiagnostics::TDiagnostics(TInfoSink& infoSink) :
+ mInfoSink(infoSink),
+ mNumErrors(0),
+ mNumWarnings(0)
+{
+}
+
+TDiagnostics::~TDiagnostics()
+{
+}
+
+void TDiagnostics::writeInfo(Severity severity,
+ const pp::SourceLocation& loc,
+ const std::string& reason,
+ const std::string& token,
+ const std::string& extra)
+{
+ TPrefixType prefix = EPrefixNone;
+ switch (severity)
+ {
+ case PP_ERROR:
+ ++mNumErrors;
+ prefix = EPrefixError;
+ break;
+ case PP_WARNING:
+ ++mNumWarnings;
+ prefix = EPrefixWarning;
+ break;
+ default:
+ UNREACHABLE();
+ break;
+ }
+
+ TInfoSinkBase& sink = mInfoSink.info;
+ /* VC++ format: file(linenum) : error #: 'token' : extrainfo */
+ sink.prefix(prefix);
+ sink.location(EncodeSourceLoc(loc.file, loc.line));
+ sink << "'" << token << "' : " << reason << " " << extra << "\n";
+}
+
+void TDiagnostics::writeDebug(const std::string& str)
+{
+ mInfoSink.debug << str;
+}
+
+void TDiagnostics::print(ID id,
+ const pp::SourceLocation& loc,
+ const std::string& text)
+{
+ writeInfo(severity(id), loc, message(id), text, "");
+}
diff --git a/src/GLES2/compiler/Diagnostics.h b/src/GLES2/compiler/Diagnostics.h
new file mode 100644
index 0000000..43dfcb7
--- /dev/null
+++ b/src/GLES2/compiler/Diagnostics.h
@@ -0,0 +1,44 @@
+//
+// Copyright (c) 2012 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+#ifndef COMPILER_DIAGNOSTICS_H_
+#define COMPILER_DIAGNOSTICS_H_
+
+#include "compiler/preprocessor/Diagnostics.h"
+
+class TInfoSink;
+
+class TDiagnostics : public pp::Diagnostics
+{
+ public:
+ TDiagnostics(TInfoSink& infoSink);
+ virtual ~TDiagnostics();
+
+ TInfoSink& infoSink() { return mInfoSink; }
+
+ int numErrors() const { return mNumErrors; }
+ int numWarnings() const { return mNumWarnings; }
+
+ void writeInfo(Severity severity,
+ const pp::SourceLocation& loc,
+ const std::string& reason,
+ const std::string& token,
+ const std::string& extra);
+
+ void writeDebug(const std::string& str);
+
+ protected:
+ virtual void print(ID id,
+ const pp::SourceLocation& loc,
+ const std::string& text);
+
+ private:
+ TInfoSink& mInfoSink;
+ int mNumErrors;
+ int mNumWarnings;
+};
+
+#endif // COMPILER_DIAGNOSTICS_H_
diff --git a/src/GLES2/compiler/DirectiveHandler.cpp b/src/GLES2/compiler/DirectiveHandler.cpp
new file mode 100644
index 0000000..f6a9a93
--- /dev/null
+++ b/src/GLES2/compiler/DirectiveHandler.cpp
@@ -0,0 +1,161 @@
+//
+// Copyright (c) 2012 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+#include "compiler/DirectiveHandler.h"
+
+#include <sstream>
+
+#include "compiler/debug.h"
+#include "compiler/Diagnostics.h"
+
+static TBehavior getBehavior(const std::string& str)
+{
+ static const std::string kRequire("require");
+ static const std::string kEnable("enable");
+ static const std::string kDisable("disable");
+ static const std::string kWarn("warn");
+
+ if (str == kRequire) return EBhRequire;
+ else if (str == kEnable) return EBhEnable;
+ else if (str == kDisable) return EBhDisable;
+ else if (str == kWarn) return EBhWarn;
+ return EBhUndefined;
+}
+
+TDirectiveHandler::TDirectiveHandler(TExtensionBehavior& extBehavior,
+ TDiagnostics& diagnostics)
+ : mExtensionBehavior(extBehavior),
+ mDiagnostics(diagnostics)
+{
+}
+
+TDirectiveHandler::~TDirectiveHandler()
+{
+}
+
+void TDirectiveHandler::handleError(const pp::SourceLocation& loc,
+ const std::string& msg)
+{
+ mDiagnostics.writeInfo(pp::Diagnostics::PP_ERROR, loc, msg, "", "");
+}
+
+void TDirectiveHandler::handlePragma(const pp::SourceLocation& loc,
+ const std::string& name,
+ const std::string& value)
+{
+ static const std::string kSTDGL("STDGL");
+ static const std::string kOptimize("optimize");
+ static const std::string kDebug("debug");
+ static const std::string kOn("on");
+ static const std::string kOff("off");
+
+ bool invalidValue = false;
+ if (name == kSTDGL)
+ {
+ // The STDGL pragma is used to reserve pragmas for use by future
+ // revisions of GLSL. Ignore it.
+ return;
+ }
+ else if (name == kOptimize)
+ {
+ if (value == kOn) mPragma.optimize = true;
+ else if (value == kOff) mPragma.optimize = false;
+ else invalidValue = true;
+ }
+ else if (name == kDebug)
+ {
+ if (value == kOn) mPragma.debug = true;
+ else if (value == kOff) mPragma.debug = false;
+ else invalidValue = true;
+ }
+ else
+ {
+ mDiagnostics.report(pp::Diagnostics::UNRECOGNIZED_PRAGMA, loc, name);
+ return;
+ }
+
+ if (invalidValue)
+ mDiagnostics.writeInfo(pp::Diagnostics::PP_ERROR, loc,
+ "invalid pragma value", value,
+ "'on' or 'off' expected");
+}
+
+void TDirectiveHandler::handleExtension(const pp::SourceLocation& loc,
+ const std::string& name,
+ const std::string& behavior)
+{
+ static const std::string kExtAll("all");
+
+ TBehavior behaviorVal = getBehavior(behavior);
+ if (behaviorVal == EBhUndefined)
+ {
+ mDiagnostics.writeInfo(pp::Diagnostics::PP_ERROR, loc,
+ "behavior", name, "invalid");
+ return;
+ }
+
+ if (name == kExtAll)
+ {
+ if (behaviorVal == EBhRequire)
+ {
+ mDiagnostics.writeInfo(pp::Diagnostics::PP_ERROR, loc,
+ "extension", name,
+ "cannot have 'require' behavior");
+ }
+ else if (behaviorVal == EBhEnable)
+ {
+ mDiagnostics.writeInfo(pp::Diagnostics::PP_ERROR, loc,
+ "extension", name,
+ "cannot have 'enable' behavior");
+ }
+ else
+ {
+ for (TExtensionBehavior::iterator iter = mExtensionBehavior.begin();
+ iter != mExtensionBehavior.end(); ++iter)
+ iter->second = behaviorVal;
+ }
+ return;
+ }
+
+ TExtensionBehavior::iterator iter = mExtensionBehavior.find(name);
+ if (iter != mExtensionBehavior.end())
+ {
+ iter->second = behaviorVal;
+ return;
+ }
+
+ pp::Diagnostics::Severity severity = pp::Diagnostics::PP_ERROR;
+ switch (behaviorVal) {
+ case EBhRequire:
+ severity = pp::Diagnostics::PP_ERROR;
+ break;
+ case EBhEnable:
+ case EBhWarn:
+ case EBhDisable:
+ severity = pp::Diagnostics::PP_WARNING;
+ break;
+ default:
+ UNREACHABLE();
+ break;
+ }
+ mDiagnostics.writeInfo(severity, loc,
+ "extension", name, "is not supported");
+}
+
+void TDirectiveHandler::handleVersion(const pp::SourceLocation& loc,
+ int version)
+{
+ static const int kVersion = 100;
+
+ if (version != kVersion)
+ {
+ std::stringstream stream;
+ stream << version;
+ std::string str = stream.str();
+ mDiagnostics.writeInfo(pp::Diagnostics::PP_ERROR, loc,
+ "version number", str, "not supported");
+ }
+}
diff --git a/src/GLES2/compiler/DirectiveHandler.h b/src/GLES2/compiler/DirectiveHandler.h
new file mode 100644
index 0000000..a08b7a8
--- /dev/null
+++ b/src/GLES2/compiler/DirectiveHandler.h
@@ -0,0 +1,46 @@
+//
+// Copyright (c) 2012 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+#ifndef COMPILER_DIRECTIVE_HANDLER_H_
+#define COMPILER_DIRECTIVE_HANDLER_H_
+
+#include "compiler/ExtensionBehavior.h"
+#include "compiler/Pragma.h"
+#include "compiler/preprocessor/DirectiveHandler.h"
+
+class TDiagnostics;
+
+class TDirectiveHandler : public pp::DirectiveHandler
+{
+ public:
+ TDirectiveHandler(TExtensionBehavior& extBehavior,
+ TDiagnostics& diagnostics);
+ virtual ~TDirectiveHandler();
+
+ const TPragma& pragma() const { return mPragma; }
+ const TExtensionBehavior& extensionBehavior() const { return mExtensionBehavior; }
+
+ virtual void handleError(const pp::SourceLocation& loc,
+ const std::string& msg);
+
+ virtual void handlePragma(const pp::SourceLocation& loc,
+ const std::string& name,
+ const std::string& value);
+
+ virtual void handleExtension(const pp::SourceLocation& loc,
+ const std::string& name,
+ const std::string& behavior);
+
+ virtual void handleVersion(const pp::SourceLocation& loc,
+ int version);
+
+ private:
+ TPragma mPragma;
+ TExtensionBehavior& mExtensionBehavior;
+ TDiagnostics& mDiagnostics;
+};
+
+#endif // COMPILER_DIRECTIVE_HANDLER_H_
diff --git a/src/GLES2/compiler/ExtensionBehavior.h b/src/GLES2/compiler/ExtensionBehavior.h
new file mode 100644
index 0000000..e369ddd
--- /dev/null
+++ b/src/GLES2/compiler/ExtensionBehavior.h
@@ -0,0 +1,37 @@
+//
+// Copyright (c) 2002-2012 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+#ifndef _EXTENSION_BEHAVIOR_INCLUDED_
+#define _EXTENSION_BEHAVIOR_INCLUDED_
+
+#include <map>
+#include <string>
+
+typedef enum
+{
+ EBhRequire,
+ EBhEnable,
+ EBhWarn,
+ EBhDisable,
+ EBhUndefined,
+} TBehavior;
+
+inline const char *getBehaviorString(TBehavior b)
+{
+ switch(b)
+ {
+ case EBhRequire: return "require";
+ case EBhEnable: return "enable";
+ case EBhWarn: return "warn";
+ case EBhDisable: return "disable";
+ default: return NULL;
+ }
+}
+
+// Mapping between extension name and behavior.
+typedef std::map<std::string, TBehavior> TExtensionBehavior;
+
+#endif // _EXTENSION_TABLE_INCLUDED_
diff --git a/src/GLES2/compiler/InfoSink.cpp b/src/GLES2/compiler/InfoSink.cpp
new file mode 100644
index 0000000..ba32f78
--- /dev/null
+++ b/src/GLES2/compiler/InfoSink.cpp
@@ -0,0 +1,59 @@
+//
+// Copyright (c) 2002-2010 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+#include "compiler/InfoSink.h"
+
+void TInfoSinkBase::prefix(TPrefixType message) {
+ switch(message) {
+ case EPrefixNone:
+ break;
+ case EPrefixWarning:
+ sink.append("WARNING: ");
+ break;
+ case EPrefixError:
+ sink.append("ERROR: ");
+ break;
+ case EPrefixInternalError:
+ sink.append("INTERNAL ERROR: ");
+ break;
+ case EPrefixUnimplemented:
+ sink.append("UNIMPLEMENTED: ");
+ break;
+ case EPrefixNote:
+ sink.append("NOTE: ");
+ break;
+ default:
+ sink.append("UNKOWN ERROR: ");
+ break;
+ }
+}
+
+void TInfoSinkBase::location(TSourceLoc loc) {
+ int string = 0, line = 0;
+ DecodeSourceLoc(loc, &string, &line);
+
+ TPersistStringStream stream;
+ if (line)
+ stream << string << ":" << line;
+ else
+ stream << string << ":? ";
+ stream << ": ";
+
+ sink.append(stream.str());
+}
+
+void TInfoSinkBase::message(TPrefixType message, const char* s) {
+ prefix(message);
+ sink.append(s);
+ sink.append("\n");
+}
+
+void TInfoSinkBase::message(TPrefixType message, const char* s, TSourceLoc loc) {
+ prefix(message);
+ location(loc);
+ sink.append(s);
+ sink.append("\n");
+}
diff --git a/src/GLES2/compiler/InfoSink.h b/src/GLES2/compiler/InfoSink.h
new file mode 100644
index 0000000..e2224e918
--- /dev/null
+++ b/src/GLES2/compiler/InfoSink.h
@@ -0,0 +1,115 @@
+//
+// Copyright (c) 2002-2010 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+#ifndef _INFOSINK_INCLUDED_
+#define _INFOSINK_INCLUDED_
+
+#include <math.h>
+#include "compiler/Common.h"
+
+// Returns the fractional part of the given floating-point number.
+inline float fractionalPart(float f) {
+ float intPart = 0.0f;
+ return modff(f, &intPart);
+}
+
+//
+// TPrefixType is used to centralize how info log messages start.
+// See below.
+//
+enum TPrefixType {
+ EPrefixNone,
+ EPrefixWarning,
+ EPrefixError,
+ EPrefixInternalError,
+ EPrefixUnimplemented,
+ EPrefixNote
+};
+
+//
+// Encapsulate info logs for all objects that have them.
+//
+// The methods are a general set of tools for getting a variety of
+// messages and types inserted into the log.
+//
+class TInfoSinkBase {
+public:
+ TInfoSinkBase() {}
+
+ template <typename T>
+ TInfoSinkBase& operator<<(const T& t) {
+ TPersistStringStream stream;
+ stream << t;
+ sink.append(stream.str());
+ return *this;
+ }
+ // Override << operator for specific types. It is faster to append strings
+ // and characters directly to the sink.
+ TInfoSinkBase& operator<<(char c) {
+ sink.append(1, c);
+ return *this;
+ }
+ TInfoSinkBase& operator<<(const char* str) {
+ sink.append(str);
+ return *this;
+ }
+ TInfoSinkBase& operator<<(const TPersistString& str) {
+ sink.append(str);
+ return *this;
+ }
+ TInfoSinkBase& operator<<(const TString& str) {
+ sink.append(str.c_str());
+ return *this;
+ }
+ // Make sure floats are written with correct precision.
+ TInfoSinkBase& operator<<(float f) {
+ // Make sure that at least one decimal point is written. If a number
+ // does not have a fractional part, the default precision format does
+ // not write the decimal portion which gets interpreted as integer by
+ // the compiler.
+ TPersistStringStream stream;
+ if (fractionalPart(f) == 0.0f) {
+ stream.precision(1);
+ stream << std::showpoint << std::fixed << f;
+ } else {
+ stream.unsetf(std::ios::fixed);
+ stream.unsetf(std::ios::scientific);
+ stream.precision(8);
+ stream << f;
+ }
+ sink.append(stream.str());
+ return *this;
+ }
+ // Write boolean values as their names instead of integral value.
+ TInfoSinkBase& operator<<(bool b) {
+ const char* str = b ? "true" : "false";
+ sink.append(str);
+ return *this;
+ }
+
+ void erase() { sink.clear(); }
+ int size() { return static_cast<int>(sink.size()); }
+
+ const TPersistString& str() const { return sink; }
+ const char* c_str() const { return sink.c_str(); }
+
+ void prefix(TPrefixType message);
+ void location(TSourceLoc loc);
+ void message(TPrefixType message, const char* s);
+ void message(TPrefixType message, const char* s, TSourceLoc loc);
+
+private:
+ TPersistString sink;
+};
+
+class TInfoSink {
+public:
+ TInfoSinkBase info;
+ TInfoSinkBase debug;
+ TInfoSinkBase obj;
+};
+
+#endif // _INFOSINK_INCLUDED_
diff --git a/src/GLES2/compiler/Initialize.cpp b/src/GLES2/compiler/Initialize.cpp
new file mode 100644
index 0000000..401b9b8
--- /dev/null
+++ b/src/GLES2/compiler/Initialize.cpp
@@ -0,0 +1,628 @@
+//
+// Copyright (c) 2002-2010 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+//
+// Create strings that declare built-in definitions, add built-ins that
+// cannot be expressed in the files, and establish mappings between
+// built-in functions and operators.
+//
+
+#include "compiler/Initialize.h"
+
+#include "compiler/intermediate.h"
+
+//============================================================================
+//
+// Prototypes for built-in functions seen by both vertex and fragment shaders.
+//
+//============================================================================
+static TString BuiltInFunctionsCommon()
+{
+ TString s;
+
+ //
+ // Angle and Trigonometric Functions.
+ //
+ s.append(TString("float radians(float degrees);"));
+ s.append(TString("vec2 radians(vec2 degrees);"));
+ s.append(TString("vec3 radians(vec3 degrees);"));
+ s.append(TString("vec4 radians(vec4 degrees);"));
+
+ s.append(TString("float degrees(float radians);"));
+ s.append(TString("vec2 degrees(vec2 radians);"));
+ s.append(TString("vec3 degrees(vec3 radians);"));
+ s.append(TString("vec4 degrees(vec4 radians);"));
+
+ s.append(TString("float sin(float angle);"));
+ s.append(TString("vec2 sin(vec2 angle);"));
+ s.append(TString("vec3 sin(vec3 angle);"));
+ s.append(TString("vec4 sin(vec4 angle);"));
+
+ s.append(TString("float cos(float angle);"));
+ s.append(TString("vec2 cos(vec2 angle);"));
+ s.append(TString("vec3 cos(vec3 angle);"));
+ s.append(TString("vec4 cos(vec4 angle);"));
+
+ s.append(TString("float tan(float angle);"));
+ s.append(TString("vec2 tan(vec2 angle);"));
+ s.append(TString("vec3 tan(vec3 angle);"));
+ s.append(TString("vec4 tan(vec4 angle);"));
+
+ s.append(TString("float asin(float x);"));
+ s.append(TString("vec2 asin(vec2 x);"));
+ s.append(TString("vec3 asin(vec3 x);"));
+ s.append(TString("vec4 asin(vec4 x);"));
+
+ s.append(TString("float acos(float x);"));
+ s.append(TString("vec2 acos(vec2 x);"));
+ s.append(TString("vec3 acos(vec3 x);"));
+ s.append(TString("vec4 acos(vec4 x);"));
+
+ s.append(TString("float atan(float y, float x);"));
+ s.append(TString("vec2 atan(vec2 y, vec2 x);"));
+ s.append(TString("vec3 atan(vec3 y, vec3 x);"));
+ s.append(TString("vec4 atan(vec4 y, vec4 x);"));
+
+ s.append(TString("float atan(float y_over_x);"));
+ s.append(TString("vec2 atan(vec2 y_over_x);"));
+ s.append(TString("vec3 atan(vec3 y_over_x);"));
+ s.append(TString("vec4 atan(vec4 y_over_x);"));
+
+ //
+ // Exponential Functions.
+ //
+ s.append(TString("float pow(float x, float y);"));
+ s.append(TString("vec2 pow(vec2 x, vec2 y);"));
+ s.append(TString("vec3 pow(vec3 x, vec3 y);"));
+ s.append(TString("vec4 pow(vec4 x, vec4 y);"));
+
+ s.append(TString("float exp(float x);"));
+ s.append(TString("vec2 exp(vec2 x);"));
+ s.append(TString("vec3 exp(vec3 x);"));
+ s.append(TString("vec4 exp(vec4 x);"));
+
+ s.append(TString("float log(float x);"));
+ s.append(TString("vec2 log(vec2 x);"));
+ s.append(TString("vec3 log(vec3 x);"));
+ s.append(TString("vec4 log(vec4 x);"));
+
+ s.append(TString("float exp2(float x);"));
+ s.append(TString("vec2 exp2(vec2 x);"));
+ s.append(TString("vec3 exp2(vec3 x);"));
+ s.append(TString("vec4 exp2(vec4 x);"));
+
+ s.append(TString("float log2(float x);"));
+ s.append(TString("vec2 log2(vec2 x);"));
+ s.append(TString("vec3 log2(vec3 x);"));
+ s.append(TString("vec4 log2(vec4 x);"));
+
+ s.append(TString("float sqrt(float x);"));
+ s.append(TString("vec2 sqrt(vec2 x);"));
+ s.append(TString("vec3 sqrt(vec3 x);"));
+ s.append(TString("vec4 sqrt(vec4 x);"));
+
+ s.append(TString("float inversesqrt(float x);"));
+ s.append(TString("vec2 inversesqrt(vec2 x);"));
+ s.append(TString("vec3 inversesqrt(vec3 x);"));
+ s.append(TString("vec4 inversesqrt(vec4 x);"));
+
+ //
+ // Common Functions.
+ //
+ s.append(TString("float abs(float x);"));
+ s.append(TString("vec2 abs(vec2 x);"));
+ s.append(TString("vec3 abs(vec3 x);"));
+ s.append(TString("vec4 abs(vec4 x);"));
+
+ s.append(TString("float sign(float x);"));
+ s.append(TString("vec2 sign(vec2 x);"));
+ s.append(TString("vec3 sign(vec3 x);"));
+ s.append(TString("vec4 sign(vec4 x);"));
+
+ s.append(TString("float floor(float x);"));
+ s.append(TString("vec2 floor(vec2 x);"));
+ s.append(TString("vec3 floor(vec3 x);"));
+ s.append(TString("vec4 floor(vec4 x);"));
+
+ s.append(TString("float ceil(float x);"));
+ s.append(TString("vec2 ceil(vec2 x);"));
+ s.append(TString("vec3 ceil(vec3 x);"));
+ s.append(TString("vec4 ceil(vec4 x);"));
+
+ s.append(TString("float fract(float x);"));
+ s.append(TString("vec2 fract(vec2 x);"));
+ s.append(TString("vec3 fract(vec3 x);"));
+ s.append(TString("vec4 fract(vec4 x);"));
+
+ s.append(TString("float mod(float x, float y);"));
+ s.append(TString("vec2 mod(vec2 x, float y);"));
+ s.append(TString("vec3 mod(vec3 x, float y);"));
+ s.append(TString("vec4 mod(vec4 x, float y);"));
+ s.append(TString("vec2 mod(vec2 x, vec2 y);"));
+ s.append(TString("vec3 mod(vec3 x, vec3 y);"));
+ s.append(TString("vec4 mod(vec4 x, vec4 y);"));
+
+ s.append(TString("float min(float x, float y);"));
+ s.append(TString("vec2 min(vec2 x, float y);"));
+ s.append(TString("vec3 min(vec3 x, float y);"));
+ s.append(TString("vec4 min(vec4 x, float y);"));
+ s.append(TString("vec2 min(vec2 x, vec2 y);"));
+ s.append(TString("vec3 min(vec3 x, vec3 y);"));
+ s.append(TString("vec4 min(vec4 x, vec4 y);"));
+
+ s.append(TString("float max(float x, float y);"));
+ s.append(TString("vec2 max(vec2 x, float y);"));
+ s.append(TString("vec3 max(vec3 x, float y);"));
+ s.append(TString("vec4 max(vec4 x, float y);"));
+ s.append(TString("vec2 max(vec2 x, vec2 y);"));
+ s.append(TString("vec3 max(vec3 x, vec3 y);"));
+ s.append(TString("vec4 max(vec4 x, vec4 y);"));
+
+ s.append(TString("float clamp(float x, float minVal, float maxVal);"));
+ s.append(TString("vec2 clamp(vec2 x, float minVal, float maxVal);"));
+ s.append(TString("vec3 clamp(vec3 x, float minVal, float maxVal);"));
+ s.append(TString("vec4 clamp(vec4 x, float minVal, float maxVal);"));
+ s.append(TString("vec2 clamp(vec2 x, vec2 minVal, vec2 maxVal);"));
+ s.append(TString("vec3 clamp(vec3 x, vec3 minVal, vec3 maxVal);"));
+ s.append(TString("vec4 clamp(vec4 x, vec4 minVal, vec4 maxVal);"));
+
+ s.append(TString("float mix(float x, float y, float a);"));
+ s.append(TString("vec2 mix(vec2 x, vec2 y, float a);"));
+ s.append(TString("vec3 mix(vec3 x, vec3 y, float a);"));
+ s.append(TString("vec4 mix(vec4 x, vec4 y, float a);"));
+ s.append(TString("vec2 mix(vec2 x, vec2 y, vec2 a);"));
+ s.append(TString("vec3 mix(vec3 x, vec3 y, vec3 a);"));
+ s.append(TString("vec4 mix(vec4 x, vec4 y, vec4 a);"));
+
+ s.append(TString("float step(float edge, float x);"));
+ s.append(TString("vec2 step(vec2 edge, vec2 x);"));
+ s.append(TString("vec3 step(vec3 edge, vec3 x);"));
+ s.append(TString("vec4 step(vec4 edge, vec4 x);"));
+ s.append(TString("vec2 step(float edge, vec2 x);"));
+ s.append(TString("vec3 step(float edge, vec3 x);"));
+ s.append(TString("vec4 step(float edge, vec4 x);"));
+
+ s.append(TString("float smoothstep(float edge0, float edge1, float x);"));
+ s.append(TString("vec2 smoothstep(vec2 edge0, vec2 edge1, vec2 x);"));
+ s.append(TString("vec3 smoothstep(vec3 edge0, vec3 edge1, vec3 x);"));
+ s.append(TString("vec4 smoothstep(vec4 edge0, vec4 edge1, vec4 x);"));
+ s.append(TString("vec2 smoothstep(float edge0, float edge1, vec2 x);"));
+ s.append(TString("vec3 smoothstep(float edge0, float edge1, vec3 x);"));
+ s.append(TString("vec4 smoothstep(float edge0, float edge1, vec4 x);"));
+
+ //
+ // Geometric Functions.
+ //
+ s.append(TString("float length(float x);"));
+ s.append(TString("float length(vec2 x);"));
+ s.append(TString("float length(vec3 x);"));
+ s.append(TString("float length(vec4 x);"));
+
+ s.append(TString("float distance(float p0, float p1);"));
+ s.append(TString("float distance(vec2 p0, vec2 p1);"));
+ s.append(TString("float distance(vec3 p0, vec3 p1);"));
+ s.append(TString("float distance(vec4 p0, vec4 p1);"));
+
+ s.append(TString("float dot(float x, float y);"));
+ s.append(TString("float dot(vec2 x, vec2 y);"));
+ s.append(TString("float dot(vec3 x, vec3 y);"));
+ s.append(TString("float dot(vec4 x, vec4 y);"));
+
+ s.append(TString("vec3 cross(vec3 x, vec3 y);"));
+ s.append(TString("float normalize(float x);"));
+ s.append(TString("vec2 normalize(vec2 x);"));
+ s.append(TString("vec3 normalize(vec3 x);"));
+ s.append(TString("vec4 normalize(vec4 x);"));
+
+ s.append(TString("float faceforward(float N, float I, float Nref);"));
+ s.append(TString("vec2 faceforward(vec2 N, vec2 I, vec2 Nref);"));
+ s.append(TString("vec3 faceforward(vec3 N, vec3 I, vec3 Nref);"));
+ s.append(TString("vec4 faceforward(vec4 N, vec4 I, vec4 Nref);"));
+
+ s.append(TString("float reflect(float I, float N);"));
+ s.append(TString("vec2 reflect(vec2 I, vec2 N);"));
+ s.append(TString("vec3 reflect(vec3 I, vec3 N);"));
+ s.append(TString("vec4 reflect(vec4 I, vec4 N);"));
+
+ s.append(TString("float refract(float I, float N, float eta);"));
+ s.append(TString("vec2 refract(vec2 I, vec2 N, float eta);"));
+ s.append(TString("vec3 refract(vec3 I, vec3 N, float eta);"));
+ s.append(TString("vec4 refract(vec4 I, vec4 N, float eta);"));
+
+ //
+ // Matrix Functions.
+ //
+ s.append(TString("mat2 matrixCompMult(mat2 x, mat2 y);"));
+ s.append(TString("mat3 matrixCompMult(mat3 x, mat3 y);"));
+ s.append(TString("mat4 matrixCompMult(mat4 x, mat4 y);"));
+
+ //
+ // Vector relational functions.
+ //
+ s.append(TString("bvec2 lessThan(vec2 x, vec2 y);"));
+ s.append(TString("bvec3 lessThan(vec3 x, vec3 y);"));
+ s.append(TString("bvec4 lessThan(vec4 x, vec4 y);"));
+
+ s.append(TString("bvec2 lessThan(ivec2 x, ivec2 y);"));
+ s.append(TString("bvec3 lessThan(ivec3 x, ivec3 y);"));
+ s.append(TString("bvec4 lessThan(ivec4 x, ivec4 y);"));
+
+ s.append(TString("bvec2 lessThanEqual(vec2 x, vec2 y);"));
+ s.append(TString("bvec3 lessThanEqual(vec3 x, vec3 y);"));
+ s.append(TString("bvec4 lessThanEqual(vec4 x, vec4 y);"));
+
+ s.append(TString("bvec2 lessThanEqual(ivec2 x, ivec2 y);"));
+ s.append(TString("bvec3 lessThanEqual(ivec3 x, ivec3 y);"));
+ s.append(TString("bvec4 lessThanEqual(ivec4 x, ivec4 y);"));
+
+ s.append(TString("bvec2 greaterThan(vec2 x, vec2 y);"));
+ s.append(TString("bvec3 greaterThan(vec3 x, vec3 y);"));
+ s.append(TString("bvec4 greaterThan(vec4 x, vec4 y);"));
+
+ s.append(TString("bvec2 greaterThan(ivec2 x, ivec2 y);"));
+ s.append(TString("bvec3 greaterThan(ivec3 x, ivec3 y);"));
+ s.append(TString("bvec4 greaterThan(ivec4 x, ivec4 y);"));
+
+ s.append(TString("bvec2 greaterThanEqual(vec2 x, vec2 y);"));
+ s.append(TString("bvec3 greaterThanEqual(vec3 x, vec3 y);"));
+ s.append(TString("bvec4 greaterThanEqual(vec4 x, vec4 y);"));
+
+ s.append(TString("bvec2 greaterThanEqual(ivec2 x, ivec2 y);"));
+ s.append(TString("bvec3 greaterThanEqual(ivec3 x, ivec3 y);"));
+ s.append(TString("bvec4 greaterThanEqual(ivec4 x, ivec4 y);"));
+
+ s.append(TString("bvec2 equal(vec2 x, vec2 y);"));
+ s.append(TString("bvec3 equal(vec3 x, vec3 y);"));
+ s.append(TString("bvec4 equal(vec4 x, vec4 y);"));
+
+ s.append(TString("bvec2 equal(ivec2 x, ivec2 y);"));
+ s.append(TString("bvec3 equal(ivec3 x, ivec3 y);"));
+ s.append(TString("bvec4 equal(ivec4 x, ivec4 y);"));
+
+ s.append(TString("bvec2 equal(bvec2 x, bvec2 y);"));
+ s.append(TString("bvec3 equal(bvec3 x, bvec3 y);"));
+ s.append(TString("bvec4 equal(bvec4 x, bvec4 y);"));
+
+ s.append(TString("bvec2 notEqual(vec2 x, vec2 y);"));
+ s.append(TString("bvec3 notEqual(vec3 x, vec3 y);"));
+ s.append(TString("bvec4 notEqual(vec4 x, vec4 y);"));
+
+ s.append(TString("bvec2 notEqual(ivec2 x, ivec2 y);"));
+ s.append(TString("bvec3 notEqual(ivec3 x, ivec3 y);"));
+ s.append(TString("bvec4 notEqual(ivec4 x, ivec4 y);"));
+
+ s.append(TString("bvec2 notEqual(bvec2 x, bvec2 y);"));
+ s.append(TString("bvec3 notEqual(bvec3 x, bvec3 y);"));
+ s.append(TString("bvec4 notEqual(bvec4 x, bvec4 y);"));
+
+ s.append(TString("bool any(bvec2 x);"));
+ s.append(TString("bool any(bvec3 x);"));
+ s.append(TString("bool any(bvec4 x);"));
+
+ s.append(TString("bool all(bvec2 x);"));
+ s.append(TString("bool all(bvec3 x);"));
+ s.append(TString("bool all(bvec4 x);"));
+
+ s.append(TString("bvec2 not(bvec2 x);"));
+ s.append(TString("bvec3 not(bvec3 x);"));
+ s.append(TString("bvec4 not(bvec4 x);"));
+
+ //
+ // Texture Functions.
+ //
+ s.append(TString("vec4 texture2D(sampler2D sampler, vec2 coord);"));
+ s.append(TString("vec4 texture2DProj(sampler2D sampler, vec3 coord);"));
+ s.append(TString("vec4 texture2DProj(sampler2D sampler, vec4 coord);"));
+ s.append(TString("vec4 textureCube(samplerCube sampler, vec3 coord);"));
+
+ //
+ // Noise functions.
+ //
+ //s.append(TString("float noise1(float x);"));
+ //s.append(TString("float noise1(vec2 x);"));
+ //s.append(TString("float noise1(vec3 x);"));
+ //s.append(TString("float noise1(vec4 x);"));
+
+ //s.append(TString("vec2 noise2(float x);"));
+ //s.append(TString("vec2 noise2(vec2 x);"));
+ //s.append(TString("vec2 noise2(vec3 x);"));
+ //s.append(TString("vec2 noise2(vec4 x);"));
+
+ //s.append(TString("vec3 noise3(float x);"));
+ //s.append(TString("vec3 noise3(vec2 x);"));
+ //s.append(TString("vec3 noise3(vec3 x);"));
+ //s.append(TString("vec3 noise3(vec4 x);"));
+
+ //s.append(TString("vec4 noise4(float x);"));
+ //s.append(TString("vec4 noise4(vec2 x);"));
+ //s.append(TString("vec4 noise4(vec3 x);"));
+ //s.append(TString("vec4 noise4(vec4 x);"));
+
+ return s;
+}
+
+//============================================================================
+//
+// Prototypes for built-in functions seen by vertex shaders only.
+//
+//============================================================================
+static TString BuiltInFunctionsVertex(const ShBuiltInResources& resources)
+{
+ TString s;
+
+ //
+ // Geometric Functions.
+ //
+ //s.append(TString("vec4 ftransform();"));
+
+ //
+ // Texture Functions.
+ //
+ s.append(TString("vec4 texture2DLod(sampler2D sampler, vec2 coord, float lod);"));
+ s.append(TString("vec4 texture2DProjLod(sampler2D sampler, vec3 coord, float lod);"));
+ s.append(TString("vec4 texture2DProjLod(sampler2D sampler, vec4 coord, float lod);"));
+ s.append(TString("vec4 textureCubeLod(samplerCube sampler, vec3 coord, float lod);"));
+
+ return s;
+}
+
+//============================================================================
+//
+// Prototypes for built-in functions seen by fragment shaders only.
+//
+//============================================================================
+static TString BuiltInFunctionsFragment(const ShBuiltInResources& resources)
+{
+ TString s;
+
+ //
+ // Texture Functions.
+ //
+ s.append(TString("vec4 texture2D(sampler2D sampler, vec2 coord, float bias);"));
+ s.append(TString("vec4 texture2DProj(sampler2D sampler, vec3 coord, float bias);"));
+ s.append(TString("vec4 texture2DProj(sampler2D sampler, vec4 coord, float bias);"));
+ s.append(TString("vec4 textureCube(samplerCube sampler, vec3 coord, float bias);"));
+
+ if (resources.OES_standard_derivatives)
+ {
+ s.append(TString("float dFdx(float p);"));
+ s.append(TString("vec2 dFdx(vec2 p);"));
+ s.append(TString("vec3 dFdx(vec3 p);"));
+ s.append(TString("vec4 dFdx(vec4 p);"));
+
+ s.append(TString("float dFdy(float p);"));
+ s.append(TString("vec2 dFdy(vec2 p);"));
+ s.append(TString("vec3 dFdy(vec3 p);"));
+ s.append(TString("vec4 dFdy(vec4 p);"));
+
+ s.append(TString("float fwidth(float p);"));
+ s.append(TString("vec2 fwidth(vec2 p);"));
+ s.append(TString("vec3 fwidth(vec3 p);"));
+ s.append(TString("vec4 fwidth(vec4 p);"));
+ }
+
+ return s;
+}
+
+//============================================================================
+//
+// Standard uniforms.
+//
+//============================================================================
+static TString StandardUniforms()
+{
+ TString s;
+
+ //
+ // Depth range in window coordinates
+ //
+ s.append(TString("struct gl_DepthRangeParameters {"));
+ s.append(TString(" highp float near;")); // n
+ s.append(TString(" highp float far;")); // f
+ s.append(TString(" highp float diff;")); // f - n
+ s.append(TString("};"));
+ s.append(TString("uniform gl_DepthRangeParameters gl_DepthRange;"));
+
+ return s;
+}
+
+//============================================================================
+//
+// Default precision for vertex shaders.
+//
+//============================================================================
+static TString DefaultPrecisionVertex()
+{
+ TString s;
+
+ s.append(TString("precision highp int;"));
+ s.append(TString("precision highp float;"));
+
+ return s;
+}
+
+//============================================================================
+//
+// Default precision for fragment shaders.
+//
+//============================================================================
+static TString DefaultPrecisionFragment()
+{
+ TString s;
+
+ s.append(TString("precision mediump int;"));
+ // No default precision for float in fragment shaders
+
+ return s;
+}
+
+//============================================================================
+//
+// Implementation dependent built-in constants.
+//
+//============================================================================
+static TString BuiltInConstants(const ShBuiltInResources &resources)
+{
+ TStringStream s;
+
+ s << "const int gl_MaxVertexAttribs = " << resources.MaxVertexAttribs << ";";
+ s << "const int gl_MaxVertexUniformVectors = " << resources.MaxVertexUniformVectors << ";";
+
+ s << "const int gl_MaxVaryingVectors = " << resources.MaxVaryingVectors << ";";
+ s << "const int gl_MaxVertexTextureImageUnits = " << resources.MaxVertexTextureImageUnits << ";";
+ s << "const int gl_MaxCombinedTextureImageUnits = " << resources.MaxCombinedTextureImageUnits << ";";
+ s << "const int gl_MaxTextureImageUnits = " << resources.MaxTextureImageUnits << ";";
+ s << "const int gl_MaxFragmentUniformVectors = " << resources.MaxFragmentUniformVectors << ";";
+ s << "const int gl_MaxDrawBuffers = " << resources.MaxDrawBuffers << ";";
+
+ return s.str();
+}
+
+void TBuiltIns::initialize(ShShaderType type, ShShaderSpec spec,
+ const ShBuiltInResources& resources)
+{
+ switch (type) {
+ case SH_FRAGMENT_SHADER:
+ builtInStrings.push_back(DefaultPrecisionFragment());
+ builtInStrings.push_back(BuiltInFunctionsCommon());
+ builtInStrings.push_back(BuiltInFunctionsFragment(resources));
+ builtInStrings.push_back(StandardUniforms());
+ break;
+
+ case SH_VERTEX_SHADER:
+ builtInStrings.push_back(DefaultPrecisionVertex());
+ builtInStrings.push_back(BuiltInFunctionsCommon());
+ builtInStrings.push_back(BuiltInFunctionsVertex(resources));
+ builtInStrings.push_back(StandardUniforms());
+ break;
+
+ default: assert(false && "Language not supported");
+ }
+
+ builtInStrings.push_back(BuiltInConstants(resources));
+}
+
+void IdentifyBuiltIns(ShShaderType type, ShShaderSpec spec,
+ const ShBuiltInResources& resources,
+ TSymbolTable& symbolTable)
+{
+ //
+ // First, insert some special built-in variables that are not in
+ // the built-in header files.
+ //
+ switch(type) {
+ case SH_FRAGMENT_SHADER:
+ symbolTable.insert(*new TVariable(NewPoolTString("gl_FragCoord"), TType(EbtFloat, EbpMedium, EvqFragCoord, 4)));
+ symbolTable.insert(*new TVariable(NewPoolTString("gl_FrontFacing"), TType(EbtBool, EbpUndefined, EvqFrontFacing, 1)));
+ symbolTable.insert(*new TVariable(NewPoolTString("gl_FragColor"), TType(EbtFloat, EbpMedium, EvqFragColor, 4)));
+ symbolTable.insert(*new TVariable(NewPoolTString("gl_FragData[gl_MaxDrawBuffers]"), TType(EbtFloat, EbpMedium, EvqFragData, 4)));
+ symbolTable.insert(*new TVariable(NewPoolTString("gl_PointCoord"), TType(EbtFloat, EbpMedium, EvqPointCoord, 2)));
+ break;
+ case SH_VERTEX_SHADER:
+ symbolTable.insert(*new TVariable(NewPoolTString("gl_Position"), TType(EbtFloat, EbpHigh, EvqPosition, 4)));
+ symbolTable.insert(*new TVariable(NewPoolTString("gl_PointSize"), TType(EbtFloat, EbpMedium, EvqPointSize, 1)));
+ break;
+ default: assert(false && "Language not supported");
+ }
+
+ //
+ // Next, identify which built-ins from the already loaded headers have
+ // a mapping to an operator. Those that are not identified as such are
+ // expected to be resolved through a library of functions, versus as
+ // operations.
+ //
+ symbolTable.relateToOperator("not", EOpVectorLogicalNot);
+
+ symbolTable.relateToOperator("matrixCompMult", EOpMul);
+
+ symbolTable.relateToOperator("equal", EOpVectorEqual);
+ symbolTable.relateToOperator("notEqual", EOpVectorNotEqual);
+ symbolTable.relateToOperator("lessThan", EOpLessThan);
+ symbolTable.relateToOperator("greaterThan", EOpGreaterThan);
+ symbolTable.relateToOperator("lessThanEqual", EOpLessThanEqual);
+ symbolTable.relateToOperator("greaterThanEqual", EOpGreaterThanEqual);
+
+ symbolTable.relateToOperator("radians", EOpRadians);
+ symbolTable.relateToOperator("degrees", EOpDegrees);
+ symbolTable.relateToOperator("sin", EOpSin);
+ symbolTable.relateToOperator("cos", EOpCos);
+ symbolTable.relateToOperator("tan", EOpTan);
+ symbolTable.relateToOperator("asin", EOpAsin);
+ symbolTable.relateToOperator("acos", EOpAcos);
+ symbolTable.relateToOperator("atan", EOpAtan);
+
+ symbolTable.relateToOperator("pow", EOpPow);
+ symbolTable.relateToOperator("exp2", EOpExp2);
+ symbolTable.relateToOperator("log", EOpLog);
+ symbolTable.relateToOperator("exp", EOpExp);
+ symbolTable.relateToOperator("log2", EOpLog2);
+ symbolTable.relateToOperator("sqrt", EOpSqrt);
+ symbolTable.relateToOperator("inversesqrt", EOpInverseSqrt);
+
+ symbolTable.relateToOperator("abs", EOpAbs);
+ symbolTable.relateToOperator("sign", EOpSign);
+ symbolTable.relateToOperator("floor", EOpFloor);
+ symbolTable.relateToOperator("ceil", EOpCeil);
+ symbolTable.relateToOperator("fract", EOpFract);
+ symbolTable.relateToOperator("mod", EOpMod);
+ symbolTable.relateToOperator("min", EOpMin);
+ symbolTable.relateToOperator("max", EOpMax);
+ symbolTable.relateToOperator("clamp", EOpClamp);
+ symbolTable.relateToOperator("mix", EOpMix);
+ symbolTable.relateToOperator("step", EOpStep);
+ symbolTable.relateToOperator("smoothstep", EOpSmoothStep);
+
+ symbolTable.relateToOperator("length", EOpLength);
+ symbolTable.relateToOperator("distance", EOpDistance);
+ symbolTable.relateToOperator("dot", EOpDot);
+ symbolTable.relateToOperator("cross", EOpCross);
+ symbolTable.relateToOperator("normalize", EOpNormalize);
+ symbolTable.relateToOperator("faceforward", EOpFaceForward);
+ symbolTable.relateToOperator("reflect", EOpReflect);
+ symbolTable.relateToOperator("refract", EOpRefract);
+
+ symbolTable.relateToOperator("any", EOpAny);
+ symbolTable.relateToOperator("all", EOpAll);
+
+ // Map language-specific operators.
+ switch(type) {
+ case SH_VERTEX_SHADER:
+ break;
+ case SH_FRAGMENT_SHADER:
+ if (resources.OES_standard_derivatives) {
+ symbolTable.relateToOperator("dFdx", EOpDFdx);
+ symbolTable.relateToOperator("dFdy", EOpDFdy);
+ symbolTable.relateToOperator("fwidth", EOpFwidth);
+
+ symbolTable.relateToExtension("dFdx", "GL_OES_standard_derivatives");
+ symbolTable.relateToExtension("dFdy", "GL_OES_standard_derivatives");
+ symbolTable.relateToExtension("fwidth", "GL_OES_standard_derivatives");
+ }
+ break;
+ default: break;
+ }
+
+ // Finally add resource-specific variables.
+ switch(type)
+ {
+ case SH_FRAGMENT_SHADER:
+ {
+ // Set up gl_FragData. The array size.
+ TType fragData(EbtFloat, EbpMedium, EvqFragData, 4, false, true);
+ fragData.setArraySize(resources.MaxDrawBuffers);
+ symbolTable.insert(*new TVariable(NewPoolTString("gl_FragData"), fragData));
+ }
+ break;
+ default: break;
+ }
+}
+
+void InitExtensionBehavior(const ShBuiltInResources& resources,
+ TExtensionBehavior& extBehavior)
+{
+ if (resources.OES_standard_derivatives)
+ extBehavior["GL_OES_standard_derivatives"] = EBhUndefined;
+}
diff --git a/src/GLES2/compiler/Initialize.h b/src/GLES2/compiler/Initialize.h
new file mode 100644
index 0000000..8b0adc6
--- /dev/null
+++ b/src/GLES2/compiler/Initialize.h
@@ -0,0 +1,35 @@
+//
+// Copyright (c) 2002-2010 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+#ifndef _INITIALIZE_INCLUDED_
+#define _INITIALIZE_INCLUDED_
+
+#include "compiler/Common.h"
+#include "compiler/ShHandle.h"
+#include "compiler/SymbolTable.h"
+
+typedef TVector<TString> TBuiltInStrings;
+
+class TBuiltIns {
+public:
+ POOL_ALLOCATOR_NEW_DELETE(GlobalPoolAllocator)
+
+ void initialize(ShShaderType type, ShShaderSpec spec,
+ const ShBuiltInResources& resources);
+ const TBuiltInStrings& getBuiltInStrings() { return builtInStrings; }
+
+protected:
+ TBuiltInStrings builtInStrings;
+};
+
+void IdentifyBuiltIns(ShShaderType type, ShShaderSpec spec,
+ const ShBuiltInResources& resources,
+ TSymbolTable& symbolTable);
+
+void InitExtensionBehavior(const ShBuiltInResources& resources,
+ TExtensionBehavior& extensionBehavior);
+
+#endif // _INITIALIZE_INCLUDED_
diff --git a/src/GLES2/compiler/InitializeDll.cpp b/src/GLES2/compiler/InitializeDll.cpp
new file mode 100644
index 0000000..8763cfe
--- /dev/null
+++ b/src/GLES2/compiler/InitializeDll.cpp
@@ -0,0 +1,115 @@
+//
+// Copyright (c) 2002-2010 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+#include "compiler/InitializeDll.h"
+
+#include "compiler/InitializeGlobals.h"
+#include "compiler/InitializeParseContext.h"
+#include "compiler/osinclude.h"
+
+OS_TLSIndex ThreadInitializeIndex = OS_INVALID_TLS_INDEX;
+
+bool InitProcess()
+{
+ if (ThreadInitializeIndex != OS_INVALID_TLS_INDEX) {
+ //
+ // Function is re-entrant.
+ //
+ return true;
+ }
+
+ ThreadInitializeIndex = OS_AllocTLSIndex();
+
+ if (ThreadInitializeIndex == OS_INVALID_TLS_INDEX) {
+ assert(0 && "InitProcess(): Failed to allocate TLS area for init flag");
+ return false;
+ }
+
+
+ if (!InitializePoolIndex()) {
+ assert(0 && "InitProcess(): Failed to initalize global pool");
+ return false;
+ }
+
+ if (!InitializeParseContextIndex()) {
+ assert(0 && "InitProcess(): Failed to initalize parse context");
+ return false;
+ }
+
+ return InitThread();
+}
+
+bool DetachProcess()
+{
+ bool success = true;
+
+ if (ThreadInitializeIndex == OS_INVALID_TLS_INDEX)
+ return true;
+
+ success = DetachThread();
+
+ if (!FreeParseContextIndex())
+ success = false;
+
+ FreePoolIndex();
+
+ OS_FreeTLSIndex(ThreadInitializeIndex);
+ ThreadInitializeIndex = OS_INVALID_TLS_INDEX;
+
+ return success;
+}
+
+bool InitThread()
+{
+ //
+ // This function is re-entrant
+ //
+ if (ThreadInitializeIndex == OS_INVALID_TLS_INDEX) {
+ assert(0 && "InitThread(): Process hasn't been initalised.");
+ return false;
+ }
+
+ if (OS_GetTLSValue(ThreadInitializeIndex) != 0)
+ return true;
+
+ InitializeGlobalPools();
+
+ if (!InitializeGlobalParseContext())
+ return false;
+
+ if (!OS_SetTLSValue(ThreadInitializeIndex, (void *)1)) {
+ assert(0 && "InitThread(): Unable to set init flag.");
+ return false;
+ }
+
+ return true;
+}
+
+bool DetachThread()
+{
+ bool success = true;
+
+ if (ThreadInitializeIndex == OS_INVALID_TLS_INDEX)
+ return true;
+
+ //
+ // Function is re-entrant and this thread may not have been initalised.
+ //
+ if (OS_GetTLSValue(ThreadInitializeIndex) != 0) {
+ if (!OS_SetTLSValue(ThreadInitializeIndex, (void *)0)) {
+ assert(0 && "DetachThread(): Unable to clear init flag.");
+ success = false;
+ }
+
+ if (!FreeParseContext())
+ success = false;
+
+ FreeGlobalPools();
+ }
+
+ return success;
+}
+
diff --git a/src/GLES2/compiler/InitializeDll.h b/src/GLES2/compiler/InitializeDll.h
new file mode 100644
index 0000000..857238e
--- /dev/null
+++ b/src/GLES2/compiler/InitializeDll.h
@@ -0,0 +1,16 @@
+//
+// Copyright (c) 2002-2010 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+#ifndef __INITIALIZEDLL_H
+#define __INITIALIZEDLL_H
+
+bool InitProcess();
+bool DetachProcess();
+
+bool InitThread();
+bool DetachThread();
+
+#endif // __INITIALIZEDLL_H
+
diff --git a/src/GLES2/compiler/InitializeGlobals.h b/src/GLES2/compiler/InitializeGlobals.h
new file mode 100644
index 0000000..842a452
--- /dev/null
+++ b/src/GLES2/compiler/InitializeGlobals.h
@@ -0,0 +1,15 @@
+//
+// Copyright (c) 2002-2010 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+#ifndef __INITIALIZE_GLOBALS_INCLUDED_
+#define __INITIALIZE_GLOBALS_INCLUDED_
+
+void InitializeGlobalPools();
+void FreeGlobalPools();
+bool InitializePoolIndex();
+void FreePoolIndex();
+
+#endif // __INITIALIZE_GLOBALS_INCLUDED_
diff --git a/src/GLES2/compiler/InitializeParseContext.cpp b/src/GLES2/compiler/InitializeParseContext.cpp
new file mode 100644
index 0000000..1f40cf5
--- /dev/null
+++ b/src/GLES2/compiler/InitializeParseContext.cpp
@@ -0,0 +1,96 @@
+//
+// Copyright (c) 2012 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+#include "compiler/InitializeParseContext.h"
+
+#include "compiler/osinclude.h"
+
+OS_TLSIndex GlobalParseContextIndex = OS_INVALID_TLS_INDEX;
+
+bool InitializeParseContextIndex()
+{
+ if (GlobalParseContextIndex != OS_INVALID_TLS_INDEX) {
+ assert(0 && "InitializeParseContextIndex(): Parse Context already initalized");
+ return false;
+ }
+
+ //
+ // Allocate a TLS index.
+ //
+ GlobalParseContextIndex = OS_AllocTLSIndex();
+
+ if (GlobalParseContextIndex == OS_INVALID_TLS_INDEX) {
+ assert(0 && "InitializeParseContextIndex(): Parse Context already initalized");
+ return false;
+ }
+
+ return true;
+}
+
+bool FreeParseContextIndex()
+{
+ OS_TLSIndex tlsiIndex = GlobalParseContextIndex;
+
+ if (GlobalParseContextIndex == OS_INVALID_TLS_INDEX) {
+ assert(0 && "FreeParseContextIndex(): Parse Context index not initalized");
+ return false;
+ }
+
+ GlobalParseContextIndex = OS_INVALID_TLS_INDEX;
+
+ return OS_FreeTLSIndex(tlsiIndex);
+}
+
+bool InitializeGlobalParseContext()
+{
+ if (GlobalParseContextIndex == OS_INVALID_TLS_INDEX) {
+ assert(0 && "InitializeGlobalParseContext(): Parse Context index not initalized");
+ return false;
+ }
+
+ TThreadParseContext *lpParseContext = static_cast<TThreadParseContext *>(OS_GetTLSValue(GlobalParseContextIndex));
+ if (lpParseContext != 0) {
+ assert(0 && "InitializeParseContextIndex(): Parse Context already initalized");
+ return false;
+ }
+
+ TThreadParseContext *lpThreadData = new TThreadParseContext();
+ if (lpThreadData == 0) {
+ assert(0 && "InitializeGlobalParseContext(): Unable to create thread parse context");
+ return false;
+ }
+
+ lpThreadData->lpGlobalParseContext = 0;
+ OS_SetTLSValue(GlobalParseContextIndex, lpThreadData);
+
+ return true;
+}
+
+bool FreeParseContext()
+{
+ if (GlobalParseContextIndex == OS_INVALID_TLS_INDEX) {
+ assert(0 && "FreeParseContext(): Parse Context index not initalized");
+ return false;
+ }
+
+ TThreadParseContext *lpParseContext = static_cast<TThreadParseContext *>(OS_GetTLSValue(GlobalParseContextIndex));
+ if (lpParseContext)
+ delete lpParseContext;
+
+ return true;
+}
+
+TParseContextPointer& GetGlobalParseContext()
+{
+ //
+ // Minimal error checking for speed
+ //
+
+ TThreadParseContext *lpParseContext = static_cast<TThreadParseContext *>(OS_GetTLSValue(GlobalParseContextIndex));
+
+ return lpParseContext->lpGlobalParseContext;
+}
+
diff --git a/src/GLES2/compiler/InitializeParseContext.h b/src/GLES2/compiler/InitializeParseContext.h
new file mode 100644
index 0000000..354bfe1
--- /dev/null
+++ b/src/GLES2/compiler/InitializeParseContext.h
@@ -0,0 +1,26 @@
+//
+// Copyright (c) 2002-2012 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+#ifndef __INITIALIZE_PARSE_CONTEXT_INCLUDED_
+#define __INITIALIZE_PARSE_CONTEXT_INCLUDED_
+
+bool InitializeParseContextIndex();
+bool FreeParseContextIndex();
+
+bool InitializeGlobalParseContext();
+bool FreeParseContext();
+
+struct TParseContext;
+typedef TParseContext* TParseContextPointer;
+extern TParseContextPointer& GetGlobalParseContext();
+#define GlobalParseContext GetGlobalParseContext()
+
+typedef struct TThreadParseContextRec
+{
+ TParseContext *lpGlobalParseContext;
+} TThreadParseContext;
+
+#endif // __INITIALIZE_PARSE_CONTEXT_INCLUDED_
diff --git a/src/GLES2/compiler/IntermTraverse.cpp b/src/GLES2/compiler/IntermTraverse.cpp
new file mode 100644
index 0000000..a13877f
--- /dev/null
+++ b/src/GLES2/compiler/IntermTraverse.cpp
@@ -0,0 +1,293 @@
+//
+// Copyright (c) 2002-2010 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+#include "compiler/intermediate.h"
+
+//
+// Traverse the intermediate representation tree, and
+// call a node type specific function for each node.
+// Done recursively through the member function Traverse().
+// Node types can be skipped if their function to call is 0,
+// but their subtree will still be traversed.
+// Nodes with children can have their whole subtree skipped
+// if preVisit is turned on and the type specific function
+// returns false.
+//
+// preVisit, postVisit, and rightToLeft control what order
+// nodes are visited in.
+//
+
+//
+// Traversal functions for terminals are straighforward....
+//
+void TIntermSymbol::traverse(TIntermTraverser* it)
+{
+ it->visitSymbol(this);
+}
+
+void TIntermConstantUnion::traverse(TIntermTraverser* it)
+{
+ it->visitConstantUnion(this);
+}
+
+//
+// Traverse a binary node.
+//
+void TIntermBinary::traverse(TIntermTraverser* it)
+{
+ bool visit = true;
+
+ //
+ // visit the node before children if pre-visiting.
+ //
+ if(it->preVisit)
+ {
+ visit = it->visitBinary(PreVisit, this);
+ }
+
+ //
+ // Visit the children, in the right order.
+ //
+ if(visit)
+ {
+ it->incrementDepth();
+
+ if(it->rightToLeft)
+ {
+ if(right)
+ {
+ right->traverse(it);
+ }
+
+ if(it->inVisit)
+ {
+ visit = it->visitBinary(InVisit, this);
+ }
+
+ if(visit && left)
+ {
+ left->traverse(it);
+ }
+ }
+ else
+ {
+ if(left)
+ {
+ left->traverse(it);
+ }
+
+ if(it->inVisit)
+ {
+ visit = it->visitBinary(InVisit, this);
+ }
+
+ if(visit && right)
+ {
+ right->traverse(it);
+ }
+ }
+
+ it->decrementDepth();
+ }
+
+ //
+ // Visit the node after the children, if requested and the traversal
+ // hasn't been cancelled yet.
+ //
+ if(visit && it->postVisit)
+ {
+ it->visitBinary(PostVisit, this);
+ }
+}
+
+//
+// Traverse a unary node. Same comments in binary node apply here.
+//
+void TIntermUnary::traverse(TIntermTraverser* it)
+{
+ bool visit = true;
+
+ if (it->preVisit)
+ visit = it->visitUnary(PreVisit, this);
+
+ if (visit) {
+ it->incrementDepth();
+ operand->traverse(it);
+ it->decrementDepth();
+ }
+
+ if (visit && it->postVisit)
+ it->visitUnary(PostVisit, this);
+}
+
+//
+// Traverse an aggregate node. Same comments in binary node apply here.
+//
+void TIntermAggregate::traverse(TIntermTraverser* it)
+{
+ bool visit = true;
+
+ if(it->preVisit)
+ {
+ visit = it->visitAggregate(PreVisit, this);
+ }
+
+ if(visit)
+ {
+ it->incrementDepth();
+
+ if(it->rightToLeft)
+ {
+ for(TIntermSequence::reverse_iterator sit = sequence.rbegin(); sit != sequence.rend(); sit++)
+ {
+ (*sit)->traverse(it);
+
+ if(visit && it->inVisit)
+ {
+ if(*sit != sequence.front())
+ {
+ visit = it->visitAggregate(InVisit, this);
+ }
+ }
+ }
+ }
+ else
+ {
+ for(TIntermSequence::iterator sit = sequence.begin(); sit != sequence.end(); sit++)
+ {
+ (*sit)->traverse(it);
+
+ if(visit && it->inVisit)
+ {
+ if(*sit != sequence.back())
+ {
+ visit = it->visitAggregate(InVisit, this);
+ }
+ }
+ }
+ }
+
+ it->decrementDepth();
+ }
+
+ if(visit && it->postVisit)
+ {
+ it->visitAggregate(PostVisit, this);
+ }
+}
+
+//
+// Traverse a selection node. Same comments in binary node apply here.
+//
+void TIntermSelection::traverse(TIntermTraverser* it)
+{
+ bool visit = true;
+
+ if (it->preVisit)
+ visit = it->visitSelection(PreVisit, this);
+
+ if (visit) {
+ it->incrementDepth();
+ if (it->rightToLeft) {
+ if (falseBlock)
+ falseBlock->traverse(it);
+ if (trueBlock)
+ trueBlock->traverse(it);
+ condition->traverse(it);
+ } else {
+ condition->traverse(it);
+ if (trueBlock)
+ trueBlock->traverse(it);
+ if (falseBlock)
+ falseBlock->traverse(it);
+ }
+ it->decrementDepth();
+ }
+
+ if (visit && it->postVisit)
+ it->visitSelection(PostVisit, this);
+}
+
+//
+// Traverse a loop node. Same comments in binary node apply here.
+//
+void TIntermLoop::traverse(TIntermTraverser* it)
+{
+ bool visit = true;
+
+ if(it->preVisit)
+ {
+ visit = it->visitLoop(PreVisit, this);
+ }
+
+ if(visit)
+ {
+ it->incrementDepth();
+
+ if(it->rightToLeft)
+ {
+ if(expr)
+ {
+ expr->traverse(it);
+ }
+
+ if(body)
+ {
+ body->traverse(it);
+ }
+
+ if(cond)
+ {
+ cond->traverse(it);
+ }
+ }
+ else
+ {
+ if(cond)
+ {
+ cond->traverse(it);
+ }
+
+ if(body)
+ {
+ body->traverse(it);
+ }
+
+ if(expr)
+ {
+ expr->traverse(it);
+ }
+ }
+
+ it->decrementDepth();
+ }
+
+ if(visit && it->postVisit)
+ {
+ it->visitLoop(PostVisit, this);
+ }
+}
+
+//
+// Traverse a branch node. Same comments in binary node apply here.
+//
+void TIntermBranch::traverse(TIntermTraverser* it)
+{
+ bool visit = true;
+
+ if (it->preVisit)
+ visit = it->visitBranch(PreVisit, this);
+
+ if (visit && expression) {
+ it->incrementDepth();
+ expression->traverse(it);
+ it->decrementDepth();
+ }
+
+ if (visit && it->postVisit)
+ it->visitBranch(PostVisit, this);
+}
+
diff --git a/src/GLES2/compiler/Intermediate.cpp b/src/GLES2/compiler/Intermediate.cpp
new file mode 100644
index 0000000..5ef2789
--- /dev/null
+++ b/src/GLES2/compiler/Intermediate.cpp
@@ -0,0 +1,1452 @@
+//
+// Copyright (c) 2002-2012 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+//
+// Build the intermediate representation.
+//
+
+#include <float.h>
+#include <limits.h>
+#include <algorithm>
+
+#include "compiler/localintermediate.h"
+#include "compiler/QualifierAlive.h"
+#include "compiler/RemoveTree.h"
+
+bool CompareStructure(const TType& leftNodeType, ConstantUnion* rightUnionArray, ConstantUnion* leftUnionArray);
+
+static TPrecision GetHigherPrecision( TPrecision left, TPrecision right ){
+ return left > right ? left : right;
+}
+
+const char* getOperatorString(TOperator op) {
+ switch (op) {
+ case EOpInitialize: return "=";
+ case EOpAssign: return "=";
+ case EOpAddAssign: return "+=";
+ case EOpSubAssign: return "-=";
+ case EOpDivAssign: return "/=";
+
+ // Fall-through.
+ case EOpMulAssign:
+ case EOpVectorTimesMatrixAssign:
+ case EOpVectorTimesScalarAssign:
+ case EOpMatrixTimesScalarAssign:
+ case EOpMatrixTimesMatrixAssign: return "*=";
+
+ // Fall-through.
+ case EOpIndexDirect:
+ case EOpIndexIndirect: return "[]";
+
+ case EOpIndexDirectStruct: return ".";
+ case EOpVectorSwizzle: return ".";
+ case EOpAdd: return "+";
+ case EOpSub: return "-";
+ case EOpMul: return "*";
+ case EOpDiv: return "/";
+ case EOpMod: UNIMPLEMENTED(); break;
+ case EOpEqual: return "==";
+ case EOpNotEqual: return "!=";
+ case EOpLessThan: return "<";
+ case EOpGreaterThan: return ">";
+ case EOpLessThanEqual: return "<=";
+ case EOpGreaterThanEqual: return ">=";
+
+ // Fall-through.
+ case EOpVectorTimesScalar:
+ case EOpVectorTimesMatrix:
+ case EOpMatrixTimesVector:
+ case EOpMatrixTimesScalar:
+ case EOpMatrixTimesMatrix: return "*";
+
+ case EOpLogicalOr: return "||";
+ case EOpLogicalXor: return "^^";
+ case EOpLogicalAnd: return "&&";
+ case EOpNegative: return "-";
+ case EOpVectorLogicalNot: return "not";
+ case EOpLogicalNot: return "!";
+ case EOpPostIncrement: return "++";
+ case EOpPostDecrement: return "--";
+ case EOpPreIncrement: return "++";
+ case EOpPreDecrement: return "--";
+
+ // Fall-through.
+ case EOpConvIntToBool:
+ case EOpConvFloatToBool: return "bool";
+
+ // Fall-through.
+ case EOpConvBoolToFloat:
+ case EOpConvIntToFloat: return "float";
+
+ // Fall-through.
+ case EOpConvFloatToInt:
+ case EOpConvBoolToInt: return "int";
+
+ case EOpRadians: return "radians";
+ case EOpDegrees: return "degrees";
+ case EOpSin: return "sin";
+ case EOpCos: return "cos";
+ case EOpTan: return "tan";
+ case EOpAsin: return "asin";
+ case EOpAcos: return "acos";
+ case EOpAtan: return "atan";
+ case EOpExp: return "exp";
+ case EOpLog: return "log";
+ case EOpExp2: return "exp2";
+ case EOpLog2: return "log2";
+ case EOpSqrt: return "sqrt";
+ case EOpInverseSqrt: return "inversesqrt";
+ case EOpAbs: return "abs";
+ case EOpSign: return "sign";
+ case EOpFloor: return "floor";
+ case EOpCeil: return "ceil";
+ case EOpFract: return "fract";
+ case EOpLength: return "length";
+ case EOpNormalize: return "normalize";
+ case EOpDFdx: return "dFdx";
+ case EOpDFdy: return "dFdy";
+ case EOpFwidth: return "fwidth";
+ case EOpAny: return "any";
+ case EOpAll: return "all";
+
+ default: break;
+ }
+ return "";
+}
+
+////////////////////////////////////////////////////////////////////////////
+//
+// First set of functions are to help build the intermediate representation.
+// These functions are not member functions of the nodes.
+// They are called from parser productions.
+//
+/////////////////////////////////////////////////////////////////////////////
+
+//
+// Add a terminal node for an identifier in an expression.
+//
+// Returns the added node.
+//
+TIntermSymbol* TIntermediate::addSymbol(int id, const TString& name, const TType& type, TSourceLoc line)
+{
+ TIntermSymbol* node = new TIntermSymbol(id, name, type);
+ node->setLine(line);
+
+ return node;
+}
+
+//
+// Connect two nodes with a new parent that does a binary operation on the nodes.
+//
+// Returns the added node.
+//
+TIntermTyped* TIntermediate::addBinaryMath(TOperator op, TIntermTyped* left, TIntermTyped* right, TSourceLoc line, TSymbolTable& symbolTable)
+{
+ switch (op) {
+ case EOpEqual:
+ case EOpNotEqual:
+ if (left->isArray())
+ return 0;
+ break;
+ case EOpLessThan:
+ case EOpGreaterThan:
+ case EOpLessThanEqual:
+ case EOpGreaterThanEqual:
+ if (left->isMatrix() || left->isArray() || left->isVector() || left->getBasicType() == EbtStruct) {
+ return 0;
+ }
+ break;
+ case EOpLogicalOr:
+ case EOpLogicalXor:
+ case EOpLogicalAnd:
+ if (left->getBasicType() != EbtBool || left->isMatrix() || left->isArray() || left->isVector()) {
+ return 0;
+ }
+ break;
+ case EOpAdd:
+ case EOpSub:
+ case EOpDiv:
+ case EOpMul:
+ if (left->getBasicType() == EbtStruct || left->getBasicType() == EbtBool)
+ return 0;
+ default: break;
+ }
+
+ //
+ // First try converting the children to compatible types.
+ //
+ if (left->getType().getStruct() && right->getType().getStruct()) {
+ if (left->getType() != right->getType())
+ return 0;
+ } else {
+ TIntermTyped* child = addConversion(op, left->getType(), right);
+ if (child)
+ right = child;
+ else {
+ child = addConversion(op, right->getType(), left);
+ if (child)
+ left = child;
+ else
+ return 0;
+ }
+ }
+
+ //
+ // Need a new node holding things together then. Make
+ // one and promote it to the right type.
+ //
+ TIntermBinary* node = new TIntermBinary(op);
+ if (line == 0)
+ line = right->getLine();
+ node->setLine(line);
+
+ node->setLeft(left);
+ node->setRight(right);
+ if (!node->promote(infoSink))
+ return 0;
+
+ //
+ // See if we can fold constants.
+ //
+ TIntermTyped* typedReturnNode = 0;
+ TIntermConstantUnion *leftTempConstant = left->getAsConstantUnion();
+ TIntermConstantUnion *rightTempConstant = right->getAsConstantUnion();
+ if (leftTempConstant && rightTempConstant) {
+ typedReturnNode = leftTempConstant->fold(node->getOp(), rightTempConstant, infoSink);
+
+ if (typedReturnNode)
+ return typedReturnNode;
+ }
+
+ return node;
+}
+
+//
+// Connect two nodes through an assignment.
+//
+// Returns the added node.
+//
+TIntermTyped* TIntermediate::addAssign(TOperator op, TIntermTyped* left, TIntermTyped* right, TSourceLoc line)
+{
+ //
+ // Like adding binary math, except the conversion can only go
+ // from right to left.
+ //
+ TIntermBinary* node = new TIntermBinary(op);
+ if (line == 0)
+ line = left->getLine();
+ node->setLine(line);
+
+ TIntermTyped* child = addConversion(op, left->getType(), right);
+ if (child == 0)
+ return 0;
+
+ node->setLeft(left);
+ node->setRight(child);
+ if (! node->promote(infoSink))
+ return 0;
+
+ return node;
+}
+
+//
+// Connect two nodes through an index operator, where the left node is the base
+// of an array or struct, and the right node is a direct or indirect offset.
+//
+// Returns the added node.
+// The caller should set the type of the returned node.
+//
+TIntermTyped* TIntermediate::addIndex(TOperator op, TIntermTyped* base, TIntermTyped* index, TSourceLoc line)
+{
+ TIntermBinary* node = new TIntermBinary(op);
+ if (line == 0)
+ line = index->getLine();
+ node->setLine(line);
+ node->setLeft(base);
+ node->setRight(index);
+
+ // caller should set the type
+
+ return node;
+}
+
+//
+// Add one node as the parent of another that it operates on.
+//
+// Returns the added node.
+//
+TIntermTyped* TIntermediate::addUnaryMath(TOperator op, TIntermNode* childNode, TSourceLoc line, TSymbolTable& symbolTable)
+{
+ TIntermUnary* node;
+ TIntermTyped* child = childNode->getAsTyped();
+
+ if (child == 0) {
+ infoSink.info.message(EPrefixInternalError, "Bad type in AddUnaryMath", line);
+ return 0;
+ }
+
+ switch (op) {
+ case EOpLogicalNot:
+ if (child->getType().getBasicType() != EbtBool || child->getType().isMatrix() || child->getType().isArray() || child->getType().isVector()) {
+ return 0;
+ }
+ break;
+
+ case EOpPostIncrement:
+ case EOpPreIncrement:
+ case EOpPostDecrement:
+ case EOpPreDecrement:
+ case EOpNegative:
+ if (child->getType().getBasicType() == EbtStruct || child->getType().isArray())
+ return 0;
+ default: break;
+ }
+
+ //
+ // Do we need to promote the operand?
+ //
+ // Note: Implicit promotions were removed from the language.
+ //
+ TBasicType newType = EbtVoid;
+ switch (op) {
+ case EOpConstructInt: newType = EbtInt; break;
+ case EOpConstructBool: newType = EbtBool; break;
+ case EOpConstructFloat: newType = EbtFloat; break;
+ default: break;
+ }
+
+ if (newType != EbtVoid) {
+ child = addConversion(op, TType(newType, child->getPrecision(), EvqTemporary,
+ child->getNominalSize(),
+ child->isMatrix(),
+ child->isArray()),
+ child);
+ if (child == 0)
+ return 0;
+ }
+
+ //
+ // For constructors, we are now done, it's all in the conversion.
+ //
+ switch (op) {
+ case EOpConstructInt:
+ case EOpConstructBool:
+ case EOpConstructFloat:
+ return child;
+ default: break;
+ }
+
+ TIntermConstantUnion *childTempConstant = 0;
+ if (child->getAsConstantUnion())
+ childTempConstant = child->getAsConstantUnion();
+
+ //
+ // Make a new node for the operator.
+ //
+ node = new TIntermUnary(op);
+ if (line == 0)
+ line = child->getLine();
+ node->setLine(line);
+ node->setOperand(child);
+
+ if (! node->promote(infoSink))
+ return 0;
+
+ if (childTempConstant) {
+ TIntermTyped* newChild = childTempConstant->fold(op, 0, infoSink);
+
+ if (newChild)
+ return newChild;
+ }
+
+ return node;
+}
+
+//
+// This is the safe way to change the operator on an aggregate, as it
+// does lots of error checking and fixing. Especially for establishing
+// a function call's operation on it's set of parameters. Sequences
+// of instructions are also aggregates, but they just direnctly set
+// their operator to EOpSequence.
+//
+// Returns an aggregate node, which could be the one passed in if
+// it was already an aggregate but no operator was set.
+//
+TIntermAggregate* TIntermediate::setAggregateOperator(TIntermNode* node, TOperator op, TSourceLoc line)
+{
+ TIntermAggregate* aggNode;
+
+ //
+ // Make sure we have an aggregate. If not turn it into one.
+ //
+ if (node) {
+ aggNode = node->getAsAggregate();
+ if (aggNode == 0 || aggNode->getOp() != EOpNull) {
+ //
+ // Make an aggregate containing this node.
+ //
+ aggNode = new TIntermAggregate();
+ aggNode->getSequence().push_back(node);
+ if (line == 0)
+ line = node->getLine();
+ }
+ } else
+ aggNode = new TIntermAggregate();
+
+ //
+ // Set the operator.
+ //
+ aggNode->setOp(op);
+ if (line != 0)
+ aggNode->setLine(line);
+
+ return aggNode;
+}
+
+//
+// Convert one type to another.
+//
+// Returns the node representing the conversion, which could be the same
+// node passed in if no conversion was needed.
+//
+// Return 0 if a conversion can't be done.
+//
+TIntermTyped* TIntermediate::addConversion(TOperator op, const TType& type, TIntermTyped* node)
+{
+ //
+ // Does the base type allow operation?
+ //
+ switch (node->getBasicType()) {
+ case EbtVoid:
+ case EbtSampler2D:
+ case EbtSamplerCube:
+ return 0;
+ default: break;
+ }
+
+ //
+ // Otherwise, if types are identical, no problem
+ //
+ if (type == node->getType())
+ return node;
+
+ //
+ // If one's a structure, then no conversions.
+ //
+ if (type.getStruct() || node->getType().getStruct())
+ return 0;
+
+ //
+ // If one's an array, then no conversions.
+ //
+ if (type.isArray() || node->getType().isArray())
+ return 0;
+
+ TBasicType promoteTo;
+
+ switch (op) {
+ //
+ // Explicit conversions
+ //
+ case EOpConstructBool:
+ promoteTo = EbtBool;
+ break;
+ case EOpConstructFloat:
+ promoteTo = EbtFloat;
+ break;
+ case EOpConstructInt:
+ promoteTo = EbtInt;
+ break;
+ default:
+ //
+ // implicit conversions were removed from the language.
+ //
+ if (type.getBasicType() != node->getType().getBasicType())
+ return 0;
+ //
+ // Size and structure could still differ, but that's
+ // handled by operator promotion.
+ //
+ return node;
+ }
+
+ if (node->getAsConstantUnion()) {
+
+ return (promoteConstantUnion(promoteTo, node->getAsConstantUnion()));
+ } else {
+
+ //
+ // Add a new newNode for the conversion.
+ //
+ TIntermUnary* newNode = 0;
+
+ TOperator newOp = EOpNull;
+ switch (promoteTo) {
+ case EbtFloat:
+ switch (node->getBasicType()) {
+ case EbtInt: newOp = EOpConvIntToFloat; break;
+ case EbtBool: newOp = EOpConvBoolToFloat; break;
+ default:
+ infoSink.info.message(EPrefixInternalError, "Bad promotion node", node->getLine());
+ return 0;
+ }
+ break;
+ case EbtBool:
+ switch (node->getBasicType()) {
+ case EbtInt: newOp = EOpConvIntToBool; break;
+ case EbtFloat: newOp = EOpConvFloatToBool; break;
+ default:
+ infoSink.info.message(EPrefixInternalError, "Bad promotion node", node->getLine());
+ return 0;
+ }
+ break;
+ case EbtInt:
+ switch (node->getBasicType()) {
+ case EbtBool: newOp = EOpConvBoolToInt; break;
+ case EbtFloat: newOp = EOpConvFloatToInt; break;
+ default:
+ infoSink.info.message(EPrefixInternalError, "Bad promotion node", node->getLine());
+ return 0;
+ }
+ break;
+ default:
+ infoSink.info.message(EPrefixInternalError, "Bad promotion type", node->getLine());
+ return 0;
+ }
+
+ TType type(promoteTo, node->getPrecision(), EvqTemporary, node->getNominalSize(), node->isMatrix(), node->isArray());
+ newNode = new TIntermUnary(newOp, type);
+ newNode->setLine(node->getLine());
+ newNode->setOperand(node);
+
+ return newNode;
+ }
+}
+
+//
+// Safe way to combine two nodes into an aggregate. Works with null pointers,
+// a node that's not a aggregate yet, etc.
+//
+// Returns the resulting aggregate, unless 0 was passed in for
+// both existing nodes.
+//
+TIntermAggregate* TIntermediate::growAggregate(TIntermNode* left, TIntermNode* right, TSourceLoc line)
+{
+ if (left == 0 && right == 0)
+ return 0;
+
+ TIntermAggregate* aggNode = 0;
+ if (left)
+ aggNode = left->getAsAggregate();
+ if (!aggNode || aggNode->getOp() != EOpNull) {
+ aggNode = new TIntermAggregate;
+ if (left)
+ aggNode->getSequence().push_back(left);
+ }
+
+ if (right)
+ aggNode->getSequence().push_back(right);
+
+ if (line != 0)
+ aggNode->setLine(line);
+
+ return aggNode;
+}
+
+//
+// Turn an existing node into an aggregate.
+//
+// Returns an aggregate, unless 0 was passed in for the existing node.
+//
+TIntermAggregate* TIntermediate::makeAggregate(TIntermNode* node, TSourceLoc line)
+{
+ if (node == 0)
+ return 0;
+
+ TIntermAggregate* aggNode = new TIntermAggregate;
+ aggNode->getSequence().push_back(node);
+
+ if (line != 0)
+ aggNode->setLine(line);
+ else
+ aggNode->setLine(node->getLine());
+
+ return aggNode;
+}
+
+//
+// For "if" test nodes. There are three children; a condition,
+// a true path, and a false path. The two paths are in the
+// nodePair.
+//
+// Returns the selection node created.
+//
+TIntermNode* TIntermediate::addSelection(TIntermTyped* cond, TIntermNodePair nodePair, TSourceLoc line)
+{
+ //
+ // For compile time constant selections, prune the code and
+ // test now.
+ //
+
+ if (cond->getAsTyped() && cond->getAsTyped()->getAsConstantUnion()) {
+ if (cond->getAsTyped()->getAsConstantUnion()->getUnionArrayPointer()->getBConst() == true)
+ return nodePair.node1 ? setAggregateOperator(nodePair.node1, EOpSequence, nodePair.node1->getLine()) : NULL;
+ else
+ return nodePair.node2 ? setAggregateOperator(nodePair.node2, EOpSequence, nodePair.node2->getLine()) : NULL;
+ }
+
+ TIntermSelection* node = new TIntermSelection(cond, nodePair.node1, nodePair.node2);
+ node->setLine(line);
+
+ return node;
+}
+
+
+TIntermTyped* TIntermediate::addComma(TIntermTyped* left, TIntermTyped* right, TSourceLoc line)
+{
+ if (left->getType().getQualifier() == EvqConst && right->getType().getQualifier() == EvqConst) {
+ return right;
+ } else {
+ TIntermTyped *commaAggregate = growAggregate(left, right, line);
+ commaAggregate->getAsAggregate()->setOp(EOpComma);
+ commaAggregate->setType(right->getType());
+ commaAggregate->getTypePointer()->setQualifier(EvqTemporary);
+ return commaAggregate;
+ }
+}
+
+//
+// For "?:" test nodes. There are three children; a condition,
+// a true path, and a false path. The two paths are specified
+// as separate parameters.
+//
+// Returns the selection node created, or 0 if one could not be.
+//
+TIntermTyped* TIntermediate::addSelection(TIntermTyped* cond, TIntermTyped* trueBlock, TIntermTyped* falseBlock, TSourceLoc line)
+{
+ //
+ // Get compatible types.
+ //
+ TIntermTyped* child = addConversion(EOpSequence, trueBlock->getType(), falseBlock);
+ if (child)
+ falseBlock = child;
+ else {
+ child = addConversion(EOpSequence, falseBlock->getType(), trueBlock);
+ if (child)
+ trueBlock = child;
+ else
+ return 0;
+ }
+
+ //
+ // See if all the operands are constant, then fold it otherwise not.
+ //
+
+ if (cond->getAsConstantUnion() && trueBlock->getAsConstantUnion() && falseBlock->getAsConstantUnion()) {
+ if (cond->getAsConstantUnion()->getUnionArrayPointer()->getBConst())
+ return trueBlock;
+ else
+ return falseBlock;
+ }
+
+ //
+ // Make a selection node.
+ //
+ TIntermSelection* node = new TIntermSelection(cond, trueBlock, falseBlock, trueBlock->getType());
+ node->getTypePointer()->setQualifier(EvqTemporary);
+ node->setLine(line);
+
+ return node;
+}
+
+//
+// Constant terminal nodes. Has a union that contains bool, float or int constants
+//
+// Returns the constant union node created.
+//
+
+TIntermConstantUnion* TIntermediate::addConstantUnion(ConstantUnion* unionArrayPointer, const TType& t, TSourceLoc line)
+{
+ TIntermConstantUnion* node = new TIntermConstantUnion(unionArrayPointer, t);
+ node->setLine(line);
+
+ return node;
+}
+
+TIntermTyped* TIntermediate::addSwizzle(TVectorFields& fields, TSourceLoc line)
+{
+
+ TIntermAggregate* node = new TIntermAggregate(EOpSequence);
+
+ node->setLine(line);
+ TIntermConstantUnion* constIntNode;
+ TIntermSequence &sequenceVector = node->getSequence();
+ ConstantUnion* unionArray;
+
+ for (int i = 0; i < fields.num; i++) {
+ unionArray = new ConstantUnion[1];
+ unionArray->setIConst(fields.offsets[i]);
+ constIntNode = addConstantUnion(unionArray, TType(EbtInt, EbpUndefined, EvqConst), line);
+ sequenceVector.push_back(constIntNode);
+ }
+
+ return node;
+}
+
+//
+// Create loop nodes.
+//
+TIntermNode* TIntermediate::addLoop(TLoopType type, TIntermNode* init, TIntermTyped* cond, TIntermTyped* expr, TIntermNode* body, TSourceLoc line)
+{
+ TIntermNode* node = new TIntermLoop(type, init, cond, expr, body);
+ node->setLine(line);
+
+ return node;
+}
+
+//
+// Add branches.
+//
+TIntermBranch* TIntermediate::addBranch(TOperator branchOp, TSourceLoc line)
+{
+ return addBranch(branchOp, 0, line);
+}
+
+TIntermBranch* TIntermediate::addBranch(TOperator branchOp, TIntermTyped* expression, TSourceLoc line)
+{
+ TIntermBranch* node = new TIntermBranch(branchOp, expression);
+ node->setLine(line);
+
+ return node;
+}
+
+//
+// This is to be executed once the final root is put on top by the parsing
+// process.
+//
+bool TIntermediate::postProcess(TIntermNode* root)
+{
+ if (root == 0)
+ return true;
+
+ //
+ // First, finish off the top level sequence, if any
+ //
+ TIntermAggregate* aggRoot = root->getAsAggregate();
+ if (aggRoot && aggRoot->getOp() == EOpNull)
+ aggRoot->setOp(EOpSequence);
+
+ return true;
+}
+
+//
+// This deletes the tree.
+//
+void TIntermediate::remove(TIntermNode* root)
+{
+ if (root)
+ RemoveAllTreeNodes(root);
+}
+
+////////////////////////////////////////////////////////////////
+//
+// Member functions of the nodes used for building the tree.
+//
+////////////////////////////////////////////////////////////////
+
+//
+// Say whether or not an operation node changes the value of a variable.
+//
+// Returns true if state is modified.
+//
+bool TIntermOperator::modifiesState() const
+{
+ switch (op) {
+ case EOpPostIncrement:
+ case EOpPostDecrement:
+ case EOpPreIncrement:
+ case EOpPreDecrement:
+ case EOpAssign:
+ case EOpAddAssign:
+ case EOpSubAssign:
+ case EOpMulAssign:
+ case EOpVectorTimesMatrixAssign:
+ case EOpVectorTimesScalarAssign:
+ case EOpMatrixTimesScalarAssign:
+ case EOpMatrixTimesMatrixAssign:
+ case EOpDivAssign:
+ return true;
+ default:
+ return false;
+ }
+}
+
+//
+// returns true if the operator is for one of the constructors
+//
+bool TIntermOperator::isConstructor() const
+{
+ switch (op) {
+ case EOpConstructVec2:
+ case EOpConstructVec3:
+ case EOpConstructVec4:
+ case EOpConstructMat2:
+ case EOpConstructMat3:
+ case EOpConstructMat4:
+ case EOpConstructFloat:
+ case EOpConstructIVec2:
+ case EOpConstructIVec3:
+ case EOpConstructIVec4:
+ case EOpConstructInt:
+ case EOpConstructBVec2:
+ case EOpConstructBVec3:
+ case EOpConstructBVec4:
+ case EOpConstructBool:
+ case EOpConstructStruct:
+ return true;
+ default:
+ return false;
+ }
+}
+//
+// Make sure the type of a unary operator is appropriate for its
+// combination of operation and operand type.
+//
+// Returns false in nothing makes sense.
+//
+bool TIntermUnary::promote(TInfoSink&)
+{
+ switch (op) {
+ case EOpLogicalNot:
+ if (operand->getBasicType() != EbtBool)
+ return false;
+ break;
+ case EOpNegative:
+ case EOpPostIncrement:
+ case EOpPostDecrement:
+ case EOpPreIncrement:
+ case EOpPreDecrement:
+ if (operand->getBasicType() == EbtBool)
+ return false;
+ break;
+
+ // operators for built-ins are already type checked against their prototype
+ case EOpAny:
+ case EOpAll:
+ case EOpVectorLogicalNot:
+ return true;
+
+ default:
+ if (operand->getBasicType() != EbtFloat)
+ return false;
+ }
+
+ setType(operand->getType());
+
+ // Unary operations results in temporary variables unless const.
+ if (operand->getQualifier() != EvqConst) {
+ getTypePointer()->setQualifier(EvqTemporary);
+ }
+
+ return true;
+}
+
+//
+// Establishes the type of the resultant operation, as well as
+// makes the operator the correct one for the operands.
+//
+// Returns false if operator can't work on operands.
+//
+bool TIntermBinary::promote(TInfoSink& infoSink)
+{
+ // This function only handles scalars, vectors, and matrices.
+ if (left->isArray() || right->isArray()) {
+ infoSink.info.message(EPrefixInternalError, "Invalid operation for arrays", getLine());
+ return false;
+ }
+
+ // GLSL ES 2.0 does not support implicit type casting.
+ // So the basic type should always match.
+ if (left->getBasicType() != right->getBasicType())
+ return false;
+
+ //
+ // Base assumption: just make the type the same as the left
+ // operand. Then only deviations from this need be coded.
+ //
+ setType(left->getType());
+
+ // The result gets promoted to the highest precision.
+ TPrecision higherPrecision = GetHigherPrecision(left->getPrecision(), right->getPrecision());
+ getTypePointer()->setPrecision(higherPrecision);
+
+ // Binary operations results in temporary variables unless both
+ // operands are const.
+ if (left->getQualifier() != EvqConst || right->getQualifier() != EvqConst) {
+ getTypePointer()->setQualifier(EvqTemporary);
+ }
+
+ int size = std::max(left->getNominalSize(), right->getNominalSize());
+
+ //
+ // All scalars. Code after this test assumes this case is removed!
+ //
+ if (size == 1) {
+ switch (op) {
+ //
+ // Promote to conditional
+ //
+ case EOpEqual:
+ case EOpNotEqual:
+ case EOpLessThan:
+ case EOpGreaterThan:
+ case EOpLessThanEqual:
+ case EOpGreaterThanEqual:
+ setType(TType(EbtBool, EbpUndefined));
+ break;
+
+ //
+ // And and Or operate on conditionals
+ //
+ case EOpLogicalAnd:
+ case EOpLogicalOr:
+ // Both operands must be of type bool.
+ if (left->getBasicType() != EbtBool || right->getBasicType() != EbtBool)
+ return false;
+ setType(TType(EbtBool, EbpUndefined));
+ break;
+
+ default:
+ break;
+ }
+ return true;
+ }
+
+ // If we reach here, at least one of the operands is vector or matrix.
+ // The other operand could be a scalar, vector, or matrix.
+ // Are the sizes compatible?
+ //
+ if (left->getNominalSize() != right->getNominalSize()) {
+ // If the nominal size of operands do not match:
+ // One of them must be scalar.
+ if (left->getNominalSize() != 1 && right->getNominalSize() != 1)
+ return false;
+ // Operator cannot be of type pure assignment.
+ if (op == EOpAssign || op == EOpInitialize)
+ return false;
+ }
+
+ //
+ // Can these two operands be combined?
+ //
+ TBasicType basicType = left->getBasicType();
+ switch (op) {
+ case EOpMul:
+ if (!left->isMatrix() && right->isMatrix()) {
+ if (left->isVector())
+ op = EOpVectorTimesMatrix;
+ else {
+ op = EOpMatrixTimesScalar;
+ setType(TType(basicType, higherPrecision, EvqTemporary, size, true));
+ }
+ } else if (left->isMatrix() && !right->isMatrix()) {
+ if (right->isVector()) {
+ op = EOpMatrixTimesVector;
+ setType(TType(basicType, higherPrecision, EvqTemporary, size, false));
+ } else {
+ op = EOpMatrixTimesScalar;
+ }
+ } else if (left->isMatrix() && right->isMatrix()) {
+ op = EOpMatrixTimesMatrix;
+ } else if (!left->isMatrix() && !right->isMatrix()) {
+ if (left->isVector() && right->isVector()) {
+ // leave as component product
+ } else if (left->isVector() || right->isVector()) {
+ op = EOpVectorTimesScalar;
+ setType(TType(basicType, higherPrecision, EvqTemporary, size, false));
+ }
+ } else {
+ infoSink.info.message(EPrefixInternalError, "Missing elses", getLine());
+ return false;
+ }
+ break;
+ case EOpMulAssign:
+ if (!left->isMatrix() && right->isMatrix()) {
+ if (left->isVector())
+ op = EOpVectorTimesMatrixAssign;
+ else {
+ return false;
+ }
+ } else if (left->isMatrix() && !right->isMatrix()) {
+ if (right->isVector()) {
+ return false;
+ } else {
+ op = EOpMatrixTimesScalarAssign;
+ }
+ } else if (left->isMatrix() && right->isMatrix()) {
+ op = EOpMatrixTimesMatrixAssign;
+ } else if (!left->isMatrix() && !right->isMatrix()) {
+ if (left->isVector() && right->isVector()) {
+ // leave as component product
+ } else if (left->isVector() || right->isVector()) {
+ if (! left->isVector())
+ return false;
+ op = EOpVectorTimesScalarAssign;
+ setType(TType(basicType, higherPrecision, EvqTemporary, size, false));
+ }
+ } else {
+ infoSink.info.message(EPrefixInternalError, "Missing elses", getLine());
+ return false;
+ }
+ break;
+
+ case EOpAssign:
+ case EOpInitialize:
+ case EOpAdd:
+ case EOpSub:
+ case EOpDiv:
+ case EOpAddAssign:
+ case EOpSubAssign:
+ case EOpDivAssign:
+ if ((left->isMatrix() && right->isVector()) ||
+ (left->isVector() && right->isMatrix()))
+ return false;
+ setType(TType(basicType, higherPrecision, EvqTemporary, size, left->isMatrix() || right->isMatrix()));
+ break;
+
+ case EOpEqual:
+ case EOpNotEqual:
+ case EOpLessThan:
+ case EOpGreaterThan:
+ case EOpLessThanEqual:
+ case EOpGreaterThanEqual:
+ if ((left->isMatrix() && right->isVector()) ||
+ (left->isVector() && right->isMatrix()))
+ return false;
+ setType(TType(EbtBool, EbpUndefined));
+ break;
+
+ default:
+ return false;
+ }
+
+ return true;
+}
+
+bool CompareStruct(const TType& leftNodeType, ConstantUnion* rightUnionArray, ConstantUnion* leftUnionArray)
+{
+ const TTypeList* fields = leftNodeType.getStruct();
+
+ size_t structSize = fields->size();
+ int index = 0;
+
+ for (size_t j = 0; j < structSize; j++) {
+ int size = (*fields)[j].type->getObjectSize();
+ for (int i = 0; i < size; i++) {
+ if ((*fields)[j].type->getBasicType() == EbtStruct) {
+ if (!CompareStructure(*(*fields)[j].type, &rightUnionArray[index], &leftUnionArray[index]))
+ return false;
+ } else {
+ if (leftUnionArray[index] != rightUnionArray[index])
+ return false;
+ index++;
+ }
+
+ }
+ }
+ return true;
+}
+
+bool CompareStructure(const TType& leftNodeType, ConstantUnion* rightUnionArray, ConstantUnion* leftUnionArray)
+{
+ if (leftNodeType.isArray()) {
+ TType typeWithoutArrayness = leftNodeType;
+ typeWithoutArrayness.clearArrayness();
+
+ int arraySize = leftNodeType.getArraySize();
+
+ for (int i = 0; i < arraySize; ++i) {
+ int offset = typeWithoutArrayness.getObjectSize() * i;
+ if (!CompareStruct(typeWithoutArrayness, &rightUnionArray[offset], &leftUnionArray[offset]))
+ return false;
+ }
+ } else
+ return CompareStruct(leftNodeType, rightUnionArray, leftUnionArray);
+
+ return true;
+}
+
+//
+// The fold functions see if an operation on a constant can be done in place,
+// without generating run-time code.
+//
+// Returns the node to keep using, which may or may not be the node passed in.
+//
+
+TIntermTyped* TIntermConstantUnion::fold(TOperator op, TIntermTyped* constantNode, TInfoSink& infoSink)
+{
+ ConstantUnion *unionArray = getUnionArrayPointer();
+ int objectSize = getType().getObjectSize();
+
+ if (constantNode) { // binary operations
+ TIntermConstantUnion *node = constantNode->getAsConstantUnion();
+ ConstantUnion *rightUnionArray = node->getUnionArrayPointer();
+ TType returnType = getType();
+
+ // for a case like float f = 1.2 + vec4(2,3,4,5);
+ if (constantNode->getType().getObjectSize() == 1 && objectSize > 1) {
+ rightUnionArray = new ConstantUnion[objectSize];
+ for (int i = 0; i < objectSize; ++i)
+ rightUnionArray[i] = *node->getUnionArrayPointer();
+ returnType = getType();
+ } else if (constantNode->getType().getObjectSize() > 1 && objectSize == 1) {
+ // for a case like float f = vec4(2,3,4,5) + 1.2;
+ unionArray = new ConstantUnion[constantNode->getType().getObjectSize()];
+ for (int i = 0; i < constantNode->getType().getObjectSize(); ++i)
+ unionArray[i] = *getUnionArrayPointer();
+ returnType = node->getType();
+ objectSize = constantNode->getType().getObjectSize();
+ }
+
+ ConstantUnion* tempConstArray = 0;
+ TIntermConstantUnion *tempNode;
+
+ bool boolNodeFlag = false;
+ switch(op) {
+ case EOpAdd:
+ tempConstArray = new ConstantUnion[objectSize];
+ {// support MSVC++6.0
+ for (int i = 0; i < objectSize; i++)
+ tempConstArray[i] = unionArray[i] + rightUnionArray[i];
+ }
+ break;
+ case EOpSub:
+ tempConstArray = new ConstantUnion[objectSize];
+ {// support MSVC++6.0
+ for (int i = 0; i < objectSize; i++)
+ tempConstArray[i] = unionArray[i] - rightUnionArray[i];
+ }
+ break;
+
+ case EOpMul:
+ case EOpVectorTimesScalar:
+ case EOpMatrixTimesScalar:
+ tempConstArray = new ConstantUnion[objectSize];
+ {// support MSVC++6.0
+ for (int i = 0; i < objectSize; i++)
+ tempConstArray[i] = unionArray[i] * rightUnionArray[i];
+ }
+ break;
+ case EOpMatrixTimesMatrix:
+ if (getType().getBasicType() != EbtFloat || node->getBasicType() != EbtFloat) {
+ infoSink.info.message(EPrefixInternalError, "Constant Folding cannot be done for matrix multiply", getLine());
+ return 0;
+ }
+ {// support MSVC++6.0
+ int size = getNominalSize();
+ tempConstArray = new ConstantUnion[size*size];
+ for (int row = 0; row < size; row++) {
+ for (int column = 0; column < size; column++) {
+ tempConstArray[size * column + row].setFConst(0.0f);
+ for (int i = 0; i < size; i++) {
+ tempConstArray[size * column + row].setFConst(tempConstArray[size * column + row].getFConst() + unionArray[i * size + row].getFConst() * (rightUnionArray[column * size + i].getFConst()));
+ }
+ }
+ }
+ }
+ break;
+ case EOpDiv:
+ tempConstArray = new ConstantUnion[objectSize];
+ {// support MSVC++6.0
+ for (int i = 0; i < objectSize; i++) {
+ switch (getType().getBasicType()) {
+ case EbtFloat:
+ if (rightUnionArray[i] == 0.0f) {
+ infoSink.info.message(EPrefixWarning, "Divide by zero error during constant folding", getLine());
+ tempConstArray[i].setFConst(FLT_MAX);
+ } else
+ tempConstArray[i].setFConst(unionArray[i].getFConst() / rightUnionArray[i].getFConst());
+ break;
+
+ case EbtInt:
+ if (rightUnionArray[i] == 0) {
+ infoSink.info.message(EPrefixWarning, "Divide by zero error during constant folding", getLine());
+ tempConstArray[i].setIConst(INT_MAX);
+ } else
+ tempConstArray[i].setIConst(unionArray[i].getIConst() / rightUnionArray[i].getIConst());
+ break;
+ default:
+ infoSink.info.message(EPrefixInternalError, "Constant folding cannot be done for \"/\"", getLine());
+ return 0;
+ }
+ }
+ }
+ break;
+
+ case EOpMatrixTimesVector:
+ if (node->getBasicType() != EbtFloat) {
+ infoSink.info.message(EPrefixInternalError, "Constant Folding cannot be done for matrix times vector", getLine());
+ return 0;
+ }
+ tempConstArray = new ConstantUnion[getNominalSize()];
+
+ {// support MSVC++6.0
+ for (int size = getNominalSize(), i = 0; i < size; i++) {
+ tempConstArray[i].setFConst(0.0f);
+ for (int j = 0; j < size; j++) {
+ tempConstArray[i].setFConst(tempConstArray[i].getFConst() + ((unionArray[j*size + i].getFConst()) * rightUnionArray[j].getFConst()));
+ }
+ }
+ }
+
+ tempNode = new TIntermConstantUnion(tempConstArray, node->getType());
+ tempNode->setLine(getLine());
+
+ return tempNode;
+
+ case EOpVectorTimesMatrix:
+ if (getType().getBasicType() != EbtFloat) {
+ infoSink.info.message(EPrefixInternalError, "Constant Folding cannot be done for vector times matrix", getLine());
+ return 0;
+ }
+
+ tempConstArray = new ConstantUnion[getNominalSize()];
+ {// support MSVC++6.0
+ for (int size = getNominalSize(), i = 0; i < size; i++) {
+ tempConstArray[i].setFConst(0.0f);
+ for (int j = 0; j < size; j++) {
+ tempConstArray[i].setFConst(tempConstArray[i].getFConst() + ((unionArray[j].getFConst()) * rightUnionArray[i*size + j].getFConst()));
+ }
+ }
+ }
+ break;
+
+ case EOpLogicalAnd: // this code is written for possible future use, will not get executed currently
+ tempConstArray = new ConstantUnion[objectSize];
+ {// support MSVC++6.0
+ for (int i = 0; i < objectSize; i++)
+ tempConstArray[i] = unionArray[i] && rightUnionArray[i];
+ }
+ break;
+
+ case EOpLogicalOr: // this code is written for possible future use, will not get executed currently
+ tempConstArray = new ConstantUnion[objectSize];
+ {// support MSVC++6.0
+ for (int i = 0; i < objectSize; i++)
+ tempConstArray[i] = unionArray[i] || rightUnionArray[i];
+ }
+ break;
+
+ case EOpLogicalXor:
+ tempConstArray = new ConstantUnion[objectSize];
+ {// support MSVC++6.0
+ for (int i = 0; i < objectSize; i++)
+ switch (getType().getBasicType()) {
+ case EbtBool: tempConstArray[i].setBConst((unionArray[i] == rightUnionArray[i]) ? false : true); break;
+ default: assert(false && "Default missing");
+ }
+ }
+ break;
+
+ case EOpLessThan:
+ assert(objectSize == 1);
+ tempConstArray = new ConstantUnion[1];
+ tempConstArray->setBConst(*unionArray < *rightUnionArray);
+ returnType = TType(EbtBool, EbpUndefined, EvqConst);
+ break;
+ case EOpGreaterThan:
+ assert(objectSize == 1);
+ tempConstArray = new ConstantUnion[1];
+ tempConstArray->setBConst(*unionArray > *rightUnionArray);
+ returnType = TType(EbtBool, EbpUndefined, EvqConst);
+ break;
+ case EOpLessThanEqual:
+ {
+ assert(objectSize == 1);
+ ConstantUnion constant;
+ constant.setBConst(*unionArray > *rightUnionArray);
+ tempConstArray = new ConstantUnion[1];
+ tempConstArray->setBConst(!constant.getBConst());
+ returnType = TType(EbtBool, EbpUndefined, EvqConst);
+ break;
+ }
+ case EOpGreaterThanEqual:
+ {
+ assert(objectSize == 1);
+ ConstantUnion constant;
+ constant.setBConst(*unionArray < *rightUnionArray);
+ tempConstArray = new ConstantUnion[1];
+ tempConstArray->setBConst(!constant.getBConst());
+ returnType = TType(EbtBool, EbpUndefined, EvqConst);
+ break;
+ }
+
+ case EOpEqual:
+ if (getType().getBasicType() == EbtStruct) {
+ if (!CompareStructure(node->getType(), node->getUnionArrayPointer(), unionArray))
+ boolNodeFlag = true;
+ } else {
+ for (int i = 0; i < objectSize; i++) {
+ if (unionArray[i] != rightUnionArray[i]) {
+ boolNodeFlag = true;
+ break; // break out of for loop
+ }
+ }
+ }
+
+ tempConstArray = new ConstantUnion[1];
+ if (!boolNodeFlag) {
+ tempConstArray->setBConst(true);
+ }
+ else {
+ tempConstArray->setBConst(false);
+ }
+
+ tempNode = new TIntermConstantUnion(tempConstArray, TType(EbtBool, EbpUndefined, EvqConst));
+ tempNode->setLine(getLine());
+
+ return tempNode;
+
+ case EOpNotEqual:
+ if (getType().getBasicType() == EbtStruct) {
+ if (CompareStructure(node->getType(), node->getUnionArrayPointer(), unionArray))
+ boolNodeFlag = true;
+ } else {
+ for (int i = 0; i < objectSize; i++) {
+ if (unionArray[i] == rightUnionArray[i]) {
+ boolNodeFlag = true;
+ break; // break out of for loop
+ }
+ }
+ }
+
+ tempConstArray = new ConstantUnion[1];
+ if (!boolNodeFlag) {
+ tempConstArray->setBConst(true);
+ }
+ else {
+ tempConstArray->setBConst(false);
+ }
+
+ tempNode = new TIntermConstantUnion(tempConstArray, TType(EbtBool, EbpUndefined, EvqConst));
+ tempNode->setLine(getLine());
+
+ return tempNode;
+
+ default:
+ infoSink.info.message(EPrefixInternalError, "Invalid operator for constant folding", getLine());
+ return 0;
+ }
+ tempNode = new TIntermConstantUnion(tempConstArray, returnType);
+ tempNode->setLine(getLine());
+
+ return tempNode;
+ } else {
+ //
+ // Do unary operations
+ //
+ TIntermConstantUnion *newNode = 0;
+ ConstantUnion* tempConstArray = new ConstantUnion[objectSize];
+ for (int i = 0; i < objectSize; i++) {
+ switch(op) {
+ case EOpNegative:
+ switch (getType().getBasicType()) {
+ case EbtFloat: tempConstArray[i].setFConst(-unionArray[i].getFConst()); break;
+ case EbtInt: tempConstArray[i].setIConst(-unionArray[i].getIConst()); break;
+ default:
+ infoSink.info.message(EPrefixInternalError, "Unary operation not folded into constant", getLine());
+ return 0;
+ }
+ break;
+ case EOpLogicalNot: // this code is written for possible future use, will not get executed currently
+ switch (getType().getBasicType()) {
+ case EbtBool: tempConstArray[i].setBConst(!unionArray[i].getBConst()); break;
+ default:
+ infoSink.info.message(EPrefixInternalError, "Unary operation not folded into constant", getLine());
+ return 0;
+ }
+ break;
+ default:
+ return 0;
+ }
+ }
+ newNode = new TIntermConstantUnion(tempConstArray, getType());
+ newNode->setLine(getLine());
+ return newNode;
+ }
+}
+
+TIntermTyped* TIntermediate::promoteConstantUnion(TBasicType promoteTo, TIntermConstantUnion* node)
+{
+ ConstantUnion *rightUnionArray = node->getUnionArrayPointer();
+ int size = node->getType().getObjectSize();
+
+ ConstantUnion *leftUnionArray = new ConstantUnion[size];
+
+ for (int i=0; i < size; i++) {
+
+ switch (promoteTo) {
+ case EbtFloat:
+ switch (node->getType().getBasicType()) {
+ case EbtInt:
+ leftUnionArray[i].setFConst(static_cast<float>(rightUnionArray[i].getIConst()));
+ break;
+ case EbtBool:
+ leftUnionArray[i].setFConst(static_cast<float>(rightUnionArray[i].getBConst()));
+ break;
+ case EbtFloat:
+ leftUnionArray[i] = rightUnionArray[i];
+ break;
+ default:
+ infoSink.info.message(EPrefixInternalError, "Cannot promote", node->getLine());
+ return 0;
+ }
+ break;
+ case EbtInt:
+ switch (node->getType().getBasicType()) {
+ case EbtInt:
+ leftUnionArray[i] = rightUnionArray[i];
+ break;
+ case EbtBool:
+ leftUnionArray[i].setIConst(static_cast<int>(rightUnionArray[i].getBConst()));
+ break;
+ case EbtFloat:
+ leftUnionArray[i].setIConst(static_cast<int>(rightUnionArray[i].getFConst()));
+ break;
+ default:
+ infoSink.info.message(EPrefixInternalError, "Cannot promote", node->getLine());
+ return 0;
+ }
+ break;
+ case EbtBool:
+ switch (node->getType().getBasicType()) {
+ case EbtInt:
+ leftUnionArray[i].setBConst(rightUnionArray[i].getIConst() != 0);
+ break;
+ case EbtBool:
+ leftUnionArray[i] = rightUnionArray[i];
+ break;
+ case EbtFloat:
+ leftUnionArray[i].setBConst(rightUnionArray[i].getFConst() != 0.0f);
+ break;
+ default:
+ infoSink.info.message(EPrefixInternalError, "Cannot promote", node->getLine());
+ return 0;
+ }
+
+ break;
+ default:
+ infoSink.info.message(EPrefixInternalError, "Incorrect data type found", node->getLine());
+ return 0;
+ }
+
+ }
+
+ const TType& t = node->getType();
+
+ return addConstantUnion(leftUnionArray, TType(promoteTo, t.getPrecision(), t.getQualifier(), t.getNominalSize(), t.isMatrix(), t.isArray()), node->getLine());
+}
+
diff --git a/src/GLES2/compiler/MMap.h b/src/GLES2/compiler/MMap.h
new file mode 100644
index 0000000..a308671
--- /dev/null
+++ b/src/GLES2/compiler/MMap.h
@@ -0,0 +1,56 @@
+//
+// Copyright (c) 2002-2010 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+#ifndef _MMAP_INCLUDED_
+#define _MMAP_INCLUDED_
+
+//
+// Encapsulate memory mapped files
+//
+
+class TMMap {
+public:
+ TMMap(const char* fileName) :
+ fSize(-1), // -1 is the error value returned by GetFileSize()
+ fp(NULL),
+ fBuff(0) // 0 is the error value returned by MapViewOfFile()
+ {
+ if ((fp = fopen(fileName, "r")) == NULL)
+ return;
+ char c = getc(fp);
+ fSize = 0;
+ while (c != EOF) {
+ fSize++;
+ c = getc(fp);
+ }
+ if (c == EOF)
+ fSize++;
+ rewind(fp);
+ fBuff = (char*)malloc(sizeof(char) * fSize);
+ int count = 0;
+ c = getc(fp);
+ while (c != EOF) {
+ fBuff[count++] = c;
+ c = getc(fp);
+ }
+ fBuff[count++] = c;
+ }
+
+ char* getData() { return fBuff; }
+ int getSize() { return fSize; }
+
+ ~TMMap() {
+ if (fp != NULL)
+ fclose(fp);
+ }
+
+private:
+ int fSize; // size of file to map in
+ FILE *fp;
+ char* fBuff; // the actual data;
+};
+
+#endif // _MMAP_INCLUDED_
diff --git a/src/GLES2/compiler/OutputASM.cpp b/src/GLES2/compiler/OutputASM.cpp
new file mode 100644
index 0000000..713f031
--- /dev/null
+++ b/src/GLES2/compiler/OutputASM.cpp
@@ -0,0 +1,2250 @@
+// SwiftShader Software Renderer
+//
+// Copyright(c) 2005-2013 TransGaming Inc.
+//
+// All rights reserved. No part of this software may be copied, distributed, transmitted,
+// transcribed, stored in a retrieval system, translated into any human or computer
+// language by any means, or disclosed to third parties without the explicit written
+// agreement of TransGaming Inc. Without such an agreement, no rights or licenses, express
+// or implied, including but not limited to any patent rights, are granted to you.
+//
+
+#include "compiler/OutputASM.h"
+
+#include "common/debug.h"
+#include "compiler/InfoSink.h"
+
+#include "libGLESv2/Shader.h"
+
+#define GL_APICALL
+#include <GLES2/gl2.h>
+
+namespace sh
+{
+ static const unsigned char swizzleSize[5] = {0x00, 0x00, 0x54, 0xA4, 0xE4}; // (void), xxxx, xyyy, xyzz, xyzw
+
+ // Integer to TString conversion
+ TString str(int i)
+ {
+ char buffer[20];
+ sprintf(buffer, "%d", i);
+ return buffer;
+ }
+
+ class Temporary : public TIntermSymbol
+ {
+ public:
+ Temporary(OutputASM *assembler) : TIntermSymbol(0, "tmp", TType(EbtFloat, EbpHigh, EvqTemporary, 4, false, false)), assembler(assembler)
+ {
+ }
+
+ ~Temporary()
+ {
+ assembler->freeTemporary(this);
+ }
+
+ private:
+ OutputASM *const assembler;
+ };
+
+ class Constant : public TIntermConstantUnion
+ {
+ public:
+ Constant(float x, float y, float z, float w) : TIntermConstantUnion(constants, TType(EbtFloat, EbpHigh, EvqConst, 4, false, false))
+ {
+ constants[0].setFConst(x);
+ constants[1].setFConst(y);
+ constants[2].setFConst(z);
+ constants[3].setFConst(w);
+ }
+
+ Constant(bool b) : TIntermConstantUnion(constants, TType(EbtBool, EbpHigh, EvqConst, 1, false, false))
+ {
+ constants[0].setBConst(b);
+ }
+
+ Constant(int i) : TIntermConstantUnion(constants, TType(EbtInt, EbpHigh, EvqConst, 1, false, false))
+ {
+ constants[0].setIConst(i);
+ }
+
+ ~Constant()
+ {
+ }
+
+ private:
+ ConstantUnion constants[4];
+ };
+
+ Uniform::Uniform(GLenum type, const std::string &name, int arraySize, int registerIndex)
+ {
+ this->type = type;
+ this->name = name;
+ this->arraySize = arraySize;
+ this->registerIndex = registerIndex;
+ }
+
+ Attribute::Attribute()
+ {
+ type = GL_NONE;
+ arraySize = 0;
+ registerIndex = 0;
+ }
+
+ Attribute::Attribute(GLenum type, const std::string &name, int arraySize, int registerIndex)
+ {
+ this->type = type;
+ this->name = name;
+ this->arraySize = arraySize;
+ this->registerIndex = registerIndex;
+ }
+
+ OutputASM::OutputASM(TParseContext &context, gl::Shader *shaderObject) : TIntermTraverser(true, true, true), mContext(context), shaderObject(shaderObject)
+ {
+ shader = 0;
+ pixelShader = 0;
+ vertexShader = 0;
+
+ if(shaderObject)
+ {
+ shader = shaderObject->getShader();
+ pixelShader = shaderObject->getPixelShader();
+ vertexShader = shaderObject->getVertexShader();
+ }
+
+ functionArray.push_back(Function(0, "main(", 0, 0));
+ currentFunction = 0;
+ }
+
+ OutputASM::~OutputASM()
+ {
+ }
+
+ void OutputASM::output()
+ {
+ if(shader)
+ {
+ emitShader(GLOBAL);
+
+ if(functionArray.size() > 1) // Only call main() when there are other functions
+ {
+ Instruction *callMain = emit(sw::Shader::OPCODE_CALL);
+ callMain->dst.type = sw::Shader::PARAMETER_LABEL;
+ callMain->dst.index = 0; // main()
+
+ emit(sw::Shader::OPCODE_RET);
+ }
+
+ emitShader(FUNCTION);
+ }
+ }
+
+ void OutputASM::emitShader(Scope scope)
+ {
+ emitScope = scope;
+ currentScope = GLOBAL;
+ mContext.treeRoot->traverse(this);
+ }
+
+ void OutputASM::freeTemporary(Temporary *temporary)
+ {
+ free(temporaries, temporary);
+ }
+
+ void OutputASM::visitSymbol(TIntermSymbol *symbol)
+ {
+ if(symbol->getQualifier() == EvqVaryingOut || symbol->getQualifier() == EvqInvariantVaryingOut)
+ {
+ // Vertex varyings don't have to be actively used to successfully link
+ // against pixel shaders that use them. So make sure they're declared.
+ declareVarying(symbol, -1);
+ }
+ }
+
+ bool OutputASM::visitBinary(Visit visit, TIntermBinary *node)
+ {
+ if(currentScope != emitScope)
+ {
+ return false;
+ }
+
+ TIntermTyped *result = node;
+ TIntermTyped *left = node->getLeft();
+ TIntermTyped *right = node->getRight();
+ const TType &leftType = left->getType();
+ const TType &rightType = right->getType();
+ const TType &resultType = node->getType();
+
+ switch(node->getOp())
+ {
+ case EOpAssign:
+ if(visit == PostVisit)
+ {
+ assignLvalue(left, right);
+ copy(result, right);
+ }
+ break;
+ case EOpInitialize:
+ if(visit == PostVisit)
+ {
+ copy(left, right);
+ }
+ break;
+ case EOpMatrixTimesScalarAssign:
+ if(visit == PostVisit)
+ {
+ for(int i = 0; i < leftType.getNominalSize(); i++)
+ {
+ Instruction *mul = emit(sw::Shader::OPCODE_MUL, result, left, right);
+ mul->dst.index += i;
+ argument(mul->src[0], left, i);
+ }
+
+ assignLvalue(left, result);
+ }
+ break;
+ case EOpVectorTimesMatrixAssign:
+ if(visit == PostVisit)
+ {
+ int size = leftType.getNominalSize();
+
+ for(int i = 0; i < size; i++)
+ {
+ Instruction *dot = emit(sw::Shader::OPCODE_DP(size), result, left, right);
+ dot->dst.mask = 1 << i;
+ argument(dot->src[1], right, i);
+ }
+
+ assignLvalue(left, result);
+ }
+ break;
+ case EOpMatrixTimesMatrixAssign:
+ if(visit == PostVisit)
+ {
+ int dim = leftType.getNominalSize();
+
+ for(int i = 0; i < dim; i++)
+ {
+ Instruction *mul = emit(sw::Shader::OPCODE_MUL, result, left, right);
+ mul->dst.index += i;
+ argument(mul->src[1], right, i);
+ mul->src[1].swizzle = 0x00;
+
+ for(int j = 1; j < dim; j++)
+ {
+ Instruction *mad = emit(sw::Shader::OPCODE_MAD, result, left, right, result);
+ mad->dst.index += i;
+ argument(mad->src[0], left, j);
+ argument(mad->src[1], right, i);
+ mad->src[1].swizzle = j * 0x55;
+ argument(mad->src[2], result, i);
+ }
+ }
+
+ assignLvalue(left, result);
+ }
+ break;
+ case EOpIndexDirect:
+ if(visit == PostVisit)
+ {
+ int index = right->getAsConstantUnion()->getUnionArrayPointer()->getIConst();
+
+ if(result->isMatrix() || result->isStruct())
+ {
+ ASSERT(left->isArray());
+ copy(result, left, index * left->elementRegisterCount());
+ }
+ else if(result->isRegister())
+ {
+ Instruction *mov = emit(sw::Shader::OPCODE_MOV, result, left);
+
+ if(left->isRegister())
+ {
+ mov->src[0].swizzle = index;
+ }
+ else if(left->isArray())
+ {
+ argument(mov->src[0], left, index * left->elementRegisterCount());
+ }
+ else if(left->isMatrix())
+ {
+ ASSERT(index < left->getNominalSize()); // FIXME: Report semantic error
+ argument(mov->src[0], left, index);
+ }
+ else UNREACHABLE();
+ }
+ else UNREACHABLE();
+ }
+ break;
+ case EOpIndexIndirect:
+ if(visit == PostVisit)
+ {
+ if(left->isArray() || left->isMatrix())
+ {
+ for(int index = 0; index < result->totalRegisterCount(); index++)
+ {
+ Instruction *mov = emit(sw::Shader::OPCODE_MOV, result, left);
+
+ mov->dst.index += index;
+ argument(mov->src[0], left, index);
+
+ if(left->totalRegisterCount() > 1)
+ {
+ sw::Shader::SourceParameter relativeRegister;
+ argument(relativeRegister, right);
+
+ mov->src[0].rel.type = relativeRegister.type;
+ mov->src[0].rel.index = relativeRegister.index;
+ mov->src[0].rel.scale = result->totalRegisterCount();
+ mov->src[0].rel.deterministic = !(vertexShader && left->getQualifier() == EvqUniform);
+ }
+ }
+ }
+ else if(left->isRegister())
+ {
+ emit(sw::Shader::OPCODE_EXTRACT, result, left, right);
+ }
+ else UNREACHABLE();
+ }
+ break;
+ case EOpIndexDirectStruct:
+ if(visit == PostVisit)
+ {
+ ASSERT(leftType.isStruct());
+
+ const TTypeList *structure = leftType.getStruct();
+ const TString &fieldName = rightType.getFieldName();
+ int fieldOffset = 0;
+
+ for(size_t i = 0; i < structure->size(); i++)
+ {
+ const TType &fieldType = *(*structure)[i].type;
+
+ if(fieldType.getFieldName() == fieldName)
+ {
+ break;
+ }
+
+ fieldOffset += fieldType.totalRegisterCount();
+ }
+
+ copy(result, left, fieldOffset);
+ }
+ break;
+ case EOpVectorSwizzle:
+ if(visit == PostVisit)
+ {
+ int swizzle = 0;
+ TIntermAggregate *components = right->getAsAggregate();
+
+ if(components)
+ {
+ TIntermSequence &sequence = components->getSequence();
+ int component = 0;
+
+ for(TIntermSequence::iterator sit = sequence.begin(); sit != sequence.end(); sit++)
+ {
+ TIntermConstantUnion *element = (*sit)->getAsConstantUnion();
+
+ if(element)
+ {
+ int i = element->getUnionArrayPointer()[0].getIConst();
+ swizzle |= i << (component * 2);
+ component++;
+ }
+ else UNREACHABLE();
+ }
+ }
+ else UNREACHABLE();
+
+ Instruction *mov = emit(sw::Shader::OPCODE_MOV, result, left);
+ mov->src[0].swizzle = swizzle;
+ }
+ break;
+ case EOpAddAssign: if(visit == PostVisit) emitAssign(sw::Shader::OPCODE_ADD, result, left, left, right); break;
+ case EOpAdd: if(visit == PostVisit) emit(sw::Shader::OPCODE_ADD, result, left, right); break;
+ case EOpSubAssign: if(visit == PostVisit) emitAssign(sw::Shader::OPCODE_SUB, result, left, left, right); break;
+ case EOpSub: if(visit == PostVisit) emit(sw::Shader::OPCODE_SUB, result, left, right); break;
+ case EOpMulAssign: if(visit == PostVisit) emitAssign(sw::Shader::OPCODE_MUL, result, left, left, right); break;
+ case EOpMul: if(visit == PostVisit) emit(sw::Shader::OPCODE_MUL, result, left, right); break;
+ case EOpDivAssign: if(visit == PostVisit) emitAssign(sw::Shader::OPCODE_DIV, result, left, left, right); break;
+ case EOpDiv: if(visit == PostVisit) emit(sw::Shader::OPCODE_DIV, result, left, right); break;
+ case EOpEqual:
+ if(visit == PostVisit)
+ {
+ emitCmp(sw::Shader::CONTROL_EQ, result, left, right);
+
+ for(int index = 1; index < left->totalRegisterCount(); index++)
+ {
+ Temporary equal(this);
+ emitCmp(sw::Shader::CONTROL_EQ, &equal, left, right, index);
+ emit(sw::Shader::OPCODE_AND, result, result, &equal);
+ }
+ }
+ break;
+ case EOpNotEqual:
+ if(visit == PostVisit)
+ {
+ emitCmp(sw::Shader::CONTROL_NE, result, left, right);
+
+ for(int index = 1; index < left->totalRegisterCount(); index++)
+ {
+ Temporary notEqual(this);
+ emitCmp(sw::Shader::CONTROL_NE, ¬Equal, left, right, index);
+ emit(sw::Shader::OPCODE_OR, result, result, ¬Equal);
+ }
+ }
+ break;
+ case EOpLessThan: if(visit == PostVisit) emitCmp(sw::Shader::CONTROL_LT, result, left, right); break;
+ case EOpGreaterThan: if(visit == PostVisit) emitCmp(sw::Shader::CONTROL_GT, result, left, right); break;
+ case EOpLessThanEqual: if(visit == PostVisit) emitCmp(sw::Shader::CONTROL_LE, result, left, right); break;
+ case EOpGreaterThanEqual: if(visit == PostVisit) emitCmp(sw::Shader::CONTROL_GE, result, left, right); break;
+ case EOpVectorTimesScalarAssign: if(visit == PostVisit) emitAssign(sw::Shader::OPCODE_MUL, result, left, left, right); break;
+ case EOpVectorTimesScalar: if(visit == PostVisit) emit(sw::Shader::OPCODE_MUL, result, left, right); break;
+ case EOpMatrixTimesScalar:
+ if(visit == PostVisit)
+ {
+ for(int i = 0; i < leftType.getNominalSize(); i++)
+ {
+ Instruction *mul = emit(sw::Shader::OPCODE_MUL, result, left, right);
+ mul->dst.index += i;
+ argument(mul->src[0], left, i);
+ }
+ }
+ break;
+ case EOpVectorTimesMatrix:
+ if(visit == PostVisit)
+ {
+ int size = leftType.getNominalSize();
+
+ for(int i = 0; i < size; i++)
+ {
+ Instruction *dot = emit(sw::Shader::OPCODE_DP(size), result, left, right);
+ dot->dst.mask = 1 << i;
+ argument(dot->src[1], right, i);
+ }
+ }
+ break;
+ case EOpMatrixTimesVector:
+ if(visit == PostVisit)
+ {
+ Instruction *mul = emit(sw::Shader::OPCODE_MUL, result, left, right);
+ mul->src[1].swizzle = 0x00;
+
+ for(int i = 1; i < leftType.getNominalSize(); i++)
+ {
+ Instruction *mad = emit(sw::Shader::OPCODE_MAD, result, left, right, result);
+ argument(mad->src[0], left, i);
+ mad->src[1].swizzle = i * 0x55;
+ }
+ }
+ break;
+ case EOpMatrixTimesMatrix:
+ if(visit == PostVisit)
+ {
+ int dim = leftType.getNominalSize();
+
+ for(int i = 0; i < dim; i++)
+ {
+ Instruction *mul = emit(sw::Shader::OPCODE_MUL, result, left, right);
+ mul->dst.index += i;
+ argument(mul->src[1], right, i);
+ mul->src[1].swizzle = 0x00;
+
+ for(int j = 1; j < dim; j++)
+ {
+ Instruction *mad = emit(sw::Shader::OPCODE_MAD, result, left, right, result);
+ mad->dst.index += i;
+ argument(mad->src[0], left, j);
+ argument(mad->src[1], right, i);
+ mad->src[1].swizzle = j * 0x55;
+ argument(mad->src[2], result, i);
+ }
+ }
+ }
+ break;
+ case EOpLogicalOr:
+ if(trivial(right, 6))
+ {
+ if(visit == PostVisit)
+ {
+ emit(sw::Shader::OPCODE_OR, result, left, right);
+ }
+ }
+ else // Short-circuit evaluation
+ {
+ if(visit == InVisit)
+ {
+ emit(sw::Shader::OPCODE_MOV, result, left);
+ Instruction *ifnot = emit(sw::Shader::OPCODE_IF, 0, result);
+ ifnot->src[0].modifier = sw::Shader::MODIFIER_NOT;
+ }
+ else if(visit == PostVisit)
+ {
+ emit(sw::Shader::OPCODE_MOV, result, right);
+ emit(sw::Shader::OPCODE_ENDIF);
+ }
+ }
+ break;
+ case EOpLogicalXor: if(visit == PostVisit) emit(sw::Shader::OPCODE_XOR, result, left, right); break;
+ case EOpLogicalAnd:
+ if(trivial(right, 6))
+ {
+ if(visit == PostVisit)
+ {
+ emit(sw::Shader::OPCODE_AND, result, left, right);
+ }
+ }
+ else // Short-circuit evaluation
+ {
+ if(visit == InVisit)
+ {
+ emit(sw::Shader::OPCODE_MOV, result, left);
+ emit(sw::Shader::OPCODE_IF, 0, result);
+ }
+ else if(visit == PostVisit)
+ {
+ emit(sw::Shader::OPCODE_MOV, result, right);
+ emit(sw::Shader::OPCODE_ENDIF);
+ }
+ }
+ break;
+ default: UNREACHABLE();
+ }
+
+ return true;
+ }
+
+ bool OutputASM::visitUnary(Visit visit, TIntermUnary *node)
+ {
+ if(currentScope != emitScope)
+ {
+ return false;
+ }
+
+ Constant one(1.0f, 1.0f, 1.0f, 1.0f);
+ Constant rad(1.74532925e-2f, 1.74532925e-2f, 1.74532925e-2f, 1.74532925e-2f);
+ Constant deg(5.72957795e+1f, 5.72957795e+1f, 5.72957795e+1f, 5.72957795e+1f);
+
+ TIntermTyped *result = node;
+ TIntermTyped *arg = node->getOperand();
+
+ switch(node->getOp())
+ {
+ case EOpNegative:
+ if(visit == PostVisit)
+ {
+ for(int index = 0; index < arg->totalRegisterCount(); index++)
+ {
+ Instruction *neg = emit(sw::Shader::OPCODE_MOV, result, arg);
+ neg->dst.index += index;
+ argument(neg->src[0], arg, index);
+ neg->src[0].modifier = sw::Shader::MODIFIER_NEGATE;
+ }
+ }
+ break;
+ case EOpVectorLogicalNot: if(visit == PostVisit) emit(sw::Shader::OPCODE_NOT, result, arg); break;
+ case EOpLogicalNot: if(visit == PostVisit) emit(sw::Shader::OPCODE_NOT, result, arg); break;
+ case EOpPostIncrement:
+ if(visit == PostVisit)
+ {
+ copy(result, arg);
+
+ for(int index = 0; index < arg->totalRegisterCount(); index++)
+ {
+ Instruction *add = emit(sw::Shader::OPCODE_ADD, arg, arg, &one);
+ add->dst.index += index;
+ argument(add->src[0], arg, index);
+ }
+
+ assignLvalue(arg, arg);
+ }
+ break;
+ case EOpPostDecrement:
+ if(visit == PostVisit)
+ {
+ copy(result, arg);
+
+ for(int index = 0; index < arg->totalRegisterCount(); index++)
+ {
+ Instruction *sub = emit(sw::Shader::OPCODE_SUB, arg, arg, &one);
+ sub->dst.index += index;
+ argument(sub->src[0], arg, index);
+ }
+
+ assignLvalue(arg, arg);
+ }
+ break;
+ case EOpPreIncrement:
+ if(visit == PostVisit)
+ {
+ for(int index = 0; index < arg->totalRegisterCount(); index++)
+ {
+ Instruction *add = emit(sw::Shader::OPCODE_ADD, result, arg, &one);
+ add->dst.index += index;
+ argument(add->src[0], arg, index);
+ }
+
+ assignLvalue(arg, result);
+ }
+ break;
+ case EOpPreDecrement:
+ if(visit == PostVisit)
+ {
+ for(int index = 0; index < arg->totalRegisterCount(); index++)
+ {
+ Instruction *sub = emit(sw::Shader::OPCODE_SUB, result, arg, &one);
+ sub->dst.index += index;
+ argument(sub->src[0], arg, index);
+ }
+
+ assignLvalue(arg, result);
+ }
+ break;
+ case EOpConvIntToBool: if(visit == PostVisit) emit(sw::Shader::OPCODE_F2B, result, arg); break; // Integers are implemented as float
+ case EOpConvFloatToBool: if(visit == PostVisit) emit(sw::Shader::OPCODE_F2B, result, arg); break;
+ case EOpConvBoolToFloat: if(visit == PostVisit) emit(sw::Shader::OPCODE_B2F, result, arg); break;
+ case EOpConvIntToFloat: if(visit == PostVisit) emit(sw::Shader::OPCODE_MOV, result, arg); break; // Integers are implemented as float
+ case EOpConvFloatToInt: if(visit == PostVisit) emit(sw::Shader::OPCODE_TRUNC, result, arg); break; // Integers are implemented as float
+ case EOpConvBoolToInt: if(visit == PostVisit) emit(sw::Shader::OPCODE_B2F, result, arg); break; // Integers are implemented as float
+ case EOpRadians: if(visit == PostVisit) emit(sw::Shader::OPCODE_MUL, result, arg, &rad); break;
+ case EOpDegrees: if(visit == PostVisit) emit(sw::Shader::OPCODE_MUL, result, arg, °); break;
+ case EOpSin: if(visit == PostVisit) emit(sw::Shader::OPCODE_SIN, result, arg); break;
+ case EOpCos: if(visit == PostVisit) emit(sw::Shader::OPCODE_COS, result, arg); break;
+ case EOpTan: if(visit == PostVisit) emit(sw::Shader::OPCODE_TAN, result, arg); break;
+ case EOpAsin: if(visit == PostVisit) emit(sw::Shader::OPCODE_ASIN, result, arg); break;
+ case EOpAcos: if(visit == PostVisit) emit(sw::Shader::OPCODE_ACOS, result, arg); break;
+ case EOpAtan: if(visit == PostVisit) emit(sw::Shader::OPCODE_ATAN, result, arg); break;
+ case EOpExp: if(visit == PostVisit) emit(sw::Shader::OPCODE_EXP, result, arg); break;
+ case EOpLog: if(visit == PostVisit) emit(sw::Shader::OPCODE_LOG, result, arg); break;
+ case EOpExp2: if(visit == PostVisit) emit(sw::Shader::OPCODE_EXP2, result, arg); break;
+ case EOpLog2: if(visit == PostVisit) emit(sw::Shader::OPCODE_LOG2, result, arg); break;
+ case EOpSqrt: if(visit == PostVisit) emit(sw::Shader::OPCODE_SQRT, result, arg); break;
+ case EOpInverseSqrt: if(visit == PostVisit) emit(sw::Shader::OPCODE_RSQ, result, arg); break;
+ case EOpAbs: if(visit == PostVisit) emit(sw::Shader::OPCODE_ABS, result, arg); break;
+ case EOpSign: if(visit == PostVisit) emit(sw::Shader::OPCODE_SGN, result, arg); break;
+ case EOpFloor: if(visit == PostVisit) emit(sw::Shader::OPCODE_FLOOR, result, arg); break;
+ case EOpCeil: if(visit == PostVisit) emit(sw::Shader::OPCODE_CEIL, result, arg, result); break;
+ case EOpFract: if(visit == PostVisit) emit(sw::Shader::OPCODE_FRC, result, arg); break;
+ case EOpLength: if(visit == PostVisit) emit(sw::Shader::OPCODE_LEN(dim(arg)), result, arg); break;
+ case EOpNormalize: if(visit == PostVisit) emit(sw::Shader::OPCODE_NRM(dim(arg)), result, arg); break;
+ case EOpDFdx: if(visit == PostVisit) emit(sw::Shader::OPCODE_DFDX, result, arg); break;
+ case EOpDFdy: if(visit == PostVisit) emit(sw::Shader::OPCODE_DFDY, result, arg); break;
+ case EOpFwidth: if(visit == PostVisit) emit(sw::Shader::OPCODE_FWIDTH, result, arg); break;
+ case EOpAny: if(visit == PostVisit) emit(sw::Shader::OPCODE_ANY, result, arg); break;
+ case EOpAll: if(visit == PostVisit) emit(sw::Shader::OPCODE_ALL, result, arg); break;
+ default: UNREACHABLE();
+ }
+
+ return true;
+ }
+
+ bool OutputASM::visitAggregate(Visit visit, TIntermAggregate *node)
+ {
+ if(currentScope != emitScope && node->getOp() != EOpFunction && node->getOp() != EOpSequence)
+ {
+ return false;
+ }
+
+ TIntermTyped *result = node;
+ const TType &resultType = node->getType();
+ TIntermSequence &arg = node->getSequence();
+ int argumentCount = arg.size();
+
+ switch(node->getOp())
+ {
+ case EOpSequence: break;
+ case EOpDeclaration: break;
+ case EOpPrototype: break;
+ case EOpComma:
+ if(visit == PostVisit)
+ {
+ copy(result, arg[1]);
+ }
+ break;
+ case EOpFunction:
+ if(visit == PreVisit)
+ {
+ const TString &name = node->getName();
+
+ if(emitScope == FUNCTION)
+ {
+ if(functionArray.size() > 1) // No need for a label when there's only main()
+ {
+ Instruction *label = emit(sw::Shader::OPCODE_LABEL);
+ label->dst.type = sw::Shader::PARAMETER_LABEL;
+
+ const Function &function = findFunction(name);
+ label->dst.index = function.label;
+ currentFunction = function.label;
+ }
+ }
+ else if(emitScope == GLOBAL)
+ {
+ if(name != "main(")
+ {
+ TIntermSequence &arguments = node->getSequence()[0]->getAsAggregate()->getSequence();
+ functionArray.push_back(Function(functionArray.size(), name, &arguments, node));
+ }
+ }
+ else UNREACHABLE();
+
+ currentScope = FUNCTION;
+ }
+ else if(visit == PostVisit)
+ {
+ if(emitScope == FUNCTION)
+ {
+ if(functionArray.size() > 1) // No need to return when there's only main()
+ {
+ emit(sw::Shader::OPCODE_RET);
+ }
+ }
+
+ currentScope = GLOBAL;
+ }
+ break;
+ case EOpFunctionCall:
+ if(visit == PostVisit)
+ {
+ if(node->isUserDefined())
+ {
+ const TString &name = node->getName();
+ const Function &function = findFunction(name);
+ TIntermSequence &arguments = *function.arg;
+
+ for(int i = 0; i < argumentCount; i++)
+ {
+ TIntermTyped *in = arguments[i]->getAsTyped();
+
+ if(in->getQualifier() == EvqIn ||
+ in->getQualifier() == EvqInOut ||
+ in->getQualifier() == EvqConstReadOnly)
+ {
+ copy(in, arg[i]);
+ }
+ }
+
+ Instruction *call = emit(sw::Shader::OPCODE_CALL);
+ call->dst.type = sw::Shader::PARAMETER_LABEL;
+ call->dst.index = function.label;
+
+ if(function.ret && function.ret->getType().getBasicType() != EbtVoid)
+ {
+ copy(result, function.ret);
+ }
+
+ for(int i = 0; i < argumentCount; i++)
+ {
+ TIntermTyped *argument = arguments[i]->getAsTyped();
+ TIntermTyped *out = arg[i]->getAsTyped();
+
+ if(argument->getQualifier() == EvqOut ||
+ argument->getQualifier() == EvqInOut)
+ {
+ copy(out, argument);
+ }
+ }
+ }
+ else
+ {
+ TString name = TFunction::unmangleName(node->getName());
+
+ if(name == "texture2D" || name == "textureCube")
+ {
+ if(argumentCount == 2)
+ {
+ emit(sw::Shader::OPCODE_TEX, result, arg[1], arg[0]);
+ }
+ else if(argumentCount == 3) // bias
+ {
+ Temporary uvwb(this);
+ emit(sw::Shader::OPCODE_MOV, &uvwb, arg[1]);
+ Instruction *bias = emit(sw::Shader::OPCODE_MOV, &uvwb, arg[2]);
+ bias->dst.mask = 0x8;
+
+ Instruction *tex = emit(sw::Shader::OPCODE_TEX, result, &uvwb, arg[0]); // FIXME: Implement an efficient TEXLDB instruction
+ tex->bias = true;
+ }
+ else UNREACHABLE();
+ }
+ else if(name == "texture2DProj")
+ {
+ TIntermTyped *t = arg[1]->getAsTyped();
+
+ if(argumentCount == 2)
+ {
+ Instruction *tex = emit(sw::Shader::OPCODE_TEX, result, arg[1], arg[0]);
+ tex->project = true;
+
+ if(t->getNominalSize() == 3)
+ {
+ tex->src[0].swizzle = 0xA4;
+ }
+ else ASSERT(t->getNominalSize() == 4);
+ }
+ else if(argumentCount == 3) // bias
+ {
+ Temporary proj(this);
+ emit(sw::Shader::OPCODE_MOV, &proj, arg[1]);
+
+ if(t->getNominalSize() == 3)
+ {
+ Instruction *div = emit(sw::Shader::OPCODE_DIV, &proj, &proj);
+ div->src[0].swizzle = 0xAA;
+ div->dst.mask = 0x3;
+ }
+ else if(t->getNominalSize() == 4)
+ {
+ Instruction *div = emit(sw::Shader::OPCODE_DIV, &proj, &proj);
+ div->src[0].swizzle = 0xFF;
+ div->dst.mask = 0x3;
+ }
+ else UNREACHABLE();
+
+ Instruction *bias = emit(sw::Shader::OPCODE_MOV, &proj, arg[2]);
+ bias->dst.mask = 0x8;
+
+ Instruction *tex = emit(sw::Shader::OPCODE_TEX, result, &proj, arg[0]);
+ tex->bias = true;
+ }
+ else UNREACHABLE();
+ }
+ else if(name == "texture2DLod" || name == "textureCubeLod")
+ {
+ Temporary uvwb(this);
+ emit(sw::Shader::OPCODE_MOV, &uvwb, arg[1]);
+ Instruction *lod = emit(sw::Shader::OPCODE_MOV, &uvwb, arg[2]);
+ lod->dst.mask = 0x8;
+
+ emit(sw::Shader::OPCODE_TEXLDL, result, &uvwb, arg[0]);
+ }
+ else if(name == "texture2DProjLod")
+ {
+ TIntermTyped *t = arg[1]->getAsTyped();
+
+ Temporary proj(this);
+ emit(sw::Shader::OPCODE_MOV, &proj, arg[1]);
+
+ if(t->getNominalSize() == 3)
+ {
+ Instruction *div = emit(sw::Shader::OPCODE_DIV, &proj, &proj);
+ div->src[0].swizzle = 0xAA;
+ div->dst.mask = 0x3;
+ }
+ else if(t->getNominalSize() == 4)
+ {
+ Instruction *div = emit(sw::Shader::OPCODE_DIV, &proj, &proj);
+ div->src[0].swizzle = 0xFF;
+ div->dst.mask = 0x3;
+ }
+ else UNREACHABLE();
+
+ Instruction *lod = emit(sw::Shader::OPCODE_MOV, &proj, arg[2]);
+ lod->dst.mask = 0x8;
+
+ emit(sw::Shader::OPCODE_TEXLDL, result, &proj, arg[0]);
+ }
+ else UNREACHABLE();
+ }
+ }
+ break;
+ case EOpParameters: break;
+ case EOpConstructFloat:
+ case EOpConstructVec2:
+ case EOpConstructVec3:
+ case EOpConstructVec4:
+ case EOpConstructBool:
+ case EOpConstructBVec2:
+ case EOpConstructBVec3:
+ case EOpConstructBVec4:
+ case EOpConstructInt:
+ case EOpConstructIVec2:
+ case EOpConstructIVec3:
+ case EOpConstructIVec4:
+ if(visit == PostVisit)
+ {
+ int component = 0;
+
+ for(int i = 0; i < argumentCount; i++)
+ {
+ TIntermTyped *argi = arg[i]->getAsTyped();
+ int size = argi->getNominalSize();
+ ASSERT(!argi->isMatrix());
+
+ Instruction *mov = emit(sw::Shader::OPCODE_MOV, result, argi);
+ mov->dst.mask = (0xF << component) & 0xF;
+ mov->src[0].swizzle = swizzleSize[size] << (component * 2);
+
+ component += size;
+ }
+ }
+ break;
+ case EOpConstructMat2:
+ case EOpConstructMat3:
+ case EOpConstructMat4:
+ if(visit == PostVisit)
+ {
+ TIntermTyped *arg0 = arg[0]->getAsTyped();
+ const int dim = result->getNominalSize();
+
+ if(arg0->isMatrix())
+ {
+ for(int i = 0; i < dim; i++)
+ {
+ if(dim > dim2(arg0))
+ {
+ // Initialize to identity matrix
+ Constant col((i == 0 ? 1.0f : 0.0f), (i == 1 ? 1.0f : 0.0f), (i == 2 ? 1.0f : 0.0f), (i == 3 ? 1.0f : 0.0f));
+ Instruction *mov = emit(sw::Shader::OPCODE_MOV, result, &col);
+ mov->dst.index += i;
+ }
+
+ if(i < dim2(arg0))
+ {
+ Instruction *mov = emit(sw::Shader::OPCODE_MOV, result, arg0);
+ mov->dst.index += i;
+ mov->dst.mask = 0xF >> (4 - dim2(arg0));
+ argument(mov->src[0], arg0, i);
+ }
+ }
+ }
+ else
+ {
+ int column = 0;
+ int row = 0;
+
+ for(int i = 0; i < argumentCount; i++)
+ {
+ TIntermTyped *argi = arg[i]->getAsTyped();
+ int size = argi->getNominalSize();
+ int element = 0;
+
+ while(element < size)
+ {
+ Instruction *mov = emit(sw::Shader::OPCODE_MOV, result, argi);
+ mov->dst.index += column;
+ mov->dst.mask = (0xF << row) & 0xF;
+ mov->src[0].swizzle = (swizzleSize[size] << (row * 2)) + 0x55 * element;
+
+ int end = row + size - element;
+ column = end >= dim ? column + 1 : column;
+ element = element + dim - row;
+ row = end >= dim ? 0 : end;
+ }
+ }
+ }
+ }
+ break;
+ case EOpConstructStruct:
+ if(visit == PostVisit)
+ {
+ int offset = 0;
+ for(int i = 0; i < argumentCount; i++)
+ {
+ TIntermTyped *argi = arg[i]->getAsTyped();
+ int size = argi->totalRegisterCount();
+
+ for(int index = 0; index < size; index++)
+ {
+ Instruction *mov = emit(sw::Shader::OPCODE_MOV, result, argi);
+ mov->dst.index += index + offset;
+ mov->dst.mask = writeMask(result, offset + index);
+ argument(mov->src[0], argi, index);
+ }
+
+ offset += size;
+ }
+ }
+ break;
+ case EOpLessThan: if(visit == PostVisit) emitCmp(sw::Shader::CONTROL_LT, result, arg[0], arg[1]); break;
+ case EOpGreaterThan: if(visit == PostVisit) emitCmp(sw::Shader::CONTROL_GT, result, arg[0], arg[1]); break;
+ case EOpLessThanEqual: if(visit == PostVisit) emitCmp(sw::Shader::CONTROL_LE, result, arg[0], arg[1]); break;
+ case EOpGreaterThanEqual: if(visit == PostVisit) emitCmp(sw::Shader::CONTROL_GE, result, arg[0], arg[1]); break;
+ case EOpVectorEqual: if(visit == PostVisit) emitCmp(sw::Shader::CONTROL_EQ, result, arg[0], arg[1]); break;
+ case EOpVectorNotEqual: if(visit == PostVisit) emitCmp(sw::Shader::CONTROL_NE, result, arg[0], arg[1]); break;
+ case EOpMod: if(visit == PostVisit) emit(sw::Shader::OPCODE_MOD, result, arg[0], arg[1]); break;
+ case EOpPow: if(visit == PostVisit) emit(sw::Shader::OPCODE_POW, result, arg[0], arg[1]); break;
+ case EOpAtan: if(visit == PostVisit) emit(sw::Shader::OPCODE_ATAN2, result, arg[0], arg[1]); break;
+ case EOpMin: if(visit == PostVisit) emit(sw::Shader::OPCODE_MIN, result, arg[0], arg[1]); break;
+ case EOpMax: if(visit == PostVisit) emit(sw::Shader::OPCODE_MAX, result, arg[0], arg[1]); break;
+ case EOpClamp:
+ if(visit == PostVisit)
+ {
+ emit(sw::Shader::OPCODE_MAX, result, arg[0], arg[1]);
+ emit(sw::Shader::OPCODE_MIN, result, result, arg[2]);
+ }
+ break;
+ case EOpMix: if(visit == PostVisit) emit(sw::Shader::OPCODE_LRP, result, arg[2], arg[1], arg[0]); break;
+ case EOpStep: if(visit == PostVisit) emit(sw::Shader::OPCODE_STEP, result, arg[0], arg[1]); break;
+ case EOpSmoothStep: if(visit == PostVisit) emit(sw::Shader::OPCODE_SMOOTH, result, arg[0], arg[1], arg[2]); break;
+ case EOpDistance: if(visit == PostVisit) emit(sw::Shader::OPCODE_DIST(dim(arg[0])), result, arg[0], arg[1]); break;
+ case EOpDot: if(visit == PostVisit) emit(sw::Shader::OPCODE_DP(dim(arg[0])), result, arg[0], arg[1]); break;
+ case EOpCross: if(visit == PostVisit) emit(sw::Shader::OPCODE_CRS, result, arg[0], arg[1]); break;
+ case EOpFaceForward: if(visit == PostVisit) emit(sw::Shader::OPCODE_FORWARD(dim(arg[0])), result, arg[0], arg[1], arg[2]); break;
+ case EOpReflect: if(visit == PostVisit) emit(sw::Shader::OPCODE_REFLECT(dim(arg[0])), result, arg[0], arg[1]); break;
+ case EOpRefract: if(visit == PostVisit) emit(sw::Shader::OPCODE_REFRACT(dim(arg[0])), result, arg[0], arg[1], arg[2]); break;
+ case EOpMul:
+ if(visit == PostVisit)
+ {
+ ASSERT(dim2(arg[0]) == dim2(arg[1]));
+
+ for(int i = 0; i < dim2(arg[0]); i++)
+ {
+ Instruction *mul = emit(sw::Shader::OPCODE_MUL, result, arg[0], arg[1]);
+ mul->dst.index += i;
+ argument(mul->src[0], arg[0], i);
+ argument(mul->src[1], arg[1], i);
+ }
+ }
+ break;
+ default: UNREACHABLE();
+ }
+
+ return true;
+ }
+
+ bool OutputASM::visitSelection(Visit visit, TIntermSelection *node)
+ {
+ if(currentScope != emitScope)
+ {
+ return false;
+ }
+
+ TIntermTyped *condition = node->getCondition();
+ TIntermNode *trueBlock = node->getTrueBlock();
+ TIntermNode *falseBlock = node->getFalseBlock();
+ TIntermConstantUnion *constantCondition = condition->getAsConstantUnion();
+
+ condition->traverse(this);
+
+ if(node->usesTernaryOperator())
+ {
+ if(constantCondition)
+ {
+ bool trueCondition = constantCondition->getUnionArrayPointer()->getBConst();
+
+ if(trueCondition)
+ {
+ trueBlock->traverse(this);
+ copy(node, trueBlock);
+ }
+ else
+ {
+ falseBlock->traverse(this);
+ copy(node, falseBlock);
+ }
+ }
+ else if(trivial(node, 6)) // Fast to compute both potential results and no side effects
+ {
+ trueBlock->traverse(this);
+ falseBlock->traverse(this);
+ emit(sw::Shader::OPCODE_SELECT, node, condition, trueBlock, falseBlock);
+ }
+ else
+ {
+ emit(sw::Shader::OPCODE_IF, 0, condition);
+
+ if(trueBlock)
+ {
+ trueBlock->traverse(this);
+ copy(node, trueBlock);
+ }
+
+ if(falseBlock)
+ {
+ emit(sw::Shader::OPCODE_ELSE);
+ falseBlock->traverse(this);
+ copy(node, falseBlock);
+ }
+
+ emit(sw::Shader::OPCODE_ENDIF);
+ }
+ }
+ else // if/else statement
+ {
+ if(constantCondition)
+ {
+ bool trueCondition = constantCondition->getUnionArrayPointer()->getBConst();
+
+ if(trueCondition)
+ {
+ if(trueBlock)
+ {
+ trueBlock->traverse(this);
+ }
+ }
+ else
+ {
+ if(falseBlock)
+ {
+ falseBlock->traverse(this);
+ }
+ }
+ }
+ else
+ {
+ emit(sw::Shader::OPCODE_IF, 0, condition);
+
+ if(trueBlock)
+ {
+ trueBlock->traverse(this);
+ }
+
+ if(falseBlock)
+ {
+ emit(sw::Shader::OPCODE_ELSE);
+ falseBlock->traverse(this);
+ }
+
+ emit(sw::Shader::OPCODE_ENDIF);
+ }
+ }
+
+ return false;
+ }
+
+ bool OutputASM::visitLoop(Visit visit, TIntermLoop *node)
+ {
+ if(currentScope != emitScope)
+ {
+ return false;
+ }
+
+ TIntermNode *init = node->getInit();
+ TIntermTyped *condition = node->getCondition();
+ TIntermTyped *expression = node->getExpression();
+ TIntermNode *body = node->getBody();
+
+ if(node->getType() == ELoopDoWhile)
+ {
+ Temporary iterate(this);
+ Constant True(true);
+ emit(sw::Shader::OPCODE_MOV, &iterate, &True);
+
+ emit(sw::Shader::OPCODE_WHILE, 0, &iterate); // FIXME: Implement real do-while
+
+ if(body)
+ {
+ body->traverse(this);
+ }
+
+ emit(sw::Shader::OPCODE_TEST);
+
+ condition->traverse(this);
+ emit(sw::Shader::OPCODE_MOV, &iterate, condition);
+
+ emit(sw::Shader::OPCODE_ENDWHILE);
+ }
+ else
+ {
+ if(init)
+ {
+ init->traverse(this);
+ }
+
+ condition->traverse(this);
+
+ emit(sw::Shader::OPCODE_WHILE, 0, condition);
+
+ if(body)
+ {
+ body->traverse(this);
+ }
+
+ emit(sw::Shader::OPCODE_TEST);
+
+ if(expression)
+ {
+ expression->traverse(this);
+ }
+
+ condition->traverse(this);
+
+ emit(sw::Shader::OPCODE_ENDWHILE);
+ }
+
+ return false;
+ }
+
+ bool OutputASM::visitBranch(Visit visit, TIntermBranch *node)
+ {
+ if(currentScope != emitScope)
+ {
+ return false;
+ }
+
+ switch(node->getFlowOp())
+ {
+ case EOpKill: if(visit == PostVisit) emit(sw::Shader::OPCODE_DISCARD); break;
+ case EOpBreak: if(visit == PostVisit) emit(sw::Shader::OPCODE_BREAK); break;
+ case EOpContinue: if(visit == PostVisit) emit(sw::Shader::OPCODE_CONTINUE); break;
+ case EOpReturn:
+ if(visit == PostVisit)
+ {
+ TIntermTyped *value = node->getExpression();
+
+ if(value)
+ {
+ copy(functionArray[currentFunction].ret, value);
+ }
+
+ emit(sw::Shader::OPCODE_LEAVE);
+ }
+ break;
+ default: UNREACHABLE();
+ }
+
+ return true;
+ }
+
+ Instruction *OutputASM::emit(sw::Shader::Opcode op, TIntermTyped *dst, TIntermNode *src0, TIntermNode *src1, TIntermNode *src2)
+ {
+ if(dst && registerType(dst) == sw::Shader::PARAMETER_SAMPLER)
+ {
+ op = sw::Shader::OPCODE_NOP; // Can't assign to a sampler, but this will be hit when indexing sampler arrays
+ }
+
+ Instruction *instruction = new Instruction(op);
+
+ if(dst)
+ {
+ instruction->dst.type = registerType(dst);
+ instruction->dst.index = registerIndex(dst);
+ instruction->dst.mask = writeMask(dst);
+ instruction->dst.integer = (dst->getBasicType() == EbtInt);
+ }
+
+ argument(instruction->src[0], src0);
+ argument(instruction->src[1], src1);
+ argument(instruction->src[2], src2);
+
+ shader->append(instruction);
+
+ return instruction;
+ }
+
+ void OutputASM::emitAssign(sw::Shader::Opcode op, TIntermTyped *result, TIntermTyped *lhs, TIntermTyped *src0, TIntermTyped *src1)
+ {
+ emit(op, result, src0, src1);
+ assignLvalue(lhs, result);
+ }
+
+ void OutputASM::emitCmp(sw::Shader::Control cmpOp, TIntermTyped *dst, TIntermNode *left, TIntermNode *right, int index)
+ {
+ bool boolean = (left->getAsTyped()->getBasicType() == EbtBool);
+ sw::Shader::Opcode opcode = boolean ? sw::Shader::OPCODE_ICMP : sw::Shader::OPCODE_CMP;
+
+ Instruction *cmp = emit(opcode, dst, left, right);
+ cmp->control = cmpOp;
+ argument(cmp->src[0], left, index);
+ argument(cmp->src[1], right, index);
+ }
+
+ int componentCount(const TType &type, int registers)
+ {
+ if(registers == 0)
+ {
+ return 0;
+ }
+
+ if(type.isArray() && registers >= type.elementRegisterCount())
+ {
+ int index = registers / type.elementRegisterCount();
+ registers -= index * type.elementRegisterCount();
+ return index * type.getElementSize() + componentCount(type, registers);
+ }
+
+ if(type.isStruct())
+ {
+ TTypeList *structure = type.getStruct();
+ int elements = 0;
+
+ for(TTypeList::const_iterator field = structure->begin(); field != structure->end(); field++)
+ {
+ const TType &fieldType = *field->type;
+
+ if(fieldType.totalRegisterCount() <= registers)
+ {
+ registers -= fieldType.totalRegisterCount();
+ elements += fieldType.getObjectSize();
+ }
+ else // Register within this field
+ {
+ return elements + componentCount(fieldType, registers);
+ }
+ }
+ }
+ else if(type.isMatrix())
+ {
+ return registers * type.getNominalSize();
+ }
+
+ UNREACHABLE();
+ return 0;
+ }
+
+ int registerSize(const TType &type, int registers)
+ {
+ if(registers == 0)
+ {
+ if(type.isStruct())
+ {
+ return registerSize(*type.getStruct()->begin()->type, 0);
+ }
+
+ return type.getNominalSize();
+ }
+
+ if(type.isArray() && registers >= type.elementRegisterCount())
+ {
+ int index = registers / type.elementRegisterCount();
+ registers -= index * type.elementRegisterCount();
+ return registerSize(type, registers);
+ }
+
+ if(type.isStruct())
+ {
+ TTypeList *structure = type.getStruct();
+ int elements = 0;
+
+ for(TTypeList::const_iterator field = structure->begin(); field != structure->end(); field++)
+ {
+ const TType &fieldType = *field->type;
+
+ if(fieldType.totalRegisterCount() <= registers)
+ {
+ registers -= fieldType.totalRegisterCount();
+ elements += fieldType.getObjectSize();
+ }
+ else // Register within this field
+ {
+ return registerSize(fieldType, registers);
+ }
+ }
+ }
+ else if(type.isMatrix())
+ {
+ return registerSize(type, 0);
+ }
+
+ UNREACHABLE();
+ return 0;
+ }
+
+ void OutputASM::argument(sw::Shader::SourceParameter ¶meter, TIntermNode *argument, int index)
+ {
+ if(argument)
+ {
+ TIntermTyped *arg = argument->getAsTyped();
+ const TType &type = arg->getType();
+ const TTypeList *structure = type.getStruct();
+ ASSERT(index < arg->totalRegisterCount());
+
+ int size = registerSize(type, index);
+
+ parameter.type = registerType(arg);
+
+ if(arg->getQualifier() == EvqConst)
+ {
+ int component = componentCount(type, index);
+ ConstantUnion *constants = arg->getAsConstantUnion()->getUnionArrayPointer();
+
+ for(int i = 0; i < 4; i++)
+ {
+ if(size == 1) // Replicate
+ {
+ parameter.value[i] = constants[component + 0].getAsFloat();
+ }
+ else if(i < size)
+ {
+ parameter.value[i] = constants[component + i].getAsFloat();
+ }
+ else
+ {
+ parameter.value[i] = 0.0f;
+ }
+ }
+ }
+ else
+ {
+ parameter.index = registerIndex(arg) + index;
+
+ if(registerType(arg) == sw::Shader::PARAMETER_SAMPLER)
+ {
+ TIntermBinary *binary = argument->getAsBinaryNode();
+
+ if(binary)
+ {
+ TIntermTyped *left = binary->getLeft();
+ TIntermTyped *right = binary->getRight();
+
+ if(binary->getOp() == EOpIndexDirect)
+ {
+ parameter.index += right->getAsConstantUnion()->getUnionArrayPointer()->getIConst();
+ }
+ else if(binary->getOp() == EOpIndexIndirect)
+ {
+ if(left->getArraySize() > 1)
+ {
+ parameter.rel.type = registerType(binary->getRight());
+ parameter.rel.index = registerIndex(binary->getRight());
+ parameter.rel.scale = 1;
+ parameter.rel.deterministic = true;
+ }
+ }
+ else UNREACHABLE();
+ }
+ }
+ }
+
+ if(!IsSampler(arg->getBasicType()))
+ {
+ parameter.swizzle = swizzleSize[size];
+ }
+ }
+ }
+
+ void OutputASM::copy(TIntermTyped *dst, TIntermNode *src, int offset)
+ {
+ for(int index = 0; index < dst->totalRegisterCount(); index++)
+ {
+ Instruction *mov = emit(sw::Shader::OPCODE_MOV, dst, src);
+ mov->dst.index += index;
+ mov->dst.mask = writeMask(dst, index);
+ argument(mov->src[0], src, offset + index);
+ }
+ }
+
+ int swizzleElement(int swizzle, int index)
+ {
+ return (swizzle >> (index * 2)) & 0x03;
+ }
+
+ int swizzleSwizzle(int leftSwizzle, int rightSwizzle)
+ {
+ return (swizzleElement(leftSwizzle, swizzleElement(rightSwizzle, 0)) << 0) |
+ (swizzleElement(leftSwizzle, swizzleElement(rightSwizzle, 1)) << 2) |
+ (swizzleElement(leftSwizzle, swizzleElement(rightSwizzle, 2)) << 4) |
+ (swizzleElement(leftSwizzle, swizzleElement(rightSwizzle, 3)) << 6);
+ }
+
+ void OutputASM::assignLvalue(TIntermTyped *dst, TIntermNode *src)
+ {
+ TIntermBinary *binary = dst->getAsBinaryNode();
+
+ if(binary && binary->getOp() == EOpIndexIndirect && dst->isScalar())
+ {
+ Instruction *insert = new Instruction(sw::Shader::OPCODE_INSERT);
+
+ Temporary address(this);
+ lvalue(insert->dst, address, dst);
+
+ insert->src[0].type = insert->dst.type;
+ insert->src[0].index = insert->dst.index;
+ insert->src[0].rel = insert->dst.rel;
+ argument(insert->src[1], src);
+ argument(insert->src[2], binary->getRight());
+
+ shader->append(insert);
+ }
+ else
+ {
+ for(int offset = 0; offset < dst->totalRegisterCount(); offset++)
+ {
+ Instruction *mov = new Instruction(sw::Shader::OPCODE_MOV);
+
+ Temporary address(this);
+ int swizzle = lvalue(mov->dst, address, dst);
+ mov->dst.index += offset;
+
+ if(offset > 0)
+ {
+ mov->dst.mask = writeMask(dst, offset);
+ }
+
+ argument(mov->src[0], src, offset);
+ mov->src[0].swizzle = swizzleSwizzle(mov->src[0].swizzle, swizzle);
+
+ shader->append(mov);
+ }
+ }
+ }
+
+ int OutputASM::lvalue(sw::Shader::DestinationParameter &dst, Temporary &address, TIntermTyped *node)
+ {
+ TIntermTyped *result = node;
+ TIntermBinary *binary = node->getAsBinaryNode();
+ TIntermSymbol *symbol = node->getAsSymbolNode();
+
+ if(binary)
+ {
+ TIntermTyped *left = binary->getLeft();
+ TIntermTyped *right = binary->getRight();
+
+ int leftSwizzle = lvalue(dst, address, left); // Resolve the l-value of the left side
+
+ switch(binary->getOp())
+ {
+ case EOpIndexDirect:
+ {
+ int rightIndex = right->getAsConstantUnion()->getUnionArrayPointer()->getIConst();
+
+ if(left->isRegister())
+ {
+ int leftMask = dst.mask;
+
+ dst.mask = 1;
+ while((leftMask & dst.mask) == 0)
+ {
+ dst.mask = dst.mask << 1;
+ }
+
+ int element = swizzleElement(leftSwizzle, rightIndex);
+ dst.mask = 1 << element;
+
+ return element;
+ }
+ else if(left->isArray() || left->isMatrix())
+ {
+ dst.index += rightIndex * result->totalRegisterCount();
+ return 0xE4;
+ }
+ else UNREACHABLE();
+ }
+ break;
+ case EOpIndexIndirect:
+ {
+ if(left->isRegister())
+ {
+ // Requires INSERT instruction (handled by calling function)
+ }
+ else if(left->isArray() || left->isMatrix())
+ {
+ int scale = result->totalRegisterCount();
+
+ if(dst.rel.type == sw::Shader::PARAMETER_VOID) // Use the index register as the relative address directly
+ {
+ if(left->totalRegisterCount() > 1)
+ {
+ sw::Shader::SourceParameter relativeRegister;
+ argument(relativeRegister, right);
+
+ dst.rel.index = relativeRegister.index;
+ dst.rel.type = relativeRegister.type;
+ dst.rel.scale = scale;
+ dst.rel.deterministic = !(vertexShader && left->getQualifier() == EvqUniform);
+ }
+ }
+ else if(dst.rel.index != registerIndex(&address)) // Move the previous index register to the address register
+ {
+ if(scale == 1)
+ {
+ Constant oldScale((int)dst.rel.scale);
+ Instruction *mad = emit(sw::Shader::OPCODE_MAD, &address, &address, &oldScale, right);
+ mad->src[0].index = dst.rel.index;
+ mad->src[0].type = dst.rel.type;
+ }
+ else
+ {
+ Constant oldScale((int)dst.rel.scale);
+ Instruction *mul = emit(sw::Shader::OPCODE_MUL, &address, &address, &oldScale);
+ mul->src[0].index = dst.rel.index;
+ mul->src[0].type = dst.rel.type;
+
+ Constant newScale(scale);
+ emit(sw::Shader::OPCODE_MAD, &address, right, &newScale, &address);
+ }
+
+ dst.rel.type = sw::Shader::PARAMETER_TEMP;
+ dst.rel.index = registerIndex(&address);
+ dst.rel.scale = 1;
+ }
+ else // Just add the new index to the address register
+ {
+ if(scale == 1)
+ {
+ emit(sw::Shader::OPCODE_ADD, &address, &address, right);
+ }
+ else
+ {
+ Constant newScale(scale);
+ emit(sw::Shader::OPCODE_MAD, &address, right, &newScale, &address);
+ }
+ }
+ }
+ else UNREACHABLE();
+ }
+ break;
+ case EOpIndexDirectStruct:
+ {
+ const TTypeList *structure = left->getType().getStruct();
+ const TString &fieldName = right->getType().getFieldName();
+
+ int offset = 0;
+ for(TTypeList::const_iterator field = structure->begin(); field != structure->end(); field++)
+ {
+ if(field->type->getFieldName() == fieldName)
+ {
+ dst.type = registerType(left);
+ dst.index += offset;
+ dst.mask = writeMask(right);
+
+ return 0xE4;
+ }
+
+ offset += field->type->totalRegisterCount();
+ }
+ }
+ break;
+ case EOpVectorSwizzle:
+ {
+ ASSERT(left->isRegister());
+
+ int leftMask = dst.mask;
+
+ int swizzle = 0;
+ int rightMask = 0;
+
+ TIntermSequence &sequence = right->getAsAggregate()->getSequence();
+
+ for(unsigned int i = 0; i < sequence.size(); i++)
+ {
+ int index = sequence[i]->getAsConstantUnion()->getUnionArrayPointer()->getIConst();
+
+ int element = swizzleElement(leftSwizzle, index);
+ rightMask = rightMask | (1 << element);
+ swizzle = swizzle | swizzleElement(leftSwizzle, i) << (element * 2);
+ }
+
+ dst.mask = leftMask & rightMask;
+
+ return swizzle;
+ }
+ break;
+ default:
+ UNREACHABLE(); // Not an l-value operator
+ break;
+ }
+ }
+ else if(symbol)
+ {
+ dst.type = registerType(symbol);
+ dst.index = registerIndex(symbol);
+ dst.mask = writeMask(symbol);
+ return 0xE4;
+ }
+
+ return 0xE4;
+ }
+
+ sw::Shader::ParameterType OutputASM::registerType(TIntermTyped *operand)
+ {
+ if(IsSampler(operand->getBasicType()) && (operand->getQualifier() == EvqUniform || operand->getQualifier() == EvqTemporary)) // Function parameters are temporaries
+ {
+ return sw::Shader::PARAMETER_SAMPLER;
+ }
+
+ switch(operand->getQualifier())
+ {
+ case EvqTemporary: return sw::Shader::PARAMETER_TEMP;
+ case EvqGlobal: return sw::Shader::PARAMETER_TEMP;
+ case EvqConst: return sw::Shader::PARAMETER_FLOAT4LITERAL; // All converted to float
+ case EvqAttribute: return sw::Shader::PARAMETER_INPUT;
+ case EvqVaryingIn: return sw::Shader::PARAMETER_INPUT;
+ case EvqVaryingOut: return sw::Shader::PARAMETER_OUTPUT;
+ case EvqInvariantVaryingIn: return sw::Shader::PARAMETER_INPUT; // FIXME: Guarantee invariance at the backend
+ case EvqInvariantVaryingOut: return sw::Shader::PARAMETER_OUTPUT; // FIXME: Guarantee invariance at the backend
+ case EvqUniform: return sw::Shader::PARAMETER_CONST;
+ case EvqIn: return sw::Shader::PARAMETER_TEMP;
+ case EvqOut: return sw::Shader::PARAMETER_TEMP;
+ case EvqInOut: return sw::Shader::PARAMETER_TEMP;
+ case EvqConstReadOnly: return sw::Shader::PARAMETER_TEMP;
+ case EvqPosition: return sw::Shader::PARAMETER_OUTPUT;
+ case EvqPointSize: return sw::Shader::PARAMETER_OUTPUT;
+ case EvqFragCoord: return sw::Shader::PARAMETER_MISCTYPE;
+ case EvqFrontFacing: return sw::Shader::PARAMETER_MISCTYPE;
+ case EvqPointCoord: return sw::Shader::PARAMETER_INPUT;
+ case EvqFragColor: return sw::Shader::PARAMETER_COLOROUT;
+ case EvqFragData: return sw::Shader::PARAMETER_COLOROUT;
+ default: UNREACHABLE();
+ }
+
+ return sw::Shader::PARAMETER_VOID;
+ }
+
+ int OutputASM::registerIndex(TIntermTyped *operand)
+ {
+ if(registerType(operand) == sw::Shader::PARAMETER_SAMPLER)
+ {
+ return samplerRegister(operand);
+ }
+
+ switch(operand->getQualifier())
+ {
+ case EvqTemporary: return temporaryRegister(operand);
+ case EvqGlobal: return temporaryRegister(operand);
+ case EvqConst: UNREACHABLE();
+ case EvqAttribute: return attributeRegister(operand);
+ case EvqVaryingIn: return varyingRegister(operand);
+ case EvqVaryingOut: return varyingRegister(operand);
+ case EvqInvariantVaryingIn: return varyingRegister(operand);
+ case EvqInvariantVaryingOut: return varyingRegister(operand);
+ case EvqUniform: return uniformRegister(operand);
+ case EvqIn: return temporaryRegister(operand);
+ case EvqOut: return temporaryRegister(operand);
+ case EvqInOut: return temporaryRegister(operand);
+ case EvqConstReadOnly: return temporaryRegister(operand);
+ case EvqPosition: return varyingRegister(operand);
+ case EvqPointSize: return varyingRegister(operand);
+ case EvqFragCoord: pixelShader->vPosDeclared = true; return 0;
+ case EvqFrontFacing: pixelShader->vFaceDeclared = true; return 1;
+ case EvqPointCoord: return varyingRegister(operand);
+ case EvqFragColor: return 0;
+ case EvqFragData: return 0;
+ default: UNREACHABLE();
+ }
+
+ return 0;
+ }
+
+ int OutputASM::writeMask(TIntermTyped *destination, int index)
+ {
+ if(destination->getQualifier() == EvqPointSize)
+ {
+ return 0x2; // Point size stored in the y component
+ }
+
+ return 0xF >> (4 - registerSize(destination->getType(), index));
+ }
+
+ // Conservatively checks whether an expression is fast to compute and has no side effects
+ bool OutputASM::trivial(TIntermTyped *expression, int budget)
+ {
+ if(!expression->isRegister())
+ {
+ return false;
+ }
+
+ return cost(expression, budget) >= 0;
+ }
+
+ // Returns the remaining computing budget (if < 0 the expression is too expensive or has side effects)
+ int OutputASM::cost(TIntermNode *expression, int budget)
+ {
+ if(budget < 0)
+ {
+ return budget;
+ }
+
+ if(expression->getAsSymbolNode())
+ {
+ return budget;
+ }
+ else if(expression->getAsConstantUnion())
+ {
+ return budget;
+ }
+ else if(expression->getAsBinaryNode())
+ {
+ TIntermBinary *binary = expression->getAsBinaryNode();
+
+ switch(binary->getOp())
+ {
+ case EOpVectorSwizzle:
+ case EOpIndexDirect:
+ case EOpIndexDirectStruct:
+ return cost(binary->getLeft(), budget - 0);
+ case EOpAdd:
+ case EOpSub:
+ case EOpMul:
+ return cost(binary->getLeft(), cost(binary->getRight(), budget - 1));
+ default:
+ return -1;
+ }
+ }
+ else if(expression->getAsUnaryNode())
+ {
+ TIntermUnary *unary = expression->getAsUnaryNode();
+
+ switch(unary->getOp())
+ {
+ case EOpAbs:
+ case EOpNegative:
+ return cost(unary->getOperand(), budget - 1);
+ default:
+ return -1;
+ }
+ }
+ else if(expression->getAsSelectionNode())
+ {
+ TIntermSelection *selection = expression->getAsSelectionNode();
+
+ if(selection->usesTernaryOperator())
+ {
+ TIntermTyped *condition = selection->getCondition();
+ TIntermNode *trueBlock = selection->getTrueBlock();
+ TIntermNode *falseBlock = selection->getFalseBlock();
+ TIntermConstantUnion *constantCondition = condition->getAsConstantUnion();
+
+ if(constantCondition)
+ {
+ bool trueCondition = constantCondition->getUnionArrayPointer()->getBConst();
+
+ if(trueCondition)
+ {
+ return cost(trueBlock, budget - 0);
+ }
+ else
+ {
+ return cost(falseBlock, budget - 0);
+ }
+ }
+ else
+ {
+ return cost(trueBlock, cost(falseBlock, budget - 2));
+ }
+ }
+ }
+
+ return -1;
+ }
+
+ const Function &OutputASM::findFunction(const TString &name)
+ {
+ for(unsigned int f = 0; f < functionArray.size(); f++)
+ {
+ if(functionArray[f].name == name)
+ {
+ return functionArray[f];
+ }
+ }
+
+ UNREACHABLE();
+ return functionArray[0];
+ }
+
+ int OutputASM::temporaryRegister(TIntermTyped *temporary)
+ {
+ return allocate(temporaries, temporary);
+ }
+
+ int OutputASM::varyingRegister(TIntermTyped *varying)
+ {
+ int var = lookup(varyings, varying);
+
+ if(var == -1)
+ {
+ var = allocate(varyings, varying);
+ int componentCount = varying->getNominalSize();
+ int registerCount = varying->totalRegisterCount();
+
+ if(pixelShader && (var + registerCount) <= sw::PixelShader::MAX_INPUT_VARYINGS)
+ {
+ if(varying->getQualifier() == EvqPointCoord)
+ {
+ ASSERT(varying->isRegister());
+ if(componentCount >= 1) pixelShader->semantic[var][0] = sw::Shader::Semantic(sw::Shader::USAGE_TEXCOORD, var);
+ if(componentCount >= 2) pixelShader->semantic[var][1] = sw::Shader::Semantic(sw::Shader::USAGE_TEXCOORD, var);
+ if(componentCount >= 3) pixelShader->semantic[var][2] = sw::Shader::Semantic(sw::Shader::USAGE_TEXCOORD, var);
+ if(componentCount >= 4) pixelShader->semantic[var][3] = sw::Shader::Semantic(sw::Shader::USAGE_TEXCOORD, var);
+ }
+ else
+ {
+ for(int i = 0; i < varying->totalRegisterCount(); i++)
+ {
+ if(componentCount >= 1) pixelShader->semantic[var + i][0] = sw::Shader::Semantic(sw::Shader::USAGE_COLOR, var + i);
+ if(componentCount >= 2) pixelShader->semantic[var + i][1] = sw::Shader::Semantic(sw::Shader::USAGE_COLOR, var + i);
+ if(componentCount >= 3) pixelShader->semantic[var + i][2] = sw::Shader::Semantic(sw::Shader::USAGE_COLOR, var + i);
+ if(componentCount >= 4) pixelShader->semantic[var + i][3] = sw::Shader::Semantic(sw::Shader::USAGE_COLOR, var + i);
+ }
+ }
+ }
+ else if(vertexShader && (var + registerCount) <= sw::VertexShader::MAX_OUTPUT_VARYINGS)
+ {
+ if(varying->getQualifier() == EvqPosition)
+ {
+ ASSERT(varying->isRegister());
+ vertexShader->output[var][0] = sw::Shader::Semantic(sw::Shader::USAGE_POSITION, 0);
+ vertexShader->output[var][1] = sw::Shader::Semantic(sw::Shader::USAGE_POSITION, 0);
+ vertexShader->output[var][2] = sw::Shader::Semantic(sw::Shader::USAGE_POSITION, 0);
+ vertexShader->output[var][3] = sw::Shader::Semantic(sw::Shader::USAGE_POSITION, 0);
+ vertexShader->positionRegister = var;
+ }
+ else if(varying->getQualifier() == EvqPointSize)
+ {
+ ASSERT(varying->isRegister());
+ vertexShader->output[var][0] = sw::Shader::Semantic(sw::Shader::USAGE_PSIZE, 0);
+ vertexShader->output[var][1] = sw::Shader::Semantic(sw::Shader::USAGE_PSIZE, 0);
+ vertexShader->output[var][2] = sw::Shader::Semantic(sw::Shader::USAGE_PSIZE, 0);
+ vertexShader->output[var][3] = sw::Shader::Semantic(sw::Shader::USAGE_PSIZE, 0);
+ vertexShader->pointSizeRegister = var;
+ }
+ else
+ {
+ // Semantic indexes for user varyings will be assigned during program link to match the pixel shader
+ }
+ }
+ else UNREACHABLE();
+
+ declareVarying(varying, var);
+ }
+
+ return var;
+ }
+
+ void OutputASM::declareVarying(TIntermTyped *varying, int reg)
+ {
+ if(varying->getQualifier() != EvqPointCoord) // gl_PointCoord does not need linking
+ {
+ const TType &type = varying->getType();
+ const char *name = varying->getAsSymbolNode()->getSymbol().c_str();
+ gl::VaryingList &activeVaryings = shaderObject->varyings;
+
+ // Check if this varying has been declared before without having a register assigned
+ for(gl::VaryingList::iterator v = activeVaryings.begin(); v != activeVaryings.end(); v++)
+ {
+ if(v->name == name)
+ {
+ if(reg >= 0)
+ {
+ ASSERT(v->reg < 0 || v->reg == reg);
+ v->reg = reg;
+ }
+
+ return;
+ }
+ }
+
+ activeVaryings.push_back(gl::Varying(glVariableType(type), name, varying->getArraySize(), reg, 0));
+ }
+ }
+
+ int OutputASM::uniformRegister(TIntermTyped *uniform)
+ {
+ const TType &type = uniform->getType();
+ ASSERT(!IsSampler(type.getBasicType()));
+ TIntermSymbol *symbol = uniform->getAsSymbolNode();
+ ASSERT(symbol);
+
+ if(symbol)
+ {
+ int index = lookup(uniforms, uniform);
+
+ if(index == -1)
+ {
+ index = allocate(uniforms, uniform);
+ const TString &name = symbol->getSymbol().c_str();
+
+ declareUniform(type, name, index);
+ }
+
+ return index;
+ }
+
+ return 0;
+ }
+
+ int OutputASM::attributeRegister(TIntermTyped *attribute)
+ {
+ ASSERT(!attribute->isArray());
+ ASSERT(attribute->getBasicType() == EbtFloat);
+
+ int index = lookup(attributes, attribute);
+
+ if(index == -1)
+ {
+ TIntermSymbol *symbol = attribute->getAsSymbolNode();
+ ASSERT(symbol);
+
+ if(symbol)
+ {
+ index = allocate(attributes, attribute);
+ const TType &type = attribute->getType();
+ int registerCount = attribute->totalRegisterCount();
+
+ if(vertexShader && (index + registerCount) <= sw::VertexShader::MAX_INPUT_ATTRIBUTES)
+ {
+ for(int i = 0; i < registerCount; i++)
+ {
+ vertexShader->input[index + i] = sw::Shader::Semantic(sw::Shader::USAGE_TEXCOORD, index + i);
+ }
+ }
+
+ ActiveAttributes &activeAttributes = shaderObject->activeAttributes;
+
+ const char *name = symbol->getSymbol().c_str();
+ activeAttributes.push_back(Attribute(glVariableType(type), name, 0, index));
+ }
+ }
+
+ return index;
+ }
+
+ int OutputASM::samplerRegister(TIntermTyped *sampler)
+ {
+ const TType &type = sampler->getType();
+ ASSERT(IsSampler(type.getBasicType()));
+ TIntermSymbol *symbol = sampler->getAsSymbolNode();
+ TIntermBinary *binary = sampler->getAsBinaryNode();
+
+ if(symbol)
+ {
+ int index = lookup(samplers, sampler);
+
+ if(index == -1)
+ {
+ index = allocate(samplers, sampler);
+ ActiveUniforms &activeUniforms = shaderObject->activeUniforms;
+ const char *name = symbol->getSymbol().c_str();
+ activeUniforms.push_back(Uniform(glVariableType(type), name, sampler->getArraySize(), index));
+
+ for(int i = 0; i < sampler->totalRegisterCount(); i++)
+ {
+ shader->declareSampler(index + i);
+ }
+ }
+
+ return index;
+ }
+ else if(binary)
+ {
+ ASSERT(binary->getOp() == EOpIndexDirect || binary->getOp() == EOpIndexIndirect);
+
+ return samplerRegister(binary->getLeft()); // Index added later
+ }
+ else UNREACHABLE();
+
+ return 0;
+ }
+
+ int OutputASM::lookup(VariableArray &list, TIntermTyped *variable)
+ {
+ for(unsigned int i = 0; i < list.size(); i++)
+ {
+ if(list[i] == variable)
+ {
+ return i; // Pointer match
+ }
+ }
+
+ TIntermSymbol *varSymbol = variable->getAsSymbolNode();
+
+ if(varSymbol)
+ {
+ for(unsigned int i = 0; i < list.size(); i++)
+ {
+ if(list[i])
+ {
+ TIntermSymbol *listSymbol = list[i]->getAsSymbolNode();
+
+ if(listSymbol)
+ {
+ if(listSymbol->getId() == varSymbol->getId())
+ {
+ ASSERT(listSymbol->getSymbol() == varSymbol->getSymbol());
+ ASSERT(listSymbol->getType() == varSymbol->getType());
+ ASSERT(listSymbol->getQualifier() == varSymbol->getQualifier());
+
+ return i;
+ }
+ }
+ }
+ }
+ }
+
+ return -1;
+ }
+
+ int OutputASM::allocate(VariableArray &list, TIntermTyped *variable)
+ {
+ int index = lookup(list, variable);
+
+ if(index == -1)
+ {
+ unsigned int registerCount = variable->totalRegisterCount();
+
+ for(unsigned int i = 0; i < list.size(); i++)
+ {
+ if(list[i] == 0)
+ {
+ unsigned int j = 1;
+ for( ; j < registerCount && (i + j) < list.size(); j++)
+ {
+ if(list[i + j] != 0)
+ {
+ break;
+ }
+ }
+
+ if(j == registerCount) // Found free slots
+ {
+ for(unsigned int j = 0; j < registerCount; j++)
+ {
+ list[i + j] = variable;
+ }
+
+ return i;
+ }
+ }
+ }
+
+ index = list.size();
+
+ for(unsigned int i = 0; i < registerCount; i++)
+ {
+ list.push_back(variable);
+ }
+ }
+
+ return index;
+ }
+
+ void OutputASM::free(VariableArray &list, TIntermTyped *variable)
+ {
+ int index = lookup(list, variable);
+
+ if(index >= 0)
+ {
+ list[index] = 0;
+ }
+ }
+
+ void OutputASM::declareUniform(const TType &type, const TString &name, int index)
+ {
+ const TTypeList *structure = type.getStruct();
+ ActiveUniforms &activeUniforms = shaderObject->activeUniforms;
+
+ if(!structure)
+ {
+ activeUniforms.push_back(Uniform(glVariableType(type), name.c_str(), type.getArraySize(), index));
+ }
+ else
+ {
+ if(type.isArray())
+ {
+ int elementIndex = index;
+
+ for(int i = 0; i < type.getArraySize(); i++)
+ {
+ for(size_t j = 0; j < structure->size(); j++)
+ {
+ const TType &fieldType = *(*structure)[j].type;
+ const TString &fieldName = fieldType.getFieldName();
+
+ const TString uniformName = name + "[" + str(i) + "]." + fieldName;
+ declareUniform(fieldType, uniformName, elementIndex);
+ elementIndex += fieldType.totalRegisterCount();
+ }
+ }
+ }
+ else
+ {
+ int fieldIndex = index;
+
+ for(size_t i = 0; i < structure->size(); i++)
+ {
+ const TType &fieldType = *(*structure)[i].type;
+ const TString &fieldName = fieldType.getFieldName();
+
+ const TString uniformName = name + "." + fieldName;
+ declareUniform(fieldType, uniformName, fieldIndex);
+ fieldIndex += fieldType.totalRegisterCount();
+ }
+ }
+ }
+ }
+
+ GLenum OutputASM::glVariableType(const TType &type)
+ {
+ if(type.getBasicType() == EbtFloat)
+ {
+ if(type.isScalar())
+ {
+ return GL_FLOAT;
+ }
+ else if(type.isVector())
+ {
+ switch(type.getNominalSize())
+ {
+ case 2: return GL_FLOAT_VEC2;
+ case 3: return GL_FLOAT_VEC3;
+ case 4: return GL_FLOAT_VEC4;
+ default: UNREACHABLE();
+ }
+ }
+ else if(type.isMatrix())
+ {
+ switch(type.getNominalSize())
+ {
+ case 2: return GL_FLOAT_MAT2;
+ case 3: return GL_FLOAT_MAT3;
+ case 4: return GL_FLOAT_MAT4;
+ default: UNREACHABLE();
+ }
+ }
+ else UNREACHABLE();
+ }
+ else if(type.getBasicType() == EbtInt)
+ {
+ if(type.isScalar())
+ {
+ return GL_INT;
+ }
+ else if(type.isVector())
+ {
+ switch(type.getNominalSize())
+ {
+ case 2: return GL_INT_VEC2;
+ case 3: return GL_INT_VEC3;
+ case 4: return GL_INT_VEC4;
+ default: UNREACHABLE();
+ }
+ }
+ else UNREACHABLE();
+ }
+ else if(type.getBasicType() == EbtBool)
+ {
+ if(type.isScalar())
+ {
+ return GL_BOOL;
+ }
+ else if(type.isVector())
+ {
+ switch(type.getNominalSize())
+ {
+ case 2: return GL_BOOL_VEC2;
+ case 3: return GL_BOOL_VEC3;
+ case 4: return GL_BOOL_VEC4;
+ default: UNREACHABLE();
+ }
+ }
+ else UNREACHABLE();
+ }
+ else if(type.getBasicType() == EbtSampler2D)
+ {
+ return GL_SAMPLER_2D;
+ }
+ else if(type.getBasicType() == EbtSamplerCube)
+ {
+ return GL_SAMPLER_CUBE;
+ }
+ else UNREACHABLE();
+
+ return GL_NONE;
+ }
+
+ int OutputASM::dim(TIntermNode *v)
+ {
+ TIntermTyped *vector = v->getAsTyped();
+ ASSERT(vector && vector->isRegister());
+ return vector->getNominalSize();
+ }
+
+ int OutputASM::dim2(TIntermNode *m)
+ {
+ TIntermTyped *matrix = m->getAsTyped();
+ ASSERT(matrix && matrix->isMatrix() && !matrix->isArray());
+ return matrix->getNominalSize();
+ }
+}
diff --git a/src/GLES2/compiler/OutputASM.h b/src/GLES2/compiler/OutputASM.h
new file mode 100644
index 0000000..c07864f
--- /dev/null
+++ b/src/GLES2/compiler/OutputASM.h
@@ -0,0 +1,162 @@
+// SwiftShader Software Renderer
+//
+// Copyright(c) 2005-2013 TransGaming Inc.
+//
+// All rights reserved. No part of this software may be copied, distributed, transmitted,
+// transcribed, stored in a retrieval system, translated into any human or computer
+// language by any means, or disclosed to third parties without the explicit written
+// agreement of TransGaming Inc. Without such an agreement, no rights or licenses, express
+// or implied, including but not limited to any patent rights, are granted to you.
+//
+
+#ifndef COMPILER_OUTPUTASM_H_
+#define COMPILER_OUTPUTASM_H_
+
+#include "intermediate.h"
+#include "ParseHelper.h"
+#include "Shader/PixelShader.hpp"
+#include "Shader/VertexShader.hpp"
+
+#define GL_APICALL
+#include <GLES2/gl2.h>
+
+#include <list>
+#include <set>
+#include <map>
+
+namespace gl
+{
+ class Shader;
+}
+
+namespace sh
+{
+ struct Uniform
+ {
+ Uniform(GLenum type, const std::string &name, int arraySize, int registerIndex);
+
+ GLenum type;
+ std::string name;
+ int arraySize;
+
+ int registerIndex;
+ };
+
+ typedef std::vector<Uniform> ActiveUniforms;
+
+ struct Attribute
+ {
+ Attribute();
+ Attribute(GLenum type, const std::string &name, int arraySize, int registerIndex);
+
+ GLenum type;
+ std::string name;
+ int arraySize;
+
+ int registerIndex;
+ };
+
+ struct Function
+ {
+ Function(int label, const char *name, TIntermSequence *arg, TIntermTyped *ret) : label(label), name(name), arg(arg), ret(ret)
+ {
+ }
+
+ Function(int label, const TString &name, TIntermSequence *arg, TIntermTyped *ret) : label(label), name(name), arg(arg), ret(ret)
+ {
+ }
+
+ int label;
+ TString name;
+ TIntermSequence *arg;
+ TIntermTyped *ret;
+ };
+
+ typedef sw::Shader::Instruction Instruction;
+ typedef std::vector<Attribute> ActiveAttributes;
+
+ class Temporary;
+
+ class OutputASM : public TIntermTraverser
+ {
+ public:
+ explicit OutputASM(TParseContext &context, gl::Shader *shaderObject);
+ ~OutputASM();
+
+ void output();
+
+ void freeTemporary(Temporary *temporary);
+
+ protected:
+ enum Scope
+ {
+ GLOBAL,
+ FUNCTION
+ };
+
+ void emitShader(Scope scope);
+
+ // Visit AST nodes and output their code to the body stream
+ virtual void visitSymbol(TIntermSymbol*);
+ virtual bool visitBinary(Visit visit, TIntermBinary*);
+ virtual bool visitUnary(Visit visit, TIntermUnary*);
+ virtual bool visitSelection(Visit visit, TIntermSelection*);
+ virtual bool visitAggregate(Visit visit, TIntermAggregate*);
+ virtual bool visitLoop(Visit visit, TIntermLoop*);
+ virtual bool visitBranch(Visit visit, TIntermBranch*);
+
+ Instruction *emit(sw::Shader::Opcode op, TIntermTyped *dst = 0, TIntermNode *src0 = 0, TIntermNode *src1 = 0, TIntermNode *src2 = 0);
+ void emitAssign(sw::Shader::Opcode op, TIntermTyped *result, TIntermTyped *lhs, TIntermTyped *src0, TIntermTyped *src1 = 0);
+ void emitCmp(sw::Shader::Control cmpOp, TIntermTyped *dst, TIntermNode *left, TIntermNode *right, int index = 0);
+ void argument(sw::Shader::SourceParameter ¶meter, TIntermNode *argument, int index = 0);
+ void copy(TIntermTyped *dst, TIntermNode *src, int offset = 0);
+ void assignLvalue(TIntermTyped *dst, TIntermNode *src);
+ int lvalue(sw::Shader::DestinationParameter &dst, Temporary &address, TIntermTyped *node);
+ sw::Shader::ParameterType registerType(TIntermTyped *operand);
+ int registerIndex(TIntermTyped *operand);
+ int writeMask(TIntermTyped *destination, int index = 0);
+ bool trivial(TIntermTyped *expression, int budget); // Fast to compute and no side effects
+ int cost(TIntermNode *expression, int budget);
+ const Function &findFunction(const TString &name);
+
+ int temporaryRegister(TIntermTyped *temporary);
+ int varyingRegister(TIntermTyped *varying);
+ void declareVarying(TIntermTyped *varying, int reg);
+ int uniformRegister(TIntermTyped *uniform);
+ int attributeRegister(TIntermTyped *attribute);
+ int samplerRegister(TIntermTyped *sampler);
+
+ typedef std::vector<TIntermTyped*> VariableArray;
+
+ int lookup(VariableArray &list, TIntermTyped *variable);
+ int allocate(VariableArray &list, TIntermTyped *variable);
+ void free(VariableArray &list, TIntermTyped *variable);
+
+ void declareUniform(const TType &type, const TString &name, int index);
+ GLenum glVariableType(const TType &type);
+
+ static int dim(TIntermNode *v);
+ static int dim2(TIntermNode *m);
+
+ gl::Shader *const shaderObject;
+ sw::Shader *shader;
+ sw::PixelShader *pixelShader;
+ sw::VertexShader *vertexShader;
+
+ VariableArray temporaries;
+ VariableArray uniforms;
+ VariableArray varyings;
+ VariableArray attributes;
+ VariableArray samplers;
+
+ Scope emitScope;
+ Scope currentScope;
+
+ int currentFunction;
+ std::vector<Function> functionArray;
+
+ TParseContext &mContext;
+ };
+}
+
+#endif // COMPILER_OUTPUTASM_H_
diff --git a/src/GLES2/compiler/ParseHelper.cpp b/src/GLES2/compiler/ParseHelper.cpp
new file mode 100644
index 0000000..2107300
--- /dev/null
+++ b/src/GLES2/compiler/ParseHelper.cpp
@@ -0,0 +1,1524 @@
+//
+// Copyright (c) 2002-2012 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+#include "compiler/ParseHelper.h"
+
+#include <stdarg.h>
+#include <stdio.h>
+
+#include "compiler/glslang.h"
+#include "compiler/preprocessor/SourceLocation.h"
+
+///////////////////////////////////////////////////////////////////////
+//
+// Sub- vector and matrix fields
+//
+////////////////////////////////////////////////////////////////////////
+
+//
+// Look at a '.' field selector string and change it into offsets
+// for a vector.
+//
+bool TParseContext::parseVectorFields(const TString& compString, int vecSize, TVectorFields& fields, int line)
+{
+ fields.num = (int) compString.size();
+ if (fields.num > 4) {
+ error(line, "illegal vector field selection", compString.c_str());
+ return false;
+ }
+
+ enum {
+ exyzw,
+ ergba,
+ estpq,
+ } fieldSet[4];
+
+ for (int i = 0; i < fields.num; ++i) {
+ switch (compString[i]) {
+ case 'x':
+ fields.offsets[i] = 0;
+ fieldSet[i] = exyzw;
+ break;
+ case 'r':
+ fields.offsets[i] = 0;
+ fieldSet[i] = ergba;
+ break;
+ case 's':
+ fields.offsets[i] = 0;
+ fieldSet[i] = estpq;
+ break;
+ case 'y':
+ fields.offsets[i] = 1;
+ fieldSet[i] = exyzw;
+ break;
+ case 'g':
+ fields.offsets[i] = 1;
+ fieldSet[i] = ergba;
+ break;
+ case 't':
+ fields.offsets[i] = 1;
+ fieldSet[i] = estpq;
+ break;
+ case 'z':
+ fields.offsets[i] = 2;
+ fieldSet[i] = exyzw;
+ break;
+ case 'b':
+ fields.offsets[i] = 2;
+ fieldSet[i] = ergba;
+ break;
+ case 'p':
+ fields.offsets[i] = 2;
+ fieldSet[i] = estpq;
+ break;
+
+ case 'w':
+ fields.offsets[i] = 3;
+ fieldSet[i] = exyzw;
+ break;
+ case 'a':
+ fields.offsets[i] = 3;
+ fieldSet[i] = ergba;
+ break;
+ case 'q':
+ fields.offsets[i] = 3;
+ fieldSet[i] = estpq;
+ break;
+ default:
+ error(line, "illegal vector field selection", compString.c_str());
+ return false;
+ }
+ }
+
+ for (int i = 0; i < fields.num; ++i) {
+ if (fields.offsets[i] >= vecSize) {
+ error(line, "vector field selection out of range", compString.c_str());
+ return false;
+ }
+
+ if (i > 0) {
+ if (fieldSet[i] != fieldSet[i-1]) {
+ error(line, "illegal - vector component fields not from the same set", compString.c_str());
+ return false;
+ }
+ }
+ }
+
+ return true;
+}
+
+
+//
+// Look at a '.' field selector string and change it into offsets
+// for a matrix.
+//
+bool TParseContext::parseMatrixFields(const TString& compString, int matSize, TMatrixFields& fields, int line)
+{
+ fields.wholeRow = false;
+ fields.wholeCol = false;
+ fields.row = -1;
+ fields.col = -1;
+
+ if (compString.size() != 2) {
+ error(line, "illegal length of matrix field selection", compString.c_str());
+ return false;
+ }
+
+ if (compString[0] == '_') {
+ if (compString[1] < '0' || compString[1] > '3') {
+ error(line, "illegal matrix field selection", compString.c_str());
+ return false;
+ }
+ fields.wholeCol = true;
+ fields.col = compString[1] - '0';
+ } else if (compString[1] == '_') {
+ if (compString[0] < '0' || compString[0] > '3') {
+ error(line, "illegal matrix field selection", compString.c_str());
+ return false;
+ }
+ fields.wholeRow = true;
+ fields.row = compString[0] - '0';
+ } else {
+ if (compString[0] < '0' || compString[0] > '3' ||
+ compString[1] < '0' || compString[1] > '3') {
+ error(line, "illegal matrix field selection", compString.c_str());
+ return false;
+ }
+ fields.row = compString[0] - '0';
+ fields.col = compString[1] - '0';
+ }
+
+ if (fields.row >= matSize || fields.col >= matSize) {
+ error(line, "matrix field selection out of range", compString.c_str());
+ return false;
+ }
+
+ return true;
+}
+
+///////////////////////////////////////////////////////////////////////
+//
+// Errors
+//
+////////////////////////////////////////////////////////////////////////
+
+//
+// Track whether errors have occurred.
+//
+void TParseContext::recover()
+{
+}
+
+//
+// Used by flex/bison to output all syntax and parsing errors.
+//
+void TParseContext::error(TSourceLoc loc,
+ const char* reason, const char* token,
+ const char* extraInfo)
+{
+ pp::SourceLocation srcLoc;
+ DecodeSourceLoc(loc, &srcLoc.file, &srcLoc.line);
+ diagnostics.writeInfo(pp::Diagnostics::PP_ERROR,
+ srcLoc, reason, token, extraInfo);
+
+}
+
+void TParseContext::warning(TSourceLoc loc,
+ const char* reason, const char* token,
+ const char* extraInfo) {
+ pp::SourceLocation srcLoc;
+ DecodeSourceLoc(loc, &srcLoc.file, &srcLoc.line);
+ diagnostics.writeInfo(pp::Diagnostics::PP_WARNING,
+ srcLoc, reason, token, extraInfo);
+}
+
+void TParseContext::trace(const char* str)
+{
+ diagnostics.writeDebug(str);
+}
+
+//
+// Same error message for all places assignments don't work.
+//
+void TParseContext::assignError(int line, const char* op, TString left, TString right)
+{
+ std::stringstream extraInfoStream;
+ extraInfoStream << "cannot convert from '" << right << "' to '" << left << "'";
+ std::string extraInfo = extraInfoStream.str();
+ error(line, "", op, extraInfo.c_str());
+}
+
+//
+// Same error message for all places unary operations don't work.
+//
+void TParseContext::unaryOpError(int line, const char* op, TString operand)
+{
+ std::stringstream extraInfoStream;
+ extraInfoStream << "no operation '" << op << "' exists that takes an operand of type " << operand
+ << " (or there is no acceptable conversion)";
+ std::string extraInfo = extraInfoStream.str();
+ error(line, " wrong operand type", op, extraInfo.c_str());
+}
+
+//
+// Same error message for all binary operations don't work.
+//
+void TParseContext::binaryOpError(int line, const char* op, TString left, TString right)
+{
+ std::stringstream extraInfoStream;
+ extraInfoStream << "no operation '" << op << "' exists that takes a left-hand operand of type '" << left
+ << "' and a right operand of type '" << right << "' (or there is no acceptable conversion)";
+ std::string extraInfo = extraInfoStream.str();
+ error(line, " wrong operand types ", op, extraInfo.c_str());
+}
+
+bool TParseContext::precisionErrorCheck(int line, TPrecision precision, TBasicType type){
+ if (!checksPrecisionErrors)
+ return false;
+ switch( type ){
+ case EbtFloat:
+ if( precision == EbpUndefined ){
+ error( line, "No precision specified for (float)", "" );
+ return true;
+ }
+ break;
+ case EbtInt:
+ if( precision == EbpUndefined ){
+ error( line, "No precision specified (int)", "" );
+ return true;
+ }
+ break;
+ default:
+ return false;
+ }
+ return false;
+}
+
+//
+// Both test and if necessary, spit out an error, to see if the node is really
+// an l-value that can be operated on this way.
+//
+// Returns true if the was an error.
+//
+bool TParseContext::lValueErrorCheck(int line, const char* op, TIntermTyped* node)
+{
+ TIntermSymbol* symNode = node->getAsSymbolNode();
+ TIntermBinary* binaryNode = node->getAsBinaryNode();
+
+ if (binaryNode) {
+ bool errorReturn;
+
+ switch(binaryNode->getOp()) {
+ case EOpIndexDirect:
+ case EOpIndexIndirect:
+ case EOpIndexDirectStruct:
+ return lValueErrorCheck(line, op, binaryNode->getLeft());
+ case EOpVectorSwizzle:
+ errorReturn = lValueErrorCheck(line, op, binaryNode->getLeft());
+ if (!errorReturn) {
+ int offset[4] = {0,0,0,0};
+
+ TIntermTyped* rightNode = binaryNode->getRight();
+ TIntermAggregate *aggrNode = rightNode->getAsAggregate();
+
+ for (TIntermSequence::iterator p = aggrNode->getSequence().begin();
+ p != aggrNode->getSequence().end(); p++) {
+ int value = (*p)->getAsTyped()->getAsConstantUnion()->getUnionArrayPointer()->getIConst();
+ offset[value]++;
+ if (offset[value] > 1) {
+ error(line, " l-value of swizzle cannot have duplicate components", op);
+
+ return true;
+ }
+ }
+ }
+
+ return errorReturn;
+ default:
+ break;
+ }
+ error(line, " l-value required", op);
+
+ return true;
+ }
+
+
+ const char* symbol = 0;
+ if (symNode != 0)
+ symbol = symNode->getSymbol().c_str();
+
+ const char* message = 0;
+ switch (node->getQualifier()) {
+ case EvqConst: message = "can't modify a const"; break;
+ case EvqConstReadOnly: message = "can't modify a const"; break;
+ case EvqAttribute: message = "can't modify an attribute"; break;
+ case EvqUniform: message = "can't modify a uniform"; break;
+ case EvqVaryingIn: message = "can't modify a varying"; break;
+ case EvqInput: message = "can't modify an input"; break;
+ case EvqFragCoord: message = "can't modify gl_FragCoord"; break;
+ case EvqFrontFacing: message = "can't modify gl_FrontFacing"; break;
+ case EvqPointCoord: message = "can't modify gl_PointCoord"; break;
+ default:
+
+ //
+ // Type that can't be written to?
+ //
+ switch (node->getBasicType()) {
+ case EbtSampler2D:
+ case EbtSamplerCube:
+ message = "can't modify a sampler";
+ break;
+ case EbtVoid:
+ message = "can't modify void";
+ break;
+ default:
+ break;
+ }
+ }
+
+ if (message == 0 && binaryNode == 0 && symNode == 0) {
+ error(line, " l-value required", op);
+
+ return true;
+ }
+
+
+ //
+ // Everything else is okay, no error.
+ //
+ if (message == 0)
+ return false;
+
+ //
+ // If we get here, we have an error and a message.
+ //
+ if (symNode) {
+ std::stringstream extraInfoStream;
+ extraInfoStream << "\"" << symbol << "\" (" << message << ")";
+ std::string extraInfo = extraInfoStream.str();
+ error(line, " l-value required", op, extraInfo.c_str());
+ }
+ else {
+ std::stringstream extraInfoStream;
+ extraInfoStream << "(" << message << ")";
+ std::string extraInfo = extraInfoStream.str();
+ error(line, " l-value required", op, extraInfo.c_str());
+ }
+
+ return true;
+}
+
+//
+// Both test, and if necessary spit out an error, to see if the node is really
+// a constant.
+//
+// Returns true if the was an error.
+//
+bool TParseContext::constErrorCheck(TIntermTyped* node)
+{
+ if (node->getQualifier() == EvqConst)
+ return false;
+
+ error(node->getLine(), "constant expression required", "");
+
+ return true;
+}
+
+//
+// Both test, and if necessary spit out an error, to see if the node is really
+// an integer.
+//
+// Returns true if the was an error.
+//
+bool TParseContext::integerErrorCheck(TIntermTyped* node, const char* token)
+{
+ if (node->getBasicType() == EbtInt && node->getNominalSize() == 1)
+ return false;
+
+ error(node->getLine(), "integer expression required", token);
+
+ return true;
+}
+
+//
+// Both test, and if necessary spit out an error, to see if we are currently
+// globally scoped.
+//
+// Returns true if the was an error.
+//
+bool TParseContext::globalErrorCheck(int line, bool global, const char* token)
+{
+ if (global)
+ return false;
+
+ error(line, "only allowed at global scope", token);
+
+ return true;
+}
+
+//
+// For now, keep it simple: if it starts "gl_", it's reserved, independent
+// of scope. Except, if the symbol table is at the built-in push-level,
+// which is when we are parsing built-ins.
+// Also checks for "webgl_" and "_webgl_" reserved identifiers if parsing a
+// webgl shader.
+//
+// Returns true if there was an error.
+//
+bool TParseContext::reservedErrorCheck(int line, const TString& identifier)
+{
+ static const char* reservedErrMsg = "reserved built-in name";
+ if (!symbolTable.atBuiltInLevel()) {
+ if (identifier.compare(0, 3, "gl_") == 0) {
+ error(line, reservedErrMsg, "gl_");
+ return true;
+ }
+ if (shaderSpec == SH_WEBGL_SPEC) {
+ if (identifier.compare(0, 6, "webgl_") == 0) {
+ error(line, reservedErrMsg, "webgl_");
+ return true;
+ }
+ if (identifier.compare(0, 7, "_webgl_") == 0) {
+ error(line, reservedErrMsg, "_webgl_");
+ return true;
+ }
+ }
+ if (identifier.find("__") != TString::npos) {
+ error(line, "identifiers containing two consecutive underscores (__) are reserved as possible future keywords", identifier.c_str());
+ return true;
+ }
+ }
+
+ return false;
+}
+
+//
+// Make sure there is enough data provided to the constructor to build
+// something of the type of the constructor. Also returns the type of
+// the constructor.
+//
+// Returns true if there was an error in construction.
+//
+bool TParseContext::constructorErrorCheck(int line, TIntermNode* node, TFunction& function, TOperator op, TType* type)
+{
+ *type = function.getReturnType();
+
+ bool constructingMatrix = false;
+ switch(op) {
+ case EOpConstructMat2:
+ case EOpConstructMat3:
+ case EOpConstructMat4:
+ constructingMatrix = true;
+ break;
+ default:
+ break;
+ }
+
+ //
+ // Note: It's okay to have too many components available, but not okay to have unused
+ // arguments. 'full' will go to true when enough args have been seen. If we loop
+ // again, there is an extra argument, so 'overfull' will become true.
+ //
+
+ int size = 0;
+ bool constType = true;
+ bool full = false;
+ bool overFull = false;
+ bool matrixInMatrix = false;
+ bool arrayArg = false;
+ for (int i = 0; i < function.getParamCount(); ++i) {
+ const TParameter& param = function.getParam(i);
+ size += param.type->getObjectSize();
+
+ if (constructingMatrix && param.type->isMatrix())
+ matrixInMatrix = true;
+ if (full)
+ overFull = true;
+ if (op != EOpConstructStruct && !type->isArray() && size >= type->getObjectSize())
+ full = true;
+ if (param.type->getQualifier() != EvqConst)
+ constType = false;
+ if (param.type->isArray())
+ arrayArg = true;
+ }
+
+ if (constType)
+ type->setQualifier(EvqConst);
+
+ if (type->isArray() && type->getArraySize() != function.getParamCount()) {
+ error(line, "array constructor needs one argument per array element", "constructor");
+ return true;
+ }
+
+ if (arrayArg && op != EOpConstructStruct) {
+ error(line, "constructing from a non-dereferenced array", "constructor");
+ return true;
+ }
+
+ if (matrixInMatrix && !type->isArray()) {
+ if (function.getParamCount() != 1) {
+ error(line, "constructing matrix from matrix can only take one argument", "constructor");
+ return true;
+ }
+ }
+
+ if (overFull) {
+ error(line, "too many arguments", "constructor");
+ return true;
+ }
+
+ if (op == EOpConstructStruct && !type->isArray() && int(type->getStruct()->size()) != function.getParamCount()) {
+ error(line, "Number of constructor parameters does not match the number of structure fields", "constructor");
+ return true;
+ }
+
+ if (!type->isMatrix() || !matrixInMatrix) {
+ if ((op != EOpConstructStruct && size != 1 && size < type->getObjectSize()) ||
+ (op == EOpConstructStruct && size < type->getObjectSize())) {
+ error(line, "not enough data provided for construction", "constructor");
+ return true;
+ }
+ }
+
+ TIntermTyped *typed = node ? node->getAsTyped() : 0;
+ if (typed == 0) {
+ error(line, "constructor argument does not have a type", "constructor");
+ return true;
+ }
+ if (op != EOpConstructStruct && IsSampler(typed->getBasicType())) {
+ error(line, "cannot convert a sampler", "constructor");
+ return true;
+ }
+ if (typed->getBasicType() == EbtVoid) {
+ error(line, "cannot convert a void", "constructor");
+ return true;
+ }
+
+ return false;
+}
+
+// This function checks to see if a void variable has been declared and raise an error message for such a case
+//
+// returns true in case of an error
+//
+bool TParseContext::voidErrorCheck(int line, const TString& identifier, const TPublicType& pubType)
+{
+ if (pubType.type == EbtVoid) {
+ error(line, "illegal use of type 'void'", identifier.c_str());
+ return true;
+ }
+
+ return false;
+}
+
+// This function checks to see if the node (for the expression) contains a scalar boolean expression or not
+//
+// returns true in case of an error
+//
+bool TParseContext::boolErrorCheck(int line, const TIntermTyped* type)
+{
+ if (type->getBasicType() != EbtBool || type->isArray() || type->isMatrix() || type->isVector()) {
+ error(line, "boolean expression expected", "");
+ return true;
+ }
+
+ return false;
+}
+
+// This function checks to see if the node (for the expression) contains a scalar boolean expression or not
+//
+// returns true in case of an error
+//
+bool TParseContext::boolErrorCheck(int line, const TPublicType& pType)
+{
+ if (pType.type != EbtBool || pType.array || pType.matrix || (pType.size > 1)) {
+ error(line, "boolean expression expected", "");
+ return true;
+ }
+
+ return false;
+}
+
+bool TParseContext::samplerErrorCheck(int line, const TPublicType& pType, const char* reason)
+{
+ if (pType.type == EbtStruct) {
+ if (containsSampler(*pType.userDef)) {
+ error(line, reason, getBasicString(pType.type), "(structure contains a sampler)");
+
+ return true;
+ }
+
+ return false;
+ } else if (IsSampler(pType.type)) {
+ error(line, reason, getBasicString(pType.type));
+
+ return true;
+ }
+
+ return false;
+}
+
+bool TParseContext::structQualifierErrorCheck(int line, const TPublicType& pType)
+{
+ if ((pType.qualifier == EvqVaryingIn || pType.qualifier == EvqVaryingOut || pType.qualifier == EvqAttribute) &&
+ pType.type == EbtStruct) {
+ error(line, "cannot be used with a structure", getQualifierString(pType.qualifier));
+
+ return true;
+ }
+
+ if (pType.qualifier != EvqUniform && samplerErrorCheck(line, pType, "samplers must be uniform"))
+ return true;
+
+ return false;
+}
+
+bool TParseContext::parameterSamplerErrorCheck(int line, TQualifier qualifier, const TType& type)
+{
+ if ((qualifier == EvqOut || qualifier == EvqInOut) &&
+ type.getBasicType() != EbtStruct && IsSampler(type.getBasicType())) {
+ error(line, "samplers cannot be output parameters", type.getBasicString());
+ return true;
+ }
+
+ return false;
+}
+
+bool TParseContext::containsSampler(TType& type)
+{
+ if (IsSampler(type.getBasicType()))
+ return true;
+
+ if (type.getBasicType() == EbtStruct) {
+ TTypeList& structure = *type.getStruct();
+ for (unsigned int i = 0; i < structure.size(); ++i) {
+ if (containsSampler(*structure[i].type))
+ return true;
+ }
+ }
+
+ return false;
+}
+
+//
+// Do size checking for an array type's size.
+//
+// Returns true if there was an error.
+//
+bool TParseContext::arraySizeErrorCheck(int line, TIntermTyped* expr, int& size)
+{
+ TIntermConstantUnion* constant = expr->getAsConstantUnion();
+ if (constant == 0 || constant->getBasicType() != EbtInt) {
+ error(line, "array size must be a constant integer expression", "");
+ return true;
+ }
+
+ size = constant->getUnionArrayPointer()->getIConst();
+
+ if (size <= 0) {
+ error(line, "array size must be a positive integer", "");
+ size = 1;
+ return true;
+ }
+
+ return false;
+}
+
+//
+// See if this qualifier can be an array.
+//
+// Returns true if there is an error.
+//
+bool TParseContext::arrayQualifierErrorCheck(int line, TPublicType type)
+{
+ if ((type.qualifier == EvqAttribute) || (type.qualifier == EvqConst)) {
+ error(line, "cannot declare arrays of this qualifier", TType(type).getCompleteString().c_str());
+ return true;
+ }
+
+ return false;
+}
+
+//
+// See if this type can be an array.
+//
+// Returns true if there is an error.
+//
+bool TParseContext::arrayTypeErrorCheck(int line, TPublicType type)
+{
+ //
+ // Can the type be an array?
+ //
+ if (type.array) {
+ error(line, "cannot declare arrays of arrays", TType(type).getCompleteString().c_str());
+ return true;
+ }
+
+ return false;
+}
+
+//
+// Do all the semantic checking for declaring an array, with and
+// without a size, and make the right changes to the symbol table.
+//
+// size == 0 means no specified size.
+//
+// Returns true if there was an error.
+//
+bool TParseContext::arrayErrorCheck(int line, TString& identifier, TPublicType type, TVariable*& variable)
+{
+ //
+ // Don't check for reserved word use until after we know it's not in the symbol table,
+ // because reserved arrays can be redeclared.
+ //
+
+ bool builtIn = false;
+ bool sameScope = false;
+ TSymbol* symbol = symbolTable.find(identifier, &builtIn, &sameScope);
+ if (symbol == 0 || !sameScope) {
+ if (reservedErrorCheck(line, identifier))
+ return true;
+
+ variable = new TVariable(&identifier, TType(type));
+
+ if (type.arraySize)
+ variable->getType().setArraySize(type.arraySize);
+
+ if (! symbolTable.insert(*variable)) {
+ delete variable;
+ error(line, "INTERNAL ERROR inserting new symbol", identifier.c_str());
+ return true;
+ }
+ } else {
+ if (! symbol->isVariable()) {
+ error(line, "variable expected", identifier.c_str());
+ return true;
+ }
+
+ variable = static_cast<TVariable*>(symbol);
+ if (! variable->getType().isArray()) {
+ error(line, "redeclaring non-array as array", identifier.c_str());
+ return true;
+ }
+ if (variable->getType().getArraySize() > 0) {
+ error(line, "redeclaration of array with size", identifier.c_str());
+ return true;
+ }
+
+ if (! variable->getType().sameElementType(TType(type))) {
+ error(line, "redeclaration of array with a different type", identifier.c_str());
+ return true;
+ }
+
+ TType* t = variable->getArrayInformationType();
+ while (t != 0) {
+ if (t->getMaxArraySize() > type.arraySize) {
+ error(line, "higher index value already used for the array", identifier.c_str());
+ return true;
+ }
+ t->setArraySize(type.arraySize);
+ t = t->getArrayInformationType();
+ }
+
+ if (type.arraySize)
+ variable->getType().setArraySize(type.arraySize);
+ }
+
+ if (voidErrorCheck(line, identifier, type))
+ return true;
+
+ return false;
+}
+
+bool TParseContext::arraySetMaxSize(TIntermSymbol *node, TType* type, int size, bool updateFlag, TSourceLoc line)
+{
+ bool builtIn = false;
+ TSymbol* symbol = symbolTable.find(node->getSymbol(), &builtIn);
+ if (symbol == 0) {
+ error(line, " undeclared identifier", node->getSymbol().c_str());
+ return true;
+ }
+ TVariable* variable = static_cast<TVariable*>(symbol);
+
+ type->setArrayInformationType(variable->getArrayInformationType());
+ variable->updateArrayInformationType(type);
+
+ // special casing to test index value of gl_FragData. If the accessed index is >= gl_MaxDrawBuffers
+ // its an error
+ if (node->getSymbol() == "gl_FragData") {
+ TSymbol* fragData = symbolTable.find("gl_MaxDrawBuffers", &builtIn);
+ ASSERT(fragData);
+
+ int fragDataValue = static_cast<TVariable*>(fragData)->getConstPointer()[0].getIConst();
+ if (fragDataValue <= size) {
+ error(line, "", "[", "gl_FragData can only have a max array size of up to gl_MaxDrawBuffers");
+ return true;
+ }
+ }
+
+ // we dont want to update the maxArraySize when this flag is not set, we just want to include this
+ // node type in the chain of node types so that its updated when a higher maxArraySize comes in.
+ if (!updateFlag)
+ return false;
+
+ size++;
+ variable->getType().setMaxArraySize(size);
+ type->setMaxArraySize(size);
+ TType* tt = type;
+
+ while(tt->getArrayInformationType() != 0) {
+ tt = tt->getArrayInformationType();
+ tt->setMaxArraySize(size);
+ }
+
+ return false;
+}
+
+//
+// Enforce non-initializer type/qualifier rules.
+//
+// Returns true if there was an error.
+//
+bool TParseContext::nonInitConstErrorCheck(int line, TString& identifier, TPublicType& type, bool array)
+{
+ if (type.qualifier == EvqConst)
+ {
+ // Make the qualifier make sense.
+ type.qualifier = EvqTemporary;
+
+ if (array)
+ {
+ error(line, "arrays may not be declared constant since they cannot be initialized", identifier.c_str());
+ }
+ else if (type.isStructureContainingArrays())
+ {
+ error(line, "structures containing arrays may not be declared constant since they cannot be initialized", identifier.c_str());
+ }
+ else
+ {
+ error(line, "variables with qualifier 'const' must be initialized", identifier.c_str());
+ }
+
+ return true;
+ }
+
+ return false;
+}
+
+//
+// Do semantic checking for a variable declaration that has no initializer,
+// and update the symbol table.
+//
+// Returns true if there was an error.
+//
+bool TParseContext::nonInitErrorCheck(int line, TString& identifier, TPublicType& type, TVariable*& variable)
+{
+ if (reservedErrorCheck(line, identifier))
+ recover();
+
+ variable = new TVariable(&identifier, TType(type));
+
+ if (! symbolTable.insert(*variable)) {
+ error(line, "redefinition", variable->getName().c_str());
+ delete variable;
+ variable = 0;
+ return true;
+ }
+
+ if (voidErrorCheck(line, identifier, type))
+ return true;
+
+ return false;
+}
+
+bool TParseContext::paramErrorCheck(int line, TQualifier qualifier, TQualifier paramQualifier, TType* type)
+{
+ if (qualifier != EvqConst && qualifier != EvqTemporary) {
+ error(line, "qualifier not allowed on function parameter", getQualifierString(qualifier));
+ return true;
+ }
+ if (qualifier == EvqConst && paramQualifier != EvqIn) {
+ error(line, "qualifier not allowed with ", getQualifierString(qualifier), getQualifierString(paramQualifier));
+ return true;
+ }
+
+ if (qualifier == EvqConst)
+ type->setQualifier(EvqConstReadOnly);
+ else
+ type->setQualifier(paramQualifier);
+
+ return false;
+}
+
+bool TParseContext::extensionErrorCheck(int line, const TString& extension)
+{
+ const TExtensionBehavior& extBehavior = extensionBehavior();
+ TExtensionBehavior::const_iterator iter = extBehavior.find(extension.c_str());
+ if (iter == extBehavior.end()) {
+ error(line, "extension", extension.c_str(), "is not supported");
+ return true;
+ }
+ // In GLSL ES, an extension's default behavior is "disable".
+ if (iter->second == EBhDisable || iter->second == EBhUndefined) {
+ error(line, "extension", extension.c_str(), "is disabled");
+ return true;
+ }
+ if (iter->second == EBhWarn) {
+ warning(line, "extension", extension.c_str(), "is being used");
+ return false;
+ }
+
+ return false;
+}
+
+bool TParseContext::supportsExtension(const char* extension)
+{
+ const TExtensionBehavior& extbehavior = extensionBehavior();
+ TExtensionBehavior::const_iterator iter = extbehavior.find(extension);
+ return (iter != extbehavior.end());
+}
+
+void TParseContext::handleExtensionDirective(int line, const char* extName, const char* behavior)
+{
+ pp::SourceLocation loc;
+ DecodeSourceLoc(line, &loc.file, &loc.line);
+ directiveHandler.handleExtension(loc, extName, behavior);
+}
+
+void TParseContext::handlePragmaDirective(int line, const char* name, const char* value)
+{
+ pp::SourceLocation loc;
+ DecodeSourceLoc(line, &loc.file, &loc.line);
+ directiveHandler.handlePragma(loc, name, value);
+}
+
+/////////////////////////////////////////////////////////////////////////////////
+//
+// Non-Errors.
+//
+/////////////////////////////////////////////////////////////////////////////////
+
+//
+// Look up a function name in the symbol table, and make sure it is a function.
+//
+// Return the function symbol if found, otherwise 0.
+//
+const TFunction* TParseContext::findFunction(int line, TFunction* call, bool *builtIn)
+{
+ // First find by unmangled name to check whether the function name has been
+ // hidden by a variable name or struct typename.
+ const TSymbol* symbol = symbolTable.find(call->getName(), builtIn);
+ if (symbol == 0) {
+ symbol = symbolTable.find(call->getMangledName(), builtIn);
+ }
+
+ if (symbol == 0) {
+ error(line, "no matching overloaded function found", call->getName().c_str());
+ return 0;
+ }
+
+ if (!symbol->isFunction()) {
+ error(line, "function name expected", call->getName().c_str());
+ return 0;
+ }
+
+ return static_cast<const TFunction*>(symbol);
+}
+
+//
+// Initializers show up in several places in the grammar. Have one set of
+// code to handle them here.
+//
+bool TParseContext::executeInitializer(TSourceLoc line, TString& identifier, TPublicType& pType,
+ TIntermTyped* initializer, TIntermNode*& intermNode, TVariable* variable)
+{
+ TType type = TType(pType);
+
+ if (variable == 0) {
+ if (reservedErrorCheck(line, identifier))
+ return true;
+
+ if (voidErrorCheck(line, identifier, pType))
+ return true;
+
+ //
+ // add variable to symbol table
+ //
+ variable = new TVariable(&identifier, type);
+ if (! symbolTable.insert(*variable)) {
+ error(line, "redefinition", variable->getName().c_str());
+ return true;
+ // don't delete variable, it's used by error recovery, and the pool
+ // pop will take care of the memory
+ }
+ }
+
+ //
+ // identifier must be of type constant, a global, or a temporary
+ //
+ TQualifier qualifier = variable->getType().getQualifier();
+ if ((qualifier != EvqTemporary) && (qualifier != EvqGlobal) && (qualifier != EvqConst)) {
+ error(line, " cannot initialize this type of qualifier ", variable->getType().getQualifierString());
+ return true;
+ }
+ //
+ // test for and propagate constant
+ //
+
+ if (qualifier == EvqConst) {
+ if (qualifier != initializer->getType().getQualifier()) {
+ std::stringstream extraInfoStream;
+ extraInfoStream << "'" << variable->getType().getCompleteString() << "'";
+ std::string extraInfo = extraInfoStream.str();
+ error(line, " assigning non-constant to", "=", extraInfo.c_str());
+ variable->getType().setQualifier(EvqTemporary);
+ return true;
+ }
+ if (type != initializer->getType()) {
+ error(line, " non-matching types for const initializer ",
+ variable->getType().getQualifierString());
+ variable->getType().setQualifier(EvqTemporary);
+ return true;
+ }
+ if (initializer->getAsConstantUnion()) {
+ ConstantUnion* unionArray = variable->getConstPointer();
+
+ if (type.getObjectSize() == 1 && type.getBasicType() != EbtStruct) {
+ *unionArray = (initializer->getAsConstantUnion()->getUnionArrayPointer())[0];
+ } else {
+ variable->shareConstPointer(initializer->getAsConstantUnion()->getUnionArrayPointer());
+ }
+ } else if (initializer->getAsSymbolNode()) {
+ const TSymbol* symbol = symbolTable.find(initializer->getAsSymbolNode()->getSymbol());
+ const TVariable* tVar = static_cast<const TVariable*>(symbol);
+
+ ConstantUnion* constArray = tVar->getConstPointer();
+ variable->shareConstPointer(constArray);
+ } else {
+ std::stringstream extraInfoStream;
+ extraInfoStream << "'" << variable->getType().getCompleteString() << "'";
+ std::string extraInfo = extraInfoStream.str();
+ error(line, " cannot assign to", "=", extraInfo.c_str());
+ variable->getType().setQualifier(EvqTemporary);
+ return true;
+ }
+ }
+
+ if (qualifier != EvqConst) {
+ TIntermSymbol* intermSymbol = intermediate.addSymbol(variable->getUniqueId(), variable->getName(), variable->getType(), line);
+ intermNode = intermediate.addAssign(EOpInitialize, intermSymbol, initializer, line);
+ if (intermNode == 0) {
+ assignError(line, "=", intermSymbol->getCompleteString(), initializer->getCompleteString());
+ return true;
+ }
+ } else
+ intermNode = 0;
+
+ return false;
+}
+
+bool TParseContext::areAllChildConst(TIntermAggregate* aggrNode)
+{
+ ASSERT(aggrNode != NULL);
+ if (!aggrNode->isConstructor())
+ return false;
+
+ bool allConstant = true;
+
+ // check if all the child nodes are constants so that they can be inserted into
+ // the parent node
+ TIntermSequence &sequence = aggrNode->getSequence() ;
+ for (TIntermSequence::iterator p = sequence.begin(); p != sequence.end(); ++p) {
+ if (!(*p)->getAsTyped()->getAsConstantUnion())
+ return false;
+ }
+
+ return allConstant;
+}
+
+// This function is used to test for the correctness of the parameters passed to various constructor functions
+// and also convert them to the right datatype if it is allowed and required.
+//
+// Returns 0 for an error or the constructed node (aggregate or typed) for no error.
+//
+TIntermTyped* TParseContext::addConstructor(TIntermNode* node, const TType* type, TOperator op, TFunction* fnCall, TSourceLoc line)
+{
+ if (node == 0)
+ return 0;
+
+ TIntermAggregate* aggrNode = node->getAsAggregate();
+
+ TTypeList::const_iterator memberTypes;
+ if (op == EOpConstructStruct)
+ memberTypes = type->getStruct()->begin();
+
+ TType elementType = *type;
+ if (type->isArray())
+ elementType.clearArrayness();
+
+ bool singleArg;
+ if (aggrNode) {
+ if (aggrNode->getOp() != EOpNull || aggrNode->getSequence().size() == 1)
+ singleArg = true;
+ else
+ singleArg = false;
+ } else
+ singleArg = true;
+
+ TIntermTyped *newNode;
+ if (singleArg) {
+ // If structure constructor or array constructor is being called
+ // for only one parameter inside the structure, we need to call constructStruct function once.
+ if (type->isArray())
+ newNode = constructStruct(node, &elementType, 1, node->getLine(), false);
+ else if (op == EOpConstructStruct)
+ newNode = constructStruct(node, (*memberTypes).type, 1, node->getLine(), false);
+ else
+ newNode = constructBuiltIn(type, op, node, node->getLine(), false);
+
+ if (newNode && newNode->getAsAggregate()) {
+ TIntermTyped* constConstructor = foldConstConstructor(newNode->getAsAggregate(), *type);
+ if (constConstructor)
+ return constConstructor;
+ }
+
+ return newNode;
+ }
+
+ //
+ // Handle list of arguments.
+ //
+ TIntermSequence &sequenceVector = aggrNode->getSequence() ; // Stores the information about the parameter to the constructor
+ // if the structure constructor contains more than one parameter, then construct
+ // each parameter
+
+ int paramCount = 0; // keeps a track of the constructor parameter number being checked
+
+ // for each parameter to the constructor call, check to see if the right type is passed or convert them
+ // to the right type if possible (and allowed).
+ // for structure constructors, just check if the right type is passed, no conversion is allowed.
+
+ for (TIntermSequence::iterator p = sequenceVector.begin();
+ p != sequenceVector.end(); p++, paramCount++) {
+ if (type->isArray())
+ newNode = constructStruct(*p, &elementType, paramCount+1, node->getLine(), true);
+ else if (op == EOpConstructStruct)
+ newNode = constructStruct(*p, (memberTypes[paramCount]).type, paramCount+1, node->getLine(), true);
+ else
+ newNode = constructBuiltIn(type, op, *p, node->getLine(), true);
+
+ if (newNode) {
+ *p = newNode;
+ }
+ }
+
+ TIntermTyped* constructor = intermediate.setAggregateOperator(aggrNode, op, line);
+ TIntermTyped* constConstructor = foldConstConstructor(constructor->getAsAggregate(), *type);
+ if (constConstructor)
+ return constConstructor;
+
+ return constructor;
+}
+
+TIntermTyped* TParseContext::foldConstConstructor(TIntermAggregate* aggrNode, const TType& type)
+{
+ bool canBeFolded = areAllChildConst(aggrNode);
+ aggrNode->setType(type);
+ if (canBeFolded) {
+ bool returnVal = false;
+ ConstantUnion* unionArray = new ConstantUnion[type.getObjectSize()];
+ if (aggrNode->getSequence().size() == 1) {
+ returnVal = intermediate.parseConstTree(aggrNode->getLine(), aggrNode, unionArray, aggrNode->getOp(), symbolTable, type, true);
+ }
+ else {
+ returnVal = intermediate.parseConstTree(aggrNode->getLine(), aggrNode, unionArray, aggrNode->getOp(), symbolTable, type);
+ }
+ if (returnVal)
+ return 0;
+
+ return intermediate.addConstantUnion(unionArray, type, aggrNode->getLine());
+ }
+
+ return 0;
+}
+
+// Function for constructor implementation. Calls addUnaryMath with appropriate EOp value
+// for the parameter to the constructor (passed to this function). Essentially, it converts
+// the parameter types correctly. If a constructor expects an int (like ivec2) and is passed a
+// float, then float is converted to int.
+//
+// Returns 0 for an error or the constructed node.
+//
+TIntermTyped* TParseContext::constructBuiltIn(const TType* type, TOperator op, TIntermNode* node, TSourceLoc line, bool subset)
+{
+ TIntermTyped* newNode;
+ TOperator basicOp;
+
+ //
+ // First, convert types as needed.
+ //
+ switch (op) {
+ case EOpConstructVec2:
+ case EOpConstructVec3:
+ case EOpConstructVec4:
+ case EOpConstructMat2:
+ case EOpConstructMat3:
+ case EOpConstructMat4:
+ case EOpConstructFloat:
+ basicOp = EOpConstructFloat;
+ break;
+
+ case EOpConstructIVec2:
+ case EOpConstructIVec3:
+ case EOpConstructIVec4:
+ case EOpConstructInt:
+ basicOp = EOpConstructInt;
+ break;
+
+ case EOpConstructBVec2:
+ case EOpConstructBVec3:
+ case EOpConstructBVec4:
+ case EOpConstructBool:
+ basicOp = EOpConstructBool;
+ break;
+
+ default:
+ error(line, "unsupported construction", "");
+ recover();
+
+ return 0;
+ }
+ newNode = intermediate.addUnaryMath(basicOp, node, node->getLine(), symbolTable);
+ if (newNode == 0) {
+ error(line, "can't convert", "constructor");
+ return 0;
+ }
+
+ //
+ // Now, if there still isn't an operation to do the construction, and we need one, add one.
+ //
+
+ // Otherwise, skip out early.
+ if (subset || (newNode != node && newNode->getType() == *type))
+ return newNode;
+
+ // setAggregateOperator will insert a new node for the constructor, as needed.
+ return intermediate.setAggregateOperator(newNode, op, line);
+}
+
+// This function tests for the type of the parameters to the structures constructors. Raises
+// an error message if the expected type does not match the parameter passed to the constructor.
+//
+// Returns 0 for an error or the input node itself if the expected and the given parameter types match.
+//
+TIntermTyped* TParseContext::constructStruct(TIntermNode* node, TType* type, int paramCount, TSourceLoc line, bool subset)
+{
+ if (*type == node->getAsTyped()->getType()) {
+ if (subset)
+ return node->getAsTyped();
+ else
+ return intermediate.setAggregateOperator(node->getAsTyped(), EOpConstructStruct, line);
+ } else {
+ std::stringstream extraInfoStream;
+ extraInfoStream << "cannot convert parameter " << paramCount
+ << " from '" << node->getAsTyped()->getType().getBasicString()
+ << "' to '" << type->getBasicString() << "'";
+ std::string extraInfo = extraInfoStream.str();
+ error(line, "", "constructor", extraInfo.c_str());
+ recover();
+ }
+
+ return 0;
+}
+
+//
+// This function returns the tree representation for the vector field(s) being accessed from contant vector.
+// If only one component of vector is accessed (v.x or v[0] where v is a contant vector), then a contant node is
+// returned, else an aggregate node is returned (for v.xy). The input to this function could either be the symbol
+// node or it could be the intermediate tree representation of accessing fields in a constant structure or column of
+// a constant matrix.
+//
+TIntermTyped* TParseContext::addConstVectorNode(TVectorFields& fields, TIntermTyped* node, TSourceLoc line)
+{
+ TIntermTyped* typedNode;
+ TIntermConstantUnion* tempConstantNode = node->getAsConstantUnion();
+
+ ConstantUnion *unionArray;
+ if (tempConstantNode) {
+ unionArray = tempConstantNode->getUnionArrayPointer();
+ ASSERT(unionArray);
+
+ if (!unionArray) {
+ return node;
+ }
+ } else { // The node has to be either a symbol node or an aggregate node or a tempConstant node, else, its an error
+ error(line, "Cannot offset into the vector", "Error");
+ recover();
+
+ return 0;
+ }
+
+ ConstantUnion* constArray = new ConstantUnion[fields.num];
+
+ for (int i = 0; i < fields.num; i++) {
+ if (fields.offsets[i] >= node->getType().getObjectSize()) {
+ std::stringstream extraInfoStream;
+ extraInfoStream << "vector field selection out of range '" << fields.offsets[i] << "'";
+ std::string extraInfo = extraInfoStream.str();
+ error(line, "", "[", extraInfo.c_str());
+ recover();
+ fields.offsets[i] = 0;
+ }
+
+ constArray[i] = unionArray[fields.offsets[i]];
+
+ }
+ typedNode = intermediate.addConstantUnion(constArray, node->getType(), line);
+ return typedNode;
+}
+
+//
+// This function returns the column being accessed from a constant matrix. The values are retrieved from
+// the symbol table and parse-tree is built for a vector (each column of a matrix is a vector). The input
+// to the function could either be a symbol node (m[0] where m is a constant matrix)that represents a
+// constant matrix or it could be the tree representation of the constant matrix (s.m1[0] where s is a constant structure)
+//
+TIntermTyped* TParseContext::addConstMatrixNode(int index, TIntermTyped* node, TSourceLoc line)
+{
+ TIntermTyped* typedNode;
+ TIntermConstantUnion* tempConstantNode = node->getAsConstantUnion();
+
+ if (index >= node->getType().getNominalSize()) {
+ std::stringstream extraInfoStream;
+ extraInfoStream << "matrix field selection out of range '" << index << "'";
+ std::string extraInfo = extraInfoStream.str();
+ error(line, "", "[", extraInfo.c_str());
+ recover();
+ index = 0;
+ }
+
+ if (tempConstantNode) {
+ ConstantUnion* unionArray = tempConstantNode->getUnionArrayPointer();
+ int size = tempConstantNode->getType().getNominalSize();
+ typedNode = intermediate.addConstantUnion(&unionArray[size*index], tempConstantNode->getType(), line);
+ } else {
+ error(line, "Cannot offset into the matrix", "Error");
+ recover();
+
+ return 0;
+ }
+
+ return typedNode;
+}
+
+
+//
+// This function returns an element of an array accessed from a constant array. The values are retrieved from
+// the symbol table and parse-tree is built for the type of the element. The input
+// to the function could either be a symbol node (a[0] where a is a constant array)that represents a
+// constant array or it could be the tree representation of the constant array (s.a1[0] where s is a constant structure)
+//
+TIntermTyped* TParseContext::addConstArrayNode(int index, TIntermTyped* node, TSourceLoc line)
+{
+ TIntermTyped* typedNode;
+ TIntermConstantUnion* tempConstantNode = node->getAsConstantUnion();
+ TType arrayElementType = node->getType();
+ arrayElementType.clearArrayness();
+
+ if (index >= node->getType().getArraySize()) {
+ std::stringstream extraInfoStream;
+ extraInfoStream << "array field selection out of range '" << index << "'";
+ std::string extraInfo = extraInfoStream.str();
+ error(line, "", "[", extraInfo.c_str());
+ recover();
+ index = 0;
+ }
+
+ int arrayElementSize = arrayElementType.getObjectSize();
+
+ if (tempConstantNode) {
+ ConstantUnion* unionArray = tempConstantNode->getUnionArrayPointer();
+ typedNode = intermediate.addConstantUnion(&unionArray[arrayElementSize * index], tempConstantNode->getType(), line);
+ } else {
+ error(line, "Cannot offset into the array", "Error");
+ recover();
+
+ return 0;
+ }
+
+ return typedNode;
+}
+
+
+//
+// This function returns the value of a particular field inside a constant structure from the symbol table.
+// If there is an embedded/nested struct, it appropriately calls addConstStructNested or addConstStructFromAggr
+// function and returns the parse-tree with the values of the embedded/nested struct.
+//
+TIntermTyped* TParseContext::addConstStruct(TString& identifier, TIntermTyped* node, TSourceLoc line)
+{
+ const TTypeList* fields = node->getType().getStruct();
+ TIntermTyped *typedNode;
+ int instanceSize = 0;
+ unsigned int index = 0;
+ TIntermConstantUnion *tempConstantNode = node->getAsConstantUnion();
+
+ for ( index = 0; index < fields->size(); ++index) {
+ if ((*fields)[index].type->getFieldName() == identifier) {
+ break;
+ } else {
+ instanceSize += (*fields)[index].type->getObjectSize();
+ }
+ }
+
+ if (tempConstantNode) {
+ ConstantUnion* constArray = tempConstantNode->getUnionArrayPointer();
+
+ typedNode = intermediate.addConstantUnion(constArray+instanceSize, tempConstantNode->getType(), line); // type will be changed in the calling function
+ } else {
+ error(line, "Cannot offset into the structure", "Error");
+ recover();
+
+ return 0;
+ }
+
+ return typedNode;
+}
+
+bool TParseContext::enterStructDeclaration(int line, const TString& identifier)
+{
+ ++structNestingLevel;
+
+ // Embedded structure definitions are not supported per GLSL ES spec.
+ // They aren't allowed in GLSL either, but we need to detect this here
+ // so we don't rely on the GLSL compiler to catch it.
+ if (structNestingLevel > 1) {
+ error(line, "", "Embedded struct definitions are not allowed");
+ return true;
+ }
+
+ return false;
+}
+
+void TParseContext::exitStructDeclaration()
+{
+ --structNestingLevel;
+}
+
+namespace {
+
+const int kWebGLMaxStructNesting = 4;
+
+} // namespace
+
+bool TParseContext::structNestingErrorCheck(TSourceLoc line, const TType& fieldType)
+{
+ if (shaderSpec != SH_WEBGL_SPEC) {
+ return false;
+ }
+
+ if (fieldType.getBasicType() != EbtStruct) {
+ return false;
+ }
+
+ // We're already inside a structure definition at this point, so add
+ // one to the field's struct nesting.
+ if (1 + fieldType.getDeepestStructNesting() > kWebGLMaxStructNesting) {
+ std::stringstream extraInfoStream;
+ extraInfoStream << "Reference of struct type " << fieldType.getTypeName()
+ << " exceeds maximum struct nesting of " << kWebGLMaxStructNesting;
+ std::string extraInfo = extraInfoStream.str();
+ error(line, "", "", extraInfo.c_str());
+ return true;
+ }
+
+ return false;
+}
+
+//
+// Parse an array of strings using yyparse.
+//
+// Returns 0 for success.
+//
+int PaParseStrings(int count, const char* const string[], const int length[],
+ TParseContext* context) {
+ if ((count == 0) || (string == NULL))
+ return 1;
+
+ if (glslang_initialize(context))
+ return 1;
+
+ int error = glslang_scan(count, string, length, context);
+ if (!error)
+ error = glslang_parse(context);
+
+ glslang_finalize(context);
+
+ return (error == 0) && (context->numErrors() == 0) ? 0 : 1;
+}
+
+
+
diff --git a/src/GLES2/compiler/ParseHelper.h b/src/GLES2/compiler/ParseHelper.h
new file mode 100644
index 0000000..668e52a
--- /dev/null
+++ b/src/GLES2/compiler/ParseHelper.h
@@ -0,0 +1,140 @@
+//
+// Copyright (c) 2002-2012 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+#ifndef _PARSER_HELPER_INCLUDED_
+#define _PARSER_HELPER_INCLUDED_
+
+#include "compiler/Diagnostics.h"
+#include "compiler/DirectiveHandler.h"
+#include "compiler/localintermediate.h"
+#include "compiler/preprocessor/Preprocessor.h"
+#include "compiler/ShHandle.h"
+#include "compiler/SymbolTable.h"
+
+struct TMatrixFields {
+ bool wholeRow;
+ bool wholeCol;
+ int row;
+ int col;
+};
+
+//
+// The following are extra variables needed during parsing, grouped together so
+// they can be passed to the parser without needing a global.
+//
+struct TParseContext {
+ TParseContext(TSymbolTable& symt, TExtensionBehavior& ext, TIntermediate& interm, ShShaderType type, ShShaderSpec spec, int options, bool checksPrecErrors, const char* sourcePath, TInfoSink& is) :
+ intermediate(interm),
+ symbolTable(symt),
+ shaderType(type),
+ shaderSpec(spec),
+ compileOptions(options),
+ sourcePath(sourcePath),
+ treeRoot(0),
+ lexAfterType(false),
+ loopNestingLevel(0),
+ structNestingLevel(0),
+ inTypeParen(false),
+ currentFunctionType(NULL),
+ functionReturnsValue(false),
+ checksPrecisionErrors(checksPrecErrors),
+ diagnostics(is),
+ directiveHandler(ext, diagnostics),
+ preprocessor(&diagnostics, &directiveHandler),
+ scanner(NULL) { }
+ TIntermediate& intermediate; // to hold and build a parse tree
+ TSymbolTable& symbolTable; // symbol table that goes with the language currently being parsed
+ ShShaderType shaderType; // vertex or fragment language (future: pack or unpack)
+ ShShaderSpec shaderSpec; // The language specification compiler conforms to - GLES2 or WebGL.
+ int compileOptions;
+ const char* sourcePath; // Path of source file or NULL.
+ TIntermNode* treeRoot; // root of parse tree being created
+ bool lexAfterType; // true if we've recognized a type, so can only be looking for an identifier
+ int loopNestingLevel; // 0 if outside all loops
+ int structNestingLevel; // incremented while parsing a struct declaration
+ bool inTypeParen; // true if in parentheses, looking only for an identifier
+ const TType* currentFunctionType; // the return type of the function that's currently being parsed
+ bool functionReturnsValue; // true if a non-void function has a return
+ bool checksPrecisionErrors; // true if an error will be generated when a variable is declared without precision, explicit or implicit.
+ TString HashErrMsg;
+ bool AfterEOF;
+ TDiagnostics diagnostics;
+ TDirectiveHandler directiveHandler;
+ pp::Preprocessor preprocessor;
+ void* scanner;
+
+ int numErrors() const { return diagnostics.numErrors(); }
+ TInfoSink& infoSink() { return diagnostics.infoSink(); }
+ void error(TSourceLoc loc, const char *reason, const char* token,
+ const char* extraInfo="");
+ void warning(TSourceLoc loc, const char* reason, const char* token,
+ const char* extraInfo="");
+ void trace(const char* str);
+ void recover();
+
+ bool parseVectorFields(const TString&, int vecSize, TVectorFields&, int line);
+ bool parseMatrixFields(const TString&, int matSize, TMatrixFields&, int line);
+
+ bool reservedErrorCheck(int line, const TString& identifier);
+ void assignError(int line, const char* op, TString left, TString right);
+ void unaryOpError(int line, const char* op, TString operand);
+ void binaryOpError(int line, const char* op, TString left, TString right);
+ bool precisionErrorCheck(int line, TPrecision precision, TBasicType type);
+ bool lValueErrorCheck(int line, const char* op, TIntermTyped*);
+ bool constErrorCheck(TIntermTyped* node);
+ bool integerErrorCheck(TIntermTyped* node, const char* token);
+ bool globalErrorCheck(int line, bool global, const char* token);
+ bool constructorErrorCheck(int line, TIntermNode*, TFunction&, TOperator, TType*);
+ bool arraySizeErrorCheck(int line, TIntermTyped* expr, int& size);
+ bool arrayQualifierErrorCheck(int line, TPublicType type);
+ bool arrayTypeErrorCheck(int line, TPublicType type);
+ bool arrayErrorCheck(int line, TString& identifier, TPublicType type, TVariable*& variable);
+ bool voidErrorCheck(int, const TString&, const TPublicType&);
+ bool boolErrorCheck(int, const TIntermTyped*);
+ bool boolErrorCheck(int, const TPublicType&);
+ bool samplerErrorCheck(int line, const TPublicType& pType, const char* reason);
+ bool structQualifierErrorCheck(int line, const TPublicType& pType);
+ bool parameterSamplerErrorCheck(int line, TQualifier qualifier, const TType& type);
+ bool nonInitConstErrorCheck(int line, TString& identifier, TPublicType& type, bool array);
+ bool nonInitErrorCheck(int line, TString& identifier, TPublicType& type, TVariable*& variable);
+ bool paramErrorCheck(int line, TQualifier qualifier, TQualifier paramQualifier, TType* type);
+ bool extensionErrorCheck(int line, const TString&);
+
+ const TExtensionBehavior& extensionBehavior() const { return directiveHandler.extensionBehavior(); }
+ bool supportsExtension(const char* extension);
+ void handleExtensionDirective(int line, const char* extName, const char* behavior);
+
+ const TPragma& pragma() const { return directiveHandler.pragma(); }
+ void handlePragmaDirective(int line, const char* name, const char* value);
+
+ bool containsSampler(TType& type);
+ bool areAllChildConst(TIntermAggregate* aggrNode);
+ const TFunction* findFunction(int line, TFunction* pfnCall, bool *builtIn = 0);
+ bool executeInitializer(TSourceLoc line, TString& identifier, TPublicType& pType,
+ TIntermTyped* initializer, TIntermNode*& intermNode, TVariable* variable = 0);
+ bool arraySetMaxSize(TIntermSymbol*, TType*, int, bool, TSourceLoc);
+
+ TIntermTyped* addConstructor(TIntermNode*, const TType*, TOperator, TFunction*, TSourceLoc);
+ TIntermTyped* foldConstConstructor(TIntermAggregate* aggrNode, const TType& type);
+ TIntermTyped* constructStruct(TIntermNode*, TType*, int, TSourceLoc, bool subset);
+ TIntermTyped* constructBuiltIn(const TType*, TOperator, TIntermNode*, TSourceLoc, bool subset);
+ TIntermTyped* addConstVectorNode(TVectorFields&, TIntermTyped*, TSourceLoc);
+ TIntermTyped* addConstMatrixNode(int , TIntermTyped*, TSourceLoc);
+ TIntermTyped* addConstArrayNode(int index, TIntermTyped* node, TSourceLoc line);
+ TIntermTyped* addConstStruct(TString& , TIntermTyped*, TSourceLoc);
+
+ // Performs an error check for embedded struct declarations.
+ // Returns true if an error was raised due to the declaration of
+ // this struct.
+ bool enterStructDeclaration(TSourceLoc line, const TString& identifier);
+ void exitStructDeclaration();
+
+ bool structNestingErrorCheck(TSourceLoc line, const TType& fieldType);
+};
+
+int PaParseStrings(int count, const char* const string[], const int length[],
+ TParseContext* context);
+
+#endif // _PARSER_HELPER_INCLUDED_
diff --git a/src/GLES2/compiler/PoolAlloc.cpp b/src/GLES2/compiler/PoolAlloc.cpp
new file mode 100644
index 0000000..c0ae1ec
--- /dev/null
+++ b/src/GLES2/compiler/PoolAlloc.cpp
@@ -0,0 +1,309 @@
+//
+// Copyright (c) 2002-2012 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+#include "compiler/PoolAlloc.h"
+
+#ifndef _MSC_VER
+#include <stdint.h>
+#endif
+#include <stdio.h>
+
+#include "compiler/InitializeGlobals.h"
+#include "compiler/osinclude.h"
+
+OS_TLSIndex PoolIndex = OS_INVALID_TLS_INDEX;
+
+void InitializeGlobalPools()
+{
+ TThreadGlobalPools* globalPools= static_cast<TThreadGlobalPools*>(OS_GetTLSValue(PoolIndex));
+ if (globalPools)
+ return;
+
+ TThreadGlobalPools* threadData = new TThreadGlobalPools();
+ threadData->globalPoolAllocator = 0;
+
+ OS_SetTLSValue(PoolIndex, threadData);
+}
+
+void FreeGlobalPools()
+{
+ // Release the allocated memory for this thread.
+ TThreadGlobalPools* globalPools= static_cast<TThreadGlobalPools*>(OS_GetTLSValue(PoolIndex));
+ if (!globalPools)
+ return;
+
+ delete globalPools;
+}
+
+bool InitializePoolIndex()
+{
+ // Allocate a TLS index.
+ if ((PoolIndex = OS_AllocTLSIndex()) == OS_INVALID_TLS_INDEX)
+ return false;
+
+ return true;
+}
+
+void FreePoolIndex()
+{
+ // Release the TLS index.
+ OS_FreeTLSIndex(PoolIndex);
+}
+
+TPoolAllocator& GetGlobalPoolAllocator()
+{
+ TThreadGlobalPools* threadData = static_cast<TThreadGlobalPools*>(OS_GetTLSValue(PoolIndex));
+
+ return *threadData->globalPoolAllocator;
+}
+
+void SetGlobalPoolAllocator(TPoolAllocator* poolAllocator)
+{
+ TThreadGlobalPools* threadData = static_cast<TThreadGlobalPools*>(OS_GetTLSValue(PoolIndex));
+
+ threadData->globalPoolAllocator = poolAllocator;
+}
+
+//
+// Implement the functionality of the TPoolAllocator class, which
+// is documented in PoolAlloc.h.
+//
+TPoolAllocator::TPoolAllocator(int growthIncrement, int allocationAlignment) :
+ pageSize(growthIncrement),
+ alignment(allocationAlignment),
+ freeList(0),
+ inUseList(0),
+ numCalls(0),
+ totalBytes(0)
+{
+ //
+ // Don't allow page sizes we know are smaller than all common
+ // OS page sizes.
+ //
+ if (pageSize < 4*1024)
+ pageSize = 4*1024;
+
+ //
+ // A large currentPageOffset indicates a new page needs to
+ // be obtained to allocate memory.
+ //
+ currentPageOffset = pageSize;
+
+ //
+ // Adjust alignment to be at least pointer aligned and
+ // power of 2.
+ //
+ size_t minAlign = sizeof(void*);
+ alignment &= ~(minAlign - 1);
+ if (alignment < minAlign)
+ alignment = minAlign;
+ size_t a = 1;
+ while (a < alignment)
+ a <<= 1;
+ alignment = a;
+ alignmentMask = a - 1;
+
+ //
+ // Align header skip
+ //
+ headerSkip = minAlign;
+ if (headerSkip < sizeof(tHeader)) {
+ headerSkip = (sizeof(tHeader) + alignmentMask) & ~alignmentMask;
+ }
+}
+
+TPoolAllocator::~TPoolAllocator()
+{
+ while (inUseList) {
+ tHeader* next = inUseList->nextPage;
+ inUseList->~tHeader();
+ delete [] reinterpret_cast<char*>(inUseList);
+ inUseList = next;
+ }
+
+ // We should not check the guard blocks
+ // here, because we did it already when the block was
+ // placed into the free list.
+ //
+ while (freeList) {
+ tHeader* next = freeList->nextPage;
+ delete [] reinterpret_cast<char*>(freeList);
+ freeList = next;
+ }
+}
+
+// Support MSVC++ 6.0
+const unsigned char TAllocation::guardBlockBeginVal = 0xfb;
+const unsigned char TAllocation::guardBlockEndVal = 0xfe;
+const unsigned char TAllocation::userDataFill = 0xcd;
+
+#ifdef GUARD_BLOCKS
+ const size_t TAllocation::guardBlockSize = 16;
+#else
+ const size_t TAllocation::guardBlockSize = 0;
+#endif
+
+//
+// Check a single guard block for damage
+//
+void TAllocation::checkGuardBlock(unsigned char* blockMem, unsigned char val, const char* locText) const
+{
+#ifdef GUARD_BLOCKS
+ for (size_t x = 0; x < guardBlockSize; x++) {
+ if (blockMem[x] != val) {
+ char assertMsg[80];
+
+ // We don't print the assert message. It's here just to be helpful.
+ #if defined(_MSC_VER)
+ _snprintf(assertMsg, sizeof(assertMsg), "PoolAlloc: Damage %s %Iu byte allocation at 0x%p\n",
+ locText, size, data());
+ #else
+ snprintf(assertMsg, sizeof(assertMsg), "PoolAlloc: Damage %s %zu byte allocation at 0x%p\n",
+ locText, size, data());
+ #endif
+ assert(0 && "PoolAlloc: Damage in guard block");
+ }
+ }
+#endif
+}
+
+
+void TPoolAllocator::push()
+{
+ tAllocState state = { currentPageOffset, inUseList };
+
+ stack.push_back(state);
+
+ //
+ // Indicate there is no current page to allocate from.
+ //
+ currentPageOffset = pageSize;
+}
+
+//
+// Do a mass-deallocation of all the individual allocations
+// that have occurred since the last push(), or since the
+// last pop(), or since the object's creation.
+//
+// The deallocated pages are saved for future allocations.
+//
+void TPoolAllocator::pop()
+{
+ if (stack.size() < 1)
+ return;
+
+ tHeader* page = stack.back().page;
+ currentPageOffset = stack.back().offset;
+
+ while (inUseList != page) {
+ // invoke destructor to free allocation list
+ inUseList->~tHeader();
+
+ tHeader* nextInUse = inUseList->nextPage;
+ if (inUseList->pageCount > 1)
+ delete [] reinterpret_cast<char*>(inUseList);
+ else {
+ inUseList->nextPage = freeList;
+ freeList = inUseList;
+ }
+ inUseList = nextInUse;
+ }
+
+ stack.pop_back();
+}
+
+//
+// Do a mass-deallocation of all the individual allocations
+// that have occurred.
+//
+void TPoolAllocator::popAll()
+{
+ while (stack.size() > 0)
+ pop();
+}
+
+void* TPoolAllocator::allocate(size_t numBytes)
+{
+ // If we are using guard blocks, all allocations are bracketed by
+ // them: [guardblock][allocation][guardblock]. numBytes is how
+ // much memory the caller asked for. allocationSize is the total
+ // size including guard blocks. In release build,
+ // guardBlockSize=0 and this all gets optimized away.
+ size_t allocationSize = TAllocation::allocationSize(numBytes);
+
+ //
+ // Just keep some interesting statistics.
+ //
+ ++numCalls;
+ totalBytes += numBytes;
+
+ //
+ // Do the allocation, most likely case first, for efficiency.
+ // This step could be moved to be inline sometime.
+ //
+ if (currentPageOffset + allocationSize <= pageSize) {
+ //
+ // Safe to allocate from currentPageOffset.
+ //
+ unsigned char* memory = reinterpret_cast<unsigned char *>(inUseList) + currentPageOffset;
+ currentPageOffset += allocationSize;
+ currentPageOffset = (currentPageOffset + alignmentMask) & ~alignmentMask;
+
+ return initializeAllocation(inUseList, memory, numBytes);
+ }
+
+ if (allocationSize + headerSkip > pageSize) {
+ //
+ // Do a multi-page allocation. Don't mix these with the others.
+ // The OS is efficient and allocating and free-ing multiple pages.
+ //
+ size_t numBytesToAlloc = allocationSize + headerSkip;
+ tHeader* memory = reinterpret_cast<tHeader*>(::new char[numBytesToAlloc]);
+ if (memory == 0)
+ return 0;
+
+ // Use placement-new to initialize header
+ new(memory) tHeader(inUseList, (numBytesToAlloc + pageSize - 1) / pageSize);
+ inUseList = memory;
+
+ currentPageOffset = pageSize; // make next allocation come from a new page
+
+ // No guard blocks for multi-page allocations (yet)
+ return reinterpret_cast<void*>(reinterpret_cast<uintptr_t>(memory) + headerSkip);
+ }
+
+ //
+ // Need a simple page to allocate from.
+ //
+ tHeader* memory;
+ if (freeList) {
+ memory = freeList;
+ freeList = freeList->nextPage;
+ } else {
+ memory = reinterpret_cast<tHeader*>(::new char[pageSize]);
+ if (memory == 0)
+ return 0;
+ }
+
+ // Use placement-new to initialize header
+ new(memory) tHeader(inUseList, 1);
+ inUseList = memory;
+
+ unsigned char* ret = reinterpret_cast<unsigned char *>(inUseList) + headerSkip;
+ currentPageOffset = (headerSkip + allocationSize + alignmentMask) & ~alignmentMask;
+
+ return initializeAllocation(inUseList, ret, numBytes);
+}
+
+
+//
+// Check all allocations in a list for damage by calling check on each.
+//
+void TAllocation::checkAllocList() const
+{
+ for (const TAllocation* alloc = this; alloc != 0; alloc = alloc->prevAlloc)
+ alloc->check();
+}
diff --git a/src/GLES2/compiler/PoolAlloc.h b/src/GLES2/compiler/PoolAlloc.h
new file mode 100644
index 0000000..c33dfd9
--- /dev/null
+++ b/src/GLES2/compiler/PoolAlloc.h
@@ -0,0 +1,306 @@
+//
+// Copyright (c) 2002-2010 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+#ifndef _POOLALLOC_INCLUDED_
+#define _POOLALLOC_INCLUDED_
+
+#ifdef _DEBUG
+#define GUARD_BLOCKS // define to enable guard block sanity checking
+#endif
+
+//
+// This header defines an allocator that can be used to efficiently
+// allocate a large number of small requests for heap memory, with the
+// intention that they are not individually deallocated, but rather
+// collectively deallocated at one time.
+//
+// This simultaneously
+//
+// * Makes each individual allocation much more efficient; the
+// typical allocation is trivial.
+// * Completely avoids the cost of doing individual deallocation.
+// * Saves the trouble of tracking down and plugging a large class of leaks.
+//
+// Individual classes can use this allocator by supplying their own
+// new and delete methods.
+//
+// STL containers can use this allocator by using the pool_allocator
+// class as the allocator (second) template argument.
+//
+
+#include <stddef.h>
+#include <string.h>
+#include <vector>
+
+// If we are using guard blocks, we must track each indivual
+// allocation. If we aren't using guard blocks, these
+// never get instantiated, so won't have any impact.
+//
+
+class TAllocation {
+public:
+ TAllocation(size_t size, unsigned char* mem, TAllocation* prev = 0) :
+ size(size), mem(mem), prevAlloc(prev) {
+ // Allocations are bracketed:
+ // [allocationHeader][initialGuardBlock][userData][finalGuardBlock]
+ // This would be cleaner with if (guardBlockSize)..., but that
+ // makes the compiler print warnings about 0 length memsets,
+ // even with the if() protecting them.
+#ifdef GUARD_BLOCKS
+ memset(preGuard(), guardBlockBeginVal, guardBlockSize);
+ memset(data(), userDataFill, size);
+ memset(postGuard(), guardBlockEndVal, guardBlockSize);
+#endif
+ }
+
+ void check() const {
+ checkGuardBlock(preGuard(), guardBlockBeginVal, "before");
+ checkGuardBlock(postGuard(), guardBlockEndVal, "after");
+ }
+
+ void checkAllocList() const;
+
+ // Return total size needed to accomodate user buffer of 'size',
+ // plus our tracking data.
+ inline static size_t allocationSize(size_t size) {
+ return size + 2 * guardBlockSize + headerSize();
+ }
+
+ // Offset from surrounding buffer to get to user data buffer.
+ inline static unsigned char* offsetAllocation(unsigned char* m) {
+ return m + guardBlockSize + headerSize();
+ }
+
+private:
+ void checkGuardBlock(unsigned char* blockMem, unsigned char val, const char* locText) const;
+
+ // Find offsets to pre and post guard blocks, and user data buffer
+ unsigned char* preGuard() const { return mem + headerSize(); }
+ unsigned char* data() const { return preGuard() + guardBlockSize; }
+ unsigned char* postGuard() const { return data() + size; }
+
+ size_t size; // size of the user data area
+ unsigned char* mem; // beginning of our allocation (pts to header)
+ TAllocation* prevAlloc; // prior allocation in the chain
+
+ // Support MSVC++ 6.0
+ const static unsigned char guardBlockBeginVal;
+ const static unsigned char guardBlockEndVal;
+ const static unsigned char userDataFill;
+
+ const static size_t guardBlockSize;
+#ifdef GUARD_BLOCKS
+ inline static size_t headerSize() { return sizeof(TAllocation); }
+#else
+ inline static size_t headerSize() { return 0; }
+#endif
+};
+
+//
+// There are several stacks. One is to track the pushing and popping
+// of the user, and not yet implemented. The others are simply a
+// repositories of free pages or used pages.
+//
+// Page stacks are linked together with a simple header at the beginning
+// of each allocation obtained from the underlying OS. Multi-page allocations
+// are returned to the OS. Individual page allocations are kept for future
+// re-use.
+//
+// The "page size" used is not, nor must it match, the underlying OS
+// page size. But, having it be about that size or equal to a set of
+// pages is likely most optimal.
+//
+class TPoolAllocator {
+public:
+ TPoolAllocator(int growthIncrement = 8*1024, int allocationAlignment = 16);
+
+ //
+ // Don't call the destructor just to free up the memory, call pop()
+ //
+ ~TPoolAllocator();
+
+ //
+ // Call push() to establish a new place to pop memory too. Does not
+ // have to be called to get things started.
+ //
+ void push();
+
+ //
+ // Call pop() to free all memory allocated since the last call to push(),
+ // or if no last call to push, frees all memory since first allocation.
+ //
+ void pop();
+
+ //
+ // Call popAll() to free all memory allocated.
+ //
+ void popAll();
+
+ //
+ // Call allocate() to actually acquire memory. Returns 0 if no memory
+ // available, otherwise a properly aligned pointer to 'numBytes' of memory.
+ //
+ void* allocate(size_t numBytes);
+
+ //
+ // There is no deallocate. The point of this class is that
+ // deallocation can be skipped by the user of it, as the model
+ // of use is to simultaneously deallocate everything at once
+ // by calling pop(), and to not have to solve memory leak problems.
+ //
+
+protected:
+ friend struct tHeader;
+
+ struct tHeader {
+ tHeader(tHeader* nextPage, size_t pageCount) :
+ nextPage(nextPage),
+ pageCount(pageCount)
+#ifdef GUARD_BLOCKS
+ , lastAllocation(0)
+#endif
+ { }
+
+ ~tHeader() {
+#ifdef GUARD_BLOCKS
+ if (lastAllocation)
+ lastAllocation->checkAllocList();
+#endif
+ }
+
+ tHeader* nextPage;
+ size_t pageCount;
+#ifdef GUARD_BLOCKS
+ TAllocation* lastAllocation;
+#endif
+ };
+
+ struct tAllocState {
+ size_t offset;
+ tHeader* page;
+ };
+ typedef std::vector<tAllocState> tAllocStack;
+
+ // Track allocations if and only if we're using guard blocks
+ void* initializeAllocation(tHeader* block, unsigned char* memory, size_t numBytes) {
+#ifdef GUARD_BLOCKS
+ new(memory) TAllocation(numBytes, memory, block->lastAllocation);
+ block->lastAllocation = reinterpret_cast<TAllocation*>(memory);
+#endif
+ // This is optimized entirely away if GUARD_BLOCKS is not defined.
+ return TAllocation::offsetAllocation(memory);
+ }
+
+ size_t pageSize; // granularity of allocation from the OS
+ size_t alignment; // all returned allocations will be aligned at
+ // this granularity, which will be a power of 2
+ size_t alignmentMask;
+ size_t headerSkip; // amount of memory to skip to make room for the
+ // header (basically, size of header, rounded
+ // up to make it aligned
+ size_t currentPageOffset; // next offset in top of inUseList to allocate from
+ tHeader* freeList; // list of popped memory
+ tHeader* inUseList; // list of all memory currently being used
+ tAllocStack stack; // stack of where to allocate from, to partition pool
+
+ int numCalls; // just an interesting statistic
+ size_t totalBytes; // just an interesting statistic
+private:
+ TPoolAllocator& operator=(const TPoolAllocator&); // dont allow assignment operator
+ TPoolAllocator(const TPoolAllocator&); // dont allow default copy constructor
+};
+
+
+//
+// There could potentially be many pools with pops happening at
+// different times. But a simple use is to have a global pop
+// with everyone using the same global allocator.
+//
+extern TPoolAllocator& GetGlobalPoolAllocator();
+extern void SetGlobalPoolAllocator(TPoolAllocator* poolAllocator);
+#define GlobalPoolAllocator GetGlobalPoolAllocator()
+
+struct TThreadGlobalPools
+{
+ TPoolAllocator* globalPoolAllocator;
+};
+
+//
+// This STL compatible allocator is intended to be used as the allocator
+// parameter to templatized STL containers, like vector and map.
+//
+// It will use the pools for allocation, and not
+// do any deallocation, but will still do destruction.
+//
+template<class T>
+class pool_allocator {
+public:
+ typedef size_t size_type;
+ typedef ptrdiff_t difference_type;
+ typedef T* pointer;
+ typedef const T* const_pointer;
+ typedef T& reference;
+ typedef const T& const_reference;
+ typedef T value_type;
+
+ template<class Other>
+ struct rebind {
+ typedef pool_allocator<Other> other;
+ };
+ pointer address(reference x) const { return &x; }
+ const_pointer address(const_reference x) const { return &x; }
+
+ pool_allocator() : allocator(&GlobalPoolAllocator) { }
+ pool_allocator(TPoolAllocator& a) : allocator(&a) { }
+ pool_allocator(const pool_allocator<T>& p) : allocator(p.allocator) { }
+
+ template <class Other>
+ pool_allocator<T>& operator=(const pool_allocator<Other>& p) {
+ allocator = p.allocator;
+ return *this;
+ }
+
+ template<class Other>
+ pool_allocator(const pool_allocator<Other>& p) : allocator(&p.getAllocator()) { }
+
+#if defined(__SUNPRO_CC) && !defined(_RWSTD_ALLOCATOR)
+ // libCStd on some platforms have a different allocate/deallocate interface.
+ // Caller pre-bakes sizeof(T) into 'n' which is the number of bytes to be
+ // allocated, not the number of elements.
+ void* allocate(size_type n) {
+ return getAllocator().allocate(n);
+ }
+ void* allocate(size_type n, const void*) {
+ return getAllocator().allocate(n);
+ }
+ void deallocate(void*, size_type) {}
+#else
+ pointer allocate(size_type n) {
+ return reinterpret_cast<pointer>(getAllocator().allocate(n * sizeof(T)));
+ }
+ pointer allocate(size_type n, const void*) {
+ return reinterpret_cast<pointer>(getAllocator().allocate(n * sizeof(T)));
+ }
+ void deallocate(pointer, size_type) {}
+#endif // _RWSTD_ALLOCATOR
+
+ void construct(pointer p, const T& val) { new ((void *)p) T(val); }
+ void destroy(pointer p) { p->T::~T(); }
+
+ bool operator==(const pool_allocator& rhs) const { return &getAllocator() == &rhs.getAllocator(); }
+ bool operator!=(const pool_allocator& rhs) const { return &getAllocator() != &rhs.getAllocator(); }
+
+ size_type max_size() const { return static_cast<size_type>(-1) / sizeof(T); }
+ size_type max_size(int size) const { return static_cast<size_type>(-1) / size; }
+
+ void setAllocator(TPoolAllocator *a) { allocator = a; }
+ TPoolAllocator& getAllocator() const { return *allocator; }
+
+protected:
+ TPoolAllocator *allocator;
+};
+
+#endif // _POOLALLOC_INCLUDED_
diff --git a/src/GLES2/compiler/Pragma.h b/src/GLES2/compiler/Pragma.h
new file mode 100644
index 0000000..2f74412
--- /dev/null
+++ b/src/GLES2/compiler/Pragma.h
@@ -0,0 +1,19 @@
+//
+// Copyright (c) 2012 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+#ifndef COMPILER_PRAGMA_H_
+#define COMPILER_PRAGMA_H_
+
+struct TPragma {
+ // By default optimization is turned on and debug is turned off.
+ TPragma() : optimize(true), debug(false) { }
+ TPragma(bool o, bool d) : optimize(o), debug(d) { }
+
+ bool optimize;
+ bool debug;
+};
+
+#endif // COMPILER_PRAGMA_H_
diff --git a/src/GLES2/compiler/QualifierAlive.cpp b/src/GLES2/compiler/QualifierAlive.cpp
new file mode 100644
index 0000000..92a6874
--- /dev/null
+++ b/src/GLES2/compiler/QualifierAlive.cpp
@@ -0,0 +1,58 @@
+//
+// Copyright (c) 2002-2010 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+#include "compiler/intermediate.h"
+
+class TAliveTraverser : public TIntermTraverser {
+public:
+ TAliveTraverser(TQualifier q) : TIntermTraverser(true, false, false, true), found(false), qualifier(q)
+ {
+ }
+
+ bool wasFound() { return found; }
+
+protected:
+ bool found;
+ TQualifier qualifier;
+
+ void visitSymbol(TIntermSymbol*);
+ bool visitSelection(Visit, TIntermSelection*);
+};
+
+//
+// Report whether or not a variable of the given qualifier type
+// is guaranteed written. Not always possible to determine if
+// it is written conditionally.
+//
+// ?? It does not do this well yet, this is just a place holder
+// that simply determines if it was reference at all, anywhere.
+//
+bool QualifierWritten(TIntermNode* node, TQualifier qualifier)
+{
+ TAliveTraverser it(qualifier);
+
+ if (node)
+ node->traverse(&it);
+
+ return it.wasFound();
+}
+
+void TAliveTraverser::visitSymbol(TIntermSymbol* node)
+{
+ //
+ // If it's what we're looking for, record it.
+ //
+ if (node->getQualifier() == qualifier)
+ found = true;
+}
+
+bool TAliveTraverser::visitSelection(Visit preVisit, TIntermSelection* node)
+{
+ if (wasFound())
+ return false;
+
+ return true;
+}
diff --git a/src/GLES2/compiler/QualifierAlive.h b/src/GLES2/compiler/QualifierAlive.h
new file mode 100644
index 0000000..872a06f
--- /dev/null
+++ b/src/GLES2/compiler/QualifierAlive.h
@@ -0,0 +1,7 @@
+//
+// Copyright (c) 2002-2010 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+bool QualifierWritten(TIntermNode* root, TQualifier);
diff --git a/src/GLES2/compiler/RemoveTree.cpp b/src/GLES2/compiler/RemoveTree.cpp
new file mode 100644
index 0000000..a4b8c1e
--- /dev/null
+++ b/src/GLES2/compiler/RemoveTree.cpp
@@ -0,0 +1,77 @@
+//
+// Copyright (c) 2002-2010 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+#include "compiler/intermediate.h"
+#include "compiler/RemoveTree.h"
+
+//
+// Code to recursively delete the intermediate tree.
+//
+
+class RemoveTree : public TIntermTraverser
+{
+public:
+ RemoveTree() : TIntermTraverser(false, false, true)
+ {
+ }
+
+protected:
+ void visitSymbol(TIntermSymbol*);
+ void visitConstantUnion(TIntermConstantUnion*);
+ bool visitBinary(Visit visit, TIntermBinary*);
+ bool visitUnary(Visit visit, TIntermUnary*);
+ bool visitSelection(Visit visit, TIntermSelection*);
+ bool visitAggregate(Visit visit, TIntermAggregate*);
+};
+
+void RemoveTree::visitSymbol(TIntermSymbol* node)
+{
+ delete node;
+}
+
+bool RemoveTree::visitBinary(Visit visit, TIntermBinary* node)
+{
+ delete node;
+
+ return true;
+}
+
+bool RemoveTree::visitUnary(Visit visit, TIntermUnary* node)
+{
+ delete node;
+
+ return true;
+}
+
+bool RemoveTree::visitAggregate(Visit visit, TIntermAggregate* node)
+{
+ delete node;
+
+ return true;
+}
+
+bool RemoveTree::visitSelection(Visit visit, TIntermSelection* node)
+{
+ delete node;
+
+ return true;
+}
+
+void RemoveTree::visitConstantUnion(TIntermConstantUnion* node)
+{
+ delete node;
+}
+
+//
+// Entry point.
+//
+void RemoveAllTreeNodes(TIntermNode* root)
+{
+ RemoveTree it;
+
+ root->traverse(&it);
+}
+
diff --git a/src/GLES2/compiler/RemoveTree.h b/src/GLES2/compiler/RemoveTree.h
new file mode 100644
index 0000000..97a8216
--- /dev/null
+++ b/src/GLES2/compiler/RemoveTree.h
@@ -0,0 +1,7 @@
+//
+// Copyright (c) 2002-2010 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+void RemoveAllTreeNodes(TIntermNode*);
diff --git a/src/GLES2/compiler/ShHandle.h b/src/GLES2/compiler/ShHandle.h
new file mode 100644
index 0000000..a0105ab
--- /dev/null
+++ b/src/GLES2/compiler/ShHandle.h
@@ -0,0 +1,108 @@
+//
+// Copyright (c) 2002-2012 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+#ifndef _SHHANDLE_INCLUDED_
+#define _SHHANDLE_INCLUDED_
+
+//
+// Machine independent part of the compiler private objects
+// sent as ShHandle to the driver.
+//
+// This should not be included by driver code.
+//
+
+#include "GLSLANG/ShaderLang.h"
+
+#include "compiler/ExtensionBehavior.h"
+#include "compiler/InfoSink.h"
+#include "compiler/SymbolTable.h"
+#include "compiler/VariableInfo.h"
+
+class TCompiler;
+
+//
+// The base class used to back handles returned to the driver.
+//
+class TShHandleBase {
+public:
+ TShHandleBase();
+ virtual ~TShHandleBase();
+ virtual TCompiler* getAsCompiler() { return 0; }
+
+protected:
+ // Memory allocator. Allocates and tracks memory required by the compiler.
+ // Deallocates all memory when compiler is destructed.
+ TPoolAllocator allocator;
+};
+
+//
+// The base class for the machine dependent compiler to derive from
+// for managing object code from the compile.
+//
+class TCompiler : public TShHandleBase {
+public:
+ TCompiler(ShShaderType type, ShShaderSpec spec);
+ virtual ~TCompiler();
+ virtual TCompiler* getAsCompiler() { return this; }
+
+ bool Init(const ShBuiltInResources& resources);
+ bool compile(const char* const shaderStrings[],
+ const int numStrings,
+ int compileOptions);
+
+ // Get results of the last compilation.
+ TInfoSink& getInfoSink() { return infoSink; }
+ const TVariableInfoList& getAttribs() const { return attribs; }
+ const TVariableInfoList& getUniforms() const { return uniforms; }
+
+protected:
+ ShShaderType getShaderType() const { return shaderType; }
+ ShShaderSpec getShaderSpec() const { return shaderSpec; }
+ // Initialize symbol-table with built-in symbols.
+ bool InitBuiltInSymbolTable(const ShBuiltInResources& resources);
+ // Clears the results from the previous compilation.
+ void clearResults();
+ // Return true if function recursion is detected.
+ bool detectRecursion(TIntermNode* root);
+ // Returns true if the given shader does not exceed the minimum
+ // functionality mandated in GLSL 1.0 spec Appendix A.
+ bool validateLimitations(TIntermNode* root);
+ // Collect info for all attribs and uniforms.
+ void collectAttribsUniforms(TIntermNode* root);
+ // Translate to object code.
+ virtual void translate(TIntermNode* root) = 0;
+ // Get built-in extensions with default behavior.
+ const TExtensionBehavior& getExtensionBehavior() const;
+
+private:
+ ShShaderType shaderType;
+ ShShaderSpec shaderSpec;
+
+ // Built-in symbol table for the given language, spec, and resources.
+ // It is preserved from compile-to-compile.
+ TSymbolTable symbolTable;
+ // Built-in extensions with default behavior.
+ TExtensionBehavior extensionBehavior;
+
+ // Results of compilation.
+ TInfoSink infoSink; // Output sink.
+ TVariableInfoList attribs; // Active attributes in the compiled shader.
+ TVariableInfoList uniforms; // Active uniforms in the compiled shader.
+};
+
+//
+// This is the interface between the machine independent code
+// and the machine dependent code.
+//
+// The machine dependent code should derive from the classes
+// above. Then Construct*() and Delete*() will create and
+// destroy the machine dependent objects, which contain the
+// above machine independent information.
+//
+TCompiler* ConstructCompiler(ShShaderType type, ShShaderSpec spec);
+void DeleteCompiler(TCompiler*);
+
+#endif // _SHHANDLE_INCLUDED_
diff --git a/src/GLES2/compiler/ShaderLang.cpp b/src/GLES2/compiler/ShaderLang.cpp
new file mode 100644
index 0000000..0da8247
--- /dev/null
+++ b/src/GLES2/compiler/ShaderLang.cpp
@@ -0,0 +1,259 @@
+//
+// Copyright (c) 2002-2012 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+//
+// Implement the top-level of interface to the compiler,
+// as defined in ShaderLang.h
+//
+
+#include "GLSLANG/ShaderLang.h"
+
+#include "compiler/InitializeDll.h"
+#include "compiler/preprocessor/length_limits.h"
+#include "compiler/ShHandle.h"
+
+//
+// This is the platform independent interface between an OGL driver
+// and the shading language compiler.
+//
+
+static bool checkActiveUniformAndAttribMaxLengths(const ShHandle handle,
+ int expectedValue)
+{
+ int activeUniformLimit = 0;
+ ShGetInfo(handle, SH_ACTIVE_UNIFORM_MAX_LENGTH, &activeUniformLimit);
+ int activeAttribLimit = 0;
+ ShGetInfo(handle, SH_ACTIVE_ATTRIBUTE_MAX_LENGTH, &activeAttribLimit);
+ return (expectedValue == activeUniformLimit && expectedValue == activeAttribLimit);
+}
+
+static void getVariableInfo(ShShaderInfo varType,
+ const ShHandle handle,
+ int index,
+ int* length,
+ int* size,
+ ShDataType* type,
+ char* name)
+{
+ if (!handle || !size || !type || !name)
+ return;
+ ASSERT((varType == SH_ACTIVE_ATTRIBUTES) ||
+ (varType == SH_ACTIVE_UNIFORMS));
+
+ TShHandleBase* base = reinterpret_cast<TShHandleBase*>(handle);
+ TCompiler* compiler = base->getAsCompiler();
+ if (compiler == 0)
+ return;
+
+ const TVariableInfoList& varList = varType == SH_ACTIVE_ATTRIBUTES ?
+ compiler->getAttribs() : compiler->getUniforms();
+ if (index < 0 || index >= static_cast<int>(varList.size()))
+ return;
+
+ const TVariableInfo& varInfo = varList[index];
+ if (length) *length = varInfo.name.size();
+ *size = varInfo.size;
+ *type = varInfo.type;
+
+ // This size must match that queried by
+ // SH_ACTIVE_UNIFORM_MAX_LENGTH and SH_ACTIVE_ATTRIBUTE_MAX_LENGTH
+ // in ShGetInfo, below.
+ int activeUniformAndAttribLength = 1 + MAX_SYMBOL_NAME_LEN;
+ ASSERT(checkActiveUniformAndAttribMaxLengths(handle, activeUniformAndAttribLength));
+ strncpy(name, varInfo.name.c_str(), activeUniformAndAttribLength);
+ name[activeUniformAndAttribLength - 1] = 0;
+}
+
+//
+// Driver must call this first, once, before doing any other
+// compiler operations.
+//
+int ShInitialize()
+{
+ if (!InitProcess())
+ return 0;
+
+ return 1;
+}
+
+//
+// Cleanup symbol tables
+//
+int ShFinalize()
+{
+ if (!DetachProcess())
+ return 0;
+
+ return 1;
+}
+
+//
+// Initialize built-in resources with minimum expected values.
+//
+void ShInitBuiltInResources(ShBuiltInResources* resources)
+{
+ // Constants.
+ resources->MaxVertexAttribs = 8;
+ resources->MaxVertexUniformVectors = 128;
+ resources->MaxVaryingVectors = 8;
+ resources->MaxVertexTextureImageUnits = 0;
+ resources->MaxCombinedTextureImageUnits = 8;
+ resources->MaxTextureImageUnits = 8;
+ resources->MaxFragmentUniformVectors = 16;
+ resources->MaxDrawBuffers = 1;
+
+ // Extensions.
+ resources->OES_standard_derivatives = 0;
+}
+
+//
+// Driver calls these to create and destroy compiler objects.
+//
+ShHandle ShConstructCompiler(ShShaderType type, ShShaderSpec spec,
+ const ShBuiltInResources* resources)
+{
+ if (!InitThread())
+ return 0;
+
+ TShHandleBase* base = static_cast<TShHandleBase*>(ConstructCompiler(type, spec));
+ TCompiler* compiler = base->getAsCompiler();
+ if (compiler == 0)
+ return 0;
+
+ // Generate built-in symbol table.
+ if (!compiler->Init(*resources)) {
+ ShDestruct(base);
+ return 0;
+ }
+
+ return reinterpret_cast<void*>(base);
+}
+
+void ShDestruct(ShHandle handle)
+{
+ if (handle == 0)
+ return;
+
+ TShHandleBase* base = static_cast<TShHandleBase*>(handle);
+
+ if (base->getAsCompiler())
+ DeleteCompiler(base->getAsCompiler());
+}
+
+//
+// Do an actual compile on the given strings. The result is left
+// in the given compile object.
+//
+// Return: The return value of ShCompile is really boolean, indicating
+// success or failure.
+//
+int ShCompile(
+ const ShHandle handle,
+ const char* const shaderStrings[],
+ const int numStrings,
+ int compileOptions)
+{
+ if (!InitThread())
+ return 0;
+
+ if (handle == 0)
+ return 0;
+
+ TShHandleBase* base = reinterpret_cast<TShHandleBase*>(handle);
+ TCompiler* compiler = base->getAsCompiler();
+ if (compiler == 0)
+ return 0;
+
+ bool success = compiler->compile(shaderStrings, numStrings, compileOptions);
+ return success ? 1 : 0;
+}
+
+void ShGetInfo(const ShHandle handle, ShShaderInfo pname, int* params)
+{
+ if (!handle || !params)
+ return;
+
+ TShHandleBase* base = static_cast<TShHandleBase*>(handle);
+ TCompiler* compiler = base->getAsCompiler();
+ if (!compiler) return;
+
+ switch(pname)
+ {
+ case SH_INFO_LOG_LENGTH:
+ *params = compiler->getInfoSink().info.size() + 1;
+ break;
+ case SH_OBJECT_CODE_LENGTH:
+ *params = compiler->getInfoSink().obj.size() + 1;
+ break;
+ case SH_ACTIVE_UNIFORMS:
+ *params = compiler->getUniforms().size();
+ break;
+ case SH_ACTIVE_UNIFORM_MAX_LENGTH:
+ *params = 1 + MAX_SYMBOL_NAME_LEN;
+ break;
+ case SH_ACTIVE_ATTRIBUTES:
+ *params = compiler->getAttribs().size();
+ break;
+ case SH_ACTIVE_ATTRIBUTE_MAX_LENGTH:
+ *params = 1 + MAX_SYMBOL_NAME_LEN;
+ break;
+ default: UNREACHABLE();
+ }
+}
+
+//
+// Return any compiler log of messages for the application.
+//
+void ShGetInfoLog(const ShHandle handle, char* infoLog)
+{
+ if (!handle || !infoLog)
+ return;
+
+ TShHandleBase* base = static_cast<TShHandleBase*>(handle);
+ TCompiler* compiler = base->getAsCompiler();
+ if (!compiler) return;
+
+ TInfoSink& infoSink = compiler->getInfoSink();
+ strcpy(infoLog, infoSink.info.c_str());
+}
+
+//
+// Return any object code.
+//
+void ShGetObjectCode(const ShHandle handle, char* objCode)
+{
+ if (!handle || !objCode)
+ return;
+
+ TShHandleBase* base = static_cast<TShHandleBase*>(handle);
+ TCompiler* compiler = base->getAsCompiler();
+ if (!compiler) return;
+
+ TInfoSink& infoSink = compiler->getInfoSink();
+ strcpy(objCode, infoSink.obj.c_str());
+}
+
+void ShGetActiveAttrib(const ShHandle handle,
+ int index,
+ int* length,
+ int* size,
+ ShDataType* type,
+ char* name)
+{
+ getVariableInfo(SH_ACTIVE_ATTRIBUTES,
+ handle, index, length, size, type, name);
+}
+
+void ShGetActiveUniform(const ShHandle handle,
+ int index,
+ int* length,
+ int* size,
+ ShDataType* type,
+ char* name)
+{
+ getVariableInfo(SH_ACTIVE_UNIFORMS,
+ handle, index, length, size, type, name);
+}
diff --git a/src/GLES2/compiler/SymbolTable.cpp b/src/GLES2/compiler/SymbolTable.cpp
new file mode 100644
index 0000000..adf56a8
--- /dev/null
+++ b/src/GLES2/compiler/SymbolTable.cpp
@@ -0,0 +1,284 @@
+//
+// Copyright (c) 2002-2012 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+//
+// Symbol table for parsing. Most functionaliy and main ideas
+// are documented in the header file.
+//
+
+#if defined(_MSC_VER)
+#pragma warning(disable: 4718)
+#endif
+
+#include "compiler/SymbolTable.h"
+
+#include <stdio.h>
+#include <algorithm>
+
+#if defined(_MSC_VER)
+#define snprintf _snprintf
+#endif
+
+TType::TType(const TPublicType &p) :
+ type(p.type), precision(p.precision), qualifier(p.qualifier), size(p.size), matrix(p.matrix), array(p.array), arraySize(p.arraySize),
+ maxArraySize(0), arrayInformationType(0), structure(0), structureSize(0), deepestStructNesting(0), fieldName(0), mangled(0), typeName(0)
+{
+ if (p.userDef)
+ {
+ structure = p.userDef->getStruct();
+ typeName = NewPoolTString(p.userDef->getTypeName().c_str());
+ computeDeepestStructNesting();
+ }
+}
+
+//
+// Recursively generate mangled names.
+//
+void TType::buildMangledName(TString& mangledName)
+{
+ if (isMatrix())
+ mangledName += 'm';
+ else if (isVector())
+ mangledName += 'v';
+
+ switch (type) {
+ case EbtFloat: mangledName += 'f'; break;
+ case EbtInt: mangledName += 'i'; break;
+ case EbtBool: mangledName += 'b'; break;
+ case EbtSampler2D: mangledName += "s2"; break;
+ case EbtSamplerCube: mangledName += "sC"; break;
+ case EbtStruct:
+ mangledName += "struct-";
+ if (typeName)
+ mangledName += *typeName;
+ {// support MSVC++6.0
+ for (unsigned int i = 0; i < structure->size(); ++i) {
+ mangledName += '-';
+ (*structure)[i].type->buildMangledName(mangledName);
+ }
+ }
+ default:
+ break;
+ }
+
+ mangledName += static_cast<char>('0' + getNominalSize());
+ if (isArray()) {
+ char buf[20];
+ snprintf(buf, sizeof(buf), "%d", arraySize);
+ mangledName += '[';
+ mangledName += buf;
+ mangledName += ']';
+ }
+}
+
+int TType::getStructSize() const
+{
+ if (!getStruct()) {
+ assert(false && "Not a struct");
+ return 0;
+ }
+
+ if (structureSize == 0)
+ for (TTypeList::const_iterator tl = getStruct()->begin(); tl != getStruct()->end(); tl++)
+ structureSize += ((*tl).type)->getObjectSize();
+
+ return structureSize;
+}
+
+void TType::computeDeepestStructNesting()
+{
+ if (!structure)
+ {
+ return;
+ }
+
+ int maxNesting = 0;
+ for (TTypeList::const_iterator tl = structure->begin(); tl != structure->end(); tl++)
+ {
+ maxNesting = std::max(maxNesting, ((*tl).type)->getDeepestStructNesting());
+ }
+
+ deepestStructNesting = 1 + maxNesting;
+}
+
+bool TType::isStructureContainingArrays() const
+{
+ if (!structure)
+ {
+ return false;
+ }
+
+ for (TTypeList::const_iterator member = structure->begin(); member != structure->end(); member++)
+ {
+ if (member->type->isArray() ||
+ member->type->isStructureContainingArrays())
+ {
+ return true;
+ }
+ }
+
+ return false;
+}
+
+//
+// Dump functions.
+//
+
+void TVariable::dump(TInfoSink& infoSink) const
+{
+ infoSink.debug << getName().c_str() << ": " << type.getQualifierString() << " " << type.getPrecisionString() << " " << type.getBasicString();
+ if (type.isArray()) {
+ infoSink.debug << "[0]";
+ }
+ infoSink.debug << "\n";
+}
+
+void TFunction::dump(TInfoSink &infoSink) const
+{
+ infoSink.debug << getName().c_str() << ": " << returnType.getBasicString() << " " << getMangledName().c_str() << "\n";
+}
+
+void TSymbolTableLevel::dump(TInfoSink &infoSink) const
+{
+ tLevel::const_iterator it;
+ for (it = level.begin(); it != level.end(); ++it)
+ (*it).second->dump(infoSink);
+}
+
+void TSymbolTable::dump(TInfoSink &infoSink) const
+{
+ for (int level = currentLevel(); level >= 0; --level) {
+ infoSink.debug << "LEVEL " << level << "\n";
+ table[level]->dump(infoSink);
+ }
+}
+
+//
+// Functions have buried pointers to delete.
+//
+TFunction::~TFunction()
+{
+ for (TParamList::iterator i = parameters.begin(); i != parameters.end(); ++i)
+ delete (*i).type;
+}
+
+//
+// Symbol table levels are a map of pointers to symbols that have to be deleted.
+//
+TSymbolTableLevel::~TSymbolTableLevel()
+{
+ for (tLevel::iterator it = level.begin(); it != level.end(); ++it)
+ delete (*it).second;
+}
+
+//
+// Change all function entries in the table with the non-mangled name
+// to be related to the provided built-in operation. This is a low
+// performance operation, and only intended for symbol tables that
+// live across a large number of compiles.
+//
+void TSymbolTableLevel::relateToOperator(const char* name, TOperator op)
+{
+ tLevel::iterator it;
+ for (it = level.begin(); it != level.end(); ++it) {
+ if ((*it).second->isFunction()) {
+ TFunction* function = static_cast<TFunction*>((*it).second);
+ if (function->getName() == name)
+ function->relateToOperator(op);
+ }
+ }
+}
+
+//
+// Change all function entries in the table with the non-mangled name
+// to be related to the provided built-in extension. This is a low
+// performance operation, and only intended for symbol tables that
+// live across a large number of compiles.
+//
+void TSymbolTableLevel::relateToExtension(const char* name, const TString& ext)
+{
+ for (tLevel::iterator it = level.begin(); it != level.end(); ++it) {
+ if (it->second->isFunction()) {
+ TFunction* function = static_cast<TFunction*>(it->second);
+ if (function->getName() == name)
+ function->relateToExtension(ext);
+ }
+ }
+}
+
+TSymbol::TSymbol(const TSymbol& copyOf)
+{
+ name = NewPoolTString(copyOf.name->c_str());
+ uniqueId = copyOf.uniqueId;
+}
+
+TVariable::TVariable(const TVariable& copyOf, TStructureMap& remapper) : TSymbol(copyOf)
+{
+ type.copyType(copyOf.type, remapper);
+ userType = copyOf.userType;
+ // for builtIn symbol table level, unionArray and arrayInformation pointers should be NULL
+ assert(copyOf.arrayInformationType == 0);
+ arrayInformationType = 0;
+
+ if (copyOf.unionArray) {
+ assert(!copyOf.type.getStruct());
+ assert(copyOf.type.getObjectSize() == 1);
+ unionArray = new ConstantUnion[1];
+ unionArray[0] = copyOf.unionArray[0];
+ } else
+ unionArray = 0;
+}
+
+TVariable* TVariable::clone(TStructureMap& remapper)
+{
+ TVariable *variable = new TVariable(*this, remapper);
+
+ return variable;
+}
+
+TFunction::TFunction(const TFunction& copyOf, TStructureMap& remapper) : TSymbol(copyOf)
+{
+ for (unsigned int i = 0; i < copyOf.parameters.size(); ++i) {
+ TParameter param;
+ parameters.push_back(param);
+ parameters.back().copyParam(copyOf.parameters[i], remapper);
+ }
+
+ returnType.copyType(copyOf.returnType, remapper);
+ mangledName = copyOf.mangledName;
+ op = copyOf.op;
+ defined = copyOf.defined;
+}
+
+TFunction* TFunction::clone(TStructureMap& remapper)
+{
+ TFunction *function = new TFunction(*this, remapper);
+
+ return function;
+}
+
+TSymbolTableLevel* TSymbolTableLevel::clone(TStructureMap& remapper)
+{
+ TSymbolTableLevel *symTableLevel = new TSymbolTableLevel();
+ tLevel::iterator iter;
+ for (iter = level.begin(); iter != level.end(); ++iter) {
+ symTableLevel->insert(*iter->second->clone(remapper));
+ }
+
+ return symTableLevel;
+}
+
+void TSymbolTable::copyTable(const TSymbolTable& copyOf)
+{
+ TStructureMap remapper;
+ uniqueId = copyOf.uniqueId;
+ for (unsigned int i = 0; i < copyOf.table.size(); ++i) {
+ table.push_back(copyOf.table[i]->clone(remapper));
+ }
+ for( unsigned int i = 0; i < copyOf.precisionStack.size(); i++) {
+ precisionStack.push_back( copyOf.precisionStack[i] );
+ }
+}
diff --git a/src/GLES2/compiler/SymbolTable.h b/src/GLES2/compiler/SymbolTable.h
new file mode 100644
index 0000000..40d7012
--- /dev/null
+++ b/src/GLES2/compiler/SymbolTable.h
@@ -0,0 +1,359 @@
+//
+// Copyright (c) 2002-2012 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+#ifndef _SYMBOL_TABLE_INCLUDED_
+#define _SYMBOL_TABLE_INCLUDED_
+
+//
+// Symbol table for parsing. Has these design characteristics:
+//
+// * Same symbol table can be used to compile many shaders, to preserve
+// effort of creating and loading with the large numbers of built-in
+// symbols.
+//
+// * Name mangling will be used to give each function a unique name
+// so that symbol table lookups are never ambiguous. This allows
+// a simpler symbol table structure.
+//
+// * Pushing and popping of scope, so symbol table will really be a stack
+// of symbol tables. Searched from the top, with new inserts going into
+// the top.
+//
+// * Constants: Compile time constant symbols will keep their values
+// in the symbol table. The parser can substitute constants at parse
+// time, including doing constant folding and constant propagation.
+//
+// * No temporaries: Temporaries made from operations (+, --, .xy, etc.)
+// are tracked in the intermediate representation, not the symbol table.
+//
+
+#include <assert.h>
+
+#include "compiler/InfoSink.h"
+#include "compiler/intermediate.h"
+
+//
+// Symbol base class. (Can build functions or variables out of these...)
+//
+class TSymbol {
+public:
+ POOL_ALLOCATOR_NEW_DELETE(GlobalPoolAllocator)
+ TSymbol(const TString *n) : name(n) { }
+ virtual ~TSymbol() { /* don't delete name, it's from the pool */ }
+ const TString& getName() const { return *name; }
+ virtual const TString& getMangledName() const { return getName(); }
+ virtual bool isFunction() const { return false; }
+ virtual bool isVariable() const { return false; }
+ void setUniqueId(int id) { uniqueId = id; }
+ int getUniqueId() const { return uniqueId; }
+ virtual void dump(TInfoSink &infoSink) const = 0;
+ TSymbol(const TSymbol&);
+ virtual TSymbol* clone(TStructureMap& remapper) = 0;
+
+protected:
+ const TString *name;
+ unsigned int uniqueId; // For real comparing during code generation
+};
+
+//
+// Variable class, meaning a symbol that's not a function.
+//
+// There could be a separate class heirarchy for Constant variables;
+// Only one of int, bool, or float, (or none) is correct for
+// any particular use, but it's easy to do this way, and doesn't
+// seem worth having separate classes, and "getConst" can't simply return
+// different values for different types polymorphically, so this is
+// just simple and pragmatic.
+//
+class TVariable : public TSymbol {
+public:
+ TVariable(const TString *name, const TType& t, bool uT = false ) : TSymbol(name), type(t), userType(uT), unionArray(0), arrayInformationType(0) { }
+ virtual ~TVariable() { }
+ virtual bool isVariable() const { return true; }
+ TType& getType() { return type; }
+ const TType& getType() const { return type; }
+ bool isUserType() const { return userType; }
+ void setQualifier(TQualifier qualifier) { type.setQualifier(qualifier); }
+ void updateArrayInformationType(TType *t) { arrayInformationType = t; }
+ TType* getArrayInformationType() { return arrayInformationType; }
+
+ virtual void dump(TInfoSink &infoSink) const;
+
+ ConstantUnion* getConstPointer()
+ {
+ if (!unionArray)
+ unionArray = new ConstantUnion[type.getObjectSize()];
+
+ return unionArray;
+ }
+
+ ConstantUnion* getConstPointer() const { return unionArray; }
+
+ void shareConstPointer( ConstantUnion *constArray)
+ {
+ if (unionArray == constArray)
+ return;
+
+ delete[] unionArray;
+ unionArray = constArray;
+ }
+ TVariable(const TVariable&, TStructureMap& remapper); // copy constructor
+ virtual TVariable* clone(TStructureMap& remapper);
+
+protected:
+ TType type;
+ bool userType;
+ // we are assuming that Pool Allocator will free the memory allocated to unionArray
+ // when this object is destroyed
+ ConstantUnion *unionArray;
+ TType *arrayInformationType; // this is used for updating maxArraySize in all the references to a given symbol
+};
+
+//
+// The function sub-class of symbols and the parser will need to
+// share this definition of a function parameter.
+//
+struct TParameter {
+ TString *name;
+ TType* type;
+ void copyParam(const TParameter& param, TStructureMap& remapper)
+ {
+ name = NewPoolTString(param.name->c_str());
+ type = param.type->clone(remapper);
+ }
+};
+
+//
+// The function sub-class of a symbol.
+//
+class TFunction : public TSymbol {
+public:
+ TFunction(TOperator o) :
+ TSymbol(0),
+ returnType(TType(EbtVoid, EbpUndefined)),
+ op(o),
+ defined(false) { }
+ TFunction(const TString *name, TType& retType, TOperator tOp = EOpNull) :
+ TSymbol(name),
+ returnType(retType),
+ mangledName(TFunction::mangleName(*name)),
+ op(tOp),
+ defined(false) { }
+ virtual ~TFunction();
+ virtual bool isFunction() const { return true; }
+
+ static TString mangleName(const TString& name) { return name + '('; }
+ static TString unmangleName(const TString& mangledName)
+ {
+ return TString(mangledName.c_str(), mangledName.find_first_of('('));
+ }
+
+ void addParameter(TParameter& p)
+ {
+ parameters.push_back(p);
+ mangledName = mangledName + p.type->getMangledName();
+ }
+
+ const TString& getMangledName() const { return mangledName; }
+ const TType& getReturnType() const { return returnType; }
+
+ void relateToOperator(TOperator o) { op = o; }
+ TOperator getBuiltInOp() const { return op; }
+
+ void relateToExtension(const TString& ext) { extension = ext; }
+ const TString& getExtension() const { return extension; }
+
+ void setDefined() { defined = true; }
+ bool isDefined() { return defined; }
+
+ int getParamCount() const { return static_cast<int>(parameters.size()); }
+ const TParameter& getParam(int i) const { return parameters[i]; }
+
+ virtual void dump(TInfoSink &infoSink) const;
+ TFunction(const TFunction&, TStructureMap& remapper);
+ virtual TFunction* clone(TStructureMap& remapper);
+
+protected:
+ typedef TVector<TParameter> TParamList;
+ TParamList parameters;
+ TType returnType;
+ TString mangledName;
+ TOperator op;
+ TString extension;
+ bool defined;
+};
+
+
+class TSymbolTableLevel {
+public:
+ typedef TMap<TString, TSymbol*> tLevel;
+ typedef tLevel::const_iterator const_iterator;
+ typedef const tLevel::value_type tLevelPair;
+ typedef std::pair<tLevel::iterator, bool> tInsertResult;
+
+ POOL_ALLOCATOR_NEW_DELETE(GlobalPoolAllocator)
+ TSymbolTableLevel() { }
+ ~TSymbolTableLevel();
+
+ bool insert(TSymbol& symbol)
+ {
+ //
+ // returning true means symbol was added to the table
+ //
+ tInsertResult result;
+ result = level.insert(tLevelPair(symbol.getMangledName(), &symbol));
+
+ return result.second;
+ }
+
+ TSymbol* find(const TString& name) const
+ {
+ tLevel::const_iterator it = level.find(name);
+ if (it == level.end())
+ return 0;
+ else
+ return (*it).second;
+ }
+
+ const_iterator begin() const
+ {
+ return level.begin();
+ }
+
+ const_iterator end() const
+ {
+ return level.end();
+ }
+
+ void relateToOperator(const char* name, TOperator op);
+ void relateToExtension(const char* name, const TString& ext);
+ void dump(TInfoSink &infoSink) const;
+ TSymbolTableLevel* clone(TStructureMap& remapper);
+
+protected:
+ tLevel level;
+};
+
+class TSymbolTable {
+public:
+ TSymbolTable() : uniqueId(0)
+ {
+ //
+ // The symbol table cannot be used until push() is called, but
+ // the lack of an initial call to push() can be used to detect
+ // that the symbol table has not been preloaded with built-ins.
+ //
+ }
+
+ ~TSymbolTable()
+ {
+ // level 0 is always built In symbols, so we never pop that out
+ while (table.size() > 1)
+ pop();
+ }
+
+ //
+ // When the symbol table is initialized with the built-ins, there should
+ // 'push' calls, so that built-ins are at level 0 and the shader
+ // globals are at level 1.
+ //
+ bool isEmpty() { return table.size() == 0; }
+ bool atBuiltInLevel() { return table.size() == 1; }
+ bool atGlobalLevel() { return table.size() <= 2; }
+ void push()
+ {
+ table.push_back(new TSymbolTableLevel);
+ precisionStack.push_back( PrecisionStackLevel() );
+ }
+
+ void pop()
+ {
+ delete table[currentLevel()];
+ table.pop_back();
+ precisionStack.pop_back();
+ }
+
+ bool insert(TSymbol& symbol)
+ {
+ symbol.setUniqueId(++uniqueId);
+ return table[currentLevel()]->insert(symbol);
+ }
+
+ TSymbol* find(const TString& name, bool* builtIn = 0, bool *sameScope = 0)
+ {
+ int level = currentLevel();
+ TSymbol* symbol;
+ do {
+ symbol = table[level]->find(name);
+ --level;
+ } while (symbol == 0 && level >= 0);
+ level++;
+ if (builtIn)
+ *builtIn = level == 0;
+ if (sameScope)
+ *sameScope = level == currentLevel();
+ return symbol;
+ }
+
+ TSymbol *findBuiltIn(const TString &name)
+ {
+ return table[0]->find(name);
+ }
+
+ TSymbolTableLevel* getGlobalLevel() {
+ assert(table.size() >= 2);
+ return table[1];
+ }
+
+ TSymbolTableLevel* getOuterLevel() {
+ assert(table.size() >= 2);
+ return table[currentLevel() - 1];
+ }
+
+ void relateToOperator(const char* name, TOperator op) {
+ table[0]->relateToOperator(name, op);
+ }
+ void relateToExtension(const char* name, const TString& ext) {
+ table[0]->relateToExtension(name, ext);
+ }
+ int getMaxSymbolId() { return uniqueId; }
+ void dump(TInfoSink &infoSink) const;
+ void copyTable(const TSymbolTable& copyOf);
+
+ void setDefaultPrecision( TBasicType type, TPrecision prec ){
+ if( type != EbtFloat && type != EbtInt ) return; // Only set default precision for int/float
+ int indexOfLastElement = static_cast<int>(precisionStack.size()) - 1;
+ precisionStack[indexOfLastElement][type] = prec; // Uses map operator [], overwrites the current value
+ }
+
+ // Searches down the precisionStack for a precision qualifier for the specified TBasicType
+ TPrecision getDefaultPrecision( TBasicType type){
+ if( type != EbtFloat && type != EbtInt ) return EbpUndefined;
+ int level = static_cast<int>(precisionStack.size()) - 1;
+ assert( level >= 0); // Just to be safe. Should not happen.
+ PrecisionStackLevel::iterator it;
+ TPrecision prec = EbpUndefined; // If we dont find anything we return this. Should we error check this?
+ while( level >= 0 ){
+ it = precisionStack[level].find( type );
+ if( it != precisionStack[level].end() ){
+ prec = (*it).second;
+ break;
+ }
+ level--;
+ }
+ return prec;
+ }
+
+protected:
+ int currentLevel() const { return static_cast<int>(table.size()) - 1; }
+
+ std::vector<TSymbolTableLevel*> table;
+ typedef std::map< TBasicType, TPrecision > PrecisionStackLevel;
+ std::vector< PrecisionStackLevel > precisionStack;
+ int uniqueId; // for unique identification in code generation
+};
+
+#endif // _SYMBOL_TABLE_INCLUDED_
diff --git a/src/GLES2/compiler/TranslatorASM.cpp b/src/GLES2/compiler/TranslatorASM.cpp
new file mode 100644
index 0000000..bffddf4
--- /dev/null
+++ b/src/GLES2/compiler/TranslatorASM.cpp
@@ -0,0 +1,44 @@
+// SwiftShader Software Renderer
+//
+// Copyright(c) 2005-2012 TransGaming Inc.
+//
+// All rights reserved. No part of this software may be copied, distributed, transmitted,
+// transcribed, stored in a retrieval system, translated into any human or computer
+// language by any means, or disclosed to third parties without the explicit written
+// agreement of TransGaming Inc. Without such an agreement, no rights or licenses, express
+// or implied, including but not limited to any patent rights, are granted to you.
+//
+
+#include "TranslatorASM.h"
+
+#include "InitializeParseContext.h"
+
+TranslatorASM::TranslatorASM(gl::Shader *shaderObject, ShShaderType type, ShShaderSpec spec) : TCompiler(type, spec), shaderObject(shaderObject)
+{
+}
+
+void TranslatorASM::translate(TIntermNode* root)
+{
+ TParseContext& parseContext = *GetGlobalParseContext();
+ sh::OutputASM outputASM(parseContext, shaderObject);
+
+ outputASM.output();
+}
+
+//
+// This function must be provided to create the actual
+// compile object used by higher level code. It returns
+// a subclass of TCompiler.
+//
+TCompiler* ConstructCompiler(ShShaderType type, ShShaderSpec spec)
+{
+ return new TranslatorASM(0, type, spec);
+}
+
+//
+// Delete the compiler made by ConstructCompiler
+//
+void DeleteCompiler(TCompiler* compiler)
+{
+ delete compiler;
+}
\ No newline at end of file
diff --git a/src/GLES2/compiler/TranslatorASM.h b/src/GLES2/compiler/TranslatorASM.h
new file mode 100644
index 0000000..f6502dd
--- /dev/null
+++ b/src/GLES2/compiler/TranslatorASM.h
@@ -0,0 +1,37 @@
+// SwiftShader Software Renderer
+//
+// Copyright(c) 2005-2012 TransGaming Inc.
+//
+// All rights reserved. No part of this software may be copied, distributed, transmitted,
+// transcribed, stored in a retrieval system, translated into any human or computer
+// language by any means, or disclosed to third parties without the explicit written
+// agreement of TransGaming Inc. Without such an agreement, no rights or licenses, express
+// or implied, including but not limited to any patent rights, are granted to you.
+//
+
+#ifndef COMPILER_TRANSLATORASM_H_
+#define COMPILER_TRANSLATORASM_H_
+
+#include "ShHandle.h"
+#include "OutputASM.h"
+#include "Shader/PixelShader.hpp"
+#include "Shader/VertexShader.hpp"
+
+namespace gl
+{
+ class Shader;
+}
+
+class TranslatorASM : public TCompiler
+{
+public:
+ TranslatorASM(gl::Shader *shaderObject, ShShaderType type, ShShaderSpec spec);
+
+protected:
+ virtual void translate(TIntermNode* root);
+
+private:
+ gl::Shader *const shaderObject;
+};
+
+#endif // COMPILER_TRANSLATORASM_H_
diff --git a/src/GLES2/compiler/Types.h b/src/GLES2/compiler/Types.h
new file mode 100644
index 0000000..460a433
--- /dev/null
+++ b/src/GLES2/compiler/Types.h
@@ -0,0 +1,368 @@
+//
+// Copyright (c) 2002-2012 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+#ifndef _TYPES_INCLUDED
+#define _TYPES_INCLUDED
+
+#include "compiler/BaseTypes.h"
+#include "compiler/Common.h"
+#include "compiler/debug.h"
+
+class TType;
+struct TPublicType;
+
+//
+// Need to have association of line numbers to types in a list for building structs.
+//
+struct TTypeLine {
+ TType* type;
+ int line;
+};
+typedef TVector<TTypeLine> TTypeList;
+
+inline TTypeList* NewPoolTTypeList()
+{
+ void* memory = GlobalPoolAllocator.allocate(sizeof(TTypeList));
+ return new(memory) TTypeList;
+}
+
+typedef TMap<TTypeList*, TTypeList*> TStructureMap;
+typedef TMap<TTypeList*, TTypeList*>::iterator TStructureMapIterator;
+
+//
+// Base class for things that have a type.
+//
+class TType
+{
+public:
+ POOL_ALLOCATOR_NEW_DELETE(GlobalPoolAllocator)
+ TType() {}
+ TType(TBasicType t, TPrecision p, TQualifier q = EvqTemporary, int s = 1, bool m = false, bool a = false) :
+ type(t), precision(p), qualifier(q), size(s), matrix(m), array(a), arraySize(0),
+ maxArraySize(0), arrayInformationType(0), structure(0), structureSize(0), deepestStructNesting(0), fieldName(0), mangled(0), typeName(0)
+ {
+ }
+ explicit TType(const TPublicType &p);
+ TType(TTypeList* userDef, const TString& n, TPrecision p = EbpUndefined) :
+ type(EbtStruct), precision(p), qualifier(EvqTemporary), size(1), matrix(false), array(false), arraySize(0),
+ maxArraySize(0), arrayInformationType(0), structure(userDef), structureSize(0), deepestStructNesting(0), fieldName(0), mangled(0)
+ {
+ typeName = NewPoolTString(n.c_str());
+ }
+
+ void copyType(const TType& copyOf, TStructureMap& remapper)
+ {
+ type = copyOf.type;
+ precision = copyOf.precision;
+ qualifier = copyOf.qualifier;
+ size = copyOf.size;
+ matrix = copyOf.matrix;
+ array = copyOf.array;
+ arraySize = copyOf.arraySize;
+
+ TStructureMapIterator iter;
+ if (copyOf.structure) {
+ if ((iter = remapper.find(structure)) == remapper.end()) {
+ // create the new structure here
+ structure = NewPoolTTypeList();
+ for (unsigned int i = 0; i < copyOf.structure->size(); ++i) {
+ TTypeLine typeLine;
+ typeLine.line = (*copyOf.structure)[i].line;
+ typeLine.type = (*copyOf.structure)[i].type->clone(remapper);
+ structure->push_back(typeLine);
+ }
+ } else {
+ structure = iter->second;
+ }
+ } else
+ structure = 0;
+
+ fieldName = 0;
+ if (copyOf.fieldName)
+ fieldName = NewPoolTString(copyOf.fieldName->c_str());
+ typeName = 0;
+ if (copyOf.typeName)
+ typeName = NewPoolTString(copyOf.typeName->c_str());
+
+ mangled = 0;
+ if (copyOf.mangled)
+ mangled = NewPoolTString(copyOf.mangled->c_str());
+
+ structureSize = copyOf.structureSize;
+ maxArraySize = copyOf.maxArraySize;
+ deepestStructNesting = copyOf.deepestStructNesting;
+ assert(copyOf.arrayInformationType == 0);
+ arrayInformationType = 0; // arrayInformationType should not be set for builtIn symbol table level
+ }
+
+ TType* clone(TStructureMap& remapper)
+ {
+ TType *newType = new TType();
+ newType->copyType(*this, remapper);
+
+ return newType;
+ }
+
+ TBasicType getBasicType() const { return type; }
+ void setBasicType(TBasicType t) { type = t; }
+
+ TPrecision getPrecision() const { return precision; }
+ void setPrecision(TPrecision p) { precision = p; }
+
+ TQualifier getQualifier() const { return qualifier; }
+ void setQualifier(TQualifier q) { qualifier = q; }
+
+ // One-dimensional size of single instance type
+ int getNominalSize() const { return size; }
+ void setNominalSize(int s) { size = s; }
+ // Full size of single instance of type
+ int getObjectSize() const
+ {
+ if(isArray())
+ {
+ return getElementSize() * std::max(getArraySize(), getMaxArraySize());
+ }
+ else
+ {
+ return getElementSize();
+ }
+ }
+
+ int getElementSize() const
+ {
+ if(getBasicType() == EbtStruct)
+ {
+ return getStructSize();
+ }
+ else if(matrix)
+ {
+ return size * size;
+ }
+ else // Vector or scalar
+ {
+ return size;
+ }
+ }
+
+ int elementRegisterCount() const
+ {
+ TTypeList *structure = getStruct();
+
+ if(structure)
+ {
+ int registerCount = 0;
+
+ for(size_t i = 0; i < structure->size(); i++)
+ {
+ registerCount += (*structure)[i].type->totalRegisterCount();
+ }
+
+ return registerCount;
+ }
+ else if(isMatrix())
+ {
+ return getNominalSize();
+ }
+ else
+ {
+ return 1;
+ }
+ }
+
+ int totalRegisterCount() const
+ {
+ if(array)
+ {
+ return arraySize * elementRegisterCount();
+ }
+ else
+ {
+ return elementRegisterCount();
+ }
+ }
+
+ bool isMatrix() const { return matrix ? true : false; }
+ void setMatrix(bool m) { matrix = m; }
+
+ bool isArray() const { return array ? true : false; }
+ int getArraySize() const { return arraySize; }
+ void setArraySize(int s) { array = true; arraySize = s; }
+ int getMaxArraySize () const { return maxArraySize; }
+ void setMaxArraySize (int s) { maxArraySize = s; }
+ void clearArrayness() { array = false; arraySize = 0; maxArraySize = 0; }
+ void setArrayInformationType(TType* t) { arrayInformationType = t; }
+ TType* getArrayInformationType() const { return arrayInformationType; }
+
+ bool isVector() const { return size > 1 && !matrix; }
+ bool isScalar() const { return size == 1 && !matrix && !structure; }
+ bool isRegister() const { return !matrix && !structure && !array; } // Fits in a 4-element register
+ bool isStruct() const { return structure != 0; }
+
+ TTypeList* getStruct() const { return structure; }
+ void setStruct(TTypeList* s) { structure = s; computeDeepestStructNesting(); }
+
+ const TString& getTypeName() const
+ {
+ assert(typeName);
+ return *typeName;
+ }
+ void setTypeName(const TString& n)
+ {
+ typeName = NewPoolTString(n.c_str());
+ }
+
+ bool isField() const { return fieldName != 0; }
+ const TString& getFieldName() const
+ {
+ assert(fieldName);
+ return *fieldName;
+ }
+ void setFieldName(const TString& n)
+ {
+ fieldName = NewPoolTString(n.c_str());
+ }
+
+ TString& getMangledName() {
+ if (!mangled) {
+ mangled = NewPoolTString("");
+ buildMangledName(*mangled);
+ *mangled += ';' ;
+ }
+
+ return *mangled;
+ }
+
+ bool sameElementType(const TType& right) const {
+ return type == right.type &&
+ size == right.size &&
+ matrix == right.matrix &&
+ structure == right.structure;
+ }
+ bool operator==(const TType& right) const {
+ return type == right.type &&
+ size == right.size &&
+ matrix == right.matrix &&
+ array == right.array && (!array || arraySize == right.arraySize) &&
+ structure == right.structure;
+ // don't check the qualifier, it's not ever what's being sought after
+ }
+ bool operator!=(const TType& right) const {
+ return !operator==(right);
+ }
+ bool operator<(const TType& right) const {
+ if (type != right.type) return type < right.type;
+ if (size != right.size) return size < right.size;
+ if (matrix != right.matrix) return matrix < right.matrix;
+ if (array != right.array) return array < right.array;
+ if (arraySize != right.arraySize) return arraySize < right.arraySize;
+ if (structure != right.structure) return structure < right.structure;
+
+ return false;
+ }
+
+ const char* getBasicString() const { return ::getBasicString(type); }
+ const char* getPrecisionString() const { return ::getPrecisionString(precision); }
+ const char* getQualifierString() const { return ::getQualifierString(qualifier); }
+ TString getCompleteString() const;
+
+ // If this type is a struct, returns the deepest struct nesting of
+ // any field in the struct. For example:
+ // struct nesting1 {
+ // vec4 position;
+ // };
+ // struct nesting2 {
+ // nesting1 field1;
+ // vec4 field2;
+ // };
+ // For type "nesting2", this method would return 2 -- the number
+ // of structures through which indirection must occur to reach the
+ // deepest field (nesting2.field1.position).
+ int getDeepestStructNesting() const { return deepestStructNesting; }
+
+ bool isStructureContainingArrays() const;
+
+protected:
+ void buildMangledName(TString&);
+ int getStructSize() const;
+ void computeDeepestStructNesting();
+
+ TBasicType type : 6;
+ TPrecision precision;
+ TQualifier qualifier : 7;
+ int size : 8; // size of vector or matrix, not size of array
+ unsigned int matrix : 1;
+ unsigned int array : 1;
+ int arraySize;
+ int maxArraySize;
+ TType* arrayInformationType;
+
+ TTypeList* structure; // 0 unless this is a struct
+ mutable int structureSize;
+ int deepestStructNesting;
+
+ TString *fieldName; // for structure field names
+ TString *mangled;
+ TString *typeName; // for structure field type name
+};
+
+//
+// This is a workaround for a problem with the yacc stack, It can't have
+// types that it thinks have non-trivial constructors. It should
+// just be used while recognizing the grammar, not anything else. Pointers
+// could be used, but also trying to avoid lots of memory management overhead.
+//
+// Not as bad as it looks, there is no actual assumption that the fields
+// match up or are name the same or anything like that.
+//
+struct TPublicType
+{
+ TBasicType type;
+ TQualifier qualifier;
+ TPrecision precision;
+ int size; // size of vector or matrix, not size of array
+ bool matrix;
+ bool array;
+ int arraySize;
+ TType* userDef;
+ int line;
+
+ void setBasic(TBasicType bt, TQualifier q, int ln = 0)
+ {
+ type = bt;
+ qualifier = q;
+ precision = EbpUndefined;
+ size = 1;
+ matrix = false;
+ array = false;
+ arraySize = 0;
+ userDef = 0;
+ line = ln;
+ }
+
+ void setAggregate(int s, bool m = false)
+ {
+ size = s;
+ matrix = m;
+ }
+
+ void setArray(bool a, int s = 0)
+ {
+ array = a;
+ arraySize = s;
+ }
+
+ bool isStructureContainingArrays() const
+ {
+ if (!userDef)
+ {
+ return false;
+ }
+
+ return userDef->isStructureContainingArrays();
+ }
+};
+
+#endif // _TYPES_INCLUDED_
diff --git a/src/GLES2/compiler/ValidateLimitations.cpp b/src/GLES2/compiler/ValidateLimitations.cpp
new file mode 100644
index 0000000..5838d0f
--- /dev/null
+++ b/src/GLES2/compiler/ValidateLimitations.cpp
@@ -0,0 +1,512 @@
+//
+// Copyright (c) 2002-2012 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+#include "compiler/ValidateLimitations.h"
+#include "compiler/InfoSink.h"
+#include "compiler/InitializeParseContext.h"
+#include "compiler/ParseHelper.h"
+
+namespace {
+bool IsLoopIndex(const TIntermSymbol* symbol, const TLoopStack& stack) {
+ for (TLoopStack::const_iterator i = stack.begin(); i != stack.end(); ++i) {
+ if (i->index.id == symbol->getId())
+ return true;
+ }
+ return false;
+}
+
+void MarkLoopForUnroll(const TIntermSymbol* symbol, TLoopStack& stack) {
+ for (TLoopStack::iterator i = stack.begin(); i != stack.end(); ++i) {
+ if (i->index.id == symbol->getId()) {
+ ASSERT(i->loop != NULL);
+ i->loop->setUnrollFlag(true);
+ return;
+ }
+ }
+ UNREACHABLE();
+}
+
+// Traverses a node to check if it represents a constant index expression.
+// Definition:
+// constant-index-expressions are a superset of constant-expressions.
+// Constant-index-expressions can include loop indices as defined in
+// GLSL ES 1.0 spec, Appendix A, section 4.
+// The following are constant-index-expressions:
+// - Constant expressions
+// - Loop indices as defined in section 4
+// - Expressions composed of both of the above
+class ValidateConstIndexExpr : public TIntermTraverser {
+public:
+ ValidateConstIndexExpr(const TLoopStack& stack)
+ : mValid(true), mLoopStack(stack) {}
+
+ // Returns true if the parsed node represents a constant index expression.
+ bool isValid() const { return mValid; }
+
+ virtual void visitSymbol(TIntermSymbol* symbol) {
+ // Only constants and loop indices are allowed in a
+ // constant index expression.
+ if (mValid) {
+ mValid = (symbol->getQualifier() == EvqConst) ||
+ IsLoopIndex(symbol, mLoopStack);
+ }
+ }
+
+private:
+ bool mValid;
+ const TLoopStack& mLoopStack;
+};
+
+// Traverses a node to check if it uses a loop index.
+// If an int loop index is used in its body as a sampler array index,
+// mark the loop for unroll.
+class ValidateLoopIndexExpr : public TIntermTraverser {
+public:
+ ValidateLoopIndexExpr(TLoopStack& stack)
+ : mUsesFloatLoopIndex(false),
+ mUsesIntLoopIndex(false),
+ mLoopStack(stack) {}
+
+ bool usesFloatLoopIndex() const { return mUsesFloatLoopIndex; }
+ bool usesIntLoopIndex() const { return mUsesIntLoopIndex; }
+
+ virtual void visitSymbol(TIntermSymbol* symbol) {
+ if (IsLoopIndex(symbol, mLoopStack)) {
+ switch (symbol->getBasicType()) {
+ case EbtFloat:
+ mUsesFloatLoopIndex = true;
+ break;
+ case EbtInt:
+ mUsesIntLoopIndex = true;
+ MarkLoopForUnroll(symbol, mLoopStack);
+ break;
+ default:
+ UNREACHABLE();
+ }
+ }
+ }
+
+private:
+ bool mUsesFloatLoopIndex;
+ bool mUsesIntLoopIndex;
+ TLoopStack& mLoopStack;
+};
+} // namespace
+
+ValidateLimitations::ValidateLimitations(ShShaderType shaderType,
+ TInfoSinkBase& sink)
+ : mShaderType(shaderType),
+ mSink(sink),
+ mNumErrors(0)
+{
+}
+
+bool ValidateLimitations::visitBinary(Visit, TIntermBinary* node)
+{
+ // Check if loop index is modified in the loop body.
+ validateOperation(node, node->getLeft());
+
+ // Check indexing.
+ switch (node->getOp()) {
+ case EOpIndexDirect:
+ validateIndexing(node);
+ break;
+ case EOpIndexIndirect:
+#if defined(__APPLE__)
+ // Loop unrolling is a work-around for a Mac Cg compiler bug where it
+ // crashes when a sampler array's index is also the loop index.
+ // Once Apple fixes this bug, we should remove the code in this CL.
+ // See http://codereview.appspot.com/4331048/.
+ if ((node->getLeft() != NULL) && (node->getRight() != NULL) &&
+ (node->getLeft()->getAsSymbolNode())) {
+ TIntermSymbol* symbol = node->getLeft()->getAsSymbolNode();
+ if (IsSampler(symbol->getBasicType()) && symbol->isArray()) {
+ ValidateLoopIndexExpr validate(mLoopStack);
+ node->getRight()->traverse(&validate);
+ if (validate.usesFloatLoopIndex()) {
+ error(node->getLine(),
+ "sampler array index is float loop index",
+ "for");
+ }
+ }
+ }
+#endif
+ validateIndexing(node);
+ break;
+ default: break;
+ }
+ return true;
+}
+
+bool ValidateLimitations::visitUnary(Visit, TIntermUnary* node)
+{
+ // Check if loop index is modified in the loop body.
+ validateOperation(node, node->getOperand());
+
+ return true;
+}
+
+bool ValidateLimitations::visitAggregate(Visit, TIntermAggregate* node)
+{
+ switch (node->getOp()) {
+ case EOpFunctionCall:
+ validateFunctionCall(node);
+ break;
+ default:
+ break;
+ }
+ return true;
+}
+
+bool ValidateLimitations::visitLoop(Visit, TIntermLoop* node)
+{
+ if (!validateLoopType(node))
+ return false;
+
+ TLoopInfo info;
+ memset(&info, 0, sizeof(TLoopInfo));
+ info.loop = node;
+ if (!validateForLoopHeader(node, &info))
+ return false;
+
+ TIntermNode* body = node->getBody();
+ if (body != NULL) {
+ mLoopStack.push_back(info);
+ body->traverse(this);
+ mLoopStack.pop_back();
+ }
+
+ // The loop is fully processed - no need to visit children.
+ return false;
+}
+
+void ValidateLimitations::error(TSourceLoc loc,
+ const char *reason, const char* token)
+{
+ mSink.prefix(EPrefixError);
+ mSink.location(loc);
+ mSink << "'" << token << "' : " << reason << "\n";
+ ++mNumErrors;
+}
+
+bool ValidateLimitations::withinLoopBody() const
+{
+ return !mLoopStack.empty();
+}
+
+bool ValidateLimitations::isLoopIndex(const TIntermSymbol* symbol) const
+{
+ return IsLoopIndex(symbol, mLoopStack);
+}
+
+bool ValidateLimitations::validateLoopType(TIntermLoop* node) {
+ TLoopType type = node->getType();
+ if (type == ELoopFor)
+ return true;
+
+ // Reject while and do-while loops.
+ error(node->getLine(),
+ "This type of loop is not allowed",
+ type == ELoopWhile ? "while" : "do");
+ return false;
+}
+
+bool ValidateLimitations::validateForLoopHeader(TIntermLoop* node,
+ TLoopInfo* info)
+{
+ ASSERT(node->getType() == ELoopFor);
+
+ //
+ // The for statement has the form:
+ // for ( init-declaration ; condition ; expression ) statement
+ //
+ if (!validateForLoopInit(node, info))
+ return false;
+ if (!validateForLoopCond(node, info))
+ return false;
+ if (!validateForLoopExpr(node, info))
+ return false;
+
+ return true;
+}
+
+bool ValidateLimitations::validateForLoopInit(TIntermLoop* node,
+ TLoopInfo* info)
+{
+ TIntermNode* init = node->getInit();
+ if (init == NULL) {
+ error(node->getLine(), "Missing init declaration", "for");
+ return false;
+ }
+
+ //
+ // init-declaration has the form:
+ // type-specifier identifier = constant-expression
+ //
+ TIntermAggregate* decl = init->getAsAggregate();
+ if ((decl == NULL) || (decl->getOp() != EOpDeclaration)) {
+ error(init->getLine(), "Invalid init declaration", "for");
+ return false;
+ }
+ // To keep things simple do not allow declaration list.
+ TIntermSequence& declSeq = decl->getSequence();
+ if (declSeq.size() != 1) {
+ error(decl->getLine(), "Invalid init declaration", "for");
+ return false;
+ }
+ TIntermBinary* declInit = declSeq[0]->getAsBinaryNode();
+ if ((declInit == NULL) || (declInit->getOp() != EOpInitialize)) {
+ error(decl->getLine(), "Invalid init declaration", "for");
+ return false;
+ }
+ TIntermSymbol* symbol = declInit->getLeft()->getAsSymbolNode();
+ if (symbol == NULL) {
+ error(declInit->getLine(), "Invalid init declaration", "for");
+ return false;
+ }
+ // The loop index has type int or float.
+ TBasicType type = symbol->getBasicType();
+ if ((type != EbtInt) && (type != EbtFloat)) {
+ error(symbol->getLine(),
+ "Invalid type for loop index", getBasicString(type));
+ return false;
+ }
+ // The loop index is initialized with constant expression.
+ if (!isConstExpr(declInit->getRight())) {
+ error(declInit->getLine(),
+ "Loop index cannot be initialized with non-constant expression",
+ symbol->getSymbol().c_str());
+ return false;
+ }
+
+ info->index.id = symbol->getId();
+ return true;
+}
+
+bool ValidateLimitations::validateForLoopCond(TIntermLoop* node,
+ TLoopInfo* info)
+{
+ TIntermNode* cond = node->getCondition();
+ if (cond == NULL) {
+ error(node->getLine(), "Missing condition", "for");
+ return false;
+ }
+ //
+ // condition has the form:
+ // loop_index relational_operator constant_expression
+ //
+ TIntermBinary* binOp = cond->getAsBinaryNode();
+ if (binOp == NULL) {
+ error(node->getLine(), "Invalid condition", "for");
+ return false;
+ }
+ // Loop index should be to the left of relational operator.
+ TIntermSymbol* symbol = binOp->getLeft()->getAsSymbolNode();
+ if (symbol == NULL) {
+ error(binOp->getLine(), "Invalid condition", "for");
+ return false;
+ }
+ if (symbol->getId() != info->index.id) {
+ error(symbol->getLine(),
+ "Expected loop index", symbol->getSymbol().c_str());
+ return false;
+ }
+ // Relational operator is one of: > >= < <= == or !=.
+ switch (binOp->getOp()) {
+ case EOpEqual:
+ case EOpNotEqual:
+ case EOpLessThan:
+ case EOpGreaterThan:
+ case EOpLessThanEqual:
+ case EOpGreaterThanEqual:
+ break;
+ default:
+ error(binOp->getLine(),
+ "Invalid relational operator",
+ getOperatorString(binOp->getOp()));
+ break;
+ }
+ // Loop index must be compared with a constant.
+ if (!isConstExpr(binOp->getRight())) {
+ error(binOp->getLine(),
+ "Loop index cannot be compared with non-constant expression",
+ symbol->getSymbol().c_str());
+ return false;
+ }
+
+ return true;
+}
+
+bool ValidateLimitations::validateForLoopExpr(TIntermLoop* node,
+ TLoopInfo* info)
+{
+ TIntermNode* expr = node->getExpression();
+ if (expr == NULL) {
+ error(node->getLine(), "Missing expression", "for");
+ return false;
+ }
+
+ // for expression has one of the following forms:
+ // loop_index++
+ // loop_index--
+ // loop_index += constant_expression
+ // loop_index -= constant_expression
+ // ++loop_index
+ // --loop_index
+ // The last two forms are not specified in the spec, but I am assuming
+ // its an oversight.
+ TIntermUnary* unOp = expr->getAsUnaryNode();
+ TIntermBinary* binOp = unOp ? NULL : expr->getAsBinaryNode();
+
+ TOperator op = EOpNull;
+ TIntermSymbol* symbol = NULL;
+ if (unOp != NULL) {
+ op = unOp->getOp();
+ symbol = unOp->getOperand()->getAsSymbolNode();
+ } else if (binOp != NULL) {
+ op = binOp->getOp();
+ symbol = binOp->getLeft()->getAsSymbolNode();
+ }
+
+ // The operand must be loop index.
+ if (symbol == NULL) {
+ error(expr->getLine(), "Invalid expression", "for");
+ return false;
+ }
+ if (symbol->getId() != info->index.id) {
+ error(symbol->getLine(),
+ "Expected loop index", symbol->getSymbol().c_str());
+ return false;
+ }
+
+ // The operator is one of: ++ -- += -=.
+ switch (op) {
+ case EOpPostIncrement:
+ case EOpPostDecrement:
+ case EOpPreIncrement:
+ case EOpPreDecrement:
+ ASSERT((unOp != NULL) && (binOp == NULL));
+ break;
+ case EOpAddAssign:
+ case EOpSubAssign:
+ ASSERT((unOp == NULL) && (binOp != NULL));
+ break;
+ default:
+ error(expr->getLine(), "Invalid operator", getOperatorString(op));
+ return false;
+ }
+
+ // Loop index must be incremented/decremented with a constant.
+ if (binOp != NULL) {
+ if (!isConstExpr(binOp->getRight())) {
+ error(binOp->getLine(),
+ "Loop index cannot be modified by non-constant expression",
+ symbol->getSymbol().c_str());
+ return false;
+ }
+ }
+
+ return true;
+}
+
+bool ValidateLimitations::validateFunctionCall(TIntermAggregate* node)
+{
+ ASSERT(node->getOp() == EOpFunctionCall);
+
+ // If not within loop body, there is nothing to check.
+ if (!withinLoopBody())
+ return true;
+
+ // List of param indices for which loop indices are used as argument.
+ typedef std::vector<int> ParamIndex;
+ ParamIndex pIndex;
+ TIntermSequence& params = node->getSequence();
+ for (TIntermSequence::size_type i = 0; i < params.size(); ++i) {
+ TIntermSymbol* symbol = params[i]->getAsSymbolNode();
+ if (symbol && isLoopIndex(symbol))
+ pIndex.push_back(i);
+ }
+ // If none of the loop indices are used as arguments,
+ // there is nothing to check.
+ if (pIndex.empty())
+ return true;
+
+ bool valid = true;
+ TSymbolTable& symbolTable = GlobalParseContext->symbolTable;
+ TSymbol* symbol = symbolTable.find(node->getName());
+ ASSERT(symbol && symbol->isFunction());
+ TFunction* function = static_cast<TFunction*>(symbol);
+ for (ParamIndex::const_iterator i = pIndex.begin();
+ i != pIndex.end(); ++i) {
+ const TParameter& param = function->getParam(*i);
+ TQualifier qual = param.type->getQualifier();
+ if ((qual == EvqOut) || (qual == EvqInOut)) {
+ error(params[*i]->getLine(),
+ "Loop index cannot be used as argument to a function out or inout parameter",
+ params[*i]->getAsSymbolNode()->getSymbol().c_str());
+ valid = false;
+ }
+ }
+
+ return valid;
+}
+
+bool ValidateLimitations::validateOperation(TIntermOperator* node,
+ TIntermNode* operand) {
+ // Check if loop index is modified in the loop body.
+ if (!withinLoopBody() || !node->modifiesState())
+ return true;
+
+ const TIntermSymbol* symbol = operand->getAsSymbolNode();
+ if (symbol && isLoopIndex(symbol)) {
+ error(node->getLine(),
+ "Loop index cannot be statically assigned to within the body of the loop",
+ symbol->getSymbol().c_str());
+ }
+ return true;
+}
+
+bool ValidateLimitations::isConstExpr(TIntermNode* node)
+{
+ ASSERT(node != NULL);
+ return node->getAsConstantUnion() != NULL;
+}
+
+bool ValidateLimitations::isConstIndexExpr(TIntermNode* node)
+{
+ ASSERT(node != NULL);
+
+ ValidateConstIndexExpr validate(mLoopStack);
+ node->traverse(&validate);
+ return validate.isValid();
+}
+
+bool ValidateLimitations::validateIndexing(TIntermBinary* node)
+{
+ ASSERT((node->getOp() == EOpIndexDirect) ||
+ (node->getOp() == EOpIndexIndirect));
+
+ bool valid = true;
+ TIntermTyped* index = node->getRight();
+ // The index expression must have integral type.
+ if (!index->isScalar() || (index->getBasicType() != EbtInt)) {
+ error(index->getLine(),
+ "Index expression must have integral type",
+ index->getCompleteString().c_str());
+ valid = false;
+ }
+ // The index expession must be a constant-index-expression unless
+ // the operand is a uniform in a vertex shader.
+ TIntermTyped* operand = node->getLeft();
+ bool skip = (mShaderType == SH_VERTEX_SHADER) &&
+ (operand->getQualifier() == EvqUniform);
+ if (!skip && !isConstIndexExpr(index)) {
+ error(index->getLine(), "Index expression must be constant", "[]");
+ valid = false;
+ }
+ return valid;
+}
+
diff --git a/src/GLES2/compiler/ValidateLimitations.h b/src/GLES2/compiler/ValidateLimitations.h
new file mode 100644
index 0000000..a835cb3
--- /dev/null
+++ b/src/GLES2/compiler/ValidateLimitations.h
@@ -0,0 +1,59 @@
+//
+// Copyright (c) 2010 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+#include "GLSLANG/ShaderLang.h"
+#include "compiler/intermediate.h"
+
+class TInfoSinkBase;
+
+struct TLoopInfo {
+ struct TIndex {
+ int id; // symbol id.
+ } index;
+ TIntermLoop* loop;
+};
+typedef TVector<TLoopInfo> TLoopStack;
+
+// Traverses intermediate tree to ensure that the shader does not exceed the
+// minimum functionality mandated in GLSL 1.0 spec, Appendix A.
+class ValidateLimitations : public TIntermTraverser {
+public:
+ ValidateLimitations(ShShaderType shaderType, TInfoSinkBase& sink);
+
+ int numErrors() const { return mNumErrors; }
+
+ virtual bool visitBinary(Visit, TIntermBinary*);
+ virtual bool visitUnary(Visit, TIntermUnary*);
+ virtual bool visitAggregate(Visit, TIntermAggregate*);
+ virtual bool visitLoop(Visit, TIntermLoop*);
+
+private:
+ void error(TSourceLoc loc, const char *reason, const char* token);
+
+ bool withinLoopBody() const;
+ bool isLoopIndex(const TIntermSymbol* symbol) const;
+ bool validateLoopType(TIntermLoop* node);
+ bool validateForLoopHeader(TIntermLoop* node, TLoopInfo* info);
+ bool validateForLoopInit(TIntermLoop* node, TLoopInfo* info);
+ bool validateForLoopCond(TIntermLoop* node, TLoopInfo* info);
+ bool validateForLoopExpr(TIntermLoop* node, TLoopInfo* info);
+ // Returns true if none of the loop indices is used as the argument to
+ // the given function out or inout parameter.
+ bool validateFunctionCall(TIntermAggregate* node);
+ bool validateOperation(TIntermOperator* node, TIntermNode* operand);
+
+ // Returns true if indexing does not exceed the minimum functionality
+ // mandated in GLSL 1.0 spec, Appendix A, Section 5.
+ bool isConstExpr(TIntermNode* node);
+ bool isConstIndexExpr(TIntermNode* node);
+ bool validateIndexing(TIntermBinary* node);
+
+ ShShaderType mShaderType;
+ TInfoSinkBase& mSink;
+ int mNumErrors;
+ TLoopStack mLoopStack;
+};
+
diff --git a/src/GLES2/compiler/VariableInfo.cpp b/src/GLES2/compiler/VariableInfo.cpp
new file mode 100644
index 0000000..071d05e
--- /dev/null
+++ b/src/GLES2/compiler/VariableInfo.cpp
@@ -0,0 +1,210 @@
+//
+// Copyright (c) 2002-2012 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+#include "compiler/VariableInfo.h"
+
+static TString arrayBrackets(int index)
+{
+ TStringStream stream;
+ stream << "[" << index << "]";
+ return stream.str();
+}
+
+// Returns the data type for an attribute or uniform.
+static ShDataType getVariableDataType(const TType& type)
+{
+ switch (type.getBasicType()) {
+ case EbtFloat:
+ if (type.isMatrix()) {
+ switch (type.getNominalSize()) {
+ case 2: return SH_FLOAT_MAT2;
+ case 3: return SH_FLOAT_MAT3;
+ case 4: return SH_FLOAT_MAT4;
+ default: UNREACHABLE();
+ }
+ } else if (type.isVector()) {
+ switch (type.getNominalSize()) {
+ case 2: return SH_FLOAT_VEC2;
+ case 3: return SH_FLOAT_VEC3;
+ case 4: return SH_FLOAT_VEC4;
+ default: UNREACHABLE();
+ }
+ } else {
+ return SH_FLOAT;
+ }
+ case EbtInt:
+ if (type.isMatrix()) {
+ UNREACHABLE();
+ } else if (type.isVector()) {
+ switch (type.getNominalSize()) {
+ case 2: return SH_INT_VEC2;
+ case 3: return SH_INT_VEC3;
+ case 4: return SH_INT_VEC4;
+ default: UNREACHABLE();
+ }
+ } else {
+ return SH_INT;
+ }
+ case EbtBool:
+ if (type.isMatrix()) {
+ UNREACHABLE();
+ } else if (type.isVector()) {
+ switch (type.getNominalSize()) {
+ case 2: return SH_BOOL_VEC2;
+ case 3: return SH_BOOL_VEC3;
+ case 4: return SH_BOOL_VEC4;
+ default: UNREACHABLE();
+ }
+ } else {
+ return SH_BOOL;
+ }
+ case EbtSampler2D: return SH_SAMPLER_2D;
+ case EbtSamplerCube: return SH_SAMPLER_CUBE;
+ default: UNREACHABLE();
+ }
+ return SH_NONE;
+}
+
+static void getBuiltInVariableInfo(const TType& type,
+ const TString& name,
+ TVariableInfoList& infoList);
+static void getUserDefinedVariableInfo(const TType& type,
+ const TString& name,
+ TVariableInfoList& infoList);
+
+// Returns info for an attribute or uniform.
+static void getVariableInfo(const TType& type,
+ const TString& name,
+ TVariableInfoList& infoList)
+{
+ if (type.getBasicType() == EbtStruct) {
+ if (type.isArray()) {
+ for (int i = 0; i < type.getArraySize(); ++i) {
+ TString lname = name + arrayBrackets(i);
+ getUserDefinedVariableInfo(type, lname, infoList);
+ }
+ } else {
+ getUserDefinedVariableInfo(type, name, infoList);
+ }
+ } else {
+ getBuiltInVariableInfo(type, name, infoList);
+ }
+}
+
+void getBuiltInVariableInfo(const TType& type,
+ const TString& name,
+ TVariableInfoList& infoList)
+{
+ ASSERT(type.getBasicType() != EbtStruct);
+
+ TVariableInfo varInfo;
+ if (type.isArray()) {
+ varInfo.name = (name + "[0]").c_str();
+ varInfo.size = type.getArraySize();
+ } else {
+ varInfo.name = name.c_str();
+ varInfo.size = 1;
+ }
+ varInfo.type = getVariableDataType(type);
+ infoList.push_back(varInfo);
+}
+
+void getUserDefinedVariableInfo(const TType& type,
+ const TString& name,
+ TVariableInfoList& infoList)
+{
+ ASSERT(type.getBasicType() == EbtStruct);
+
+ const TTypeList* structure = type.getStruct();
+ for (size_t i = 0; i < structure->size(); ++i) {
+ const TType* fieldType = (*structure)[i].type;
+ getVariableInfo(*fieldType,
+ name + "." + fieldType->getFieldName(),
+ infoList);
+ }
+}
+
+CollectAttribsUniforms::CollectAttribsUniforms(TVariableInfoList& attribs,
+ TVariableInfoList& uniforms)
+ : mAttribs(attribs),
+ mUniforms(uniforms)
+{
+}
+
+// We are only interested in attribute and uniform variable declaration.
+void CollectAttribsUniforms::visitSymbol(TIntermSymbol*)
+{
+}
+
+void CollectAttribsUniforms::visitConstantUnion(TIntermConstantUnion*)
+{
+}
+
+bool CollectAttribsUniforms::visitBinary(Visit, TIntermBinary*)
+{
+ return false;
+}
+
+bool CollectAttribsUniforms::visitUnary(Visit, TIntermUnary*)
+{
+ return false;
+}
+
+bool CollectAttribsUniforms::visitSelection(Visit, TIntermSelection*)
+{
+ return false;
+}
+
+bool CollectAttribsUniforms::visitAggregate(Visit, TIntermAggregate* node)
+{
+ bool visitChildren = false;
+
+ switch (node->getOp())
+ {
+ case EOpSequence:
+ // We need to visit sequence children to get to variable declarations.
+ visitChildren = true;
+ break;
+ case EOpDeclaration: {
+ const TIntermSequence& sequence = node->getSequence();
+ TQualifier qualifier = sequence.front()->getAsTyped()->getQualifier();
+ if (qualifier == EvqAttribute || qualifier == EvqUniform)
+ {
+ TVariableInfoList& infoList = qualifier == EvqAttribute ?
+ mAttribs : mUniforms;
+ for (TIntermSequence::const_iterator i = sequence.begin();
+ i != sequence.end(); ++i)
+ {
+ const TIntermSymbol* variable = (*i)->getAsSymbolNode();
+ // The only case in which the sequence will not contain a
+ // TIntermSymbol node is initialization. It will contain a
+ // TInterBinary node in that case. Since attributes and unifroms
+ // cannot be initialized in a shader, we must have only
+ // TIntermSymbol nodes in the sequence.
+ ASSERT(variable != NULL);
+ getVariableInfo(variable->getType(),
+ variable->getSymbol(),
+ infoList);
+ }
+ }
+ break;
+ }
+ default: break;
+ }
+
+ return visitChildren;
+}
+
+bool CollectAttribsUniforms::visitLoop(Visit, TIntermLoop*)
+{
+ return false;
+}
+
+bool CollectAttribsUniforms::visitBranch(Visit, TIntermBranch*)
+{
+ return false;
+}
+
diff --git a/src/GLES2/compiler/VariableInfo.h b/src/GLES2/compiler/VariableInfo.h
new file mode 100644
index 0000000..77902d9
--- /dev/null
+++ b/src/GLES2/compiler/VariableInfo.h
@@ -0,0 +1,42 @@
+//
+// Copyright (c) 2002-2012 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+#ifndef COMPILER_VARIABLE_INFO_H_
+#define COMPILER_VARIABLE_INFO_H_
+
+#include "GLSLANG/ShaderLang.h"
+#include "compiler/intermediate.h"
+
+// Provides information about a variable.
+// It is currently being used to store info about active attribs and uniforms.
+struct TVariableInfo {
+ TPersistString name;
+ ShDataType type;
+ int size;
+};
+typedef std::vector<TVariableInfo> TVariableInfoList;
+
+// Traverses intermediate tree to collect all attributes and uniforms.
+class CollectAttribsUniforms : public TIntermTraverser {
+public:
+ CollectAttribsUniforms(TVariableInfoList& attribs,
+ TVariableInfoList& uniforms);
+
+ virtual void visitSymbol(TIntermSymbol*);
+ virtual void visitConstantUnion(TIntermConstantUnion*);
+ virtual bool visitBinary(Visit, TIntermBinary*);
+ virtual bool visitUnary(Visit, TIntermUnary*);
+ virtual bool visitSelection(Visit, TIntermSelection*);
+ virtual bool visitAggregate(Visit, TIntermAggregate*);
+ virtual bool visitLoop(Visit, TIntermLoop*);
+ virtual bool visitBranch(Visit, TIntermBranch*);
+
+private:
+ TVariableInfoList& mAttribs;
+ TVariableInfoList& mUniforms;
+};
+
+#endif // COMPILER_VARIABLE_INFO_H_
diff --git a/src/GLES2/compiler/debug.cpp b/src/GLES2/compiler/debug.cpp
new file mode 100644
index 0000000..53778bd
--- /dev/null
+++ b/src/GLES2/compiler/debug.cpp
@@ -0,0 +1,37 @@
+//
+// Copyright (c) 2002-2010 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+// debug.cpp: Debugging utilities.
+
+#include "compiler/debug.h"
+
+#include <stdarg.h>
+#include <stdio.h>
+
+#include "compiler/InitializeParseContext.h"
+#include "compiler/ParseHelper.h"
+
+static const int kTraceBufferLen = 1024;
+
+#ifdef TRACE_ENABLED
+extern "C" {
+void Trace(const char *format, ...) {
+ if (!format) return;
+
+ TParseContext* parseContext = GetGlobalParseContext();
+ if (parseContext) {
+ char buf[kTraceBufferLen];
+ va_list args;
+ va_start(args, format);
+ vsnprintf(buf, kTraceBufferLen, format, args);
+ va_end(args);
+
+ parseContext->trace(buf);
+ }
+}
+} // extern "C"
+#endif // TRACE_ENABLED
+
diff --git a/src/GLES2/compiler/debug.h b/src/GLES2/compiler/debug.h
new file mode 100644
index 0000000..7a37151
--- /dev/null
+++ b/src/GLES2/compiler/debug.h
@@ -0,0 +1,53 @@
+//
+// Copyright (c) 2002-2010 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+// debug.h: Debugging utilities.
+
+#ifndef COMPILER_DEBUG_H_
+#define COMPILER_DEBUG_H_
+
+#include <assert.h>
+
+#ifdef _DEBUG
+#define TRACE_ENABLED // define to enable debug message tracing
+#endif // _DEBUG
+
+// Outputs text to the debug log
+#ifdef TRACE_ENABLED
+
+#ifdef __cplusplus
+extern "C" {
+#endif // __cplusplus
+void Trace(const char* format, ...);
+#ifdef __cplusplus
+}
+#endif // __cplusplus
+
+#else // TRACE_ENABLED
+
+#define Trace(...) ((void)0)
+
+#endif // TRACE_ENABLED
+
+// A macro asserting a condition and outputting failures to the debug log
+#define ASSERT(expression) do { \
+ if(!(expression)) \
+ Trace("Assert failed: %s(%d): "#expression"\n", __FUNCTION__, __LINE__); \
+ assert(expression); \
+} while(0)
+
+#define UNIMPLEMENTED() do { \
+ Trace("Unimplemented invoked: %s(%d)\n", __FUNCTION__, __LINE__); \
+ assert(false); \
+} while(0)
+
+#define UNREACHABLE() do { \
+ Trace("Unreachable reached: %s(%d)\n", __FUNCTION__, __LINE__); \
+ assert(false); \
+} while(0)
+
+#endif // COMPILER_DEBUG_H_
+
diff --git a/src/GLES2/compiler/generate_parser.sh b/src/GLES2/compiler/generate_parser.sh
new file mode 100644
index 0000000..e472191
--- /dev/null
+++ b/src/GLES2/compiler/generate_parser.sh
@@ -0,0 +1,27 @@
+#!/bin/bash
+# Copyright (c) 2010 The ANGLE Project Authors. All rights reserved.
+# Use of this source code is governed by a BSD-style license that can be
+# found in the LICENSE file.
+
+# Generates GLSL ES parser - glslang_lex.cpp, glslang_tab.h, and glslang_tab.cpp
+
+run_flex()
+{
+input_file=$script_dir/$1.l
+output_source=$script_dir/$1_lex.cpp
+flex --noline --nounistd --outfile=$output_source $input_file
+}
+
+run_bison()
+{
+input_file=$script_dir/$1.y
+output_header=$script_dir/$1_tab.h
+output_source=$script_dir/$1_tab.cpp
+bison --no-lines --skeleton=yacc.c --defines=$output_header --output=$output_source $input_file
+}
+
+script_dir=$(dirname $0)
+
+# Generate Parser
+run_flex glslang
+run_bison glslang
diff --git a/src/GLES2/compiler/glslang.h b/src/GLES2/compiler/glslang.h
new file mode 100644
index 0000000..8e2d4d6
--- /dev/null
+++ b/src/GLES2/compiler/glslang.h
@@ -0,0 +1,16 @@
+//
+// Copyright (c) 2012 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+struct TParseContext;
+extern int glslang_initialize(TParseContext* context);
+extern int glslang_finalize(TParseContext* context);
+
+extern int glslang_scan(int count,
+ const char* const string[],
+ const int length[],
+ TParseContext* context);
+extern int glslang_parse(TParseContext* context);
+
diff --git a/src/GLES2/compiler/glslang.l b/src/GLES2/compiler/glslang.l
new file mode 100644
index 0000000..ca29a62
--- /dev/null
+++ b/src/GLES2/compiler/glslang.l
@@ -0,0 +1,365 @@
+/*
+//
+// Copyright (c) 2002-2012 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+This file contains the Lex specification for GLSL ES.
+Based on ANSI C grammar, Lex specification:
+http://www.lysator.liu.se/c/ANSI-C-grammar-l.html
+
+IF YOU MODIFY THIS FILE YOU ALSO NEED TO RUN generate_parser.sh,
+WHICH GENERATES THE GLSL ES LEXER (glslang_lex.cpp).
+*/
+
+%top{
+//
+// Copyright (c) 2012 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+// This file is auto-generated by generate_parser.sh. DO NOT EDIT!
+
+// Ignore errors in auto-generated code.
+#if defined(__GNUC__)
+#pragma GCC diagnostic ignored "-Wunused-function"
+#pragma GCC diagnostic ignored "-Wunused-variable"
+#pragma GCC diagnostic ignored "-Wswitch-enum"
+#elif defined(_MSC_VER)
+#pragma warning(disable: 4065)
+#pragma warning(disable: 4189)
+#pragma warning(disable: 4505)
+#pragma warning(disable: 4701)
+#endif
+}
+
+%{
+#include "compiler/glslang.h"
+#include "compiler/ParseHelper.h"
+#include "compiler/preprocessor/Token.h"
+#include "compiler/util.h"
+#include "glslang_tab.h"
+
+/* windows only pragma */
+#ifdef _MSC_VER
+#pragma warning(disable : 4102)
+#endif
+
+#define YY_USER_ACTION yylval->lex.line = yylineno;
+#define YY_INPUT(buf, result, max_size) \
+ result = string_input(buf, max_size, yyscanner);
+
+static int string_input(char* buf, int max_size, yyscan_t yyscanner);
+static int check_type(yyscan_t yyscanner);
+static int reserved_word(yyscan_t yyscanner);
+%}
+
+%option noyywrap nounput never-interactive
+%option yylineno reentrant bison-bridge
+%option stack
+%option extra-type="TParseContext*"
+%x COMMENT FIELDS
+
+D [0-9]
+L [a-zA-Z_]
+H [a-fA-F0-9]
+E [Ee][+-]?{D}+
+O [0-7]
+
+%%
+
+%{
+ TParseContext* context = yyextra;
+%}
+
+ /* Single-line comments */
+"//"[^\n]* ;
+
+ /* Multi-line comments */
+"/*" { yy_push_state(COMMENT, yyscanner); }
+<COMMENT>. |
+<COMMENT>\n ;
+<COMMENT>"*/" { yy_pop_state(yyscanner); }
+
+"invariant" { return(INVARIANT); }
+"highp" { return(HIGH_PRECISION); }
+"mediump" { return(MEDIUM_PRECISION); }
+"lowp" { return(LOW_PRECISION); }
+"precision" { return(PRECISION); }
+
+"attribute" { return(ATTRIBUTE); }
+"const" { return(CONST_QUAL); }
+"uniform" { return(UNIFORM); }
+"varying" { return(VARYING); }
+
+"break" { return(BREAK); }
+"continue" { return(CONTINUE); }
+"do" { return(DO); }
+"for" { return(FOR); }
+"while" { return(WHILE); }
+
+"if" { return(IF); }
+"else" { return(ELSE); }
+
+"in" { return(IN_QUAL); }
+"out" { return(OUT_QUAL); }
+"inout" { return(INOUT_QUAL); }
+
+"float" { context->lexAfterType = true; return(FLOAT_TYPE); }
+"int" { context->lexAfterType = true; return(INT_TYPE); }
+"void" { context->lexAfterType = true; return(VOID_TYPE); }
+"bool" { context->lexAfterType = true; return(BOOL_TYPE); }
+"true" { yylval->lex.b = true; return(BOOLCONSTANT); }
+"false" { yylval->lex.b = false; return(BOOLCONSTANT); }
+
+"discard" { return(DISCARD); }
+"return" { return(RETURN); }
+
+"mat2" { context->lexAfterType = true; return(MATRIX2); }
+"mat3" { context->lexAfterType = true; return(MATRIX3); }
+"mat4" { context->lexAfterType = true; return(MATRIX4); }
+
+"vec2" { context->lexAfterType = true; return (VEC2); }
+"vec3" { context->lexAfterType = true; return (VEC3); }
+"vec4" { context->lexAfterType = true; return (VEC4); }
+"ivec2" { context->lexAfterType = true; return (IVEC2); }
+"ivec3" { context->lexAfterType = true; return (IVEC3); }
+"ivec4" { context->lexAfterType = true; return (IVEC4); }
+"bvec2" { context->lexAfterType = true; return (BVEC2); }
+"bvec3" { context->lexAfterType = true; return (BVEC3); }
+"bvec4" { context->lexAfterType = true; return (BVEC4); }
+
+"sampler2D" { context->lexAfterType = true; return SAMPLER2D; }
+"samplerCube" { context->lexAfterType = true; return SAMPLERCUBE; }
+
+"struct" { context->lexAfterType = true; return(STRUCT); }
+
+"asm" { return reserved_word(yyscanner); }
+
+"class" { return reserved_word(yyscanner); }
+"union" { return reserved_word(yyscanner); }
+"enum" { return reserved_word(yyscanner); }
+"typedef" { return reserved_word(yyscanner); }
+"template" { return reserved_word(yyscanner); }
+"this" { return reserved_word(yyscanner); }
+"packed" { return reserved_word(yyscanner); }
+
+"goto" { return reserved_word(yyscanner); }
+"switch" { return reserved_word(yyscanner); }
+"default" { return reserved_word(yyscanner); }
+
+"inline" { return reserved_word(yyscanner); }
+"noinline" { return reserved_word(yyscanner); }
+"volatile" { return reserved_word(yyscanner); }
+"public" { return reserved_word(yyscanner); }
+"static" { return reserved_word(yyscanner); }
+"extern" { return reserved_word(yyscanner); }
+"external" { return reserved_word(yyscanner); }
+"interface" { return reserved_word(yyscanner); }
+"flat" { return reserved_word(yyscanner); }
+
+"long" { return reserved_word(yyscanner); }
+"short" { return reserved_word(yyscanner); }
+"double" { return reserved_word(yyscanner); }
+"half" { return reserved_word(yyscanner); }
+"fixed" { return reserved_word(yyscanner); }
+"unsigned" { return reserved_word(yyscanner); }
+"superp" { return reserved_word(yyscanner); }
+
+"input" { return reserved_word(yyscanner); }
+"output" { return reserved_word(yyscanner); }
+
+"hvec2" { return reserved_word(yyscanner); }
+"hvec3" { return reserved_word(yyscanner); }
+"hvec4" { return reserved_word(yyscanner); }
+"dvec2" { return reserved_word(yyscanner); }
+"dvec3" { return reserved_word(yyscanner); }
+"dvec4" { return reserved_word(yyscanner); }
+"fvec2" { return reserved_word(yyscanner); }
+"fvec3" { return reserved_word(yyscanner); }
+"fvec4" { return reserved_word(yyscanner); }
+
+"sampler1D" { return reserved_word(yyscanner); }
+"sampler3D" { return reserved_word(yyscanner); }
+
+"sampler1DShadow" { return reserved_word(yyscanner); }
+"sampler2DShadow" { return reserved_word(yyscanner); }
+
+"sampler2DRect" { return reserved_word(yyscanner); }
+"sampler3DRect" { return reserved_word(yyscanner); }
+"sampler2DRectShadow" { return reserved_word(yyscanner); }
+
+"sizeof" { return reserved_word(yyscanner); }
+"cast" { return reserved_word(yyscanner); }
+
+"namespace" { return reserved_word(yyscanner); }
+"using" { return reserved_word(yyscanner); }
+
+{L}({L}|{D})* {
+ yylval->lex.string = NewPoolTString(yytext);
+ return check_type(yyscanner);
+}
+
+0[xX]{H}+ { yylval->lex.i = strtol(yytext, 0, 0); return(INTCONSTANT); }
+0{O}+ { yylval->lex.i = strtol(yytext, 0, 0); return(INTCONSTANT); }
+0{D}+ { context->error(yylineno, "Invalid Octal number.", yytext); context->recover(); return 0;}
+{D}+ { yylval->lex.i = strtol(yytext, 0, 0); return(INTCONSTANT); }
+
+{D}+{E} { yylval->lex.f = static_cast<float>(atof_dot(yytext)); return(FLOATCONSTANT); }
+{D}+"."{D}*({E})? { yylval->lex.f = static_cast<float>(atof_dot(yytext)); return(FLOATCONSTANT); }
+"."{D}+({E})? { yylval->lex.f = static_cast<float>(atof_dot(yytext)); return(FLOATCONSTANT); }
+
+"+=" { return(ADD_ASSIGN); }
+"-=" { return(SUB_ASSIGN); }
+"*=" { return(MUL_ASSIGN); }
+"/=" { return(DIV_ASSIGN); }
+"%=" { return(MOD_ASSIGN); }
+"<<=" { return(LEFT_ASSIGN); }
+">>=" { return(RIGHT_ASSIGN); }
+"&=" { return(AND_ASSIGN); }
+"^=" { return(XOR_ASSIGN); }
+"|=" { return(OR_ASSIGN); }
+
+"++" { return(INC_OP); }
+"--" { return(DEC_OP); }
+"&&" { return(AND_OP); }
+"||" { return(OR_OP); }
+"^^" { return(XOR_OP); }
+"<=" { return(LE_OP); }
+">=" { return(GE_OP); }
+"==" { return(EQ_OP); }
+"!=" { return(NE_OP); }
+"<<" { return(LEFT_OP); }
+">>" { return(RIGHT_OP); }
+";" { context->lexAfterType = false; return(SEMICOLON); }
+("{"|"<%") { context->lexAfterType = false; return(LEFT_BRACE); }
+("}"|"%>") { return(RIGHT_BRACE); }
+"," { if (context->inTypeParen) context->lexAfterType = false; return(COMMA); }
+":" { return(COLON); }
+"=" { context->lexAfterType = false; return(EQUAL); }
+"(" { context->lexAfterType = false; context->inTypeParen = true; return(LEFT_PAREN); }
+")" { context->inTypeParen = false; return(RIGHT_PAREN); }
+("["|"<:") { return(LEFT_BRACKET); }
+("]"|":>") { return(RIGHT_BRACKET); }
+"." { BEGIN(FIELDS); return(DOT); }
+"!" { return(BANG); }
+"-" { return(DASH); }
+"~" { return(TILDE); }
+"+" { return(PLUS); }
+"*" { return(STAR); }
+"/" { return(SLASH); }
+"%" { return(PERCENT); }
+"<" { return(LEFT_ANGLE); }
+">" { return(RIGHT_ANGLE); }
+"|" { return(VERTICAL_BAR); }
+"^" { return(CARET); }
+"&" { return(AMPERSAND); }
+"?" { return(QUESTION); }
+
+<FIELDS>{L}({L}|{D})* {
+ BEGIN(INITIAL);
+ yylval->lex.string = NewPoolTString(yytext);
+ return FIELD_SELECTION;
+}
+<FIELDS>[ \t\v\f\r] {}
+
+[ \t\v\n\f\r] { }
+<*><<EOF>> { context->AfterEOF = true; yyterminate(); }
+<*>. { context->warning(yylineno, "Unknown char", yytext, ""); return 0; }
+
+%%
+
+int string_input(char* buf, int max_size, yyscan_t yyscanner)
+{
+ int len = 0;
+
+ pp::Token token;
+ yyget_extra(yyscanner)->preprocessor.lex(&token);
+ len = token.type == pp::Token::LAST ? 0 : token.text.size();
+ if ((len > 0) && (len < max_size))
+ memcpy(buf, token.text.c_str(), len);
+ yyset_lineno(EncodeSourceLoc(token.location.file, token.location.line), yyscanner);
+
+ if (len >= max_size)
+ YY_FATAL_ERROR("Input buffer overflow");
+ else if (len > 0)
+ buf[len++] = ' ';
+ return len;
+}
+
+int check_type(yyscan_t yyscanner) {
+ struct yyguts_t* yyg = (struct yyguts_t*) yyscanner;
+
+ int token = IDENTIFIER;
+ TSymbol* symbol = yyextra->symbolTable.find(yytext);
+ if (yyextra->lexAfterType == false && symbol && symbol->isVariable()) {
+ TVariable* variable = static_cast<TVariable*>(symbol);
+ if (variable->isUserType()) {
+ yyextra->lexAfterType = true;
+ token = TYPE_NAME;
+ }
+ }
+ yylval->lex.symbol = symbol;
+ return token;
+}
+
+int reserved_word(yyscan_t yyscanner) {
+ struct yyguts_t* yyg = (struct yyguts_t*) yyscanner;
+
+ yyextra->error(yylineno, "Illegal use of reserved word", yytext, "");
+ yyextra->recover();
+ return 0;
+}
+
+void yyerror(TParseContext* context, const char* reason) {
+ struct yyguts_t* yyg = (struct yyguts_t*) context->scanner;
+
+ if (context->AfterEOF) {
+ context->error(yylineno, reason, "unexpected EOF");
+ } else {
+ context->error(yylineno, reason, yytext);
+ }
+ context->recover();
+}
+
+int glslang_initialize(TParseContext* context) {
+ yyscan_t scanner = NULL;
+ if (yylex_init_extra(context, &scanner))
+ return 1;
+
+ context->scanner = scanner;
+ return 0;
+}
+
+int glslang_finalize(TParseContext* context) {
+ yyscan_t scanner = context->scanner;
+ if (scanner == NULL) return 0;
+
+ context->scanner = NULL;
+ yylex_destroy(scanner);
+
+ return 0;
+}
+
+int glslang_scan(int count, const char* const string[], const int length[],
+ TParseContext* context) {
+ yyrestart(NULL, context->scanner);
+ yyset_lineno(EncodeSourceLoc(0, 1), context->scanner);
+ context->AfterEOF = false;
+
+ // Initialize preprocessor.
+ if (!context->preprocessor.init(count, string, length))
+ return 1;
+
+ // Define extension macros.
+ const TExtensionBehavior& extBehavior = context->extensionBehavior();
+ for (TExtensionBehavior::const_iterator iter = extBehavior.begin();
+ iter != extBehavior.end(); ++iter)
+ {
+ context->preprocessor.predefineMacro(iter->first.c_str(), 1);
+ }
+ return 0;
+}
+
diff --git a/src/GLES2/compiler/glslang.y b/src/GLES2/compiler/glslang.y
new file mode 100644
index 0000000..ba8a0b8
--- /dev/null
+++ b/src/GLES2/compiler/glslang.y
@@ -0,0 +1,2124 @@
+/*
+//
+// Copyright (c) 2002-2012 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+This file contains the Yacc grammar for GLSL ES.
+Based on ANSI C Yacc grammar:
+http://www.lysator.liu.se/c/ANSI-C-grammar-y.html
+
+IF YOU MODIFY THIS FILE YOU ALSO NEED TO RUN generate_parser.sh,
+WHICH GENERATES THE GLSL ES PARSER (glslang_tab.cpp AND glslang_tab.h).
+*/
+
+%{
+//
+// Copyright (c) 2002-2012 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+// This file is auto-generated by generate_parser.sh. DO NOT EDIT!
+
+// Ignore errors in auto-generated code.
+#if defined(__GNUC__)
+#pragma GCC diagnostic ignored "-Wunused-function"
+#pragma GCC diagnostic ignored "-Wunused-variable"
+#pragma GCC diagnostic ignored "-Wswitch-enum"
+#elif defined(_MSC_VER)
+#pragma warning(disable: 4065)
+#pragma warning(disable: 4189)
+#pragma warning(disable: 4505)
+#pragma warning(disable: 4701)
+#endif
+
+#include "compiler/SymbolTable.h"
+#include "compiler/ParseHelper.h"
+#include "GLSLANG/ShaderLang.h"
+
+#define YYLEX_PARAM context->scanner
+%}
+
+%expect 1 /* One shift reduce conflict because of if | else */
+%pure-parser
+%parse-param {TParseContext* context}
+
+%union {
+ struct {
+ TSourceLoc line;
+ union {
+ TString *string;
+ float f;
+ int i;
+ bool b;
+ };
+ TSymbol* symbol;
+ } lex;
+ struct {
+ TSourceLoc line;
+ TOperator op;
+ union {
+ TIntermNode* intermNode;
+ TIntermNodePair nodePair;
+ TIntermTyped* intermTypedNode;
+ TIntermAggregate* intermAggregate;
+ };
+ union {
+ TPublicType type;
+ TPrecision precision;
+ TQualifier qualifier;
+ TFunction* function;
+ TParameter param;
+ TTypeLine typeLine;
+ TTypeList* typeList;
+ };
+ } interm;
+}
+
+%{
+extern int yylex(YYSTYPE* yylval_param, void* yyscanner);
+extern void yyerror(TParseContext* context, const char* reason);
+
+#define FRAG_VERT_ONLY(S, L) { \
+ if (context->shaderType != SH_FRAGMENT_SHADER && \
+ context->shaderType != SH_VERTEX_SHADER) { \
+ context->error(L, " supported in vertex/fragment shaders only ", S); \
+ context->recover(); \
+ } \
+}
+
+#define VERTEX_ONLY(S, L) { \
+ if (context->shaderType != SH_VERTEX_SHADER) { \
+ context->error(L, " supported in vertex shaders only ", S); \
+ context->recover(); \
+ } \
+}
+
+#define FRAG_ONLY(S, L) { \
+ if (context->shaderType != SH_FRAGMENT_SHADER) { \
+ context->error(L, " supported in fragment shaders only ", S); \
+ context->recover(); \
+ } \
+}
+%}
+
+%token <lex> INVARIANT HIGH_PRECISION MEDIUM_PRECISION LOW_PRECISION PRECISION
+%token <lex> ATTRIBUTE CONST_QUAL BOOL_TYPE FLOAT_TYPE INT_TYPE
+%token <lex> BREAK CONTINUE DO ELSE FOR IF DISCARD RETURN
+%token <lex> BVEC2 BVEC3 BVEC4 IVEC2 IVEC3 IVEC4 VEC2 VEC3 VEC4
+%token <lex> MATRIX2 MATRIX3 MATRIX4 IN_QUAL OUT_QUAL INOUT_QUAL UNIFORM VARYING
+%token <lex> STRUCT VOID_TYPE WHILE
+%token <lex> SAMPLER2D SAMPLERCUBE
+
+%token <lex> IDENTIFIER TYPE_NAME FLOATCONSTANT INTCONSTANT BOOLCONSTANT
+%token <lex> FIELD_SELECTION
+%token <lex> LEFT_OP RIGHT_OP
+%token <lex> INC_OP DEC_OP LE_OP GE_OP EQ_OP NE_OP
+%token <lex> AND_OP OR_OP XOR_OP MUL_ASSIGN DIV_ASSIGN ADD_ASSIGN
+%token <lex> MOD_ASSIGN LEFT_ASSIGN RIGHT_ASSIGN AND_ASSIGN XOR_ASSIGN OR_ASSIGN
+%token <lex> SUB_ASSIGN
+
+%token <lex> LEFT_PAREN RIGHT_PAREN LEFT_BRACKET RIGHT_BRACKET LEFT_BRACE RIGHT_BRACE DOT
+%token <lex> COMMA COLON EQUAL SEMICOLON BANG DASH TILDE PLUS STAR SLASH PERCENT
+%token <lex> LEFT_ANGLE RIGHT_ANGLE VERTICAL_BAR CARET AMPERSAND QUESTION
+
+%type <interm> assignment_operator unary_operator
+%type <interm.intermTypedNode> variable_identifier primary_expression postfix_expression
+%type <interm.intermTypedNode> expression integer_expression assignment_expression
+%type <interm.intermTypedNode> unary_expression multiplicative_expression additive_expression
+%type <interm.intermTypedNode> relational_expression equality_expression
+%type <interm.intermTypedNode> conditional_expression constant_expression
+%type <interm.intermTypedNode> logical_or_expression logical_xor_expression logical_and_expression
+%type <interm.intermTypedNode> shift_expression and_expression exclusive_or_expression inclusive_or_expression
+%type <interm.intermTypedNode> function_call initializer condition conditionopt
+
+%type <interm.intermNode> translation_unit function_definition
+%type <interm.intermNode> statement simple_statement
+%type <interm.intermAggregate> statement_list compound_statement
+%type <interm.intermNode> declaration_statement selection_statement expression_statement
+%type <interm.intermNode> declaration external_declaration
+%type <interm.intermNode> for_init_statement compound_statement_no_new_scope
+%type <interm.nodePair> selection_rest_statement for_rest_statement
+%type <interm.intermNode> iteration_statement jump_statement statement_no_new_scope statement_with_scope
+%type <interm> single_declaration init_declarator_list
+
+%type <interm> parameter_declaration parameter_declarator parameter_type_specifier
+%type <interm.qualifier> parameter_qualifier
+
+%type <interm.precision> precision_qualifier
+%type <interm.type> type_qualifier fully_specified_type type_specifier
+%type <interm.type> type_specifier_no_prec type_specifier_nonarray
+%type <interm.type> struct_specifier
+%type <interm.typeLine> struct_declarator
+%type <interm.typeList> struct_declarator_list struct_declaration struct_declaration_list
+%type <interm.function> function_header function_declarator function_identifier
+%type <interm.function> function_header_with_parameters function_call_header
+%type <interm> function_call_header_with_parameters function_call_header_no_parameters function_call_generic function_prototype
+%type <interm> function_call_or_method
+
+%start translation_unit
+%%
+
+variable_identifier
+ : IDENTIFIER {
+ // The symbol table search was done in the lexical phase
+ const TSymbol* symbol = $1.symbol;
+ const TVariable* variable;
+ if (symbol == 0) {
+ context->error($1.line, "undeclared identifier", $1.string->c_str());
+ context->recover();
+ TType type(EbtFloat, EbpUndefined);
+ TVariable* fakeVariable = new TVariable($1.string, type);
+ context->symbolTable.insert(*fakeVariable);
+ variable = fakeVariable;
+ } else {
+ // This identifier can only be a variable type symbol
+ if (! symbol->isVariable()) {
+ context->error($1.line, "variable expected", $1.string->c_str());
+ context->recover();
+ }
+ variable = static_cast<const TVariable*>(symbol);
+ }
+
+ // don't delete $1.string, it's used by error recovery, and the pool
+ // pop will reclaim the memory
+
+ if (variable->getType().getQualifier() == EvqConst ) {
+ ConstantUnion* constArray = variable->getConstPointer();
+ TType t(variable->getType());
+ $$ = context->intermediate.addConstantUnion(constArray, t, $1.line);
+ } else
+ $$ = context->intermediate.addSymbol(variable->getUniqueId(),
+ variable->getName(),
+ variable->getType(), $1.line);
+ }
+ ;
+
+primary_expression
+ : variable_identifier {
+ $$ = $1;
+ }
+ | INTCONSTANT {
+ //
+ // INT_TYPE is only 16-bit plus sign bit for vertex/fragment shaders,
+ // check for overflow for constants
+ //
+ if (abs($1.i) >= (1 << 16)) {
+ context->error($1.line, " integer constant overflow", "");
+ context->recover();
+ }
+ ConstantUnion *unionArray = new ConstantUnion[1];
+ unionArray->setIConst($1.i);
+ $$ = context->intermediate.addConstantUnion(unionArray, TType(EbtInt, EbpUndefined, EvqConst), $1.line);
+ }
+ | FLOATCONSTANT {
+ ConstantUnion *unionArray = new ConstantUnion[1];
+ unionArray->setFConst($1.f);
+ $$ = context->intermediate.addConstantUnion(unionArray, TType(EbtFloat, EbpUndefined, EvqConst), $1.line);
+ }
+ | BOOLCONSTANT {
+ ConstantUnion *unionArray = new ConstantUnion[1];
+ unionArray->setBConst($1.b);
+ $$ = context->intermediate.addConstantUnion(unionArray, TType(EbtBool, EbpUndefined, EvqConst), $1.line);
+ }
+ | LEFT_PAREN expression RIGHT_PAREN {
+ $$ = $2;
+ }
+ ;
+
+postfix_expression
+ : primary_expression {
+ $$ = $1;
+ }
+ | postfix_expression LEFT_BRACKET integer_expression RIGHT_BRACKET {
+ if (!$1->isArray() && !$1->isMatrix() && !$1->isVector()) {
+ if ($1->getAsSymbolNode())
+ context->error($2.line, " left of '[' is not of type array, matrix, or vector ", $1->getAsSymbolNode()->getSymbol().c_str());
+ else
+ context->error($2.line, " left of '[' is not of type array, matrix, or vector ", "expression");
+ context->recover();
+ }
+ if ($1->getType().getQualifier() == EvqConst && $3->getQualifier() == EvqConst) {
+ if ($1->isArray()) { // constant folding for arrays
+ $$ = context->addConstArrayNode($3->getAsConstantUnion()->getUnionArrayPointer()->getIConst(), $1, $2.line);
+ } else if ($1->isVector()) { // constant folding for vectors
+ TVectorFields fields;
+ fields.num = 1;
+ fields.offsets[0] = $3->getAsConstantUnion()->getUnionArrayPointer()->getIConst(); // need to do it this way because v.xy sends fields integer array
+ $$ = context->addConstVectorNode(fields, $1, $2.line);
+ } else if ($1->isMatrix()) { // constant folding for matrices
+ $$ = context->addConstMatrixNode($3->getAsConstantUnion()->getUnionArrayPointer()->getIConst(), $1, $2.line);
+ }
+ } else {
+ if ($3->getQualifier() == EvqConst) {
+ if (($1->isVector() || $1->isMatrix()) && $1->getType().getNominalSize() <= $3->getAsConstantUnion()->getUnionArrayPointer()->getIConst() && !$1->isArray() ) {
+ std::stringstream extraInfoStream;
+ extraInfoStream << "field selection out of range '" << $3->getAsConstantUnion()->getUnionArrayPointer()->getIConst() << "'";
+ std::string extraInfo = extraInfoStream.str();
+ context->error($2.line, "", "[", extraInfo.c_str());
+ context->recover();
+ } else {
+ if ($1->isArray()) {
+ if ($1->getType().getArraySize() == 0) {
+ if ($1->getType().getMaxArraySize() <= $3->getAsConstantUnion()->getUnionArrayPointer()->getIConst()) {
+ if (context->arraySetMaxSize($1->getAsSymbolNode(), $1->getTypePointer(), $3->getAsConstantUnion()->getUnionArrayPointer()->getIConst(), true, $2.line))
+ context->recover();
+ } else {
+ if (context->arraySetMaxSize($1->getAsSymbolNode(), $1->getTypePointer(), 0, false, $2.line))
+ context->recover();
+ }
+ } else if ( $3->getAsConstantUnion()->getUnionArrayPointer()->getIConst() >= $1->getType().getArraySize()) {
+ std::stringstream extraInfoStream;
+ extraInfoStream << "array index out of range '" << $3->getAsConstantUnion()->getUnionArrayPointer()->getIConst() << "'";
+ std::string extraInfo = extraInfoStream.str();
+ context->error($2.line, "", "[", extraInfo.c_str());
+ context->recover();
+ }
+ }
+ $$ = context->intermediate.addIndex(EOpIndexDirect, $1, $3, $2.line);
+ }
+ } else {
+ if ($1->isArray() && $1->getType().getArraySize() == 0) {
+ context->error($2.line, "", "[", "array must be redeclared with a size before being indexed with a variable");
+ context->recover();
+ }
+
+ $$ = context->intermediate.addIndex(EOpIndexIndirect, $1, $3, $2.line);
+ }
+ }
+ if ($$ == 0) {
+ ConstantUnion *unionArray = new ConstantUnion[1];
+ unionArray->setFConst(0.0f);
+ $$ = context->intermediate.addConstantUnion(unionArray, TType(EbtFloat, EbpHigh, EvqConst), $2.line);
+ } else if ($1->isArray()) {
+ if ($1->getType().getStruct())
+ $$->setType(TType($1->getType().getStruct(), $1->getType().getTypeName()));
+ else
+ $$->setType(TType($1->getBasicType(), $1->getPrecision(), EvqTemporary, $1->getNominalSize(), $1->isMatrix()));
+
+ if ($1->getType().getQualifier() == EvqConst)
+ $$->getTypePointer()->setQualifier(EvqConst);
+ } else if ($1->isMatrix() && $1->getType().getQualifier() == EvqConst)
+ $$->setType(TType($1->getBasicType(), $1->getPrecision(), EvqConst, $1->getNominalSize()));
+ else if ($1->isMatrix())
+ $$->setType(TType($1->getBasicType(), $1->getPrecision(), EvqTemporary, $1->getNominalSize()));
+ else if ($1->isVector() && $1->getType().getQualifier() == EvqConst)
+ $$->setType(TType($1->getBasicType(), $1->getPrecision(), EvqConst));
+ else if ($1->isVector())
+ $$->setType(TType($1->getBasicType(), $1->getPrecision(), EvqTemporary));
+ else
+ $$->setType($1->getType());
+ }
+ | function_call {
+ $$ = $1;
+ }
+ | postfix_expression DOT FIELD_SELECTION {
+ if ($1->isArray()) {
+ context->error($3.line, "cannot apply dot operator to an array", ".");
+ context->recover();
+ }
+
+ if ($1->isVector()) {
+ TVectorFields fields;
+ if (! context->parseVectorFields(*$3.string, $1->getNominalSize(), fields, $3.line)) {
+ fields.num = 1;
+ fields.offsets[0] = 0;
+ context->recover();
+ }
+
+ if ($1->getType().getQualifier() == EvqConst) { // constant folding for vector fields
+ $$ = context->addConstVectorNode(fields, $1, $3.line);
+ if ($$ == 0) {
+ context->recover();
+ $$ = $1;
+ }
+ else
+ $$->setType(TType($1->getBasicType(), $1->getPrecision(), EvqConst, (int) (*$3.string).size()));
+ } else {
+ TString vectorString = *$3.string;
+ TIntermTyped* index = context->intermediate.addSwizzle(fields, $3.line);
+ $$ = context->intermediate.addIndex(EOpVectorSwizzle, $1, index, $2.line);
+ $$->setType(TType($1->getBasicType(), $1->getPrecision(), EvqTemporary, (int) vectorString.size()));
+ }
+ } else if ($1->isMatrix()) {
+ TMatrixFields fields;
+ if (! context->parseMatrixFields(*$3.string, $1->getNominalSize(), fields, $3.line)) {
+ fields.wholeRow = false;
+ fields.wholeCol = false;
+ fields.row = 0;
+ fields.col = 0;
+ context->recover();
+ }
+
+ if (fields.wholeRow || fields.wholeCol) {
+ context->error($2.line, " non-scalar fields not implemented yet", ".");
+ context->recover();
+ ConstantUnion *unionArray = new ConstantUnion[1];
+ unionArray->setIConst(0);
+ TIntermTyped* index = context->intermediate.addConstantUnion(unionArray, TType(EbtInt, EbpUndefined, EvqConst), $3.line);
+ $$ = context->intermediate.addIndex(EOpIndexDirect, $1, index, $2.line);
+ $$->setType(TType($1->getBasicType(), $1->getPrecision(),EvqTemporary, $1->getNominalSize()));
+ } else {
+ ConstantUnion *unionArray = new ConstantUnion[1];
+ unionArray->setIConst(fields.col * $1->getNominalSize() + fields.row);
+ TIntermTyped* index = context->intermediate.addConstantUnion(unionArray, TType(EbtInt, EbpUndefined, EvqConst), $3.line);
+ $$ = context->intermediate.addIndex(EOpIndexDirect, $1, index, $2.line);
+ $$->setType(TType($1->getBasicType(), $1->getPrecision()));
+ }
+ } else if ($1->getBasicType() == EbtStruct) {
+ bool fieldFound = false;
+ const TTypeList* fields = $1->getType().getStruct();
+ if (fields == 0) {
+ context->error($2.line, "structure has no fields", "Internal Error");
+ context->recover();
+ $$ = $1;
+ } else {
+ unsigned int i;
+ for (i = 0; i < fields->size(); ++i) {
+ if ((*fields)[i].type->getFieldName() == *$3.string) {
+ fieldFound = true;
+ break;
+ }
+ }
+ if (fieldFound) {
+ if ($1->getType().getQualifier() == EvqConst) {
+ $$ = context->addConstStruct(*$3.string, $1, $2.line);
+ if ($$ == 0) {
+ context->recover();
+ $$ = $1;
+ }
+ else {
+ $$->setType(*(*fields)[i].type);
+ // change the qualifier of the return type, not of the structure field
+ // as the structure definition is shared between various structures.
+ $$->getTypePointer()->setQualifier(EvqConst);
+ }
+ } else {
+ ConstantUnion *unionArray = new ConstantUnion[1];
+ unionArray->setIConst(i);
+ TIntermTyped* index = context->intermediate.addConstantUnion(unionArray, *(*fields)[i].type, $3.line);
+ $$ = context->intermediate.addIndex(EOpIndexDirectStruct, $1, index, $2.line);
+ $$->setType(*(*fields)[i].type);
+ }
+ } else {
+ context->error($2.line, " no such field in structure", $3.string->c_str());
+ context->recover();
+ $$ = $1;
+ }
+ }
+ } else {
+ context->error($2.line, " field selection requires structure, vector, or matrix on left hand side", $3.string->c_str());
+ context->recover();
+ $$ = $1;
+ }
+ // don't delete $3.string, it's from the pool
+ }
+ | postfix_expression INC_OP {
+ if (context->lValueErrorCheck($2.line, "++", $1))
+ context->recover();
+ $$ = context->intermediate.addUnaryMath(EOpPostIncrement, $1, $2.line, context->symbolTable);
+ if ($$ == 0) {
+ context->unaryOpError($2.line, "++", $1->getCompleteString());
+ context->recover();
+ $$ = $1;
+ }
+ }
+ | postfix_expression DEC_OP {
+ if (context->lValueErrorCheck($2.line, "--", $1))
+ context->recover();
+ $$ = context->intermediate.addUnaryMath(EOpPostDecrement, $1, $2.line, context->symbolTable);
+ if ($$ == 0) {
+ context->unaryOpError($2.line, "--", $1->getCompleteString());
+ context->recover();
+ $$ = $1;
+ }
+ }
+ ;
+
+integer_expression
+ : expression {
+ if (context->integerErrorCheck($1, "[]"))
+ context->recover();
+ $$ = $1;
+ }
+ ;
+
+function_call
+ : function_call_or_method {
+ TFunction* fnCall = $1.function;
+ TOperator op = fnCall->getBuiltInOp();
+
+ if (op != EOpNull)
+ {
+ //
+ // Then this should be a constructor.
+ // Don't go through the symbol table for constructors.
+ // Their parameters will be verified algorithmically.
+ //
+ TType type(EbtVoid, EbpUndefined); // use this to get the type back
+ if (context->constructorErrorCheck($1.line, $1.intermNode, *fnCall, op, &type)) {
+ $$ = 0;
+ } else {
+ //
+ // It's a constructor, of type 'type'.
+ //
+ $$ = context->addConstructor($1.intermNode, &type, op, fnCall, $1.line);
+ }
+
+ if ($$ == 0) {
+ context->recover();
+ $$ = context->intermediate.setAggregateOperator(0, op, $1.line);
+ }
+ $$->setType(type);
+ } else {
+ //
+ // Not a constructor. Find it in the symbol table.
+ //
+ const TFunction* fnCandidate;
+ bool builtIn;
+ fnCandidate = context->findFunction($1.line, fnCall, &builtIn);
+ if (fnCandidate) {
+ //
+ // A declared function.
+ //
+ if (builtIn && !fnCandidate->getExtension().empty() &&
+ context->extensionErrorCheck($1.line, fnCandidate->getExtension())) {
+ context->recover();
+ }
+ op = fnCandidate->getBuiltInOp();
+ if (builtIn && op != EOpNull) {
+ //
+ // A function call mapped to a built-in operation.
+ //
+ if (fnCandidate->getParamCount() == 1) {
+ //
+ // Treat it like a built-in unary operator.
+ //
+ $$ = context->intermediate.addUnaryMath(op, $1.intermNode, 0, context->symbolTable);
+ if ($$ == 0) {
+ std::stringstream extraInfoStream;
+ extraInfoStream << "built in unary operator function. Type: " << static_cast<TIntermTyped*>($1.intermNode)->getCompleteString();
+ std::string extraInfo = extraInfoStream.str();
+ context->error($1.intermNode->getLine(), " wrong operand type", "Internal Error", extraInfo.c_str());
+ YYERROR;
+ }
+ } else {
+ $$ = context->intermediate.setAggregateOperator($1.intermAggregate, op, $1.line);
+ }
+ } else {
+ // This is a real function call
+
+ $$ = context->intermediate.setAggregateOperator($1.intermAggregate, EOpFunctionCall, $1.line);
+ $$->setType(fnCandidate->getReturnType());
+
+ // this is how we know whether the given function is a builtIn function or a user defined function
+ // if builtIn == false, it's a userDefined -> could be an overloaded builtIn function also
+ // if builtIn == true, it's definitely a builtIn function with EOpNull
+ if (!builtIn)
+ $$->getAsAggregate()->setUserDefined();
+ $$->getAsAggregate()->setName(fnCandidate->getMangledName());
+
+ TQualifier qual;
+ for (int i = 0; i < fnCandidate->getParamCount(); ++i) {
+ qual = fnCandidate->getParam(i).type->getQualifier();
+ if (qual == EvqOut || qual == EvqInOut) {
+ if (context->lValueErrorCheck($$->getLine(), "assign", $$->getAsAggregate()->getSequence()[i]->getAsTyped())) {
+ context->error($1.intermNode->getLine(), "Constant value cannot be passed for 'out' or 'inout' parameters.", "Error");
+ context->recover();
+ }
+ }
+ }
+ }
+ $$->setType(fnCandidate->getReturnType());
+ } else {
+ // error message was put out by PaFindFunction()
+ // Put on a dummy node for error recovery
+ ConstantUnion *unionArray = new ConstantUnion[1];
+ unionArray->setFConst(0.0f);
+ $$ = context->intermediate.addConstantUnion(unionArray, TType(EbtFloat, EbpUndefined, EvqConst), $1.line);
+ context->recover();
+ }
+ }
+ delete fnCall;
+ }
+ ;
+
+function_call_or_method
+ : function_call_generic {
+ $$ = $1;
+ }
+ | postfix_expression DOT function_call_generic {
+ context->error($3.line, "methods are not supported", "");
+ context->recover();
+ $$ = $3;
+ }
+ ;
+
+function_call_generic
+ : function_call_header_with_parameters RIGHT_PAREN {
+ $$ = $1;
+ $$.line = $2.line;
+ }
+ | function_call_header_no_parameters RIGHT_PAREN {
+ $$ = $1;
+ $$.line = $2.line;
+ }
+ ;
+
+function_call_header_no_parameters
+ : function_call_header VOID_TYPE {
+ $$.function = $1;
+ $$.intermNode = 0;
+ }
+ | function_call_header {
+ $$.function = $1;
+ $$.intermNode = 0;
+ }
+ ;
+
+function_call_header_with_parameters
+ : function_call_header assignment_expression {
+ TParameter param = { 0, new TType($2->getType()) };
+ $1->addParameter(param);
+ $$.function = $1;
+ $$.intermNode = $2;
+ }
+ | function_call_header_with_parameters COMMA assignment_expression {
+ TParameter param = { 0, new TType($3->getType()) };
+ $1.function->addParameter(param);
+ $$.function = $1.function;
+ $$.intermNode = context->intermediate.growAggregate($1.intermNode, $3, $2.line);
+ }
+ ;
+
+function_call_header
+ : function_identifier LEFT_PAREN {
+ $$ = $1;
+ }
+ ;
+
+// Grammar Note: Constructors look like functions, but are recognized as types.
+
+function_identifier
+ : type_specifier_nonarray {
+ //
+ // Constructor
+ //
+ TOperator op = EOpNull;
+ if ($1.userDef) {
+ op = EOpConstructStruct;
+ } else {
+ switch ($1.type) {
+ case EbtFloat:
+ if ($1.matrix) {
+ switch($1.size) {
+ case 2: op = EOpConstructMat2; break;
+ case 3: op = EOpConstructMat3; break;
+ case 4: op = EOpConstructMat4; break;
+ }
+ } else {
+ switch($1.size) {
+ case 1: op = EOpConstructFloat; break;
+ case 2: op = EOpConstructVec2; break;
+ case 3: op = EOpConstructVec3; break;
+ case 4: op = EOpConstructVec4; break;
+ }
+ }
+ break;
+ case EbtInt:
+ switch($1.size) {
+ case 1: op = EOpConstructInt; break;
+ case 2: FRAG_VERT_ONLY("ivec2", $1.line); op = EOpConstructIVec2; break;
+ case 3: FRAG_VERT_ONLY("ivec3", $1.line); op = EOpConstructIVec3; break;
+ case 4: FRAG_VERT_ONLY("ivec4", $1.line); op = EOpConstructIVec4; break;
+ }
+ break;
+ case EbtBool:
+ switch($1.size) {
+ case 1: op = EOpConstructBool; break;
+ case 2: FRAG_VERT_ONLY("bvec2", $1.line); op = EOpConstructBVec2; break;
+ case 3: FRAG_VERT_ONLY("bvec3", $1.line); op = EOpConstructBVec3; break;
+ case 4: FRAG_VERT_ONLY("bvec4", $1.line); op = EOpConstructBVec4; break;
+ }
+ break;
+ default: break;
+ }
+ if (op == EOpNull) {
+ context->error($1.line, "cannot construct this type", getBasicString($1.type));
+ context->recover();
+ $1.type = EbtFloat;
+ op = EOpConstructFloat;
+ }
+ }
+ TString tempString;
+ TType type($1);
+ TFunction *function = new TFunction(&tempString, type, op);
+ $$ = function;
+ }
+ | IDENTIFIER {
+ if (context->reservedErrorCheck($1.line, *$1.string))
+ context->recover();
+ TType type(EbtVoid, EbpUndefined);
+ TFunction *function = new TFunction($1.string, type);
+ $$ = function;
+ }
+ | FIELD_SELECTION {
+ if (context->reservedErrorCheck($1.line, *$1.string))
+ context->recover();
+ TType type(EbtVoid, EbpUndefined);
+ TFunction *function = new TFunction($1.string, type);
+ $$ = function;
+ }
+ ;
+
+unary_expression
+ : postfix_expression {
+ $$ = $1;
+ }
+ | INC_OP unary_expression {
+ if (context->lValueErrorCheck($1.line, "++", $2))
+ context->recover();
+ $$ = context->intermediate.addUnaryMath(EOpPreIncrement, $2, $1.line, context->symbolTable);
+ if ($$ == 0) {
+ context->unaryOpError($1.line, "++", $2->getCompleteString());
+ context->recover();
+ $$ = $2;
+ }
+ }
+ | DEC_OP unary_expression {
+ if (context->lValueErrorCheck($1.line, "--", $2))
+ context->recover();
+ $$ = context->intermediate.addUnaryMath(EOpPreDecrement, $2, $1.line, context->symbolTable);
+ if ($$ == 0) {
+ context->unaryOpError($1.line, "--", $2->getCompleteString());
+ context->recover();
+ $$ = $2;
+ }
+ }
+ | unary_operator unary_expression {
+ if ($1.op != EOpNull) {
+ $$ = context->intermediate.addUnaryMath($1.op, $2, $1.line, context->symbolTable);
+ if ($$ == 0) {
+ const char* errorOp = "";
+ switch($1.op) {
+ case EOpNegative: errorOp = "-"; break;
+ case EOpLogicalNot: errorOp = "!"; break;
+ default: break;
+ }
+ context->unaryOpError($1.line, errorOp, $2->getCompleteString());
+ context->recover();
+ $$ = $2;
+ }
+ } else
+ $$ = $2;
+ }
+ ;
+// Grammar Note: No traditional style type casts.
+
+unary_operator
+ : PLUS { $$.line = $1.line; $$.op = EOpNull; }
+ | DASH { $$.line = $1.line; $$.op = EOpNegative; }
+ | BANG { $$.line = $1.line; $$.op = EOpLogicalNot; }
+ ;
+// Grammar Note: No '*' or '&' unary ops. Pointers are not supported.
+
+multiplicative_expression
+ : unary_expression { $$ = $1; }
+ | multiplicative_expression STAR unary_expression {
+ FRAG_VERT_ONLY("*", $2.line);
+ $$ = context->intermediate.addBinaryMath(EOpMul, $1, $3, $2.line, context->symbolTable);
+ if ($$ == 0) {
+ context->binaryOpError($2.line, "*", $1->getCompleteString(), $3->getCompleteString());
+ context->recover();
+ $$ = $1;
+ }
+ }
+ | multiplicative_expression SLASH unary_expression {
+ FRAG_VERT_ONLY("/", $2.line);
+ $$ = context->intermediate.addBinaryMath(EOpDiv, $1, $3, $2.line, context->symbolTable);
+ if ($$ == 0) {
+ context->binaryOpError($2.line, "/", $1->getCompleteString(), $3->getCompleteString());
+ context->recover();
+ $$ = $1;
+ }
+ }
+ ;
+
+additive_expression
+ : multiplicative_expression { $$ = $1; }
+ | additive_expression PLUS multiplicative_expression {
+ $$ = context->intermediate.addBinaryMath(EOpAdd, $1, $3, $2.line, context->symbolTable);
+ if ($$ == 0) {
+ context->binaryOpError($2.line, "+", $1->getCompleteString(), $3->getCompleteString());
+ context->recover();
+ $$ = $1;
+ }
+ }
+ | additive_expression DASH multiplicative_expression {
+ $$ = context->intermediate.addBinaryMath(EOpSub, $1, $3, $2.line, context->symbolTable);
+ if ($$ == 0) {
+ context->binaryOpError($2.line, "-", $1->getCompleteString(), $3->getCompleteString());
+ context->recover();
+ $$ = $1;
+ }
+ }
+ ;
+
+shift_expression
+ : additive_expression { $$ = $1; }
+ ;
+
+relational_expression
+ : shift_expression { $$ = $1; }
+ | relational_expression LEFT_ANGLE shift_expression {
+ $$ = context->intermediate.addBinaryMath(EOpLessThan, $1, $3, $2.line, context->symbolTable);
+ if ($$ == 0) {
+ context->binaryOpError($2.line, "<", $1->getCompleteString(), $3->getCompleteString());
+ context->recover();
+ ConstantUnion *unionArray = new ConstantUnion[1];
+ unionArray->setBConst(false);
+ $$ = context->intermediate.addConstantUnion(unionArray, TType(EbtBool, EbpUndefined, EvqConst), $2.line);
+ }
+ }
+ | relational_expression RIGHT_ANGLE shift_expression {
+ $$ = context->intermediate.addBinaryMath(EOpGreaterThan, $1, $3, $2.line, context->symbolTable);
+ if ($$ == 0) {
+ context->binaryOpError($2.line, ">", $1->getCompleteString(), $3->getCompleteString());
+ context->recover();
+ ConstantUnion *unionArray = new ConstantUnion[1];
+ unionArray->setBConst(false);
+ $$ = context->intermediate.addConstantUnion(unionArray, TType(EbtBool, EbpUndefined, EvqConst), $2.line);
+ }
+ }
+ | relational_expression LE_OP shift_expression {
+ $$ = context->intermediate.addBinaryMath(EOpLessThanEqual, $1, $3, $2.line, context->symbolTable);
+ if ($$ == 0) {
+ context->binaryOpError($2.line, "<=", $1->getCompleteString(), $3->getCompleteString());
+ context->recover();
+ ConstantUnion *unionArray = new ConstantUnion[1];
+ unionArray->setBConst(false);
+ $$ = context->intermediate.addConstantUnion(unionArray, TType(EbtBool, EbpUndefined, EvqConst), $2.line);
+ }
+ }
+ | relational_expression GE_OP shift_expression {
+ $$ = context->intermediate.addBinaryMath(EOpGreaterThanEqual, $1, $3, $2.line, context->symbolTable);
+ if ($$ == 0) {
+ context->binaryOpError($2.line, ">=", $1->getCompleteString(), $3->getCompleteString());
+ context->recover();
+ ConstantUnion *unionArray = new ConstantUnion[1];
+ unionArray->setBConst(false);
+ $$ = context->intermediate.addConstantUnion(unionArray, TType(EbtBool, EbpUndefined, EvqConst), $2.line);
+ }
+ }
+ ;
+
+equality_expression
+ : relational_expression { $$ = $1; }
+ | equality_expression EQ_OP relational_expression {
+ $$ = context->intermediate.addBinaryMath(EOpEqual, $1, $3, $2.line, context->symbolTable);
+ if ($$ == 0) {
+ context->binaryOpError($2.line, "==", $1->getCompleteString(), $3->getCompleteString());
+ context->recover();
+ ConstantUnion *unionArray = new ConstantUnion[1];
+ unionArray->setBConst(false);
+ $$ = context->intermediate.addConstantUnion(unionArray, TType(EbtBool, EbpUndefined, EvqConst), $2.line);
+ }
+ }
+ | equality_expression NE_OP relational_expression {
+ $$ = context->intermediate.addBinaryMath(EOpNotEqual, $1, $3, $2.line, context->symbolTable);
+ if ($$ == 0) {
+ context->binaryOpError($2.line, "!=", $1->getCompleteString(), $3->getCompleteString());
+ context->recover();
+ ConstantUnion *unionArray = new ConstantUnion[1];
+ unionArray->setBConst(false);
+ $$ = context->intermediate.addConstantUnion(unionArray, TType(EbtBool, EbpUndefined, EvqConst), $2.line);
+ }
+ }
+ ;
+
+and_expression
+ : equality_expression { $$ = $1; }
+ ;
+
+exclusive_or_expression
+ : and_expression { $$ = $1; }
+ ;
+
+inclusive_or_expression
+ : exclusive_or_expression { $$ = $1; }
+ ;
+
+logical_and_expression
+ : inclusive_or_expression { $$ = $1; }
+ | logical_and_expression AND_OP inclusive_or_expression {
+ $$ = context->intermediate.addBinaryMath(EOpLogicalAnd, $1, $3, $2.line, context->symbolTable);
+ if ($$ == 0) {
+ context->binaryOpError($2.line, "&&", $1->getCompleteString(), $3->getCompleteString());
+ context->recover();
+ ConstantUnion *unionArray = new ConstantUnion[1];
+ unionArray->setBConst(false);
+ $$ = context->intermediate.addConstantUnion(unionArray, TType(EbtBool, EbpUndefined, EvqConst), $2.line);
+ }
+ }
+ ;
+
+logical_xor_expression
+ : logical_and_expression { $$ = $1; }
+ | logical_xor_expression XOR_OP logical_and_expression {
+ $$ = context->intermediate.addBinaryMath(EOpLogicalXor, $1, $3, $2.line, context->symbolTable);
+ if ($$ == 0) {
+ context->binaryOpError($2.line, "^^", $1->getCompleteString(), $3->getCompleteString());
+ context->recover();
+ ConstantUnion *unionArray = new ConstantUnion[1];
+ unionArray->setBConst(false);
+ $$ = context->intermediate.addConstantUnion(unionArray, TType(EbtBool, EbpUndefined, EvqConst), $2.line);
+ }
+ }
+ ;
+
+logical_or_expression
+ : logical_xor_expression { $$ = $1; }
+ | logical_or_expression OR_OP logical_xor_expression {
+ $$ = context->intermediate.addBinaryMath(EOpLogicalOr, $1, $3, $2.line, context->symbolTable);
+ if ($$ == 0) {
+ context->binaryOpError($2.line, "||", $1->getCompleteString(), $3->getCompleteString());
+ context->recover();
+ ConstantUnion *unionArray = new ConstantUnion[1];
+ unionArray->setBConst(false);
+ $$ = context->intermediate.addConstantUnion(unionArray, TType(EbtBool, EbpUndefined, EvqConst), $2.line);
+ }
+ }
+ ;
+
+conditional_expression
+ : logical_or_expression { $$ = $1; }
+ | logical_or_expression QUESTION expression COLON assignment_expression {
+ if (context->boolErrorCheck($2.line, $1))
+ context->recover();
+
+ $$ = context->intermediate.addSelection($1, $3, $5, $2.line);
+ if ($3->getType() != $5->getType())
+ $$ = 0;
+
+ if ($$ == 0) {
+ context->binaryOpError($2.line, ":", $3->getCompleteString(), $5->getCompleteString());
+ context->recover();
+ $$ = $5;
+ }
+ }
+ ;
+
+assignment_expression
+ : conditional_expression { $$ = $1; }
+ | unary_expression assignment_operator assignment_expression {
+ if (context->lValueErrorCheck($2.line, "assign", $1))
+ context->recover();
+ $$ = context->intermediate.addAssign($2.op, $1, $3, $2.line);
+ if ($$ == 0) {
+ context->assignError($2.line, "assign", $1->getCompleteString(), $3->getCompleteString());
+ context->recover();
+ $$ = $1;
+ }
+ }
+ ;
+
+assignment_operator
+ : EQUAL { $$.line = $1.line; $$.op = EOpAssign; }
+ | MUL_ASSIGN { FRAG_VERT_ONLY("*=", $1.line); $$.line = $1.line; $$.op = EOpMulAssign; }
+ | DIV_ASSIGN { FRAG_VERT_ONLY("/=", $1.line); $$.line = $1.line; $$.op = EOpDivAssign; }
+ | ADD_ASSIGN { $$.line = $1.line; $$.op = EOpAddAssign; }
+ | SUB_ASSIGN { $$.line = $1.line; $$.op = EOpSubAssign; }
+ ;
+
+expression
+ : assignment_expression {
+ $$ = $1;
+ }
+ | expression COMMA assignment_expression {
+ $$ = context->intermediate.addComma($1, $3, $2.line);
+ if ($$ == 0) {
+ context->binaryOpError($2.line, ",", $1->getCompleteString(), $3->getCompleteString());
+ context->recover();
+ $$ = $3;
+ }
+ }
+ ;
+
+constant_expression
+ : conditional_expression {
+ if (context->constErrorCheck($1))
+ context->recover();
+ $$ = $1;
+ }
+ ;
+
+declaration
+ : function_prototype SEMICOLON {
+ TFunction &function = *($1.function);
+
+ TIntermAggregate *prototype = new TIntermAggregate;
+ prototype->setType(function.getReturnType());
+ prototype->setName(function.getName());
+
+ for (int i = 0; i < function.getParamCount(); i++)
+ {
+ const TParameter ¶m = function.getParam(i);
+ if (param.name != 0)
+ {
+ TVariable *variable = new TVariable(param.name, *param.type);
+
+ prototype = context->intermediate.growAggregate(prototype, context->intermediate.addSymbol(variable->getUniqueId(), variable->getName(), variable->getType(), $1.line), $1.line);
+ }
+ else
+ {
+ prototype = context->intermediate.growAggregate(prototype, context->intermediate.addSymbol(0, "", *param.type, $1.line), $1.line);
+ }
+ }
+
+ prototype->setOp(EOpPrototype);
+ $$ = prototype;
+
+ context->symbolTable.pop();
+ }
+ | init_declarator_list SEMICOLON {
+ if ($1.intermAggregate)
+ $1.intermAggregate->setOp(EOpDeclaration);
+ $$ = $1.intermAggregate;
+ }
+ | PRECISION precision_qualifier type_specifier_no_prec SEMICOLON {
+ context->symbolTable.setDefaultPrecision( $3.type, $2 );
+ $$ = 0;
+ }
+ ;
+
+function_prototype
+ : function_declarator RIGHT_PAREN {
+ //
+ // Multiple declarations of the same function are allowed.
+ //
+ // If this is a definition, the definition production code will check for redefinitions
+ // (we don't know at this point if it's a definition or not).
+ //
+ // Redeclarations are allowed. But, return types and parameter qualifiers must match.
+ //
+ TFunction* prevDec = static_cast<TFunction*>(context->symbolTable.find($1->getMangledName()));
+ if (prevDec) {
+ if (prevDec->getReturnType() != $1->getReturnType()) {
+ context->error($2.line, "overloaded functions must have the same return type", $1->getReturnType().getBasicString());
+ context->recover();
+ }
+ for (int i = 0; i < prevDec->getParamCount(); ++i) {
+ if (prevDec->getParam(i).type->getQualifier() != $1->getParam(i).type->getQualifier()) {
+ context->error($2.line, "overloaded functions must have the same parameter qualifiers", $1->getParam(i).type->getQualifierString());
+ context->recover();
+ }
+ }
+ }
+
+ //
+ // If this is a redeclaration, it could also be a definition,
+ // in which case, we want to use the variable names from this one, and not the one that's
+ // being redeclared. So, pass back up this declaration, not the one in the symbol table.
+ //
+ $$.function = $1;
+ $$.line = $2.line;
+
+ // We're at the inner scope level of the function's arguments and body statement.
+ // Add the function prototype to the surrounding scope instead.
+ context->symbolTable.getOuterLevel()->insert(*$$.function);
+ }
+ ;
+
+function_declarator
+ : function_header {
+ $$ = $1;
+ }
+ | function_header_with_parameters {
+ $$ = $1;
+ }
+ ;
+
+
+function_header_with_parameters
+ : function_header parameter_declaration {
+ // Add the parameter
+ $$ = $1;
+ if ($2.param.type->getBasicType() != EbtVoid)
+ $1->addParameter($2.param);
+ else
+ delete $2.param.type;
+ }
+ | function_header_with_parameters COMMA parameter_declaration {
+ //
+ // Only first parameter of one-parameter functions can be void
+ // The check for named parameters not being void is done in parameter_declarator
+ //
+ if ($3.param.type->getBasicType() == EbtVoid) {
+ //
+ // This parameter > first is void
+ //
+ context->error($2.line, "cannot be an argument type except for '(void)'", "void");
+ context->recover();
+ delete $3.param.type;
+ } else {
+ // Add the parameter
+ $$ = $1;
+ $1->addParameter($3.param);
+ }
+ }
+ ;
+
+function_header
+ : fully_specified_type IDENTIFIER LEFT_PAREN {
+ if ($1.qualifier != EvqGlobal && $1.qualifier != EvqTemporary) {
+ context->error($2.line, "no qualifiers allowed for function return", getQualifierString($1.qualifier));
+ context->recover();
+ }
+ // make sure a sampler is not involved as well...
+ if (context->structQualifierErrorCheck($2.line, $1))
+ context->recover();
+
+ // Add the function as a prototype after parsing it (we do not support recursion)
+ TFunction *function;
+ TType type($1);
+ function = new TFunction($2.string, type);
+ $$ = function;
+
+ context->symbolTable.push();
+ }
+ ;
+
+parameter_declarator
+ // Type + name
+ : type_specifier IDENTIFIER {
+ if ($1.type == EbtVoid) {
+ context->error($2.line, "illegal use of type 'void'", $2.string->c_str());
+ context->recover();
+ }
+ if (context->reservedErrorCheck($2.line, *$2.string))
+ context->recover();
+ TParameter param = {$2.string, new TType($1)};
+ $$.line = $2.line;
+ $$.param = param;
+ }
+ | type_specifier IDENTIFIER LEFT_BRACKET constant_expression RIGHT_BRACKET {
+ // Check that we can make an array out of this type
+ if (context->arrayTypeErrorCheck($3.line, $1))
+ context->recover();
+
+ if (context->reservedErrorCheck($2.line, *$2.string))
+ context->recover();
+
+ int size;
+ if (context->arraySizeErrorCheck($3.line, $4, size))
+ context->recover();
+ $1.setArray(true, size);
+
+ TType* type = new TType($1);
+ TParameter param = { $2.string, type };
+ $$.line = $2.line;
+ $$.param = param;
+ }
+ ;
+
+parameter_declaration
+ //
+ // The only parameter qualifier a parameter can have are
+ // IN_QUAL, OUT_QUAL, INOUT_QUAL, or CONST.
+ //
+
+ //
+ // Type + name
+ //
+ : type_qualifier parameter_qualifier parameter_declarator {
+ $$ = $3;
+ if (context->paramErrorCheck($3.line, $1.qualifier, $2, $$.param.type))
+ context->recover();
+ }
+ | parameter_qualifier parameter_declarator {
+ $$ = $2;
+ if (context->parameterSamplerErrorCheck($2.line, $1, *$2.param.type))
+ context->recover();
+ if (context->paramErrorCheck($2.line, EvqTemporary, $1, $$.param.type))
+ context->recover();
+ }
+ //
+ // Only type
+ //
+ | type_qualifier parameter_qualifier parameter_type_specifier {
+ $$ = $3;
+ if (context->paramErrorCheck($3.line, $1.qualifier, $2, $$.param.type))
+ context->recover();
+ }
+ | parameter_qualifier parameter_type_specifier {
+ $$ = $2;
+ if (context->parameterSamplerErrorCheck($2.line, $1, *$2.param.type))
+ context->recover();
+ if (context->paramErrorCheck($2.line, EvqTemporary, $1, $$.param.type))
+ context->recover();
+ }
+ ;
+
+parameter_qualifier
+ : /* empty */ {
+ $$ = EvqIn;
+ }
+ | IN_QUAL {
+ $$ = EvqIn;
+ }
+ | OUT_QUAL {
+ $$ = EvqOut;
+ }
+ | INOUT_QUAL {
+ $$ = EvqInOut;
+ }
+ ;
+
+parameter_type_specifier
+ : type_specifier {
+ TParameter param = { 0, new TType($1) };
+ $$.param = param;
+ }
+ ;
+
+init_declarator_list
+ : single_declaration {
+ $$ = $1;
+ }
+ | init_declarator_list COMMA IDENTIFIER {
+ if ($1.type.type == EbtInvariant && !$3.symbol)
+ {
+ context->error($3.line, "undeclared identifier declared as invariant", $3.string->c_str());
+ context->recover();
+ }
+
+ TIntermSymbol* symbol = context->intermediate.addSymbol(0, *$3.string, TType($1.type), $3.line);
+ $$.intermAggregate = context->intermediate.growAggregate($1.intermNode, symbol, $3.line);
+
+ if (context->structQualifierErrorCheck($3.line, $$.type))
+ context->recover();
+
+ if (context->nonInitConstErrorCheck($3.line, *$3.string, $$.type, false))
+ context->recover();
+
+ TVariable* variable = 0;
+ if (context->nonInitErrorCheck($3.line, *$3.string, $$.type, variable))
+ context->recover();
+ if (symbol && variable)
+ symbol->setId(variable->getUniqueId());
+ }
+ | init_declarator_list COMMA IDENTIFIER LEFT_BRACKET RIGHT_BRACKET {
+ if (context->structQualifierErrorCheck($3.line, $1.type))
+ context->recover();
+
+ if (context->nonInitConstErrorCheck($3.line, *$3.string, $1.type, true))
+ context->recover();
+
+ $$ = $1;
+
+ if (context->arrayTypeErrorCheck($4.line, $1.type) || context->arrayQualifierErrorCheck($4.line, $1.type))
+ context->recover();
+ else {
+ $1.type.setArray(true);
+ TVariable* variable;
+ if (context->arrayErrorCheck($4.line, *$3.string, $1.type, variable))
+ context->recover();
+ }
+ }
+ | init_declarator_list COMMA IDENTIFIER LEFT_BRACKET constant_expression RIGHT_BRACKET {
+ if (context->structQualifierErrorCheck($3.line, $1.type))
+ context->recover();
+
+ if (context->nonInitConstErrorCheck($3.line, *$3.string, $1.type, true))
+ context->recover();
+
+ $$ = $1;
+
+ if (context->arrayTypeErrorCheck($4.line, $1.type) || context->arrayQualifierErrorCheck($4.line, $1.type))
+ context->recover();
+ else {
+ int size;
+ if (context->arraySizeErrorCheck($4.line, $5, size))
+ context->recover();
+ $1.type.setArray(true, size);
+ TVariable* variable = 0;
+ if (context->arrayErrorCheck($4.line, *$3.string, $1.type, variable))
+ context->recover();
+ TType type = TType($1.type);
+ type.setArraySize(size);
+ $$.intermAggregate = context->intermediate.growAggregate($1.intermNode, context->intermediate.addSymbol(variable ? variable->getUniqueId() : 0, *$3.string, type, $3.line), $3.line);
+ }
+ }
+ | init_declarator_list COMMA IDENTIFIER EQUAL initializer {
+ if (context->structQualifierErrorCheck($3.line, $1.type))
+ context->recover();
+
+ $$ = $1;
+
+ TIntermNode* intermNode;
+ if (!context->executeInitializer($3.line, *$3.string, $1.type, $5, intermNode)) {
+ //
+ // build the intermediate representation
+ //
+ if (intermNode)
+ $$.intermAggregate = context->intermediate.growAggregate($1.intermNode, intermNode, $4.line);
+ else
+ $$.intermAggregate = $1.intermAggregate;
+ } else {
+ context->recover();
+ $$.intermAggregate = 0;
+ }
+ }
+ ;
+
+single_declaration
+ : fully_specified_type {
+ $$.type = $1;
+ $$.intermAggregate = context->intermediate.makeAggregate(context->intermediate.addSymbol(0, "", TType($1), $1.line), $1.line);
+ }
+ | fully_specified_type IDENTIFIER {
+ TIntermSymbol* symbol = context->intermediate.addSymbol(0, *$2.string, TType($1), $2.line);
+ $$.intermAggregate = context->intermediate.makeAggregate(symbol, $2.line);
+
+ if (context->structQualifierErrorCheck($2.line, $$.type))
+ context->recover();
+
+ if (context->nonInitConstErrorCheck($2.line, *$2.string, $$.type, false))
+ context->recover();
+
+ $$.type = $1;
+
+ TVariable* variable = 0;
+ if (context->nonInitErrorCheck($2.line, *$2.string, $$.type, variable))
+ context->recover();
+ if (variable && symbol)
+ symbol->setId(variable->getUniqueId());
+ }
+ | fully_specified_type IDENTIFIER LEFT_BRACKET RIGHT_BRACKET {
+ context->error($2.line, "unsized array declarations not supported", $2.string->c_str());
+ context->recover();
+
+ TIntermSymbol* symbol = context->intermediate.addSymbol(0, *$2.string, TType($1), $2.line);
+ $$.intermAggregate = context->intermediate.makeAggregate(symbol, $2.line);
+ $$.type = $1;
+ }
+ | fully_specified_type IDENTIFIER LEFT_BRACKET constant_expression RIGHT_BRACKET {
+ TType type = TType($1);
+ int size;
+ if (context->arraySizeErrorCheck($2.line, $4, size))
+ context->recover();
+ type.setArraySize(size);
+ TIntermSymbol* symbol = context->intermediate.addSymbol(0, *$2.string, type, $2.line);
+ $$.intermAggregate = context->intermediate.makeAggregate(symbol, $2.line);
+
+ if (context->structQualifierErrorCheck($2.line, $1))
+ context->recover();
+
+ if (context->nonInitConstErrorCheck($2.line, *$2.string, $1, true))
+ context->recover();
+
+ $$.type = $1;
+
+ if (context->arrayTypeErrorCheck($3.line, $1) || context->arrayQualifierErrorCheck($3.line, $1))
+ context->recover();
+ else {
+ int size;
+ if (context->arraySizeErrorCheck($3.line, $4, size))
+ context->recover();
+
+ $1.setArray(true, size);
+ TVariable* variable = 0;
+ if (context->arrayErrorCheck($3.line, *$2.string, $1, variable))
+ context->recover();
+ if (variable && symbol)
+ symbol->setId(variable->getUniqueId());
+ }
+ }
+ | fully_specified_type IDENTIFIER EQUAL initializer {
+ if (context->structQualifierErrorCheck($2.line, $1))
+ context->recover();
+
+ $$.type = $1;
+
+ TIntermNode* intermNode;
+ if (!context->executeInitializer($2.line, *$2.string, $1, $4, intermNode)) {
+ //
+ // Build intermediate representation
+ //
+ if(intermNode)
+ $$.intermAggregate = context->intermediate.makeAggregate(intermNode, $3.line);
+ else
+ $$.intermAggregate = 0;
+ } else {
+ context->recover();
+ $$.intermAggregate = 0;
+ }
+ }
+ | INVARIANT IDENTIFIER {
+ VERTEX_ONLY("invariant declaration", $1.line);
+ if (context->globalErrorCheck($1.line, context->symbolTable.atGlobalLevel(), "invariant varying"))
+ context->recover();
+ $$.type.setBasic(EbtInvariant, EvqInvariantVaryingOut, $2.line);
+ if (!$2.symbol)
+ {
+ context->error($2.line, "undeclared identifier declared as invariant", $2.string->c_str());
+ context->recover();
+
+ $$.intermAggregate = 0;
+ }
+ else
+ {
+ TIntermSymbol *symbol = context->intermediate.addSymbol(0, *$2.string, TType($$.type), $2.line);
+ $$.intermAggregate = context->intermediate.makeAggregate(symbol, $2.line);
+ }
+ }
+
+//
+// Place holder for the pack/unpack languages.
+//
+// | buffer_specifier {
+// $$.intermAggregate = 0;
+// }
+ ;
+
+// Grammar Note: No 'enum', or 'typedef'.
+
+//
+// Place holder for the pack/unpack languages.
+//
+//%type <interm> buffer_declaration
+//%type <interm.type> buffer_specifier input_or_output buffer_declaration_list
+//buffer_specifier
+// : input_or_output LEFT_BRACE buffer_declaration_list RIGHT_BRACE {
+// }
+// ;
+//
+//input_or_output
+// : INPUT {
+// if (context->globalErrorCheck($1.line, context->symbolTable.atGlobalLevel(), "input"))
+// context->recover();
+// UNPACK_ONLY("input", $1.line);
+// $$.qualifier = EvqInput;
+// }
+// | OUTPUT {
+// if (context->globalErrorCheck($1.line, context->symbolTable.atGlobalLevel(), "output"))
+// context->recover();
+// PACK_ONLY("output", $1.line);
+// $$.qualifier = EvqOutput;
+// }
+// ;
+
+//
+// Place holder for the pack/unpack languages.
+//
+//buffer_declaration_list
+// : buffer_declaration {
+// }
+// | buffer_declaration_list buffer_declaration {
+// }
+// ;
+
+//
+// Input/output semantics:
+// float must be 16 or 32 bits
+// float alignment restrictions?
+// check for only one input and only one output
+// sum of bitfields has to be multiple of 32
+//
+
+//
+// Place holder for the pack/unpack languages.
+//
+//buffer_declaration
+// : type_specifier IDENTIFIER COLON constant_expression SEMICOLON {
+// if (context->reservedErrorCheck($2.line, *$2.string, context))
+// context->recover();
+// $$.variable = new TVariable($2.string, $1);
+// if (! context->symbolTable.insert(*$$.variable)) {
+// context->error($2.line, "redefinition", $$.variable->getName().c_str());
+// context->recover();
+// // don't have to delete $$.variable, the pool pop will take care of it
+// }
+// }
+// ;
+
+fully_specified_type
+ : type_specifier {
+ $$ = $1;
+
+ if ($1.array) {
+ context->error($1.line, "not supported", "first-class array");
+ context->recover();
+ $1.setArray(false);
+ }
+ }
+ | type_qualifier type_specifier {
+ if ($2.array) {
+ context->error($2.line, "not supported", "first-class array");
+ context->recover();
+ $2.setArray(false);
+ }
+
+ if ($1.qualifier == EvqAttribute &&
+ ($2.type == EbtBool || $2.type == EbtInt)) {
+ context->error($2.line, "cannot be bool or int", getQualifierString($1.qualifier));
+ context->recover();
+ }
+ if (($1.qualifier == EvqVaryingIn || $1.qualifier == EvqVaryingOut) &&
+ ($2.type == EbtBool || $2.type == EbtInt)) {
+ context->error($2.line, "cannot be bool or int", getQualifierString($1.qualifier));
+ context->recover();
+ }
+ $$ = $2;
+ $$.qualifier = $1.qualifier;
+ }
+ ;
+
+type_qualifier
+ : CONST_QUAL {
+ $$.setBasic(EbtVoid, EvqConst, $1.line);
+ }
+ | ATTRIBUTE {
+ VERTEX_ONLY("attribute", $1.line);
+ if (context->globalErrorCheck($1.line, context->symbolTable.atGlobalLevel(), "attribute"))
+ context->recover();
+ $$.setBasic(EbtVoid, EvqAttribute, $1.line);
+ }
+ | VARYING {
+ if (context->globalErrorCheck($1.line, context->symbolTable.atGlobalLevel(), "varying"))
+ context->recover();
+ if (context->shaderType == SH_VERTEX_SHADER)
+ $$.setBasic(EbtVoid, EvqVaryingOut, $1.line);
+ else
+ $$.setBasic(EbtVoid, EvqVaryingIn, $1.line);
+ }
+ | INVARIANT VARYING {
+ if (context->globalErrorCheck($1.line, context->symbolTable.atGlobalLevel(), "invariant varying"))
+ context->recover();
+ if (context->shaderType == SH_VERTEX_SHADER)
+ $$.setBasic(EbtVoid, EvqInvariantVaryingOut, $1.line);
+ else
+ $$.setBasic(EbtVoid, EvqInvariantVaryingIn, $1.line);
+ }
+ | UNIFORM {
+ if (context->globalErrorCheck($1.line, context->symbolTable.atGlobalLevel(), "uniform"))
+ context->recover();
+ $$.setBasic(EbtVoid, EvqUniform, $1.line);
+ }
+ ;
+
+type_specifier
+ : type_specifier_no_prec {
+ $$ = $1;
+
+ if ($$.precision == EbpUndefined) {
+ $$.precision = context->symbolTable.getDefaultPrecision($1.type);
+ if (context->precisionErrorCheck($1.line, $$.precision, $1.type)) {
+ context->recover();
+ }
+ }
+ }
+ | precision_qualifier type_specifier_no_prec {
+ $$ = $2;
+ $$.precision = $1;
+ }
+ ;
+
+precision_qualifier
+ : HIGH_PRECISION {
+ $$ = EbpHigh;
+ }
+ | MEDIUM_PRECISION {
+ $$ = EbpMedium;
+ }
+ | LOW_PRECISION {
+ $$ = EbpLow;
+ }
+ ;
+
+type_specifier_no_prec
+ : type_specifier_nonarray {
+ $$ = $1;
+ }
+ | type_specifier_nonarray LEFT_BRACKET constant_expression RIGHT_BRACKET {
+ $$ = $1;
+
+ if (context->arrayTypeErrorCheck($2.line, $1))
+ context->recover();
+ else {
+ int size;
+ if (context->arraySizeErrorCheck($2.line, $3, size))
+ context->recover();
+ $$.setArray(true, size);
+ }
+ }
+ ;
+
+type_specifier_nonarray
+ : VOID_TYPE {
+ TQualifier qual = context->symbolTable.atGlobalLevel() ? EvqGlobal : EvqTemporary;
+ $$.setBasic(EbtVoid, qual, $1.line);
+ }
+ | FLOAT_TYPE {
+ TQualifier qual = context->symbolTable.atGlobalLevel() ? EvqGlobal : EvqTemporary;
+ $$.setBasic(EbtFloat, qual, $1.line);
+ }
+ | INT_TYPE {
+ TQualifier qual = context->symbolTable.atGlobalLevel() ? EvqGlobal : EvqTemporary;
+ $$.setBasic(EbtInt, qual, $1.line);
+ }
+ | BOOL_TYPE {
+ TQualifier qual = context->symbolTable.atGlobalLevel() ? EvqGlobal : EvqTemporary;
+ $$.setBasic(EbtBool, qual, $1.line);
+ }
+// | UNSIGNED INT_TYPE {
+// PACK_UNPACK_ONLY("unsigned", $1.line);
+// TQualifier qual = context->symbolTable.atGlobalLevel() ? EvqGlobal : EvqTemporary;
+// $$.setBasic(EbtInt, qual, $1.line);
+// }
+ | VEC2 {
+ TQualifier qual = context->symbolTable.atGlobalLevel() ? EvqGlobal : EvqTemporary;
+ $$.setBasic(EbtFloat, qual, $1.line);
+ $$.setAggregate(2);
+ }
+ | VEC3 {
+ TQualifier qual = context->symbolTable.atGlobalLevel() ? EvqGlobal : EvqTemporary;
+ $$.setBasic(EbtFloat, qual, $1.line);
+ $$.setAggregate(3);
+ }
+ | VEC4 {
+ TQualifier qual = context->symbolTable.atGlobalLevel() ? EvqGlobal : EvqTemporary;
+ $$.setBasic(EbtFloat, qual, $1.line);
+ $$.setAggregate(4);
+ }
+ | BVEC2 {
+ TQualifier qual = context->symbolTable.atGlobalLevel() ? EvqGlobal : EvqTemporary;
+ $$.setBasic(EbtBool, qual, $1.line);
+ $$.setAggregate(2);
+ }
+ | BVEC3 {
+ TQualifier qual = context->symbolTable.atGlobalLevel() ? EvqGlobal : EvqTemporary;
+ $$.setBasic(EbtBool, qual, $1.line);
+ $$.setAggregate(3);
+ }
+ | BVEC4 {
+ TQualifier qual = context->symbolTable.atGlobalLevel() ? EvqGlobal : EvqTemporary;
+ $$.setBasic(EbtBool, qual, $1.line);
+ $$.setAggregate(4);
+ }
+ | IVEC2 {
+ TQualifier qual = context->symbolTable.atGlobalLevel() ? EvqGlobal : EvqTemporary;
+ $$.setBasic(EbtInt, qual, $1.line);
+ $$.setAggregate(2);
+ }
+ | IVEC3 {
+ TQualifier qual = context->symbolTable.atGlobalLevel() ? EvqGlobal : EvqTemporary;
+ $$.setBasic(EbtInt, qual, $1.line);
+ $$.setAggregate(3);
+ }
+ | IVEC4 {
+ TQualifier qual = context->symbolTable.atGlobalLevel() ? EvqGlobal : EvqTemporary;
+ $$.setBasic(EbtInt, qual, $1.line);
+ $$.setAggregate(4);
+ }
+ | MATRIX2 {
+ FRAG_VERT_ONLY("mat2", $1.line);
+ TQualifier qual = context->symbolTable.atGlobalLevel() ? EvqGlobal : EvqTemporary;
+ $$.setBasic(EbtFloat, qual, $1.line);
+ $$.setAggregate(2, true);
+ }
+ | MATRIX3 {
+ FRAG_VERT_ONLY("mat3", $1.line);
+ TQualifier qual = context->symbolTable.atGlobalLevel() ? EvqGlobal : EvqTemporary;
+ $$.setBasic(EbtFloat, qual, $1.line);
+ $$.setAggregate(3, true);
+ }
+ | MATRIX4 {
+ FRAG_VERT_ONLY("mat4", $1.line);
+ TQualifier qual = context->symbolTable.atGlobalLevel() ? EvqGlobal : EvqTemporary;
+ $$.setBasic(EbtFloat, qual, $1.line);
+ $$.setAggregate(4, true);
+ }
+ | SAMPLER2D {
+ FRAG_VERT_ONLY("sampler2D", $1.line);
+ TQualifier qual = context->symbolTable.atGlobalLevel() ? EvqGlobal : EvqTemporary;
+ $$.setBasic(EbtSampler2D, qual, $1.line);
+ }
+ | SAMPLERCUBE {
+ FRAG_VERT_ONLY("samplerCube", $1.line);
+ TQualifier qual = context->symbolTable.atGlobalLevel() ? EvqGlobal : EvqTemporary;
+ $$.setBasic(EbtSamplerCube, qual, $1.line);
+ }
+ | struct_specifier {
+ FRAG_VERT_ONLY("struct", $1.line);
+ $$ = $1;
+ $$.qualifier = context->symbolTable.atGlobalLevel() ? EvqGlobal : EvqTemporary;
+ }
+ | TYPE_NAME {
+ //
+ // This is for user defined type names. The lexical phase looked up the
+ // type.
+ //
+ TType& structure = static_cast<TVariable*>($1.symbol)->getType();
+ TQualifier qual = context->symbolTable.atGlobalLevel() ? EvqGlobal : EvqTemporary;
+ $$.setBasic(EbtStruct, qual, $1.line);
+ $$.userDef = &structure;
+ }
+ ;
+
+struct_specifier
+ : STRUCT IDENTIFIER LEFT_BRACE { if (context->enterStructDeclaration($2.line, *$2.string)) context->recover(); } struct_declaration_list RIGHT_BRACE {
+ if (context->reservedErrorCheck($2.line, *$2.string))
+ context->recover();
+
+ TType* structure = new TType($5, *$2.string);
+ TVariable* userTypeDef = new TVariable($2.string, *structure, true);
+ if (! context->symbolTable.insert(*userTypeDef)) {
+ context->error($2.line, "redefinition", $2.string->c_str(), "struct");
+ context->recover();
+ }
+ $$.setBasic(EbtStruct, EvqTemporary, $1.line);
+ $$.userDef = structure;
+ context->exitStructDeclaration();
+ }
+ | STRUCT LEFT_BRACE { if (context->enterStructDeclaration($2.line, *$2.string)) context->recover(); } struct_declaration_list RIGHT_BRACE {
+ TType* structure = new TType($4, TString(""));
+ $$.setBasic(EbtStruct, EvqTemporary, $1.line);
+ $$.userDef = structure;
+ context->exitStructDeclaration();
+ }
+ ;
+
+struct_declaration_list
+ : struct_declaration {
+ $$ = $1;
+ }
+ | struct_declaration_list struct_declaration {
+ $$ = $1;
+ for (unsigned int i = 0; i < $2->size(); ++i) {
+ for (unsigned int j = 0; j < $$->size(); ++j) {
+ if ((*$$)[j].type->getFieldName() == (*$2)[i].type->getFieldName()) {
+ context->error((*$2)[i].line, "duplicate field name in structure:", "struct", (*$2)[i].type->getFieldName().c_str());
+ context->recover();
+ }
+ }
+ $$->push_back((*$2)[i]);
+ }
+ }
+ ;
+
+struct_declaration
+ : type_specifier struct_declarator_list SEMICOLON {
+ $$ = $2;
+
+ if (context->voidErrorCheck($1.line, (*$2)[0].type->getFieldName(), $1)) {
+ context->recover();
+ }
+ for (unsigned int i = 0; i < $$->size(); ++i) {
+ //
+ // Careful not to replace already known aspects of type, like array-ness
+ //
+ TType* type = (*$$)[i].type;
+ type->setBasicType($1.type);
+ type->setNominalSize($1.size);
+ type->setMatrix($1.matrix);
+ type->setPrecision($1.precision);
+
+ // don't allow arrays of arrays
+ if (type->isArray()) {
+ if (context->arrayTypeErrorCheck($1.line, $1))
+ context->recover();
+ }
+ if ($1.array)
+ type->setArraySize($1.arraySize);
+ if ($1.userDef) {
+ type->setStruct($1.userDef->getStruct());
+ type->setTypeName($1.userDef->getTypeName());
+ }
+
+ if (context->structNestingErrorCheck($1.line, *type)) {
+ context->recover();
+ }
+ }
+ }
+ ;
+
+struct_declarator_list
+ : struct_declarator {
+ $$ = NewPoolTTypeList();
+ $$->push_back($1);
+ }
+ | struct_declarator_list COMMA struct_declarator {
+ $$->push_back($3);
+ }
+ ;
+
+struct_declarator
+ : IDENTIFIER {
+ if (context->reservedErrorCheck($1.line, *$1.string))
+ context->recover();
+
+ $$.type = new TType(EbtVoid, EbpUndefined);
+ $$.line = $1.line;
+ $$.type->setFieldName(*$1.string);
+ }
+ | IDENTIFIER LEFT_BRACKET constant_expression RIGHT_BRACKET {
+ if (context->reservedErrorCheck($1.line, *$1.string))
+ context->recover();
+
+ $$.type = new TType(EbtVoid, EbpUndefined);
+ $$.line = $1.line;
+ $$.type->setFieldName(*$1.string);
+
+ int size;
+ if (context->arraySizeErrorCheck($2.line, $3, size))
+ context->recover();
+ $$.type->setArraySize(size);
+ }
+ ;
+
+initializer
+ : assignment_expression { $$ = $1; }
+ ;
+
+declaration_statement
+ : declaration { $$ = $1; }
+ ;
+
+statement
+ : compound_statement { $$ = $1; }
+ | simple_statement { $$ = $1; }
+ ;
+
+// Grammar Note: No labeled statements; 'goto' is not supported.
+
+simple_statement
+ : declaration_statement { $$ = $1; }
+ | expression_statement { $$ = $1; }
+ | selection_statement { $$ = $1; }
+ | iteration_statement { $$ = $1; }
+ | jump_statement { $$ = $1; }
+ ;
+
+compound_statement
+ : LEFT_BRACE RIGHT_BRACE { $$ = 0; }
+ | LEFT_BRACE { context->symbolTable.push(); } statement_list { context->symbolTable.pop(); } RIGHT_BRACE {
+ if ($3 != 0) {
+ $3->setOp(EOpSequence);
+ $3->setEndLine($5.line);
+ }
+ $$ = $3;
+ }
+ ;
+
+statement_no_new_scope
+ : compound_statement_no_new_scope { $$ = $1; }
+ | simple_statement { $$ = $1; }
+ ;
+
+statement_with_scope
+ : { context->symbolTable.push(); } compound_statement_no_new_scope { context->symbolTable.pop(); $$ = $2; }
+ | { context->symbolTable.push(); } simple_statement { context->symbolTable.pop(); $$ = $2; }
+ ;
+
+compound_statement_no_new_scope
+ // Statement that doesn't create a new scope, for selection_statement, iteration_statement
+ : LEFT_BRACE RIGHT_BRACE {
+ $$ = 0;
+ }
+ | LEFT_BRACE statement_list RIGHT_BRACE {
+ if ($2) {
+ $2->setOp(EOpSequence);
+ $2->setEndLine($3.line);
+ }
+ $$ = $2;
+ }
+ ;
+
+statement_list
+ : statement {
+ $$ = context->intermediate.makeAggregate($1, 0);
+ }
+ | statement_list statement {
+ $$ = context->intermediate.growAggregate($1, $2, 0);
+ }
+ ;
+
+expression_statement
+ : SEMICOLON { $$ = 0; }
+ | expression SEMICOLON { $$ = static_cast<TIntermNode*>($1); }
+ ;
+
+selection_statement
+ : IF LEFT_PAREN expression RIGHT_PAREN selection_rest_statement {
+ if (context->boolErrorCheck($1.line, $3))
+ context->recover();
+ $$ = context->intermediate.addSelection($3, $5, $1.line);
+ }
+ ;
+
+selection_rest_statement
+ : statement_with_scope ELSE statement_with_scope {
+ $$.node1 = $1;
+ $$.node2 = $3;
+ }
+ | statement_with_scope {
+ $$.node1 = $1;
+ $$.node2 = 0;
+ }
+ ;
+
+// Grammar Note: No 'switch'. Switch statements not supported.
+
+condition
+ // In 1996 c++ draft, conditions can include single declarations
+ : expression {
+ $$ = $1;
+ if (context->boolErrorCheck($1->getLine(), $1))
+ context->recover();
+ }
+ | fully_specified_type IDENTIFIER EQUAL initializer {
+ TIntermNode* intermNode;
+ if (context->structQualifierErrorCheck($2.line, $1))
+ context->recover();
+ if (context->boolErrorCheck($2.line, $1))
+ context->recover();
+
+ if (!context->executeInitializer($2.line, *$2.string, $1, $4, intermNode))
+ $$ = $4;
+ else {
+ context->recover();
+ $$ = 0;
+ }
+ }
+ ;
+
+iteration_statement
+ : WHILE LEFT_PAREN { context->symbolTable.push(); ++context->loopNestingLevel; } condition RIGHT_PAREN statement_no_new_scope {
+ context->symbolTable.pop();
+ $$ = context->intermediate.addLoop(ELoopWhile, 0, $4, 0, $6, $1.line);
+ --context->loopNestingLevel;
+ }
+ | DO { ++context->loopNestingLevel; } statement_with_scope WHILE LEFT_PAREN expression RIGHT_PAREN SEMICOLON {
+ if (context->boolErrorCheck($8.line, $6))
+ context->recover();
+
+ $$ = context->intermediate.addLoop(ELoopDoWhile, 0, $6, 0, $3, $4.line);
+ --context->loopNestingLevel;
+ }
+ | FOR LEFT_PAREN { context->symbolTable.push(); ++context->loopNestingLevel; } for_init_statement for_rest_statement RIGHT_PAREN statement_no_new_scope {
+ context->symbolTable.pop();
+ $$ = context->intermediate.addLoop(ELoopFor, $4, reinterpret_cast<TIntermTyped*>($5.node1), reinterpret_cast<TIntermTyped*>($5.node2), $7, $1.line);
+ --context->loopNestingLevel;
+ }
+ ;
+
+for_init_statement
+ : expression_statement {
+ $$ = $1;
+ }
+ | declaration_statement {
+ $$ = $1;
+ }
+ ;
+
+conditionopt
+ : condition {
+ $$ = $1;
+ }
+ | /* May be null */ {
+ $$ = 0;
+ }
+ ;
+
+for_rest_statement
+ : conditionopt SEMICOLON {
+ $$.node1 = $1;
+ $$.node2 = 0;
+ }
+ | conditionopt SEMICOLON expression {
+ $$.node1 = $1;
+ $$.node2 = $3;
+ }
+ ;
+
+jump_statement
+ : CONTINUE SEMICOLON {
+ if (context->loopNestingLevel <= 0) {
+ context->error($1.line, "continue statement only allowed in loops", "");
+ context->recover();
+ }
+ $$ = context->intermediate.addBranch(EOpContinue, $1.line);
+ }
+ | BREAK SEMICOLON {
+ if (context->loopNestingLevel <= 0) {
+ context->error($1.line, "break statement only allowed in loops", "");
+ context->recover();
+ }
+ $$ = context->intermediate.addBranch(EOpBreak, $1.line);
+ }
+ | RETURN SEMICOLON {
+ $$ = context->intermediate.addBranch(EOpReturn, $1.line);
+ if (context->currentFunctionType->getBasicType() != EbtVoid) {
+ context->error($1.line, "non-void function must return a value", "return");
+ context->recover();
+ }
+ }
+ | RETURN expression SEMICOLON {
+ $$ = context->intermediate.addBranch(EOpReturn, $2, $1.line);
+ context->functionReturnsValue = true;
+ if (context->currentFunctionType->getBasicType() == EbtVoid) {
+ context->error($1.line, "void function cannot return a value", "return");
+ context->recover();
+ } else if (*(context->currentFunctionType) != $2->getType()) {
+ context->error($1.line, "function return is not matching type:", "return");
+ context->recover();
+ }
+ }
+ | DISCARD SEMICOLON {
+ FRAG_ONLY("discard", $1.line);
+ $$ = context->intermediate.addBranch(EOpKill, $1.line);
+ }
+ ;
+
+// Grammar Note: No 'goto'. Gotos are not supported.
+
+translation_unit
+ : external_declaration {
+ $$ = $1;
+ context->treeRoot = $$;
+ }
+ | translation_unit external_declaration {
+ $$ = context->intermediate.growAggregate($1, $2, 0);
+ context->treeRoot = $$;
+ }
+ ;
+
+external_declaration
+ : function_definition {
+ $$ = $1;
+ }
+ | declaration {
+ $$ = $1;
+ }
+ ;
+
+function_definition
+ : function_prototype {
+ TFunction* function = $1.function;
+
+ const TSymbol *builtIn = context->symbolTable.findBuiltIn(function->getMangledName());
+
+ if (builtIn)
+ {
+ context->error($1.line, "built-in functions cannot be redefined", function->getName().c_str());
+ context->recover();
+ }
+
+ TFunction* prevDec = static_cast<TFunction*>(context->symbolTable.find(function->getMangledName()));
+ //
+ // Note: 'prevDec' could be 'function' if this is the first time we've seen function
+ // as it would have just been put in the symbol table. Otherwise, we're looking up
+ // an earlier occurance.
+ //
+ if (prevDec->isDefined()) {
+ //
+ // Then this function already has a body.
+ //
+ context->error($1.line, "function already has a body", function->getName().c_str());
+ context->recover();
+ }
+ prevDec->setDefined();
+
+ //
+ // Raise error message if main function takes any parameters or return anything other than void
+ //
+ if (function->getName() == "main") {
+ if (function->getParamCount() > 0) {
+ context->error($1.line, "function cannot take any parameter(s)", function->getName().c_str());
+ context->recover();
+ }
+ if (function->getReturnType().getBasicType() != EbtVoid) {
+ context->error($1.line, "", function->getReturnType().getBasicString(), "main function cannot return a value");
+ context->recover();
+ }
+ }
+
+ //
+ // Remember the return type for later checking for RETURN statements.
+ //
+ context->currentFunctionType = &(prevDec->getReturnType());
+ context->functionReturnsValue = false;
+
+ //
+ // Insert parameters into the symbol table.
+ // If the parameter has no name, it's not an error, just don't insert it
+ // (could be used for unused args).
+ //
+ // Also, accumulate the list of parameters into the HIL, so lower level code
+ // knows where to find parameters.
+ //
+ TIntermAggregate* paramNodes = new TIntermAggregate;
+ for (int i = 0; i < function->getParamCount(); i++) {
+ const TParameter& param = function->getParam(i);
+ if (param.name != 0) {
+ TVariable *variable = new TVariable(param.name, *param.type);
+ //
+ // Insert the parameters with name in the symbol table.
+ //
+ if (! context->symbolTable.insert(*variable)) {
+ context->error($1.line, "redefinition", variable->getName().c_str());
+ context->recover();
+ delete variable;
+ }
+
+ //
+ // Add the parameter to the HIL
+ //
+ paramNodes = context->intermediate.growAggregate(
+ paramNodes,
+ context->intermediate.addSymbol(variable->getUniqueId(),
+ variable->getName(),
+ variable->getType(), $1.line),
+ $1.line);
+ } else {
+ paramNodes = context->intermediate.growAggregate(paramNodes, context->intermediate.addSymbol(0, "", *param.type, $1.line), $1.line);
+ }
+ }
+ context->intermediate.setAggregateOperator(paramNodes, EOpParameters, $1.line);
+ $1.intermAggregate = paramNodes;
+ context->loopNestingLevel = 0;
+ }
+ compound_statement_no_new_scope {
+ //?? Check that all paths return a value if return type != void ?
+ // May be best done as post process phase on intermediate code
+ if (context->currentFunctionType->getBasicType() != EbtVoid && ! context->functionReturnsValue) {
+ context->error($1.line, "function does not return a value:", "", $1.function->getName().c_str());
+ context->recover();
+ }
+
+ $$ = context->intermediate.growAggregate($1.intermAggregate, $3, 0);
+ context->intermediate.setAggregateOperator($$, EOpFunction, $1.line);
+ $$->getAsAggregate()->setName($1.function->getMangledName().c_str());
+ $$->getAsAggregate()->setType($1.function->getReturnType());
+
+ // store the pragma information for debug and optimize and other vendor specific
+ // information. This information can be queried from the parse tree
+ $$->getAsAggregate()->setOptimize(context->pragma().optimize);
+ $$->getAsAggregate()->setDebug(context->pragma().debug);
+
+ if ($3 && $3->getAsAggregate())
+ $$->getAsAggregate()->setEndLine($3->getAsAggregate()->getEndLine());
+
+ context->symbolTable.pop();
+ }
+ ;
+
+%%
+
+int glslang_parse(TParseContext* context) {
+ return yyparse(context);
+}
+
diff --git a/src/GLES2/compiler/glslang_lex.cpp b/src/GLES2/compiler/glslang_lex.cpp
new file mode 100644
index 0000000..e2c8a9e
--- /dev/null
+++ b/src/GLES2/compiler/glslang_lex.cpp
@@ -0,0 +1,3029 @@
+#line 17 "./glslang.l"
+//
+// Copyright (c) 2012 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+// This file is auto-generated by generate_parser.sh. DO NOT EDIT!
+
+// Ignore errors in auto-generated code.
+#if defined(__GNUC__)
+#pragma GCC diagnostic ignored "-Wunused-function"
+#pragma GCC diagnostic ignored "-Wunused-variable"
+#pragma GCC diagnostic ignored "-Wswitch-enum"
+#elif defined(_MSC_VER)
+#pragma warning(disable: 4065)
+#pragma warning(disable: 4189)
+#pragma warning(disable: 4505)
+#pragma warning(disable: 4701)
+#endif
+
+
+
+#line 25 "./glslang_lex.cpp"
+
+#define YY_INT_ALIGNED short int
+
+/* A lexical scanner generated by flex */
+
+#define FLEX_SCANNER
+#define YY_FLEX_MAJOR_VERSION 2
+#define YY_FLEX_MINOR_VERSION 5
+#define YY_FLEX_SUBMINOR_VERSION 35
+#if YY_FLEX_SUBMINOR_VERSION > 0
+#define FLEX_BETA
+#endif
+
+/* First, we deal with platform-specific or compiler-specific issues. */
+
+/* begin standard C headers. */
+#include <stdio.h>
+#include <string.h>
+#include <errno.h>
+#include <stdlib.h>
+
+/* end standard C headers. */
+
+/* flex integer type definitions */
+
+#ifndef FLEXINT_H
+#define FLEXINT_H
+
+/* C99 systems have <inttypes.h>. Non-C99 systems may or may not. */
+
+#if defined (__STDC_VERSION__) && __STDC_VERSION__ >= 199901L
+
+/* C99 says to define __STDC_LIMIT_MACROS before including stdint.h,
+ * if you want the limit (max/min) macros for int types.
+ */
+#ifndef __STDC_LIMIT_MACROS
+#define __STDC_LIMIT_MACROS 1
+#endif
+
+#include <inttypes.h>
+typedef int8_t flex_int8_t;
+typedef uint8_t flex_uint8_t;
+typedef int16_t flex_int16_t;
+typedef uint16_t flex_uint16_t;
+typedef int32_t flex_int32_t;
+typedef uint32_t flex_uint32_t;
+#else
+typedef signed char flex_int8_t;
+typedef short int flex_int16_t;
+typedef int flex_int32_t;
+typedef unsigned char flex_uint8_t;
+typedef unsigned short int flex_uint16_t;
+typedef unsigned int flex_uint32_t;
+#endif /* ! C99 */
+
+/* Limits of integral types. */
+#ifndef INT8_MIN
+#define INT8_MIN (-128)
+#endif
+#ifndef INT16_MIN
+#define INT16_MIN (-32767-1)
+#endif
+#ifndef INT32_MIN
+#define INT32_MIN (-2147483647-1)
+#endif
+#ifndef INT8_MAX
+#define INT8_MAX (127)
+#endif
+#ifndef INT16_MAX
+#define INT16_MAX (32767)
+#endif
+#ifndef INT32_MAX
+#define INT32_MAX (2147483647)
+#endif
+#ifndef UINT8_MAX
+#define UINT8_MAX (255U)
+#endif
+#ifndef UINT16_MAX
+#define UINT16_MAX (65535U)
+#endif
+#ifndef UINT32_MAX
+#define UINT32_MAX (4294967295U)
+#endif
+
+#endif /* ! FLEXINT_H */
+
+#ifdef __cplusplus
+
+/* The "const" storage-class-modifier is valid. */
+#define YY_USE_CONST
+
+#else /* ! __cplusplus */
+
+/* C99 requires __STDC__ to be defined as 1. */
+#if defined (__STDC__)
+
+#define YY_USE_CONST
+
+#endif /* defined (__STDC__) */
+#endif /* ! __cplusplus */
+
+#ifdef YY_USE_CONST
+#define yyconst const
+#else
+#define yyconst
+#endif
+
+/* Returned upon end-of-file. */
+#define YY_NULL 0
+
+/* Promotes a possibly negative, possibly signed char to an unsigned
+ * integer for use as an array index. If the signed char is negative,
+ * we want to instead treat it as an 8-bit unsigned char, hence the
+ * double cast.
+ */
+#define YY_SC_TO_UI(c) ((unsigned int) (unsigned char) c)
+
+/* An opaque pointer. */
+#ifndef YY_TYPEDEF_YY_SCANNER_T
+#define YY_TYPEDEF_YY_SCANNER_T
+typedef void* yyscan_t;
+#endif
+
+/* For convenience, these vars (plus the bison vars far below)
+ are macros in the reentrant scanner. */
+#define yyin yyg->yyin_r
+#define yyout yyg->yyout_r
+#define yyextra yyg->yyextra_r
+#define yyleng yyg->yyleng_r
+#define yytext yyg->yytext_r
+#define yylineno (YY_CURRENT_BUFFER_LVALUE->yy_bs_lineno)
+#define yycolumn (YY_CURRENT_BUFFER_LVALUE->yy_bs_column)
+#define yy_flex_debug yyg->yy_flex_debug_r
+
+/* Enter a start condition. This macro really ought to take a parameter,
+ * but we do it the disgusting crufty way forced on us by the ()-less
+ * definition of BEGIN.
+ */
+#define BEGIN yyg->yy_start = 1 + 2 *
+
+/* Translate the current start state into a value that can be later handed
+ * to BEGIN to return to the state. The YYSTATE alias is for lex
+ * compatibility.
+ */
+#define YY_START ((yyg->yy_start - 1) / 2)
+#define YYSTATE YY_START
+
+/* Action number for EOF rule of a given start state. */
+#define YY_STATE_EOF(state) (YY_END_OF_BUFFER + state + 1)
+
+/* Special action meaning "start processing a new file". */
+#define YY_NEW_FILE yyrestart(yyin ,yyscanner )
+
+#define YY_END_OF_BUFFER_CHAR 0
+
+/* Size of default input buffer. */
+#ifndef YY_BUF_SIZE
+#define YY_BUF_SIZE 16384
+#endif
+
+/* The state buf must be large enough to hold one state per character in the main buffer.
+ */
+#define YY_STATE_BUF_SIZE ((YY_BUF_SIZE + 2) * sizeof(yy_state_type))
+
+#ifndef YY_TYPEDEF_YY_BUFFER_STATE
+#define YY_TYPEDEF_YY_BUFFER_STATE
+typedef struct yy_buffer_state *YY_BUFFER_STATE;
+#endif
+
+#define EOB_ACT_CONTINUE_SCAN 0
+#define EOB_ACT_END_OF_FILE 1
+#define EOB_ACT_LAST_MATCH 2
+
+ /* Note: We specifically omit the test for yy_rule_can_match_eol because it requires
+ * access to the local variable yy_act. Since yyless() is a macro, it would break
+ * existing scanners that call yyless() from OUTSIDE yylex.
+ * One obvious solution it to make yy_act a global. I tried that, and saw
+ * a 5% performance hit in a non-yylineno scanner, because yy_act is
+ * normally declared as a register variable-- so it is not worth it.
+ */
+ #define YY_LESS_LINENO(n) \
+ do { \
+ int yyl;\
+ for ( yyl = n; yyl < yyleng; ++yyl )\
+ if ( yytext[yyl] == '\n' )\
+ --yylineno;\
+ }while(0)
+
+/* Return all but the first "n" matched characters back to the input stream. */
+#define yyless(n) \
+ do \
+ { \
+ /* Undo effects of setting up yytext. */ \
+ int yyless_macro_arg = (n); \
+ YY_LESS_LINENO(yyless_macro_arg);\
+ *yy_cp = yyg->yy_hold_char; \
+ YY_RESTORE_YY_MORE_OFFSET \
+ yyg->yy_c_buf_p = yy_cp = yy_bp + yyless_macro_arg - YY_MORE_ADJ; \
+ YY_DO_BEFORE_ACTION; /* set up yytext again */ \
+ } \
+ while ( 0 )
+
+#define unput(c) yyunput( c, yyg->yytext_ptr , yyscanner )
+
+#ifndef YY_TYPEDEF_YY_SIZE_T
+#define YY_TYPEDEF_YY_SIZE_T
+typedef size_t yy_size_t;
+#endif
+
+#ifndef YY_STRUCT_YY_BUFFER_STATE
+#define YY_STRUCT_YY_BUFFER_STATE
+struct yy_buffer_state
+ {
+ FILE *yy_input_file;
+
+ char *yy_ch_buf; /* input buffer */
+ char *yy_buf_pos; /* current position in input buffer */
+
+ /* Size of input buffer in bytes, not including room for EOB
+ * characters.
+ */
+ yy_size_t yy_buf_size;
+
+ /* Number of characters read into yy_ch_buf, not including EOB
+ * characters.
+ */
+ int yy_n_chars;
+
+ /* Whether we "own" the buffer - i.e., we know we created it,
+ * and can realloc() it to grow it, and should free() it to
+ * delete it.
+ */
+ int yy_is_our_buffer;
+
+ /* Whether this is an "interactive" input source; if so, and
+ * if we're using stdio for input, then we want to use getc()
+ * instead of fread(), to make sure we stop fetching input after
+ * each newline.
+ */
+ int yy_is_interactive;
+
+ /* Whether we're considered to be at the beginning of a line.
+ * If so, '^' rules will be active on the next match, otherwise
+ * not.
+ */
+ int yy_at_bol;
+
+ int yy_bs_lineno; /**< The line count. */
+ int yy_bs_column; /**< The column count. */
+
+ /* Whether to try to fill the input buffer when we reach the
+ * end of it.
+ */
+ int yy_fill_buffer;
+
+ int yy_buffer_status;
+
+#define YY_BUFFER_NEW 0
+#define YY_BUFFER_NORMAL 1
+ /* When an EOF's been seen but there's still some text to process
+ * then we mark the buffer as YY_EOF_PENDING, to indicate that we
+ * shouldn't try reading from the input source any more. We might
+ * still have a bunch of tokens to match, though, because of
+ * possible backing-up.
+ *
+ * When we actually see the EOF, we change the status to "new"
+ * (via yyrestart()), so that the user can continue scanning by
+ * just pointing yyin at a new input file.
+ */
+#define YY_BUFFER_EOF_PENDING 2
+
+ };
+#endif /* !YY_STRUCT_YY_BUFFER_STATE */
+
+/* We provide macros for accessing buffer states in case in the
+ * future we want to put the buffer states in a more general
+ * "scanner state".
+ *
+ * Returns the top of the stack, or NULL.
+ */
+#define YY_CURRENT_BUFFER ( yyg->yy_buffer_stack \
+ ? yyg->yy_buffer_stack[yyg->yy_buffer_stack_top] \
+ : NULL)
+
+/* Same as previous macro, but useful when we know that the buffer stack is not
+ * NULL or when we need an lvalue. For internal use only.
+ */
+#define YY_CURRENT_BUFFER_LVALUE yyg->yy_buffer_stack[yyg->yy_buffer_stack_top]
+
+void yyrestart (FILE *input_file ,yyscan_t yyscanner );
+void yy_switch_to_buffer (YY_BUFFER_STATE new_buffer ,yyscan_t yyscanner );
+YY_BUFFER_STATE yy_create_buffer (FILE *file,int size ,yyscan_t yyscanner );
+void yy_delete_buffer (YY_BUFFER_STATE b ,yyscan_t yyscanner );
+void yy_flush_buffer (YY_BUFFER_STATE b ,yyscan_t yyscanner );
+void yypush_buffer_state (YY_BUFFER_STATE new_buffer ,yyscan_t yyscanner );
+void yypop_buffer_state (yyscan_t yyscanner );
+
+static void yyensure_buffer_stack (yyscan_t yyscanner );
+static void yy_load_buffer_state (yyscan_t yyscanner );
+static void yy_init_buffer (YY_BUFFER_STATE b,FILE *file ,yyscan_t yyscanner );
+
+#define YY_FLUSH_BUFFER yy_flush_buffer(YY_CURRENT_BUFFER ,yyscanner)
+
+YY_BUFFER_STATE yy_scan_buffer (char *base,yy_size_t size ,yyscan_t yyscanner );
+YY_BUFFER_STATE yy_scan_string (yyconst char *yy_str ,yyscan_t yyscanner );
+YY_BUFFER_STATE yy_scan_bytes (yyconst char *bytes,int len ,yyscan_t yyscanner );
+
+void *yyalloc (yy_size_t ,yyscan_t yyscanner );
+void *yyrealloc (void *,yy_size_t ,yyscan_t yyscanner );
+void yyfree (void * ,yyscan_t yyscanner );
+
+#define yy_new_buffer yy_create_buffer
+
+#define yy_set_interactive(is_interactive) \
+ { \
+ if ( ! YY_CURRENT_BUFFER ){ \
+ yyensure_buffer_stack (yyscanner); \
+ YY_CURRENT_BUFFER_LVALUE = \
+ yy_create_buffer(yyin,YY_BUF_SIZE ,yyscanner); \
+ } \
+ YY_CURRENT_BUFFER_LVALUE->yy_is_interactive = is_interactive; \
+ }
+
+#define yy_set_bol(at_bol) \
+ { \
+ if ( ! YY_CURRENT_BUFFER ){\
+ yyensure_buffer_stack (yyscanner); \
+ YY_CURRENT_BUFFER_LVALUE = \
+ yy_create_buffer(yyin,YY_BUF_SIZE ,yyscanner); \
+ } \
+ YY_CURRENT_BUFFER_LVALUE->yy_at_bol = at_bol; \
+ }
+
+#define YY_AT_BOL() (YY_CURRENT_BUFFER_LVALUE->yy_at_bol)
+
+/* Begin user sect3 */
+
+#define yywrap(n) 1
+#define YY_SKIP_YYWRAP
+
+typedef unsigned char YY_CHAR;
+
+typedef int yy_state_type;
+
+#define yytext_ptr yytext_r
+
+static yy_state_type yy_get_previous_state (yyscan_t yyscanner );
+static yy_state_type yy_try_NUL_trans (yy_state_type current_state ,yyscan_t yyscanner);
+static int yy_get_next_buffer (yyscan_t yyscanner );
+static void yy_fatal_error (yyconst char msg[] ,yyscan_t yyscanner );
+
+/* Done after the current pattern has been matched and before the
+ * corresponding action - sets up yytext.
+ */
+#define YY_DO_BEFORE_ACTION \
+ yyg->yytext_ptr = yy_bp; \
+ yyleng = (size_t) (yy_cp - yy_bp); \
+ yyg->yy_hold_char = *yy_cp; \
+ *yy_cp = '\0'; \
+ yyg->yy_c_buf_p = yy_cp;
+
+#define YY_NUM_RULES 154
+#define YY_END_OF_BUFFER 155
+/* This struct is not used in this scanner,
+ but its presence is necessary. */
+struct yy_trans_info
+ {
+ flex_int32_t yy_verify;
+ flex_int32_t yy_nxt;
+ };
+static yyconst flex_int16_t yy_accept[448] =
+ { 0,
+ 0, 0, 0, 0, 0, 0, 155, 153, 152, 152,
+ 137, 143, 148, 132, 133, 141, 140, 129, 138, 136,
+ 142, 101, 101, 130, 126, 144, 131, 145, 149, 97,
+ 134, 135, 147, 97, 97, 97, 97, 97, 97, 97,
+ 97, 97, 97, 97, 97, 97, 97, 97, 97, 97,
+ 97, 97, 97, 127, 146, 128, 139, 3, 4, 3,
+ 151, 154, 150, 123, 109, 128, 117, 112, 107, 115,
+ 105, 116, 106, 104, 2, 1, 108, 103, 99, 100,
+ 0, 0, 101, 135, 127, 134, 124, 120, 122, 121,
+ 125, 97, 113, 119, 97, 97, 97, 97, 97, 97,
+
+ 97, 97, 97, 97, 17, 97, 97, 97, 97, 97,
+ 97, 97, 97, 97, 97, 97, 97, 97, 20, 22,
+ 97, 97, 97, 97, 97, 97, 97, 97, 97, 97,
+ 97, 97, 97, 97, 97, 97, 97, 97, 97, 97,
+ 97, 97, 97, 97, 97, 97, 97, 114, 118, 5,
+ 150, 0, 1, 103, 0, 0, 102, 98, 110, 111,
+ 48, 97, 97, 97, 97, 97, 97, 97, 97, 97,
+ 97, 97, 97, 97, 97, 97, 97, 97, 97, 18,
+ 97, 97, 97, 97, 97, 97, 97, 97, 26, 97,
+ 97, 97, 97, 97, 97, 97, 97, 23, 97, 97,
+
+ 97, 97, 97, 97, 97, 97, 97, 97, 97, 97,
+ 97, 97, 97, 97, 97, 97, 97, 97, 97, 97,
+ 97, 0, 104, 0, 103, 97, 28, 97, 97, 94,
+ 97, 97, 97, 97, 97, 97, 97, 21, 51, 97,
+ 97, 97, 67, 97, 97, 56, 71, 97, 97, 97,
+ 97, 97, 97, 97, 97, 68, 9, 33, 34, 35,
+ 97, 97, 97, 97, 97, 97, 97, 97, 97, 97,
+ 97, 97, 97, 97, 97, 97, 54, 29, 97, 97,
+ 97, 97, 97, 97, 36, 37, 38, 27, 97, 97,
+ 97, 15, 42, 43, 44, 49, 12, 97, 97, 97,
+
+ 97, 80, 81, 82, 97, 30, 72, 25, 83, 84,
+ 85, 7, 77, 78, 79, 97, 24, 75, 97, 97,
+ 39, 40, 41, 97, 97, 97, 97, 97, 97, 97,
+ 97, 97, 69, 97, 97, 97, 97, 97, 97, 97,
+ 97, 50, 97, 96, 97, 97, 19, 97, 97, 97,
+ 97, 70, 64, 59, 97, 97, 97, 97, 97, 76,
+ 55, 97, 62, 32, 97, 93, 63, 47, 74, 57,
+ 97, 97, 97, 97, 97, 97, 97, 97, 58, 31,
+ 97, 97, 97, 8, 97, 97, 97, 97, 97, 52,
+ 13, 97, 14, 97, 97, 16, 65, 97, 97, 97,
+
+ 60, 97, 97, 97, 97, 97, 53, 73, 61, 11,
+ 66, 6, 95, 10, 86, 45, 87, 97, 97, 97,
+ 97, 97, 97, 97, 97, 97, 97, 46, 97, 97,
+ 97, 97, 97, 90, 97, 91, 97, 97, 97, 88,
+ 97, 89, 97, 97, 97, 92, 0
+ } ;
+
+static yyconst flex_int32_t yy_ec[256] =
+ { 0,
+ 1, 1, 1, 1, 1, 1, 1, 1, 2, 3,
+ 2, 2, 2, 1, 1, 1, 1, 1, 1, 1,
+ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+ 1, 2, 4, 1, 1, 1, 5, 6, 1, 7,
+ 8, 9, 10, 11, 12, 13, 14, 15, 16, 17,
+ 18, 19, 20, 20, 20, 21, 21, 22, 23, 24,
+ 25, 26, 27, 1, 28, 28, 29, 30, 31, 28,
+ 32, 32, 32, 32, 32, 32, 32, 32, 32, 32,
+ 32, 33, 34, 32, 32, 32, 32, 35, 32, 32,
+ 36, 1, 37, 38, 32, 1, 39, 40, 41, 42,
+
+ 43, 44, 45, 46, 47, 32, 48, 49, 50, 51,
+ 52, 53, 32, 54, 55, 56, 57, 58, 59, 60,
+ 61, 62, 63, 64, 65, 66, 1, 1, 1, 1,
+ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+
+ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+ 1, 1, 1, 1, 1
+ } ;
+
+static yyconst flex_int32_t yy_meta[67] =
+ { 0,
+ 1, 1, 2, 1, 1, 1, 1, 1, 1, 1,
+ 1, 1, 3, 1, 4, 4, 4, 4, 4, 4,
+ 4, 1, 1, 1, 1, 1, 1, 5, 5, 5,
+ 4, 6, 6, 6, 6, 1, 1, 1, 5, 5,
+ 5, 5, 4, 5, 6, 6, 6, 6, 6, 6,
+ 6, 6, 6, 6, 6, 6, 6, 6, 6, 6,
+ 6, 6, 1, 1, 1, 1
+ } ;
+
+static yyconst flex_int16_t yy_base[455] =
+ { 0,
+ 0, 0, 64, 65, 74, 0, 649, 650, 650, 650,
+ 623, 44, 135, 650, 650, 622, 132, 650, 131, 129,
+ 144, 157, 148, 620, 650, 158, 620, 46, 650, 0,
+ 650, 650, 126, 99, 113, 145, 138, 138, 154, 592,
+ 160, 108, 591, 165, 163, 585, 156, 598, 175, 181,
+ 154, 177, 594, 650, 161, 650, 650, 650, 650, 625,
+ 650, 650, 0, 650, 650, 650, 650, 650, 650, 650,
+ 650, 650, 650, 228, 650, 0, 650, 235, 176, 226,
+ 264, 0, 227, 650, 650, 650, 613, 650, 650, 650,
+ 612, 0, 650, 650, 586, 579, 582, 590, 589, 576,
+
+ 591, 578, 584, 572, 569, 582, 569, 566, 566, 572,
+ 560, 189, 565, 575, 561, 567, 570, 571, 0, 237,
+ 570, 179, 556, 569, 560, 562, 552, 566, 563, 565,
+ 548, 553, 550, 539, 221, 547, 552, 548, 550, 539,
+ 542, 217, 547, 539, 551, 214, 544, 650, 650, 650,
+ 0, 282, 0, 289, 306, 318, 325, 0, 650, 650,
+ 0, 536, 540, 549, 546, 530, 530, 212, 545, 542,
+ 542, 540, 537, 529, 535, 522, 533, 519, 535, 0,
+ 532, 520, 527, 524, 528, 521, 510, 509, 522, 525,
+ 522, 517, 508, 294, 513, 516, 507, 504, 508, 514,
+
+ 505, 496, 499, 497, 507, 493, 491, 504, 490, 492,
+ 489, 500, 499, 221, 494, 489, 478, 311, 496, 498,
+ 487, 332, 339, 346, 353, 488, 0, 486, 358, 0,
+ 478, 476, 484, 473, 490, 479, 361, 0, 0, 473,
+ 483, 483, 0, 468, 364, 0, 0, 470, 367, 471,
+ 465, 464, 465, 464, 370, 0, 0, 0, 0, 0,
+ 460, 461, 466, 457, 470, 465, 464, 456, 460, 452,
+ 455, 459, 464, 450, 462, 453, 0, 0, 459, 448,
+ 448, 453, 452, 449, 0, 0, 0, 0, 439, 451,
+ 453, 0, 0, 0, 0, 0, 0, 441, 442, 436,
+
+ 446, 0, 0, 0, 437, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 444, 0, 0, 442, 438,
+ 0, 0, 0, 434, 430, 435, 425, 438, 424, 437,
+ 426, 433, 0, 431, 433, 417, 419, 425, 431, 426,
+ 414, 0, 416, 0, 415, 418, 0, 407, 406, 406,
+ 419, 0, 421, 0, 420, 419, 404, 417, 404, 0,
+ 0, 407, 0, 0, 399, 0, 0, 0, 0, 0,
+ 396, 407, 400, 406, 403, 398, 390, 402, 0, 0,
+ 395, 402, 391, 0, 400, 397, 387, 374, 395, 0,
+ 0, 395, 0, 393, 392, 0, 0, 391, 377, 389,
+
+ 0, 380, 400, 399, 398, 362, 0, 0, 0, 0,
+ 0, 0, 0, 0, 368, 254, 368, 360, 353, 355,
+ 351, 353, 352, 355, 352, 292, 278, 0, 275, 259,
+ 272, 240, 239, 243, 210, 0, 178, 187, 167, 0,
+ 184, 0, 177, 116, 103, 0, 650, 403, 407, 408,
+ 411, 417, 421, 422
+ } ;
+
+static yyconst flex_int16_t yy_def[455] =
+ { 0,
+ 447, 1, 448, 448, 447, 5, 447, 447, 447, 447,
+ 447, 447, 447, 447, 447, 447, 447, 447, 447, 447,
+ 447, 447, 449, 447, 447, 447, 447, 447, 447, 450,
+ 447, 447, 447, 450, 450, 450, 450, 450, 450, 450,
+ 450, 450, 450, 450, 450, 450, 450, 450, 450, 450,
+ 450, 450, 450, 447, 447, 447, 447, 447, 447, 447,
+ 447, 447, 451, 447, 447, 447, 447, 447, 447, 447,
+ 447, 447, 447, 447, 447, 452, 447, 447, 22, 453,
+ 447, 454, 449, 447, 447, 447, 447, 447, 447, 447,
+ 447, 450, 447, 447, 450, 450, 450, 450, 450, 450,
+
+ 450, 450, 450, 450, 450, 450, 450, 450, 450, 450,
+ 450, 450, 450, 450, 450, 450, 450, 450, 450, 450,
+ 450, 450, 450, 450, 450, 450, 450, 450, 450, 450,
+ 450, 450, 450, 450, 450, 450, 450, 450, 450, 450,
+ 450, 450, 450, 450, 450, 450, 450, 447, 447, 447,
+ 451, 447, 452, 447, 447, 447, 447, 454, 447, 447,
+ 450, 450, 450, 450, 450, 450, 450, 450, 450, 450,
+ 450, 450, 450, 450, 450, 450, 450, 450, 450, 450,
+ 450, 450, 450, 450, 450, 450, 450, 450, 450, 450,
+ 450, 450, 450, 450, 450, 450, 450, 450, 450, 450,
+
+ 450, 450, 450, 450, 450, 450, 450, 450, 450, 450,
+ 450, 450, 450, 450, 450, 450, 450, 450, 450, 450,
+ 450, 447, 447, 447, 447, 450, 450, 450, 450, 450,
+ 450, 450, 450, 450, 450, 450, 450, 450, 450, 450,
+ 450, 450, 450, 450, 450, 450, 450, 450, 450, 450,
+ 450, 450, 450, 450, 450, 450, 450, 450, 450, 450,
+ 450, 450, 450, 450, 450, 450, 450, 450, 450, 450,
+ 450, 450, 450, 450, 450, 450, 450, 450, 450, 450,
+ 450, 450, 450, 450, 450, 450, 450, 450, 450, 450,
+ 450, 450, 450, 450, 450, 450, 450, 450, 450, 450,
+
+ 450, 450, 450, 450, 450, 450, 450, 450, 450, 450,
+ 450, 450, 450, 450, 450, 450, 450, 450, 450, 450,
+ 450, 450, 450, 450, 450, 450, 450, 450, 450, 450,
+ 450, 450, 450, 450, 450, 450, 450, 450, 450, 450,
+ 450, 450, 450, 450, 450, 450, 450, 450, 450, 450,
+ 450, 450, 450, 450, 450, 450, 450, 450, 450, 450,
+ 450, 450, 450, 450, 450, 450, 450, 450, 450, 450,
+ 450, 450, 450, 450, 450, 450, 450, 450, 450, 450,
+ 450, 450, 450, 450, 450, 450, 450, 450, 450, 450,
+ 450, 450, 450, 450, 450, 450, 450, 450, 450, 450,
+
+ 450, 450, 450, 450, 450, 450, 450, 450, 450, 450,
+ 450, 450, 450, 450, 450, 450, 450, 450, 450, 450,
+ 450, 450, 450, 450, 450, 450, 450, 450, 450, 450,
+ 450, 450, 450, 450, 450, 450, 450, 450, 450, 450,
+ 450, 450, 450, 450, 450, 450, 0, 447, 447, 447,
+ 447, 447, 447, 447
+ } ;
+
+static yyconst flex_int16_t yy_nxt[717] =
+ { 0,
+ 8, 9, 10, 11, 12, 13, 14, 15, 16, 17,
+ 18, 19, 20, 21, 22, 23, 23, 23, 23, 23,
+ 23, 24, 25, 26, 27, 28, 29, 30, 30, 30,
+ 30, 30, 30, 30, 30, 31, 32, 33, 34, 35,
+ 36, 37, 38, 39, 40, 41, 42, 30, 43, 44,
+ 45, 46, 47, 48, 49, 50, 51, 52, 53, 30,
+ 30, 30, 54, 55, 56, 57, 59, 59, 65, 66,
+ 90, 91, 60, 60, 8, 61, 62, 8, 8, 8,
+ 8, 8, 8, 8, 8, 8, 8, 8, 8, 8,
+ 8, 8, 8, 8, 8, 8, 8, 8, 8, 8,
+
+ 8, 63, 63, 63, 63, 63, 63, 63, 63, 8,
+ 8, 8, 63, 63, 63, 63, 63, 63, 63, 63,
+ 63, 63, 63, 63, 63, 63, 63, 63, 63, 63,
+ 63, 63, 63, 63, 63, 63, 8, 8, 8, 8,
+ 67, 70, 72, 74, 74, 74, 74, 74, 74, 74,
+ 93, 119, 75, 95, 96, 73, 71, 76, 120, 68,
+ 78, 446, 85, 94, 97, 121, 98, 445, 77, 78,
+ 99, 79, 79, 79, 79, 79, 79, 80, 81, 86,
+ 103, 87, 88, 100, 104, 148, 107, 81, 108, 105,
+ 81, 82, 110, 101, 128, 106, 102, 109, 116, 81,
+
+ 111, 125, 112, 123, 142, 113, 117, 124, 143, 129,
+ 447, 114, 130, 132, 126, 144, 82, 118, 444, 145,
+ 133, 134, 443, 138, 149, 442, 139, 178, 146, 192,
+ 135, 136, 441, 137, 140, 447, 440, 193, 78, 78,
+ 179, 141, 74, 74, 74, 74, 74, 74, 74, 154,
+ 154, 154, 154, 154, 154, 154, 81, 81, 152, 206,
+ 219, 439, 220, 214, 280, 155, 232, 233, 81, 81,
+ 152, 215, 281, 156, 207, 156, 438, 155, 157, 157,
+ 157, 157, 157, 157, 157, 186, 420, 421, 187, 188,
+ 437, 222, 189, 222, 190, 436, 223, 223, 223, 223,
+
+ 223, 223, 223, 154, 154, 154, 154, 154, 154, 154,
+ 258, 259, 260, 435, 434, 224, 433, 224, 432, 155,
+ 225, 225, 225, 225, 225, 225, 225, 285, 286, 287,
+ 431, 155, 157, 157, 157, 157, 157, 157, 157, 157,
+ 157, 157, 157, 157, 157, 157, 223, 223, 223, 223,
+ 223, 223, 223, 223, 223, 223, 223, 223, 223, 223,
+ 225, 225, 225, 225, 225, 225, 225, 225, 225, 225,
+ 225, 225, 225, 225, 293, 294, 295, 302, 303, 304,
+ 309, 310, 311, 313, 314, 315, 321, 322, 323, 403,
+ 404, 405, 430, 429, 428, 427, 426, 425, 424, 423,
+
+ 422, 419, 406, 58, 58, 58, 58, 58, 58, 83,
+ 83, 92, 92, 92, 151, 151, 151, 153, 418, 153,
+ 153, 153, 153, 80, 80, 158, 158, 417, 416, 415,
+ 414, 413, 412, 411, 410, 409, 408, 407, 402, 401,
+ 400, 399, 398, 397, 396, 395, 394, 393, 392, 391,
+ 390, 389, 388, 387, 386, 385, 384, 383, 382, 381,
+ 380, 379, 378, 377, 376, 375, 374, 373, 372, 371,
+ 370, 369, 368, 367, 366, 365, 364, 363, 362, 361,
+ 360, 359, 358, 357, 356, 355, 354, 353, 352, 351,
+ 350, 349, 348, 347, 346, 345, 344, 343, 342, 341,
+
+ 340, 339, 338, 337, 336, 335, 334, 333, 332, 331,
+ 330, 329, 328, 327, 326, 325, 324, 320, 319, 318,
+ 317, 316, 312, 308, 307, 306, 305, 301, 300, 299,
+ 298, 297, 296, 292, 291, 290, 289, 288, 284, 283,
+ 282, 279, 278, 277, 276, 275, 274, 273, 272, 271,
+ 270, 269, 268, 267, 266, 265, 264, 263, 262, 261,
+ 257, 256, 255, 254, 253, 252, 251, 250, 249, 248,
+ 247, 246, 245, 244, 243, 242, 241, 240, 239, 238,
+ 237, 236, 235, 234, 231, 230, 229, 228, 227, 226,
+ 221, 218, 217, 216, 213, 212, 211, 210, 209, 208,
+
+ 205, 204, 203, 202, 201, 200, 199, 198, 197, 196,
+ 195, 194, 191, 185, 184, 183, 182, 181, 180, 177,
+ 176, 175, 174, 173, 172, 171, 170, 169, 168, 167,
+ 166, 165, 164, 163, 162, 161, 160, 159, 150, 147,
+ 131, 127, 122, 115, 89, 84, 69, 64, 447, 7,
+ 447, 447, 447, 447, 447, 447, 447, 447, 447, 447,
+ 447, 447, 447, 447, 447, 447, 447, 447, 447, 447,
+ 447, 447, 447, 447, 447, 447, 447, 447, 447, 447,
+ 447, 447, 447, 447, 447, 447, 447, 447, 447, 447,
+ 447, 447, 447, 447, 447, 447, 447, 447, 447, 447,
+
+ 447, 447, 447, 447, 447, 447, 447, 447, 447, 447,
+ 447, 447, 447, 447, 447, 447
+ } ;
+
+static yyconst flex_int16_t yy_chk[717] =
+ { 0,
+ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+ 1, 1, 1, 1, 1, 1, 3, 4, 12, 12,
+ 28, 28, 3, 4, 5, 5, 5, 5, 5, 5,
+ 5, 5, 5, 5, 5, 5, 5, 5, 5, 5,
+ 5, 5, 5, 5, 5, 5, 5, 5, 5, 5,
+
+ 5, 5, 5, 5, 5, 5, 5, 5, 5, 5,
+ 5, 5, 5, 5, 5, 5, 5, 5, 5, 5,
+ 5, 5, 5, 5, 5, 5, 5, 5, 5, 5,
+ 5, 5, 5, 5, 5, 5, 5, 5, 5, 5,
+ 13, 17, 19, 20, 20, 20, 20, 20, 20, 20,
+ 33, 42, 21, 34, 34, 19, 17, 21, 42, 13,
+ 23, 445, 26, 33, 35, 42, 35, 444, 21, 22,
+ 35, 22, 22, 22, 22, 22, 22, 22, 23, 26,
+ 37, 26, 26, 36, 37, 55, 38, 22, 38, 37,
+ 23, 22, 39, 36, 47, 37, 36, 38, 41, 22,
+
+ 39, 45, 39, 44, 51, 39, 41, 44, 51, 47,
+ 79, 39, 47, 49, 45, 52, 22, 41, 443, 52,
+ 49, 49, 441, 50, 55, 439, 50, 112, 52, 122,
+ 49, 49, 438, 49, 50, 79, 437, 122, 80, 83,
+ 112, 50, 74, 74, 74, 74, 74, 74, 74, 78,
+ 78, 78, 78, 78, 78, 78, 80, 83, 74, 135,
+ 146, 435, 146, 142, 214, 78, 168, 168, 80, 83,
+ 74, 142, 214, 81, 135, 81, 434, 78, 81, 81,
+ 81, 81, 81, 81, 81, 120, 416, 416, 120, 120,
+ 433, 152, 120, 152, 120, 432, 152, 152, 152, 152,
+
+ 152, 152, 152, 154, 154, 154, 154, 154, 154, 154,
+ 194, 194, 194, 431, 430, 155, 429, 155, 427, 154,
+ 155, 155, 155, 155, 155, 155, 155, 218, 218, 218,
+ 426, 154, 156, 156, 156, 156, 156, 156, 156, 157,
+ 157, 157, 157, 157, 157, 157, 222, 222, 222, 222,
+ 222, 222, 222, 223, 223, 223, 223, 223, 223, 223,
+ 224, 224, 224, 224, 224, 224, 224, 225, 225, 225,
+ 225, 225, 225, 225, 229, 229, 229, 237, 237, 237,
+ 245, 245, 245, 249, 249, 249, 255, 255, 255, 388,
+ 388, 388, 425, 424, 423, 422, 421, 420, 419, 418,
+
+ 417, 415, 388, 448, 448, 448, 448, 448, 448, 449,
+ 449, 450, 450, 450, 451, 451, 451, 452, 406, 452,
+ 452, 452, 452, 453, 453, 454, 454, 405, 404, 403,
+ 402, 400, 399, 398, 395, 394, 392, 389, 387, 386,
+ 385, 383, 382, 381, 378, 377, 376, 375, 374, 373,
+ 372, 371, 365, 362, 359, 358, 357, 356, 355, 353,
+ 351, 350, 349, 348, 346, 345, 343, 341, 340, 339,
+ 338, 337, 336, 335, 334, 332, 331, 330, 329, 328,
+ 327, 326, 325, 324, 320, 319, 316, 305, 301, 300,
+ 299, 298, 291, 290, 289, 284, 283, 282, 281, 280,
+
+ 279, 276, 275, 274, 273, 272, 271, 270, 269, 268,
+ 267, 266, 265, 264, 263, 262, 261, 254, 253, 252,
+ 251, 250, 248, 244, 242, 241, 240, 236, 235, 234,
+ 233, 232, 231, 228, 226, 221, 220, 219, 217, 216,
+ 215, 213, 212, 211, 210, 209, 208, 207, 206, 205,
+ 204, 203, 202, 201, 200, 199, 198, 197, 196, 195,
+ 193, 192, 191, 190, 189, 188, 187, 186, 185, 184,
+ 183, 182, 181, 179, 178, 177, 176, 175, 174, 173,
+ 172, 171, 170, 169, 167, 166, 165, 164, 163, 162,
+ 147, 145, 144, 143, 141, 140, 139, 138, 137, 136,
+
+ 134, 133, 132, 131, 130, 129, 128, 127, 126, 125,
+ 124, 123, 121, 118, 117, 116, 115, 114, 113, 111,
+ 110, 109, 108, 107, 106, 105, 104, 103, 102, 101,
+ 100, 99, 98, 97, 96, 95, 91, 87, 60, 53,
+ 48, 46, 43, 40, 27, 24, 16, 11, 7, 447,
+ 447, 447, 447, 447, 447, 447, 447, 447, 447, 447,
+ 447, 447, 447, 447, 447, 447, 447, 447, 447, 447,
+ 447, 447, 447, 447, 447, 447, 447, 447, 447, 447,
+ 447, 447, 447, 447, 447, 447, 447, 447, 447, 447,
+ 447, 447, 447, 447, 447, 447, 447, 447, 447, 447,
+
+ 447, 447, 447, 447, 447, 447, 447, 447, 447, 447,
+ 447, 447, 447, 447, 447, 447
+ } ;
+
+/* Table of booleans, true if rule could match eol. */
+static yyconst flex_int32_t yy_rule_can_match_eol[155] =
+ { 0,
+0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, };
+
+/* The intent behind this definition is that it'll catch
+ * any uses of REJECT which flex missed.
+ */
+#define REJECT reject_used_but_not_detected
+#define yymore() yymore_used_but_not_detected
+#define YY_MORE_ADJ 0
+#define YY_RESTORE_YY_MORE_OFFSET
+/*
+//
+// Copyright (c) 2002-2012 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+This file contains the Lex specification for GLSL ES.
+Based on ANSI C grammar, Lex specification:
+http://www.lysator.liu.se/c/ANSI-C-grammar-l.html
+
+IF YOU MODIFY THIS FILE YOU ALSO NEED TO RUN generate_parser.sh,
+WHICH GENERATES THE GLSL ES LEXER (glslang_lex.cpp).
+*/
+
+#include "compiler/glslang.h"
+#include "compiler/ParseHelper.h"
+#include "compiler/preprocessor/Token.h"
+#include "compiler/util.h"
+#include "glslang_tab.h"
+
+/* windows only pragma */
+#ifdef _MSC_VER
+#pragma warning(disable : 4102)
+#endif
+
+#define YY_USER_ACTION yylval->lex.line = yylineno;
+#define YY_INPUT(buf, result, max_size) \
+ result = string_input(buf, max_size, yyscanner);
+
+static int string_input(char* buf, int max_size, yyscan_t yyscanner);
+static int check_type(yyscan_t yyscanner);
+static int reserved_word(yyscan_t yyscanner);
+
+#define INITIAL 0
+#define COMMENT 1
+#define FIELDS 2
+
+#define YY_EXTRA_TYPE TParseContext*
+
+/* Holds the entire state of the reentrant scanner. */
+struct yyguts_t
+ {
+
+ /* User-defined. Not touched by flex. */
+ YY_EXTRA_TYPE yyextra_r;
+
+ /* The rest are the same as the globals declared in the non-reentrant scanner. */
+ FILE *yyin_r, *yyout_r;
+ size_t yy_buffer_stack_top; /**< index of top of stack. */
+ size_t yy_buffer_stack_max; /**< capacity of stack. */
+ YY_BUFFER_STATE * yy_buffer_stack; /**< Stack as an array. */
+ char yy_hold_char;
+ int yy_n_chars;
+ int yyleng_r;
+ char *yy_c_buf_p;
+ int yy_init;
+ int yy_start;
+ int yy_did_buffer_switch_on_eof;
+ int yy_start_stack_ptr;
+ int yy_start_stack_depth;
+ int *yy_start_stack;
+ yy_state_type yy_last_accepting_state;
+ char* yy_last_accepting_cpos;
+
+ int yylineno_r;
+ int yy_flex_debug_r;
+
+ char *yytext_r;
+ int yy_more_flag;
+ int yy_more_len;
+
+ YYSTYPE * yylval_r;
+
+ }; /* end struct yyguts_t */
+
+static int yy_init_globals (yyscan_t yyscanner );
+
+ /* This must go here because YYSTYPE and YYLTYPE are included
+ * from bison output in section 1.*/
+ # define yylval yyg->yylval_r
+
+int yylex_init (yyscan_t* scanner);
+
+int yylex_init_extra (YY_EXTRA_TYPE user_defined,yyscan_t* scanner);
+
+/* Accessor methods to globals.
+ These are made visible to non-reentrant scanners for convenience. */
+
+int yylex_destroy (yyscan_t yyscanner );
+
+int yyget_debug (yyscan_t yyscanner );
+
+void yyset_debug (int debug_flag ,yyscan_t yyscanner );
+
+YY_EXTRA_TYPE yyget_extra (yyscan_t yyscanner );
+
+void yyset_extra (YY_EXTRA_TYPE user_defined ,yyscan_t yyscanner );
+
+FILE *yyget_in (yyscan_t yyscanner );
+
+void yyset_in (FILE * in_str ,yyscan_t yyscanner );
+
+FILE *yyget_out (yyscan_t yyscanner );
+
+void yyset_out (FILE * out_str ,yyscan_t yyscanner );
+
+int yyget_leng (yyscan_t yyscanner );
+
+char *yyget_text (yyscan_t yyscanner );
+
+int yyget_lineno (yyscan_t yyscanner );
+
+void yyset_lineno (int line_number ,yyscan_t yyscanner );
+
+YYSTYPE * yyget_lval (yyscan_t yyscanner );
+
+void yyset_lval (YYSTYPE * yylval_param ,yyscan_t yyscanner );
+
+/* Macros after this point can all be overridden by user definitions in
+ * section 1.
+ */
+
+#ifndef YY_SKIP_YYWRAP
+#ifdef __cplusplus
+extern "C" int yywrap (yyscan_t yyscanner );
+#else
+extern int yywrap (yyscan_t yyscanner );
+#endif
+#endif
+
+#ifndef yytext_ptr
+static void yy_flex_strncpy (char *,yyconst char *,int ,yyscan_t yyscanner);
+#endif
+
+#ifdef YY_NEED_STRLEN
+static int yy_flex_strlen (yyconst char * ,yyscan_t yyscanner);
+#endif
+
+#ifndef YY_NO_INPUT
+
+#ifdef __cplusplus
+static int yyinput (yyscan_t yyscanner );
+#else
+static int input (yyscan_t yyscanner );
+#endif
+
+#endif
+
+ static void yy_push_state (int new_state ,yyscan_t yyscanner);
+
+ static void yy_pop_state (yyscan_t yyscanner );
+
+ static int yy_top_state (yyscan_t yyscanner );
+
+/* Amount of stuff to slurp up with each read. */
+#ifndef YY_READ_BUF_SIZE
+#define YY_READ_BUF_SIZE 8192
+#endif
+
+/* Copy whatever the last rule matched to the standard output. */
+#ifndef ECHO
+/* This used to be an fputs(), but since the string might contain NUL's,
+ * we now use fwrite().
+ */
+#define ECHO fwrite( yytext, yyleng, 1, yyout )
+#endif
+
+/* Gets input and stuffs it into "buf". number of characters read, or YY_NULL,
+ * is returned in "result".
+ */
+#ifndef YY_INPUT
+#define YY_INPUT(buf,result,max_size) \
+ if ( YY_CURRENT_BUFFER_LVALUE->yy_is_interactive ) \
+ { \
+ int c = '*'; \
+ int n; \
+ for ( n = 0; n < max_size && \
+ (c = getc( yyin )) != EOF && c != '\n'; ++n ) \
+ buf[n] = (char) c; \
+ if ( c == '\n' ) \
+ buf[n++] = (char) c; \
+ if ( c == EOF && ferror( yyin ) ) \
+ YY_FATAL_ERROR( "input in flex scanner failed" ); \
+ result = n; \
+ } \
+ else \
+ { \
+ errno=0; \
+ while ( (result = fread(buf, 1, max_size, yyin))==0 && ferror(yyin)) \
+ { \
+ if( errno != EINTR) \
+ { \
+ YY_FATAL_ERROR( "input in flex scanner failed" ); \
+ break; \
+ } \
+ errno=0; \
+ clearerr(yyin); \
+ } \
+ }\
+\
+
+#endif
+
+/* No semi-colon after return; correct usage is to write "yyterminate();" -
+ * we don't want an extra ';' after the "return" because that will cause
+ * some compilers to complain about unreachable statements.
+ */
+#ifndef yyterminate
+#define yyterminate() return YY_NULL
+#endif
+
+/* Number of entries by which start-condition stack grows. */
+#ifndef YY_START_STACK_INCR
+#define YY_START_STACK_INCR 25
+#endif
+
+/* Report a fatal error. */
+#ifndef YY_FATAL_ERROR
+#define YY_FATAL_ERROR(msg) yy_fatal_error( msg , yyscanner)
+#endif
+
+/* end tables serialization structures and prototypes */
+
+/* Default declaration of generated scanner - a define so the user can
+ * easily add parameters.
+ */
+#ifndef YY_DECL
+#define YY_DECL_IS_OURS 1
+
+extern int yylex \
+ (YYSTYPE * yylval_param ,yyscan_t yyscanner);
+
+#define YY_DECL int yylex \
+ (YYSTYPE * yylval_param , yyscan_t yyscanner)
+#endif /* !YY_DECL */
+
+/* Code executed at the beginning of each rule, after yytext and yyleng
+ * have been set up.
+ */
+#ifndef YY_USER_ACTION
+#define YY_USER_ACTION
+#endif
+
+/* Code executed at the end of each rule. */
+#ifndef YY_BREAK
+#define YY_BREAK break;
+#endif
+
+#define YY_RULE_SETUP \
+ YY_USER_ACTION
+
+/** The main scanner function which does all the work.
+ */
+YY_DECL
+{
+ register yy_state_type yy_current_state;
+ register char *yy_cp, *yy_bp;
+ register int yy_act;
+ struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
+
+ TParseContext* context = yyextra;
+
+ /* Single-line comments */
+
+ yylval = yylval_param;
+
+ if ( !yyg->yy_init )
+ {
+ yyg->yy_init = 1;
+
+#ifdef YY_USER_INIT
+ YY_USER_INIT;
+#endif
+
+ if ( ! yyg->yy_start )
+ yyg->yy_start = 1; /* first start state */
+
+ if ( ! yyin )
+ yyin = stdin;
+
+ if ( ! yyout )
+ yyout = stdout;
+
+ if ( ! YY_CURRENT_BUFFER ) {
+ yyensure_buffer_stack (yyscanner);
+ YY_CURRENT_BUFFER_LVALUE =
+ yy_create_buffer(yyin,YY_BUF_SIZE ,yyscanner);
+ }
+
+ yy_load_buffer_state(yyscanner );
+ }
+
+ while ( 1 ) /* loops until end-of-file is reached */
+ {
+ yy_cp = yyg->yy_c_buf_p;
+
+ /* Support of yytext. */
+ *yy_cp = yyg->yy_hold_char;
+
+ /* yy_bp points to the position in yy_ch_buf of the start of
+ * the current run.
+ */
+ yy_bp = yy_cp;
+
+ yy_current_state = yyg->yy_start;
+yy_match:
+ do
+ {
+ register YY_CHAR yy_c = yy_ec[YY_SC_TO_UI(*yy_cp)];
+ if ( yy_accept[yy_current_state] )
+ {
+ yyg->yy_last_accepting_state = yy_current_state;
+ yyg->yy_last_accepting_cpos = yy_cp;
+ }
+ while ( yy_chk[yy_base[yy_current_state] + yy_c] != yy_current_state )
+ {
+ yy_current_state = (int) yy_def[yy_current_state];
+ if ( yy_current_state >= 448 )
+ yy_c = yy_meta[(unsigned int) yy_c];
+ }
+ yy_current_state = yy_nxt[yy_base[yy_current_state] + (unsigned int) yy_c];
+ ++yy_cp;
+ }
+ while ( yy_current_state != 447 );
+ yy_cp = yyg->yy_last_accepting_cpos;
+ yy_current_state = yyg->yy_last_accepting_state;
+
+yy_find_action:
+ yy_act = yy_accept[yy_current_state];
+
+ YY_DO_BEFORE_ACTION;
+
+ if ( yy_act != YY_END_OF_BUFFER && yy_rule_can_match_eol[yy_act] )
+ {
+ int yyl;
+ for ( yyl = 0; yyl < yyleng; ++yyl )
+ if ( yytext[yyl] == '\n' )
+
+ do{ yylineno++;
+ yycolumn=0;
+ }while(0)
+;
+ }
+
+do_action: /* This label is used only to access EOF actions. */
+
+ switch ( yy_act )
+ { /* beginning of action switch */
+ case 0: /* must back up */
+ /* undo the effects of YY_DO_BEFORE_ACTION */
+ *yy_cp = yyg->yy_hold_char;
+ yy_cp = yyg->yy_last_accepting_cpos;
+ yy_current_state = yyg->yy_last_accepting_state;
+ goto yy_find_action;
+
+case 1:
+YY_RULE_SETUP
+;
+ YY_BREAK
+/* Multi-line comments */
+case 2:
+YY_RULE_SETUP
+{ yy_push_state(COMMENT, yyscanner); }
+ YY_BREAK
+case 3:
+case 4:
+/* rule 4 can match eol */
+YY_RULE_SETUP
+;
+ YY_BREAK
+case 5:
+YY_RULE_SETUP
+{ yy_pop_state(yyscanner); }
+ YY_BREAK
+case 6:
+YY_RULE_SETUP
+{ return(INVARIANT); }
+ YY_BREAK
+case 7:
+YY_RULE_SETUP
+{ return(HIGH_PRECISION); }
+ YY_BREAK
+case 8:
+YY_RULE_SETUP
+{ return(MEDIUM_PRECISION); }
+ YY_BREAK
+case 9:
+YY_RULE_SETUP
+{ return(LOW_PRECISION); }
+ YY_BREAK
+case 10:
+YY_RULE_SETUP
+{ return(PRECISION); }
+ YY_BREAK
+case 11:
+YY_RULE_SETUP
+{ return(ATTRIBUTE); }
+ YY_BREAK
+case 12:
+YY_RULE_SETUP
+{ return(CONST_QUAL); }
+ YY_BREAK
+case 13:
+YY_RULE_SETUP
+{ return(UNIFORM); }
+ YY_BREAK
+case 14:
+YY_RULE_SETUP
+{ return(VARYING); }
+ YY_BREAK
+case 15:
+YY_RULE_SETUP
+{ return(BREAK); }
+ YY_BREAK
+case 16:
+YY_RULE_SETUP
+{ return(CONTINUE); }
+ YY_BREAK
+case 17:
+YY_RULE_SETUP
+{ return(DO); }
+ YY_BREAK
+case 18:
+YY_RULE_SETUP
+{ return(FOR); }
+ YY_BREAK
+case 19:
+YY_RULE_SETUP
+{ return(WHILE); }
+ YY_BREAK
+case 20:
+YY_RULE_SETUP
+{ return(IF); }
+ YY_BREAK
+case 21:
+YY_RULE_SETUP
+{ return(ELSE); }
+ YY_BREAK
+case 22:
+YY_RULE_SETUP
+{ return(IN_QUAL); }
+ YY_BREAK
+case 23:
+YY_RULE_SETUP
+{ return(OUT_QUAL); }
+ YY_BREAK
+case 24:
+YY_RULE_SETUP
+{ return(INOUT_QUAL); }
+ YY_BREAK
+case 25:
+YY_RULE_SETUP
+{ context->lexAfterType = true; return(FLOAT_TYPE); }
+ YY_BREAK
+case 26:
+YY_RULE_SETUP
+{ context->lexAfterType = true; return(INT_TYPE); }
+ YY_BREAK
+case 27:
+YY_RULE_SETUP
+{ context->lexAfterType = true; return(VOID_TYPE); }
+ YY_BREAK
+case 28:
+YY_RULE_SETUP
+{ context->lexAfterType = true; return(BOOL_TYPE); }
+ YY_BREAK
+case 29:
+YY_RULE_SETUP
+{ yylval->lex.b = true; return(BOOLCONSTANT); }
+ YY_BREAK
+case 30:
+YY_RULE_SETUP
+{ yylval->lex.b = false; return(BOOLCONSTANT); }
+ YY_BREAK
+case 31:
+YY_RULE_SETUP
+{ return(DISCARD); }
+ YY_BREAK
+case 32:
+YY_RULE_SETUP
+{ return(RETURN); }
+ YY_BREAK
+case 33:
+YY_RULE_SETUP
+{ context->lexAfterType = true; return(MATRIX2); }
+ YY_BREAK
+case 34:
+YY_RULE_SETUP
+{ context->lexAfterType = true; return(MATRIX3); }
+ YY_BREAK
+case 35:
+YY_RULE_SETUP
+{ context->lexAfterType = true; return(MATRIX4); }
+ YY_BREAK
+case 36:
+YY_RULE_SETUP
+{ context->lexAfterType = true; return (VEC2); }
+ YY_BREAK
+case 37:
+YY_RULE_SETUP
+{ context->lexAfterType = true; return (VEC3); }
+ YY_BREAK
+case 38:
+YY_RULE_SETUP
+{ context->lexAfterType = true; return (VEC4); }
+ YY_BREAK
+case 39:
+YY_RULE_SETUP
+{ context->lexAfterType = true; return (IVEC2); }
+ YY_BREAK
+case 40:
+YY_RULE_SETUP
+{ context->lexAfterType = true; return (IVEC3); }
+ YY_BREAK
+case 41:
+YY_RULE_SETUP
+{ context->lexAfterType = true; return (IVEC4); }
+ YY_BREAK
+case 42:
+YY_RULE_SETUP
+{ context->lexAfterType = true; return (BVEC2); }
+ YY_BREAK
+case 43:
+YY_RULE_SETUP
+{ context->lexAfterType = true; return (BVEC3); }
+ YY_BREAK
+case 44:
+YY_RULE_SETUP
+{ context->lexAfterType = true; return (BVEC4); }
+ YY_BREAK
+case 45:
+YY_RULE_SETUP
+{ context->lexAfterType = true; return SAMPLER2D; }
+ YY_BREAK
+case 46:
+YY_RULE_SETUP
+{ context->lexAfterType = true; return SAMPLERCUBE; }
+ YY_BREAK
+case 47:
+YY_RULE_SETUP
+{ context->lexAfterType = true; return(STRUCT); }
+ YY_BREAK
+case 48:
+YY_RULE_SETUP
+{ return reserved_word(yyscanner); }
+ YY_BREAK
+case 49:
+YY_RULE_SETUP
+{ return reserved_word(yyscanner); }
+ YY_BREAK
+case 50:
+YY_RULE_SETUP
+{ return reserved_word(yyscanner); }
+ YY_BREAK
+case 51:
+YY_RULE_SETUP
+{ return reserved_word(yyscanner); }
+ YY_BREAK
+case 52:
+YY_RULE_SETUP
+{ return reserved_word(yyscanner); }
+ YY_BREAK
+case 53:
+YY_RULE_SETUP
+{ return reserved_word(yyscanner); }
+ YY_BREAK
+case 54:
+YY_RULE_SETUP
+{ return reserved_word(yyscanner); }
+ YY_BREAK
+case 55:
+YY_RULE_SETUP
+{ return reserved_word(yyscanner); }
+ YY_BREAK
+case 56:
+YY_RULE_SETUP
+{ return reserved_word(yyscanner); }
+ YY_BREAK
+case 57:
+YY_RULE_SETUP
+{ return reserved_word(yyscanner); }
+ YY_BREAK
+case 58:
+YY_RULE_SETUP
+{ return reserved_word(yyscanner); }
+ YY_BREAK
+case 59:
+YY_RULE_SETUP
+{ return reserved_word(yyscanner); }
+ YY_BREAK
+case 60:
+YY_RULE_SETUP
+{ return reserved_word(yyscanner); }
+ YY_BREAK
+case 61:
+YY_RULE_SETUP
+{ return reserved_word(yyscanner); }
+ YY_BREAK
+case 62:
+YY_RULE_SETUP
+{ return reserved_word(yyscanner); }
+ YY_BREAK
+case 63:
+YY_RULE_SETUP
+{ return reserved_word(yyscanner); }
+ YY_BREAK
+case 64:
+YY_RULE_SETUP
+{ return reserved_word(yyscanner); }
+ YY_BREAK
+case 65:
+YY_RULE_SETUP
+{ return reserved_word(yyscanner); }
+ YY_BREAK
+case 66:
+YY_RULE_SETUP
+{ return reserved_word(yyscanner); }
+ YY_BREAK
+case 67:
+YY_RULE_SETUP
+{ return reserved_word(yyscanner); }
+ YY_BREAK
+case 68:
+YY_RULE_SETUP
+{ return reserved_word(yyscanner); }
+ YY_BREAK
+case 69:
+YY_RULE_SETUP
+{ return reserved_word(yyscanner); }
+ YY_BREAK
+case 70:
+YY_RULE_SETUP
+{ return reserved_word(yyscanner); }
+ YY_BREAK
+case 71:
+YY_RULE_SETUP
+{ return reserved_word(yyscanner); }
+ YY_BREAK
+case 72:
+YY_RULE_SETUP
+{ return reserved_word(yyscanner); }
+ YY_BREAK
+case 73:
+YY_RULE_SETUP
+{ return reserved_word(yyscanner); }
+ YY_BREAK
+case 74:
+YY_RULE_SETUP
+{ return reserved_word(yyscanner); }
+ YY_BREAK
+case 75:
+YY_RULE_SETUP
+{ return reserved_word(yyscanner); }
+ YY_BREAK
+case 76:
+YY_RULE_SETUP
+{ return reserved_word(yyscanner); }
+ YY_BREAK
+case 77:
+YY_RULE_SETUP
+{ return reserved_word(yyscanner); }
+ YY_BREAK
+case 78:
+YY_RULE_SETUP
+{ return reserved_word(yyscanner); }
+ YY_BREAK
+case 79:
+YY_RULE_SETUP
+{ return reserved_word(yyscanner); }
+ YY_BREAK
+case 80:
+YY_RULE_SETUP
+{ return reserved_word(yyscanner); }
+ YY_BREAK
+case 81:
+YY_RULE_SETUP
+{ return reserved_word(yyscanner); }
+ YY_BREAK
+case 82:
+YY_RULE_SETUP
+{ return reserved_word(yyscanner); }
+ YY_BREAK
+case 83:
+YY_RULE_SETUP
+{ return reserved_word(yyscanner); }
+ YY_BREAK
+case 84:
+YY_RULE_SETUP
+{ return reserved_word(yyscanner); }
+ YY_BREAK
+case 85:
+YY_RULE_SETUP
+{ return reserved_word(yyscanner); }
+ YY_BREAK
+case 86:
+YY_RULE_SETUP
+{ return reserved_word(yyscanner); }
+ YY_BREAK
+case 87:
+YY_RULE_SETUP
+{ return reserved_word(yyscanner); }
+ YY_BREAK
+case 88:
+YY_RULE_SETUP
+{ return reserved_word(yyscanner); }
+ YY_BREAK
+case 89:
+YY_RULE_SETUP
+{ return reserved_word(yyscanner); }
+ YY_BREAK
+case 90:
+YY_RULE_SETUP
+{ return reserved_word(yyscanner); }
+ YY_BREAK
+case 91:
+YY_RULE_SETUP
+{ return reserved_word(yyscanner); }
+ YY_BREAK
+case 92:
+YY_RULE_SETUP
+{ return reserved_word(yyscanner); }
+ YY_BREAK
+case 93:
+YY_RULE_SETUP
+{ return reserved_word(yyscanner); }
+ YY_BREAK
+case 94:
+YY_RULE_SETUP
+{ return reserved_word(yyscanner); }
+ YY_BREAK
+case 95:
+YY_RULE_SETUP
+{ return reserved_word(yyscanner); }
+ YY_BREAK
+case 96:
+YY_RULE_SETUP
+{ return reserved_word(yyscanner); }
+ YY_BREAK
+case 97:
+YY_RULE_SETUP
+{
+ yylval->lex.string = NewPoolTString(yytext);
+ return check_type(yyscanner);
+}
+ YY_BREAK
+case 98:
+YY_RULE_SETUP
+{ yylval->lex.i = strtol(yytext, 0, 0); return(INTCONSTANT); }
+ YY_BREAK
+case 99:
+YY_RULE_SETUP
+{ yylval->lex.i = strtol(yytext, 0, 0); return(INTCONSTANT); }
+ YY_BREAK
+case 100:
+YY_RULE_SETUP
+{ context->error(yylineno, "Invalid Octal number.", yytext); context->recover(); return 0;}
+ YY_BREAK
+case 101:
+YY_RULE_SETUP
+{ yylval->lex.i = strtol(yytext, 0, 0); return(INTCONSTANT); }
+ YY_BREAK
+case 102:
+YY_RULE_SETUP
+{ yylval->lex.f = static_cast<float>(atof_dot(yytext)); return(FLOATCONSTANT); }
+ YY_BREAK
+case 103:
+YY_RULE_SETUP
+{ yylval->lex.f = static_cast<float>(atof_dot(yytext)); return(FLOATCONSTANT); }
+ YY_BREAK
+case 104:
+YY_RULE_SETUP
+{ yylval->lex.f = static_cast<float>(atof_dot(yytext)); return(FLOATCONSTANT); }
+ YY_BREAK
+case 105:
+YY_RULE_SETUP
+{ return(ADD_ASSIGN); }
+ YY_BREAK
+case 106:
+YY_RULE_SETUP
+{ return(SUB_ASSIGN); }
+ YY_BREAK
+case 107:
+YY_RULE_SETUP
+{ return(MUL_ASSIGN); }
+ YY_BREAK
+case 108:
+YY_RULE_SETUP
+{ return(DIV_ASSIGN); }
+ YY_BREAK
+case 109:
+YY_RULE_SETUP
+{ return(MOD_ASSIGN); }
+ YY_BREAK
+case 110:
+YY_RULE_SETUP
+{ return(LEFT_ASSIGN); }
+ YY_BREAK
+case 111:
+YY_RULE_SETUP
+{ return(RIGHT_ASSIGN); }
+ YY_BREAK
+case 112:
+YY_RULE_SETUP
+{ return(AND_ASSIGN); }
+ YY_BREAK
+case 113:
+YY_RULE_SETUP
+{ return(XOR_ASSIGN); }
+ YY_BREAK
+case 114:
+YY_RULE_SETUP
+{ return(OR_ASSIGN); }
+ YY_BREAK
+case 115:
+YY_RULE_SETUP
+{ return(INC_OP); }
+ YY_BREAK
+case 116:
+YY_RULE_SETUP
+{ return(DEC_OP); }
+ YY_BREAK
+case 117:
+YY_RULE_SETUP
+{ return(AND_OP); }
+ YY_BREAK
+case 118:
+YY_RULE_SETUP
+{ return(OR_OP); }
+ YY_BREAK
+case 119:
+YY_RULE_SETUP
+{ return(XOR_OP); }
+ YY_BREAK
+case 120:
+YY_RULE_SETUP
+{ return(LE_OP); }
+ YY_BREAK
+case 121:
+YY_RULE_SETUP
+{ return(GE_OP); }
+ YY_BREAK
+case 122:
+YY_RULE_SETUP
+{ return(EQ_OP); }
+ YY_BREAK
+case 123:
+YY_RULE_SETUP
+{ return(NE_OP); }
+ YY_BREAK
+case 124:
+YY_RULE_SETUP
+{ return(LEFT_OP); }
+ YY_BREAK
+case 125:
+YY_RULE_SETUP
+{ return(RIGHT_OP); }
+ YY_BREAK
+case 126:
+YY_RULE_SETUP
+{ context->lexAfterType = false; return(SEMICOLON); }
+ YY_BREAK
+case 127:
+YY_RULE_SETUP
+{ context->lexAfterType = false; return(LEFT_BRACE); }
+ YY_BREAK
+case 128:
+YY_RULE_SETUP
+{ return(RIGHT_BRACE); }
+ YY_BREAK
+case 129:
+YY_RULE_SETUP
+{ if (context->inTypeParen) context->lexAfterType = false; return(COMMA); }
+ YY_BREAK
+case 130:
+YY_RULE_SETUP
+{ return(COLON); }
+ YY_BREAK
+case 131:
+YY_RULE_SETUP
+{ context->lexAfterType = false; return(EQUAL); }
+ YY_BREAK
+case 132:
+YY_RULE_SETUP
+{ context->lexAfterType = false; context->inTypeParen = true; return(LEFT_PAREN); }
+ YY_BREAK
+case 133:
+YY_RULE_SETUP
+{ context->inTypeParen = false; return(RIGHT_PAREN); }
+ YY_BREAK
+case 134:
+YY_RULE_SETUP
+{ return(LEFT_BRACKET); }
+ YY_BREAK
+case 135:
+YY_RULE_SETUP
+{ return(RIGHT_BRACKET); }
+ YY_BREAK
+case 136:
+YY_RULE_SETUP
+{ BEGIN(FIELDS); return(DOT); }
+ YY_BREAK
+case 137:
+YY_RULE_SETUP
+{ return(BANG); }
+ YY_BREAK
+case 138:
+YY_RULE_SETUP
+{ return(DASH); }
+ YY_BREAK
+case 139:
+YY_RULE_SETUP
+{ return(TILDE); }
+ YY_BREAK
+case 140:
+YY_RULE_SETUP
+{ return(PLUS); }
+ YY_BREAK
+case 141:
+YY_RULE_SETUP
+{ return(STAR); }
+ YY_BREAK
+case 142:
+YY_RULE_SETUP
+{ return(SLASH); }
+ YY_BREAK
+case 143:
+YY_RULE_SETUP
+{ return(PERCENT); }
+ YY_BREAK
+case 144:
+YY_RULE_SETUP
+{ return(LEFT_ANGLE); }
+ YY_BREAK
+case 145:
+YY_RULE_SETUP
+{ return(RIGHT_ANGLE); }
+ YY_BREAK
+case 146:
+YY_RULE_SETUP
+{ return(VERTICAL_BAR); }
+ YY_BREAK
+case 147:
+YY_RULE_SETUP
+{ return(CARET); }
+ YY_BREAK
+case 148:
+YY_RULE_SETUP
+{ return(AMPERSAND); }
+ YY_BREAK
+case 149:
+YY_RULE_SETUP
+{ return(QUESTION); }
+ YY_BREAK
+case 150:
+YY_RULE_SETUP
+{
+ BEGIN(INITIAL);
+ yylval->lex.string = NewPoolTString(yytext);
+ return FIELD_SELECTION;
+}
+ YY_BREAK
+case 151:
+YY_RULE_SETUP
+{}
+ YY_BREAK
+case 152:
+/* rule 152 can match eol */
+YY_RULE_SETUP
+{ }
+ YY_BREAK
+case YY_STATE_EOF(INITIAL):
+case YY_STATE_EOF(COMMENT):
+case YY_STATE_EOF(FIELDS):
+{ context->AfterEOF = true; yyterminate(); }
+ YY_BREAK
+case 153:
+YY_RULE_SETUP
+{ context->warning(yylineno, "Unknown char", yytext, ""); return 0; }
+ YY_BREAK
+case 154:
+YY_RULE_SETUP
+ECHO;
+ YY_BREAK
+
+ case YY_END_OF_BUFFER:
+ {
+ /* Amount of text matched not including the EOB char. */
+ int yy_amount_of_matched_text = (int) (yy_cp - yyg->yytext_ptr) - 1;
+
+ /* Undo the effects of YY_DO_BEFORE_ACTION. */
+ *yy_cp = yyg->yy_hold_char;
+ YY_RESTORE_YY_MORE_OFFSET
+
+ if ( YY_CURRENT_BUFFER_LVALUE->yy_buffer_status == YY_BUFFER_NEW )
+ {
+ /* We're scanning a new file or input source. It's
+ * possible that this happened because the user
+ * just pointed yyin at a new source and called
+ * yylex(). If so, then we have to assure
+ * consistency between YY_CURRENT_BUFFER and our
+ * globals. Here is the right place to do so, because
+ * this is the first action (other than possibly a
+ * back-up) that will match for the new input source.
+ */
+ yyg->yy_n_chars = YY_CURRENT_BUFFER_LVALUE->yy_n_chars;
+ YY_CURRENT_BUFFER_LVALUE->yy_input_file = yyin;
+ YY_CURRENT_BUFFER_LVALUE->yy_buffer_status = YY_BUFFER_NORMAL;
+ }
+
+ /* Note that here we test for yy_c_buf_p "<=" to the position
+ * of the first EOB in the buffer, since yy_c_buf_p will
+ * already have been incremented past the NUL character
+ * (since all states make transitions on EOB to the
+ * end-of-buffer state). Contrast this with the test
+ * in input().
+ */
+ if ( yyg->yy_c_buf_p <= &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[yyg->yy_n_chars] )
+ { /* This was really a NUL. */
+ yy_state_type yy_next_state;
+
+ yyg->yy_c_buf_p = yyg->yytext_ptr + yy_amount_of_matched_text;
+
+ yy_current_state = yy_get_previous_state( yyscanner );
+
+ /* Okay, we're now positioned to make the NUL
+ * transition. We couldn't have
+ * yy_get_previous_state() go ahead and do it
+ * for us because it doesn't know how to deal
+ * with the possibility of jamming (and we don't
+ * want to build jamming into it because then it
+ * will run more slowly).
+ */
+
+ yy_next_state = yy_try_NUL_trans( yy_current_state , yyscanner);
+
+ yy_bp = yyg->yytext_ptr + YY_MORE_ADJ;
+
+ if ( yy_next_state )
+ {
+ /* Consume the NUL. */
+ yy_cp = ++yyg->yy_c_buf_p;
+ yy_current_state = yy_next_state;
+ goto yy_match;
+ }
+
+ else
+ {
+ yy_cp = yyg->yy_last_accepting_cpos;
+ yy_current_state = yyg->yy_last_accepting_state;
+ goto yy_find_action;
+ }
+ }
+
+ else switch ( yy_get_next_buffer( yyscanner ) )
+ {
+ case EOB_ACT_END_OF_FILE:
+ {
+ yyg->yy_did_buffer_switch_on_eof = 0;
+
+ if ( yywrap(yyscanner ) )
+ {
+ /* Note: because we've taken care in
+ * yy_get_next_buffer() to have set up
+ * yytext, we can now set up
+ * yy_c_buf_p so that if some total
+ * hoser (like flex itself) wants to
+ * call the scanner after we return the
+ * YY_NULL, it'll still work - another
+ * YY_NULL will get returned.
+ */
+ yyg->yy_c_buf_p = yyg->yytext_ptr + YY_MORE_ADJ;
+
+ yy_act = YY_STATE_EOF(YY_START);
+ goto do_action;
+ }
+
+ else
+ {
+ if ( ! yyg->yy_did_buffer_switch_on_eof )
+ YY_NEW_FILE;
+ }
+ break;
+ }
+
+ case EOB_ACT_CONTINUE_SCAN:
+ yyg->yy_c_buf_p =
+ yyg->yytext_ptr + yy_amount_of_matched_text;
+
+ yy_current_state = yy_get_previous_state( yyscanner );
+
+ yy_cp = yyg->yy_c_buf_p;
+ yy_bp = yyg->yytext_ptr + YY_MORE_ADJ;
+ goto yy_match;
+
+ case EOB_ACT_LAST_MATCH:
+ yyg->yy_c_buf_p =
+ &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[yyg->yy_n_chars];
+
+ yy_current_state = yy_get_previous_state( yyscanner );
+
+ yy_cp = yyg->yy_c_buf_p;
+ yy_bp = yyg->yytext_ptr + YY_MORE_ADJ;
+ goto yy_find_action;
+ }
+ break;
+ }
+
+ default:
+ YY_FATAL_ERROR(
+ "fatal flex scanner internal error--no action found" );
+ } /* end of action switch */
+ } /* end of scanning one token */
+} /* end of yylex */
+
+/* yy_get_next_buffer - try to read in a new buffer
+ *
+ * Returns a code representing an action:
+ * EOB_ACT_LAST_MATCH -
+ * EOB_ACT_CONTINUE_SCAN - continue scanning from current position
+ * EOB_ACT_END_OF_FILE - end of file
+ */
+static int yy_get_next_buffer (yyscan_t yyscanner)
+{
+ struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
+ register char *dest = YY_CURRENT_BUFFER_LVALUE->yy_ch_buf;
+ register char *source = yyg->yytext_ptr;
+ register int number_to_move, i;
+ int ret_val;
+
+ if ( yyg->yy_c_buf_p > &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[yyg->yy_n_chars + 1] )
+ YY_FATAL_ERROR(
+ "fatal flex scanner internal error--end of buffer missed" );
+
+ if ( YY_CURRENT_BUFFER_LVALUE->yy_fill_buffer == 0 )
+ { /* Don't try to fill the buffer, so this is an EOF. */
+ if ( yyg->yy_c_buf_p - yyg->yytext_ptr - YY_MORE_ADJ == 1 )
+ {
+ /* We matched a single character, the EOB, so
+ * treat this as a final EOF.
+ */
+ return EOB_ACT_END_OF_FILE;
+ }
+
+ else
+ {
+ /* We matched some text prior to the EOB, first
+ * process it.
+ */
+ return EOB_ACT_LAST_MATCH;
+ }
+ }
+
+ /* Try to read more data. */
+
+ /* First move last chars to start of buffer. */
+ number_to_move = (int) (yyg->yy_c_buf_p - yyg->yytext_ptr) - 1;
+
+ for ( i = 0; i < number_to_move; ++i )
+ *(dest++) = *(source++);
+
+ if ( YY_CURRENT_BUFFER_LVALUE->yy_buffer_status == YY_BUFFER_EOF_PENDING )
+ /* don't do the read, it's not guaranteed to return an EOF,
+ * just force an EOF
+ */
+ YY_CURRENT_BUFFER_LVALUE->yy_n_chars = yyg->yy_n_chars = 0;
+
+ else
+ {
+ int num_to_read =
+ YY_CURRENT_BUFFER_LVALUE->yy_buf_size - number_to_move - 1;
+
+ while ( num_to_read <= 0 )
+ { /* Not enough room in the buffer - grow it. */
+
+ /* just a shorter name for the current buffer */
+ YY_BUFFER_STATE b = YY_CURRENT_BUFFER;
+
+ int yy_c_buf_p_offset =
+ (int) (yyg->yy_c_buf_p - b->yy_ch_buf);
+
+ if ( b->yy_is_our_buffer )
+ {
+ int new_size = b->yy_buf_size * 2;
+
+ if ( new_size <= 0 )
+ b->yy_buf_size += b->yy_buf_size / 8;
+ else
+ b->yy_buf_size *= 2;
+
+ b->yy_ch_buf = (char *)
+ /* Include room in for 2 EOB chars. */
+ yyrealloc((void *) b->yy_ch_buf,b->yy_buf_size + 2 ,yyscanner );
+ }
+ else
+ /* Can't grow it, we don't own it. */
+ b->yy_ch_buf = 0;
+
+ if ( ! b->yy_ch_buf )
+ YY_FATAL_ERROR(
+ "fatal error - scanner input buffer overflow" );
+
+ yyg->yy_c_buf_p = &b->yy_ch_buf[yy_c_buf_p_offset];
+
+ num_to_read = YY_CURRENT_BUFFER_LVALUE->yy_buf_size -
+ number_to_move - 1;
+
+ }
+
+ if ( num_to_read > YY_READ_BUF_SIZE )
+ num_to_read = YY_READ_BUF_SIZE;
+
+ /* Read in more data. */
+ YY_INPUT( (&YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[number_to_move]),
+ yyg->yy_n_chars, (size_t) num_to_read );
+
+ YY_CURRENT_BUFFER_LVALUE->yy_n_chars = yyg->yy_n_chars;
+ }
+
+ if ( yyg->yy_n_chars == 0 )
+ {
+ if ( number_to_move == YY_MORE_ADJ )
+ {
+ ret_val = EOB_ACT_END_OF_FILE;
+ yyrestart(yyin ,yyscanner);
+ }
+
+ else
+ {
+ ret_val = EOB_ACT_LAST_MATCH;
+ YY_CURRENT_BUFFER_LVALUE->yy_buffer_status =
+ YY_BUFFER_EOF_PENDING;
+ }
+ }
+
+ else
+ ret_val = EOB_ACT_CONTINUE_SCAN;
+
+ if ((yy_size_t) (yyg->yy_n_chars + number_to_move) > YY_CURRENT_BUFFER_LVALUE->yy_buf_size) {
+ /* Extend the array by 50%, plus the number we really need. */
+ yy_size_t new_size = yyg->yy_n_chars + number_to_move + (yyg->yy_n_chars >> 1);
+ YY_CURRENT_BUFFER_LVALUE->yy_ch_buf = (char *) yyrealloc((void *) YY_CURRENT_BUFFER_LVALUE->yy_ch_buf,new_size ,yyscanner );
+ if ( ! YY_CURRENT_BUFFER_LVALUE->yy_ch_buf )
+ YY_FATAL_ERROR( "out of dynamic memory in yy_get_next_buffer()" );
+ }
+
+ yyg->yy_n_chars += number_to_move;
+ YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[yyg->yy_n_chars] = YY_END_OF_BUFFER_CHAR;
+ YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[yyg->yy_n_chars + 1] = YY_END_OF_BUFFER_CHAR;
+
+ yyg->yytext_ptr = &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[0];
+
+ return ret_val;
+}
+
+/* yy_get_previous_state - get the state just before the EOB char was reached */
+
+ static yy_state_type yy_get_previous_state (yyscan_t yyscanner)
+{
+ register yy_state_type yy_current_state;
+ register char *yy_cp;
+ struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
+
+ yy_current_state = yyg->yy_start;
+
+ for ( yy_cp = yyg->yytext_ptr + YY_MORE_ADJ; yy_cp < yyg->yy_c_buf_p; ++yy_cp )
+ {
+ register YY_CHAR yy_c = (*yy_cp ? yy_ec[YY_SC_TO_UI(*yy_cp)] : 1);
+ if ( yy_accept[yy_current_state] )
+ {
+ yyg->yy_last_accepting_state = yy_current_state;
+ yyg->yy_last_accepting_cpos = yy_cp;
+ }
+ while ( yy_chk[yy_base[yy_current_state] + yy_c] != yy_current_state )
+ {
+ yy_current_state = (int) yy_def[yy_current_state];
+ if ( yy_current_state >= 448 )
+ yy_c = yy_meta[(unsigned int) yy_c];
+ }
+ yy_current_state = yy_nxt[yy_base[yy_current_state] + (unsigned int) yy_c];
+ }
+
+ return yy_current_state;
+}
+
+/* yy_try_NUL_trans - try to make a transition on the NUL character
+ *
+ * synopsis
+ * next_state = yy_try_NUL_trans( current_state );
+ */
+ static yy_state_type yy_try_NUL_trans (yy_state_type yy_current_state , yyscan_t yyscanner)
+{
+ register int yy_is_jam;
+ struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; /* This var may be unused depending upon options. */
+ register char *yy_cp = yyg->yy_c_buf_p;
+
+ register YY_CHAR yy_c = 1;
+ if ( yy_accept[yy_current_state] )
+ {
+ yyg->yy_last_accepting_state = yy_current_state;
+ yyg->yy_last_accepting_cpos = yy_cp;
+ }
+ while ( yy_chk[yy_base[yy_current_state] + yy_c] != yy_current_state )
+ {
+ yy_current_state = (int) yy_def[yy_current_state];
+ if ( yy_current_state >= 448 )
+ yy_c = yy_meta[(unsigned int) yy_c];
+ }
+ yy_current_state = yy_nxt[yy_base[yy_current_state] + (unsigned int) yy_c];
+ yy_is_jam = (yy_current_state == 447);
+
+ return yy_is_jam ? 0 : yy_current_state;
+}
+
+#ifndef YY_NO_INPUT
+#ifdef __cplusplus
+ static int yyinput (yyscan_t yyscanner)
+#else
+ static int input (yyscan_t yyscanner)
+#endif
+
+{
+ int c;
+ struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
+
+ *yyg->yy_c_buf_p = yyg->yy_hold_char;
+
+ if ( *yyg->yy_c_buf_p == YY_END_OF_BUFFER_CHAR )
+ {
+ /* yy_c_buf_p now points to the character we want to return.
+ * If this occurs *before* the EOB characters, then it's a
+ * valid NUL; if not, then we've hit the end of the buffer.
+ */
+ if ( yyg->yy_c_buf_p < &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[yyg->yy_n_chars] )
+ /* This was really a NUL. */
+ *yyg->yy_c_buf_p = '\0';
+
+ else
+ { /* need more input */
+ int offset = yyg->yy_c_buf_p - yyg->yytext_ptr;
+ ++yyg->yy_c_buf_p;
+
+ switch ( yy_get_next_buffer( yyscanner ) )
+ {
+ case EOB_ACT_LAST_MATCH:
+ /* This happens because yy_g_n_b()
+ * sees that we've accumulated a
+ * token and flags that we need to
+ * try matching the token before
+ * proceeding. But for input(),
+ * there's no matching to consider.
+ * So convert the EOB_ACT_LAST_MATCH
+ * to EOB_ACT_END_OF_FILE.
+ */
+
+ /* Reset buffer status. */
+ yyrestart(yyin ,yyscanner);
+
+ /*FALLTHROUGH*/
+
+ case EOB_ACT_END_OF_FILE:
+ {
+ if ( yywrap(yyscanner ) )
+ return EOF;
+
+ if ( ! yyg->yy_did_buffer_switch_on_eof )
+ YY_NEW_FILE;
+#ifdef __cplusplus
+ return yyinput(yyscanner);
+#else
+ return input(yyscanner);
+#endif
+ }
+
+ case EOB_ACT_CONTINUE_SCAN:
+ yyg->yy_c_buf_p = yyg->yytext_ptr + offset;
+ break;
+ }
+ }
+ }
+
+ c = *(unsigned char *) yyg->yy_c_buf_p; /* cast for 8-bit char's */
+ *yyg->yy_c_buf_p = '\0'; /* preserve yytext */
+ yyg->yy_hold_char = *++yyg->yy_c_buf_p;
+
+ if ( c == '\n' )
+
+ do{ yylineno++;
+ yycolumn=0;
+ }while(0)
+;
+
+ return c;
+}
+#endif /* ifndef YY_NO_INPUT */
+
+/** Immediately switch to a different input stream.
+ * @param input_file A readable stream.
+ * @param yyscanner The scanner object.
+ * @note This function does not reset the start condition to @c INITIAL .
+ */
+ void yyrestart (FILE * input_file , yyscan_t yyscanner)
+{
+ struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
+
+ if ( ! YY_CURRENT_BUFFER ){
+ yyensure_buffer_stack (yyscanner);
+ YY_CURRENT_BUFFER_LVALUE =
+ yy_create_buffer(yyin,YY_BUF_SIZE ,yyscanner);
+ }
+
+ yy_init_buffer(YY_CURRENT_BUFFER,input_file ,yyscanner);
+ yy_load_buffer_state(yyscanner );
+}
+
+/** Switch to a different input buffer.
+ * @param new_buffer The new input buffer.
+ * @param yyscanner The scanner object.
+ */
+ void yy_switch_to_buffer (YY_BUFFER_STATE new_buffer , yyscan_t yyscanner)
+{
+ struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
+
+ /* TODO. We should be able to replace this entire function body
+ * with
+ * yypop_buffer_state();
+ * yypush_buffer_state(new_buffer);
+ */
+ yyensure_buffer_stack (yyscanner);
+ if ( YY_CURRENT_BUFFER == new_buffer )
+ return;
+
+ if ( YY_CURRENT_BUFFER )
+ {
+ /* Flush out information for old buffer. */
+ *yyg->yy_c_buf_p = yyg->yy_hold_char;
+ YY_CURRENT_BUFFER_LVALUE->yy_buf_pos = yyg->yy_c_buf_p;
+ YY_CURRENT_BUFFER_LVALUE->yy_n_chars = yyg->yy_n_chars;
+ }
+
+ YY_CURRENT_BUFFER_LVALUE = new_buffer;
+ yy_load_buffer_state(yyscanner );
+
+ /* We don't actually know whether we did this switch during
+ * EOF (yywrap()) processing, but the only time this flag
+ * is looked at is after yywrap() is called, so it's safe
+ * to go ahead and always set it.
+ */
+ yyg->yy_did_buffer_switch_on_eof = 1;
+}
+
+static void yy_load_buffer_state (yyscan_t yyscanner)
+{
+ struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
+ yyg->yy_n_chars = YY_CURRENT_BUFFER_LVALUE->yy_n_chars;
+ yyg->yytext_ptr = yyg->yy_c_buf_p = YY_CURRENT_BUFFER_LVALUE->yy_buf_pos;
+ yyin = YY_CURRENT_BUFFER_LVALUE->yy_input_file;
+ yyg->yy_hold_char = *yyg->yy_c_buf_p;
+}
+
+/** Allocate and initialize an input buffer state.
+ * @param file A readable stream.
+ * @param size The character buffer size in bytes. When in doubt, use @c YY_BUF_SIZE.
+ * @param yyscanner The scanner object.
+ * @return the allocated buffer state.
+ */
+ YY_BUFFER_STATE yy_create_buffer (FILE * file, int size , yyscan_t yyscanner)
+{
+ YY_BUFFER_STATE b;
+
+ b = (YY_BUFFER_STATE) yyalloc(sizeof( struct yy_buffer_state ) ,yyscanner );
+ if ( ! b )
+ YY_FATAL_ERROR( "out of dynamic memory in yy_create_buffer()" );
+
+ b->yy_buf_size = size;
+
+ /* yy_ch_buf has to be 2 characters longer than the size given because
+ * we need to put in 2 end-of-buffer characters.
+ */
+ b->yy_ch_buf = (char *) yyalloc(b->yy_buf_size + 2 ,yyscanner );
+ if ( ! b->yy_ch_buf )
+ YY_FATAL_ERROR( "out of dynamic memory in yy_create_buffer()" );
+
+ b->yy_is_our_buffer = 1;
+
+ yy_init_buffer(b,file ,yyscanner);
+
+ return b;
+}
+
+/** Destroy the buffer.
+ * @param b a buffer created with yy_create_buffer()
+ * @param yyscanner The scanner object.
+ */
+ void yy_delete_buffer (YY_BUFFER_STATE b , yyscan_t yyscanner)
+{
+ struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
+
+ if ( ! b )
+ return;
+
+ if ( b == YY_CURRENT_BUFFER ) /* Not sure if we should pop here. */
+ YY_CURRENT_BUFFER_LVALUE = (YY_BUFFER_STATE) 0;
+
+ if ( b->yy_is_our_buffer )
+ yyfree((void *) b->yy_ch_buf ,yyscanner );
+
+ yyfree((void *) b ,yyscanner );
+}
+
+/* Initializes or reinitializes a buffer.
+ * This function is sometimes called more than once on the same buffer,
+ * such as during a yyrestart() or at EOF.
+ */
+ static void yy_init_buffer (YY_BUFFER_STATE b, FILE * file , yyscan_t yyscanner)
+
+{
+ int oerrno = errno;
+ struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
+
+ yy_flush_buffer(b ,yyscanner);
+
+ b->yy_input_file = file;
+ b->yy_fill_buffer = 1;
+
+ /* If b is the current buffer, then yy_init_buffer was _probably_
+ * called from yyrestart() or through yy_get_next_buffer.
+ * In that case, we don't want to reset the lineno or column.
+ */
+ if (b != YY_CURRENT_BUFFER){
+ b->yy_bs_lineno = 1;
+ b->yy_bs_column = 0;
+ }
+
+ b->yy_is_interactive = 0;
+
+ errno = oerrno;
+}
+
+/** Discard all buffered characters. On the next scan, YY_INPUT will be called.
+ * @param b the buffer state to be flushed, usually @c YY_CURRENT_BUFFER.
+ * @param yyscanner The scanner object.
+ */
+ void yy_flush_buffer (YY_BUFFER_STATE b , yyscan_t yyscanner)
+{
+ struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
+ if ( ! b )
+ return;
+
+ b->yy_n_chars = 0;
+
+ /* We always need two end-of-buffer characters. The first causes
+ * a transition to the end-of-buffer state. The second causes
+ * a jam in that state.
+ */
+ b->yy_ch_buf[0] = YY_END_OF_BUFFER_CHAR;
+ b->yy_ch_buf[1] = YY_END_OF_BUFFER_CHAR;
+
+ b->yy_buf_pos = &b->yy_ch_buf[0];
+
+ b->yy_at_bol = 1;
+ b->yy_buffer_status = YY_BUFFER_NEW;
+
+ if ( b == YY_CURRENT_BUFFER )
+ yy_load_buffer_state(yyscanner );
+}
+
+/** Pushes the new state onto the stack. The new state becomes
+ * the current state. This function will allocate the stack
+ * if necessary.
+ * @param new_buffer The new state.
+ * @param yyscanner The scanner object.
+ */
+void yypush_buffer_state (YY_BUFFER_STATE new_buffer , yyscan_t yyscanner)
+{
+ struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
+ if (new_buffer == NULL)
+ return;
+
+ yyensure_buffer_stack(yyscanner);
+
+ /* This block is copied from yy_switch_to_buffer. */
+ if ( YY_CURRENT_BUFFER )
+ {
+ /* Flush out information for old buffer. */
+ *yyg->yy_c_buf_p = yyg->yy_hold_char;
+ YY_CURRENT_BUFFER_LVALUE->yy_buf_pos = yyg->yy_c_buf_p;
+ YY_CURRENT_BUFFER_LVALUE->yy_n_chars = yyg->yy_n_chars;
+ }
+
+ /* Only push if top exists. Otherwise, replace top. */
+ if (YY_CURRENT_BUFFER)
+ yyg->yy_buffer_stack_top++;
+ YY_CURRENT_BUFFER_LVALUE = new_buffer;
+
+ /* copied from yy_switch_to_buffer. */
+ yy_load_buffer_state(yyscanner );
+ yyg->yy_did_buffer_switch_on_eof = 1;
+}
+
+/** Removes and deletes the top of the stack, if present.
+ * The next element becomes the new top.
+ * @param yyscanner The scanner object.
+ */
+void yypop_buffer_state (yyscan_t yyscanner)
+{
+ struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
+ if (!YY_CURRENT_BUFFER)
+ return;
+
+ yy_delete_buffer(YY_CURRENT_BUFFER ,yyscanner);
+ YY_CURRENT_BUFFER_LVALUE = NULL;
+ if (yyg->yy_buffer_stack_top > 0)
+ --yyg->yy_buffer_stack_top;
+
+ if (YY_CURRENT_BUFFER) {
+ yy_load_buffer_state(yyscanner );
+ yyg->yy_did_buffer_switch_on_eof = 1;
+ }
+}
+
+/* Allocates the stack if it does not exist.
+ * Guarantees space for at least one push.
+ */
+static void yyensure_buffer_stack (yyscan_t yyscanner)
+{
+ int num_to_alloc;
+ struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
+
+ if (!yyg->yy_buffer_stack) {
+
+ /* First allocation is just for 2 elements, since we don't know if this
+ * scanner will even need a stack. We use 2 instead of 1 to avoid an
+ * immediate realloc on the next call.
+ */
+ num_to_alloc = 1;
+ yyg->yy_buffer_stack = (struct yy_buffer_state**)yyalloc
+ (num_to_alloc * sizeof(struct yy_buffer_state*)
+ , yyscanner);
+ if ( ! yyg->yy_buffer_stack )
+ YY_FATAL_ERROR( "out of dynamic memory in yyensure_buffer_stack()" );
+
+ memset(yyg->yy_buffer_stack, 0, num_to_alloc * sizeof(struct yy_buffer_state*));
+
+ yyg->yy_buffer_stack_max = num_to_alloc;
+ yyg->yy_buffer_stack_top = 0;
+ return;
+ }
+
+ if (yyg->yy_buffer_stack_top >= (yyg->yy_buffer_stack_max) - 1){
+
+ /* Increase the buffer to prepare for a possible push. */
+ int grow_size = 8 /* arbitrary grow size */;
+
+ num_to_alloc = yyg->yy_buffer_stack_max + grow_size;
+ yyg->yy_buffer_stack = (struct yy_buffer_state**)yyrealloc
+ (yyg->yy_buffer_stack,
+ num_to_alloc * sizeof(struct yy_buffer_state*)
+ , yyscanner);
+ if ( ! yyg->yy_buffer_stack )
+ YY_FATAL_ERROR( "out of dynamic memory in yyensure_buffer_stack()" );
+
+ /* zero only the new slots.*/
+ memset(yyg->yy_buffer_stack + yyg->yy_buffer_stack_max, 0, grow_size * sizeof(struct yy_buffer_state*));
+ yyg->yy_buffer_stack_max = num_to_alloc;
+ }
+}
+
+/** Setup the input buffer state to scan directly from a user-specified character buffer.
+ * @param base the character buffer
+ * @param size the size in bytes of the character buffer
+ * @param yyscanner The scanner object.
+ * @return the newly allocated buffer state object.
+ */
+YY_BUFFER_STATE yy_scan_buffer (char * base, yy_size_t size , yyscan_t yyscanner)
+{
+ YY_BUFFER_STATE b;
+
+ if ( size < 2 ||
+ base[size-2] != YY_END_OF_BUFFER_CHAR ||
+ base[size-1] != YY_END_OF_BUFFER_CHAR )
+ /* They forgot to leave room for the EOB's. */
+ return 0;
+
+ b = (YY_BUFFER_STATE) yyalloc(sizeof( struct yy_buffer_state ) ,yyscanner );
+ if ( ! b )
+ YY_FATAL_ERROR( "out of dynamic memory in yy_scan_buffer()" );
+
+ b->yy_buf_size = size - 2; /* "- 2" to take care of EOB's */
+ b->yy_buf_pos = b->yy_ch_buf = base;
+ b->yy_is_our_buffer = 0;
+ b->yy_input_file = 0;
+ b->yy_n_chars = b->yy_buf_size;
+ b->yy_is_interactive = 0;
+ b->yy_at_bol = 1;
+ b->yy_fill_buffer = 0;
+ b->yy_buffer_status = YY_BUFFER_NEW;
+
+ yy_switch_to_buffer(b ,yyscanner );
+
+ return b;
+}
+
+/** Setup the input buffer state to scan a string. The next call to yylex() will
+ * scan from a @e copy of @a str.
+ * @param yystr a NUL-terminated string to scan
+ * @param yyscanner The scanner object.
+ * @return the newly allocated buffer state object.
+ * @note If you want to scan bytes that may contain NUL values, then use
+ * yy_scan_bytes() instead.
+ */
+YY_BUFFER_STATE yy_scan_string (yyconst char * yystr , yyscan_t yyscanner)
+{
+
+ return yy_scan_bytes(yystr,strlen(yystr) ,yyscanner);
+}
+
+/** Setup the input buffer state to scan the given bytes. The next call to yylex() will
+ * scan from a @e copy of @a bytes.
+ * @param bytes the byte buffer to scan
+ * @param len the number of bytes in the buffer pointed to by @a bytes.
+ * @param yyscanner The scanner object.
+ * @return the newly allocated buffer state object.
+ */
+YY_BUFFER_STATE yy_scan_bytes (yyconst char * yybytes, int _yybytes_len , yyscan_t yyscanner)
+{
+ YY_BUFFER_STATE b;
+ char *buf;
+ yy_size_t n;
+ int i;
+
+ /* Get memory for full buffer, including space for trailing EOB's. */
+ n = _yybytes_len + 2;
+ buf = (char *) yyalloc(n ,yyscanner );
+ if ( ! buf )
+ YY_FATAL_ERROR( "out of dynamic memory in yy_scan_bytes()" );
+
+ for ( i = 0; i < _yybytes_len; ++i )
+ buf[i] = yybytes[i];
+
+ buf[_yybytes_len] = buf[_yybytes_len+1] = YY_END_OF_BUFFER_CHAR;
+
+ b = yy_scan_buffer(buf,n ,yyscanner);
+ if ( ! b )
+ YY_FATAL_ERROR( "bad buffer in yy_scan_bytes()" );
+
+ /* It's okay to grow etc. this buffer, and we should throw it
+ * away when we're done.
+ */
+ b->yy_is_our_buffer = 1;
+
+ return b;
+}
+
+ static void yy_push_state (int new_state , yyscan_t yyscanner)
+{
+ struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
+ if ( yyg->yy_start_stack_ptr >= yyg->yy_start_stack_depth )
+ {
+ yy_size_t new_size;
+
+ yyg->yy_start_stack_depth += YY_START_STACK_INCR;
+ new_size = yyg->yy_start_stack_depth * sizeof( int );
+
+ if ( ! yyg->yy_start_stack )
+ yyg->yy_start_stack = (int *) yyalloc(new_size ,yyscanner );
+
+ else
+ yyg->yy_start_stack = (int *) yyrealloc((void *) yyg->yy_start_stack,new_size ,yyscanner );
+
+ if ( ! yyg->yy_start_stack )
+ YY_FATAL_ERROR( "out of memory expanding start-condition stack" );
+ }
+
+ yyg->yy_start_stack[yyg->yy_start_stack_ptr++] = YY_START;
+
+ BEGIN(new_state);
+}
+
+ static void yy_pop_state (yyscan_t yyscanner)
+{
+ struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
+ if ( --yyg->yy_start_stack_ptr < 0 )
+ YY_FATAL_ERROR( "start-condition stack underflow" );
+
+ BEGIN(yyg->yy_start_stack[yyg->yy_start_stack_ptr]);
+}
+
+ static int yy_top_state (yyscan_t yyscanner)
+{
+ struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
+ return yyg->yy_start_stack[yyg->yy_start_stack_ptr - 1];
+}
+
+#ifndef YY_EXIT_FAILURE
+#define YY_EXIT_FAILURE 2
+#endif
+
+static void yy_fatal_error (yyconst char* msg , yyscan_t yyscanner)
+{
+ (void) fprintf( stderr, "%s\n", msg );
+ exit( YY_EXIT_FAILURE );
+}
+
+/* Redefine yyless() so it works in section 3 code. */
+
+#undef yyless
+#define yyless(n) \
+ do \
+ { \
+ /* Undo effects of setting up yytext. */ \
+ int yyless_macro_arg = (n); \
+ YY_LESS_LINENO(yyless_macro_arg);\
+ yytext[yyleng] = yyg->yy_hold_char; \
+ yyg->yy_c_buf_p = yytext + yyless_macro_arg; \
+ yyg->yy_hold_char = *yyg->yy_c_buf_p; \
+ *yyg->yy_c_buf_p = '\0'; \
+ yyleng = yyless_macro_arg; \
+ } \
+ while ( 0 )
+
+/* Accessor methods (get/set functions) to struct members. */
+
+/** Get the user-defined data for this scanner.
+ * @param yyscanner The scanner object.
+ */
+YY_EXTRA_TYPE yyget_extra (yyscan_t yyscanner)
+{
+ struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
+ return yyextra;
+}
+
+/** Get the current line number.
+ * @param yyscanner The scanner object.
+ */
+int yyget_lineno (yyscan_t yyscanner)
+{
+ struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
+
+ if (! YY_CURRENT_BUFFER)
+ return 0;
+
+ return yylineno;
+}
+
+/** Get the current column number.
+ * @param yyscanner The scanner object.
+ */
+int yyget_column (yyscan_t yyscanner)
+{
+ struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
+
+ if (! YY_CURRENT_BUFFER)
+ return 0;
+
+ return yycolumn;
+}
+
+/** Get the input stream.
+ * @param yyscanner The scanner object.
+ */
+FILE *yyget_in (yyscan_t yyscanner)
+{
+ struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
+ return yyin;
+}
+
+/** Get the output stream.
+ * @param yyscanner The scanner object.
+ */
+FILE *yyget_out (yyscan_t yyscanner)
+{
+ struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
+ return yyout;
+}
+
+/** Get the length of the current token.
+ * @param yyscanner The scanner object.
+ */
+int yyget_leng (yyscan_t yyscanner)
+{
+ struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
+ return yyleng;
+}
+
+/** Get the current token.
+ * @param yyscanner The scanner object.
+ */
+
+char *yyget_text (yyscan_t yyscanner)
+{
+ struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
+ return yytext;
+}
+
+/** Set the user-defined data. This data is never touched by the scanner.
+ * @param user_defined The data to be associated with this scanner.
+ * @param yyscanner The scanner object.
+ */
+void yyset_extra (YY_EXTRA_TYPE user_defined , yyscan_t yyscanner)
+{
+ struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
+ yyextra = user_defined ;
+}
+
+/** Set the current line number.
+ * @param line_number
+ * @param yyscanner The scanner object.
+ */
+void yyset_lineno (int line_number , yyscan_t yyscanner)
+{
+ struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
+
+ /* lineno is only valid if an input buffer exists. */
+ if (! YY_CURRENT_BUFFER )
+ yy_fatal_error( "yyset_lineno called with no buffer" , yyscanner);
+
+ yylineno = line_number;
+}
+
+/** Set the current column.
+ * @param line_number
+ * @param yyscanner The scanner object.
+ */
+void yyset_column (int column_no , yyscan_t yyscanner)
+{
+ struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
+
+ /* column is only valid if an input buffer exists. */
+ if (! YY_CURRENT_BUFFER )
+ yy_fatal_error( "yyset_column called with no buffer" , yyscanner);
+
+ yycolumn = column_no;
+}
+
+/** Set the input stream. This does not discard the current
+ * input buffer.
+ * @param in_str A readable stream.
+ * @param yyscanner The scanner object.
+ * @see yy_switch_to_buffer
+ */
+void yyset_in (FILE * in_str , yyscan_t yyscanner)
+{
+ struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
+ yyin = in_str ;
+}
+
+void yyset_out (FILE * out_str , yyscan_t yyscanner)
+{
+ struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
+ yyout = out_str ;
+}
+
+int yyget_debug (yyscan_t yyscanner)
+{
+ struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
+ return yy_flex_debug;
+}
+
+void yyset_debug (int bdebug , yyscan_t yyscanner)
+{
+ struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
+ yy_flex_debug = bdebug ;
+}
+
+/* Accessor methods for yylval and yylloc */
+
+YYSTYPE * yyget_lval (yyscan_t yyscanner)
+{
+ struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
+ return yylval;
+}
+
+void yyset_lval (YYSTYPE * yylval_param , yyscan_t yyscanner)
+{
+ struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
+ yylval = yylval_param;
+}
+
+/* User-visible API */
+
+/* yylex_init is special because it creates the scanner itself, so it is
+ * the ONLY reentrant function that doesn't take the scanner as the last argument.
+ * That's why we explicitly handle the declaration, instead of using our macros.
+ */
+
+int yylex_init(yyscan_t* ptr_yy_globals)
+
+{
+ if (ptr_yy_globals == NULL){
+ errno = EINVAL;
+ return 1;
+ }
+
+ *ptr_yy_globals = (yyscan_t) yyalloc ( sizeof( struct yyguts_t ), NULL );
+
+ if (*ptr_yy_globals == NULL){
+ errno = ENOMEM;
+ return 1;
+ }
+
+ /* By setting to 0xAA, we expose bugs in yy_init_globals. Leave at 0x00 for releases. */
+ memset(*ptr_yy_globals,0x00,sizeof(struct yyguts_t));
+
+ return yy_init_globals ( *ptr_yy_globals );
+}
+
+/* yylex_init_extra has the same functionality as yylex_init, but follows the
+ * convention of taking the scanner as the last argument. Note however, that
+ * this is a *pointer* to a scanner, as it will be allocated by this call (and
+ * is the reason, too, why this function also must handle its own declaration).
+ * The user defined value in the first argument will be available to yyalloc in
+ * the yyextra field.
+ */
+
+int yylex_init_extra(YY_EXTRA_TYPE yy_user_defined,yyscan_t* ptr_yy_globals )
+
+{
+ struct yyguts_t dummy_yyguts;
+
+ yyset_extra (yy_user_defined, &dummy_yyguts);
+
+ if (ptr_yy_globals == NULL){
+ errno = EINVAL;
+ return 1;
+ }
+
+ *ptr_yy_globals = (yyscan_t) yyalloc ( sizeof( struct yyguts_t ), &dummy_yyguts );
+
+ if (*ptr_yy_globals == NULL){
+ errno = ENOMEM;
+ return 1;
+ }
+
+ /* By setting to 0xAA, we expose bugs in
+ yy_init_globals. Leave at 0x00 for releases. */
+ memset(*ptr_yy_globals,0x00,sizeof(struct yyguts_t));
+
+ yyset_extra (yy_user_defined, *ptr_yy_globals);
+
+ return yy_init_globals ( *ptr_yy_globals );
+}
+
+static int yy_init_globals (yyscan_t yyscanner)
+{
+ struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
+ /* Initialization is the same as for the non-reentrant scanner.
+ * This function is called from yylex_destroy(), so don't allocate here.
+ */
+
+ yyg->yy_buffer_stack = 0;
+ yyg->yy_buffer_stack_top = 0;
+ yyg->yy_buffer_stack_max = 0;
+ yyg->yy_c_buf_p = (char *) 0;
+ yyg->yy_init = 0;
+ yyg->yy_start = 0;
+
+ yyg->yy_start_stack_ptr = 0;
+ yyg->yy_start_stack_depth = 0;
+ yyg->yy_start_stack = NULL;
+
+/* Defined in main.c */
+#ifdef YY_STDINIT
+ yyin = stdin;
+ yyout = stdout;
+#else
+ yyin = (FILE *) 0;
+ yyout = (FILE *) 0;
+#endif
+
+ /* For future reference: Set errno on error, since we are called by
+ * yylex_init()
+ */
+ return 0;
+}
+
+/* yylex_destroy is for both reentrant and non-reentrant scanners. */
+int yylex_destroy (yyscan_t yyscanner)
+{
+ struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
+
+ /* Pop the buffer stack, destroying each element. */
+ while(YY_CURRENT_BUFFER){
+ yy_delete_buffer(YY_CURRENT_BUFFER ,yyscanner );
+ YY_CURRENT_BUFFER_LVALUE = NULL;
+ yypop_buffer_state(yyscanner);
+ }
+
+ /* Destroy the stack itself. */
+ yyfree(yyg->yy_buffer_stack ,yyscanner);
+ yyg->yy_buffer_stack = NULL;
+
+ /* Destroy the start condition stack. */
+ yyfree(yyg->yy_start_stack ,yyscanner );
+ yyg->yy_start_stack = NULL;
+
+ /* Reset the globals. This is important in a non-reentrant scanner so the next time
+ * yylex() is called, initialization will occur. */
+ yy_init_globals( yyscanner);
+
+ /* Destroy the main struct (reentrant only). */
+ yyfree ( yyscanner , yyscanner );
+ yyscanner = NULL;
+ return 0;
+}
+
+/*
+ * Internal utility routines.
+ */
+
+#ifndef yytext_ptr
+static void yy_flex_strncpy (char* s1, yyconst char * s2, int n , yyscan_t yyscanner)
+{
+ register int i;
+ for ( i = 0; i < n; ++i )
+ s1[i] = s2[i];
+}
+#endif
+
+#ifdef YY_NEED_STRLEN
+static int yy_flex_strlen (yyconst char * s , yyscan_t yyscanner)
+{
+ register int n;
+ for ( n = 0; s[n]; ++n )
+ ;
+
+ return n;
+}
+#endif
+
+void *yyalloc (yy_size_t size , yyscan_t yyscanner)
+{
+ return (void *) malloc( size );
+}
+
+void *yyrealloc (void * ptr, yy_size_t size , yyscan_t yyscanner)
+{
+ /* The cast to (char *) in the following accommodates both
+ * implementations that use char* generic pointers, and those
+ * that use void* generic pointers. It works with the latter
+ * because both ANSI C and C++ allow castless assignment from
+ * any pointer type to void*, and deal with argument conversions
+ * as though doing an assignment.
+ */
+ return (void *) realloc( (char *) ptr, size );
+}
+
+void yyfree (void * ptr , yyscan_t yyscanner)
+{
+ free( (char *) ptr ); /* see yyrealloc() for (char *) cast */
+}
+
+#define YYTABLES_NAME "yytables"
+
+int string_input(char* buf, int max_size, yyscan_t yyscanner)
+{
+ int len = 0;
+
+ pp::Token token;
+ yyget_extra(yyscanner)->preprocessor.lex(&token);
+ len = token.type == pp::Token::LAST ? 0 : token.text.size();
+ if ((len > 0) && (len < max_size))
+ memcpy(buf, token.text.c_str(), len);
+ yyset_lineno(EncodeSourceLoc(token.location.file, token.location.line),yyscanner);
+
+ if (len >= max_size)
+ YY_FATAL_ERROR("Input buffer overflow");
+ else if (len > 0)
+ buf[len++] = ' ';
+ return len;
+}
+
+int check_type(yyscan_t yyscanner) {
+ struct yyguts_t* yyg = (struct yyguts_t*) yyscanner;
+
+ int token = IDENTIFIER;
+ TSymbol* symbol = yyextra->symbolTable.find(yytext);
+ if (yyextra->lexAfterType == false && symbol && symbol->isVariable()) {
+ TVariable* variable = static_cast<TVariable*>(symbol);
+ if (variable->isUserType()) {
+ yyextra->lexAfterType = true;
+ token = TYPE_NAME;
+ }
+ }
+ yylval->lex.symbol = symbol;
+ return token;
+}
+
+int reserved_word(yyscan_t yyscanner) {
+ struct yyguts_t* yyg = (struct yyguts_t*) yyscanner;
+
+ yyextra->error(yylineno, "Illegal use of reserved word", yytext, "");
+ yyextra->recover();
+ return 0;
+}
+
+void yyerror(TParseContext* context, const char* reason) {
+ struct yyguts_t* yyg = (struct yyguts_t*) context->scanner;
+
+ if (context->AfterEOF) {
+ context->error(yylineno, reason, "unexpected EOF");
+ } else {
+ context->error(yylineno, reason, yytext);
+ }
+ context->recover();
+}
+
+int glslang_initialize(TParseContext* context) {
+ yyscan_t scanner = NULL;
+ if (yylex_init_extra(context,&scanner))
+ return 1;
+
+ context->scanner = scanner;
+ return 0;
+}
+
+int glslang_finalize(TParseContext* context) {
+ yyscan_t scanner = context->scanner;
+ if (scanner == NULL) return 0;
+
+ context->scanner = NULL;
+ yylex_destroy(scanner);
+
+ return 0;
+}
+
+int glslang_scan(int count, const char* const string[], const int length[],
+ TParseContext* context) {
+ yyrestart(NULL,context->scanner);
+ yyset_lineno(EncodeSourceLoc(0, 1),context->scanner);
+ context->AfterEOF = false;
+
+ // Initialize preprocessor.
+ if (!context->preprocessor.init(count, string, length))
+ return 1;
+
+ // Define extension macros.
+ const TExtensionBehavior& extBehavior = context->extensionBehavior();
+ for (TExtensionBehavior::const_iterator iter = extBehavior.begin();
+ iter != extBehavior.end(); ++iter)
+ {
+ context->preprocessor.predefineMacro(iter->first.c_str(), 1);
+ }
+ return 0;
+}
+
diff --git a/src/GLES2/compiler/glslang_tab.cpp b/src/GLES2/compiler/glslang_tab.cpp
new file mode 100644
index 0000000..3784c5e
--- /dev/null
+++ b/src/GLES2/compiler/glslang_tab.cpp
@@ -0,0 +1,4714 @@
+/* A Bison parser, made by GNU Bison 2.4.2. */
+
+/* Skeleton implementation for Bison's Yacc-like parsers in C
+
+ Copyright (C) 1984, 1989-1990, 2000-2006, 2009-2010 Free Software
+ Foundation, Inc.
+
+ This program is free software: you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation, either version 3 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program. If not, see <http://www.gnu.org/licenses/>. */
+
+/* As a special exception, you may create a larger work that contains
+ part or all of the Bison parser skeleton and distribute that work
+ under terms of your choice, so long as that work isn't itself a
+ parser generator using the skeleton or a modified version thereof
+ as a parser skeleton. Alternatively, if you modify or redistribute
+ the parser skeleton itself, you may (at your option) remove this
+ special exception, which will cause the skeleton and the resulting
+ Bison output files to be licensed under the GNU General Public
+ License without this special exception.
+
+ This special exception was added by the Free Software Foundation in
+ version 2.2 of Bison. */
+
+/* C LALR(1) parser skeleton written by Richard Stallman, by
+ simplifying the original so-called "semantic" parser. */
+
+/* All symbols defined below should begin with yy or YY, to avoid
+ infringing on user name space. This should be done even for local
+ variables, as they might otherwise be expanded by user macros.
+ There are some unavoidable exceptions within include files to
+ define necessary library symbols; they are noted "INFRINGES ON
+ USER NAME SPACE" below. */
+
+/* Identify Bison output. */
+#define YYBISON 1
+
+/* Bison version. */
+#define YYBISON_VERSION "2.4.2"
+
+/* Skeleton name. */
+#define YYSKELETON_NAME "yacc.c"
+
+/* Pure parsers. */
+#define YYPURE 1
+
+/* Push parsers. */
+#define YYPUSH 0
+
+/* Pull parsers. */
+#define YYPULL 1
+
+/* Using locations. */
+#define YYLSP_NEEDED 0
+
+
+
+/* Copy the first part of user declarations. */
+
+
+//
+// Copyright (c) 2002-2012 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+// This file is auto-generated by generate_parser.sh. DO NOT EDIT!
+
+// Ignore errors in auto-generated code.
+#if defined(__GNUC__)
+#pragma GCC diagnostic ignored "-Wunused-function"
+#pragma GCC diagnostic ignored "-Wunused-variable"
+#pragma GCC diagnostic ignored "-Wswitch-enum"
+#elif defined(_MSC_VER)
+#pragma warning(disable: 4065)
+#pragma warning(disable: 4189)
+#pragma warning(disable: 4505)
+#pragma warning(disable: 4701)
+#endif
+
+#include "compiler/SymbolTable.h"
+#include "compiler/ParseHelper.h"
+#include "GLSLANG/ShaderLang.h"
+
+#define YYLEX_PARAM context->scanner
+
+
+
+/* Enabling traces. */
+#ifndef YYDEBUG
+# define YYDEBUG 0
+#endif
+
+/* Enabling verbose error messages. */
+#ifdef YYERROR_VERBOSE
+# undef YYERROR_VERBOSE
+# define YYERROR_VERBOSE 1
+#else
+# define YYERROR_VERBOSE 0
+#endif
+
+/* Enabling the token table. */
+#ifndef YYTOKEN_TABLE
+# define YYTOKEN_TABLE 0
+#endif
+
+
+/* Tokens. */
+#ifndef YYTOKENTYPE
+# define YYTOKENTYPE
+ /* Put the tokens into the symbol table, so that GDB and other debuggers
+ know about them. */
+ enum yytokentype {
+ INVARIANT = 258,
+ HIGH_PRECISION = 259,
+ MEDIUM_PRECISION = 260,
+ LOW_PRECISION = 261,
+ PRECISION = 262,
+ ATTRIBUTE = 263,
+ CONST_QUAL = 264,
+ BOOL_TYPE = 265,
+ FLOAT_TYPE = 266,
+ INT_TYPE = 267,
+ BREAK = 268,
+ CONTINUE = 269,
+ DO = 270,
+ ELSE = 271,
+ FOR = 272,
+ IF = 273,
+ DISCARD = 274,
+ RETURN = 275,
+ BVEC2 = 276,
+ BVEC3 = 277,
+ BVEC4 = 278,
+ IVEC2 = 279,
+ IVEC3 = 280,
+ IVEC4 = 281,
+ VEC2 = 282,
+ VEC3 = 283,
+ VEC4 = 284,
+ MATRIX2 = 285,
+ MATRIX3 = 286,
+ MATRIX4 = 287,
+ IN_QUAL = 288,
+ OUT_QUAL = 289,
+ INOUT_QUAL = 290,
+ UNIFORM = 291,
+ VARYING = 292,
+ STRUCT = 293,
+ VOID_TYPE = 294,
+ WHILE = 295,
+ SAMPLER2D = 296,
+ SAMPLERCUBE = 297,
+ IDENTIFIER = 298,
+ TYPE_NAME = 299,
+ FLOATCONSTANT = 300,
+ INTCONSTANT = 301,
+ BOOLCONSTANT = 302,
+ FIELD_SELECTION = 303,
+ LEFT_OP = 304,
+ RIGHT_OP = 305,
+ INC_OP = 306,
+ DEC_OP = 307,
+ LE_OP = 308,
+ GE_OP = 309,
+ EQ_OP = 310,
+ NE_OP = 311,
+ AND_OP = 312,
+ OR_OP = 313,
+ XOR_OP = 314,
+ MUL_ASSIGN = 315,
+ DIV_ASSIGN = 316,
+ ADD_ASSIGN = 317,
+ MOD_ASSIGN = 318,
+ LEFT_ASSIGN = 319,
+ RIGHT_ASSIGN = 320,
+ AND_ASSIGN = 321,
+ XOR_ASSIGN = 322,
+ OR_ASSIGN = 323,
+ SUB_ASSIGN = 324,
+ LEFT_PAREN = 325,
+ RIGHT_PAREN = 326,
+ LEFT_BRACKET = 327,
+ RIGHT_BRACKET = 328,
+ LEFT_BRACE = 329,
+ RIGHT_BRACE = 330,
+ DOT = 331,
+ COMMA = 332,
+ COLON = 333,
+ EQUAL = 334,
+ SEMICOLON = 335,
+ BANG = 336,
+ DASH = 337,
+ TILDE = 338,
+ PLUS = 339,
+ STAR = 340,
+ SLASH = 341,
+ PERCENT = 342,
+ LEFT_ANGLE = 343,
+ RIGHT_ANGLE = 344,
+ VERTICAL_BAR = 345,
+ CARET = 346,
+ AMPERSAND = 347,
+ QUESTION = 348
+ };
+#endif
+
+
+
+#if ! defined YYSTYPE && ! defined YYSTYPE_IS_DECLARED
+typedef union YYSTYPE
+{
+
+
+ struct {
+ TSourceLoc line;
+ union {
+ TString *string;
+ float f;
+ int i;
+ bool b;
+ };
+ TSymbol* symbol;
+ } lex;
+ struct {
+ TSourceLoc line;
+ TOperator op;
+ union {
+ TIntermNode* intermNode;
+ TIntermNodePair nodePair;
+ TIntermTyped* intermTypedNode;
+ TIntermAggregate* intermAggregate;
+ };
+ union {
+ TPublicType type;
+ TPrecision precision;
+ TQualifier qualifier;
+ TFunction* function;
+ TParameter param;
+ TTypeLine typeLine;
+ TTypeList* typeList;
+ };
+ } interm;
+
+
+
+} YYSTYPE;
+# define YYSTYPE_IS_TRIVIAL 1
+# define yystype YYSTYPE /* obsolescent; will be withdrawn */
+# define YYSTYPE_IS_DECLARED 1
+#endif
+
+
+/* Copy the second part of user declarations. */
+
+
+extern int yylex(YYSTYPE* yylval_param, void* yyscanner);
+extern void yyerror(TParseContext* context, const char* reason);
+
+#define FRAG_VERT_ONLY(S, L) { \
+ if (context->shaderType != SH_FRAGMENT_SHADER && \
+ context->shaderType != SH_VERTEX_SHADER) { \
+ context->error(L, " supported in vertex/fragment shaders only ", S); \
+ context->recover(); \
+ } \
+}
+
+#define VERTEX_ONLY(S, L) { \
+ if (context->shaderType != SH_VERTEX_SHADER) { \
+ context->error(L, " supported in vertex shaders only ", S); \
+ context->recover(); \
+ } \
+}
+
+#define FRAG_ONLY(S, L) { \
+ if (context->shaderType != SH_FRAGMENT_SHADER) { \
+ context->error(L, " supported in fragment shaders only ", S); \
+ context->recover(); \
+ } \
+}
+
+
+
+#ifdef short
+# undef short
+#endif
+
+#ifdef YYTYPE_UINT8
+typedef YYTYPE_UINT8 yytype_uint8;
+#else
+typedef unsigned char yytype_uint8;
+#endif
+
+#ifdef YYTYPE_INT8
+typedef YYTYPE_INT8 yytype_int8;
+#elif (defined __STDC__ || defined __C99__FUNC__ \
+ || defined __cplusplus || defined _MSC_VER)
+typedef signed char yytype_int8;
+#else
+typedef short int yytype_int8;
+#endif
+
+#ifdef YYTYPE_UINT16
+typedef YYTYPE_UINT16 yytype_uint16;
+#else
+typedef unsigned short int yytype_uint16;
+#endif
+
+#ifdef YYTYPE_INT16
+typedef YYTYPE_INT16 yytype_int16;
+#else
+typedef short int yytype_int16;
+#endif
+
+#ifndef YYSIZE_T
+# ifdef __SIZE_TYPE__
+# define YYSIZE_T __SIZE_TYPE__
+# elif defined size_t
+# define YYSIZE_T size_t
+# elif ! defined YYSIZE_T && (defined __STDC__ || defined __C99__FUNC__ \
+ || defined __cplusplus || defined _MSC_VER)
+# include <stddef.h> /* INFRINGES ON USER NAME SPACE */
+# define YYSIZE_T size_t
+# else
+# define YYSIZE_T unsigned int
+# endif
+#endif
+
+#define YYSIZE_MAXIMUM ((YYSIZE_T) -1)
+
+#ifndef YY_
+# if defined YYENABLE_NLS && YYENABLE_NLS
+# if ENABLE_NLS
+# include <libintl.h> /* INFRINGES ON USER NAME SPACE */
+# define YY_(msgid) dgettext ("bison-runtime", msgid)
+# endif
+# endif
+# ifndef YY_
+# define YY_(msgid) msgid
+# endif
+#endif
+
+/* Suppress unused-variable warnings by "using" E. */
+#if ! defined lint || defined __GNUC__
+# define YYUSE(e) ((void) (e))
+#else
+# define YYUSE(e) /* empty */
+#endif
+
+/* Identity function, used to suppress warnings about constant conditions. */
+#ifndef lint
+# define YYID(n) (n)
+#else
+#if (defined __STDC__ || defined __C99__FUNC__ \
+ || defined __cplusplus || defined _MSC_VER)
+static int
+YYID (int yyi)
+#else
+static int
+YYID (yyi)
+ int yyi;
+#endif
+{
+ return yyi;
+}
+#endif
+
+#if ! defined yyoverflow || YYERROR_VERBOSE
+
+/* The parser invokes alloca or malloc; define the necessary symbols. */
+
+# ifdef YYSTACK_USE_ALLOCA
+# if YYSTACK_USE_ALLOCA
+# ifdef __GNUC__
+# define YYSTACK_ALLOC __builtin_alloca
+# elif defined __BUILTIN_VA_ARG_INCR
+# include <alloca.h> /* INFRINGES ON USER NAME SPACE */
+# elif defined _AIX
+# define YYSTACK_ALLOC __alloca
+# elif defined _MSC_VER
+# include <malloc.h> /* INFRINGES ON USER NAME SPACE */
+# define alloca _alloca
+# else
+# define YYSTACK_ALLOC alloca
+# if ! defined _ALLOCA_H && ! defined _STDLIB_H && (defined __STDC__ || defined __C99__FUNC__ \
+ || defined __cplusplus || defined _MSC_VER)
+# include <stdlib.h> /* INFRINGES ON USER NAME SPACE */
+# ifndef _STDLIB_H
+# define _STDLIB_H 1
+# endif
+# endif
+# endif
+# endif
+# endif
+
+# ifdef YYSTACK_ALLOC
+ /* Pacify GCC's `empty if-body' warning. */
+# define YYSTACK_FREE(Ptr) do { /* empty */; } while (YYID (0))
+# ifndef YYSTACK_ALLOC_MAXIMUM
+ /* The OS might guarantee only one guard page at the bottom of the stack,
+ and a page size can be as small as 4096 bytes. So we cannot safely
+ invoke alloca (N) if N exceeds 4096. Use a slightly smaller number
+ to allow for a few compiler-allocated temporary stack slots. */
+# define YYSTACK_ALLOC_MAXIMUM 4032 /* reasonable circa 2006 */
+# endif
+# else
+# define YYSTACK_ALLOC YYMALLOC
+# define YYSTACK_FREE YYFREE
+# ifndef YYSTACK_ALLOC_MAXIMUM
+# define YYSTACK_ALLOC_MAXIMUM YYSIZE_MAXIMUM
+# endif
+# if (defined __cplusplus && ! defined _STDLIB_H \
+ && ! ((defined YYMALLOC || defined malloc) \
+ && (defined YYFREE || defined free)))
+# include <stdlib.h> /* INFRINGES ON USER NAME SPACE */
+# ifndef _STDLIB_H
+# define _STDLIB_H 1
+# endif
+# endif
+# ifndef YYMALLOC
+# define YYMALLOC malloc
+# if ! defined malloc && ! defined _STDLIB_H && (defined __STDC__ || defined __C99__FUNC__ \
+ || defined __cplusplus || defined _MSC_VER)
+void *malloc (YYSIZE_T); /* INFRINGES ON USER NAME SPACE */
+# endif
+# endif
+# ifndef YYFREE
+# define YYFREE free
+# if ! defined free && ! defined _STDLIB_H && (defined __STDC__ || defined __C99__FUNC__ \
+ || defined __cplusplus || defined _MSC_VER)
+void free (void *); /* INFRINGES ON USER NAME SPACE */
+# endif
+# endif
+# endif
+#endif /* ! defined yyoverflow || YYERROR_VERBOSE */
+
+
+#if (! defined yyoverflow \
+ && (! defined __cplusplus \
+ || (defined YYSTYPE_IS_TRIVIAL && YYSTYPE_IS_TRIVIAL)))
+
+/* A type that is properly aligned for any stack member. */
+union yyalloc
+{
+ yytype_int16 yyss_alloc;
+ YYSTYPE yyvs_alloc;
+};
+
+/* The size of the maximum gap between one aligned stack and the next. */
+# define YYSTACK_GAP_MAXIMUM (sizeof (union yyalloc) - 1)
+
+/* The size of an array large to enough to hold all stacks, each with
+ N elements. */
+# define YYSTACK_BYTES(N) \
+ ((N) * (sizeof (yytype_int16) + sizeof (YYSTYPE)) \
+ + YYSTACK_GAP_MAXIMUM)
+
+/* Copy COUNT objects from FROM to TO. The source and destination do
+ not overlap. */
+# ifndef YYCOPY
+# if defined __GNUC__ && 1 < __GNUC__
+# define YYCOPY(To, From, Count) \
+ __builtin_memcpy (To, From, (Count) * sizeof (*(From)))
+# else
+# define YYCOPY(To, From, Count) \
+ do \
+ { \
+ YYSIZE_T yyi; \
+ for (yyi = 0; yyi < (Count); yyi++) \
+ (To)[yyi] = (From)[yyi]; \
+ } \
+ while (YYID (0))
+# endif
+# endif
+
+/* Relocate STACK from its old location to the new one. The
+ local variables YYSIZE and YYSTACKSIZE give the old and new number of
+ elements in the stack, and YYPTR gives the new location of the
+ stack. Advance YYPTR to a properly aligned location for the next
+ stack. */
+# define YYSTACK_RELOCATE(Stack_alloc, Stack) \
+ do \
+ { \
+ YYSIZE_T yynewbytes; \
+ YYCOPY (&yyptr->Stack_alloc, Stack, yysize); \
+ Stack = &yyptr->Stack_alloc; \
+ yynewbytes = yystacksize * sizeof (*Stack) + YYSTACK_GAP_MAXIMUM; \
+ yyptr += yynewbytes / sizeof (*yyptr); \
+ } \
+ while (YYID (0))
+
+#endif
+
+/* YYFINAL -- State number of the termination state. */
+#define YYFINAL 69
+/* YYLAST -- Last index in YYTABLE. */
+#define YYLAST 1385
+
+/* YYNTOKENS -- Number of terminals. */
+#define YYNTOKENS 94
+/* YYNNTS -- Number of nonterminals. */
+#define YYNNTS 83
+/* YYNRULES -- Number of rules. */
+#define YYNRULES 199
+/* YYNRULES -- Number of states. */
+#define YYNSTATES 302
+
+/* YYTRANSLATE(YYLEX) -- Bison symbol number corresponding to YYLEX. */
+#define YYUNDEFTOK 2
+#define YYMAXUTOK 348
+
+#define YYTRANSLATE(YYX) \
+ ((unsigned int) (YYX) <= YYMAXUTOK ? yytranslate[YYX] : YYUNDEFTOK)
+
+/* YYTRANSLATE[YYLEX] -- Bison symbol number corresponding to YYLEX. */
+static const yytype_uint8 yytranslate[] =
+{
+ 0, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+ 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+ 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+ 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+ 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+ 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+ 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+ 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+ 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+ 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+ 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+ 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+ 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+ 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+ 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+ 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+ 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+ 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+ 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+ 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+ 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+ 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+ 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+ 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+ 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+ 2, 2, 2, 2, 2, 2, 1, 2, 3, 4,
+ 5, 6, 7, 8, 9, 10, 11, 12, 13, 14,
+ 15, 16, 17, 18, 19, 20, 21, 22, 23, 24,
+ 25, 26, 27, 28, 29, 30, 31, 32, 33, 34,
+ 35, 36, 37, 38, 39, 40, 41, 42, 43, 44,
+ 45, 46, 47, 48, 49, 50, 51, 52, 53, 54,
+ 55, 56, 57, 58, 59, 60, 61, 62, 63, 64,
+ 65, 66, 67, 68, 69, 70, 71, 72, 73, 74,
+ 75, 76, 77, 78, 79, 80, 81, 82, 83, 84,
+ 85, 86, 87, 88, 89, 90, 91, 92, 93
+};
+
+#if YYDEBUG
+/* YYPRHS[YYN] -- Index of the first RHS symbol of rule number YYN in
+ YYRHS. */
+static const yytype_uint16 yyprhs[] =
+{
+ 0, 0, 3, 5, 7, 9, 11, 13, 17, 19,
+ 24, 26, 30, 33, 36, 38, 40, 42, 46, 49,
+ 52, 55, 57, 60, 64, 67, 69, 71, 73, 75,
+ 78, 81, 84, 86, 88, 90, 92, 96, 100, 102,
+ 106, 110, 112, 114, 118, 122, 126, 130, 132, 136,
+ 140, 142, 144, 146, 148, 152, 154, 158, 160, 164,
+ 166, 172, 174, 178, 180, 182, 184, 186, 188, 190,
+ 194, 196, 199, 202, 207, 210, 212, 214, 217, 221,
+ 225, 228, 234, 238, 241, 245, 248, 249, 251, 253,
+ 255, 257, 259, 263, 269, 276, 282, 284, 287, 292,
+ 298, 303, 306, 308, 311, 313, 315, 317, 320, 322,
+ 324, 327, 329, 331, 333, 335, 340, 342, 344, 346,
+ 348, 350, 352, 354, 356, 358, 360, 362, 364, 366,
+ 368, 370, 372, 374, 376, 378, 380, 381, 388, 389,
+ 395, 397, 400, 404, 406, 410, 412, 417, 419, 421,
+ 423, 425, 427, 429, 431, 433, 435, 438, 439, 440,
+ 446, 448, 450, 451, 454, 455, 458, 461, 465, 467,
+ 470, 472, 475, 481, 485, 487, 489, 494, 495, 502,
+ 503, 512, 513, 521, 523, 525, 527, 528, 531, 535,
+ 538, 541, 544, 548, 551, 553, 556, 558, 560, 561
+};
+
+/* YYRHS -- A `-1'-separated list of the rules' RHS. */
+static const yytype_int16 yyrhs[] =
+{
+ 173, 0, -1, 43, -1, 95, -1, 46, -1, 45,
+ -1, 47, -1, 70, 122, 71, -1, 96, -1, 97,
+ 72, 98, 73, -1, 99, -1, 97, 76, 48, -1,
+ 97, 51, -1, 97, 52, -1, 122, -1, 100, -1,
+ 101, -1, 97, 76, 101, -1, 103, 71, -1, 102,
+ 71, -1, 104, 39, -1, 104, -1, 104, 120, -1,
+ 103, 77, 120, -1, 105, 70, -1, 140, -1, 43,
+ -1, 48, -1, 97, -1, 51, 106, -1, 52, 106,
+ -1, 107, 106, -1, 84, -1, 82, -1, 81, -1,
+ 106, -1, 108, 85, 106, -1, 108, 86, 106, -1,
+ 108, -1, 109, 84, 108, -1, 109, 82, 108, -1,
+ 109, -1, 110, -1, 111, 88, 110, -1, 111, 89,
+ 110, -1, 111, 53, 110, -1, 111, 54, 110, -1,
+ 111, -1, 112, 55, 111, -1, 112, 56, 111, -1,
+ 112, -1, 113, -1, 114, -1, 115, -1, 116, 57,
+ 115, -1, 116, -1, 117, 59, 116, -1, 117, -1,
+ 118, 58, 117, -1, 118, -1, 118, 93, 122, 78,
+ 120, -1, 119, -1, 106, 121, 120, -1, 79, -1,
+ 60, -1, 61, -1, 62, -1, 69, -1, 120, -1,
+ 122, 77, 120, -1, 119, -1, 125, 80, -1, 133,
+ 80, -1, 7, 138, 139, 80, -1, 126, 71, -1,
+ 128, -1, 127, -1, 128, 130, -1, 127, 77, 130,
+ -1, 135, 43, 70, -1, 137, 43, -1, 137, 43,
+ 72, 123, 73, -1, 136, 131, 129, -1, 131, 129,
+ -1, 136, 131, 132, -1, 131, 132, -1, -1, 33,
+ -1, 34, -1, 35, -1, 137, -1, 134, -1, 133,
+ 77, 43, -1, 133, 77, 43, 72, 73, -1, 133,
+ 77, 43, 72, 123, 73, -1, 133, 77, 43, 79,
+ 148, -1, 135, -1, 135, 43, -1, 135, 43, 72,
+ 73, -1, 135, 43, 72, 123, 73, -1, 135, 43,
+ 79, 148, -1, 3, 43, -1, 137, -1, 136, 137,
+ -1, 9, -1, 8, -1, 37, -1, 3, 37, -1,
+ 36, -1, 139, -1, 138, 139, -1, 4, -1, 5,
+ -1, 6, -1, 140, -1, 140, 72, 123, 73, -1,
+ 39, -1, 11, -1, 12, -1, 10, -1, 27, -1,
+ 28, -1, 29, -1, 21, -1, 22, -1, 23, -1,
+ 24, -1, 25, -1, 26, -1, 30, -1, 31, -1,
+ 32, -1, 41, -1, 42, -1, 141, -1, 44, -1,
+ -1, 38, 43, 74, 142, 144, 75, -1, -1, 38,
+ 74, 143, 144, 75, -1, 145, -1, 144, 145, -1,
+ 137, 146, 80, -1, 147, -1, 146, 77, 147, -1,
+ 43, -1, 43, 72, 123, 73, -1, 120, -1, 124,
+ -1, 152, -1, 151, -1, 149, -1, 161, -1, 162,
+ -1, 165, -1, 172, -1, 74, 75, -1, -1, -1,
+ 74, 153, 160, 154, 75, -1, 159, -1, 151, -1,
+ -1, 157, 159, -1, -1, 158, 151, -1, 74, 75,
+ -1, 74, 160, 75, -1, 150, -1, 160, 150, -1,
+ 80, -1, 122, 80, -1, 18, 70, 122, 71, 163,
+ -1, 156, 16, 156, -1, 156, -1, 122, -1, 135,
+ 43, 79, 148, -1, -1, 40, 70, 166, 164, 71,
+ 155, -1, -1, 15, 167, 156, 40, 70, 122, 71,
+ 80, -1, -1, 17, 70, 168, 169, 171, 71, 155,
+ -1, 161, -1, 149, -1, 164, -1, -1, 170, 80,
+ -1, 170, 80, 122, -1, 14, 80, -1, 13, 80,
+ -1, 20, 80, -1, 20, 122, 80, -1, 19, 80,
+ -1, 174, -1, 173, 174, -1, 175, -1, 124, -1,
+ -1, 125, 176, 159, -1
+};
+
+/* YYRLINE[YYN] -- source line where rule number YYN was defined. */
+static const yytype_uint16 yyrline[] =
+{
+ 0, 165, 165, 200, 203, 216, 221, 226, 232, 235,
+ 314, 317, 418, 428, 441, 449, 549, 552, 560, 564,
+ 571, 575, 582, 588, 597, 605, 660, 667, 677, 680,
+ 690, 700, 721, 722, 723, 728, 729, 738, 750, 751,
+ 759, 770, 774, 775, 785, 795, 805, 818, 819, 829,
+ 842, 846, 850, 854, 855, 868, 869, 882, 883, 896,
+ 897, 914, 915, 928, 929, 930, 931, 932, 936, 939,
+ 950, 958, 985, 990, 997, 1035, 1038, 1045, 1053, 1074,
+ 1095, 1106, 1135, 1140, 1150, 1155, 1165, 1168, 1171, 1174,
+ 1180, 1187, 1190, 1212, 1230, 1254, 1277, 1281, 1299, 1307,
+ 1339, 1359, 1448, 1457, 1480, 1483, 1489, 1497, 1505, 1513,
+ 1523, 1530, 1533, 1536, 1542, 1545, 1560, 1564, 1568, 1572,
+ 1581, 1586, 1591, 1596, 1601, 1606, 1611, 1616, 1621, 1626,
+ 1632, 1638, 1644, 1649, 1654, 1659, 1672, 1672, 1686, 1686,
+ 1695, 1698, 1713, 1749, 1753, 1759, 1767, 1783, 1787, 1791,
+ 1792, 1798, 1799, 1800, 1801, 1802, 1806, 1807, 1807, 1807,
+ 1817, 1818, 1822, 1822, 1823, 1823, 1828, 1831, 1841, 1844,
+ 1850, 1851, 1855, 1863, 1867, 1877, 1882, 1899, 1899, 1904,
+ 1904, 1911, 1911, 1919, 1922, 1928, 1931, 1937, 1941, 1948,
+ 1955, 1962, 1969, 1980, 1989, 1993, 2000, 2003, 2009, 2009
+};
+#endif
+
+#if YYDEBUG || YYERROR_VERBOSE || YYTOKEN_TABLE
+/* YYTNAME[SYMBOL-NUM] -- String name of the symbol SYMBOL-NUM.
+ First, the terminals, then, starting at YYNTOKENS, nonterminals. */
+static const char *const yytname[] =
+{
+ "$end", "error", "$undefined", "INVARIANT", "HIGH_PRECISION",
+ "MEDIUM_PRECISION", "LOW_PRECISION", "PRECISION", "ATTRIBUTE",
+ "CONST_QUAL", "BOOL_TYPE", "FLOAT_TYPE", "INT_TYPE", "BREAK", "CONTINUE",
+ "DO", "ELSE", "FOR", "IF", "DISCARD", "RETURN", "BVEC2", "BVEC3",
+ "BVEC4", "IVEC2", "IVEC3", "IVEC4", "VEC2", "VEC3", "VEC4", "MATRIX2",
+ "MATRIX3", "MATRIX4", "IN_QUAL", "OUT_QUAL", "INOUT_QUAL", "UNIFORM",
+ "VARYING", "STRUCT", "VOID_TYPE", "WHILE", "SAMPLER2D", "SAMPLERCUBE",
+ "IDENTIFIER", "TYPE_NAME", "FLOATCONSTANT", "INTCONSTANT",
+ "BOOLCONSTANT", "FIELD_SELECTION", "LEFT_OP", "RIGHT_OP", "INC_OP",
+ "DEC_OP", "LE_OP", "GE_OP", "EQ_OP", "NE_OP", "AND_OP", "OR_OP",
+ "XOR_OP", "MUL_ASSIGN", "DIV_ASSIGN", "ADD_ASSIGN", "MOD_ASSIGN",
+ "LEFT_ASSIGN", "RIGHT_ASSIGN", "AND_ASSIGN", "XOR_ASSIGN", "OR_ASSIGN",
+ "SUB_ASSIGN", "LEFT_PAREN", "RIGHT_PAREN", "LEFT_BRACKET",
+ "RIGHT_BRACKET", "LEFT_BRACE", "RIGHT_BRACE", "DOT", "COMMA", "COLON",
+ "EQUAL", "SEMICOLON", "BANG", "DASH", "TILDE", "PLUS", "STAR", "SLASH",
+ "PERCENT", "LEFT_ANGLE", "RIGHT_ANGLE", "VERTICAL_BAR", "CARET",
+ "AMPERSAND", "QUESTION", "$accept", "variable_identifier",
+ "primary_expression", "postfix_expression", "integer_expression",
+ "function_call", "function_call_or_method", "function_call_generic",
+ "function_call_header_no_parameters",
+ "function_call_header_with_parameters", "function_call_header",
+ "function_identifier", "unary_expression", "unary_operator",
+ "multiplicative_expression", "additive_expression", "shift_expression",
+ "relational_expression", "equality_expression", "and_expression",
+ "exclusive_or_expression", "inclusive_or_expression",
+ "logical_and_expression", "logical_xor_expression",
+ "logical_or_expression", "conditional_expression",
+ "assignment_expression", "assignment_operator", "expression",
+ "constant_expression", "declaration", "function_prototype",
+ "function_declarator", "function_header_with_parameters",
+ "function_header", "parameter_declarator", "parameter_declaration",
+ "parameter_qualifier", "parameter_type_specifier",
+ "init_declarator_list", "single_declaration", "fully_specified_type",
+ "type_qualifier", "type_specifier", "precision_qualifier",
+ "type_specifier_no_prec", "type_specifier_nonarray", "struct_specifier",
+ "$@1", "$@2", "struct_declaration_list", "struct_declaration",
+ "struct_declarator_list", "struct_declarator", "initializer",
+ "declaration_statement", "statement", "simple_statement",
+ "compound_statement", "$@3", "$@4", "statement_no_new_scope",
+ "statement_with_scope", "$@5", "$@6", "compound_statement_no_new_scope",
+ "statement_list", "expression_statement", "selection_statement",
+ "selection_rest_statement", "condition", "iteration_statement", "$@7",
+ "$@8", "$@9", "for_init_statement", "conditionopt", "for_rest_statement",
+ "jump_statement", "translation_unit", "external_declaration",
+ "function_definition", "$@10", 0
+};
+#endif
+
+# ifdef YYPRINT
+/* YYTOKNUM[YYLEX-NUM] -- Internal token number corresponding to
+ token YYLEX-NUM. */
+static const yytype_uint16 yytoknum[] =
+{
+ 0, 256, 257, 258, 259, 260, 261, 262, 263, 264,
+ 265, 266, 267, 268, 269, 270, 271, 272, 273, 274,
+ 275, 276, 277, 278, 279, 280, 281, 282, 283, 284,
+ 285, 286, 287, 288, 289, 290, 291, 292, 293, 294,
+ 295, 296, 297, 298, 299, 300, 301, 302, 303, 304,
+ 305, 306, 307, 308, 309, 310, 311, 312, 313, 314,
+ 315, 316, 317, 318, 319, 320, 321, 322, 323, 324,
+ 325, 326, 327, 328, 329, 330, 331, 332, 333, 334,
+ 335, 336, 337, 338, 339, 340, 341, 342, 343, 344,
+ 345, 346, 347, 348
+};
+# endif
+
+/* YYR1[YYN] -- Symbol number of symbol that rule YYN derives. */
+static const yytype_uint8 yyr1[] =
+{
+ 0, 94, 95, 96, 96, 96, 96, 96, 97, 97,
+ 97, 97, 97, 97, 98, 99, 100, 100, 101, 101,
+ 102, 102, 103, 103, 104, 105, 105, 105, 106, 106,
+ 106, 106, 107, 107, 107, 108, 108, 108, 109, 109,
+ 109, 110, 111, 111, 111, 111, 111, 112, 112, 112,
+ 113, 114, 115, 116, 116, 117, 117, 118, 118, 119,
+ 119, 120, 120, 121, 121, 121, 121, 121, 122, 122,
+ 123, 124, 124, 124, 125, 126, 126, 127, 127, 128,
+ 129, 129, 130, 130, 130, 130, 131, 131, 131, 131,
+ 132, 133, 133, 133, 133, 133, 134, 134, 134, 134,
+ 134, 134, 135, 135, 136, 136, 136, 136, 136, 137,
+ 137, 138, 138, 138, 139, 139, 140, 140, 140, 140,
+ 140, 140, 140, 140, 140, 140, 140, 140, 140, 140,
+ 140, 140, 140, 140, 140, 140, 142, 141, 143, 141,
+ 144, 144, 145, 146, 146, 147, 147, 148, 149, 150,
+ 150, 151, 151, 151, 151, 151, 152, 153, 154, 152,
+ 155, 155, 157, 156, 158, 156, 159, 159, 160, 160,
+ 161, 161, 162, 163, 163, 164, 164, 166, 165, 167,
+ 165, 168, 165, 169, 169, 170, 170, 171, 171, 172,
+ 172, 172, 172, 172, 173, 173, 174, 174, 176, 175
+};
+
+/* YYR2[YYN] -- Number of symbols composing right hand side of rule YYN. */
+static const yytype_uint8 yyr2[] =
+{
+ 0, 2, 1, 1, 1, 1, 1, 3, 1, 4,
+ 1, 3, 2, 2, 1, 1, 1, 3, 2, 2,
+ 2, 1, 2, 3, 2, 1, 1, 1, 1, 2,
+ 2, 2, 1, 1, 1, 1, 3, 3, 1, 3,
+ 3, 1, 1, 3, 3, 3, 3, 1, 3, 3,
+ 1, 1, 1, 1, 3, 1, 3, 1, 3, 1,
+ 5, 1, 3, 1, 1, 1, 1, 1, 1, 3,
+ 1, 2, 2, 4, 2, 1, 1, 2, 3, 3,
+ 2, 5, 3, 2, 3, 2, 0, 1, 1, 1,
+ 1, 1, 3, 5, 6, 5, 1, 2, 4, 5,
+ 4, 2, 1, 2, 1, 1, 1, 2, 1, 1,
+ 2, 1, 1, 1, 1, 4, 1, 1, 1, 1,
+ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+ 1, 1, 1, 1, 1, 1, 0, 6, 0, 5,
+ 1, 2, 3, 1, 3, 1, 4, 1, 1, 1,
+ 1, 1, 1, 1, 1, 1, 2, 0, 0, 5,
+ 1, 1, 0, 2, 0, 2, 2, 3, 1, 2,
+ 1, 2, 5, 3, 1, 1, 4, 0, 6, 0,
+ 8, 0, 7, 1, 1, 1, 0, 2, 3, 2,
+ 2, 2, 3, 2, 1, 2, 1, 1, 0, 3
+};
+
+/* YYDEFACT[STATE-NAME] -- Default rule to reduce with in state
+ STATE-NUM when YYTABLE doesn't specify something else to do. Zero
+ means the default is an error. */
+static const yytype_uint8 yydefact[] =
+{
+ 0, 0, 111, 112, 113, 0, 105, 104, 119, 117,
+ 118, 123, 124, 125, 126, 127, 128, 120, 121, 122,
+ 129, 130, 131, 108, 106, 0, 116, 132, 133, 135,
+ 197, 198, 0, 76, 86, 0, 91, 96, 0, 102,
+ 0, 109, 114, 134, 0, 194, 196, 107, 101, 0,
+ 0, 138, 71, 0, 74, 86, 0, 87, 88, 89,
+ 77, 0, 86, 0, 72, 97, 103, 110, 0, 1,
+ 195, 0, 136, 0, 0, 199, 78, 83, 85, 90,
+ 0, 92, 79, 0, 0, 2, 5, 4, 6, 27,
+ 0, 0, 0, 34, 33, 32, 3, 8, 28, 10,
+ 15, 16, 0, 0, 21, 0, 35, 0, 38, 41,
+ 42, 47, 50, 51, 52, 53, 55, 57, 59, 70,
+ 0, 25, 73, 0, 0, 0, 140, 0, 0, 179,
+ 0, 0, 0, 0, 0, 157, 166, 170, 35, 61,
+ 68, 0, 148, 0, 114, 151, 168, 150, 149, 0,
+ 152, 153, 154, 155, 80, 82, 84, 0, 0, 98,
+ 0, 147, 100, 29, 30, 0, 12, 13, 0, 0,
+ 19, 18, 0, 20, 22, 24, 31, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 115, 0, 145, 0, 143, 139, 141, 190, 189,
+ 164, 181, 0, 193, 191, 0, 177, 156, 0, 64,
+ 65, 66, 67, 63, 0, 0, 171, 167, 169, 0,
+ 93, 0, 95, 99, 7, 0, 14, 26, 11, 17,
+ 23, 36, 37, 40, 39, 45, 46, 43, 44, 48,
+ 49, 54, 56, 58, 0, 137, 0, 0, 142, 0,
+ 0, 0, 0, 0, 192, 0, 158, 62, 69, 0,
+ 94, 9, 0, 0, 144, 0, 163, 165, 184, 183,
+ 186, 164, 175, 0, 0, 0, 81, 60, 146, 0,
+ 185, 0, 0, 174, 172, 0, 0, 159, 0, 187,
+ 0, 164, 0, 161, 178, 160, 0, 188, 182, 173,
+ 176, 180
+};
+
+/* YYDEFGOTO[NTERM-NUM]. */
+static const yytype_int16 yydefgoto[] =
+{
+ -1, 96, 97, 98, 225, 99, 100, 101, 102, 103,
+ 104, 105, 138, 107, 108, 109, 110, 111, 112, 113,
+ 114, 115, 116, 117, 118, 139, 140, 214, 141, 120,
+ 142, 143, 32, 33, 34, 77, 60, 61, 78, 35,
+ 36, 37, 38, 39, 40, 41, 121, 43, 123, 73,
+ 125, 126, 194, 195, 162, 145, 146, 147, 148, 208,
+ 275, 294, 249, 250, 251, 295, 149, 150, 151, 284,
+ 274, 152, 255, 200, 252, 270, 281, 282, 153, 44,
+ 45, 46, 53
+};
+
+/* YYPACT[STATE-NUM] -- Index in YYTABLE of the portion describing
+ STATE-NUM. */
+#define YYPACT_NINF -260
+static const yytype_int16 yypact[] =
+{
+ 1241, -23, -260, -260, -260, 152, -260, -260, -260, -260,
+ -260, -260, -260, -260, -260, -260, -260, -260, -260, -260,
+ -260, -260, -260, -260, -260, -32, -260, -260, -260, -260,
+ -260, -18, -35, 17, 82, 29, -260, 26, 1282, -260,
+ 1341, -260, 11, -260, 1199, -260, -260, -260, -260, 1341,
+ 28, -260, -260, 36, -260, 62, 67, -260, -260, -260,
+ -260, 1282, 126, 79, -260, 7, -260, -260, 972, -260,
+ -260, 40, -260, 1282, 288, -260, -260, -260, -260, 87,
+ 1282, -13, -260, 193, 972, 80, -260, -260, -260, -260,
+ 972, 972, 972, -260, -260, -260, -260, -260, 16, -260,
+ -260, -260, 81, -40, 1036, 84, -260, 972, 77, -67,
+ -260, -31, 111, -260, -260, -260, 107, 115, -29, -260,
+ 103, -260, -260, 1282, 138, 1103, -260, 104, 105, -260,
+ 113, 116, 108, 844, 117, 118, -260, -260, -34, -260,
+ -260, 31, -260, -18, -16, -260, -260, -260, -260, 370,
+ -260, -260, -260, -260, 119, -260, -260, 908, 972, -260,
+ 121, -260, -260, -260, -260, 5, -260, -260, 972, 1306,
+ -260, -260, 972, 120, -260, -260, -260, 972, 972, 972,
+ 972, 972, 972, 972, 972, 972, 972, 972, 972, 972,
+ 972, -260, 1144, 123, 44, -260, -260, -260, -260, -260,
+ 122, -260, 972, -260, -260, 71, -260, -260, 452, -260,
+ -260, -260, -260, -260, 972, 972, -260, -260, -260, 972,
+ -260, 124, -260, -260, -260, 125, 129, -260, 131, -260,
+ -260, -260, -260, 77, 77, -260, -260, -260, -260, -31,
+ -31, -260, 107, 115, 91, -260, 972, 138, -260, 167,
+ 36, 616, 698, 10, -260, 780, 452, -260, -260, 137,
+ -260, -260, 972, 139, -260, 141, -260, -260, -260, -260,
+ 780, 122, 129, 170, 155, 153, -260, -260, -260, 972,
+ -260, 147, 158, 214, -260, 154, 534, -260, 30, 972,
+ 534, 122, 972, -260, -260, -260, 162, 129, -260, -260,
+ -260, -260
+};
+
+/* YYPGOTO[NTERM-NUM]. */
+static const yytype_int16 yypgoto[] =
+{
+ -260, -260, -260, -260, -260, -260, -260, 74, -260, -260,
+ -260, -260, -44, -260, -9, -260, -55, -8, -260, -260,
+ -260, 59, 60, 58, -260, -64, -83, -260, -90, -73,
+ 6, 8, -260, -260, -260, 169, 195, 191, 174, -260,
+ -260, -222, -25, -20, 252, -15, 0, -260, -260, -260,
+ 135, -120, -260, 12, -145, 9, -142, -235, -260, -260,
+ -260, -30, -259, -260, -260, -50, 54, 13, -260, -260,
+ -6, -260, -260, -260, -260, -260, -260, -260, -260, -260,
+ 223, -260, -260
+};
+
+/* YYTABLE[YYPACT[STATE-NUM]]. What to do in state STATE-NUM. If
+ positive, shift that token. If negative, reduce the rule which
+ number is the opposite. If zero, do what YYDEFACT says.
+ If YYTABLE_NINF, syntax error. */
+#define YYTABLE_NINF -163
+static const yytype_int16 yytable[] =
+{
+ 42, 161, 165, 75, 119, 197, 30, 218, 31, 62,
+ 160, 50, 283, 222, 47, 179, 267, 180, 66, 119,
+ 48, 174, 181, 182, 106, 67, 209, 210, 211, 189,
+ 62, 171, 299, 273, 71, 212, 54, 172, 42, 106,
+ 42, 79, 51, 205, 42, 213, 163, 164, 273, 42,
+ 30, 293, 31, 124, -25, 293, 68, 183, 184, 157,
+ 79, 42, 52, 176, 190, 56, 158, 166, 167, 65,
+ 6, 7, 197, 42, 144, 161, 224, 82, 226, 83,
+ 42, 271, 215, 68, 221, 56, 84, 215, 168, 230,
+ 6, 7, 169, 119, 55, 57, 58, 59, 23, 24,
+ 244, 296, 72, 124, 47, 124, 63, 215, 215, 64,
+ 74, 216, 253, 106, 218, 57, 58, 59, 23, 24,
+ 122, 247, 81, 42, 248, 42, 235, 236, 237, 238,
+ 154, 257, 258, 231, 232, 106, 106, 106, 106, 106,
+ 106, 106, 106, 106, 106, 106, 259, 300, 215, 144,
+ -26, 254, 170, -75, 175, 119, 2, 3, 4, 57,
+ 58, 59, 177, 178, 187, 272, 185, 186, 215, 262,
+ 233, 234, 124, 263, 188, 106, 191, 239, 240, 277,
+ 272, 193, 119, 201, 198, 199, 202, 206, 203, 288,
+ -116, 219, 42, 207, 223, 246, -162, 260, 261, 297,
+ 266, -27, 106, 8, 9, 10, 215, 265, 144, 161,
+ 276, 279, 278, 285, 11, 12, 13, 14, 15, 16,
+ 17, 18, 19, 20, 21, 22, 286, 289, 287, 290,
+ 291, 25, 26, 292, 27, 28, 85, 29, 86, 87,
+ 88, 89, 301, 229, 90, 91, 241, 243, 242, 155,
+ 76, 144, 144, 80, 156, 144, 144, 49, 192, 264,
+ 298, 268, 256, 92, 280, 269, 159, 70, 0, 0,
+ 144, 0, 0, 0, 93, 94, 0, 95, 0, 0,
+ 0, 0, 0, 0, 0, 0, 144, 0, 0, 0,
+ 144, 1, 2, 3, 4, 5, 6, 7, 8, 9,
+ 10, 127, 128, 129, 0, 130, 131, 132, 133, 11,
+ 12, 13, 14, 15, 16, 17, 18, 19, 20, 21,
+ 22, 0, 0, 0, 23, 24, 25, 26, 134, 27,
+ 28, 85, 29, 86, 87, 88, 89, 0, 0, 90,
+ 91, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0, 92, 0,
+ 0, 0, 135, 136, 0, 0, 0, 0, 137, 93,
+ 94, 0, 95, 1, 2, 3, 4, 5, 6, 7,
+ 8, 9, 10, 127, 128, 129, 0, 130, 131, 132,
+ 133, 11, 12, 13, 14, 15, 16, 17, 18, 19,
+ 20, 21, 22, 0, 0, 0, 23, 24, 25, 26,
+ 134, 27, 28, 85, 29, 86, 87, 88, 89, 0,
+ 0, 90, 91, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 92, 0, 0, 0, 135, 217, 0, 0, 0, 0,
+ 137, 93, 94, 0, 95, 1, 2, 3, 4, 5,
+ 6, 7, 8, 9, 10, 127, 128, 129, 0, 130,
+ 131, 132, 133, 11, 12, 13, 14, 15, 16, 17,
+ 18, 19, 20, 21, 22, 0, 0, 0, 23, 24,
+ 25, 26, 134, 27, 28, 85, 29, 86, 87, 88,
+ 89, 0, 0, 90, 91, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 92, 0, 0, 0, 135, 0, 0, 0,
+ 0, 0, 137, 93, 94, 0, 95, 1, 2, 3,
+ 4, 5, 6, 7, 8, 9, 10, 127, 128, 129,
+ 0, 130, 131, 132, 133, 11, 12, 13, 14, 15,
+ 16, 17, 18, 19, 20, 21, 22, 0, 0, 0,
+ 23, 24, 25, 26, 134, 27, 28, 85, 29, 86,
+ 87, 88, 89, 0, 0, 90, 91, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 92, 0, 0, 0, 74, 0,
+ 0, 0, 0, 0, 137, 93, 94, 0, 95, 1,
+ 2, 3, 4, 5, 6, 7, 8, 9, 10, 127,
+ 128, 129, 0, 130, 131, 132, 133, 11, 12, 13,
+ 14, 15, 16, 17, 18, 19, 20, 21, 22, 0,
+ 0, 0, 23, 24, 25, 26, 134, 27, 28, 85,
+ 29, 86, 87, 88, 89, 0, 0, 90, 91, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 92, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 137, 93, 94, 0,
+ 95, 1, 2, 3, 4, 5, 6, 7, 8, 9,
+ 10, 0, 0, 0, 0, 0, 0, 0, 0, 11,
+ 12, 13, 14, 15, 16, 17, 18, 19, 20, 21,
+ 22, 0, 0, 0, 23, 24, 25, 26, 0, 27,
+ 28, 85, 29, 86, 87, 88, 89, 0, 0, 90,
+ 91, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0, 92, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0, 137, 93,
+ 94, 0, 95, 56, 2, 3, 4, 0, 6, 7,
+ 8, 9, 10, 0, 0, 0, 0, 0, 0, 0,
+ 0, 11, 12, 13, 14, 15, 16, 17, 18, 19,
+ 20, 21, 22, 0, 0, 0, 23, 24, 25, 26,
+ 0, 27, 28, 85, 29, 86, 87, 88, 89, 0,
+ 0, 90, 91, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 92, 0, 0, 0, 8, 9, 10, 0, 0, 0,
+ 0, 93, 94, 0, 95, 11, 12, 13, 14, 15,
+ 16, 17, 18, 19, 20, 21, 22, 0, 0, 0,
+ 0, 0, 25, 26, 0, 27, 28, 85, 29, 86,
+ 87, 88, 89, 0, 0, 90, 91, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 92, 0, 0, 0, 8, 9,
+ 10, 0, 0, 0, 204, 93, 94, 0, 95, 11,
+ 12, 13, 14, 15, 16, 17, 18, 19, 20, 21,
+ 22, 0, 0, 0, 0, 0, 25, 26, 0, 27,
+ 28, 85, 29, 86, 87, 88, 89, 0, 0, 90,
+ 91, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0, 92, 0,
+ 0, 220, 8, 9, 10, 0, 0, 0, 0, 93,
+ 94, 0, 95, 11, 12, 13, 14, 15, 16, 17,
+ 18, 19, 20, 21, 22, 0, 0, 0, 0, 0,
+ 25, 26, 0, 27, 28, 85, 29, 86, 87, 88,
+ 89, 0, 0, 90, 91, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 92, 0, 0, 0, 8, 9, 10, 0,
+ 0, 0, 0, 93, 94, 0, 95, 11, 12, 13,
+ 14, 15, 16, 17, 18, 19, 20, 21, 22, 0,
+ 0, 0, 0, 0, 25, 173, 0, 27, 28, 85,
+ 29, 86, 87, 88, 89, 0, 0, 90, 91, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 92, 2, 3, 4,
+ 0, 0, 0, 8, 9, 10, 0, 93, 94, 0,
+ 95, 0, 0, 0, 11, 12, 13, 14, 15, 16,
+ 17, 18, 19, 20, 21, 22, 0, 0, 0, 0,
+ 0, 25, 26, 0, 27, 28, 0, 29, 2, 3,
+ 4, 0, 0, 0, 8, 9, 10, 0, 0, 0,
+ 0, 0, 0, 0, 0, 11, 12, 13, 14, 15,
+ 16, 17, 18, 19, 20, 21, 22, 0, 196, 0,
+ 0, 0, 25, 26, 0, 27, 28, 0, 29, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 69,
+ 0, 0, 1, 2, 3, 4, 5, 6, 7, 8,
+ 9, 10, 0, 0, 0, 0, 0, 0, 0, 245,
+ 11, 12, 13, 14, 15, 16, 17, 18, 19, 20,
+ 21, 22, 0, 0, 0, 23, 24, 25, 26, 0,
+ 27, 28, 0, 29, 1, 2, 3, 4, 5, 6,
+ 7, 8, 9, 10, 0, 0, 0, 0, 0, 0,
+ 0, 0, 11, 12, 13, 14, 15, 16, 17, 18,
+ 19, 20, 21, 22, 0, 0, 0, 23, 24, 25,
+ 26, 0, 27, 28, 0, 29, 2, 3, 4, 0,
+ 0, 0, 8, 9, 10, 0, 0, 0, 0, 0,
+ 0, 0, 0, 11, 12, 13, 14, 15, 16, 17,
+ 18, 19, 20, 21, 22, 0, 8, 9, 10, 0,
+ 25, 26, 0, 27, 28, 0, 29, 11, 12, 13,
+ 14, 15, 16, 17, 18, 19, 20, 21, 22, 0,
+ 0, 0, 0, 0, 25, 26, 0, 27, 28, 227,
+ 29, 8, 9, 10, 228, 0, 0, 0, 0, 0,
+ 0, 0, 11, 12, 13, 14, 15, 16, 17, 18,
+ 19, 20, 21, 22, 0, 0, 0, 0, 0, 25,
+ 26, 0, 27, 28, 0, 29
+};
+
+static const yytype_int16 yycheck[] =
+{
+ 0, 84, 92, 53, 68, 125, 0, 149, 0, 34,
+ 83, 43, 271, 158, 37, 82, 251, 84, 38, 83,
+ 43, 104, 53, 54, 68, 40, 60, 61, 62, 58,
+ 55, 71, 291, 255, 49, 69, 71, 77, 38, 83,
+ 40, 61, 74, 133, 44, 79, 90, 91, 270, 49,
+ 44, 286, 44, 73, 70, 290, 72, 88, 89, 72,
+ 80, 61, 80, 107, 93, 3, 79, 51, 52, 43,
+ 8, 9, 192, 73, 74, 158, 71, 70, 168, 72,
+ 80, 71, 77, 72, 157, 3, 79, 77, 72, 172,
+ 8, 9, 76, 157, 77, 33, 34, 35, 36, 37,
+ 190, 71, 74, 123, 37, 125, 77, 77, 77, 80,
+ 74, 80, 202, 157, 256, 33, 34, 35, 36, 37,
+ 80, 77, 43, 123, 80, 125, 181, 182, 183, 184,
+ 43, 214, 215, 177, 178, 179, 180, 181, 182, 183,
+ 184, 185, 186, 187, 188, 189, 219, 292, 77, 149,
+ 70, 80, 71, 71, 70, 219, 4, 5, 6, 33,
+ 34, 35, 85, 86, 57, 255, 55, 56, 77, 78,
+ 179, 180, 192, 246, 59, 219, 73, 185, 186, 262,
+ 270, 43, 246, 70, 80, 80, 70, 70, 80, 279,
+ 70, 72, 192, 75, 73, 72, 74, 73, 73, 289,
+ 250, 70, 246, 10, 11, 12, 77, 40, 208, 292,
+ 73, 70, 73, 43, 21, 22, 23, 24, 25, 26,
+ 27, 28, 29, 30, 31, 32, 71, 80, 75, 71,
+ 16, 38, 39, 79, 41, 42, 43, 44, 45, 46,
+ 47, 48, 80, 169, 51, 52, 187, 189, 188, 80,
+ 55, 251, 252, 62, 80, 255, 256, 5, 123, 247,
+ 290, 252, 208, 70, 270, 252, 73, 44, -1, -1,
+ 270, -1, -1, -1, 81, 82, -1, 84, -1, -1,
+ -1, -1, -1, -1, -1, -1, 286, -1, -1, -1,
+ 290, 3, 4, 5, 6, 7, 8, 9, 10, 11,
+ 12, 13, 14, 15, -1, 17, 18, 19, 20, 21,
+ 22, 23, 24, 25, 26, 27, 28, 29, 30, 31,
+ 32, -1, -1, -1, 36, 37, 38, 39, 40, 41,
+ 42, 43, 44, 45, 46, 47, 48, -1, -1, 51,
+ 52, -1, -1, -1, -1, -1, -1, -1, -1, -1,
+ -1, -1, -1, -1, -1, -1, -1, -1, 70, -1,
+ -1, -1, 74, 75, -1, -1, -1, -1, 80, 81,
+ 82, -1, 84, 3, 4, 5, 6, 7, 8, 9,
+ 10, 11, 12, 13, 14, 15, -1, 17, 18, 19,
+ 20, 21, 22, 23, 24, 25, 26, 27, 28, 29,
+ 30, 31, 32, -1, -1, -1, 36, 37, 38, 39,
+ 40, 41, 42, 43, 44, 45, 46, 47, 48, -1,
+ -1, 51, 52, -1, -1, -1, -1, -1, -1, -1,
+ -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
+ 70, -1, -1, -1, 74, 75, -1, -1, -1, -1,
+ 80, 81, 82, -1, 84, 3, 4, 5, 6, 7,
+ 8, 9, 10, 11, 12, 13, 14, 15, -1, 17,
+ 18, 19, 20, 21, 22, 23, 24, 25, 26, 27,
+ 28, 29, 30, 31, 32, -1, -1, -1, 36, 37,
+ 38, 39, 40, 41, 42, 43, 44, 45, 46, 47,
+ 48, -1, -1, 51, 52, -1, -1, -1, -1, -1,
+ -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
+ -1, -1, 70, -1, -1, -1, 74, -1, -1, -1,
+ -1, -1, 80, 81, 82, -1, 84, 3, 4, 5,
+ 6, 7, 8, 9, 10, 11, 12, 13, 14, 15,
+ -1, 17, 18, 19, 20, 21, 22, 23, 24, 25,
+ 26, 27, 28, 29, 30, 31, 32, -1, -1, -1,
+ 36, 37, 38, 39, 40, 41, 42, 43, 44, 45,
+ 46, 47, 48, -1, -1, 51, 52, -1, -1, -1,
+ -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
+ -1, -1, -1, -1, 70, -1, -1, -1, 74, -1,
+ -1, -1, -1, -1, 80, 81, 82, -1, 84, 3,
+ 4, 5, 6, 7, 8, 9, 10, 11, 12, 13,
+ 14, 15, -1, 17, 18, 19, 20, 21, 22, 23,
+ 24, 25, 26, 27, 28, 29, 30, 31, 32, -1,
+ -1, -1, 36, 37, 38, 39, 40, 41, 42, 43,
+ 44, 45, 46, 47, 48, -1, -1, 51, 52, -1,
+ -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
+ -1, -1, -1, -1, -1, -1, 70, -1, -1, -1,
+ -1, -1, -1, -1, -1, -1, 80, 81, 82, -1,
+ 84, 3, 4, 5, 6, 7, 8, 9, 10, 11,
+ 12, -1, -1, -1, -1, -1, -1, -1, -1, 21,
+ 22, 23, 24, 25, 26, 27, 28, 29, 30, 31,
+ 32, -1, -1, -1, 36, 37, 38, 39, -1, 41,
+ 42, 43, 44, 45, 46, 47, 48, -1, -1, 51,
+ 52, -1, -1, -1, -1, -1, -1, -1, -1, -1,
+ -1, -1, -1, -1, -1, -1, -1, -1, 70, -1,
+ -1, -1, -1, -1, -1, -1, -1, -1, 80, 81,
+ 82, -1, 84, 3, 4, 5, 6, -1, 8, 9,
+ 10, 11, 12, -1, -1, -1, -1, -1, -1, -1,
+ -1, 21, 22, 23, 24, 25, 26, 27, 28, 29,
+ 30, 31, 32, -1, -1, -1, 36, 37, 38, 39,
+ -1, 41, 42, 43, 44, 45, 46, 47, 48, -1,
+ -1, 51, 52, -1, -1, -1, -1, -1, -1, -1,
+ -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
+ 70, -1, -1, -1, 10, 11, 12, -1, -1, -1,
+ -1, 81, 82, -1, 84, 21, 22, 23, 24, 25,
+ 26, 27, 28, 29, 30, 31, 32, -1, -1, -1,
+ -1, -1, 38, 39, -1, 41, 42, 43, 44, 45,
+ 46, 47, 48, -1, -1, 51, 52, -1, -1, -1,
+ -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
+ -1, -1, -1, -1, 70, -1, -1, -1, 10, 11,
+ 12, -1, -1, -1, 80, 81, 82, -1, 84, 21,
+ 22, 23, 24, 25, 26, 27, 28, 29, 30, 31,
+ 32, -1, -1, -1, -1, -1, 38, 39, -1, 41,
+ 42, 43, 44, 45, 46, 47, 48, -1, -1, 51,
+ 52, -1, -1, -1, -1, -1, -1, -1, -1, -1,
+ -1, -1, -1, -1, -1, -1, -1, -1, 70, -1,
+ -1, 73, 10, 11, 12, -1, -1, -1, -1, 81,
+ 82, -1, 84, 21, 22, 23, 24, 25, 26, 27,
+ 28, 29, 30, 31, 32, -1, -1, -1, -1, -1,
+ 38, 39, -1, 41, 42, 43, 44, 45, 46, 47,
+ 48, -1, -1, 51, 52, -1, -1, -1, -1, -1,
+ -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
+ -1, -1, 70, -1, -1, -1, 10, 11, 12, -1,
+ -1, -1, -1, 81, 82, -1, 84, 21, 22, 23,
+ 24, 25, 26, 27, 28, 29, 30, 31, 32, -1,
+ -1, -1, -1, -1, 38, 39, -1, 41, 42, 43,
+ 44, 45, 46, 47, 48, -1, -1, 51, 52, -1,
+ -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
+ -1, -1, -1, -1, -1, -1, 70, 4, 5, 6,
+ -1, -1, -1, 10, 11, 12, -1, 81, 82, -1,
+ 84, -1, -1, -1, 21, 22, 23, 24, 25, 26,
+ 27, 28, 29, 30, 31, 32, -1, -1, -1, -1,
+ -1, 38, 39, -1, 41, 42, -1, 44, 4, 5,
+ 6, -1, -1, -1, 10, 11, 12, -1, -1, -1,
+ -1, -1, -1, -1, -1, 21, 22, 23, 24, 25,
+ 26, 27, 28, 29, 30, 31, 32, -1, 75, -1,
+ -1, -1, 38, 39, -1, 41, 42, -1, 44, -1,
+ -1, -1, -1, -1, -1, -1, -1, -1, -1, 0,
+ -1, -1, 3, 4, 5, 6, 7, 8, 9, 10,
+ 11, 12, -1, -1, -1, -1, -1, -1, -1, 75,
+ 21, 22, 23, 24, 25, 26, 27, 28, 29, 30,
+ 31, 32, -1, -1, -1, 36, 37, 38, 39, -1,
+ 41, 42, -1, 44, 3, 4, 5, 6, 7, 8,
+ 9, 10, 11, 12, -1, -1, -1, -1, -1, -1,
+ -1, -1, 21, 22, 23, 24, 25, 26, 27, 28,
+ 29, 30, 31, 32, -1, -1, -1, 36, 37, 38,
+ 39, -1, 41, 42, -1, 44, 4, 5, 6, -1,
+ -1, -1, 10, 11, 12, -1, -1, -1, -1, -1,
+ -1, -1, -1, 21, 22, 23, 24, 25, 26, 27,
+ 28, 29, 30, 31, 32, -1, 10, 11, 12, -1,
+ 38, 39, -1, 41, 42, -1, 44, 21, 22, 23,
+ 24, 25, 26, 27, 28, 29, 30, 31, 32, -1,
+ -1, -1, -1, -1, 38, 39, -1, 41, 42, 43,
+ 44, 10, 11, 12, 48, -1, -1, -1, -1, -1,
+ -1, -1, 21, 22, 23, 24, 25, 26, 27, 28,
+ 29, 30, 31, 32, -1, -1, -1, -1, -1, 38,
+ 39, -1, 41, 42, -1, 44
+};
+
+/* YYSTOS[STATE-NUM] -- The (internal number of the) accessing
+ symbol of state STATE-NUM. */
+static const yytype_uint8 yystos[] =
+{
+ 0, 3, 4, 5, 6, 7, 8, 9, 10, 11,
+ 12, 21, 22, 23, 24, 25, 26, 27, 28, 29,
+ 30, 31, 32, 36, 37, 38, 39, 41, 42, 44,
+ 124, 125, 126, 127, 128, 133, 134, 135, 136, 137,
+ 138, 139, 140, 141, 173, 174, 175, 37, 43, 138,
+ 43, 74, 80, 176, 71, 77, 3, 33, 34, 35,
+ 130, 131, 136, 77, 80, 43, 137, 139, 72, 0,
+ 174, 139, 74, 143, 74, 159, 130, 129, 132, 137,
+ 131, 43, 70, 72, 79, 43, 45, 46, 47, 48,
+ 51, 52, 70, 81, 82, 84, 95, 96, 97, 99,
+ 100, 101, 102, 103, 104, 105, 106, 107, 108, 109,
+ 110, 111, 112, 113, 114, 115, 116, 117, 118, 119,
+ 123, 140, 80, 142, 137, 144, 145, 13, 14, 15,
+ 17, 18, 19, 20, 40, 74, 75, 80, 106, 119,
+ 120, 122, 124, 125, 140, 149, 150, 151, 152, 160,
+ 161, 162, 165, 172, 43, 129, 132, 72, 79, 73,
+ 123, 120, 148, 106, 106, 122, 51, 52, 72, 76,
+ 71, 71, 77, 39, 120, 70, 106, 85, 86, 82,
+ 84, 53, 54, 88, 89, 55, 56, 57, 59, 58,
+ 93, 73, 144, 43, 146, 147, 75, 145, 80, 80,
+ 167, 70, 70, 80, 80, 122, 70, 75, 153, 60,
+ 61, 62, 69, 79, 121, 77, 80, 75, 150, 72,
+ 73, 123, 148, 73, 71, 98, 122, 43, 48, 101,
+ 120, 106, 106, 108, 108, 110, 110, 110, 110, 111,
+ 111, 115, 116, 117, 122, 75, 72, 77, 80, 156,
+ 157, 158, 168, 122, 80, 166, 160, 120, 120, 123,
+ 73, 73, 78, 123, 147, 40, 159, 151, 149, 161,
+ 169, 71, 122, 135, 164, 154, 73, 120, 73, 70,
+ 164, 170, 171, 156, 163, 43, 71, 75, 122, 80,
+ 71, 16, 79, 151, 155, 159, 71, 122, 155, 156,
+ 148, 80
+};
+
+#define yyerrok (yyerrstatus = 0)
+#define yyclearin (yychar = YYEMPTY)
+#define YYEMPTY (-2)
+#define YYEOF 0
+
+#define YYACCEPT goto yyacceptlab
+#define YYABORT goto yyabortlab
+#define YYERROR goto yyerrorlab
+
+
+/* Like YYERROR except do call yyerror. This remains here temporarily
+ to ease the transition to the new meaning of YYERROR, for GCC.
+ Once GCC version 2 has supplanted version 1, this can go. However,
+ YYFAIL appears to be in use. Nevertheless, it is formally deprecated
+ in Bison 2.4.2's NEWS entry, where a plan to phase it out is
+ discussed. */
+
+#define YYFAIL goto yyerrlab
+#if defined YYFAIL
+ /* This is here to suppress warnings from the GCC cpp's
+ -Wunused-macros. Normally we don't worry about that warning, but
+ some users do, and we want to make it easy for users to remove
+ YYFAIL uses, which will produce warnings from Bison 2.5. */
+#endif
+
+#define YYRECOVERING() (!!yyerrstatus)
+
+#define YYBACKUP(Token, Value) \
+do \
+ if (yychar == YYEMPTY && yylen == 1) \
+ { \
+ yychar = (Token); \
+ yylval = (Value); \
+ yytoken = YYTRANSLATE (yychar); \
+ YYPOPSTACK (1); \
+ goto yybackup; \
+ } \
+ else \
+ { \
+ yyerror (context, YY_("syntax error: cannot back up")); \
+ YYERROR; \
+ } \
+while (YYID (0))
+
+
+#define YYTERROR 1
+#define YYERRCODE 256
+
+
+/* YYLLOC_DEFAULT -- Set CURRENT to span from RHS[1] to RHS[N].
+ If N is 0, then set CURRENT to the empty location which ends
+ the previous symbol: RHS[0] (always defined). */
+
+#define YYRHSLOC(Rhs, K) ((Rhs)[K])
+#ifndef YYLLOC_DEFAULT
+# define YYLLOC_DEFAULT(Current, Rhs, N) \
+ do \
+ if (YYID (N)) \
+ { \
+ (Current).first_line = YYRHSLOC (Rhs, 1).first_line; \
+ (Current).first_column = YYRHSLOC (Rhs, 1).first_column; \
+ (Current).last_line = YYRHSLOC (Rhs, N).last_line; \
+ (Current).last_column = YYRHSLOC (Rhs, N).last_column; \
+ } \
+ else \
+ { \
+ (Current).first_line = (Current).last_line = \
+ YYRHSLOC (Rhs, 0).last_line; \
+ (Current).first_column = (Current).last_column = \
+ YYRHSLOC (Rhs, 0).last_column; \
+ } \
+ while (YYID (0))
+#endif
+
+
+/* YY_LOCATION_PRINT -- Print the location on the stream.
+ This macro was not mandated originally: define only if we know
+ we won't break user code: when these are the locations we know. */
+
+#ifndef YY_LOCATION_PRINT
+# if defined YYLTYPE_IS_TRIVIAL && YYLTYPE_IS_TRIVIAL
+# define YY_LOCATION_PRINT(File, Loc) \
+ fprintf (File, "%d.%d-%d.%d", \
+ (Loc).first_line, (Loc).first_column, \
+ (Loc).last_line, (Loc).last_column)
+# else
+# define YY_LOCATION_PRINT(File, Loc) ((void) 0)
+# endif
+#endif
+
+
+/* YYLEX -- calling `yylex' with the right arguments. */
+
+#ifdef YYLEX_PARAM
+# define YYLEX yylex (&yylval, YYLEX_PARAM)
+#else
+# define YYLEX yylex (&yylval)
+#endif
+
+/* Enable debugging if requested. */
+#if YYDEBUG
+
+# ifndef YYFPRINTF
+# include <stdio.h> /* INFRINGES ON USER NAME SPACE */
+# define YYFPRINTF fprintf
+# endif
+
+# define YYDPRINTF(Args) \
+do { \
+ if (yydebug) \
+ YYFPRINTF Args; \
+} while (YYID (0))
+
+# define YY_SYMBOL_PRINT(Title, Type, Value, Location) \
+do { \
+ if (yydebug) \
+ { \
+ YYFPRINTF (stderr, "%s ", Title); \
+ yy_symbol_print (stderr, \
+ Type, Value, context); \
+ YYFPRINTF (stderr, "\n"); \
+ } \
+} while (YYID (0))
+
+
+/*--------------------------------.
+| Print this symbol on YYOUTPUT. |
+`--------------------------------*/
+
+/*ARGSUSED*/
+#if (defined __STDC__ || defined __C99__FUNC__ \
+ || defined __cplusplus || defined _MSC_VER)
+static void
+yy_symbol_value_print (FILE *yyoutput, int yytype, YYSTYPE const * const yyvaluep, TParseContext* context)
+#else
+static void
+yy_symbol_value_print (yyoutput, yytype, yyvaluep, context)
+ FILE *yyoutput;
+ int yytype;
+ YYSTYPE const * const yyvaluep;
+ TParseContext* context;
+#endif
+{
+ if (!yyvaluep)
+ return;
+ YYUSE (context);
+# ifdef YYPRINT
+ if (yytype < YYNTOKENS)
+ YYPRINT (yyoutput, yytoknum[yytype], *yyvaluep);
+# else
+ YYUSE (yyoutput);
+# endif
+ switch (yytype)
+ {
+ default:
+ break;
+ }
+}
+
+
+/*--------------------------------.
+| Print this symbol on YYOUTPUT. |
+`--------------------------------*/
+
+#if (defined __STDC__ || defined __C99__FUNC__ \
+ || defined __cplusplus || defined _MSC_VER)
+static void
+yy_symbol_print (FILE *yyoutput, int yytype, YYSTYPE const * const yyvaluep, TParseContext* context)
+#else
+static void
+yy_symbol_print (yyoutput, yytype, yyvaluep, context)
+ FILE *yyoutput;
+ int yytype;
+ YYSTYPE const * const yyvaluep;
+ TParseContext* context;
+#endif
+{
+ if (yytype < YYNTOKENS)
+ YYFPRINTF (yyoutput, "token %s (", yytname[yytype]);
+ else
+ YYFPRINTF (yyoutput, "nterm %s (", yytname[yytype]);
+
+ yy_symbol_value_print (yyoutput, yytype, yyvaluep, context);
+ YYFPRINTF (yyoutput, ")");
+}
+
+/*------------------------------------------------------------------.
+| yy_stack_print -- Print the state stack from its BOTTOM up to its |
+| TOP (included). |
+`------------------------------------------------------------------*/
+
+#if (defined __STDC__ || defined __C99__FUNC__ \
+ || defined __cplusplus || defined _MSC_VER)
+static void
+yy_stack_print (yytype_int16 *yybottom, yytype_int16 *yytop)
+#else
+static void
+yy_stack_print (yybottom, yytop)
+ yytype_int16 *yybottom;
+ yytype_int16 *yytop;
+#endif
+{
+ YYFPRINTF (stderr, "Stack now");
+ for (; yybottom <= yytop; yybottom++)
+ {
+ int yybot = *yybottom;
+ YYFPRINTF (stderr, " %d", yybot);
+ }
+ YYFPRINTF (stderr, "\n");
+}
+
+# define YY_STACK_PRINT(Bottom, Top) \
+do { \
+ if (yydebug) \
+ yy_stack_print ((Bottom), (Top)); \
+} while (YYID (0))
+
+
+/*------------------------------------------------.
+| Report that the YYRULE is going to be reduced. |
+`------------------------------------------------*/
+
+#if (defined __STDC__ || defined __C99__FUNC__ \
+ || defined __cplusplus || defined _MSC_VER)
+static void
+yy_reduce_print (YYSTYPE *yyvsp, int yyrule, TParseContext* context)
+#else
+static void
+yy_reduce_print (yyvsp, yyrule, context)
+ YYSTYPE *yyvsp;
+ int yyrule;
+ TParseContext* context;
+#endif
+{
+ int yynrhs = yyr2[yyrule];
+ int yyi;
+ unsigned long int yylno = yyrline[yyrule];
+ YYFPRINTF (stderr, "Reducing stack by rule %d (line %lu):\n",
+ yyrule - 1, yylno);
+ /* The symbols being reduced. */
+ for (yyi = 0; yyi < yynrhs; yyi++)
+ {
+ YYFPRINTF (stderr, " $%d = ", yyi + 1);
+ yy_symbol_print (stderr, yyrhs[yyprhs[yyrule] + yyi],
+ &(yyvsp[(yyi + 1) - (yynrhs)])
+ , context);
+ YYFPRINTF (stderr, "\n");
+ }
+}
+
+# define YY_REDUCE_PRINT(Rule) \
+do { \
+ if (yydebug) \
+ yy_reduce_print (yyvsp, Rule, context); \
+} while (YYID (0))
+
+/* Nonzero means print parse trace. It is left uninitialized so that
+ multiple parsers can coexist. */
+int yydebug;
+#else /* !YYDEBUG */
+# define YYDPRINTF(Args)
+# define YY_SYMBOL_PRINT(Title, Type, Value, Location)
+# define YY_STACK_PRINT(Bottom, Top)
+# define YY_REDUCE_PRINT(Rule)
+#endif /* !YYDEBUG */
+
+
+/* YYINITDEPTH -- initial size of the parser's stacks. */
+#ifndef YYINITDEPTH
+# define YYINITDEPTH 200
+#endif
+
+/* YYMAXDEPTH -- maximum size the stacks can grow to (effective only
+ if the built-in stack extension method is used).
+
+ Do not make this value too large; the results are undefined if
+ YYSTACK_ALLOC_MAXIMUM < YYSTACK_BYTES (YYMAXDEPTH)
+ evaluated with infinite-precision integer arithmetic. */
+
+#ifndef YYMAXDEPTH
+# define YYMAXDEPTH 10000
+#endif
+
+
+
+#if YYERROR_VERBOSE
+
+# ifndef yystrlen
+# if defined __GLIBC__ && defined _STRING_H
+# define yystrlen strlen
+# else
+/* Return the length of YYSTR. */
+#if (defined __STDC__ || defined __C99__FUNC__ \
+ || defined __cplusplus || defined _MSC_VER)
+static YYSIZE_T
+yystrlen (const char *yystr)
+#else
+static YYSIZE_T
+yystrlen (yystr)
+ const char *yystr;
+#endif
+{
+ YYSIZE_T yylen;
+ for (yylen = 0; yystr[yylen]; yylen++)
+ continue;
+ return yylen;
+}
+# endif
+# endif
+
+# ifndef yystpcpy
+# if defined __GLIBC__ && defined _STRING_H && defined _GNU_SOURCE
+# define yystpcpy stpcpy
+# else
+/* Copy YYSRC to YYDEST, returning the address of the terminating '\0' in
+ YYDEST. */
+#if (defined __STDC__ || defined __C99__FUNC__ \
+ || defined __cplusplus || defined _MSC_VER)
+static char *
+yystpcpy (char *yydest, const char *yysrc)
+#else
+static char *
+yystpcpy (yydest, yysrc)
+ char *yydest;
+ const char *yysrc;
+#endif
+{
+ char *yyd = yydest;
+ const char *yys = yysrc;
+
+ while ((*yyd++ = *yys++) != '\0')
+ continue;
+
+ return yyd - 1;
+}
+# endif
+# endif
+
+# ifndef yytnamerr
+/* Copy to YYRES the contents of YYSTR after stripping away unnecessary
+ quotes and backslashes, so that it's suitable for yyerror. The
+ heuristic is that double-quoting is unnecessary unless the string
+ contains an apostrophe, a comma, or backslash (other than
+ backslash-backslash). YYSTR is taken from yytname. If YYRES is
+ null, do not copy; instead, return the length of what the result
+ would have been. */
+static YYSIZE_T
+yytnamerr (char *yyres, const char *yystr)
+{
+ if (*yystr == '"')
+ {
+ YYSIZE_T yyn = 0;
+ char const *yyp = yystr;
+
+ for (;;)
+ switch (*++yyp)
+ {
+ case '\'':
+ case ',':
+ goto do_not_strip_quotes;
+
+ case '\\':
+ if (*++yyp != '\\')
+ goto do_not_strip_quotes;
+ /* Fall through. */
+ default:
+ if (yyres)
+ yyres[yyn] = *yyp;
+ yyn++;
+ break;
+
+ case '"':
+ if (yyres)
+ yyres[yyn] = '\0';
+ return yyn;
+ }
+ do_not_strip_quotes: ;
+ }
+
+ if (! yyres)
+ return yystrlen (yystr);
+
+ return yystpcpy (yyres, yystr) - yyres;
+}
+# endif
+
+/* Copy into YYRESULT an error message about the unexpected token
+ YYCHAR while in state YYSTATE. Return the number of bytes copied,
+ including the terminating null byte. If YYRESULT is null, do not
+ copy anything; just return the number of bytes that would be
+ copied. As a special case, return 0 if an ordinary "syntax error"
+ message will do. Return YYSIZE_MAXIMUM if overflow occurs during
+ size calculation. */
+static YYSIZE_T
+yysyntax_error (char *yyresult, int yystate, int yychar)
+{
+ int yyn = yypact[yystate];
+
+ if (! (YYPACT_NINF < yyn && yyn <= YYLAST))
+ return 0;
+ else
+ {
+ int yytype = YYTRANSLATE (yychar);
+ YYSIZE_T yysize0 = yytnamerr (0, yytname[yytype]);
+ YYSIZE_T yysize = yysize0;
+ YYSIZE_T yysize1;
+ int yysize_overflow = 0;
+ enum { YYERROR_VERBOSE_ARGS_MAXIMUM = 5 };
+ char const *yyarg[YYERROR_VERBOSE_ARGS_MAXIMUM];
+ int yyx;
+
+# if 0
+ /* This is so xgettext sees the translatable formats that are
+ constructed on the fly. */
+ YY_("syntax error, unexpected %s");
+ YY_("syntax error, unexpected %s, expecting %s");
+ YY_("syntax error, unexpected %s, expecting %s or %s");
+ YY_("syntax error, unexpected %s, expecting %s or %s or %s");
+ YY_("syntax error, unexpected %s, expecting %s or %s or %s or %s");
+# endif
+ char *yyfmt;
+ char const *yyf;
+ static char const yyunexpected[] = "syntax error, unexpected %s";
+ static char const yyexpecting[] = ", expecting %s";
+ static char const yyor[] = " or %s";
+ char yyformat[sizeof yyunexpected
+ + sizeof yyexpecting - 1
+ + ((YYERROR_VERBOSE_ARGS_MAXIMUM - 2)
+ * (sizeof yyor - 1))];
+ char const *yyprefix = yyexpecting;
+
+ /* Start YYX at -YYN if negative to avoid negative indexes in
+ YYCHECK. */
+ int yyxbegin = yyn < 0 ? -yyn : 0;
+
+ /* Stay within bounds of both yycheck and yytname. */
+ int yychecklim = YYLAST - yyn + 1;
+ int yyxend = yychecklim < YYNTOKENS ? yychecklim : YYNTOKENS;
+ int yycount = 1;
+
+ yyarg[0] = yytname[yytype];
+ yyfmt = yystpcpy (yyformat, yyunexpected);
+
+ for (yyx = yyxbegin; yyx < yyxend; ++yyx)
+ if (yycheck[yyx + yyn] == yyx && yyx != YYTERROR)
+ {
+ if (yycount == YYERROR_VERBOSE_ARGS_MAXIMUM)
+ {
+ yycount = 1;
+ yysize = yysize0;
+ yyformat[sizeof yyunexpected - 1] = '\0';
+ break;
+ }
+ yyarg[yycount++] = yytname[yyx];
+ yysize1 = yysize + yytnamerr (0, yytname[yyx]);
+ yysize_overflow |= (yysize1 < yysize);
+ yysize = yysize1;
+ yyfmt = yystpcpy (yyfmt, yyprefix);
+ yyprefix = yyor;
+ }
+
+ yyf = YY_(yyformat);
+ yysize1 = yysize + yystrlen (yyf);
+ yysize_overflow |= (yysize1 < yysize);
+ yysize = yysize1;
+
+ if (yysize_overflow)
+ return YYSIZE_MAXIMUM;
+
+ if (yyresult)
+ {
+ /* Avoid sprintf, as that infringes on the user's name space.
+ Don't have undefined behavior even if the translation
+ produced a string with the wrong number of "%s"s. */
+ char *yyp = yyresult;
+ int yyi = 0;
+ while ((*yyp = *yyf) != '\0')
+ {
+ if (*yyp == '%' && yyf[1] == 's' && yyi < yycount)
+ {
+ yyp += yytnamerr (yyp, yyarg[yyi++]);
+ yyf += 2;
+ }
+ else
+ {
+ yyp++;
+ yyf++;
+ }
+ }
+ }
+ return yysize;
+ }
+}
+#endif /* YYERROR_VERBOSE */
+
+
+/*-----------------------------------------------.
+| Release the memory associated to this symbol. |
+`-----------------------------------------------*/
+
+/*ARGSUSED*/
+#if (defined __STDC__ || defined __C99__FUNC__ \
+ || defined __cplusplus || defined _MSC_VER)
+static void
+yydestruct (const char *yymsg, int yytype, YYSTYPE *yyvaluep, TParseContext* context)
+#else
+static void
+yydestruct (yymsg, yytype, yyvaluep, context)
+ const char *yymsg;
+ int yytype;
+ YYSTYPE *yyvaluep;
+ TParseContext* context;
+#endif
+{
+ YYUSE (yyvaluep);
+ YYUSE (context);
+
+ if (!yymsg)
+ yymsg = "Deleting";
+ YY_SYMBOL_PRINT (yymsg, yytype, yyvaluep, yylocationp);
+
+ switch (yytype)
+ {
+
+ default:
+ break;
+ }
+}
+
+/* Prevent warnings from -Wmissing-prototypes. */
+#ifdef YYPARSE_PARAM
+#if defined __STDC__ || defined __cplusplus
+int yyparse (void *YYPARSE_PARAM);
+#else
+int yyparse ();
+#endif
+#else /* ! YYPARSE_PARAM */
+#if defined __STDC__ || defined __cplusplus
+int yyparse (TParseContext* context);
+#else
+int yyparse ();
+#endif
+#endif /* ! YYPARSE_PARAM */
+
+
+
+
+
+/*-------------------------.
+| yyparse or yypush_parse. |
+`-------------------------*/
+
+#ifdef YYPARSE_PARAM
+#if (defined __STDC__ || defined __C99__FUNC__ \
+ || defined __cplusplus || defined _MSC_VER)
+int
+yyparse (void *YYPARSE_PARAM)
+#else
+int
+yyparse (YYPARSE_PARAM)
+ void *YYPARSE_PARAM;
+#endif
+#else /* ! YYPARSE_PARAM */
+#if (defined __STDC__ || defined __C99__FUNC__ \
+ || defined __cplusplus || defined _MSC_VER)
+int
+yyparse (TParseContext* context)
+#else
+int
+yyparse (context)
+ TParseContext* context;
+#endif
+#endif
+{
+/* The lookahead symbol. */
+int yychar;
+
+/* The semantic value of the lookahead symbol. */
+YYSTYPE yylval;
+
+ /* Number of syntax errors so far. */
+ int yynerrs;
+
+ int yystate;
+ /* Number of tokens to shift before error messages enabled. */
+ int yyerrstatus;
+
+ /* The stacks and their tools:
+ `yyss': related to states.
+ `yyvs': related to semantic values.
+
+ Refer to the stacks thru separate pointers, to allow yyoverflow
+ to reallocate them elsewhere. */
+
+ /* The state stack. */
+ yytype_int16 yyssa[YYINITDEPTH];
+ yytype_int16 *yyss;
+ yytype_int16 *yyssp;
+
+ /* The semantic value stack. */
+ YYSTYPE yyvsa[YYINITDEPTH];
+ YYSTYPE *yyvs;
+ YYSTYPE *yyvsp;
+
+ YYSIZE_T yystacksize;
+
+ int yyn;
+ int yyresult;
+ /* Lookahead token as an internal (translated) token number. */
+ int yytoken;
+ /* The variables used to return semantic value and location from the
+ action routines. */
+ YYSTYPE yyval;
+
+#if YYERROR_VERBOSE
+ /* Buffer for error messages, and its allocated size. */
+ char yymsgbuf[128];
+ char *yymsg = yymsgbuf;
+ YYSIZE_T yymsg_alloc = sizeof yymsgbuf;
+#endif
+
+#define YYPOPSTACK(N) (yyvsp -= (N), yyssp -= (N))
+
+ /* The number of symbols on the RHS of the reduced rule.
+ Keep to zero when no symbol should be popped. */
+ int yylen = 0;
+
+ yytoken = 0;
+ yyss = yyssa;
+ yyvs = yyvsa;
+ yystacksize = YYINITDEPTH;
+
+ YYDPRINTF ((stderr, "Starting parse\n"));
+
+ yystate = 0;
+ yyerrstatus = 0;
+ yynerrs = 0;
+ yychar = YYEMPTY; /* Cause a token to be read. */
+
+ /* Initialize stack pointers.
+ Waste one element of value and location stack
+ so that they stay on the same level as the state stack.
+ The wasted elements are never initialized. */
+ yyssp = yyss;
+ yyvsp = yyvs;
+
+ goto yysetstate;
+
+/*------------------------------------------------------------.
+| yynewstate -- Push a new state, which is found in yystate. |
+`------------------------------------------------------------*/
+ yynewstate:
+ /* In all cases, when you get here, the value and location stacks
+ have just been pushed. So pushing a state here evens the stacks. */
+ yyssp++;
+
+ yysetstate:
+ *yyssp = yystate;
+
+ if (yyss + yystacksize - 1 <= yyssp)
+ {
+ /* Get the current used size of the three stacks, in elements. */
+ YYSIZE_T yysize = yyssp - yyss + 1;
+
+#ifdef yyoverflow
+ {
+ /* Give user a chance to reallocate the stack. Use copies of
+ these so that the &'s don't force the real ones into
+ memory. */
+ YYSTYPE *yyvs1 = yyvs;
+ yytype_int16 *yyss1 = yyss;
+
+ /* Each stack pointer address is followed by the size of the
+ data in use in that stack, in bytes. This used to be a
+ conditional around just the two extra args, but that might
+ be undefined if yyoverflow is a macro. */
+ yyoverflow (YY_("memory exhausted"),
+ &yyss1, yysize * sizeof (*yyssp),
+ &yyvs1, yysize * sizeof (*yyvsp),
+ &yystacksize);
+
+ yyss = yyss1;
+ yyvs = yyvs1;
+ }
+#else /* no yyoverflow */
+# ifndef YYSTACK_RELOCATE
+ goto yyexhaustedlab;
+# else
+ /* Extend the stack our own way. */
+ if (YYMAXDEPTH <= yystacksize)
+ goto yyexhaustedlab;
+ yystacksize *= 2;
+ if (YYMAXDEPTH < yystacksize)
+ yystacksize = YYMAXDEPTH;
+
+ {
+ yytype_int16 *yyss1 = yyss;
+ union yyalloc *yyptr =
+ (union yyalloc *) YYSTACK_ALLOC (YYSTACK_BYTES (yystacksize));
+ if (! yyptr)
+ goto yyexhaustedlab;
+ YYSTACK_RELOCATE (yyss_alloc, yyss);
+ YYSTACK_RELOCATE (yyvs_alloc, yyvs);
+# undef YYSTACK_RELOCATE
+ if (yyss1 != yyssa)
+ YYSTACK_FREE (yyss1);
+ }
+# endif
+#endif /* no yyoverflow */
+
+ yyssp = yyss + yysize - 1;
+ yyvsp = yyvs + yysize - 1;
+
+ YYDPRINTF ((stderr, "Stack size increased to %lu\n",
+ (unsigned long int) yystacksize));
+
+ if (yyss + yystacksize - 1 <= yyssp)
+ YYABORT;
+ }
+
+ YYDPRINTF ((stderr, "Entering state %d\n", yystate));
+
+ if (yystate == YYFINAL)
+ YYACCEPT;
+
+ goto yybackup;
+
+/*-----------.
+| yybackup. |
+`-----------*/
+yybackup:
+
+ /* Do appropriate processing given the current state. Read a
+ lookahead token if we need one and don't already have one. */
+
+ /* First try to decide what to do without reference to lookahead token. */
+ yyn = yypact[yystate];
+ if (yyn == YYPACT_NINF)
+ goto yydefault;
+
+ /* Not known => get a lookahead token if don't already have one. */
+
+ /* YYCHAR is either YYEMPTY or YYEOF or a valid lookahead symbol. */
+ if (yychar == YYEMPTY)
+ {
+ YYDPRINTF ((stderr, "Reading a token: "));
+ yychar = YYLEX;
+ }
+
+ if (yychar <= YYEOF)
+ {
+ yychar = yytoken = YYEOF;
+ YYDPRINTF ((stderr, "Now at end of input.\n"));
+ }
+ else
+ {
+ yytoken = YYTRANSLATE (yychar);
+ YY_SYMBOL_PRINT ("Next token is", yytoken, &yylval, &yylloc);
+ }
+
+ /* If the proper action on seeing token YYTOKEN is to reduce or to
+ detect an error, take that action. */
+ yyn += yytoken;
+ if (yyn < 0 || YYLAST < yyn || yycheck[yyn] != yytoken)
+ goto yydefault;
+ yyn = yytable[yyn];
+ if (yyn <= 0)
+ {
+ if (yyn == 0 || yyn == YYTABLE_NINF)
+ goto yyerrlab;
+ yyn = -yyn;
+ goto yyreduce;
+ }
+
+ /* Count tokens shifted since error; after three, turn off error
+ status. */
+ if (yyerrstatus)
+ yyerrstatus--;
+
+ /* Shift the lookahead token. */
+ YY_SYMBOL_PRINT ("Shifting", yytoken, &yylval, &yylloc);
+
+ /* Discard the shifted token. */
+ yychar = YYEMPTY;
+
+ yystate = yyn;
+ *++yyvsp = yylval;
+
+ goto yynewstate;
+
+
+/*-----------------------------------------------------------.
+| yydefault -- do the default action for the current state. |
+`-----------------------------------------------------------*/
+yydefault:
+ yyn = yydefact[yystate];
+ if (yyn == 0)
+ goto yyerrlab;
+ goto yyreduce;
+
+
+/*-----------------------------.
+| yyreduce -- Do a reduction. |
+`-----------------------------*/
+yyreduce:
+ /* yyn is the number of a rule to reduce with. */
+ yylen = yyr2[yyn];
+
+ /* If YYLEN is nonzero, implement the default value of the action:
+ `$$ = $1'.
+
+ Otherwise, the following line sets YYVAL to garbage.
+ This behavior is undocumented and Bison
+ users should not rely upon it. Assigning to YYVAL
+ unconditionally makes the parser a bit smaller, and it avoids a
+ GCC warning that YYVAL may be used uninitialized. */
+ yyval = yyvsp[1-yylen];
+
+
+ YY_REDUCE_PRINT (yyn);
+ switch (yyn)
+ {
+ case 2:
+
+ {
+ // The symbol table search was done in the lexical phase
+ const TSymbol* symbol = (yyvsp[(1) - (1)].lex).symbol;
+ const TVariable* variable;
+ if (symbol == 0) {
+ context->error((yyvsp[(1) - (1)].lex).line, "undeclared identifier", (yyvsp[(1) - (1)].lex).string->c_str());
+ context->recover();
+ TType type(EbtFloat, EbpUndefined);
+ TVariable* fakeVariable = new TVariable((yyvsp[(1) - (1)].lex).string, type);
+ context->symbolTable.insert(*fakeVariable);
+ variable = fakeVariable;
+ } else {
+ // This identifier can only be a variable type symbol
+ if (! symbol->isVariable()) {
+ context->error((yyvsp[(1) - (1)].lex).line, "variable expected", (yyvsp[(1) - (1)].lex).string->c_str());
+ context->recover();
+ }
+ variable = static_cast<const TVariable*>(symbol);
+ }
+
+ // don't delete $1.string, it's used by error recovery, and the pool
+ // pop will reclaim the memory
+
+ if (variable->getType().getQualifier() == EvqConst ) {
+ ConstantUnion* constArray = variable->getConstPointer();
+ TType t(variable->getType());
+ (yyval.interm.intermTypedNode) = context->intermediate.addConstantUnion(constArray, t, (yyvsp[(1) - (1)].lex).line);
+ } else
+ (yyval.interm.intermTypedNode) = context->intermediate.addSymbol(variable->getUniqueId(),
+ variable->getName(),
+ variable->getType(), (yyvsp[(1) - (1)].lex).line);
+ }
+ break;
+
+ case 3:
+
+ {
+ (yyval.interm.intermTypedNode) = (yyvsp[(1) - (1)].interm.intermTypedNode);
+ }
+ break;
+
+ case 4:
+
+ {
+ //
+ // INT_TYPE is only 16-bit plus sign bit for vertex/fragment shaders,
+ // check for overflow for constants
+ //
+ if (abs((yyvsp[(1) - (1)].lex).i) >= (1 << 16)) {
+ context->error((yyvsp[(1) - (1)].lex).line, " integer constant overflow", "");
+ context->recover();
+ }
+ ConstantUnion *unionArray = new ConstantUnion[1];
+ unionArray->setIConst((yyvsp[(1) - (1)].lex).i);
+ (yyval.interm.intermTypedNode) = context->intermediate.addConstantUnion(unionArray, TType(EbtInt, EbpUndefined, EvqConst), (yyvsp[(1) - (1)].lex).line);
+ }
+ break;
+
+ case 5:
+
+ {
+ ConstantUnion *unionArray = new ConstantUnion[1];
+ unionArray->setFConst((yyvsp[(1) - (1)].lex).f);
+ (yyval.interm.intermTypedNode) = context->intermediate.addConstantUnion(unionArray, TType(EbtFloat, EbpUndefined, EvqConst), (yyvsp[(1) - (1)].lex).line);
+ }
+ break;
+
+ case 6:
+
+ {
+ ConstantUnion *unionArray = new ConstantUnion[1];
+ unionArray->setBConst((yyvsp[(1) - (1)].lex).b);
+ (yyval.interm.intermTypedNode) = context->intermediate.addConstantUnion(unionArray, TType(EbtBool, EbpUndefined, EvqConst), (yyvsp[(1) - (1)].lex).line);
+ }
+ break;
+
+ case 7:
+
+ {
+ (yyval.interm.intermTypedNode) = (yyvsp[(2) - (3)].interm.intermTypedNode);
+ }
+ break;
+
+ case 8:
+
+ {
+ (yyval.interm.intermTypedNode) = (yyvsp[(1) - (1)].interm.intermTypedNode);
+ }
+ break;
+
+ case 9:
+
+ {
+ if (!(yyvsp[(1) - (4)].interm.intermTypedNode)->isArray() && !(yyvsp[(1) - (4)].interm.intermTypedNode)->isMatrix() && !(yyvsp[(1) - (4)].interm.intermTypedNode)->isVector()) {
+ if ((yyvsp[(1) - (4)].interm.intermTypedNode)->getAsSymbolNode())
+ context->error((yyvsp[(2) - (4)].lex).line, " left of '[' is not of type array, matrix, or vector ", (yyvsp[(1) - (4)].interm.intermTypedNode)->getAsSymbolNode()->getSymbol().c_str());
+ else
+ context->error((yyvsp[(2) - (4)].lex).line, " left of '[' is not of type array, matrix, or vector ", "expression");
+ context->recover();
+ }
+ if ((yyvsp[(1) - (4)].interm.intermTypedNode)->getType().getQualifier() == EvqConst && (yyvsp[(3) - (4)].interm.intermTypedNode)->getQualifier() == EvqConst) {
+ if ((yyvsp[(1) - (4)].interm.intermTypedNode)->isArray()) { // constant folding for arrays
+ (yyval.interm.intermTypedNode) = context->addConstArrayNode((yyvsp[(3) - (4)].interm.intermTypedNode)->getAsConstantUnion()->getUnionArrayPointer()->getIConst(), (yyvsp[(1) - (4)].interm.intermTypedNode), (yyvsp[(2) - (4)].lex).line);
+ } else if ((yyvsp[(1) - (4)].interm.intermTypedNode)->isVector()) { // constant folding for vectors
+ TVectorFields fields;
+ fields.num = 1;
+ fields.offsets[0] = (yyvsp[(3) - (4)].interm.intermTypedNode)->getAsConstantUnion()->getUnionArrayPointer()->getIConst(); // need to do it this way because v.xy sends fields integer array
+ (yyval.interm.intermTypedNode) = context->addConstVectorNode(fields, (yyvsp[(1) - (4)].interm.intermTypedNode), (yyvsp[(2) - (4)].lex).line);
+ } else if ((yyvsp[(1) - (4)].interm.intermTypedNode)->isMatrix()) { // constant folding for matrices
+ (yyval.interm.intermTypedNode) = context->addConstMatrixNode((yyvsp[(3) - (4)].interm.intermTypedNode)->getAsConstantUnion()->getUnionArrayPointer()->getIConst(), (yyvsp[(1) - (4)].interm.intermTypedNode), (yyvsp[(2) - (4)].lex).line);
+ }
+ } else {
+ if ((yyvsp[(3) - (4)].interm.intermTypedNode)->getQualifier() == EvqConst) {
+ if (((yyvsp[(1) - (4)].interm.intermTypedNode)->isVector() || (yyvsp[(1) - (4)].interm.intermTypedNode)->isMatrix()) && (yyvsp[(1) - (4)].interm.intermTypedNode)->getType().getNominalSize() <= (yyvsp[(3) - (4)].interm.intermTypedNode)->getAsConstantUnion()->getUnionArrayPointer()->getIConst() && !(yyvsp[(1) - (4)].interm.intermTypedNode)->isArray() ) {
+ std::stringstream extraInfoStream;
+ extraInfoStream << "field selection out of range '" << (yyvsp[(3) - (4)].interm.intermTypedNode)->getAsConstantUnion()->getUnionArrayPointer()->getIConst() << "'";
+ std::string extraInfo = extraInfoStream.str();
+ context->error((yyvsp[(2) - (4)].lex).line, "", "[", extraInfo.c_str());
+ context->recover();
+ } else {
+ if ((yyvsp[(1) - (4)].interm.intermTypedNode)->isArray()) {
+ if ((yyvsp[(1) - (4)].interm.intermTypedNode)->getType().getArraySize() == 0) {
+ if ((yyvsp[(1) - (4)].interm.intermTypedNode)->getType().getMaxArraySize() <= (yyvsp[(3) - (4)].interm.intermTypedNode)->getAsConstantUnion()->getUnionArrayPointer()->getIConst()) {
+ if (context->arraySetMaxSize((yyvsp[(1) - (4)].interm.intermTypedNode)->getAsSymbolNode(), (yyvsp[(1) - (4)].interm.intermTypedNode)->getTypePointer(), (yyvsp[(3) - (4)].interm.intermTypedNode)->getAsConstantUnion()->getUnionArrayPointer()->getIConst(), true, (yyvsp[(2) - (4)].lex).line))
+ context->recover();
+ } else {
+ if (context->arraySetMaxSize((yyvsp[(1) - (4)].interm.intermTypedNode)->getAsSymbolNode(), (yyvsp[(1) - (4)].interm.intermTypedNode)->getTypePointer(), 0, false, (yyvsp[(2) - (4)].lex).line))
+ context->recover();
+ }
+ } else if ( (yyvsp[(3) - (4)].interm.intermTypedNode)->getAsConstantUnion()->getUnionArrayPointer()->getIConst() >= (yyvsp[(1) - (4)].interm.intermTypedNode)->getType().getArraySize()) {
+ std::stringstream extraInfoStream;
+ extraInfoStream << "array index out of range '" << (yyvsp[(3) - (4)].interm.intermTypedNode)->getAsConstantUnion()->getUnionArrayPointer()->getIConst() << "'";
+ std::string extraInfo = extraInfoStream.str();
+ context->error((yyvsp[(2) - (4)].lex).line, "", "[", extraInfo.c_str());
+ context->recover();
+ }
+ }
+ (yyval.interm.intermTypedNode) = context->intermediate.addIndex(EOpIndexDirect, (yyvsp[(1) - (4)].interm.intermTypedNode), (yyvsp[(3) - (4)].interm.intermTypedNode), (yyvsp[(2) - (4)].lex).line);
+ }
+ } else {
+ if ((yyvsp[(1) - (4)].interm.intermTypedNode)->isArray() && (yyvsp[(1) - (4)].interm.intermTypedNode)->getType().getArraySize() == 0) {
+ context->error((yyvsp[(2) - (4)].lex).line, "", "[", "array must be redeclared with a size before being indexed with a variable");
+ context->recover();
+ }
+
+ (yyval.interm.intermTypedNode) = context->intermediate.addIndex(EOpIndexIndirect, (yyvsp[(1) - (4)].interm.intermTypedNode), (yyvsp[(3) - (4)].interm.intermTypedNode), (yyvsp[(2) - (4)].lex).line);
+ }
+ }
+ if ((yyval.interm.intermTypedNode) == 0) {
+ ConstantUnion *unionArray = new ConstantUnion[1];
+ unionArray->setFConst(0.0f);
+ (yyval.interm.intermTypedNode) = context->intermediate.addConstantUnion(unionArray, TType(EbtFloat, EbpHigh, EvqConst), (yyvsp[(2) - (4)].lex).line);
+ } else if ((yyvsp[(1) - (4)].interm.intermTypedNode)->isArray()) {
+ if ((yyvsp[(1) - (4)].interm.intermTypedNode)->getType().getStruct())
+ (yyval.interm.intermTypedNode)->setType(TType((yyvsp[(1) - (4)].interm.intermTypedNode)->getType().getStruct(), (yyvsp[(1) - (4)].interm.intermTypedNode)->getType().getTypeName()));
+ else
+ (yyval.interm.intermTypedNode)->setType(TType((yyvsp[(1) - (4)].interm.intermTypedNode)->getBasicType(), (yyvsp[(1) - (4)].interm.intermTypedNode)->getPrecision(), EvqTemporary, (yyvsp[(1) - (4)].interm.intermTypedNode)->getNominalSize(), (yyvsp[(1) - (4)].interm.intermTypedNode)->isMatrix()));
+
+ if ((yyvsp[(1) - (4)].interm.intermTypedNode)->getType().getQualifier() == EvqConst)
+ (yyval.interm.intermTypedNode)->getTypePointer()->setQualifier(EvqConst);
+ } else if ((yyvsp[(1) - (4)].interm.intermTypedNode)->isMatrix() && (yyvsp[(1) - (4)].interm.intermTypedNode)->getType().getQualifier() == EvqConst)
+ (yyval.interm.intermTypedNode)->setType(TType((yyvsp[(1) - (4)].interm.intermTypedNode)->getBasicType(), (yyvsp[(1) - (4)].interm.intermTypedNode)->getPrecision(), EvqConst, (yyvsp[(1) - (4)].interm.intermTypedNode)->getNominalSize()));
+ else if ((yyvsp[(1) - (4)].interm.intermTypedNode)->isMatrix())
+ (yyval.interm.intermTypedNode)->setType(TType((yyvsp[(1) - (4)].interm.intermTypedNode)->getBasicType(), (yyvsp[(1) - (4)].interm.intermTypedNode)->getPrecision(), EvqTemporary, (yyvsp[(1) - (4)].interm.intermTypedNode)->getNominalSize()));
+ else if ((yyvsp[(1) - (4)].interm.intermTypedNode)->isVector() && (yyvsp[(1) - (4)].interm.intermTypedNode)->getType().getQualifier() == EvqConst)
+ (yyval.interm.intermTypedNode)->setType(TType((yyvsp[(1) - (4)].interm.intermTypedNode)->getBasicType(), (yyvsp[(1) - (4)].interm.intermTypedNode)->getPrecision(), EvqConst));
+ else if ((yyvsp[(1) - (4)].interm.intermTypedNode)->isVector())
+ (yyval.interm.intermTypedNode)->setType(TType((yyvsp[(1) - (4)].interm.intermTypedNode)->getBasicType(), (yyvsp[(1) - (4)].interm.intermTypedNode)->getPrecision(), EvqTemporary));
+ else
+ (yyval.interm.intermTypedNode)->setType((yyvsp[(1) - (4)].interm.intermTypedNode)->getType());
+ }
+ break;
+
+ case 10:
+
+ {
+ (yyval.interm.intermTypedNode) = (yyvsp[(1) - (1)].interm.intermTypedNode);
+ }
+ break;
+
+ case 11:
+
+ {
+ if ((yyvsp[(1) - (3)].interm.intermTypedNode)->isArray()) {
+ context->error((yyvsp[(3) - (3)].lex).line, "cannot apply dot operator to an array", ".");
+ context->recover();
+ }
+
+ if ((yyvsp[(1) - (3)].interm.intermTypedNode)->isVector()) {
+ TVectorFields fields;
+ if (! context->parseVectorFields(*(yyvsp[(3) - (3)].lex).string, (yyvsp[(1) - (3)].interm.intermTypedNode)->getNominalSize(), fields, (yyvsp[(3) - (3)].lex).line)) {
+ fields.num = 1;
+ fields.offsets[0] = 0;
+ context->recover();
+ }
+
+ if ((yyvsp[(1) - (3)].interm.intermTypedNode)->getType().getQualifier() == EvqConst) { // constant folding for vector fields
+ (yyval.interm.intermTypedNode) = context->addConstVectorNode(fields, (yyvsp[(1) - (3)].interm.intermTypedNode), (yyvsp[(3) - (3)].lex).line);
+ if ((yyval.interm.intermTypedNode) == 0) {
+ context->recover();
+ (yyval.interm.intermTypedNode) = (yyvsp[(1) - (3)].interm.intermTypedNode);
+ }
+ else
+ (yyval.interm.intermTypedNode)->setType(TType((yyvsp[(1) - (3)].interm.intermTypedNode)->getBasicType(), (yyvsp[(1) - (3)].interm.intermTypedNode)->getPrecision(), EvqConst, (int) (*(yyvsp[(3) - (3)].lex).string).size()));
+ } else {
+ TString vectorString = *(yyvsp[(3) - (3)].lex).string;
+ TIntermTyped* index = context->intermediate.addSwizzle(fields, (yyvsp[(3) - (3)].lex).line);
+ (yyval.interm.intermTypedNode) = context->intermediate.addIndex(EOpVectorSwizzle, (yyvsp[(1) - (3)].interm.intermTypedNode), index, (yyvsp[(2) - (3)].lex).line);
+ (yyval.interm.intermTypedNode)->setType(TType((yyvsp[(1) - (3)].interm.intermTypedNode)->getBasicType(), (yyvsp[(1) - (3)].interm.intermTypedNode)->getPrecision(), EvqTemporary, (int) vectorString.size()));
+ }
+ } else if ((yyvsp[(1) - (3)].interm.intermTypedNode)->isMatrix()) {
+ TMatrixFields fields;
+ if (! context->parseMatrixFields(*(yyvsp[(3) - (3)].lex).string, (yyvsp[(1) - (3)].interm.intermTypedNode)->getNominalSize(), fields, (yyvsp[(3) - (3)].lex).line)) {
+ fields.wholeRow = false;
+ fields.wholeCol = false;
+ fields.row = 0;
+ fields.col = 0;
+ context->recover();
+ }
+
+ if (fields.wholeRow || fields.wholeCol) {
+ context->error((yyvsp[(2) - (3)].lex).line, " non-scalar fields not implemented yet", ".");
+ context->recover();
+ ConstantUnion *unionArray = new ConstantUnion[1];
+ unionArray->setIConst(0);
+ TIntermTyped* index = context->intermediate.addConstantUnion(unionArray, TType(EbtInt, EbpUndefined, EvqConst), (yyvsp[(3) - (3)].lex).line);
+ (yyval.interm.intermTypedNode) = context->intermediate.addIndex(EOpIndexDirect, (yyvsp[(1) - (3)].interm.intermTypedNode), index, (yyvsp[(2) - (3)].lex).line);
+ (yyval.interm.intermTypedNode)->setType(TType((yyvsp[(1) - (3)].interm.intermTypedNode)->getBasicType(), (yyvsp[(1) - (3)].interm.intermTypedNode)->getPrecision(),EvqTemporary, (yyvsp[(1) - (3)].interm.intermTypedNode)->getNominalSize()));
+ } else {
+ ConstantUnion *unionArray = new ConstantUnion[1];
+ unionArray->setIConst(fields.col * (yyvsp[(1) - (3)].interm.intermTypedNode)->getNominalSize() + fields.row);
+ TIntermTyped* index = context->intermediate.addConstantUnion(unionArray, TType(EbtInt, EbpUndefined, EvqConst), (yyvsp[(3) - (3)].lex).line);
+ (yyval.interm.intermTypedNode) = context->intermediate.addIndex(EOpIndexDirect, (yyvsp[(1) - (3)].interm.intermTypedNode), index, (yyvsp[(2) - (3)].lex).line);
+ (yyval.interm.intermTypedNode)->setType(TType((yyvsp[(1) - (3)].interm.intermTypedNode)->getBasicType(), (yyvsp[(1) - (3)].interm.intermTypedNode)->getPrecision()));
+ }
+ } else if ((yyvsp[(1) - (3)].interm.intermTypedNode)->getBasicType() == EbtStruct) {
+ bool fieldFound = false;
+ const TTypeList* fields = (yyvsp[(1) - (3)].interm.intermTypedNode)->getType().getStruct();
+ if (fields == 0) {
+ context->error((yyvsp[(2) - (3)].lex).line, "structure has no fields", "Internal Error");
+ context->recover();
+ (yyval.interm.intermTypedNode) = (yyvsp[(1) - (3)].interm.intermTypedNode);
+ } else {
+ unsigned int i;
+ for (i = 0; i < fields->size(); ++i) {
+ if ((*fields)[i].type->getFieldName() == *(yyvsp[(3) - (3)].lex).string) {
+ fieldFound = true;
+ break;
+ }
+ }
+ if (fieldFound) {
+ if ((yyvsp[(1) - (3)].interm.intermTypedNode)->getType().getQualifier() == EvqConst) {
+ (yyval.interm.intermTypedNode) = context->addConstStruct(*(yyvsp[(3) - (3)].lex).string, (yyvsp[(1) - (3)].interm.intermTypedNode), (yyvsp[(2) - (3)].lex).line);
+ if ((yyval.interm.intermTypedNode) == 0) {
+ context->recover();
+ (yyval.interm.intermTypedNode) = (yyvsp[(1) - (3)].interm.intermTypedNode);
+ }
+ else {
+ (yyval.interm.intermTypedNode)->setType(*(*fields)[i].type);
+ // change the qualifier of the return type, not of the structure field
+ // as the structure definition is shared between various structures.
+ (yyval.interm.intermTypedNode)->getTypePointer()->setQualifier(EvqConst);
+ }
+ } else {
+ ConstantUnion *unionArray = new ConstantUnion[1];
+ unionArray->setIConst(i);
+ TIntermTyped* index = context->intermediate.addConstantUnion(unionArray, *(*fields)[i].type, (yyvsp[(3) - (3)].lex).line);
+ (yyval.interm.intermTypedNode) = context->intermediate.addIndex(EOpIndexDirectStruct, (yyvsp[(1) - (3)].interm.intermTypedNode), index, (yyvsp[(2) - (3)].lex).line);
+ (yyval.interm.intermTypedNode)->setType(*(*fields)[i].type);
+ }
+ } else {
+ context->error((yyvsp[(2) - (3)].lex).line, " no such field in structure", (yyvsp[(3) - (3)].lex).string->c_str());
+ context->recover();
+ (yyval.interm.intermTypedNode) = (yyvsp[(1) - (3)].interm.intermTypedNode);
+ }
+ }
+ } else {
+ context->error((yyvsp[(2) - (3)].lex).line, " field selection requires structure, vector, or matrix on left hand side", (yyvsp[(3) - (3)].lex).string->c_str());
+ context->recover();
+ (yyval.interm.intermTypedNode) = (yyvsp[(1) - (3)].interm.intermTypedNode);
+ }
+ // don't delete $3.string, it's from the pool
+ }
+ break;
+
+ case 12:
+
+ {
+ if (context->lValueErrorCheck((yyvsp[(2) - (2)].lex).line, "++", (yyvsp[(1) - (2)].interm.intermTypedNode)))
+ context->recover();
+ (yyval.interm.intermTypedNode) = context->intermediate.addUnaryMath(EOpPostIncrement, (yyvsp[(1) - (2)].interm.intermTypedNode), (yyvsp[(2) - (2)].lex).line, context->symbolTable);
+ if ((yyval.interm.intermTypedNode) == 0) {
+ context->unaryOpError((yyvsp[(2) - (2)].lex).line, "++", (yyvsp[(1) - (2)].interm.intermTypedNode)->getCompleteString());
+ context->recover();
+ (yyval.interm.intermTypedNode) = (yyvsp[(1) - (2)].interm.intermTypedNode);
+ }
+ }
+ break;
+
+ case 13:
+
+ {
+ if (context->lValueErrorCheck((yyvsp[(2) - (2)].lex).line, "--", (yyvsp[(1) - (2)].interm.intermTypedNode)))
+ context->recover();
+ (yyval.interm.intermTypedNode) = context->intermediate.addUnaryMath(EOpPostDecrement, (yyvsp[(1) - (2)].interm.intermTypedNode), (yyvsp[(2) - (2)].lex).line, context->symbolTable);
+ if ((yyval.interm.intermTypedNode) == 0) {
+ context->unaryOpError((yyvsp[(2) - (2)].lex).line, "--", (yyvsp[(1) - (2)].interm.intermTypedNode)->getCompleteString());
+ context->recover();
+ (yyval.interm.intermTypedNode) = (yyvsp[(1) - (2)].interm.intermTypedNode);
+ }
+ }
+ break;
+
+ case 14:
+
+ {
+ if (context->integerErrorCheck((yyvsp[(1) - (1)].interm.intermTypedNode), "[]"))
+ context->recover();
+ (yyval.interm.intermTypedNode) = (yyvsp[(1) - (1)].interm.intermTypedNode);
+ }
+ break;
+
+ case 15:
+
+ {
+ TFunction* fnCall = (yyvsp[(1) - (1)].interm).function;
+ TOperator op = fnCall->getBuiltInOp();
+
+ if (op != EOpNull)
+ {
+ //
+ // Then this should be a constructor.
+ // Don't go through the symbol table for constructors.
+ // Their parameters will be verified algorithmically.
+ //
+ TType type(EbtVoid, EbpUndefined); // use this to get the type back
+ if (context->constructorErrorCheck((yyvsp[(1) - (1)].interm).line, (yyvsp[(1) - (1)].interm).intermNode, *fnCall, op, &type)) {
+ (yyval.interm.intermTypedNode) = 0;
+ } else {
+ //
+ // It's a constructor, of type 'type'.
+ //
+ (yyval.interm.intermTypedNode) = context->addConstructor((yyvsp[(1) - (1)].interm).intermNode, &type, op, fnCall, (yyvsp[(1) - (1)].interm).line);
+ }
+
+ if ((yyval.interm.intermTypedNode) == 0) {
+ context->recover();
+ (yyval.interm.intermTypedNode) = context->intermediate.setAggregateOperator(0, op, (yyvsp[(1) - (1)].interm).line);
+ }
+ (yyval.interm.intermTypedNode)->setType(type);
+ } else {
+ //
+ // Not a constructor. Find it in the symbol table.
+ //
+ const TFunction* fnCandidate;
+ bool builtIn;
+ fnCandidate = context->findFunction((yyvsp[(1) - (1)].interm).line, fnCall, &builtIn);
+ if (fnCandidate) {
+ //
+ // A declared function.
+ //
+ if (builtIn && !fnCandidate->getExtension().empty() &&
+ context->extensionErrorCheck((yyvsp[(1) - (1)].interm).line, fnCandidate->getExtension())) {
+ context->recover();
+ }
+ op = fnCandidate->getBuiltInOp();
+ if (builtIn && op != EOpNull) {
+ //
+ // A function call mapped to a built-in operation.
+ //
+ if (fnCandidate->getParamCount() == 1) {
+ //
+ // Treat it like a built-in unary operator.
+ //
+ (yyval.interm.intermTypedNode) = context->intermediate.addUnaryMath(op, (yyvsp[(1) - (1)].interm).intermNode, 0, context->symbolTable);
+ if ((yyval.interm.intermTypedNode) == 0) {
+ std::stringstream extraInfoStream;
+ extraInfoStream << "built in unary operator function. Type: " << static_cast<TIntermTyped*>((yyvsp[(1) - (1)].interm).intermNode)->getCompleteString();
+ std::string extraInfo = extraInfoStream.str();
+ context->error((yyvsp[(1) - (1)].interm).intermNode->getLine(), " wrong operand type", "Internal Error", extraInfo.c_str());
+ YYERROR;
+ }
+ } else {
+ (yyval.interm.intermTypedNode) = context->intermediate.setAggregateOperator((yyvsp[(1) - (1)].interm).intermAggregate, op, (yyvsp[(1) - (1)].interm).line);
+ }
+ } else {
+ // This is a real function call
+
+ (yyval.interm.intermTypedNode) = context->intermediate.setAggregateOperator((yyvsp[(1) - (1)].interm).intermAggregate, EOpFunctionCall, (yyvsp[(1) - (1)].interm).line);
+ (yyval.interm.intermTypedNode)->setType(fnCandidate->getReturnType());
+
+ // this is how we know whether the given function is a builtIn function or a user defined function
+ // if builtIn == false, it's a userDefined -> could be an overloaded builtIn function also
+ // if builtIn == true, it's definitely a builtIn function with EOpNull
+ if (!builtIn)
+ (yyval.interm.intermTypedNode)->getAsAggregate()->setUserDefined();
+ (yyval.interm.intermTypedNode)->getAsAggregate()->setName(fnCandidate->getMangledName());
+
+ TQualifier qual;
+ for (int i = 0; i < fnCandidate->getParamCount(); ++i) {
+ qual = fnCandidate->getParam(i).type->getQualifier();
+ if (qual == EvqOut || qual == EvqInOut) {
+ if (context->lValueErrorCheck((yyval.interm.intermTypedNode)->getLine(), "assign", (yyval.interm.intermTypedNode)->getAsAggregate()->getSequence()[i]->getAsTyped())) {
+ context->error((yyvsp[(1) - (1)].interm).intermNode->getLine(), "Constant value cannot be passed for 'out' or 'inout' parameters.", "Error");
+ context->recover();
+ }
+ }
+ }
+ }
+ (yyval.interm.intermTypedNode)->setType(fnCandidate->getReturnType());
+ } else {
+ // error message was put out by PaFindFunction()
+ // Put on a dummy node for error recovery
+ ConstantUnion *unionArray = new ConstantUnion[1];
+ unionArray->setFConst(0.0f);
+ (yyval.interm.intermTypedNode) = context->intermediate.addConstantUnion(unionArray, TType(EbtFloat, EbpUndefined, EvqConst), (yyvsp[(1) - (1)].interm).line);
+ context->recover();
+ }
+ }
+ delete fnCall;
+ }
+ break;
+
+ case 16:
+
+ {
+ (yyval.interm) = (yyvsp[(1) - (1)].interm);
+ }
+ break;
+
+ case 17:
+
+ {
+ context->error((yyvsp[(3) - (3)].interm).line, "methods are not supported", "");
+ context->recover();
+ (yyval.interm) = (yyvsp[(3) - (3)].interm);
+ }
+ break;
+
+ case 18:
+
+ {
+ (yyval.interm) = (yyvsp[(1) - (2)].interm);
+ (yyval.interm).line = (yyvsp[(2) - (2)].lex).line;
+ }
+ break;
+
+ case 19:
+
+ {
+ (yyval.interm) = (yyvsp[(1) - (2)].interm);
+ (yyval.interm).line = (yyvsp[(2) - (2)].lex).line;
+ }
+ break;
+
+ case 20:
+
+ {
+ (yyval.interm).function = (yyvsp[(1) - (2)].interm.function);
+ (yyval.interm).intermNode = 0;
+ }
+ break;
+
+ case 21:
+
+ {
+ (yyval.interm).function = (yyvsp[(1) - (1)].interm.function);
+ (yyval.interm).intermNode = 0;
+ }
+ break;
+
+ case 22:
+
+ {
+ TParameter param = { 0, new TType((yyvsp[(2) - (2)].interm.intermTypedNode)->getType()) };
+ (yyvsp[(1) - (2)].interm.function)->addParameter(param);
+ (yyval.interm).function = (yyvsp[(1) - (2)].interm.function);
+ (yyval.interm).intermNode = (yyvsp[(2) - (2)].interm.intermTypedNode);
+ }
+ break;
+
+ case 23:
+
+ {
+ TParameter param = { 0, new TType((yyvsp[(3) - (3)].interm.intermTypedNode)->getType()) };
+ (yyvsp[(1) - (3)].interm).function->addParameter(param);
+ (yyval.interm).function = (yyvsp[(1) - (3)].interm).function;
+ (yyval.interm).intermNode = context->intermediate.growAggregate((yyvsp[(1) - (3)].interm).intermNode, (yyvsp[(3) - (3)].interm.intermTypedNode), (yyvsp[(2) - (3)].lex).line);
+ }
+ break;
+
+ case 24:
+
+ {
+ (yyval.interm.function) = (yyvsp[(1) - (2)].interm.function);
+ }
+ break;
+
+ case 25:
+
+ {
+ //
+ // Constructor
+ //
+ TOperator op = EOpNull;
+ if ((yyvsp[(1) - (1)].interm.type).userDef) {
+ op = EOpConstructStruct;
+ } else {
+ switch ((yyvsp[(1) - (1)].interm.type).type) {
+ case EbtFloat:
+ if ((yyvsp[(1) - (1)].interm.type).matrix) {
+ switch((yyvsp[(1) - (1)].interm.type).size) {
+ case 2: op = EOpConstructMat2; break;
+ case 3: op = EOpConstructMat3; break;
+ case 4: op = EOpConstructMat4; break;
+ }
+ } else {
+ switch((yyvsp[(1) - (1)].interm.type).size) {
+ case 1: op = EOpConstructFloat; break;
+ case 2: op = EOpConstructVec2; break;
+ case 3: op = EOpConstructVec3; break;
+ case 4: op = EOpConstructVec4; break;
+ }
+ }
+ break;
+ case EbtInt:
+ switch((yyvsp[(1) - (1)].interm.type).size) {
+ case 1: op = EOpConstructInt; break;
+ case 2: FRAG_VERT_ONLY("ivec2", (yyvsp[(1) - (1)].interm.type).line); op = EOpConstructIVec2; break;
+ case 3: FRAG_VERT_ONLY("ivec3", (yyvsp[(1) - (1)].interm.type).line); op = EOpConstructIVec3; break;
+ case 4: FRAG_VERT_ONLY("ivec4", (yyvsp[(1) - (1)].interm.type).line); op = EOpConstructIVec4; break;
+ }
+ break;
+ case EbtBool:
+ switch((yyvsp[(1) - (1)].interm.type).size) {
+ case 1: op = EOpConstructBool; break;
+ case 2: FRAG_VERT_ONLY("bvec2", (yyvsp[(1) - (1)].interm.type).line); op = EOpConstructBVec2; break;
+ case 3: FRAG_VERT_ONLY("bvec3", (yyvsp[(1) - (1)].interm.type).line); op = EOpConstructBVec3; break;
+ case 4: FRAG_VERT_ONLY("bvec4", (yyvsp[(1) - (1)].interm.type).line); op = EOpConstructBVec4; break;
+ }
+ break;
+ default: break;
+ }
+ if (op == EOpNull) {
+ context->error((yyvsp[(1) - (1)].interm.type).line, "cannot construct this type", getBasicString((yyvsp[(1) - (1)].interm.type).type));
+ context->recover();
+ (yyvsp[(1) - (1)].interm.type).type = EbtFloat;
+ op = EOpConstructFloat;
+ }
+ }
+ TString tempString;
+ TType type((yyvsp[(1) - (1)].interm.type));
+ TFunction *function = new TFunction(&tempString, type, op);
+ (yyval.interm.function) = function;
+ }
+ break;
+
+ case 26:
+
+ {
+ if (context->reservedErrorCheck((yyvsp[(1) - (1)].lex).line, *(yyvsp[(1) - (1)].lex).string))
+ context->recover();
+ TType type(EbtVoid, EbpUndefined);
+ TFunction *function = new TFunction((yyvsp[(1) - (1)].lex).string, type);
+ (yyval.interm.function) = function;
+ }
+ break;
+
+ case 27:
+
+ {
+ if (context->reservedErrorCheck((yyvsp[(1) - (1)].lex).line, *(yyvsp[(1) - (1)].lex).string))
+ context->recover();
+ TType type(EbtVoid, EbpUndefined);
+ TFunction *function = new TFunction((yyvsp[(1) - (1)].lex).string, type);
+ (yyval.interm.function) = function;
+ }
+ break;
+
+ case 28:
+
+ {
+ (yyval.interm.intermTypedNode) = (yyvsp[(1) - (1)].interm.intermTypedNode);
+ }
+ break;
+
+ case 29:
+
+ {
+ if (context->lValueErrorCheck((yyvsp[(1) - (2)].lex).line, "++", (yyvsp[(2) - (2)].interm.intermTypedNode)))
+ context->recover();
+ (yyval.interm.intermTypedNode) = context->intermediate.addUnaryMath(EOpPreIncrement, (yyvsp[(2) - (2)].interm.intermTypedNode), (yyvsp[(1) - (2)].lex).line, context->symbolTable);
+ if ((yyval.interm.intermTypedNode) == 0) {
+ context->unaryOpError((yyvsp[(1) - (2)].lex).line, "++", (yyvsp[(2) - (2)].interm.intermTypedNode)->getCompleteString());
+ context->recover();
+ (yyval.interm.intermTypedNode) = (yyvsp[(2) - (2)].interm.intermTypedNode);
+ }
+ }
+ break;
+
+ case 30:
+
+ {
+ if (context->lValueErrorCheck((yyvsp[(1) - (2)].lex).line, "--", (yyvsp[(2) - (2)].interm.intermTypedNode)))
+ context->recover();
+ (yyval.interm.intermTypedNode) = context->intermediate.addUnaryMath(EOpPreDecrement, (yyvsp[(2) - (2)].interm.intermTypedNode), (yyvsp[(1) - (2)].lex).line, context->symbolTable);
+ if ((yyval.interm.intermTypedNode) == 0) {
+ context->unaryOpError((yyvsp[(1) - (2)].lex).line, "--", (yyvsp[(2) - (2)].interm.intermTypedNode)->getCompleteString());
+ context->recover();
+ (yyval.interm.intermTypedNode) = (yyvsp[(2) - (2)].interm.intermTypedNode);
+ }
+ }
+ break;
+
+ case 31:
+
+ {
+ if ((yyvsp[(1) - (2)].interm).op != EOpNull) {
+ (yyval.interm.intermTypedNode) = context->intermediate.addUnaryMath((yyvsp[(1) - (2)].interm).op, (yyvsp[(2) - (2)].interm.intermTypedNode), (yyvsp[(1) - (2)].interm).line, context->symbolTable);
+ if ((yyval.interm.intermTypedNode) == 0) {
+ const char* errorOp = "";
+ switch((yyvsp[(1) - (2)].interm).op) {
+ case EOpNegative: errorOp = "-"; break;
+ case EOpLogicalNot: errorOp = "!"; break;
+ default: break;
+ }
+ context->unaryOpError((yyvsp[(1) - (2)].interm).line, errorOp, (yyvsp[(2) - (2)].interm.intermTypedNode)->getCompleteString());
+ context->recover();
+ (yyval.interm.intermTypedNode) = (yyvsp[(2) - (2)].interm.intermTypedNode);
+ }
+ } else
+ (yyval.interm.intermTypedNode) = (yyvsp[(2) - (2)].interm.intermTypedNode);
+ }
+ break;
+
+ case 32:
+
+ { (yyval.interm).line = (yyvsp[(1) - (1)].lex).line; (yyval.interm).op = EOpNull; }
+ break;
+
+ case 33:
+
+ { (yyval.interm).line = (yyvsp[(1) - (1)].lex).line; (yyval.interm).op = EOpNegative; }
+ break;
+
+ case 34:
+
+ { (yyval.interm).line = (yyvsp[(1) - (1)].lex).line; (yyval.interm).op = EOpLogicalNot; }
+ break;
+
+ case 35:
+
+ { (yyval.interm.intermTypedNode) = (yyvsp[(1) - (1)].interm.intermTypedNode); }
+ break;
+
+ case 36:
+
+ {
+ FRAG_VERT_ONLY("*", (yyvsp[(2) - (3)].lex).line);
+ (yyval.interm.intermTypedNode) = context->intermediate.addBinaryMath(EOpMul, (yyvsp[(1) - (3)].interm.intermTypedNode), (yyvsp[(3) - (3)].interm.intermTypedNode), (yyvsp[(2) - (3)].lex).line, context->symbolTable);
+ if ((yyval.interm.intermTypedNode) == 0) {
+ context->binaryOpError((yyvsp[(2) - (3)].lex).line, "*", (yyvsp[(1) - (3)].interm.intermTypedNode)->getCompleteString(), (yyvsp[(3) - (3)].interm.intermTypedNode)->getCompleteString());
+ context->recover();
+ (yyval.interm.intermTypedNode) = (yyvsp[(1) - (3)].interm.intermTypedNode);
+ }
+ }
+ break;
+
+ case 37:
+
+ {
+ FRAG_VERT_ONLY("/", (yyvsp[(2) - (3)].lex).line);
+ (yyval.interm.intermTypedNode) = context->intermediate.addBinaryMath(EOpDiv, (yyvsp[(1) - (3)].interm.intermTypedNode), (yyvsp[(3) - (3)].interm.intermTypedNode), (yyvsp[(2) - (3)].lex).line, context->symbolTable);
+ if ((yyval.interm.intermTypedNode) == 0) {
+ context->binaryOpError((yyvsp[(2) - (3)].lex).line, "/", (yyvsp[(1) - (3)].interm.intermTypedNode)->getCompleteString(), (yyvsp[(3) - (3)].interm.intermTypedNode)->getCompleteString());
+ context->recover();
+ (yyval.interm.intermTypedNode) = (yyvsp[(1) - (3)].interm.intermTypedNode);
+ }
+ }
+ break;
+
+ case 38:
+
+ { (yyval.interm.intermTypedNode) = (yyvsp[(1) - (1)].interm.intermTypedNode); }
+ break;
+
+ case 39:
+
+ {
+ (yyval.interm.intermTypedNode) = context->intermediate.addBinaryMath(EOpAdd, (yyvsp[(1) - (3)].interm.intermTypedNode), (yyvsp[(3) - (3)].interm.intermTypedNode), (yyvsp[(2) - (3)].lex).line, context->symbolTable);
+ if ((yyval.interm.intermTypedNode) == 0) {
+ context->binaryOpError((yyvsp[(2) - (3)].lex).line, "+", (yyvsp[(1) - (3)].interm.intermTypedNode)->getCompleteString(), (yyvsp[(3) - (3)].interm.intermTypedNode)->getCompleteString());
+ context->recover();
+ (yyval.interm.intermTypedNode) = (yyvsp[(1) - (3)].interm.intermTypedNode);
+ }
+ }
+ break;
+
+ case 40:
+
+ {
+ (yyval.interm.intermTypedNode) = context->intermediate.addBinaryMath(EOpSub, (yyvsp[(1) - (3)].interm.intermTypedNode), (yyvsp[(3) - (3)].interm.intermTypedNode), (yyvsp[(2) - (3)].lex).line, context->symbolTable);
+ if ((yyval.interm.intermTypedNode) == 0) {
+ context->binaryOpError((yyvsp[(2) - (3)].lex).line, "-", (yyvsp[(1) - (3)].interm.intermTypedNode)->getCompleteString(), (yyvsp[(3) - (3)].interm.intermTypedNode)->getCompleteString());
+ context->recover();
+ (yyval.interm.intermTypedNode) = (yyvsp[(1) - (3)].interm.intermTypedNode);
+ }
+ }
+ break;
+
+ case 41:
+
+ { (yyval.interm.intermTypedNode) = (yyvsp[(1) - (1)].interm.intermTypedNode); }
+ break;
+
+ case 42:
+
+ { (yyval.interm.intermTypedNode) = (yyvsp[(1) - (1)].interm.intermTypedNode); }
+ break;
+
+ case 43:
+
+ {
+ (yyval.interm.intermTypedNode) = context->intermediate.addBinaryMath(EOpLessThan, (yyvsp[(1) - (3)].interm.intermTypedNode), (yyvsp[(3) - (3)].interm.intermTypedNode), (yyvsp[(2) - (3)].lex).line, context->symbolTable);
+ if ((yyval.interm.intermTypedNode) == 0) {
+ context->binaryOpError((yyvsp[(2) - (3)].lex).line, "<", (yyvsp[(1) - (3)].interm.intermTypedNode)->getCompleteString(), (yyvsp[(3) - (3)].interm.intermTypedNode)->getCompleteString());
+ context->recover();
+ ConstantUnion *unionArray = new ConstantUnion[1];
+ unionArray->setBConst(false);
+ (yyval.interm.intermTypedNode) = context->intermediate.addConstantUnion(unionArray, TType(EbtBool, EbpUndefined, EvqConst), (yyvsp[(2) - (3)].lex).line);
+ }
+ }
+ break;
+
+ case 44:
+
+ {
+ (yyval.interm.intermTypedNode) = context->intermediate.addBinaryMath(EOpGreaterThan, (yyvsp[(1) - (3)].interm.intermTypedNode), (yyvsp[(3) - (3)].interm.intermTypedNode), (yyvsp[(2) - (3)].lex).line, context->symbolTable);
+ if ((yyval.interm.intermTypedNode) == 0) {
+ context->binaryOpError((yyvsp[(2) - (3)].lex).line, ">", (yyvsp[(1) - (3)].interm.intermTypedNode)->getCompleteString(), (yyvsp[(3) - (3)].interm.intermTypedNode)->getCompleteString());
+ context->recover();
+ ConstantUnion *unionArray = new ConstantUnion[1];
+ unionArray->setBConst(false);
+ (yyval.interm.intermTypedNode) = context->intermediate.addConstantUnion(unionArray, TType(EbtBool, EbpUndefined, EvqConst), (yyvsp[(2) - (3)].lex).line);
+ }
+ }
+ break;
+
+ case 45:
+
+ {
+ (yyval.interm.intermTypedNode) = context->intermediate.addBinaryMath(EOpLessThanEqual, (yyvsp[(1) - (3)].interm.intermTypedNode), (yyvsp[(3) - (3)].interm.intermTypedNode), (yyvsp[(2) - (3)].lex).line, context->symbolTable);
+ if ((yyval.interm.intermTypedNode) == 0) {
+ context->binaryOpError((yyvsp[(2) - (3)].lex).line, "<=", (yyvsp[(1) - (3)].interm.intermTypedNode)->getCompleteString(), (yyvsp[(3) - (3)].interm.intermTypedNode)->getCompleteString());
+ context->recover();
+ ConstantUnion *unionArray = new ConstantUnion[1];
+ unionArray->setBConst(false);
+ (yyval.interm.intermTypedNode) = context->intermediate.addConstantUnion(unionArray, TType(EbtBool, EbpUndefined, EvqConst), (yyvsp[(2) - (3)].lex).line);
+ }
+ }
+ break;
+
+ case 46:
+
+ {
+ (yyval.interm.intermTypedNode) = context->intermediate.addBinaryMath(EOpGreaterThanEqual, (yyvsp[(1) - (3)].interm.intermTypedNode), (yyvsp[(3) - (3)].interm.intermTypedNode), (yyvsp[(2) - (3)].lex).line, context->symbolTable);
+ if ((yyval.interm.intermTypedNode) == 0) {
+ context->binaryOpError((yyvsp[(2) - (3)].lex).line, ">=", (yyvsp[(1) - (3)].interm.intermTypedNode)->getCompleteString(), (yyvsp[(3) - (3)].interm.intermTypedNode)->getCompleteString());
+ context->recover();
+ ConstantUnion *unionArray = new ConstantUnion[1];
+ unionArray->setBConst(false);
+ (yyval.interm.intermTypedNode) = context->intermediate.addConstantUnion(unionArray, TType(EbtBool, EbpUndefined, EvqConst), (yyvsp[(2) - (3)].lex).line);
+ }
+ }
+ break;
+
+ case 47:
+
+ { (yyval.interm.intermTypedNode) = (yyvsp[(1) - (1)].interm.intermTypedNode); }
+ break;
+
+ case 48:
+
+ {
+ (yyval.interm.intermTypedNode) = context->intermediate.addBinaryMath(EOpEqual, (yyvsp[(1) - (3)].interm.intermTypedNode), (yyvsp[(3) - (3)].interm.intermTypedNode), (yyvsp[(2) - (3)].lex).line, context->symbolTable);
+ if ((yyval.interm.intermTypedNode) == 0) {
+ context->binaryOpError((yyvsp[(2) - (3)].lex).line, "==", (yyvsp[(1) - (3)].interm.intermTypedNode)->getCompleteString(), (yyvsp[(3) - (3)].interm.intermTypedNode)->getCompleteString());
+ context->recover();
+ ConstantUnion *unionArray = new ConstantUnion[1];
+ unionArray->setBConst(false);
+ (yyval.interm.intermTypedNode) = context->intermediate.addConstantUnion(unionArray, TType(EbtBool, EbpUndefined, EvqConst), (yyvsp[(2) - (3)].lex).line);
+ }
+ }
+ break;
+
+ case 49:
+
+ {
+ (yyval.interm.intermTypedNode) = context->intermediate.addBinaryMath(EOpNotEqual, (yyvsp[(1) - (3)].interm.intermTypedNode), (yyvsp[(3) - (3)].interm.intermTypedNode), (yyvsp[(2) - (3)].lex).line, context->symbolTable);
+ if ((yyval.interm.intermTypedNode) == 0) {
+ context->binaryOpError((yyvsp[(2) - (3)].lex).line, "!=", (yyvsp[(1) - (3)].interm.intermTypedNode)->getCompleteString(), (yyvsp[(3) - (3)].interm.intermTypedNode)->getCompleteString());
+ context->recover();
+ ConstantUnion *unionArray = new ConstantUnion[1];
+ unionArray->setBConst(false);
+ (yyval.interm.intermTypedNode) = context->intermediate.addConstantUnion(unionArray, TType(EbtBool, EbpUndefined, EvqConst), (yyvsp[(2) - (3)].lex).line);
+ }
+ }
+ break;
+
+ case 50:
+
+ { (yyval.interm.intermTypedNode) = (yyvsp[(1) - (1)].interm.intermTypedNode); }
+ break;
+
+ case 51:
+
+ { (yyval.interm.intermTypedNode) = (yyvsp[(1) - (1)].interm.intermTypedNode); }
+ break;
+
+ case 52:
+
+ { (yyval.interm.intermTypedNode) = (yyvsp[(1) - (1)].interm.intermTypedNode); }
+ break;
+
+ case 53:
+
+ { (yyval.interm.intermTypedNode) = (yyvsp[(1) - (1)].interm.intermTypedNode); }
+ break;
+
+ case 54:
+
+ {
+ (yyval.interm.intermTypedNode) = context->intermediate.addBinaryMath(EOpLogicalAnd, (yyvsp[(1) - (3)].interm.intermTypedNode), (yyvsp[(3) - (3)].interm.intermTypedNode), (yyvsp[(2) - (3)].lex).line, context->symbolTable);
+ if ((yyval.interm.intermTypedNode) == 0) {
+ context->binaryOpError((yyvsp[(2) - (3)].lex).line, "&&", (yyvsp[(1) - (3)].interm.intermTypedNode)->getCompleteString(), (yyvsp[(3) - (3)].interm.intermTypedNode)->getCompleteString());
+ context->recover();
+ ConstantUnion *unionArray = new ConstantUnion[1];
+ unionArray->setBConst(false);
+ (yyval.interm.intermTypedNode) = context->intermediate.addConstantUnion(unionArray, TType(EbtBool, EbpUndefined, EvqConst), (yyvsp[(2) - (3)].lex).line);
+ }
+ }
+ break;
+
+ case 55:
+
+ { (yyval.interm.intermTypedNode) = (yyvsp[(1) - (1)].interm.intermTypedNode); }
+ break;
+
+ case 56:
+
+ {
+ (yyval.interm.intermTypedNode) = context->intermediate.addBinaryMath(EOpLogicalXor, (yyvsp[(1) - (3)].interm.intermTypedNode), (yyvsp[(3) - (3)].interm.intermTypedNode), (yyvsp[(2) - (3)].lex).line, context->symbolTable);
+ if ((yyval.interm.intermTypedNode) == 0) {
+ context->binaryOpError((yyvsp[(2) - (3)].lex).line, "^^", (yyvsp[(1) - (3)].interm.intermTypedNode)->getCompleteString(), (yyvsp[(3) - (3)].interm.intermTypedNode)->getCompleteString());
+ context->recover();
+ ConstantUnion *unionArray = new ConstantUnion[1];
+ unionArray->setBConst(false);
+ (yyval.interm.intermTypedNode) = context->intermediate.addConstantUnion(unionArray, TType(EbtBool, EbpUndefined, EvqConst), (yyvsp[(2) - (3)].lex).line);
+ }
+ }
+ break;
+
+ case 57:
+
+ { (yyval.interm.intermTypedNode) = (yyvsp[(1) - (1)].interm.intermTypedNode); }
+ break;
+
+ case 58:
+
+ {
+ (yyval.interm.intermTypedNode) = context->intermediate.addBinaryMath(EOpLogicalOr, (yyvsp[(1) - (3)].interm.intermTypedNode), (yyvsp[(3) - (3)].interm.intermTypedNode), (yyvsp[(2) - (3)].lex).line, context->symbolTable);
+ if ((yyval.interm.intermTypedNode) == 0) {
+ context->binaryOpError((yyvsp[(2) - (3)].lex).line, "||", (yyvsp[(1) - (3)].interm.intermTypedNode)->getCompleteString(), (yyvsp[(3) - (3)].interm.intermTypedNode)->getCompleteString());
+ context->recover();
+ ConstantUnion *unionArray = new ConstantUnion[1];
+ unionArray->setBConst(false);
+ (yyval.interm.intermTypedNode) = context->intermediate.addConstantUnion(unionArray, TType(EbtBool, EbpUndefined, EvqConst), (yyvsp[(2) - (3)].lex).line);
+ }
+ }
+ break;
+
+ case 59:
+
+ { (yyval.interm.intermTypedNode) = (yyvsp[(1) - (1)].interm.intermTypedNode); }
+ break;
+
+ case 60:
+
+ {
+ if (context->boolErrorCheck((yyvsp[(2) - (5)].lex).line, (yyvsp[(1) - (5)].interm.intermTypedNode)))
+ context->recover();
+
+ (yyval.interm.intermTypedNode) = context->intermediate.addSelection((yyvsp[(1) - (5)].interm.intermTypedNode), (yyvsp[(3) - (5)].interm.intermTypedNode), (yyvsp[(5) - (5)].interm.intermTypedNode), (yyvsp[(2) - (5)].lex).line);
+ if ((yyvsp[(3) - (5)].interm.intermTypedNode)->getType() != (yyvsp[(5) - (5)].interm.intermTypedNode)->getType())
+ (yyval.interm.intermTypedNode) = 0;
+
+ if ((yyval.interm.intermTypedNode) == 0) {
+ context->binaryOpError((yyvsp[(2) - (5)].lex).line, ":", (yyvsp[(3) - (5)].interm.intermTypedNode)->getCompleteString(), (yyvsp[(5) - (5)].interm.intermTypedNode)->getCompleteString());
+ context->recover();
+ (yyval.interm.intermTypedNode) = (yyvsp[(5) - (5)].interm.intermTypedNode);
+ }
+ }
+ break;
+
+ case 61:
+
+ { (yyval.interm.intermTypedNode) = (yyvsp[(1) - (1)].interm.intermTypedNode); }
+ break;
+
+ case 62:
+
+ {
+ if (context->lValueErrorCheck((yyvsp[(2) - (3)].interm).line, "assign", (yyvsp[(1) - (3)].interm.intermTypedNode)))
+ context->recover();
+ (yyval.interm.intermTypedNode) = context->intermediate.addAssign((yyvsp[(2) - (3)].interm).op, (yyvsp[(1) - (3)].interm.intermTypedNode), (yyvsp[(3) - (3)].interm.intermTypedNode), (yyvsp[(2) - (3)].interm).line);
+ if ((yyval.interm.intermTypedNode) == 0) {
+ context->assignError((yyvsp[(2) - (3)].interm).line, "assign", (yyvsp[(1) - (3)].interm.intermTypedNode)->getCompleteString(), (yyvsp[(3) - (3)].interm.intermTypedNode)->getCompleteString());
+ context->recover();
+ (yyval.interm.intermTypedNode) = (yyvsp[(1) - (3)].interm.intermTypedNode);
+ }
+ }
+ break;
+
+ case 63:
+
+ { (yyval.interm).line = (yyvsp[(1) - (1)].lex).line; (yyval.interm).op = EOpAssign; }
+ break;
+
+ case 64:
+
+ { FRAG_VERT_ONLY("*=", (yyvsp[(1) - (1)].lex).line); (yyval.interm).line = (yyvsp[(1) - (1)].lex).line; (yyval.interm).op = EOpMulAssign; }
+ break;
+
+ case 65:
+
+ { FRAG_VERT_ONLY("/=", (yyvsp[(1) - (1)].lex).line); (yyval.interm).line = (yyvsp[(1) - (1)].lex).line; (yyval.interm).op = EOpDivAssign; }
+ break;
+
+ case 66:
+
+ { (yyval.interm).line = (yyvsp[(1) - (1)].lex).line; (yyval.interm).op = EOpAddAssign; }
+ break;
+
+ case 67:
+
+ { (yyval.interm).line = (yyvsp[(1) - (1)].lex).line; (yyval.interm).op = EOpSubAssign; }
+ break;
+
+ case 68:
+
+ {
+ (yyval.interm.intermTypedNode) = (yyvsp[(1) - (1)].interm.intermTypedNode);
+ }
+ break;
+
+ case 69:
+
+ {
+ (yyval.interm.intermTypedNode) = context->intermediate.addComma((yyvsp[(1) - (3)].interm.intermTypedNode), (yyvsp[(3) - (3)].interm.intermTypedNode), (yyvsp[(2) - (3)].lex).line);
+ if ((yyval.interm.intermTypedNode) == 0) {
+ context->binaryOpError((yyvsp[(2) - (3)].lex).line, ",", (yyvsp[(1) - (3)].interm.intermTypedNode)->getCompleteString(), (yyvsp[(3) - (3)].interm.intermTypedNode)->getCompleteString());
+ context->recover();
+ (yyval.interm.intermTypedNode) = (yyvsp[(3) - (3)].interm.intermTypedNode);
+ }
+ }
+ break;
+
+ case 70:
+
+ {
+ if (context->constErrorCheck((yyvsp[(1) - (1)].interm.intermTypedNode)))
+ context->recover();
+ (yyval.interm.intermTypedNode) = (yyvsp[(1) - (1)].interm.intermTypedNode);
+ }
+ break;
+
+ case 71:
+
+ {
+ TFunction &function = *((yyvsp[(1) - (2)].interm).function);
+
+ TIntermAggregate *prototype = new TIntermAggregate;
+ prototype->setType(function.getReturnType());
+ prototype->setName(function.getName());
+
+ for (int i = 0; i < function.getParamCount(); i++)
+ {
+ const TParameter ¶m = function.getParam(i);
+ if (param.name != 0)
+ {
+ TVariable *variable = new TVariable(param.name, *param.type);
+
+ prototype = context->intermediate.growAggregate(prototype, context->intermediate.addSymbol(variable->getUniqueId(), variable->getName(), variable->getType(), (yyvsp[(1) - (2)].interm).line), (yyvsp[(1) - (2)].interm).line);
+ }
+ else
+ {
+ prototype = context->intermediate.growAggregate(prototype, context->intermediate.addSymbol(0, "", *param.type, (yyvsp[(1) - (2)].interm).line), (yyvsp[(1) - (2)].interm).line);
+ }
+ }
+
+ prototype->setOp(EOpPrototype);
+ (yyval.interm.intermNode) = prototype;
+
+ context->symbolTable.pop();
+ }
+ break;
+
+ case 72:
+
+ {
+ if ((yyvsp[(1) - (2)].interm).intermAggregate)
+ (yyvsp[(1) - (2)].interm).intermAggregate->setOp(EOpDeclaration);
+ (yyval.interm.intermNode) = (yyvsp[(1) - (2)].interm).intermAggregate;
+ }
+ break;
+
+ case 73:
+
+ {
+ context->symbolTable.setDefaultPrecision( (yyvsp[(3) - (4)].interm.type).type, (yyvsp[(2) - (4)].interm.precision) );
+ (yyval.interm.intermNode) = 0;
+ }
+ break;
+
+ case 74:
+
+ {
+ //
+ // Multiple declarations of the same function are allowed.
+ //
+ // If this is a definition, the definition production code will check for redefinitions
+ // (we don't know at this point if it's a definition or not).
+ //
+ // Redeclarations are allowed. But, return types and parameter qualifiers must match.
+ //
+ TFunction* prevDec = static_cast<TFunction*>(context->symbolTable.find((yyvsp[(1) - (2)].interm.function)->getMangledName()));
+ if (prevDec) {
+ if (prevDec->getReturnType() != (yyvsp[(1) - (2)].interm.function)->getReturnType()) {
+ context->error((yyvsp[(2) - (2)].lex).line, "overloaded functions must have the same return type", (yyvsp[(1) - (2)].interm.function)->getReturnType().getBasicString());
+ context->recover();
+ }
+ for (int i = 0; i < prevDec->getParamCount(); ++i) {
+ if (prevDec->getParam(i).type->getQualifier() != (yyvsp[(1) - (2)].interm.function)->getParam(i).type->getQualifier()) {
+ context->error((yyvsp[(2) - (2)].lex).line, "overloaded functions must have the same parameter qualifiers", (yyvsp[(1) - (2)].interm.function)->getParam(i).type->getQualifierString());
+ context->recover();
+ }
+ }
+ }
+
+ //
+ // If this is a redeclaration, it could also be a definition,
+ // in which case, we want to use the variable names from this one, and not the one that's
+ // being redeclared. So, pass back up this declaration, not the one in the symbol table.
+ //
+ (yyval.interm).function = (yyvsp[(1) - (2)].interm.function);
+ (yyval.interm).line = (yyvsp[(2) - (2)].lex).line;
+
+ // We're at the inner scope level of the function's arguments and body statement.
+ // Add the function prototype to the surrounding scope instead.
+ context->symbolTable.getOuterLevel()->insert(*(yyval.interm).function);
+ }
+ break;
+
+ case 75:
+
+ {
+ (yyval.interm.function) = (yyvsp[(1) - (1)].interm.function);
+ }
+ break;
+
+ case 76:
+
+ {
+ (yyval.interm.function) = (yyvsp[(1) - (1)].interm.function);
+ }
+ break;
+
+ case 77:
+
+ {
+ // Add the parameter
+ (yyval.interm.function) = (yyvsp[(1) - (2)].interm.function);
+ if ((yyvsp[(2) - (2)].interm).param.type->getBasicType() != EbtVoid)
+ (yyvsp[(1) - (2)].interm.function)->addParameter((yyvsp[(2) - (2)].interm).param);
+ else
+ delete (yyvsp[(2) - (2)].interm).param.type;
+ }
+ break;
+
+ case 78:
+
+ {
+ //
+ // Only first parameter of one-parameter functions can be void
+ // The check for named parameters not being void is done in parameter_declarator
+ //
+ if ((yyvsp[(3) - (3)].interm).param.type->getBasicType() == EbtVoid) {
+ //
+ // This parameter > first is void
+ //
+ context->error((yyvsp[(2) - (3)].lex).line, "cannot be an argument type except for '(void)'", "void");
+ context->recover();
+ delete (yyvsp[(3) - (3)].interm).param.type;
+ } else {
+ // Add the parameter
+ (yyval.interm.function) = (yyvsp[(1) - (3)].interm.function);
+ (yyvsp[(1) - (3)].interm.function)->addParameter((yyvsp[(3) - (3)].interm).param);
+ }
+ }
+ break;
+
+ case 79:
+
+ {
+ if ((yyvsp[(1) - (3)].interm.type).qualifier != EvqGlobal && (yyvsp[(1) - (3)].interm.type).qualifier != EvqTemporary) {
+ context->error((yyvsp[(2) - (3)].lex).line, "no qualifiers allowed for function return", getQualifierString((yyvsp[(1) - (3)].interm.type).qualifier));
+ context->recover();
+ }
+ // make sure a sampler is not involved as well...
+ if (context->structQualifierErrorCheck((yyvsp[(2) - (3)].lex).line, (yyvsp[(1) - (3)].interm.type)))
+ context->recover();
+
+ // Add the function as a prototype after parsing it (we do not support recursion)
+ TFunction *function;
+ TType type((yyvsp[(1) - (3)].interm.type));
+ function = new TFunction((yyvsp[(2) - (3)].lex).string, type);
+ (yyval.interm.function) = function;
+
+ context->symbolTable.push();
+ }
+ break;
+
+ case 80:
+
+ {
+ if ((yyvsp[(1) - (2)].interm.type).type == EbtVoid) {
+ context->error((yyvsp[(2) - (2)].lex).line, "illegal use of type 'void'", (yyvsp[(2) - (2)].lex).string->c_str());
+ context->recover();
+ }
+ if (context->reservedErrorCheck((yyvsp[(2) - (2)].lex).line, *(yyvsp[(2) - (2)].lex).string))
+ context->recover();
+ TParameter param = {(yyvsp[(2) - (2)].lex).string, new TType((yyvsp[(1) - (2)].interm.type))};
+ (yyval.interm).line = (yyvsp[(2) - (2)].lex).line;
+ (yyval.interm).param = param;
+ }
+ break;
+
+ case 81:
+
+ {
+ // Check that we can make an array out of this type
+ if (context->arrayTypeErrorCheck((yyvsp[(3) - (5)].lex).line, (yyvsp[(1) - (5)].interm.type)))
+ context->recover();
+
+ if (context->reservedErrorCheck((yyvsp[(2) - (5)].lex).line, *(yyvsp[(2) - (5)].lex).string))
+ context->recover();
+
+ int size;
+ if (context->arraySizeErrorCheck((yyvsp[(3) - (5)].lex).line, (yyvsp[(4) - (5)].interm.intermTypedNode), size))
+ context->recover();
+ (yyvsp[(1) - (5)].interm.type).setArray(true, size);
+
+ TType* type = new TType((yyvsp[(1) - (5)].interm.type));
+ TParameter param = { (yyvsp[(2) - (5)].lex).string, type };
+ (yyval.interm).line = (yyvsp[(2) - (5)].lex).line;
+ (yyval.interm).param = param;
+ }
+ break;
+
+ case 82:
+
+ {
+ (yyval.interm) = (yyvsp[(3) - (3)].interm);
+ if (context->paramErrorCheck((yyvsp[(3) - (3)].interm).line, (yyvsp[(1) - (3)].interm.type).qualifier, (yyvsp[(2) - (3)].interm.qualifier), (yyval.interm).param.type))
+ context->recover();
+ }
+ break;
+
+ case 83:
+
+ {
+ (yyval.interm) = (yyvsp[(2) - (2)].interm);
+ if (context->parameterSamplerErrorCheck((yyvsp[(2) - (2)].interm).line, (yyvsp[(1) - (2)].interm.qualifier), *(yyvsp[(2) - (2)].interm).param.type))
+ context->recover();
+ if (context->paramErrorCheck((yyvsp[(2) - (2)].interm).line, EvqTemporary, (yyvsp[(1) - (2)].interm.qualifier), (yyval.interm).param.type))
+ context->recover();
+ }
+ break;
+
+ case 84:
+
+ {
+ (yyval.interm) = (yyvsp[(3) - (3)].interm);
+ if (context->paramErrorCheck((yyvsp[(3) - (3)].interm).line, (yyvsp[(1) - (3)].interm.type).qualifier, (yyvsp[(2) - (3)].interm.qualifier), (yyval.interm).param.type))
+ context->recover();
+ }
+ break;
+
+ case 85:
+
+ {
+ (yyval.interm) = (yyvsp[(2) - (2)].interm);
+ if (context->parameterSamplerErrorCheck((yyvsp[(2) - (2)].interm).line, (yyvsp[(1) - (2)].interm.qualifier), *(yyvsp[(2) - (2)].interm).param.type))
+ context->recover();
+ if (context->paramErrorCheck((yyvsp[(2) - (2)].interm).line, EvqTemporary, (yyvsp[(1) - (2)].interm.qualifier), (yyval.interm).param.type))
+ context->recover();
+ }
+ break;
+
+ case 86:
+
+ {
+ (yyval.interm.qualifier) = EvqIn;
+ }
+ break;
+
+ case 87:
+
+ {
+ (yyval.interm.qualifier) = EvqIn;
+ }
+ break;
+
+ case 88:
+
+ {
+ (yyval.interm.qualifier) = EvqOut;
+ }
+ break;
+
+ case 89:
+
+ {
+ (yyval.interm.qualifier) = EvqInOut;
+ }
+ break;
+
+ case 90:
+
+ {
+ TParameter param = { 0, new TType((yyvsp[(1) - (1)].interm.type)) };
+ (yyval.interm).param = param;
+ }
+ break;
+
+ case 91:
+
+ {
+ (yyval.interm) = (yyvsp[(1) - (1)].interm);
+ }
+ break;
+
+ case 92:
+
+ {
+ if ((yyvsp[(1) - (3)].interm).type.type == EbtInvariant && !(yyvsp[(3) - (3)].lex).symbol)
+ {
+ context->error((yyvsp[(3) - (3)].lex).line, "undeclared identifier declared as invariant", (yyvsp[(3) - (3)].lex).string->c_str());
+ context->recover();
+ }
+
+ TIntermSymbol* symbol = context->intermediate.addSymbol(0, *(yyvsp[(3) - (3)].lex).string, TType((yyvsp[(1) - (3)].interm).type), (yyvsp[(3) - (3)].lex).line);
+ (yyval.interm).intermAggregate = context->intermediate.growAggregate((yyvsp[(1) - (3)].interm).intermNode, symbol, (yyvsp[(3) - (3)].lex).line);
+
+ if (context->structQualifierErrorCheck((yyvsp[(3) - (3)].lex).line, (yyval.interm).type))
+ context->recover();
+
+ if (context->nonInitConstErrorCheck((yyvsp[(3) - (3)].lex).line, *(yyvsp[(3) - (3)].lex).string, (yyval.interm).type, false))
+ context->recover();
+
+ TVariable* variable = 0;
+ if (context->nonInitErrorCheck((yyvsp[(3) - (3)].lex).line, *(yyvsp[(3) - (3)].lex).string, (yyval.interm).type, variable))
+ context->recover();
+ if (symbol && variable)
+ symbol->setId(variable->getUniqueId());
+ }
+ break;
+
+ case 93:
+
+ {
+ if (context->structQualifierErrorCheck((yyvsp[(3) - (5)].lex).line, (yyvsp[(1) - (5)].interm).type))
+ context->recover();
+
+ if (context->nonInitConstErrorCheck((yyvsp[(3) - (5)].lex).line, *(yyvsp[(3) - (5)].lex).string, (yyvsp[(1) - (5)].interm).type, true))
+ context->recover();
+
+ (yyval.interm) = (yyvsp[(1) - (5)].interm);
+
+ if (context->arrayTypeErrorCheck((yyvsp[(4) - (5)].lex).line, (yyvsp[(1) - (5)].interm).type) || context->arrayQualifierErrorCheck((yyvsp[(4) - (5)].lex).line, (yyvsp[(1) - (5)].interm).type))
+ context->recover();
+ else {
+ (yyvsp[(1) - (5)].interm).type.setArray(true);
+ TVariable* variable;
+ if (context->arrayErrorCheck((yyvsp[(4) - (5)].lex).line, *(yyvsp[(3) - (5)].lex).string, (yyvsp[(1) - (5)].interm).type, variable))
+ context->recover();
+ }
+ }
+ break;
+
+ case 94:
+
+ {
+ if (context->structQualifierErrorCheck((yyvsp[(3) - (6)].lex).line, (yyvsp[(1) - (6)].interm).type))
+ context->recover();
+
+ if (context->nonInitConstErrorCheck((yyvsp[(3) - (6)].lex).line, *(yyvsp[(3) - (6)].lex).string, (yyvsp[(1) - (6)].interm).type, true))
+ context->recover();
+
+ (yyval.interm) = (yyvsp[(1) - (6)].interm);
+
+ if (context->arrayTypeErrorCheck((yyvsp[(4) - (6)].lex).line, (yyvsp[(1) - (6)].interm).type) || context->arrayQualifierErrorCheck((yyvsp[(4) - (6)].lex).line, (yyvsp[(1) - (6)].interm).type))
+ context->recover();
+ else {
+ int size;
+ if (context->arraySizeErrorCheck((yyvsp[(4) - (6)].lex).line, (yyvsp[(5) - (6)].interm.intermTypedNode), size))
+ context->recover();
+ (yyvsp[(1) - (6)].interm).type.setArray(true, size);
+ TVariable* variable = 0;
+ if (context->arrayErrorCheck((yyvsp[(4) - (6)].lex).line, *(yyvsp[(3) - (6)].lex).string, (yyvsp[(1) - (6)].interm).type, variable))
+ context->recover();
+ TType type = TType((yyvsp[(1) - (6)].interm).type);
+ type.setArraySize(size);
+ (yyval.interm).intermAggregate = context->intermediate.growAggregate((yyvsp[(1) - (6)].interm).intermNode, context->intermediate.addSymbol(variable ? variable->getUniqueId() : 0, *(yyvsp[(3) - (6)].lex).string, type, (yyvsp[(3) - (6)].lex).line), (yyvsp[(3) - (6)].lex).line);
+ }
+ }
+ break;
+
+ case 95:
+
+ {
+ if (context->structQualifierErrorCheck((yyvsp[(3) - (5)].lex).line, (yyvsp[(1) - (5)].interm).type))
+ context->recover();
+
+ (yyval.interm) = (yyvsp[(1) - (5)].interm);
+
+ TIntermNode* intermNode;
+ if (!context->executeInitializer((yyvsp[(3) - (5)].lex).line, *(yyvsp[(3) - (5)].lex).string, (yyvsp[(1) - (5)].interm).type, (yyvsp[(5) - (5)].interm.intermTypedNode), intermNode)) {
+ //
+ // build the intermediate representation
+ //
+ if (intermNode)
+ (yyval.interm).intermAggregate = context->intermediate.growAggregate((yyvsp[(1) - (5)].interm).intermNode, intermNode, (yyvsp[(4) - (5)].lex).line);
+ else
+ (yyval.interm).intermAggregate = (yyvsp[(1) - (5)].interm).intermAggregate;
+ } else {
+ context->recover();
+ (yyval.interm).intermAggregate = 0;
+ }
+ }
+ break;
+
+ case 96:
+
+ {
+ (yyval.interm).type = (yyvsp[(1) - (1)].interm.type);
+ (yyval.interm).intermAggregate = context->intermediate.makeAggregate(context->intermediate.addSymbol(0, "", TType((yyvsp[(1) - (1)].interm.type)), (yyvsp[(1) - (1)].interm.type).line), (yyvsp[(1) - (1)].interm.type).line);
+ }
+ break;
+
+ case 97:
+
+ {
+ TIntermSymbol* symbol = context->intermediate.addSymbol(0, *(yyvsp[(2) - (2)].lex).string, TType((yyvsp[(1) - (2)].interm.type)), (yyvsp[(2) - (2)].lex).line);
+ (yyval.interm).intermAggregate = context->intermediate.makeAggregate(symbol, (yyvsp[(2) - (2)].lex).line);
+
+ if (context->structQualifierErrorCheck((yyvsp[(2) - (2)].lex).line, (yyval.interm).type))
+ context->recover();
+
+ if (context->nonInitConstErrorCheck((yyvsp[(2) - (2)].lex).line, *(yyvsp[(2) - (2)].lex).string, (yyval.interm).type, false))
+ context->recover();
+
+ (yyval.interm).type = (yyvsp[(1) - (2)].interm.type);
+
+ TVariable* variable = 0;
+ if (context->nonInitErrorCheck((yyvsp[(2) - (2)].lex).line, *(yyvsp[(2) - (2)].lex).string, (yyval.interm).type, variable))
+ context->recover();
+ if (variable && symbol)
+ symbol->setId(variable->getUniqueId());
+ }
+ break;
+
+ case 98:
+
+ {
+ context->error((yyvsp[(2) - (4)].lex).line, "unsized array declarations not supported", (yyvsp[(2) - (4)].lex).string->c_str());
+ context->recover();
+
+ TIntermSymbol* symbol = context->intermediate.addSymbol(0, *(yyvsp[(2) - (4)].lex).string, TType((yyvsp[(1) - (4)].interm.type)), (yyvsp[(2) - (4)].lex).line);
+ (yyval.interm).intermAggregate = context->intermediate.makeAggregate(symbol, (yyvsp[(2) - (4)].lex).line);
+ (yyval.interm).type = (yyvsp[(1) - (4)].interm.type);
+ }
+ break;
+
+ case 99:
+
+ {
+ TType type = TType((yyvsp[(1) - (5)].interm.type));
+ int size;
+ if (context->arraySizeErrorCheck((yyvsp[(2) - (5)].lex).line, (yyvsp[(4) - (5)].interm.intermTypedNode), size))
+ context->recover();
+ type.setArraySize(size);
+ TIntermSymbol* symbol = context->intermediate.addSymbol(0, *(yyvsp[(2) - (5)].lex).string, type, (yyvsp[(2) - (5)].lex).line);
+ (yyval.interm).intermAggregate = context->intermediate.makeAggregate(symbol, (yyvsp[(2) - (5)].lex).line);
+
+ if (context->structQualifierErrorCheck((yyvsp[(2) - (5)].lex).line, (yyvsp[(1) - (5)].interm.type)))
+ context->recover();
+
+ if (context->nonInitConstErrorCheck((yyvsp[(2) - (5)].lex).line, *(yyvsp[(2) - (5)].lex).string, (yyvsp[(1) - (5)].interm.type), true))
+ context->recover();
+
+ (yyval.interm).type = (yyvsp[(1) - (5)].interm.type);
+
+ if (context->arrayTypeErrorCheck((yyvsp[(3) - (5)].lex).line, (yyvsp[(1) - (5)].interm.type)) || context->arrayQualifierErrorCheck((yyvsp[(3) - (5)].lex).line, (yyvsp[(1) - (5)].interm.type)))
+ context->recover();
+ else {
+ int size;
+ if (context->arraySizeErrorCheck((yyvsp[(3) - (5)].lex).line, (yyvsp[(4) - (5)].interm.intermTypedNode), size))
+ context->recover();
+
+ (yyvsp[(1) - (5)].interm.type).setArray(true, size);
+ TVariable* variable = 0;
+ if (context->arrayErrorCheck((yyvsp[(3) - (5)].lex).line, *(yyvsp[(2) - (5)].lex).string, (yyvsp[(1) - (5)].interm.type), variable))
+ context->recover();
+ if (variable && symbol)
+ symbol->setId(variable->getUniqueId());
+ }
+ }
+ break;
+
+ case 100:
+
+ {
+ if (context->structQualifierErrorCheck((yyvsp[(2) - (4)].lex).line, (yyvsp[(1) - (4)].interm.type)))
+ context->recover();
+
+ (yyval.interm).type = (yyvsp[(1) - (4)].interm.type);
+
+ TIntermNode* intermNode;
+ if (!context->executeInitializer((yyvsp[(2) - (4)].lex).line, *(yyvsp[(2) - (4)].lex).string, (yyvsp[(1) - (4)].interm.type), (yyvsp[(4) - (4)].interm.intermTypedNode), intermNode)) {
+ //
+ // Build intermediate representation
+ //
+ if(intermNode)
+ (yyval.interm).intermAggregate = context->intermediate.makeAggregate(intermNode, (yyvsp[(3) - (4)].lex).line);
+ else
+ (yyval.interm).intermAggregate = 0;
+ } else {
+ context->recover();
+ (yyval.interm).intermAggregate = 0;
+ }
+ }
+ break;
+
+ case 101:
+
+ {
+ VERTEX_ONLY("invariant declaration", (yyvsp[(1) - (2)].lex).line);
+ if (context->globalErrorCheck((yyvsp[(1) - (2)].lex).line, context->symbolTable.atGlobalLevel(), "invariant varying"))
+ context->recover();
+ (yyval.interm).type.setBasic(EbtInvariant, EvqInvariantVaryingOut, (yyvsp[(2) - (2)].lex).line);
+ if (!(yyvsp[(2) - (2)].lex).symbol)
+ {
+ context->error((yyvsp[(2) - (2)].lex).line, "undeclared identifier declared as invariant", (yyvsp[(2) - (2)].lex).string->c_str());
+ context->recover();
+
+ (yyval.interm).intermAggregate = 0;
+ }
+ else
+ {
+ TIntermSymbol *symbol = context->intermediate.addSymbol(0, *(yyvsp[(2) - (2)].lex).string, TType((yyval.interm).type), (yyvsp[(2) - (2)].lex).line);
+ (yyval.interm).intermAggregate = context->intermediate.makeAggregate(symbol, (yyvsp[(2) - (2)].lex).line);
+ }
+ }
+ break;
+
+ case 102:
+
+ {
+ (yyval.interm.type) = (yyvsp[(1) - (1)].interm.type);
+
+ if ((yyvsp[(1) - (1)].interm.type).array) {
+ context->error((yyvsp[(1) - (1)].interm.type).line, "not supported", "first-class array");
+ context->recover();
+ (yyvsp[(1) - (1)].interm.type).setArray(false);
+ }
+ }
+ break;
+
+ case 103:
+
+ {
+ if ((yyvsp[(2) - (2)].interm.type).array) {
+ context->error((yyvsp[(2) - (2)].interm.type).line, "not supported", "first-class array");
+ context->recover();
+ (yyvsp[(2) - (2)].interm.type).setArray(false);
+ }
+
+ if ((yyvsp[(1) - (2)].interm.type).qualifier == EvqAttribute &&
+ ((yyvsp[(2) - (2)].interm.type).type == EbtBool || (yyvsp[(2) - (2)].interm.type).type == EbtInt)) {
+ context->error((yyvsp[(2) - (2)].interm.type).line, "cannot be bool or int", getQualifierString((yyvsp[(1) - (2)].interm.type).qualifier));
+ context->recover();
+ }
+ if (((yyvsp[(1) - (2)].interm.type).qualifier == EvqVaryingIn || (yyvsp[(1) - (2)].interm.type).qualifier == EvqVaryingOut) &&
+ ((yyvsp[(2) - (2)].interm.type).type == EbtBool || (yyvsp[(2) - (2)].interm.type).type == EbtInt)) {
+ context->error((yyvsp[(2) - (2)].interm.type).line, "cannot be bool or int", getQualifierString((yyvsp[(1) - (2)].interm.type).qualifier));
+ context->recover();
+ }
+ (yyval.interm.type) = (yyvsp[(2) - (2)].interm.type);
+ (yyval.interm.type).qualifier = (yyvsp[(1) - (2)].interm.type).qualifier;
+ }
+ break;
+
+ case 104:
+
+ {
+ (yyval.interm.type).setBasic(EbtVoid, EvqConst, (yyvsp[(1) - (1)].lex).line);
+ }
+ break;
+
+ case 105:
+
+ {
+ VERTEX_ONLY("attribute", (yyvsp[(1) - (1)].lex).line);
+ if (context->globalErrorCheck((yyvsp[(1) - (1)].lex).line, context->symbolTable.atGlobalLevel(), "attribute"))
+ context->recover();
+ (yyval.interm.type).setBasic(EbtVoid, EvqAttribute, (yyvsp[(1) - (1)].lex).line);
+ }
+ break;
+
+ case 106:
+
+ {
+ if (context->globalErrorCheck((yyvsp[(1) - (1)].lex).line, context->symbolTable.atGlobalLevel(), "varying"))
+ context->recover();
+ if (context->shaderType == SH_VERTEX_SHADER)
+ (yyval.interm.type).setBasic(EbtVoid, EvqVaryingOut, (yyvsp[(1) - (1)].lex).line);
+ else
+ (yyval.interm.type).setBasic(EbtVoid, EvqVaryingIn, (yyvsp[(1) - (1)].lex).line);
+ }
+ break;
+
+ case 107:
+
+ {
+ if (context->globalErrorCheck((yyvsp[(1) - (2)].lex).line, context->symbolTable.atGlobalLevel(), "invariant varying"))
+ context->recover();
+ if (context->shaderType == SH_VERTEX_SHADER)
+ (yyval.interm.type).setBasic(EbtVoid, EvqInvariantVaryingOut, (yyvsp[(1) - (2)].lex).line);
+ else
+ (yyval.interm.type).setBasic(EbtVoid, EvqInvariantVaryingIn, (yyvsp[(1) - (2)].lex).line);
+ }
+ break;
+
+ case 108:
+
+ {
+ if (context->globalErrorCheck((yyvsp[(1) - (1)].lex).line, context->symbolTable.atGlobalLevel(), "uniform"))
+ context->recover();
+ (yyval.interm.type).setBasic(EbtVoid, EvqUniform, (yyvsp[(1) - (1)].lex).line);
+ }
+ break;
+
+ case 109:
+
+ {
+ (yyval.interm.type) = (yyvsp[(1) - (1)].interm.type);
+
+ if ((yyval.interm.type).precision == EbpUndefined) {
+ (yyval.interm.type).precision = context->symbolTable.getDefaultPrecision((yyvsp[(1) - (1)].interm.type).type);
+ if (context->precisionErrorCheck((yyvsp[(1) - (1)].interm.type).line, (yyval.interm.type).precision, (yyvsp[(1) - (1)].interm.type).type)) {
+ context->recover();
+ }
+ }
+ }
+ break;
+
+ case 110:
+
+ {
+ (yyval.interm.type) = (yyvsp[(2) - (2)].interm.type);
+ (yyval.interm.type).precision = (yyvsp[(1) - (2)].interm.precision);
+ }
+ break;
+
+ case 111:
+
+ {
+ (yyval.interm.precision) = EbpHigh;
+ }
+ break;
+
+ case 112:
+
+ {
+ (yyval.interm.precision) = EbpMedium;
+ }
+ break;
+
+ case 113:
+
+ {
+ (yyval.interm.precision) = EbpLow;
+ }
+ break;
+
+ case 114:
+
+ {
+ (yyval.interm.type) = (yyvsp[(1) - (1)].interm.type);
+ }
+ break;
+
+ case 115:
+
+ {
+ (yyval.interm.type) = (yyvsp[(1) - (4)].interm.type);
+
+ if (context->arrayTypeErrorCheck((yyvsp[(2) - (4)].lex).line, (yyvsp[(1) - (4)].interm.type)))
+ context->recover();
+ else {
+ int size;
+ if (context->arraySizeErrorCheck((yyvsp[(2) - (4)].lex).line, (yyvsp[(3) - (4)].interm.intermTypedNode), size))
+ context->recover();
+ (yyval.interm.type).setArray(true, size);
+ }
+ }
+ break;
+
+ case 116:
+
+ {
+ TQualifier qual = context->symbolTable.atGlobalLevel() ? EvqGlobal : EvqTemporary;
+ (yyval.interm.type).setBasic(EbtVoid, qual, (yyvsp[(1) - (1)].lex).line);
+ }
+ break;
+
+ case 117:
+
+ {
+ TQualifier qual = context->symbolTable.atGlobalLevel() ? EvqGlobal : EvqTemporary;
+ (yyval.interm.type).setBasic(EbtFloat, qual, (yyvsp[(1) - (1)].lex).line);
+ }
+ break;
+
+ case 118:
+
+ {
+ TQualifier qual = context->symbolTable.atGlobalLevel() ? EvqGlobal : EvqTemporary;
+ (yyval.interm.type).setBasic(EbtInt, qual, (yyvsp[(1) - (1)].lex).line);
+ }
+ break;
+
+ case 119:
+
+ {
+ TQualifier qual = context->symbolTable.atGlobalLevel() ? EvqGlobal : EvqTemporary;
+ (yyval.interm.type).setBasic(EbtBool, qual, (yyvsp[(1) - (1)].lex).line);
+ }
+ break;
+
+ case 120:
+
+ {
+ TQualifier qual = context->symbolTable.atGlobalLevel() ? EvqGlobal : EvqTemporary;
+ (yyval.interm.type).setBasic(EbtFloat, qual, (yyvsp[(1) - (1)].lex).line);
+ (yyval.interm.type).setAggregate(2);
+ }
+ break;
+
+ case 121:
+
+ {
+ TQualifier qual = context->symbolTable.atGlobalLevel() ? EvqGlobal : EvqTemporary;
+ (yyval.interm.type).setBasic(EbtFloat, qual, (yyvsp[(1) - (1)].lex).line);
+ (yyval.interm.type).setAggregate(3);
+ }
+ break;
+
+ case 122:
+
+ {
+ TQualifier qual = context->symbolTable.atGlobalLevel() ? EvqGlobal : EvqTemporary;
+ (yyval.interm.type).setBasic(EbtFloat, qual, (yyvsp[(1) - (1)].lex).line);
+ (yyval.interm.type).setAggregate(4);
+ }
+ break;
+
+ case 123:
+
+ {
+ TQualifier qual = context->symbolTable.atGlobalLevel() ? EvqGlobal : EvqTemporary;
+ (yyval.interm.type).setBasic(EbtBool, qual, (yyvsp[(1) - (1)].lex).line);
+ (yyval.interm.type).setAggregate(2);
+ }
+ break;
+
+ case 124:
+
+ {
+ TQualifier qual = context->symbolTable.atGlobalLevel() ? EvqGlobal : EvqTemporary;
+ (yyval.interm.type).setBasic(EbtBool, qual, (yyvsp[(1) - (1)].lex).line);
+ (yyval.interm.type).setAggregate(3);
+ }
+ break;
+
+ case 125:
+
+ {
+ TQualifier qual = context->symbolTable.atGlobalLevel() ? EvqGlobal : EvqTemporary;
+ (yyval.interm.type).setBasic(EbtBool, qual, (yyvsp[(1) - (1)].lex).line);
+ (yyval.interm.type).setAggregate(4);
+ }
+ break;
+
+ case 126:
+
+ {
+ TQualifier qual = context->symbolTable.atGlobalLevel() ? EvqGlobal : EvqTemporary;
+ (yyval.interm.type).setBasic(EbtInt, qual, (yyvsp[(1) - (1)].lex).line);
+ (yyval.interm.type).setAggregate(2);
+ }
+ break;
+
+ case 127:
+
+ {
+ TQualifier qual = context->symbolTable.atGlobalLevel() ? EvqGlobal : EvqTemporary;
+ (yyval.interm.type).setBasic(EbtInt, qual, (yyvsp[(1) - (1)].lex).line);
+ (yyval.interm.type).setAggregate(3);
+ }
+ break;
+
+ case 128:
+
+ {
+ TQualifier qual = context->symbolTable.atGlobalLevel() ? EvqGlobal : EvqTemporary;
+ (yyval.interm.type).setBasic(EbtInt, qual, (yyvsp[(1) - (1)].lex).line);
+ (yyval.interm.type).setAggregate(4);
+ }
+ break;
+
+ case 129:
+
+ {
+ FRAG_VERT_ONLY("mat2", (yyvsp[(1) - (1)].lex).line);
+ TQualifier qual = context->symbolTable.atGlobalLevel() ? EvqGlobal : EvqTemporary;
+ (yyval.interm.type).setBasic(EbtFloat, qual, (yyvsp[(1) - (1)].lex).line);
+ (yyval.interm.type).setAggregate(2, true);
+ }
+ break;
+
+ case 130:
+
+ {
+ FRAG_VERT_ONLY("mat3", (yyvsp[(1) - (1)].lex).line);
+ TQualifier qual = context->symbolTable.atGlobalLevel() ? EvqGlobal : EvqTemporary;
+ (yyval.interm.type).setBasic(EbtFloat, qual, (yyvsp[(1) - (1)].lex).line);
+ (yyval.interm.type).setAggregate(3, true);
+ }
+ break;
+
+ case 131:
+
+ {
+ FRAG_VERT_ONLY("mat4", (yyvsp[(1) - (1)].lex).line);
+ TQualifier qual = context->symbolTable.atGlobalLevel() ? EvqGlobal : EvqTemporary;
+ (yyval.interm.type).setBasic(EbtFloat, qual, (yyvsp[(1) - (1)].lex).line);
+ (yyval.interm.type).setAggregate(4, true);
+ }
+ break;
+
+ case 132:
+
+ {
+ FRAG_VERT_ONLY("sampler2D", (yyvsp[(1) - (1)].lex).line);
+ TQualifier qual = context->symbolTable.atGlobalLevel() ? EvqGlobal : EvqTemporary;
+ (yyval.interm.type).setBasic(EbtSampler2D, qual, (yyvsp[(1) - (1)].lex).line);
+ }
+ break;
+
+ case 133:
+
+ {
+ FRAG_VERT_ONLY("samplerCube", (yyvsp[(1) - (1)].lex).line);
+ TQualifier qual = context->symbolTable.atGlobalLevel() ? EvqGlobal : EvqTemporary;
+ (yyval.interm.type).setBasic(EbtSamplerCube, qual, (yyvsp[(1) - (1)].lex).line);
+ }
+ break;
+
+ case 134:
+
+ {
+ FRAG_VERT_ONLY("struct", (yyvsp[(1) - (1)].interm.type).line);
+ (yyval.interm.type) = (yyvsp[(1) - (1)].interm.type);
+ (yyval.interm.type).qualifier = context->symbolTable.atGlobalLevel() ? EvqGlobal : EvqTemporary;
+ }
+ break;
+
+ case 135:
+
+ {
+ //
+ // This is for user defined type names. The lexical phase looked up the
+ // type.
+ //
+ TType& structure = static_cast<TVariable*>((yyvsp[(1) - (1)].lex).symbol)->getType();
+ TQualifier qual = context->symbolTable.atGlobalLevel() ? EvqGlobal : EvqTemporary;
+ (yyval.interm.type).setBasic(EbtStruct, qual, (yyvsp[(1) - (1)].lex).line);
+ (yyval.interm.type).userDef = &structure;
+ }
+ break;
+
+ case 136:
+
+ { if (context->enterStructDeclaration((yyvsp[(2) - (3)].lex).line, *(yyvsp[(2) - (3)].lex).string)) context->recover(); }
+ break;
+
+ case 137:
+
+ {
+ if (context->reservedErrorCheck((yyvsp[(2) - (6)].lex).line, *(yyvsp[(2) - (6)].lex).string))
+ context->recover();
+
+ TType* structure = new TType((yyvsp[(5) - (6)].interm.typeList), *(yyvsp[(2) - (6)].lex).string);
+ TVariable* userTypeDef = new TVariable((yyvsp[(2) - (6)].lex).string, *structure, true);
+ if (! context->symbolTable.insert(*userTypeDef)) {
+ context->error((yyvsp[(2) - (6)].lex).line, "redefinition", (yyvsp[(2) - (6)].lex).string->c_str(), "struct");
+ context->recover();
+ }
+ (yyval.interm.type).setBasic(EbtStruct, EvqTemporary, (yyvsp[(1) - (6)].lex).line);
+ (yyval.interm.type).userDef = structure;
+ context->exitStructDeclaration();
+ }
+ break;
+
+ case 138:
+
+ { if (context->enterStructDeclaration((yyvsp[(2) - (2)].lex).line, *(yyvsp[(2) - (2)].lex).string)) context->recover(); }
+ break;
+
+ case 139:
+
+ {
+ TType* structure = new TType((yyvsp[(4) - (5)].interm.typeList), TString(""));
+ (yyval.interm.type).setBasic(EbtStruct, EvqTemporary, (yyvsp[(1) - (5)].lex).line);
+ (yyval.interm.type).userDef = structure;
+ context->exitStructDeclaration();
+ }
+ break;
+
+ case 140:
+
+ {
+ (yyval.interm.typeList) = (yyvsp[(1) - (1)].interm.typeList);
+ }
+ break;
+
+ case 141:
+
+ {
+ (yyval.interm.typeList) = (yyvsp[(1) - (2)].interm.typeList);
+ for (unsigned int i = 0; i < (yyvsp[(2) - (2)].interm.typeList)->size(); ++i) {
+ for (unsigned int j = 0; j < (yyval.interm.typeList)->size(); ++j) {
+ if ((*(yyval.interm.typeList))[j].type->getFieldName() == (*(yyvsp[(2) - (2)].interm.typeList))[i].type->getFieldName()) {
+ context->error((*(yyvsp[(2) - (2)].interm.typeList))[i].line, "duplicate field name in structure:", "struct", (*(yyvsp[(2) - (2)].interm.typeList))[i].type->getFieldName().c_str());
+ context->recover();
+ }
+ }
+ (yyval.interm.typeList)->push_back((*(yyvsp[(2) - (2)].interm.typeList))[i]);
+ }
+ }
+ break;
+
+ case 142:
+
+ {
+ (yyval.interm.typeList) = (yyvsp[(2) - (3)].interm.typeList);
+
+ if (context->voidErrorCheck((yyvsp[(1) - (3)].interm.type).line, (*(yyvsp[(2) - (3)].interm.typeList))[0].type->getFieldName(), (yyvsp[(1) - (3)].interm.type))) {
+ context->recover();
+ }
+ for (unsigned int i = 0; i < (yyval.interm.typeList)->size(); ++i) {
+ //
+ // Careful not to replace already known aspects of type, like array-ness
+ //
+ TType* type = (*(yyval.interm.typeList))[i].type;
+ type->setBasicType((yyvsp[(1) - (3)].interm.type).type);
+ type->setNominalSize((yyvsp[(1) - (3)].interm.type).size);
+ type->setMatrix((yyvsp[(1) - (3)].interm.type).matrix);
+ type->setPrecision((yyvsp[(1) - (3)].interm.type).precision);
+
+ // don't allow arrays of arrays
+ if (type->isArray()) {
+ if (context->arrayTypeErrorCheck((yyvsp[(1) - (3)].interm.type).line, (yyvsp[(1) - (3)].interm.type)))
+ context->recover();
+ }
+ if ((yyvsp[(1) - (3)].interm.type).array)
+ type->setArraySize((yyvsp[(1) - (3)].interm.type).arraySize);
+ if ((yyvsp[(1) - (3)].interm.type).userDef) {
+ type->setStruct((yyvsp[(1) - (3)].interm.type).userDef->getStruct());
+ type->setTypeName((yyvsp[(1) - (3)].interm.type).userDef->getTypeName());
+ }
+
+ if (context->structNestingErrorCheck((yyvsp[(1) - (3)].interm.type).line, *type)) {
+ context->recover();
+ }
+ }
+ }
+ break;
+
+ case 143:
+
+ {
+ (yyval.interm.typeList) = NewPoolTTypeList();
+ (yyval.interm.typeList)->push_back((yyvsp[(1) - (1)].interm.typeLine));
+ }
+ break;
+
+ case 144:
+
+ {
+ (yyval.interm.typeList)->push_back((yyvsp[(3) - (3)].interm.typeLine));
+ }
+ break;
+
+ case 145:
+
+ {
+ if (context->reservedErrorCheck((yyvsp[(1) - (1)].lex).line, *(yyvsp[(1) - (1)].lex).string))
+ context->recover();
+
+ (yyval.interm.typeLine).type = new TType(EbtVoid, EbpUndefined);
+ (yyval.interm.typeLine).line = (yyvsp[(1) - (1)].lex).line;
+ (yyval.interm.typeLine).type->setFieldName(*(yyvsp[(1) - (1)].lex).string);
+ }
+ break;
+
+ case 146:
+
+ {
+ if (context->reservedErrorCheck((yyvsp[(1) - (4)].lex).line, *(yyvsp[(1) - (4)].lex).string))
+ context->recover();
+
+ (yyval.interm.typeLine).type = new TType(EbtVoid, EbpUndefined);
+ (yyval.interm.typeLine).line = (yyvsp[(1) - (4)].lex).line;
+ (yyval.interm.typeLine).type->setFieldName(*(yyvsp[(1) - (4)].lex).string);
+
+ int size;
+ if (context->arraySizeErrorCheck((yyvsp[(2) - (4)].lex).line, (yyvsp[(3) - (4)].interm.intermTypedNode), size))
+ context->recover();
+ (yyval.interm.typeLine).type->setArraySize(size);
+ }
+ break;
+
+ case 147:
+
+ { (yyval.interm.intermTypedNode) = (yyvsp[(1) - (1)].interm.intermTypedNode); }
+ break;
+
+ case 148:
+
+ { (yyval.interm.intermNode) = (yyvsp[(1) - (1)].interm.intermNode); }
+ break;
+
+ case 149:
+
+ { (yyval.interm.intermNode) = (yyvsp[(1) - (1)].interm.intermAggregate); }
+ break;
+
+ case 150:
+
+ { (yyval.interm.intermNode) = (yyvsp[(1) - (1)].interm.intermNode); }
+ break;
+
+ case 151:
+
+ { (yyval.interm.intermNode) = (yyvsp[(1) - (1)].interm.intermNode); }
+ break;
+
+ case 152:
+
+ { (yyval.interm.intermNode) = (yyvsp[(1) - (1)].interm.intermNode); }
+ break;
+
+ case 153:
+
+ { (yyval.interm.intermNode) = (yyvsp[(1) - (1)].interm.intermNode); }
+ break;
+
+ case 154:
+
+ { (yyval.interm.intermNode) = (yyvsp[(1) - (1)].interm.intermNode); }
+ break;
+
+ case 155:
+
+ { (yyval.interm.intermNode) = (yyvsp[(1) - (1)].interm.intermNode); }
+ break;
+
+ case 156:
+
+ { (yyval.interm.intermAggregate) = 0; }
+ break;
+
+ case 157:
+
+ { context->symbolTable.push(); }
+ break;
+
+ case 158:
+
+ { context->symbolTable.pop(); }
+ break;
+
+ case 159:
+
+ {
+ if ((yyvsp[(3) - (5)].interm.intermAggregate) != 0) {
+ (yyvsp[(3) - (5)].interm.intermAggregate)->setOp(EOpSequence);
+ (yyvsp[(3) - (5)].interm.intermAggregate)->setEndLine((yyvsp[(5) - (5)].lex).line);
+ }
+ (yyval.interm.intermAggregate) = (yyvsp[(3) - (5)].interm.intermAggregate);
+ }
+ break;
+
+ case 160:
+
+ { (yyval.interm.intermNode) = (yyvsp[(1) - (1)].interm.intermNode); }
+ break;
+
+ case 161:
+
+ { (yyval.interm.intermNode) = (yyvsp[(1) - (1)].interm.intermNode); }
+ break;
+
+ case 162:
+
+ { context->symbolTable.push(); }
+ break;
+
+ case 163:
+
+ { context->symbolTable.pop(); (yyval.interm.intermNode) = (yyvsp[(2) - (2)].interm.intermNode); }
+ break;
+
+ case 164:
+
+ { context->symbolTable.push(); }
+ break;
+
+ case 165:
+
+ { context->symbolTable.pop(); (yyval.interm.intermNode) = (yyvsp[(2) - (2)].interm.intermNode); }
+ break;
+
+ case 166:
+
+ {
+ (yyval.interm.intermNode) = 0;
+ }
+ break;
+
+ case 167:
+
+ {
+ if ((yyvsp[(2) - (3)].interm.intermAggregate)) {
+ (yyvsp[(2) - (3)].interm.intermAggregate)->setOp(EOpSequence);
+ (yyvsp[(2) - (3)].interm.intermAggregate)->setEndLine((yyvsp[(3) - (3)].lex).line);
+ }
+ (yyval.interm.intermNode) = (yyvsp[(2) - (3)].interm.intermAggregate);
+ }
+ break;
+
+ case 168:
+
+ {
+ (yyval.interm.intermAggregate) = context->intermediate.makeAggregate((yyvsp[(1) - (1)].interm.intermNode), 0);
+ }
+ break;
+
+ case 169:
+
+ {
+ (yyval.interm.intermAggregate) = context->intermediate.growAggregate((yyvsp[(1) - (2)].interm.intermAggregate), (yyvsp[(2) - (2)].interm.intermNode), 0);
+ }
+ break;
+
+ case 170:
+
+ { (yyval.interm.intermNode) = 0; }
+ break;
+
+ case 171:
+
+ { (yyval.interm.intermNode) = static_cast<TIntermNode*>((yyvsp[(1) - (2)].interm.intermTypedNode)); }
+ break;
+
+ case 172:
+
+ {
+ if (context->boolErrorCheck((yyvsp[(1) - (5)].lex).line, (yyvsp[(3) - (5)].interm.intermTypedNode)))
+ context->recover();
+ (yyval.interm.intermNode) = context->intermediate.addSelection((yyvsp[(3) - (5)].interm.intermTypedNode), (yyvsp[(5) - (5)].interm.nodePair), (yyvsp[(1) - (5)].lex).line);
+ }
+ break;
+
+ case 173:
+
+ {
+ (yyval.interm.nodePair).node1 = (yyvsp[(1) - (3)].interm.intermNode);
+ (yyval.interm.nodePair).node2 = (yyvsp[(3) - (3)].interm.intermNode);
+ }
+ break;
+
+ case 174:
+
+ {
+ (yyval.interm.nodePair).node1 = (yyvsp[(1) - (1)].interm.intermNode);
+ (yyval.interm.nodePair).node2 = 0;
+ }
+ break;
+
+ case 175:
+
+ {
+ (yyval.interm.intermTypedNode) = (yyvsp[(1) - (1)].interm.intermTypedNode);
+ if (context->boolErrorCheck((yyvsp[(1) - (1)].interm.intermTypedNode)->getLine(), (yyvsp[(1) - (1)].interm.intermTypedNode)))
+ context->recover();
+ }
+ break;
+
+ case 176:
+
+ {
+ TIntermNode* intermNode;
+ if (context->structQualifierErrorCheck((yyvsp[(2) - (4)].lex).line, (yyvsp[(1) - (4)].interm.type)))
+ context->recover();
+ if (context->boolErrorCheck((yyvsp[(2) - (4)].lex).line, (yyvsp[(1) - (4)].interm.type)))
+ context->recover();
+
+ if (!context->executeInitializer((yyvsp[(2) - (4)].lex).line, *(yyvsp[(2) - (4)].lex).string, (yyvsp[(1) - (4)].interm.type), (yyvsp[(4) - (4)].interm.intermTypedNode), intermNode))
+ (yyval.interm.intermTypedNode) = (yyvsp[(4) - (4)].interm.intermTypedNode);
+ else {
+ context->recover();
+ (yyval.interm.intermTypedNode) = 0;
+ }
+ }
+ break;
+
+ case 177:
+
+ { context->symbolTable.push(); ++context->loopNestingLevel; }
+ break;
+
+ case 178:
+
+ {
+ context->symbolTable.pop();
+ (yyval.interm.intermNode) = context->intermediate.addLoop(ELoopWhile, 0, (yyvsp[(4) - (6)].interm.intermTypedNode), 0, (yyvsp[(6) - (6)].interm.intermNode), (yyvsp[(1) - (6)].lex).line);
+ --context->loopNestingLevel;
+ }
+ break;
+
+ case 179:
+
+ { ++context->loopNestingLevel; }
+ break;
+
+ case 180:
+
+ {
+ if (context->boolErrorCheck((yyvsp[(8) - (8)].lex).line, (yyvsp[(6) - (8)].interm.intermTypedNode)))
+ context->recover();
+
+ (yyval.interm.intermNode) = context->intermediate.addLoop(ELoopDoWhile, 0, (yyvsp[(6) - (8)].interm.intermTypedNode), 0, (yyvsp[(3) - (8)].interm.intermNode), (yyvsp[(4) - (8)].lex).line);
+ --context->loopNestingLevel;
+ }
+ break;
+
+ case 181:
+
+ { context->symbolTable.push(); ++context->loopNestingLevel; }
+ break;
+
+ case 182:
+
+ {
+ context->symbolTable.pop();
+ (yyval.interm.intermNode) = context->intermediate.addLoop(ELoopFor, (yyvsp[(4) - (7)].interm.intermNode), reinterpret_cast<TIntermTyped*>((yyvsp[(5) - (7)].interm.nodePair).node1), reinterpret_cast<TIntermTyped*>((yyvsp[(5) - (7)].interm.nodePair).node2), (yyvsp[(7) - (7)].interm.intermNode), (yyvsp[(1) - (7)].lex).line);
+ --context->loopNestingLevel;
+ }
+ break;
+
+ case 183:
+
+ {
+ (yyval.interm.intermNode) = (yyvsp[(1) - (1)].interm.intermNode);
+ }
+ break;
+
+ case 184:
+
+ {
+ (yyval.interm.intermNode) = (yyvsp[(1) - (1)].interm.intermNode);
+ }
+ break;
+
+ case 185:
+
+ {
+ (yyval.interm.intermTypedNode) = (yyvsp[(1) - (1)].interm.intermTypedNode);
+ }
+ break;
+
+ case 186:
+
+ {
+ (yyval.interm.intermTypedNode) = 0;
+ }
+ break;
+
+ case 187:
+
+ {
+ (yyval.interm.nodePair).node1 = (yyvsp[(1) - (2)].interm.intermTypedNode);
+ (yyval.interm.nodePair).node2 = 0;
+ }
+ break;
+
+ case 188:
+
+ {
+ (yyval.interm.nodePair).node1 = (yyvsp[(1) - (3)].interm.intermTypedNode);
+ (yyval.interm.nodePair).node2 = (yyvsp[(3) - (3)].interm.intermTypedNode);
+ }
+ break;
+
+ case 189:
+
+ {
+ if (context->loopNestingLevel <= 0) {
+ context->error((yyvsp[(1) - (2)].lex).line, "continue statement only allowed in loops", "");
+ context->recover();
+ }
+ (yyval.interm.intermNode) = context->intermediate.addBranch(EOpContinue, (yyvsp[(1) - (2)].lex).line);
+ }
+ break;
+
+ case 190:
+
+ {
+ if (context->loopNestingLevel <= 0) {
+ context->error((yyvsp[(1) - (2)].lex).line, "break statement only allowed in loops", "");
+ context->recover();
+ }
+ (yyval.interm.intermNode) = context->intermediate.addBranch(EOpBreak, (yyvsp[(1) - (2)].lex).line);
+ }
+ break;
+
+ case 191:
+
+ {
+ (yyval.interm.intermNode) = context->intermediate.addBranch(EOpReturn, (yyvsp[(1) - (2)].lex).line);
+ if (context->currentFunctionType->getBasicType() != EbtVoid) {
+ context->error((yyvsp[(1) - (2)].lex).line, "non-void function must return a value", "return");
+ context->recover();
+ }
+ }
+ break;
+
+ case 192:
+
+ {
+ (yyval.interm.intermNode) = context->intermediate.addBranch(EOpReturn, (yyvsp[(2) - (3)].interm.intermTypedNode), (yyvsp[(1) - (3)].lex).line);
+ context->functionReturnsValue = true;
+ if (context->currentFunctionType->getBasicType() == EbtVoid) {
+ context->error((yyvsp[(1) - (3)].lex).line, "void function cannot return a value", "return");
+ context->recover();
+ } else if (*(context->currentFunctionType) != (yyvsp[(2) - (3)].interm.intermTypedNode)->getType()) {
+ context->error((yyvsp[(1) - (3)].lex).line, "function return is not matching type:", "return");
+ context->recover();
+ }
+ }
+ break;
+
+ case 193:
+
+ {
+ FRAG_ONLY("discard", (yyvsp[(1) - (2)].lex).line);
+ (yyval.interm.intermNode) = context->intermediate.addBranch(EOpKill, (yyvsp[(1) - (2)].lex).line);
+ }
+ break;
+
+ case 194:
+
+ {
+ (yyval.interm.intermNode) = (yyvsp[(1) - (1)].interm.intermNode);
+ context->treeRoot = (yyval.interm.intermNode);
+ }
+ break;
+
+ case 195:
+
+ {
+ (yyval.interm.intermNode) = context->intermediate.growAggregate((yyvsp[(1) - (2)].interm.intermNode), (yyvsp[(2) - (2)].interm.intermNode), 0);
+ context->treeRoot = (yyval.interm.intermNode);
+ }
+ break;
+
+ case 196:
+
+ {
+ (yyval.interm.intermNode) = (yyvsp[(1) - (1)].interm.intermNode);
+ }
+ break;
+
+ case 197:
+
+ {
+ (yyval.interm.intermNode) = (yyvsp[(1) - (1)].interm.intermNode);
+ }
+ break;
+
+ case 198:
+
+ {
+ TFunction* function = (yyvsp[(1) - (1)].interm).function;
+
+ const TSymbol *builtIn = context->symbolTable.findBuiltIn(function->getMangledName());
+
+ if (builtIn)
+ {
+ context->error((yyvsp[(1) - (1)].interm).line, "built-in functions cannot be redefined", function->getName().c_str());
+ context->recover();
+ }
+
+ TFunction* prevDec = static_cast<TFunction*>(context->symbolTable.find(function->getMangledName()));
+ //
+ // Note: 'prevDec' could be 'function' if this is the first time we've seen function
+ // as it would have just been put in the symbol table. Otherwise, we're looking up
+ // an earlier occurance.
+ //
+ if (prevDec->isDefined()) {
+ //
+ // Then this function already has a body.
+ //
+ context->error((yyvsp[(1) - (1)].interm).line, "function already has a body", function->getName().c_str());
+ context->recover();
+ }
+ prevDec->setDefined();
+
+ //
+ // Raise error message if main function takes any parameters or return anything other than void
+ //
+ if (function->getName() == "main") {
+ if (function->getParamCount() > 0) {
+ context->error((yyvsp[(1) - (1)].interm).line, "function cannot take any parameter(s)", function->getName().c_str());
+ context->recover();
+ }
+ if (function->getReturnType().getBasicType() != EbtVoid) {
+ context->error((yyvsp[(1) - (1)].interm).line, "", function->getReturnType().getBasicString(), "main function cannot return a value");
+ context->recover();
+ }
+ }
+
+ //
+ // Remember the return type for later checking for RETURN statements.
+ //
+ context->currentFunctionType = &(prevDec->getReturnType());
+ context->functionReturnsValue = false;
+
+ //
+ // Insert parameters into the symbol table.
+ // If the parameter has no name, it's not an error, just don't insert it
+ // (could be used for unused args).
+ //
+ // Also, accumulate the list of parameters into the HIL, so lower level code
+ // knows where to find parameters.
+ //
+ TIntermAggregate* paramNodes = new TIntermAggregate;
+ for (int i = 0; i < function->getParamCount(); i++) {
+ const TParameter& param = function->getParam(i);
+ if (param.name != 0) {
+ TVariable *variable = new TVariable(param.name, *param.type);
+ //
+ // Insert the parameters with name in the symbol table.
+ //
+ if (! context->symbolTable.insert(*variable)) {
+ context->error((yyvsp[(1) - (1)].interm).line, "redefinition", variable->getName().c_str());
+ context->recover();
+ delete variable;
+ }
+
+ //
+ // Add the parameter to the HIL
+ //
+ paramNodes = context->intermediate.growAggregate(
+ paramNodes,
+ context->intermediate.addSymbol(variable->getUniqueId(),
+ variable->getName(),
+ variable->getType(), (yyvsp[(1) - (1)].interm).line),
+ (yyvsp[(1) - (1)].interm).line);
+ } else {
+ paramNodes = context->intermediate.growAggregate(paramNodes, context->intermediate.addSymbol(0, "", *param.type, (yyvsp[(1) - (1)].interm).line), (yyvsp[(1) - (1)].interm).line);
+ }
+ }
+ context->intermediate.setAggregateOperator(paramNodes, EOpParameters, (yyvsp[(1) - (1)].interm).line);
+ (yyvsp[(1) - (1)].interm).intermAggregate = paramNodes;
+ context->loopNestingLevel = 0;
+ }
+ break;
+
+ case 199:
+
+ {
+ //?? Check that all paths return a value if return type != void ?
+ // May be best done as post process phase on intermediate code
+ if (context->currentFunctionType->getBasicType() != EbtVoid && ! context->functionReturnsValue) {
+ context->error((yyvsp[(1) - (3)].interm).line, "function does not return a value:", "", (yyvsp[(1) - (3)].interm).function->getName().c_str());
+ context->recover();
+ }
+
+ (yyval.interm.intermNode) = context->intermediate.growAggregate((yyvsp[(1) - (3)].interm).intermAggregate, (yyvsp[(3) - (3)].interm.intermNode), 0);
+ context->intermediate.setAggregateOperator((yyval.interm.intermNode), EOpFunction, (yyvsp[(1) - (3)].interm).line);
+ (yyval.interm.intermNode)->getAsAggregate()->setName((yyvsp[(1) - (3)].interm).function->getMangledName().c_str());
+ (yyval.interm.intermNode)->getAsAggregate()->setType((yyvsp[(1) - (3)].interm).function->getReturnType());
+
+ // store the pragma information for debug and optimize and other vendor specific
+ // information. This information can be queried from the parse tree
+ (yyval.interm.intermNode)->getAsAggregate()->setOptimize(context->pragma().optimize);
+ (yyval.interm.intermNode)->getAsAggregate()->setDebug(context->pragma().debug);
+
+ if ((yyvsp[(3) - (3)].interm.intermNode) && (yyvsp[(3) - (3)].interm.intermNode)->getAsAggregate())
+ (yyval.interm.intermNode)->getAsAggregate()->setEndLine((yyvsp[(3) - (3)].interm.intermNode)->getAsAggregate()->getEndLine());
+
+ context->symbolTable.pop();
+ }
+ break;
+
+
+
+ default: break;
+ }
+ YY_SYMBOL_PRINT ("-> $$ =", yyr1[yyn], &yyval, &yyloc);
+
+ YYPOPSTACK (yylen);
+ yylen = 0;
+ YY_STACK_PRINT (yyss, yyssp);
+
+ *++yyvsp = yyval;
+
+ /* Now `shift' the result of the reduction. Determine what state
+ that goes to, based on the state we popped back to and the rule
+ number reduced by. */
+
+ yyn = yyr1[yyn];
+
+ yystate = yypgoto[yyn - YYNTOKENS] + *yyssp;
+ if (0 <= yystate && yystate <= YYLAST && yycheck[yystate] == *yyssp)
+ yystate = yytable[yystate];
+ else
+ yystate = yydefgoto[yyn - YYNTOKENS];
+
+ goto yynewstate;
+
+
+/*------------------------------------.
+| yyerrlab -- here on detecting error |
+`------------------------------------*/
+yyerrlab:
+ /* If not already recovering from an error, report this error. */
+ if (!yyerrstatus)
+ {
+ ++yynerrs;
+#if ! YYERROR_VERBOSE
+ yyerror (context, YY_("syntax error"));
+#else
+ {
+ YYSIZE_T yysize = yysyntax_error (0, yystate, yychar);
+ if (yymsg_alloc < yysize && yymsg_alloc < YYSTACK_ALLOC_MAXIMUM)
+ {
+ YYSIZE_T yyalloc = 2 * yysize;
+ if (! (yysize <= yyalloc && yyalloc <= YYSTACK_ALLOC_MAXIMUM))
+ yyalloc = YYSTACK_ALLOC_MAXIMUM;
+ if (yymsg != yymsgbuf)
+ YYSTACK_FREE (yymsg);
+ yymsg = (char *) YYSTACK_ALLOC (yyalloc);
+ if (yymsg)
+ yymsg_alloc = yyalloc;
+ else
+ {
+ yymsg = yymsgbuf;
+ yymsg_alloc = sizeof yymsgbuf;
+ }
+ }
+
+ if (0 < yysize && yysize <= yymsg_alloc)
+ {
+ (void) yysyntax_error (yymsg, yystate, yychar);
+ yyerror (context, yymsg);
+ }
+ else
+ {
+ yyerror (context, YY_("syntax error"));
+ if (yysize != 0)
+ goto yyexhaustedlab;
+ }
+ }
+#endif
+ }
+
+
+
+ if (yyerrstatus == 3)
+ {
+ /* If just tried and failed to reuse lookahead token after an
+ error, discard it. */
+
+ if (yychar <= YYEOF)
+ {
+ /* Return failure if at end of input. */
+ if (yychar == YYEOF)
+ YYABORT;
+ }
+ else
+ {
+ yydestruct ("Error: discarding",
+ yytoken, &yylval, context);
+ yychar = YYEMPTY;
+ }
+ }
+
+ /* Else will try to reuse lookahead token after shifting the error
+ token. */
+ goto yyerrlab1;
+
+
+/*---------------------------------------------------.
+| yyerrorlab -- error raised explicitly by YYERROR. |
+`---------------------------------------------------*/
+yyerrorlab:
+
+ /* Pacify compilers like GCC when the user code never invokes
+ YYERROR and the label yyerrorlab therefore never appears in user
+ code. */
+ if (/*CONSTCOND*/ 0)
+ goto yyerrorlab;
+
+ /* Do not reclaim the symbols of the rule which action triggered
+ this YYERROR. */
+ YYPOPSTACK (yylen);
+ yylen = 0;
+ YY_STACK_PRINT (yyss, yyssp);
+ yystate = *yyssp;
+ goto yyerrlab1;
+
+
+/*-------------------------------------------------------------.
+| yyerrlab1 -- common code for both syntax error and YYERROR. |
+`-------------------------------------------------------------*/
+yyerrlab1:
+ yyerrstatus = 3; /* Each real token shifted decrements this. */
+
+ for (;;)
+ {
+ yyn = yypact[yystate];
+ if (yyn != YYPACT_NINF)
+ {
+ yyn += YYTERROR;
+ if (0 <= yyn && yyn <= YYLAST && yycheck[yyn] == YYTERROR)
+ {
+ yyn = yytable[yyn];
+ if (0 < yyn)
+ break;
+ }
+ }
+
+ /* Pop the current state because it cannot handle the error token. */
+ if (yyssp == yyss)
+ YYABORT;
+
+
+ yydestruct ("Error: popping",
+ yystos[yystate], yyvsp, context);
+ YYPOPSTACK (1);
+ yystate = *yyssp;
+ YY_STACK_PRINT (yyss, yyssp);
+ }
+
+ *++yyvsp = yylval;
+
+
+ /* Shift the error token. */
+ YY_SYMBOL_PRINT ("Shifting", yystos[yyn], yyvsp, yylsp);
+
+ yystate = yyn;
+ goto yynewstate;
+
+
+/*-------------------------------------.
+| yyacceptlab -- YYACCEPT comes here. |
+`-------------------------------------*/
+yyacceptlab:
+ yyresult = 0;
+ goto yyreturn;
+
+/*-----------------------------------.
+| yyabortlab -- YYABORT comes here. |
+`-----------------------------------*/
+yyabortlab:
+ yyresult = 1;
+ goto yyreturn;
+
+#if !defined(yyoverflow) || YYERROR_VERBOSE
+/*-------------------------------------------------.
+| yyexhaustedlab -- memory exhaustion comes here. |
+`-------------------------------------------------*/
+yyexhaustedlab:
+ yyerror (context, YY_("memory exhausted"));
+ yyresult = 2;
+ /* Fall through. */
+#endif
+
+yyreturn:
+ if (yychar != YYEMPTY)
+ yydestruct ("Cleanup: discarding lookahead",
+ yytoken, &yylval, context);
+ /* Do not reclaim the symbols of the rule which action triggered
+ this YYABORT or YYACCEPT. */
+ YYPOPSTACK (yylen);
+ YY_STACK_PRINT (yyss, yyssp);
+ while (yyssp != yyss)
+ {
+ yydestruct ("Cleanup: popping",
+ yystos[*yyssp], yyvsp, context);
+ YYPOPSTACK (1);
+ }
+#ifndef yyoverflow
+ if (yyss != yyssa)
+ YYSTACK_FREE (yyss);
+#endif
+#if YYERROR_VERBOSE
+ if (yymsg != yymsgbuf)
+ YYSTACK_FREE (yymsg);
+#endif
+ /* Make sure YYID is used. */
+ return YYID (yyresult);
+}
+
+
+
+
+
+int glslang_parse(TParseContext* context) {
+ return yyparse(context);
+}
+
+
diff --git a/src/GLES2/compiler/glslang_tab.h b/src/GLES2/compiler/glslang_tab.h
new file mode 100644
index 0000000..5227361
--- /dev/null
+++ b/src/GLES2/compiler/glslang_tab.h
@@ -0,0 +1,182 @@
+/* A Bison parser, made by GNU Bison 2.4.2. */
+
+/* Skeleton interface for Bison's Yacc-like parsers in C
+
+ Copyright (C) 1984, 1989-1990, 2000-2006, 2009-2010 Free Software
+ Foundation, Inc.
+
+ This program is free software: you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation, either version 3 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program. If not, see <http://www.gnu.org/licenses/>. */
+
+/* As a special exception, you may create a larger work that contains
+ part or all of the Bison parser skeleton and distribute that work
+ under terms of your choice, so long as that work isn't itself a
+ parser generator using the skeleton or a modified version thereof
+ as a parser skeleton. Alternatively, if you modify or redistribute
+ the parser skeleton itself, you may (at your option) remove this
+ special exception, which will cause the skeleton and the resulting
+ Bison output files to be licensed under the GNU General Public
+ License without this special exception.
+
+ This special exception was added by the Free Software Foundation in
+ version 2.2 of Bison. */
+
+
+/* Tokens. */
+#ifndef YYTOKENTYPE
+# define YYTOKENTYPE
+ /* Put the tokens into the symbol table, so that GDB and other debuggers
+ know about them. */
+ enum yytokentype {
+ INVARIANT = 258,
+ HIGH_PRECISION = 259,
+ MEDIUM_PRECISION = 260,
+ LOW_PRECISION = 261,
+ PRECISION = 262,
+ ATTRIBUTE = 263,
+ CONST_QUAL = 264,
+ BOOL_TYPE = 265,
+ FLOAT_TYPE = 266,
+ INT_TYPE = 267,
+ BREAK = 268,
+ CONTINUE = 269,
+ DO = 270,
+ ELSE = 271,
+ FOR = 272,
+ IF = 273,
+ DISCARD = 274,
+ RETURN = 275,
+ BVEC2 = 276,
+ BVEC3 = 277,
+ BVEC4 = 278,
+ IVEC2 = 279,
+ IVEC3 = 280,
+ IVEC4 = 281,
+ VEC2 = 282,
+ VEC3 = 283,
+ VEC4 = 284,
+ MATRIX2 = 285,
+ MATRIX3 = 286,
+ MATRIX4 = 287,
+ IN_QUAL = 288,
+ OUT_QUAL = 289,
+ INOUT_QUAL = 290,
+ UNIFORM = 291,
+ VARYING = 292,
+ STRUCT = 293,
+ VOID_TYPE = 294,
+ WHILE = 295,
+ SAMPLER2D = 296,
+ SAMPLERCUBE = 297,
+ IDENTIFIER = 298,
+ TYPE_NAME = 299,
+ FLOATCONSTANT = 300,
+ INTCONSTANT = 301,
+ BOOLCONSTANT = 302,
+ FIELD_SELECTION = 303,
+ LEFT_OP = 304,
+ RIGHT_OP = 305,
+ INC_OP = 306,
+ DEC_OP = 307,
+ LE_OP = 308,
+ GE_OP = 309,
+ EQ_OP = 310,
+ NE_OP = 311,
+ AND_OP = 312,
+ OR_OP = 313,
+ XOR_OP = 314,
+ MUL_ASSIGN = 315,
+ DIV_ASSIGN = 316,
+ ADD_ASSIGN = 317,
+ MOD_ASSIGN = 318,
+ LEFT_ASSIGN = 319,
+ RIGHT_ASSIGN = 320,
+ AND_ASSIGN = 321,
+ XOR_ASSIGN = 322,
+ OR_ASSIGN = 323,
+ SUB_ASSIGN = 324,
+ LEFT_PAREN = 325,
+ RIGHT_PAREN = 326,
+ LEFT_BRACKET = 327,
+ RIGHT_BRACKET = 328,
+ LEFT_BRACE = 329,
+ RIGHT_BRACE = 330,
+ DOT = 331,
+ COMMA = 332,
+ COLON = 333,
+ EQUAL = 334,
+ SEMICOLON = 335,
+ BANG = 336,
+ DASH = 337,
+ TILDE = 338,
+ PLUS = 339,
+ STAR = 340,
+ SLASH = 341,
+ PERCENT = 342,
+ LEFT_ANGLE = 343,
+ RIGHT_ANGLE = 344,
+ VERTICAL_BAR = 345,
+ CARET = 346,
+ AMPERSAND = 347,
+ QUESTION = 348
+ };
+#endif
+
+
+
+#if ! defined YYSTYPE && ! defined YYSTYPE_IS_DECLARED
+typedef union YYSTYPE
+{
+
+
+ struct {
+ TSourceLoc line;
+ union {
+ TString *string;
+ float f;
+ int i;
+ bool b;
+ };
+ TSymbol* symbol;
+ } lex;
+ struct {
+ TSourceLoc line;
+ TOperator op;
+ union {
+ TIntermNode* intermNode;
+ TIntermNodePair nodePair;
+ TIntermTyped* intermTypedNode;
+ TIntermAggregate* intermAggregate;
+ };
+ union {
+ TPublicType type;
+ TPrecision precision;
+ TQualifier qualifier;
+ TFunction* function;
+ TParameter param;
+ TTypeLine typeLine;
+ TTypeList* typeList;
+ };
+ } interm;
+
+
+
+} YYSTYPE;
+# define YYSTYPE_IS_TRIVIAL 1
+# define yystype YYSTYPE /* obsolescent; will be withdrawn */
+# define YYSTYPE_IS_DECLARED 1
+#endif
+
+
+
+
diff --git a/src/GLES2/compiler/intermOut.cpp b/src/GLES2/compiler/intermOut.cpp
new file mode 100644
index 0000000..798a69a
--- /dev/null
+++ b/src/GLES2/compiler/intermOut.cpp
@@ -0,0 +1,417 @@
+//
+// Copyright (c) 2002-2010 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+#include "compiler/localintermediate.h"
+
+//
+// Two purposes:
+// 1. Show an example of how to iterate tree. Functions can
+// also directly call Traverse() on children themselves to
+// have finer grained control over the process than shown here.
+// See the last function for how to get started.
+// 2. Print out a text based description of the tree.
+//
+
+//
+// Use this class to carry along data from node to node in
+// the traversal
+//
+class TOutputTraverser : public TIntermTraverser {
+public:
+ TOutputTraverser(TInfoSinkBase& i) : sink(i) { }
+ TInfoSinkBase& sink;
+
+protected:
+ void visitSymbol(TIntermSymbol*);
+ void visitConstantUnion(TIntermConstantUnion*);
+ bool visitBinary(Visit visit, TIntermBinary*);
+ bool visitUnary(Visit visit, TIntermUnary*);
+ bool visitSelection(Visit visit, TIntermSelection*);
+ bool visitAggregate(Visit visit, TIntermAggregate*);
+ bool visitLoop(Visit visit, TIntermLoop*);
+ bool visitBranch(Visit visit, TIntermBranch*);
+};
+
+TString TType::getCompleteString() const
+{
+ TStringStream stream;
+
+ if (qualifier != EvqTemporary && qualifier != EvqGlobal)
+ stream << getQualifierString() << " " << getPrecisionString() << " ";
+ if (array)
+ stream << "array of ";
+ if (matrix)
+ stream << size << "X" << size << " matrix of ";
+ else if (size > 1)
+ stream << size << "-component vector of ";
+
+ stream << getBasicString();
+ return stream.str();
+}
+
+//
+// Helper functions for printing, not part of traversing.
+//
+
+void OutputTreeText(TInfoSinkBase& sink, TIntermNode* node, const int depth)
+{
+ int i;
+
+ sink.location(node->getLine());
+
+ for (i = 0; i < depth; ++i)
+ sink << " ";
+}
+
+//
+// The rest of the file are the traversal functions. The last one
+// is the one that starts the traversal.
+//
+// Return true from interior nodes to have the external traversal
+// continue on to children. If you process children yourself,
+// return false.
+//
+
+void TOutputTraverser::visitSymbol(TIntermSymbol* node)
+{
+ OutputTreeText(sink, node, depth);
+
+ sink << "'" << node->getSymbol() << "' ";
+ sink << "(" << node->getCompleteString() << ")\n";
+}
+
+bool TOutputTraverser::visitBinary(Visit visit, TIntermBinary* node)
+{
+ TInfoSinkBase& out = sink;
+
+ OutputTreeText(out, node, depth);
+
+ switch (node->getOp()) {
+ case EOpAssign: out << "move second child to first child"; break;
+ case EOpInitialize: out << "initialize first child with second child"; break;
+ case EOpAddAssign: out << "add second child into first child"; break;
+ case EOpSubAssign: out << "subtract second child into first child"; break;
+ case EOpMulAssign: out << "multiply second child into first child"; break;
+ case EOpVectorTimesMatrixAssign: out << "matrix mult second child into first child"; break;
+ case EOpVectorTimesScalarAssign: out << "vector scale second child into first child"; break;
+ case EOpMatrixTimesScalarAssign: out << "matrix scale second child into first child"; break;
+ case EOpMatrixTimesMatrixAssign: out << "matrix mult second child into first child"; break;
+ case EOpDivAssign: out << "divide second child into first child"; break;
+ case EOpIndexDirect: out << "direct index"; break;
+ case EOpIndexIndirect: out << "indirect index"; break;
+ case EOpIndexDirectStruct: out << "direct index for structure"; break;
+ case EOpVectorSwizzle: out << "vector swizzle"; break;
+
+ case EOpAdd: out << "add"; break;
+ case EOpSub: out << "subtract"; break;
+ case EOpMul: out << "component-wise multiply"; break;
+ case EOpDiv: out << "divide"; break;
+ case EOpEqual: out << "Compare Equal"; break;
+ case EOpNotEqual: out << "Compare Not Equal"; break;
+ case EOpLessThan: out << "Compare Less Than"; break;
+ case EOpGreaterThan: out << "Compare Greater Than"; break;
+ case EOpLessThanEqual: out << "Compare Less Than or Equal"; break;
+ case EOpGreaterThanEqual: out << "Compare Greater Than or Equal"; break;
+
+ case EOpVectorTimesScalar: out << "vector-scale"; break;
+ case EOpVectorTimesMatrix: out << "vector-times-matrix"; break;
+ case EOpMatrixTimesVector: out << "matrix-times-vector"; break;
+ case EOpMatrixTimesScalar: out << "matrix-scale"; break;
+ case EOpMatrixTimesMatrix: out << "matrix-multiply"; break;
+
+ case EOpLogicalOr: out << "logical-or"; break;
+ case EOpLogicalXor: out << "logical-xor"; break;
+ case EOpLogicalAnd: out << "logical-and"; break;
+ default: out << "<unknown op>";
+ }
+
+ out << " (" << node->getCompleteString() << ")";
+
+ out << "\n";
+
+ return true;
+}
+
+bool TOutputTraverser::visitUnary(Visit visit, TIntermUnary* node)
+{
+ TInfoSinkBase& out = sink;
+
+ OutputTreeText(out, node, depth);
+
+ switch (node->getOp()) {
+ case EOpNegative: out << "Negate value"; break;
+ case EOpVectorLogicalNot:
+ case EOpLogicalNot: out << "Negate conditional"; break;
+
+ case EOpPostIncrement: out << "Post-Increment"; break;
+ case EOpPostDecrement: out << "Post-Decrement"; break;
+ case EOpPreIncrement: out << "Pre-Increment"; break;
+ case EOpPreDecrement: out << "Pre-Decrement"; break;
+
+ case EOpConvIntToBool: out << "Convert int to bool"; break;
+ case EOpConvFloatToBool:out << "Convert float to bool";break;
+ case EOpConvBoolToFloat:out << "Convert bool to float";break;
+ case EOpConvIntToFloat: out << "Convert int to float"; break;
+ case EOpConvFloatToInt: out << "Convert float to int"; break;
+ case EOpConvBoolToInt: out << "Convert bool to int"; break;
+
+ case EOpRadians: out << "radians"; break;
+ case EOpDegrees: out << "degrees"; break;
+ case EOpSin: out << "sine"; break;
+ case EOpCos: out << "cosine"; break;
+ case EOpTan: out << "tangent"; break;
+ case EOpAsin: out << "arc sine"; break;
+ case EOpAcos: out << "arc cosine"; break;
+ case EOpAtan: out << "arc tangent"; break;
+
+ case EOpExp: out << "exp"; break;
+ case EOpLog: out << "log"; break;
+ case EOpExp2: out << "exp2"; break;
+ case EOpLog2: out << "log2"; break;
+ case EOpSqrt: out << "sqrt"; break;
+ case EOpInverseSqrt: out << "inverse sqrt"; break;
+
+ case EOpAbs: out << "Absolute value"; break;
+ case EOpSign: out << "Sign"; break;
+ case EOpFloor: out << "Floor"; break;
+ case EOpCeil: out << "Ceiling"; break;
+ case EOpFract: out << "Fraction"; break;
+
+ case EOpLength: out << "length"; break;
+ case EOpNormalize: out << "normalize"; break;
+ // case EOpDPdx: out << "dPdx"; break;
+ // case EOpDPdy: out << "dPdy"; break;
+ // case EOpFwidth: out << "fwidth"; break;
+
+ case EOpAny: out << "any"; break;
+ case EOpAll: out << "all"; break;
+
+ default: out.message(EPrefixError, "Bad unary op");
+ }
+
+ out << " (" << node->getCompleteString() << ")";
+
+ out << "\n";
+
+ return true;
+}
+
+bool TOutputTraverser::visitAggregate(Visit visit, TIntermAggregate* node)
+{
+ TInfoSinkBase& out = sink;
+
+ if (node->getOp() == EOpNull) {
+ out.message(EPrefixError, "node is still EOpNull!");
+ return true;
+ }
+
+ OutputTreeText(out, node, depth);
+
+ switch (node->getOp()) {
+ case EOpSequence: out << "Sequence\n"; return true;
+ case EOpComma: out << "Comma\n"; return true;
+ case EOpFunction: out << "Function Definition: " << node->getName(); break;
+ case EOpFunctionCall: out << "Function Call: " << node->getName(); break;
+ case EOpParameters: out << "Function Parameters: "; break;
+
+ case EOpConstructFloat: out << "Construct float"; break;
+ case EOpConstructVec2: out << "Construct vec2"; break;
+ case EOpConstructVec3: out << "Construct vec3"; break;
+ case EOpConstructVec4: out << "Construct vec4"; break;
+ case EOpConstructBool: out << "Construct bool"; break;
+ case EOpConstructBVec2: out << "Construct bvec2"; break;
+ case EOpConstructBVec3: out << "Construct bvec3"; break;
+ case EOpConstructBVec4: out << "Construct bvec4"; break;
+ case EOpConstructInt: out << "Construct int"; break;
+ case EOpConstructIVec2: out << "Construct ivec2"; break;
+ case EOpConstructIVec3: out << "Construct ivec3"; break;
+ case EOpConstructIVec4: out << "Construct ivec4"; break;
+ case EOpConstructMat2: out << "Construct mat2"; break;
+ case EOpConstructMat3: out << "Construct mat3"; break;
+ case EOpConstructMat4: out << "Construct mat4"; break;
+ case EOpConstructStruct: out << "Construct structure"; break;
+
+ case EOpLessThan: out << "Compare Less Than"; break;
+ case EOpGreaterThan: out << "Compare Greater Than"; break;
+ case EOpLessThanEqual: out << "Compare Less Than or Equal"; break;
+ case EOpGreaterThanEqual: out << "Compare Greater Than or Equal"; break;
+ case EOpVectorEqual: out << "Equal"; break;
+ case EOpVectorNotEqual: out << "NotEqual"; break;
+
+ case EOpMod: out << "mod"; break;
+ case EOpPow: out << "pow"; break;
+
+ case EOpAtan: out << "arc tangent"; break;
+
+ case EOpMin: out << "min"; break;
+ case EOpMax: out << "max"; break;
+ case EOpClamp: out << "clamp"; break;
+ case EOpMix: out << "mix"; break;
+ case EOpStep: out << "step"; break;
+ case EOpSmoothStep: out << "smoothstep"; break;
+
+ case EOpDistance: out << "distance"; break;
+ case EOpDot: out << "dot-product"; break;
+ case EOpCross: out << "cross-product"; break;
+ case EOpFaceForward: out << "face-forward"; break;
+ case EOpReflect: out << "reflect"; break;
+ case EOpRefract: out << "refract"; break;
+ case EOpMul: out << "component-wise multiply"; break;
+
+ default: out.message(EPrefixError, "Bad aggregation op");
+ }
+
+ if (node->getOp() != EOpSequence && node->getOp() != EOpParameters)
+ out << " (" << node->getCompleteString() << ")";
+
+ out << "\n";
+
+ return true;
+}
+
+bool TOutputTraverser::visitSelection(Visit visit, TIntermSelection* node)
+{
+ TInfoSinkBase& out = sink;
+
+ OutputTreeText(out, node, depth);
+
+ out << "Test condition and select";
+ out << " (" << node->getCompleteString() << ")\n";
+
+ ++depth;
+
+ OutputTreeText(sink, node, depth);
+ out << "Condition\n";
+ node->getCondition()->traverse(this);
+
+ OutputTreeText(sink, node, depth);
+ if (node->getTrueBlock()) {
+ out << "true case\n";
+ node->getTrueBlock()->traverse(this);
+ } else
+ out << "true case is null\n";
+
+ if (node->getFalseBlock()) {
+ OutputTreeText(sink, node, depth);
+ out << "false case\n";
+ node->getFalseBlock()->traverse(this);
+ }
+
+ --depth;
+
+ return false;
+}
+
+void TOutputTraverser::visitConstantUnion(TIntermConstantUnion* node)
+{
+ TInfoSinkBase& out = sink;
+
+ int size = node->getType().getObjectSize();
+
+ for (int i = 0; i < size; i++) {
+ OutputTreeText(out, node, depth);
+ switch (node->getUnionArrayPointer()[i].getType()) {
+ case EbtBool:
+ if (node->getUnionArrayPointer()[i].getBConst())
+ out << "true";
+ else
+ out << "false";
+
+ out << " (" << "const bool" << ")";
+ out << "\n";
+ break;
+ case EbtFloat:
+ out << node->getUnionArrayPointer()[i].getFConst();
+ out << " (const float)\n";
+ break;
+ case EbtInt:
+ out << node->getUnionArrayPointer()[i].getIConst();
+ out << " (const int)\n";
+ break;
+ default:
+ out.message(EPrefixInternalError, "Unknown constant", node->getLine());
+ break;
+ }
+ }
+}
+
+bool TOutputTraverser::visitLoop(Visit visit, TIntermLoop* node)
+{
+ TInfoSinkBase& out = sink;
+
+ OutputTreeText(out, node, depth);
+
+ out << "Loop with condition ";
+ if (node->getType() == ELoopDoWhile)
+ out << "not ";
+ out << "tested first\n";
+
+ ++depth;
+
+ OutputTreeText(sink, node, depth);
+ if (node->getCondition()) {
+ out << "Loop Condition\n";
+ node->getCondition()->traverse(this);
+ } else
+ out << "No loop condition\n";
+
+ OutputTreeText(sink, node, depth);
+ if (node->getBody()) {
+ out << "Loop Body\n";
+ node->getBody()->traverse(this);
+ } else
+ out << "No loop body\n";
+
+ if (node->getExpression()) {
+ OutputTreeText(sink, node, depth);
+ out << "Loop Terminal Expression\n";
+ node->getExpression()->traverse(this);
+ }
+
+ --depth;
+
+ return false;
+}
+
+bool TOutputTraverser::visitBranch(Visit visit, TIntermBranch* node)
+{
+ TInfoSinkBase& out = sink;
+
+ OutputTreeText(out, node, depth);
+
+ switch (node->getFlowOp()) {
+ case EOpKill: out << "Branch: Kill"; break;
+ case EOpBreak: out << "Branch: Break"; break;
+ case EOpContinue: out << "Branch: Continue"; break;
+ case EOpReturn: out << "Branch: Return"; break;
+ default: out << "Branch: Unknown Branch"; break;
+ }
+
+ if (node->getExpression()) {
+ out << " with expression\n";
+ ++depth;
+ node->getExpression()->traverse(this);
+ --depth;
+ } else
+ out << "\n";
+
+ return false;
+}
+
+//
+// This function is the one to call externally to start the traversal.
+// Individual functions can be initialized to 0 to skip processing of that
+// type of node. It's children will still be processed.
+//
+void TIntermediate::outputTree(TIntermNode* root)
+{
+ if (root == 0)
+ return;
+
+ TOutputTraverser it(infoSink.info);
+
+ root->traverse(&it);
+}
diff --git a/src/GLES2/compiler/intermediate.h b/src/GLES2/compiler/intermediate.h
new file mode 100644
index 0000000..5ed5f54
--- /dev/null
+++ b/src/GLES2/compiler/intermediate.h
@@ -0,0 +1,551 @@
+//
+// Copyright (c) 2002-2012 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+//
+// Definition of the in-memory high-level intermediate representation
+// of shaders. This is a tree that parser creates.
+//
+// Nodes in the tree are defined as a hierarchy of classes derived from
+// TIntermNode. Each is a node in a tree. There is no preset branching factor;
+// each node can have it's own type of list of children.
+//
+
+#ifndef __INTERMEDIATE_H
+#define __INTERMEDIATE_H
+
+#include "compiler/Common.h"
+#include "compiler/Types.h"
+#include "compiler/ConstantUnion.h"
+
+//
+// Operators used by the high-level (parse tree) representation.
+//
+enum TOperator {
+ EOpNull, // if in a node, should only mean a node is still being built
+ EOpSequence, // denotes a list of statements, or parameters, etc.
+ EOpFunctionCall,
+ EOpFunction, // For function definition
+ EOpParameters, // an aggregate listing the parameters to a function
+
+ EOpDeclaration,
+ EOpPrototype,
+
+ //
+ // Unary operators
+ //
+
+ EOpNegative,
+ EOpLogicalNot,
+ EOpVectorLogicalNot,
+
+ EOpPostIncrement,
+ EOpPostDecrement,
+ EOpPreIncrement,
+ EOpPreDecrement,
+
+ EOpConvIntToBool,
+ EOpConvFloatToBool,
+ EOpConvBoolToFloat,
+ EOpConvIntToFloat,
+ EOpConvFloatToInt,
+ EOpConvBoolToInt,
+
+ //
+ // binary operations
+ //
+
+ EOpAdd,
+ EOpSub,
+ EOpMul,
+ EOpDiv,
+ EOpEqual,
+ EOpNotEqual,
+ EOpVectorEqual,
+ EOpVectorNotEqual,
+ EOpLessThan,
+ EOpGreaterThan,
+ EOpLessThanEqual,
+ EOpGreaterThanEqual,
+ EOpComma,
+
+ EOpVectorTimesScalar,
+ EOpVectorTimesMatrix,
+ EOpMatrixTimesVector,
+ EOpMatrixTimesScalar,
+
+ EOpLogicalOr,
+ EOpLogicalXor,
+ EOpLogicalAnd,
+
+ EOpIndexDirect,
+ EOpIndexIndirect,
+ EOpIndexDirectStruct,
+
+ EOpVectorSwizzle,
+
+ //
+ // Built-in functions potentially mapped to operators
+ //
+
+ EOpRadians,
+ EOpDegrees,
+ EOpSin,
+ EOpCos,
+ EOpTan,
+ EOpAsin,
+ EOpAcos,
+ EOpAtan,
+
+ EOpPow,
+ EOpExp,
+ EOpLog,
+ EOpExp2,
+ EOpLog2,
+ EOpSqrt,
+ EOpInverseSqrt,
+
+ EOpAbs,
+ EOpSign,
+ EOpFloor,
+ EOpCeil,
+ EOpFract,
+ EOpMod,
+ EOpMin,
+ EOpMax,
+ EOpClamp,
+ EOpMix,
+ EOpStep,
+ EOpSmoothStep,
+
+ EOpLength,
+ EOpDistance,
+ EOpDot,
+ EOpCross,
+ EOpNormalize,
+ EOpFaceForward,
+ EOpReflect,
+ EOpRefract,
+
+ EOpDFdx, // Fragment only, OES_standard_derivatives extension
+ EOpDFdy, // Fragment only, OES_standard_derivatives extension
+ EOpFwidth, // Fragment only, OES_standard_derivatives extension
+
+ EOpMatrixTimesMatrix,
+
+ EOpAny,
+ EOpAll,
+
+ //
+ // Branch
+ //
+
+ EOpKill, // Fragment only
+ EOpReturn,
+ EOpBreak,
+ EOpContinue,
+
+ //
+ // Constructors
+ //
+
+ EOpConstructInt,
+ EOpConstructBool,
+ EOpConstructFloat,
+ EOpConstructVec2,
+ EOpConstructVec3,
+ EOpConstructVec4,
+ EOpConstructBVec2,
+ EOpConstructBVec3,
+ EOpConstructBVec4,
+ EOpConstructIVec2,
+ EOpConstructIVec3,
+ EOpConstructIVec4,
+ EOpConstructMat2,
+ EOpConstructMat3,
+ EOpConstructMat4,
+ EOpConstructStruct,
+
+ //
+ // moves
+ //
+
+ EOpAssign,
+ EOpInitialize,
+ EOpAddAssign,
+ EOpSubAssign,
+ EOpMulAssign,
+ EOpVectorTimesMatrixAssign,
+ EOpVectorTimesScalarAssign,
+ EOpMatrixTimesScalarAssign,
+ EOpMatrixTimesMatrixAssign,
+ EOpDivAssign,
+};
+
+extern const char* getOperatorString(TOperator op);
+
+class TIntermTraverser;
+class TIntermAggregate;
+class TIntermBinary;
+class TIntermUnary;
+class TIntermConstantUnion;
+class TIntermSelection;
+class TIntermTyped;
+class TIntermSymbol;
+class TIntermLoop;
+class TIntermBranch;
+class TInfoSink;
+
+//
+// Base class for the tree nodes
+//
+class TIntermNode {
+public:
+ POOL_ALLOCATOR_NEW_DELETE(GlobalPoolAllocator)
+
+ TIntermNode() : line(0) {}
+
+ TSourceLoc getLine() const { return line; }
+ void setLine(TSourceLoc l) { line = l; }
+
+ virtual void traverse(TIntermTraverser*) = 0;
+ virtual TIntermTyped* getAsTyped() { return 0; }
+ virtual TIntermConstantUnion* getAsConstantUnion() { return 0; }
+ virtual TIntermAggregate* getAsAggregate() { return 0; }
+ virtual TIntermBinary* getAsBinaryNode() { return 0; }
+ virtual TIntermUnary* getAsUnaryNode() { return 0; }
+ virtual TIntermSelection* getAsSelectionNode() { return 0; }
+ virtual TIntermSymbol* getAsSymbolNode() { return 0; }
+ virtual TIntermLoop* getAsLoopNode() { return 0; }
+ virtual TIntermBranch* getAsBranchNode() { return 0; }
+ virtual ~TIntermNode() { }
+
+protected:
+ TSourceLoc line;
+};
+
+//
+// This is just to help yacc.
+//
+struct TIntermNodePair {
+ TIntermNode* node1;
+ TIntermNode* node2;
+};
+
+//
+// Intermediate class for nodes that have a type.
+//
+class TIntermTyped : public TIntermNode {
+public:
+ TIntermTyped(const TType& t) : type(t) { }
+ virtual TIntermTyped* getAsTyped() { return this; }
+
+ void setType(const TType& t) { type = t; }
+ const TType& getType() const { return type; }
+ TType* getTypePointer() { return &type; }
+
+ TBasicType getBasicType() const { return type.getBasicType(); }
+ TQualifier getQualifier() const { return type.getQualifier(); }
+ TPrecision getPrecision() const { return type.getPrecision(); }
+ int getNominalSize() const { return type.getNominalSize(); }
+
+ bool isMatrix() const { return type.isMatrix(); }
+ bool isArray() const { return type.isArray(); }
+ bool isVector() const { return type.isVector(); }
+ bool isScalar() const { return type.isScalar(); }
+ bool isRegister() const { return type.isRegister(); } // Fits in a 4-element register
+ bool isStruct() const { return type.isStruct(); }
+ const char* getBasicString() const { return type.getBasicString(); }
+ const char* getQualifierString() const { return type.getQualifierString(); }
+ TString getCompleteString() const { return type.getCompleteString(); }
+
+ int totalRegisterCount() const { return type.totalRegisterCount(); }
+ int elementRegisterCount() const { return type.elementRegisterCount(); }
+ int getArraySize() const { return type.getArraySize(); }
+
+protected:
+ TType type;
+};
+
+//
+// Handle for, do-while, and while loops.
+//
+enum TLoopType {
+ ELoopFor,
+ ELoopWhile,
+ ELoopDoWhile,
+};
+
+class TIntermLoop : public TIntermNode {
+public:
+ TIntermLoop(TLoopType aType,
+ TIntermNode *aInit, TIntermTyped* aCond, TIntermTyped* aExpr,
+ TIntermNode* aBody) :
+ type(aType),
+ init(aInit),
+ cond(aCond),
+ expr(aExpr),
+ body(aBody),
+ unrollFlag(false) { }
+
+ virtual TIntermLoop* getAsLoopNode() { return this; }
+ virtual void traverse(TIntermTraverser*);
+
+ TLoopType getType() const { return type; }
+ TIntermNode* getInit() { return init; }
+ TIntermTyped* getCondition() { return cond; }
+ TIntermTyped* getExpression() { return expr; }
+ TIntermNode* getBody() { return body; }
+
+ void setUnrollFlag(bool flag) { unrollFlag = flag; }
+ bool getUnrollFlag() { return unrollFlag; }
+
+protected:
+ TLoopType type;
+ TIntermNode* init; // for-loop initialization
+ TIntermTyped* cond; // loop exit condition
+ TIntermTyped* expr; // for-loop expression
+ TIntermNode* body; // loop body
+
+ bool unrollFlag; // Whether the loop should be unrolled or not.
+};
+
+//
+// Handle break, continue, return, and kill.
+//
+class TIntermBranch : public TIntermNode {
+public:
+ TIntermBranch(TOperator op, TIntermTyped* e) :
+ flowOp(op),
+ expression(e) { }
+
+ virtual TIntermBranch* getAsBranchNode() { return this; }
+ virtual void traverse(TIntermTraverser*);
+
+ TOperator getFlowOp() { return flowOp; }
+ TIntermTyped* getExpression() { return expression; }
+
+protected:
+ TOperator flowOp;
+ TIntermTyped* expression; // non-zero except for "return exp;" statements
+};
+
+//
+// Nodes that correspond to symbols or constants in the source code.
+//
+class TIntermSymbol : public TIntermTyped {
+public:
+ // if symbol is initialized as symbol(sym), the memory comes from the poolallocator of sym. If sym comes from
+ // per process globalpoolallocator, then it causes increased memory usage per compile
+ // it is essential to use "symbol = sym" to assign to symbol
+ TIntermSymbol(int i, const TString& sym, const TType& t) :
+ TIntermTyped(t), id(i) { symbol = sym; }
+
+ int getId() const { return id; }
+ const TString& getSymbol() const { return symbol; }
+
+ void setId(int newId) { id = newId; }
+
+ virtual void traverse(TIntermTraverser*);
+ virtual TIntermSymbol* getAsSymbolNode() { return this; }
+
+protected:
+ int id;
+ TString symbol;
+};
+
+class TIntermConstantUnion : public TIntermTyped {
+public:
+ TIntermConstantUnion(ConstantUnion *unionPointer, const TType& t) : TIntermTyped(t), unionArrayPointer(unionPointer) { }
+
+ ConstantUnion* getUnionArrayPointer() const { return unionArrayPointer; }
+ void setUnionArrayPointer(ConstantUnion *c) { unionArrayPointer = c; }
+
+ virtual TIntermConstantUnion* getAsConstantUnion() { return this; }
+ virtual void traverse(TIntermTraverser*);
+
+ TIntermTyped* fold(TOperator, TIntermTyped*, TInfoSink&);
+
+protected:
+ ConstantUnion *unionArrayPointer;
+};
+
+//
+// Intermediate class for node types that hold operators.
+//
+class TIntermOperator : public TIntermTyped {
+public:
+ TOperator getOp() const { return op; }
+ void setOp(TOperator o) { op = o; }
+
+ bool modifiesState() const;
+ bool isConstructor() const;
+
+protected:
+ TIntermOperator(TOperator o) : TIntermTyped(TType(EbtFloat, EbpUndefined)), op(o) {}
+ TIntermOperator(TOperator o, TType& t) : TIntermTyped(t), op(o) {}
+ TOperator op;
+};
+
+//
+// Nodes for all the basic binary math operators.
+//
+class TIntermBinary : public TIntermOperator {
+public:
+ TIntermBinary(TOperator o) : TIntermOperator(o) {}
+
+ virtual TIntermBinary* getAsBinaryNode() { return this; }
+ virtual void traverse(TIntermTraverser*);
+
+ void setLeft(TIntermTyped* n) { left = n; }
+ void setRight(TIntermTyped* n) { right = n; }
+ TIntermTyped* getLeft() const { return left; }
+ TIntermTyped* getRight() const { return right; }
+ bool promote(TInfoSink&);
+
+protected:
+ TIntermTyped* left;
+ TIntermTyped* right;
+};
+
+//
+// Nodes for unary math operators.
+//
+class TIntermUnary : public TIntermOperator {
+public:
+ TIntermUnary(TOperator o, TType& t) : TIntermOperator(o, t), operand(0) {}
+ TIntermUnary(TOperator o) : TIntermOperator(o), operand(0) {}
+
+ virtual void traverse(TIntermTraverser*);
+ virtual TIntermUnary* getAsUnaryNode() { return this; }
+
+ void setOperand(TIntermTyped* o) { operand = o; }
+ TIntermTyped* getOperand() { return operand; }
+ bool promote(TInfoSink&);
+
+protected:
+ TIntermTyped* operand;
+};
+
+typedef TVector<TIntermNode*> TIntermSequence;
+typedef TVector<int> TQualifierList;
+
+//
+// Nodes that operate on an arbitrary sized set of children.
+//
+class TIntermAggregate : public TIntermOperator {
+public:
+ TIntermAggregate() : TIntermOperator(EOpNull), userDefined(false), endLine(0) { }
+ TIntermAggregate(TOperator o) : TIntermOperator(o) { }
+ ~TIntermAggregate() { }
+
+ virtual TIntermAggregate* getAsAggregate() { return this; }
+ virtual void traverse(TIntermTraverser*);
+
+ TIntermSequence& getSequence() { return sequence; }
+
+ void setName(const TString& n) { name = n; }
+ const TString& getName() const { return name; }
+
+ void setUserDefined() { userDefined = true; }
+ bool isUserDefined() const { return userDefined; }
+
+ void setOptimize(bool o) { optimize = o; }
+ bool getOptimize() { return optimize; }
+ void setDebug(bool d) { debug = d; }
+ bool getDebug() { return debug; }
+
+ void setEndLine(TSourceLoc line) { endLine = line; }
+ TSourceLoc getEndLine() const { return endLine; }
+
+protected:
+ TIntermAggregate(const TIntermAggregate&); // disallow copy constructor
+ TIntermAggregate& operator=(const TIntermAggregate&); // disallow assignment operator
+ TIntermSequence sequence;
+ TString name;
+ bool userDefined; // used for user defined function names
+
+ bool optimize;
+ bool debug;
+ TSourceLoc endLine;
+};
+
+//
+// For if tests. Simplified since there is no switch statement.
+//
+class TIntermSelection : public TIntermTyped {
+public:
+ TIntermSelection(TIntermTyped* cond, TIntermNode* trueB, TIntermNode* falseB) :
+ TIntermTyped(TType(EbtVoid, EbpUndefined)), condition(cond), trueBlock(trueB), falseBlock(falseB) {}
+ TIntermSelection(TIntermTyped* cond, TIntermNode* trueB, TIntermNode* falseB, const TType& type) :
+ TIntermTyped(type), condition(cond), trueBlock(trueB), falseBlock(falseB)
+ {
+ this->type.setQualifier(EvqTemporary);
+ }
+
+ virtual void traverse(TIntermTraverser*);
+
+ bool usesTernaryOperator() const { return getBasicType() != EbtVoid; }
+ TIntermTyped* getCondition() const { return condition; }
+ TIntermNode* getTrueBlock() const { return trueBlock; }
+ TIntermNode* getFalseBlock() const { return falseBlock; }
+ TIntermSelection* getAsSelectionNode() { return this; }
+
+protected:
+ TIntermTyped* condition;
+ TIntermNode* trueBlock;
+ TIntermNode* falseBlock;
+};
+
+enum Visit
+{
+ PreVisit,
+ InVisit,
+ PostVisit
+};
+
+//
+// For traversing the tree. User should derive from this,
+// put their traversal specific data in it, and then pass
+// it to a Traverse method.
+//
+// When using this, just fill in the methods for nodes you want visited.
+// Return false from a pre-visit to skip visiting that node's subtree.
+//
+class TIntermTraverser
+{
+public:
+ POOL_ALLOCATOR_NEW_DELETE(GlobalPoolAllocator)
+
+ TIntermTraverser(bool preVisit = true, bool inVisit = false, bool postVisit = false, bool rightToLeft = false) :
+ preVisit(preVisit),
+ inVisit(inVisit),
+ postVisit(postVisit),
+ rightToLeft(rightToLeft),
+ depth(0) {}
+ virtual ~TIntermTraverser() {};
+
+ virtual void visitSymbol(TIntermSymbol*) {}
+ virtual void visitConstantUnion(TIntermConstantUnion*) {}
+ virtual bool visitBinary(Visit visit, TIntermBinary*) {return true;}
+ virtual bool visitUnary(Visit visit, TIntermUnary*) {return true;}
+ virtual bool visitSelection(Visit visit, TIntermSelection*) {return true;}
+ virtual bool visitAggregate(Visit visit, TIntermAggregate*) {return true;}
+ virtual bool visitLoop(Visit visit, TIntermLoop*) {return true;}
+ virtual bool visitBranch(Visit visit, TIntermBranch*) {return true;}
+
+ void incrementDepth() {depth++;}
+ void decrementDepth() {depth--;}
+
+ const bool preVisit;
+ const bool inVisit;
+ const bool postVisit;
+ const bool rightToLeft;
+
+protected:
+ int depth;
+};
+
+#endif // __INTERMEDIATE_H
diff --git a/src/GLES2/compiler/localintermediate.h b/src/GLES2/compiler/localintermediate.h
new file mode 100644
index 0000000..56890bd
--- /dev/null
+++ b/src/GLES2/compiler/localintermediate.h
@@ -0,0 +1,58 @@
+//
+// Copyright (c) 2002-2010 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+#ifndef _LOCAL_INTERMEDIATE_INCLUDED_
+#define _LOCAL_INTERMEDIATE_INCLUDED_
+
+#include "GLSLANG/ShaderLang.h"
+#include "compiler/intermediate.h"
+#include "compiler/SymbolTable.h"
+
+struct TVectorFields {
+ int offsets[4];
+ int num;
+};
+
+//
+// Set of helper functions to help parse and build the tree.
+//
+class TInfoSink;
+class TIntermediate {
+public:
+ POOL_ALLOCATOR_NEW_DELETE(GlobalPoolAllocator)
+
+ TIntermediate(TInfoSink& i) : infoSink(i) { }
+ TIntermSymbol* addSymbol(int Id, const TString&, const TType&, TSourceLoc);
+ TIntermTyped* addConversion(TOperator, const TType&, TIntermTyped*);
+ TIntermTyped* addBinaryMath(TOperator op, TIntermTyped* left, TIntermTyped* right, TSourceLoc, TSymbolTable&);
+ TIntermTyped* addAssign(TOperator op, TIntermTyped* left, TIntermTyped* right, TSourceLoc);
+ TIntermTyped* addIndex(TOperator op, TIntermTyped* base, TIntermTyped* index, TSourceLoc);
+ TIntermTyped* addUnaryMath(TOperator op, TIntermNode* child, TSourceLoc, TSymbolTable&);
+ TIntermAggregate* growAggregate(TIntermNode* left, TIntermNode* right, TSourceLoc);
+ TIntermAggregate* makeAggregate(TIntermNode* node, TSourceLoc);
+ TIntermAggregate* setAggregateOperator(TIntermNode*, TOperator, TSourceLoc);
+ TIntermNode* addSelection(TIntermTyped* cond, TIntermNodePair code, TSourceLoc);
+ TIntermTyped* addSelection(TIntermTyped* cond, TIntermTyped* trueBlock, TIntermTyped* falseBlock, TSourceLoc);
+ TIntermTyped* addComma(TIntermTyped* left, TIntermTyped* right, TSourceLoc);
+ TIntermConstantUnion* addConstantUnion(ConstantUnion*, const TType&, TSourceLoc);
+ TIntermTyped* promoteConstantUnion(TBasicType, TIntermConstantUnion*) ;
+ bool parseConstTree(TSourceLoc, TIntermNode*, ConstantUnion*, TOperator, TSymbolTable&, TType, bool singleConstantParam = false);
+ TIntermNode* addLoop(TLoopType, TIntermNode*, TIntermTyped*, TIntermTyped*, TIntermNode*, TSourceLoc);
+ TIntermBranch* addBranch(TOperator, TSourceLoc);
+ TIntermBranch* addBranch(TOperator, TIntermTyped*, TSourceLoc);
+ TIntermTyped* addSwizzle(TVectorFields&, TSourceLoc);
+ bool postProcess(TIntermNode*);
+ void remove(TIntermNode*);
+ void outputTree(TIntermNode*);
+
+protected:
+ TInfoSink& infoSink;
+
+private:
+ void operator=(TIntermediate&); // prevent assignments
+};
+
+#endif // _LOCAL_INTERMEDIATE_INCLUDED_
diff --git a/src/GLES2/compiler/osinclude.h b/src/GLES2/compiler/osinclude.h
new file mode 100644
index 0000000..42379f0
--- /dev/null
+++ b/src/GLES2/compiler/osinclude.h
@@ -0,0 +1,65 @@
+//
+// Copyright (c) 2002-2012 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+#ifndef __OSINCLUDE_H
+#define __OSINCLUDE_H
+
+//
+// This file contains contains os-specific datatypes and
+// declares any os-specific functions.
+//
+
+#if defined(_WIN32) || defined(_WIN64)
+#define ANGLE_OS_WIN
+#elif defined(__APPLE__) || defined(__linux__) || \
+ defined(__FreeBSD__) || defined(__OpenBSD__) || \
+ defined(__sun) || defined(ANDROID) || \
+ defined(__GLIBC__) || defined(__GNU__) || \
+ defined(__QNX__)
+#define ANGLE_OS_POSIX
+#else
+#error Unsupported platform.
+#endif
+
+#if defined(ANGLE_OS_WIN)
+#define STRICT
+#define VC_EXTRALEAN 1
+#include <windows.h>
+#elif defined(ANGLE_OS_POSIX)
+#include <pthread.h>
+#include <semaphore.h>
+#include <errno.h>
+#endif
+
+
+#include "compiler/debug.h"
+
+//
+// Thread Local Storage Operations
+//
+#if defined(ANGLE_OS_WIN)
+typedef DWORD OS_TLSIndex;
+#define OS_INVALID_TLS_INDEX (TLS_OUT_OF_INDEXES)
+#elif defined(ANGLE_OS_POSIX)
+typedef unsigned int OS_TLSIndex;
+#define OS_INVALID_TLS_INDEX 0xFFFFFFFF
+#endif
+
+OS_TLSIndex OS_AllocTLSIndex();
+bool OS_SetTLSValue(OS_TLSIndex nIndex, void *lpvValue);
+bool OS_FreeTLSIndex(OS_TLSIndex nIndex);
+
+inline void* OS_GetTLSValue(OS_TLSIndex nIndex)
+{
+ ASSERT(nIndex != OS_INVALID_TLS_INDEX);
+#if defined(ANGLE_OS_WIN)
+ return TlsGetValue(nIndex);
+#elif defined(ANGLE_OS_POSIX)
+ return pthread_getspecific(nIndex);
+#endif // ANGLE_OS_WIN
+}
+
+#endif // __OSINCLUDE_H
diff --git a/src/GLES2/compiler/ossource_posix.cpp b/src/GLES2/compiler/ossource_posix.cpp
new file mode 100644
index 0000000..1e1e699
--- /dev/null
+++ b/src/GLES2/compiler/ossource_posix.cpp
@@ -0,0 +1,64 @@
+//
+// Copyright (c) 2002-2010 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+//
+// This file contains the posix specific functions
+//
+#include "compiler/osinclude.h"
+
+#if !defined(ANGLE_OS_POSIX)
+#error Trying to build a posix specific file in a non-posix build.
+#endif
+
+//
+// Thread Local Storage Operations
+//
+OS_TLSIndex OS_AllocTLSIndex()
+{
+ pthread_key_t pPoolIndex;
+
+ //
+ // Create global pool key.
+ //
+ if ((pthread_key_create(&pPoolIndex, NULL)) != 0) {
+ assert(0 && "OS_AllocTLSIndex(): Unable to allocate Thread Local Storage");
+ return false;
+ }
+ else {
+ return pPoolIndex;
+ }
+}
+
+
+bool OS_SetTLSValue(OS_TLSIndex nIndex, void *lpvValue)
+{
+ if (nIndex == OS_INVALID_TLS_INDEX) {
+ assert(0 && "OS_SetTLSValue(): Invalid TLS Index");
+ return false;
+ }
+
+ if (pthread_setspecific(nIndex, lpvValue) == 0)
+ return true;
+ else
+ return false;
+}
+
+
+bool OS_FreeTLSIndex(OS_TLSIndex nIndex)
+{
+ if (nIndex == OS_INVALID_TLS_INDEX) {
+ assert(0 && "OS_SetTLSValue(): Invalid TLS Index");
+ return false;
+ }
+
+ //
+ // Delete the global pool key.
+ //
+ if (pthread_key_delete(nIndex) == 0)
+ return true;
+ else
+ return false;
+}
diff --git a/src/GLES2/compiler/ossource_win.cpp b/src/GLES2/compiler/ossource_win.cpp
new file mode 100644
index 0000000..89922fe
--- /dev/null
+++ b/src/GLES2/compiler/ossource_win.cpp
@@ -0,0 +1,57 @@
+//
+// Copyright (c) 2002-2010 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+#include "compiler/osinclude.h"
+//
+// This file contains contains the window's specific functions
+//
+
+#if !defined(ANGLE_OS_WIN)
+#error Trying to build a windows specific file in a non windows build.
+#endif
+
+
+//
+// Thread Local Storage Operations
+//
+OS_TLSIndex OS_AllocTLSIndex()
+{
+ DWORD dwIndex = TlsAlloc();
+ if (dwIndex == TLS_OUT_OF_INDEXES) {
+ assert(0 && "OS_AllocTLSIndex(): Unable to allocate Thread Local Storage");
+ return OS_INVALID_TLS_INDEX;
+ }
+
+ return dwIndex;
+}
+
+
+bool OS_SetTLSValue(OS_TLSIndex nIndex, void *lpvValue)
+{
+ if (nIndex == OS_INVALID_TLS_INDEX) {
+ assert(0 && "OS_SetTLSValue(): Invalid TLS Index");
+ return false;
+ }
+
+ if (TlsSetValue(nIndex, lpvValue))
+ return true;
+ else
+ return false;
+}
+
+
+bool OS_FreeTLSIndex(OS_TLSIndex nIndex)
+{
+ if (nIndex == OS_INVALID_TLS_INDEX) {
+ assert(0 && "OS_SetTLSValue(): Invalid TLS Index");
+ return false;
+ }
+
+ if (TlsFree(nIndex))
+ return true;
+ else
+ return false;
+}
diff --git a/src/GLES2/compiler/parseConst.cpp b/src/GLES2/compiler/parseConst.cpp
new file mode 100644
index 0000000..9a8a50c
--- /dev/null
+++ b/src/GLES2/compiler/parseConst.cpp
@@ -0,0 +1,238 @@
+//
+// Copyright (c) 2002-2010 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+#include "compiler/ParseHelper.h"
+
+//
+// Use this class to carry along data from node to node in
+// the traversal
+//
+class TConstTraverser : public TIntermTraverser {
+public:
+ TConstTraverser(ConstantUnion* cUnion, bool singleConstParam, TOperator constructType, TInfoSink& sink, TSymbolTable& symTable, TType& t)
+ : error(false),
+ index(0),
+ unionArray(cUnion),
+ type(t),
+ constructorType(constructType),
+ singleConstantParam(singleConstParam),
+ infoSink(sink),
+ symbolTable(symTable),
+ size(0),
+ isMatrix(false),
+ matrixSize(0) {
+ }
+
+ bool error;
+
+protected:
+ void visitSymbol(TIntermSymbol*);
+ void visitConstantUnion(TIntermConstantUnion*);
+ bool visitBinary(Visit visit, TIntermBinary*);
+ bool visitUnary(Visit visit, TIntermUnary*);
+ bool visitSelection(Visit visit, TIntermSelection*);
+ bool visitAggregate(Visit visit, TIntermAggregate*);
+ bool visitLoop(Visit visit, TIntermLoop*);
+ bool visitBranch(Visit visit, TIntermBranch*);
+
+ int index;
+ ConstantUnion *unionArray;
+ TType type;
+ TOperator constructorType;
+ bool singleConstantParam;
+ TInfoSink& infoSink;
+ TSymbolTable& symbolTable;
+ int size; // size of the constructor ( 4 for vec4)
+ bool isMatrix;
+ int matrixSize; // dimension of the matrix (nominal size and not the instance size)
+};
+
+//
+// The rest of the file are the traversal functions. The last one
+// is the one that starts the traversal.
+//
+// Return true from interior nodes to have the external traversal
+// continue on to children. If you process children yourself,
+// return false.
+//
+
+void TConstTraverser::visitSymbol(TIntermSymbol* node)
+{
+ infoSink.info.message(EPrefixInternalError, "Symbol Node found in constant constructor", node->getLine());
+ return;
+
+}
+
+bool TConstTraverser::visitBinary(Visit visit, TIntermBinary* node)
+{
+ TQualifier qualifier = node->getType().getQualifier();
+
+ if (qualifier != EvqConst) {
+ TString buf;
+ buf.append("'constructor' : assigning non-constant to ");
+ buf.append(type.getCompleteString());
+ infoSink.info.message(EPrefixError, buf.c_str(), node->getLine());
+ error = true;
+ return false;
+ }
+
+ infoSink.info.message(EPrefixInternalError, "Binary Node found in constant constructor", node->getLine());
+
+ return false;
+}
+
+bool TConstTraverser::visitUnary(Visit visit, TIntermUnary* node)
+{
+ TString buf;
+ buf.append("'constructor' : assigning non-constant to ");
+ buf.append(type.getCompleteString());
+ infoSink.info.message(EPrefixError, buf.c_str(), node->getLine());
+ error = true;
+ return false;
+}
+
+bool TConstTraverser::visitAggregate(Visit visit, TIntermAggregate* node)
+{
+ if (!node->isConstructor() && node->getOp() != EOpComma) {
+ TString buf;
+ buf.append("'constructor' : assigning non-constant to ");
+ buf.append(type.getCompleteString());
+ infoSink.info.message(EPrefixError, buf.c_str(), node->getLine());
+ error = true;
+ return false;
+ }
+
+ if (node->getSequence().size() == 0) {
+ error = true;
+ return false;
+ }
+
+ bool flag = node->getSequence().size() == 1 && node->getSequence()[0]->getAsTyped()->getAsConstantUnion();
+ if (flag)
+ {
+ singleConstantParam = true;
+ constructorType = node->getOp();
+ size = node->getType().getObjectSize();
+
+ if (node->getType().isMatrix()) {
+ isMatrix = true;
+ matrixSize = node->getType().getNominalSize();
+ }
+ }
+
+ for (TIntermSequence::iterator p = node->getSequence().begin();
+ p != node->getSequence().end(); p++) {
+
+ if (node->getOp() == EOpComma)
+ index = 0;
+
+ (*p)->traverse(this);
+ }
+ if (flag)
+ {
+ singleConstantParam = false;
+ constructorType = EOpNull;
+ size = 0;
+ isMatrix = false;
+ matrixSize = 0;
+ }
+ return false;
+}
+
+bool TConstTraverser::visitSelection(Visit visit, TIntermSelection* node)
+{
+ infoSink.info.message(EPrefixInternalError, "Selection Node found in constant constructor", node->getLine());
+ error = true;
+ return false;
+}
+
+void TConstTraverser::visitConstantUnion(TIntermConstantUnion* node)
+{
+ ConstantUnion* leftUnionArray = unionArray;
+ int instanceSize = type.getObjectSize();
+
+ if (index >= instanceSize)
+ return;
+
+ if (!singleConstantParam) {
+ int size = node->getType().getObjectSize();
+
+ ConstantUnion *rightUnionArray = node->getUnionArrayPointer();
+ for (int i=0; i < size; i++) {
+ if (index >= instanceSize)
+ return;
+ leftUnionArray[index] = rightUnionArray[i];
+
+ (index)++;
+ }
+ } else {
+ int totalSize = index + size;
+ ConstantUnion *rightUnionArray = node->getUnionArrayPointer();
+ if (!isMatrix) {
+ int count = 0;
+ for (int i = index; i < totalSize; i++) {
+ if (i >= instanceSize)
+ return;
+
+ leftUnionArray[i] = rightUnionArray[count];
+
+ (index)++;
+
+ if (node->getType().getObjectSize() > 1)
+ count++;
+ }
+ } else { // for matrix constructors
+ int count = 0;
+ int element = index;
+ for (int i = index; i < totalSize; i++) {
+ if (i >= instanceSize)
+ return;
+ if (element - i == 0 || (i - element) % (matrixSize + 1) == 0 )
+ leftUnionArray[i] = rightUnionArray[count];
+ else
+ leftUnionArray[i].setFConst(0.0f);
+
+ (index)++;
+
+ if (node->getType().getObjectSize() > 1)
+ count++;
+ }
+ }
+ }
+}
+
+bool TConstTraverser::visitLoop(Visit visit, TIntermLoop* node)
+{
+ infoSink.info.message(EPrefixInternalError, "Loop Node found in constant constructor", node->getLine());
+ error = true;
+ return false;
+}
+
+bool TConstTraverser::visitBranch(Visit visit, TIntermBranch* node)
+{
+ infoSink.info.message(EPrefixInternalError, "Branch Node found in constant constructor", node->getLine());
+ error = true;
+ return false;
+}
+
+//
+// This function is the one to call externally to start the traversal.
+// Individual functions can be initialized to 0 to skip processing of that
+// type of node. It's children will still be processed.
+//
+bool TIntermediate::parseConstTree(TSourceLoc line, TIntermNode* root, ConstantUnion* unionArray, TOperator constructorType, TSymbolTable& symbolTable, TType t, bool singleConstantParam)
+{
+ if (root == 0)
+ return false;
+
+ TConstTraverser it(unionArray, singleConstantParam, constructorType, infoSink, symbolTable, t);
+
+ root->traverse(&it);
+ if (it.error)
+ return true;
+ else
+ return false;
+}
diff --git a/src/GLES2/compiler/preprocessor/Diagnostics.cpp b/src/GLES2/compiler/preprocessor/Diagnostics.cpp
new file mode 100644
index 0000000..06d1d80
--- /dev/null
+++ b/src/GLES2/compiler/preprocessor/Diagnostics.cpp
@@ -0,0 +1,127 @@
+//
+// Copyright (c) 2012 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+#include "Diagnostics.h"
+
+#include <cassert>
+
+namespace pp
+{
+
+Diagnostics::~Diagnostics()
+{
+}
+
+void Diagnostics::report(ID id,
+ const SourceLocation& loc,
+ const std::string& text)
+{
+ // TODO(alokp): Keep a count of errors and warnings.
+ print(id, loc, text);
+}
+
+Diagnostics::Severity Diagnostics::severity(ID id)
+{
+ if ((id > ERROR_BEGIN) && (id < ERROR_END))
+ return PP_ERROR;
+
+ if ((id > WARNING_BEGIN) && (id < WARNING_END))
+ return PP_WARNING;
+
+ assert(false);
+ return PP_ERROR;
+}
+
+std::string Diagnostics::message(ID id)
+{
+ switch (id)
+ {
+ // Errors begin.
+ case INTERNAL_ERROR:
+ return "internal error";
+ case OUT_OF_MEMORY:
+ return "out of memory";
+ case INVALID_CHARACTER:
+ return "invalid character";
+ case INVALID_NUMBER:
+ return "invalid number";
+ case INTEGER_OVERFLOW:
+ return "integer overflow";
+ case FLOAT_OVERFLOW:
+ return "float overflow";
+ case TOKEN_TOO_LONG:
+ return "token too long";
+ case INVALID_EXPRESSION:
+ return "invalid expression";
+ case DIVISION_BY_ZERO:
+ return "division by zero";
+ case EOF_IN_COMMENT:
+ return "unexpected end of file found in comment";
+ case UNEXPECTED_TOKEN:
+ return "unexpected token";
+ case DIRECTIVE_INVALID_NAME:
+ return "invalid directive name";
+ case MACRO_NAME_RESERVED:
+ return "macro name is reserved";
+ case MACRO_REDEFINED:
+ return "macro redefined";
+ case MACRO_PREDEFINED_REDEFINED:
+ return "predefined macro redefined";
+ case MACRO_PREDEFINED_UNDEFINED:
+ return "predefined macro undefined";
+ case MACRO_UNTERMINATED_INVOCATION:
+ return "unterminated macro invocation";
+ case MACRO_TOO_FEW_ARGS:
+ return "Not enough arguments for macro";
+ case MACRO_TOO_MANY_ARGS:
+ return "Too many arguments for macro";
+ case CONDITIONAL_ENDIF_WITHOUT_IF:
+ return "unexpected #endif found without a matching #if";
+ case CONDITIONAL_ELSE_WITHOUT_IF:
+ return "unexpected #else found without a matching #if";
+ case CONDITIONAL_ELSE_AFTER_ELSE:
+ return "unexpected #else found after another #else";
+ case CONDITIONAL_ELIF_WITHOUT_IF:
+ return "unexpected #elif found without a matching #if";
+ case CONDITIONAL_ELIF_AFTER_ELSE:
+ return "unexpected #elif found after #else";
+ case CONDITIONAL_UNTERMINATED:
+ return "unexpected end of file found in conditional block";
+ case INVALID_EXTENSION_NAME:
+ return "invalid extension name";
+ case INVALID_EXTENSION_BEHAVIOR:
+ return "invalid extension behavior";
+ case INVALID_EXTENSION_DIRECTIVE:
+ return "invalid extension directive";
+ case INVALID_VERSION_NUMBER:
+ return "invalid version number";
+ case INVALID_VERSION_DIRECTIVE:
+ return "invalid version directive";
+ case VERSION_NOT_FIRST_STATEMENT:
+ return "#version directive must occur before anything else, "
+ "except for comments and white space";
+ case INVALID_LINE_NUMBER:
+ return "invalid line number";
+ case INVALID_FILE_NUMBER:
+ return "invalid file number";
+ case INVALID_LINE_DIRECTIVE:
+ return "invalid line directive";
+ // Errors end.
+ // Warnings begin.
+ case EOF_IN_DIRECTIVE:
+ return "unexpected end of file found in directive";
+ case CONDITIONAL_UNEXPECTED_TOKEN:
+ return "unexpected token after conditional expression";
+ case UNRECOGNIZED_PRAGMA:
+ return "unrecognized pragma";
+ // Warnings end.
+ default:
+ assert(false);
+ return "";
+ }
+}
+
+} // namespace pp
diff --git a/src/GLES2/compiler/preprocessor/Diagnostics.h b/src/GLES2/compiler/preprocessor/Diagnostics.h
new file mode 100644
index 0000000..4db9c30
--- /dev/null
+++ b/src/GLES2/compiler/preprocessor/Diagnostics.h
@@ -0,0 +1,87 @@
+//
+// Copyright (c) 2012 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+#ifndef COMPILER_PREPROCESSOR_DIAGNOSTICS_H_
+#define COMPILER_PREPROCESSOR_DIAGNOSTICS_H_
+
+#include <string>
+
+namespace pp
+{
+
+struct SourceLocation;
+
+// Base class for reporting diagnostic messages.
+// Derived classes are responsible for formatting and printing the messages.
+class Diagnostics
+{
+ public:
+ enum Severity
+ {
+ PP_ERROR,
+ PP_WARNING
+ };
+ enum ID
+ {
+ ERROR_BEGIN,
+ INTERNAL_ERROR,
+ OUT_OF_MEMORY,
+ INVALID_CHARACTER,
+ INVALID_NUMBER,
+ INTEGER_OVERFLOW,
+ FLOAT_OVERFLOW,
+ TOKEN_TOO_LONG,
+ INVALID_EXPRESSION,
+ DIVISION_BY_ZERO,
+ EOF_IN_COMMENT,
+ UNEXPECTED_TOKEN,
+ DIRECTIVE_INVALID_NAME,
+ MACRO_NAME_RESERVED,
+ MACRO_REDEFINED,
+ MACRO_PREDEFINED_REDEFINED,
+ MACRO_PREDEFINED_UNDEFINED,
+ MACRO_UNTERMINATED_INVOCATION,
+ MACRO_TOO_FEW_ARGS,
+ MACRO_TOO_MANY_ARGS,
+ CONDITIONAL_ENDIF_WITHOUT_IF,
+ CONDITIONAL_ELSE_WITHOUT_IF,
+ CONDITIONAL_ELSE_AFTER_ELSE,
+ CONDITIONAL_ELIF_WITHOUT_IF,
+ CONDITIONAL_ELIF_AFTER_ELSE,
+ CONDITIONAL_UNTERMINATED,
+ INVALID_EXTENSION_NAME,
+ INVALID_EXTENSION_BEHAVIOR,
+ INVALID_EXTENSION_DIRECTIVE,
+ INVALID_VERSION_NUMBER,
+ INVALID_VERSION_DIRECTIVE,
+ VERSION_NOT_FIRST_STATEMENT,
+ INVALID_LINE_NUMBER,
+ INVALID_FILE_NUMBER,
+ INVALID_LINE_DIRECTIVE,
+ ERROR_END,
+
+ WARNING_BEGIN,
+ EOF_IN_DIRECTIVE,
+ CONDITIONAL_UNEXPECTED_TOKEN,
+ UNRECOGNIZED_PRAGMA,
+ WARNING_END
+ };
+
+ virtual ~Diagnostics();
+
+ void report(ID id, const SourceLocation& loc, const std::string& text);
+
+ protected:
+ Severity severity(ID id);
+ std::string message(ID id);
+
+ virtual void print(ID id,
+ const SourceLocation& loc,
+ const std::string& text) = 0;
+};
+
+} // namespace pp
+#endif // COMPILER_PREPROCESSOR_DIAGNOSTICS_H_
diff --git a/src/GLES2/compiler/preprocessor/DirectiveHandler.cpp b/src/GLES2/compiler/preprocessor/DirectiveHandler.cpp
new file mode 100644
index 0000000..d67bee3
--- /dev/null
+++ b/src/GLES2/compiler/preprocessor/DirectiveHandler.cpp
@@ -0,0 +1,16 @@
+//
+// Copyright (c) 2012 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+#include "DirectiveHandler.h"
+
+namespace pp
+{
+
+DirectiveHandler::~DirectiveHandler()
+{
+}
+
+} // namespace pp
diff --git a/src/GLES2/compiler/preprocessor/DirectiveHandler.h b/src/GLES2/compiler/preprocessor/DirectiveHandler.h
new file mode 100644
index 0000000..572b897
--- /dev/null
+++ b/src/GLES2/compiler/preprocessor/DirectiveHandler.h
@@ -0,0 +1,43 @@
+//
+// Copyright (c) 2012 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+#ifndef COMPILER_PREPROCESSOR_DIRECTIVE_HANDLER_H_
+#define COMPILER_PREPROCESSOR_DIRECTIVE_HANDLER_H_
+
+#include <string>
+
+namespace pp
+{
+
+struct SourceLocation;
+
+// Base class for handling directives.
+// Preprocessor uses this class to notify the clients about certain
+// preprocessor directives. Derived classes are responsible for
+// handling them in an appropriate manner.
+class DirectiveHandler
+{
+ public:
+ virtual ~DirectiveHandler();
+
+ virtual void handleError(const SourceLocation& loc,
+ const std::string& msg) = 0;
+
+ // Handle pragma of form: #pragma name[(value)]
+ virtual void handlePragma(const SourceLocation& loc,
+ const std::string& name,
+ const std::string& value) = 0;
+
+ virtual void handleExtension(const SourceLocation& loc,
+ const std::string& name,
+ const std::string& behavior) = 0;
+
+ virtual void handleVersion(const SourceLocation& loc,
+ int version) = 0;
+};
+
+} // namespace pp
+#endif // COMPILER_PREPROCESSOR_DIRECTIVE_HANDLER_H_
diff --git a/src/GLES2/compiler/preprocessor/DirectiveParser.cpp b/src/GLES2/compiler/preprocessor/DirectiveParser.cpp
new file mode 100644
index 0000000..0038469
--- /dev/null
+++ b/src/GLES2/compiler/preprocessor/DirectiveParser.cpp
@@ -0,0 +1,932 @@
+//
+// Copyright (c) 2011 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+#include "DirectiveParser.h"
+
+#include <cassert>
+#include <cstdlib>
+#include <sstream>
+
+#include "Diagnostics.h"
+#include "DirectiveHandler.h"
+#include "ExpressionParser.h"
+#include "MacroExpander.h"
+#include "Token.h"
+#include "Tokenizer.h"
+
+namespace {
+enum DirectiveType
+{
+ DIRECTIVE_NONE,
+ DIRECTIVE_DEFINE,
+ DIRECTIVE_UNDEF,
+ DIRECTIVE_IF,
+ DIRECTIVE_IFDEF,
+ DIRECTIVE_IFNDEF,
+ DIRECTIVE_ELSE,
+ DIRECTIVE_ELIF,
+ DIRECTIVE_ENDIF,
+ DIRECTIVE_ERROR,
+ DIRECTIVE_PRAGMA,
+ DIRECTIVE_EXTENSION,
+ DIRECTIVE_VERSION,
+ DIRECTIVE_LINE
+};
+} // namespace
+
+static DirectiveType getDirective(const pp::Token* token)
+{
+ static const std::string kDirectiveDefine("define");
+ static const std::string kDirectiveUndef("undef");
+ static const std::string kDirectiveIf("if");
+ static const std::string kDirectiveIfdef("ifdef");
+ static const std::string kDirectiveIfndef("ifndef");
+ static const std::string kDirectiveElse("else");
+ static const std::string kDirectiveElif("elif");
+ static const std::string kDirectiveEndif("endif");
+ static const std::string kDirectiveError("error");
+ static const std::string kDirectivePragma("pragma");
+ static const std::string kDirectiveExtension("extension");
+ static const std::string kDirectiveVersion("version");
+ static const std::string kDirectiveLine("line");
+
+ if (token->type != pp::Token::IDENTIFIER)
+ return DIRECTIVE_NONE;
+
+ if (token->text == kDirectiveDefine)
+ return DIRECTIVE_DEFINE;
+ else if (token->text == kDirectiveUndef)
+ return DIRECTIVE_UNDEF;
+ else if (token->text == kDirectiveIf)
+ return DIRECTIVE_IF;
+ else if (token->text == kDirectiveIfdef)
+ return DIRECTIVE_IFDEF;
+ else if (token->text == kDirectiveIfndef)
+ return DIRECTIVE_IFNDEF;
+ else if (token->text == kDirectiveElse)
+ return DIRECTIVE_ELSE;
+ else if (token->text == kDirectiveElif)
+ return DIRECTIVE_ELIF;
+ else if (token->text == kDirectiveEndif)
+ return DIRECTIVE_ENDIF;
+ else if (token->text == kDirectiveError)
+ return DIRECTIVE_ERROR;
+ else if (token->text == kDirectivePragma)
+ return DIRECTIVE_PRAGMA;
+ else if (token->text == kDirectiveExtension)
+ return DIRECTIVE_EXTENSION;
+ else if (token->text == kDirectiveVersion)
+ return DIRECTIVE_VERSION;
+ else if (token->text == kDirectiveLine)
+ return DIRECTIVE_LINE;
+
+ return DIRECTIVE_NONE;
+}
+
+static bool isConditionalDirective(DirectiveType directive)
+{
+ switch (directive)
+ {
+ case DIRECTIVE_IF:
+ case DIRECTIVE_IFDEF:
+ case DIRECTIVE_IFNDEF:
+ case DIRECTIVE_ELSE:
+ case DIRECTIVE_ELIF:
+ case DIRECTIVE_ENDIF:
+ return true;
+ default:
+ return false;
+ }
+}
+
+// Returns true if the token represents End Of Directive.
+static bool isEOD(const pp::Token* token)
+{
+ return (token->type == '\n') || (token->type == pp::Token::LAST);
+}
+
+static void skipUntilEOD(pp::Lexer* lexer, pp::Token* token)
+{
+ while(!isEOD(token))
+ {
+ lexer->lex(token);
+ }
+}
+
+static bool isMacroNameReserved(const std::string& name)
+{
+ // Names prefixed with "GL_" are reserved.
+ if (name.substr(0, 3) == "GL_")
+ return true;
+
+ // Names containing two consecutive underscores are reserved.
+ if (name.find("__") != std::string::npos)
+ return true;
+
+ return false;
+}
+
+static bool isMacroPredefined(const std::string& name,
+ const pp::MacroSet& macroSet)
+{
+ pp::MacroSet::const_iterator iter = macroSet.find(name);
+ return iter != macroSet.end() ? iter->second.predefined : false;
+}
+
+namespace pp
+{
+
+class DefinedParser : public Lexer
+{
+ public:
+ DefinedParser(Lexer* lexer,
+ const MacroSet* macroSet,
+ Diagnostics* diagnostics) :
+ mLexer(lexer),
+ mMacroSet(macroSet),
+ mDiagnostics(diagnostics)
+ {
+ }
+
+ protected:
+ virtual void lex(Token* token)
+ {
+ static const std::string kDefined("defined");
+
+ mLexer->lex(token);
+ if (token->type != Token::IDENTIFIER)
+ return;
+ if (token->text != kDefined)
+ return;
+
+ bool paren = false;
+ mLexer->lex(token);
+ if (token->type == '(')
+ {
+ paren = true;
+ mLexer->lex(token);
+ }
+
+ if (token->type != Token::IDENTIFIER)
+ {
+ mDiagnostics->report(Diagnostics::UNEXPECTED_TOKEN,
+ token->location, token->text);
+ skipUntilEOD(mLexer, token);
+ return;
+ }
+ MacroSet::const_iterator iter = mMacroSet->find(token->text);
+ std::string expression = iter != mMacroSet->end() ? "1" : "0";
+
+ if (paren)
+ {
+ mLexer->lex(token);
+ if (token->type != ')')
+ {
+ mDiagnostics->report(Diagnostics::UNEXPECTED_TOKEN,
+ token->location, token->text);
+ skipUntilEOD(mLexer, token);
+ return;
+ }
+ }
+
+ // We have a valid defined operator.
+ // Convert the current token into a CONST_INT token.
+ token->type = Token::CONST_INT;
+ token->text = expression;
+ }
+
+ private:
+ Lexer* mLexer;
+ const MacroSet* mMacroSet;
+ Diagnostics* mDiagnostics;
+};
+
+DirectiveParser::DirectiveParser(Tokenizer* tokenizer,
+ MacroSet* macroSet,
+ Diagnostics* diagnostics,
+ DirectiveHandler* directiveHandler) :
+ mPastFirstStatement(false),
+ mTokenizer(tokenizer),
+ mMacroSet(macroSet),
+ mDiagnostics(diagnostics),
+ mDirectiveHandler(directiveHandler)
+{
+}
+
+void DirectiveParser::lex(Token* token)
+{
+ do
+ {
+ mTokenizer->lex(token);
+
+ if (token->type == Token::PP_HASH)
+ {
+ parseDirective(token);
+ mPastFirstStatement = true;
+ }
+
+ if (token->type == Token::LAST)
+ {
+ if (!mConditionalStack.empty())
+ {
+ const ConditionalBlock& block = mConditionalStack.back();
+ mDiagnostics->report(Diagnostics::CONDITIONAL_UNTERMINATED,
+ block.location, block.type);
+ }
+ break;
+ }
+
+ } while (skipping() || (token->type == '\n'));
+
+ mPastFirstStatement = true;
+}
+
+void DirectiveParser::parseDirective(Token* token)
+{
+ assert(token->type == Token::PP_HASH);
+
+ mTokenizer->lex(token);
+ if (isEOD(token))
+ {
+ // Empty Directive.
+ return;
+ }
+
+ DirectiveType directive = getDirective(token);
+
+ // While in an excluded conditional block/group,
+ // we only parse conditional directives.
+ if (skipping() && !isConditionalDirective(directive))
+ {
+ skipUntilEOD(mTokenizer, token);
+ return;
+ }
+
+ switch(directive)
+ {
+ case DIRECTIVE_NONE:
+ mDiagnostics->report(Diagnostics::DIRECTIVE_INVALID_NAME,
+ token->location, token->text);
+ skipUntilEOD(mTokenizer, token);
+ break;
+ case DIRECTIVE_DEFINE:
+ parseDefine(token);
+ break;
+ case DIRECTIVE_UNDEF:
+ parseUndef(token);
+ break;
+ case DIRECTIVE_IF:
+ parseIf(token);
+ break;
+ case DIRECTIVE_IFDEF:
+ parseIfdef(token);
+ break;
+ case DIRECTIVE_IFNDEF:
+ parseIfndef(token);
+ break;
+ case DIRECTIVE_ELSE:
+ parseElse(token);
+ break;
+ case DIRECTIVE_ELIF:
+ parseElif(token);
+ break;
+ case DIRECTIVE_ENDIF:
+ parseEndif(token);
+ break;
+ case DIRECTIVE_ERROR:
+ parseError(token);
+ break;
+ case DIRECTIVE_PRAGMA:
+ parsePragma(token);
+ break;
+ case DIRECTIVE_EXTENSION:
+ parseExtension(token);
+ break;
+ case DIRECTIVE_VERSION:
+ parseVersion(token);
+ break;
+ case DIRECTIVE_LINE:
+ parseLine(token);
+ break;
+ default:
+ assert(false);
+ break;
+ }
+
+ skipUntilEOD(mTokenizer, token);
+ if (token->type == Token::LAST)
+ {
+ mDiagnostics->report(Diagnostics::EOF_IN_DIRECTIVE,
+ token->location, token->text);
+ }
+}
+
+void DirectiveParser::parseDefine(Token* token)
+{
+ assert(getDirective(token) == DIRECTIVE_DEFINE);
+
+ mTokenizer->lex(token);
+ if (token->type != Token::IDENTIFIER)
+ {
+ mDiagnostics->report(Diagnostics::UNEXPECTED_TOKEN,
+ token->location, token->text);
+ return;
+ }
+ if (isMacroPredefined(token->text, *mMacroSet))
+ {
+ mDiagnostics->report(Diagnostics::MACRO_PREDEFINED_REDEFINED,
+ token->location, token->text);
+ return;
+ }
+ if (isMacroNameReserved(token->text))
+ {
+ mDiagnostics->report(Diagnostics::MACRO_NAME_RESERVED,
+ token->location, token->text);
+ return;
+ }
+
+ Macro macro;
+ macro.type = Macro::kTypeObj;
+ macro.name = token->text;
+
+ mTokenizer->lex(token);
+ if (token->type == '(' && !token->hasLeadingSpace())
+ {
+ // Function-like macro. Collect arguments.
+ macro.type = Macro::kTypeFunc;
+ do {
+ mTokenizer->lex(token);
+ if (token->type != Token::IDENTIFIER)
+ break;
+ macro.parameters.push_back(token->text);
+
+ mTokenizer->lex(token); // Get ','.
+ } while (token->type == ',');
+
+ if (token->type != ')')
+ {
+ mDiagnostics->report(Diagnostics::UNEXPECTED_TOKEN,
+ token->location,
+ token->text);
+ return;
+ }
+ mTokenizer->lex(token); // Get ')'.
+ }
+
+ while ((token->type != '\n') && (token->type != Token::LAST))
+ {
+ // Reset the token location because it is unnecessary in replacement
+ // list. Resetting it also allows us to reuse Token::equals() to
+ // compare macros.
+ token->location = SourceLocation();
+ macro.replacements.push_back(*token);
+ mTokenizer->lex(token);
+ }
+ if (!macro.replacements.empty())
+ {
+ // Whitespace preceding the replacement list is not considered part of
+ // the replacement list for either form of macro.
+ macro.replacements.front().setHasLeadingSpace(false);
+ }
+
+ // Check for macro redefinition.
+ MacroSet::const_iterator iter = mMacroSet->find(macro.name);
+ if (iter != mMacroSet->end() && !macro.equals(iter->second))
+ {
+ mDiagnostics->report(Diagnostics::MACRO_REDEFINED,
+ token->location,
+ macro.name);
+ return;
+ }
+ mMacroSet->insert(std::make_pair(macro.name, macro));
+}
+
+void DirectiveParser::parseUndef(Token* token)
+{
+ assert(getDirective(token) == DIRECTIVE_UNDEF);
+
+ mTokenizer->lex(token);
+ if (token->type != Token::IDENTIFIER)
+ {
+ mDiagnostics->report(Diagnostics::UNEXPECTED_TOKEN,
+ token->location, token->text);
+ return;
+ }
+
+ MacroSet::iterator iter = mMacroSet->find(token->text);
+ if (iter != mMacroSet->end())
+ {
+ if (iter->second.predefined)
+ {
+ mDiagnostics->report(Diagnostics::MACRO_PREDEFINED_UNDEFINED,
+ token->location, token->text);
+ }
+ else
+ {
+ mMacroSet->erase(iter);
+ }
+ }
+
+ mTokenizer->lex(token);
+}
+
+void DirectiveParser::parseIf(Token* token)
+{
+ assert(getDirective(token) == DIRECTIVE_IF);
+ parseConditionalIf(token);
+}
+
+void DirectiveParser::parseIfdef(Token* token)
+{
+ assert(getDirective(token) == DIRECTIVE_IFDEF);
+ parseConditionalIf(token);
+}
+
+void DirectiveParser::parseIfndef(Token* token)
+{
+ assert(getDirective(token) == DIRECTIVE_IFNDEF);
+ parseConditionalIf(token);
+}
+
+void DirectiveParser::parseElse(Token* token)
+{
+ assert(getDirective(token) == DIRECTIVE_ELSE);
+
+ if (mConditionalStack.empty())
+ {
+ mDiagnostics->report(Diagnostics::CONDITIONAL_ELSE_WITHOUT_IF,
+ token->location, token->text);
+ skipUntilEOD(mTokenizer, token);
+ return;
+ }
+
+ ConditionalBlock& block = mConditionalStack.back();
+ if (block.skipBlock)
+ {
+ // No diagnostics. Just skip the whole line.
+ skipUntilEOD(mTokenizer, token);
+ return;
+ }
+ if (block.foundElseGroup)
+ {
+ mDiagnostics->report(Diagnostics::CONDITIONAL_ELSE_AFTER_ELSE,
+ token->location, token->text);
+ skipUntilEOD(mTokenizer, token);
+ return;
+ }
+
+ block.foundElseGroup = true;
+ block.skipGroup = block.foundValidGroup;
+ block.foundValidGroup = true;
+
+ // Warn if there are extra tokens after #else.
+ mTokenizer->lex(token);
+ if (!isEOD(token))
+ {
+ mDiagnostics->report(Diagnostics::CONDITIONAL_UNEXPECTED_TOKEN,
+ token->location, token->text);
+ skipUntilEOD(mTokenizer, token);
+ }
+}
+
+void DirectiveParser::parseElif(Token* token)
+{
+ assert(getDirective(token) == DIRECTIVE_ELIF);
+
+ if (mConditionalStack.empty())
+ {
+ mDiagnostics->report(Diagnostics::CONDITIONAL_ELIF_WITHOUT_IF,
+ token->location, token->text);
+ skipUntilEOD(mTokenizer, token);
+ return;
+ }
+
+ ConditionalBlock& block = mConditionalStack.back();
+ if (block.skipBlock)
+ {
+ // No diagnostics. Just skip the whole line.
+ skipUntilEOD(mTokenizer, token);
+ return;
+ }
+ if (block.foundElseGroup)
+ {
+ mDiagnostics->report(Diagnostics::CONDITIONAL_ELIF_AFTER_ELSE,
+ token->location, token->text);
+ skipUntilEOD(mTokenizer, token);
+ return;
+ }
+ if (block.foundValidGroup)
+ {
+ // Do not parse the expression.
+ // Also be careful not to emit a diagnostic.
+ block.skipGroup = true;
+ skipUntilEOD(mTokenizer, token);
+ return;
+ }
+
+ int expression = parseExpressionIf(token);
+ block.skipGroup = expression == 0;
+ block.foundValidGroup = expression != 0;
+}
+
+void DirectiveParser::parseEndif(Token* token)
+{
+ assert(getDirective(token) == DIRECTIVE_ENDIF);
+
+ if (mConditionalStack.empty())
+ {
+ mDiagnostics->report(Diagnostics::CONDITIONAL_ENDIF_WITHOUT_IF,
+ token->location, token->text);
+ skipUntilEOD(mTokenizer, token);
+ return;
+ }
+
+ mConditionalStack.pop_back();
+
+ // Warn if there are tokens after #endif.
+ mTokenizer->lex(token);
+ if (!isEOD(token))
+ {
+ mDiagnostics->report(Diagnostics::CONDITIONAL_UNEXPECTED_TOKEN,
+ token->location, token->text);
+ skipUntilEOD(mTokenizer, token);
+ }
+}
+
+void DirectiveParser::parseError(Token* token)
+{
+ assert(getDirective(token) == DIRECTIVE_ERROR);
+
+ std::ostringstream stream;
+ mTokenizer->lex(token);
+ while ((token->type != '\n') && (token->type != Token::LAST))
+ {
+ stream << *token;
+ mTokenizer->lex(token);
+ }
+ mDirectiveHandler->handleError(token->location, stream.str());
+}
+
+// Parses pragma of form: #pragma name[(value)].
+void DirectiveParser::parsePragma(Token* token)
+{
+ assert(getDirective(token) == DIRECTIVE_PRAGMA);
+
+ enum State
+ {
+ PRAGMA_NAME,
+ LEFT_PAREN,
+ PRAGMA_VALUE,
+ RIGHT_PAREN
+ };
+
+ bool valid = true;
+ std::string name, value;
+ int state = PRAGMA_NAME;
+
+ mTokenizer->lex(token);
+ while ((token->type != '\n') && (token->type != Token::LAST))
+ {
+ switch(state++)
+ {
+ case PRAGMA_NAME:
+ name = token->text;
+ valid = valid && (token->type == Token::IDENTIFIER);
+ break;
+ case LEFT_PAREN:
+ valid = valid && (token->type == '(');
+ break;
+ case PRAGMA_VALUE:
+ value = token->text;
+ valid = valid && (token->type == Token::IDENTIFIER);
+ break;
+ case RIGHT_PAREN:
+ valid = valid && (token->type == ')');
+ break;
+ default:
+ valid = false;
+ break;
+ }
+ mTokenizer->lex(token);
+ }
+
+ valid = valid && ((state == PRAGMA_NAME) || // Empty pragma.
+ (state == LEFT_PAREN) || // Without value.
+ (state == RIGHT_PAREN + 1)); // With value.
+ if (!valid)
+ {
+ mDiagnostics->report(Diagnostics::UNRECOGNIZED_PRAGMA,
+ token->location, name);
+ }
+ else if (state > PRAGMA_NAME) // Do not notify for empty pragma.
+ {
+ mDirectiveHandler->handlePragma(token->location, name, value);
+ }
+}
+
+void DirectiveParser::parseExtension(Token* token)
+{
+ assert(getDirective(token) == DIRECTIVE_EXTENSION);
+
+ enum State
+ {
+ EXT_NAME,
+ COLON,
+ EXT_BEHAVIOR
+ };
+
+ bool valid = true;
+ std::string name, behavior;
+ int state = EXT_NAME;
+
+ mTokenizer->lex(token);
+ while ((token->type != '\n') && (token->type != Token::LAST))
+ {
+ switch (state++)
+ {
+ case EXT_NAME:
+ if (valid && (token->type != Token::IDENTIFIER))
+ {
+ mDiagnostics->report(Diagnostics::INVALID_EXTENSION_NAME,
+ token->location, token->text);
+ valid = false;
+ }
+ if (valid) name = token->text;
+ break;
+ case COLON:
+ if (valid && (token->type != ':'))
+ {
+ mDiagnostics->report(Diagnostics::UNEXPECTED_TOKEN,
+ token->location, token->text);
+ valid = false;
+ }
+ break;
+ case EXT_BEHAVIOR:
+ if (valid && (token->type != Token::IDENTIFIER))
+ {
+ mDiagnostics->report(Diagnostics::INVALID_EXTENSION_BEHAVIOR,
+ token->location, token->text);
+ valid = false;
+ }
+ if (valid) behavior = token->text;
+ break;
+ default:
+ if (valid)
+ {
+ mDiagnostics->report(Diagnostics::UNEXPECTED_TOKEN,
+ token->location, token->text);
+ valid = false;
+ }
+ break;
+ }
+ mTokenizer->lex(token);
+ }
+ if (valid && (state != EXT_BEHAVIOR + 1))
+ {
+ mDiagnostics->report(Diagnostics::INVALID_EXTENSION_DIRECTIVE,
+ token->location, token->text);
+ valid = false;
+ }
+ if (valid)
+ mDirectiveHandler->handleExtension(token->location, name, behavior);
+}
+
+void DirectiveParser::parseVersion(Token* token)
+{
+ assert(getDirective(token) == DIRECTIVE_VERSION);
+
+ if (mPastFirstStatement)
+ {
+ mDiagnostics->report(Diagnostics::VERSION_NOT_FIRST_STATEMENT,
+ token->location, token->text);
+ skipUntilEOD(mTokenizer, token);
+ return;
+ }
+
+ enum State
+ {
+ VERSION_NUMBER
+ };
+
+ bool valid = true;
+ int version = 0;
+ int state = VERSION_NUMBER;
+
+ mTokenizer->lex(token);
+ while ((token->type != '\n') && (token->type != Token::LAST))
+ {
+ switch (state++)
+ {
+ case VERSION_NUMBER:
+ if (valid && (token->type != Token::CONST_INT))
+ {
+ mDiagnostics->report(Diagnostics::INVALID_VERSION_NUMBER,
+ token->location, token->text);
+ valid = false;
+ }
+ if (valid && !token->iValue(&version))
+ {
+ mDiagnostics->report(Diagnostics::INTEGER_OVERFLOW,
+ token->location, token->text);
+ valid = false;
+ }
+ break;
+ default:
+ if (valid)
+ {
+ mDiagnostics->report(Diagnostics::UNEXPECTED_TOKEN,
+ token->location, token->text);
+ valid = false;
+ }
+ break;
+ }
+ mTokenizer->lex(token);
+ }
+ if (valid && (state != VERSION_NUMBER + 1))
+ {
+ mDiagnostics->report(Diagnostics::INVALID_VERSION_DIRECTIVE,
+ token->location, token->text);
+ valid = false;
+ }
+ if (valid)
+ mDirectiveHandler->handleVersion(token->location, version);
+}
+
+void DirectiveParser::parseLine(Token* token)
+{
+ assert(getDirective(token) == DIRECTIVE_LINE);
+
+ enum State
+ {
+ LINE_NUMBER,
+ FILE_NUMBER
+ };
+
+ bool valid = true;
+ int line = 0, file = 0;
+ int state = LINE_NUMBER;
+
+ MacroExpander macroExpander(mTokenizer, mMacroSet, mDiagnostics);
+ macroExpander.lex(token);
+ while ((token->type != '\n') && (token->type != Token::LAST))
+ {
+ switch (state++)
+ {
+ case LINE_NUMBER:
+ if (valid && (token->type != Token::CONST_INT))
+ {
+ mDiagnostics->report(Diagnostics::INVALID_LINE_NUMBER,
+ token->location, token->text);
+ valid = false;
+ }
+ if (valid && !token->iValue(&line))
+ {
+ mDiagnostics->report(Diagnostics::INTEGER_OVERFLOW,
+ token->location, token->text);
+ valid = false;
+ }
+ break;
+ case FILE_NUMBER:
+ if (valid && (token->type != Token::CONST_INT))
+ {
+ mDiagnostics->report(Diagnostics::INVALID_FILE_NUMBER,
+ token->location, token->text);
+ valid = false;
+ }
+ if (valid && !token->iValue(&file))
+ {
+ mDiagnostics->report(Diagnostics::INTEGER_OVERFLOW,
+ token->location, token->text);
+ valid = false;
+ }
+ break;
+ default:
+ if (valid)
+ {
+ mDiagnostics->report(Diagnostics::UNEXPECTED_TOKEN,
+ token->location, token->text);
+ valid = false;
+ }
+ break;
+ }
+ macroExpander.lex(token);
+ }
+
+ if (valid && (state != FILE_NUMBER) && (state != FILE_NUMBER + 1))
+ {
+ mDiagnostics->report(Diagnostics::INVALID_LINE_DIRECTIVE,
+ token->location, token->text);
+ valid = false;
+ }
+ if (valid)
+ {
+ mTokenizer->setLineNumber(line);
+ if (state == FILE_NUMBER + 1) mTokenizer->setFileNumber(file);
+ }
+}
+
+bool DirectiveParser::skipping() const
+{
+ if (mConditionalStack.empty()) return false;
+
+ const ConditionalBlock& block = mConditionalStack.back();
+ return block.skipBlock || block.skipGroup;
+}
+
+void DirectiveParser::parseConditionalIf(Token* token)
+{
+ ConditionalBlock block;
+ block.type = token->text;
+ block.location = token->location;
+
+ if (skipping())
+ {
+ // This conditional block is inside another conditional group
+ // which is skipped. As a consequence this whole block is skipped.
+ // Be careful not to parse the conditional expression that might
+ // emit a diagnostic.
+ skipUntilEOD(mTokenizer, token);
+ block.skipBlock = true;
+ }
+ else
+ {
+ DirectiveType directive = getDirective(token);
+
+ int expression = 0;
+ switch (directive)
+ {
+ case DIRECTIVE_IF:
+ expression = parseExpressionIf(token);
+ break;
+ case DIRECTIVE_IFDEF:
+ expression = parseExpressionIfdef(token);
+ break;
+ case DIRECTIVE_IFNDEF:
+ expression = parseExpressionIfdef(token) == 0 ? 1 : 0;
+ break;
+ default:
+ assert(false);
+ break;
+ }
+ block.skipGroup = expression == 0;
+ block.foundValidGroup = expression != 0;
+ }
+ mConditionalStack.push_back(block);
+}
+
+int DirectiveParser::parseExpressionIf(Token* token)
+{
+ assert((getDirective(token) == DIRECTIVE_IF) ||
+ (getDirective(token) == DIRECTIVE_ELIF));
+
+ DefinedParser definedParser(mTokenizer, mMacroSet, mDiagnostics);
+ MacroExpander macroExpander(&definedParser, mMacroSet, mDiagnostics);
+ ExpressionParser expressionParser(¯oExpander, mDiagnostics);
+
+ int expression = 0;
+ macroExpander.lex(token);
+ expressionParser.parse(token, &expression);
+
+ // Warn if there are tokens after #if expression.
+ if (!isEOD(token))
+ {
+ mDiagnostics->report(Diagnostics::CONDITIONAL_UNEXPECTED_TOKEN,
+ token->location, token->text);
+ skipUntilEOD(mTokenizer, token);
+ }
+
+ return expression;
+}
+
+int DirectiveParser::parseExpressionIfdef(Token* token)
+{
+ assert((getDirective(token) == DIRECTIVE_IFDEF) ||
+ (getDirective(token) == DIRECTIVE_IFNDEF));
+
+ mTokenizer->lex(token);
+ if (token->type != Token::IDENTIFIER)
+ {
+ mDiagnostics->report(Diagnostics::UNEXPECTED_TOKEN,
+ token->location, token->text);
+ skipUntilEOD(mTokenizer, token);
+ return 0;
+ }
+
+ MacroSet::const_iterator iter = mMacroSet->find(token->text);
+ int expression = iter != mMacroSet->end() ? 1 : 0;
+
+ // Warn if there are tokens after #ifdef expression.
+ mTokenizer->lex(token);
+ if (!isEOD(token))
+ {
+ mDiagnostics->report(Diagnostics::CONDITIONAL_UNEXPECTED_TOKEN,
+ token->location, token->text);
+ skipUntilEOD(mTokenizer, token);
+ }
+ return expression;
+}
+
+} // namespace pp
diff --git a/src/GLES2/compiler/preprocessor/DirectiveParser.h b/src/GLES2/compiler/preprocessor/DirectiveParser.h
new file mode 100644
index 0000000..7b07392
--- /dev/null
+++ b/src/GLES2/compiler/preprocessor/DirectiveParser.h
@@ -0,0 +1,82 @@
+//
+// Copyright (c) 2012 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+#ifndef COMPILER_PREPROCESSOR_DIRECTIVE_PARSER_H_
+#define COMPILER_PREPROCESSOR_DIRECTIVE_PARSER_H_
+
+#include "Lexer.h"
+#include "Macro.h"
+#include "pp_utils.h"
+#include "SourceLocation.h"
+
+namespace pp
+{
+
+class Diagnostics;
+class DirectiveHandler;
+class Tokenizer;
+
+class DirectiveParser : public Lexer
+{
+ public:
+ DirectiveParser(Tokenizer* tokenizer,
+ MacroSet* macroSet,
+ Diagnostics* diagnostics,
+ DirectiveHandler* directiveHandler);
+
+ virtual void lex(Token* token);
+
+ private:
+ PP_DISALLOW_COPY_AND_ASSIGN(DirectiveParser);
+
+ void parseDirective(Token* token);
+ void parseDefine(Token* token);
+ void parseUndef(Token* token);
+ void parseIf(Token* token);
+ void parseIfdef(Token* token);
+ void parseIfndef(Token* token);
+ void parseElse(Token* token);
+ void parseElif(Token* token);
+ void parseEndif(Token* token);
+ void parseError(Token* token);
+ void parsePragma(Token* token);
+ void parseExtension(Token* token);
+ void parseVersion(Token* token);
+ void parseLine(Token* token);
+
+ bool skipping() const;
+ void parseConditionalIf(Token* token);
+ int parseExpressionIf(Token* token);
+ int parseExpressionIfdef(Token* token);
+
+ struct ConditionalBlock
+ {
+ std::string type;
+ SourceLocation location;
+ bool skipBlock;
+ bool skipGroup;
+ bool foundValidGroup;
+ bool foundElseGroup;
+
+ ConditionalBlock() :
+ skipBlock(false),
+ skipGroup(false),
+ foundValidGroup(false),
+ foundElseGroup(false)
+ {
+ }
+ };
+ bool mPastFirstStatement;
+ std::vector<ConditionalBlock> mConditionalStack;
+ Tokenizer* mTokenizer;
+ MacroSet* mMacroSet;
+ Diagnostics* mDiagnostics;
+ DirectiveHandler* mDirectiveHandler;
+};
+
+} // namespace pp
+#endif // COMPILER_PREPROCESSOR_DIRECTIVE_PARSER_H_
+
diff --git a/src/GLES2/compiler/preprocessor/ExpressionParser.cpp b/src/GLES2/compiler/preprocessor/ExpressionParser.cpp
new file mode 100644
index 0000000..6bcae27
--- /dev/null
+++ b/src/GLES2/compiler/preprocessor/ExpressionParser.cpp
@@ -0,0 +1,1926 @@
+
+/* A Bison parser, made by GNU Bison 2.4.1. */
+
+/* Skeleton implementation for Bison's Yacc-like parsers in C
+
+ Copyright (C) 1984, 1989, 1990, 2000, 2001, 2002, 2003, 2004, 2005, 2006
+ Free Software Foundation, Inc.
+
+ This program is free software: you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation, either version 3 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program. If not, see <http://www.gnu.org/licenses/>. */
+
+/* As a special exception, you may create a larger work that contains
+ part or all of the Bison parser skeleton and distribute that work
+ under terms of your choice, so long as that work isn't itself a
+ parser generator using the skeleton or a modified version thereof
+ as a parser skeleton. Alternatively, if you modify or redistribute
+ the parser skeleton itself, you may (at your option) remove this
+ special exception, which will cause the skeleton and the resulting
+ Bison output files to be licensed under the GNU General Public
+ License without this special exception.
+
+ This special exception was added by the Free Software Foundation in
+ version 2.2 of Bison. */
+
+/* C LALR(1) parser skeleton written by Richard Stallman, by
+ simplifying the original so-called "semantic" parser. */
+
+/* All symbols defined below should begin with yy or YY, to avoid
+ infringing on user name space. This should be done even for local
+ variables, as they might otherwise be expanded by user macros.
+ There are some unavoidable exceptions within include files to
+ define necessary library symbols; they are noted "INFRINGES ON
+ USER NAME SPACE" below. */
+
+/* Identify Bison output. */
+#define YYBISON 1
+
+/* Bison version. */
+#define YYBISON_VERSION "2.4.1"
+
+/* Skeleton name. */
+#define YYSKELETON_NAME "yacc.c"
+
+/* Pure parsers. */
+#define YYPURE 1
+
+/* Push parsers. */
+#define YYPUSH 0
+
+/* Pull parsers. */
+#define YYPULL 1
+
+/* Using locations. */
+#define YYLSP_NEEDED 0
+
+/* Substitute the variable and function names. */
+#define yyparse ppparse
+#define yylex pplex
+#define yyerror pperror
+#define yylval pplval
+#define yychar ppchar
+#define yydebug ppdebug
+#define yynerrs ppnerrs
+
+
+/* Copy the first part of user declarations. */
+
+
+//
+// Copyright (c) 2012 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+// This file is auto-generated by generate_parser.sh. DO NOT EDIT!
+
+#if defined(__GNUC__)
+// Triggered by the auto-generated pplval variable.
+#pragma GCC diagnostic ignored "-Wuninitialized"
+#elif defined(_MSC_VER)
+#pragma warning(disable: 4065 4701)
+#endif
+
+#include "ExpressionParser.h"
+
+#include <cassert>
+#include <sstream>
+
+#include "Diagnostics.h"
+#include "Lexer.h"
+#include "Token.h"
+
+#if defined(_MSC_VER)
+typedef __int64 YYSTYPE;
+#else
+#include <stdint.h>
+typedef intmax_t YYSTYPE;
+#endif // _MSC_VER
+#define YYSTYPE_IS_TRIVIAL 1
+#define YYSTYPE_IS_DECLARED 1
+
+namespace {
+struct Context
+{
+ pp::Diagnostics* diagnostics;
+ pp::Lexer* lexer;
+ pp::Token* token;
+ int* result;
+};
+} // namespace
+
+
+static int yylex(YYSTYPE* lvalp, Context* context);
+static void yyerror(Context* context, const char* reason);
+
+
+
+/* Enabling traces. */
+#ifndef YYDEBUG
+# define YYDEBUG 0
+#endif
+
+/* Enabling verbose error messages. */
+#ifdef YYERROR_VERBOSE
+# undef YYERROR_VERBOSE
+# define YYERROR_VERBOSE 1
+#else
+# define YYERROR_VERBOSE 0
+#endif
+
+/* Enabling the token table. */
+#ifndef YYTOKEN_TABLE
+# define YYTOKEN_TABLE 0
+#endif
+
+
+/* Tokens. */
+#ifndef YYTOKENTYPE
+# define YYTOKENTYPE
+ /* Put the tokens into the symbol table, so that GDB and other debuggers
+ know about them. */
+ enum yytokentype {
+ TOK_CONST_INT = 258,
+ TOK_OP_OR = 259,
+ TOK_OP_AND = 260,
+ TOK_OP_NE = 261,
+ TOK_OP_EQ = 262,
+ TOK_OP_GE = 263,
+ TOK_OP_LE = 264,
+ TOK_OP_RIGHT = 265,
+ TOK_OP_LEFT = 266,
+ TOK_UNARY = 267
+ };
+#endif
+
+
+
+#if ! defined YYSTYPE && ! defined YYSTYPE_IS_DECLARED
+typedef int YYSTYPE;
+# define YYSTYPE_IS_TRIVIAL 1
+# define yystype YYSTYPE /* obsolescent; will be withdrawn */
+# define YYSTYPE_IS_DECLARED 1
+#endif
+
+
+/* Copy the second part of user declarations. */
+
+
+
+#ifdef short
+# undef short
+#endif
+
+#ifdef YYTYPE_UINT8
+typedef YYTYPE_UINT8 yytype_uint8;
+#else
+typedef unsigned char yytype_uint8;
+#endif
+
+#ifdef YYTYPE_INT8
+typedef YYTYPE_INT8 yytype_int8;
+#elif (defined __STDC__ || defined __C99__FUNC__ \
+ || defined __cplusplus || defined _MSC_VER)
+typedef signed char yytype_int8;
+#else
+typedef short int yytype_int8;
+#endif
+
+#ifdef YYTYPE_UINT16
+typedef YYTYPE_UINT16 yytype_uint16;
+#else
+typedef unsigned short int yytype_uint16;
+#endif
+
+#ifdef YYTYPE_INT16
+typedef YYTYPE_INT16 yytype_int16;
+#else
+typedef short int yytype_int16;
+#endif
+
+#ifndef YYSIZE_T
+# ifdef __SIZE_TYPE__
+# define YYSIZE_T __SIZE_TYPE__
+# elif defined size_t
+# define YYSIZE_T size_t
+# elif ! defined YYSIZE_T && (defined __STDC__ || defined __C99__FUNC__ \
+ || defined __cplusplus || defined _MSC_VER)
+# include <stddef.h> /* INFRINGES ON USER NAME SPACE */
+# define YYSIZE_T size_t
+# else
+# define YYSIZE_T unsigned int
+# endif
+#endif
+
+#define YYSIZE_MAXIMUM ((YYSIZE_T) -1)
+
+#ifndef YY_
+# if YYENABLE_NLS
+# if ENABLE_NLS
+# include <libintl.h> /* INFRINGES ON USER NAME SPACE */
+# define YY_(msgid) dgettext ("bison-runtime", msgid)
+# endif
+# endif
+# ifndef YY_
+# define YY_(msgid) msgid
+# endif
+#endif
+
+/* Suppress unused-variable warnings by "using" E. */
+#if ! defined lint || defined __GNUC__
+# define YYUSE(e) ((void) (e))
+#else
+# define YYUSE(e) /* empty */
+#endif
+
+/* Identity function, used to suppress warnings about constant conditions. */
+#ifndef lint
+# define YYID(n) (n)
+#else
+#if (defined __STDC__ || defined __C99__FUNC__ \
+ || defined __cplusplus || defined _MSC_VER)
+static int
+YYID (int yyi)
+#else
+static int
+YYID (yyi)
+ int yyi;
+#endif
+{
+ return yyi;
+}
+#endif
+
+#if ! defined yyoverflow || YYERROR_VERBOSE
+
+/* The parser invokes alloca or malloc; define the necessary symbols. */
+
+# ifdef YYSTACK_USE_ALLOCA
+# if YYSTACK_USE_ALLOCA
+# ifdef __GNUC__
+# define YYSTACK_ALLOC __builtin_alloca
+# elif defined __BUILTIN_VA_ARG_INCR
+# include <alloca.h> /* INFRINGES ON USER NAME SPACE */
+# elif defined _AIX
+# define YYSTACK_ALLOC __alloca
+# elif defined _MSC_VER
+# include <malloc.h> /* INFRINGES ON USER NAME SPACE */
+# define alloca _alloca
+# else
+# define YYSTACK_ALLOC alloca
+# if ! defined _ALLOCA_H && ! defined _STDLIB_H && (defined __STDC__ || defined __C99__FUNC__ \
+ || defined __cplusplus || defined _MSC_VER)
+# include <stdlib.h> /* INFRINGES ON USER NAME SPACE */
+# ifndef _STDLIB_H
+# define _STDLIB_H 1
+# endif
+# endif
+# endif
+# endif
+# endif
+
+# ifdef YYSTACK_ALLOC
+ /* Pacify GCC's `empty if-body' warning. */
+# define YYSTACK_FREE(Ptr) do { /* empty */; } while (YYID (0))
+# ifndef YYSTACK_ALLOC_MAXIMUM
+ /* The OS might guarantee only one guard page at the bottom of the stack,
+ and a page size can be as small as 4096 bytes. So we cannot safely
+ invoke alloca (N) if N exceeds 4096. Use a slightly smaller number
+ to allow for a few compiler-allocated temporary stack slots. */
+# define YYSTACK_ALLOC_MAXIMUM 4032 /* reasonable circa 2006 */
+# endif
+# else
+# define YYSTACK_ALLOC YYMALLOC
+# define YYSTACK_FREE YYFREE
+# ifndef YYSTACK_ALLOC_MAXIMUM
+# define YYSTACK_ALLOC_MAXIMUM YYSIZE_MAXIMUM
+# endif
+# if (defined __cplusplus && ! defined _STDLIB_H \
+ && ! ((defined YYMALLOC || defined malloc) \
+ && (defined YYFREE || defined free)))
+# include <stdlib.h> /* INFRINGES ON USER NAME SPACE */
+# ifndef _STDLIB_H
+# define _STDLIB_H 1
+# endif
+# endif
+# ifndef YYMALLOC
+# define YYMALLOC malloc
+# if ! defined malloc && ! defined _STDLIB_H && (defined __STDC__ || defined __C99__FUNC__ \
+ || defined __cplusplus || defined _MSC_VER)
+void *malloc (YYSIZE_T); /* INFRINGES ON USER NAME SPACE */
+# endif
+# endif
+# ifndef YYFREE
+# define YYFREE free
+# if ! defined free && ! defined _STDLIB_H && (defined __STDC__ || defined __C99__FUNC__ \
+ || defined __cplusplus || defined _MSC_VER)
+void free (void *); /* INFRINGES ON USER NAME SPACE */
+# endif
+# endif
+# endif
+#endif /* ! defined yyoverflow || YYERROR_VERBOSE */
+
+
+#if (! defined yyoverflow \
+ && (! defined __cplusplus \
+ || (defined YYSTYPE_IS_TRIVIAL && YYSTYPE_IS_TRIVIAL)))
+
+/* A type that is properly aligned for any stack member. */
+union yyalloc
+{
+ yytype_int16 yyss_alloc;
+ YYSTYPE yyvs_alloc;
+};
+
+/* The size of the maximum gap between one aligned stack and the next. */
+# define YYSTACK_GAP_MAXIMUM (sizeof (union yyalloc) - 1)
+
+/* The size of an array large to enough to hold all stacks, each with
+ N elements. */
+# define YYSTACK_BYTES(N) \
+ ((N) * (sizeof (yytype_int16) + sizeof (YYSTYPE)) \
+ + YYSTACK_GAP_MAXIMUM)
+
+/* Copy COUNT objects from FROM to TO. The source and destination do
+ not overlap. */
+# ifndef YYCOPY
+# if defined __GNUC__ && 1 < __GNUC__
+# define YYCOPY(To, From, Count) \
+ __builtin_memcpy (To, From, (Count) * sizeof (*(From)))
+# else
+# define YYCOPY(To, From, Count) \
+ do \
+ { \
+ YYSIZE_T yyi; \
+ for (yyi = 0; yyi < (Count); yyi++) \
+ (To)[yyi] = (From)[yyi]; \
+ } \
+ while (YYID (0))
+# endif
+# endif
+
+/* Relocate STACK from its old location to the new one. The
+ local variables YYSIZE and YYSTACKSIZE give the old and new number of
+ elements in the stack, and YYPTR gives the new location of the
+ stack. Advance YYPTR to a properly aligned location for the next
+ stack. */
+# define YYSTACK_RELOCATE(Stack_alloc, Stack) \
+ do \
+ { \
+ YYSIZE_T yynewbytes; \
+ YYCOPY (&yyptr->Stack_alloc, Stack, yysize); \
+ Stack = &yyptr->Stack_alloc; \
+ yynewbytes = yystacksize * sizeof (*Stack) + YYSTACK_GAP_MAXIMUM; \
+ yyptr += yynewbytes / sizeof (*yyptr); \
+ } \
+ while (YYID (0))
+
+#endif
+
+/* YYFINAL -- State number of the termination state. */
+#define YYFINAL 14
+/* YYLAST -- Last index in YYTABLE. */
+#define YYLAST 175
+
+/* YYNTOKENS -- Number of terminals. */
+#define YYNTOKENS 27
+/* YYNNTS -- Number of nonterminals. */
+#define YYNNTS 3
+/* YYNRULES -- Number of rules. */
+#define YYNRULES 26
+/* YYNRULES -- Number of states. */
+#define YYNSTATES 52
+
+/* YYTRANSLATE(YYLEX) -- Bison symbol number corresponding to YYLEX. */
+#define YYUNDEFTOK 2
+#define YYMAXUTOK 267
+
+#define YYTRANSLATE(YYX) \
+ ((unsigned int) (YYX) <= YYMAXUTOK ? yytranslate[YYX] : YYUNDEFTOK)
+
+/* YYTRANSLATE[YYLEX] -- Bison symbol number corresponding to YYLEX. */
+static const yytype_uint8 yytranslate[] =
+{
+ 0, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+ 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+ 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+ 2, 2, 2, 23, 2, 2, 2, 21, 8, 2,
+ 25, 26, 19, 17, 2, 18, 2, 20, 2, 2,
+ 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+ 11, 2, 12, 2, 2, 2, 2, 2, 2, 2,
+ 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+ 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+ 2, 2, 2, 2, 7, 2, 2, 2, 2, 2,
+ 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+ 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+ 2, 2, 2, 2, 6, 2, 24, 2, 2, 2,
+ 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+ 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+ 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+ 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+ 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+ 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+ 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+ 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+ 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+ 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+ 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+ 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+ 2, 2, 2, 2, 2, 2, 1, 2, 3, 4,
+ 5, 9, 10, 13, 14, 15, 16, 22
+};
+
+#if YYDEBUG
+/* YYPRHS[YYN] -- Index of the first RHS symbol of rule number YYN in
+ YYRHS. */
+static const yytype_uint8 yyprhs[] =
+{
+ 0, 0, 3, 5, 7, 11, 15, 19, 23, 27,
+ 31, 35, 39, 43, 47, 51, 55, 59, 63, 67,
+ 71, 75, 79, 82, 85, 88, 91
+};
+
+/* YYRHS -- A `-1'-separated list of the rules' RHS. */
+static const yytype_int8 yyrhs[] =
+{
+ 28, 0, -1, 29, -1, 3, -1, 29, 4, 29,
+ -1, 29, 5, 29, -1, 29, 6, 29, -1, 29,
+ 7, 29, -1, 29, 8, 29, -1, 29, 9, 29,
+ -1, 29, 10, 29, -1, 29, 13, 29, -1, 29,
+ 14, 29, -1, 29, 12, 29, -1, 29, 11, 29,
+ -1, 29, 15, 29, -1, 29, 16, 29, -1, 29,
+ 18, 29, -1, 29, 17, 29, -1, 29, 21, 29,
+ -1, 29, 20, 29, -1, 29, 19, 29, -1, 23,
+ 29, -1, 24, 29, -1, 18, 29, -1, 17, 29,
+ -1, 25, 29, 26, -1
+};
+
+/* YYRLINE[YYN] -- source line where rule number YYN was defined. */
+static const yytype_uint8 yyrline[] =
+{
+ 0, 85, 85, 92, 93, 96, 99, 102, 105, 108,
+ 111, 114, 117, 120, 123, 126, 129, 132, 135, 138,
+ 151, 164, 167, 170, 173, 176, 179
+};
+#endif
+
+#if YYDEBUG || YYERROR_VERBOSE || YYTOKEN_TABLE
+/* YYTNAME[SYMBOL-NUM] -- String name of the symbol SYMBOL-NUM.
+ First, the terminals, then, starting at YYNTOKENS, nonterminals. */
+static const char *const yytname[] =
+{
+ "$end", "error", "$undefined", "TOK_CONST_INT", "TOK_OP_OR",
+ "TOK_OP_AND", "'|'", "'^'", "'&'", "TOK_OP_NE", "TOK_OP_EQ", "'<'",
+ "'>'", "TOK_OP_GE", "TOK_OP_LE", "TOK_OP_RIGHT", "TOK_OP_LEFT", "'+'",
+ "'-'", "'*'", "'/'", "'%'", "TOK_UNARY", "'!'", "'~'", "'('", "')'",
+ "$accept", "input", "expression", 0
+};
+#endif
+
+# ifdef YYPRINT
+/* YYTOKNUM[YYLEX-NUM] -- Internal token number corresponding to
+ token YYLEX-NUM. */
+static const yytype_uint16 yytoknum[] =
+{
+ 0, 256, 257, 258, 259, 260, 124, 94, 38, 261,
+ 262, 60, 62, 263, 264, 265, 266, 43, 45, 42,
+ 47, 37, 267, 33, 126, 40, 41
+};
+# endif
+
+/* YYR1[YYN] -- Symbol number of symbol that rule YYN derives. */
+static const yytype_uint8 yyr1[] =
+{
+ 0, 27, 28, 29, 29, 29, 29, 29, 29, 29,
+ 29, 29, 29, 29, 29, 29, 29, 29, 29, 29,
+ 29, 29, 29, 29, 29, 29, 29
+};
+
+/* YYR2[YYN] -- Number of symbols composing right hand side of rule YYN. */
+static const yytype_uint8 yyr2[] =
+{
+ 0, 2, 1, 1, 3, 3, 3, 3, 3, 3,
+ 3, 3, 3, 3, 3, 3, 3, 3, 3, 3,
+ 3, 3, 2, 2, 2, 2, 3
+};
+
+/* YYDEFACT[STATE-NAME] -- Default rule to reduce with in state
+ STATE-NUM when YYTABLE doesn't specify something else to do. Zero
+ means the default is an error. */
+static const yytype_uint8 yydefact[] =
+{
+ 0, 3, 0, 0, 0, 0, 0, 0, 2, 25,
+ 24, 22, 23, 0, 1, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 26, 4, 5, 6, 7, 8, 9,
+ 10, 14, 13, 11, 12, 15, 16, 18, 17, 21,
+ 20, 19
+};
+
+/* YYDEFGOTO[NTERM-NUM]. */
+static const yytype_int8 yydefgoto[] =
+{
+ -1, 7, 8
+};
+
+/* YYPACT[STATE-NUM] -- Index in YYTABLE of the portion describing
+ STATE-NUM. */
+#define YYPACT_NINF -11
+static const yytype_int16 yypact[] =
+{
+ 46, -11, 46, 46, 46, 46, 46, 12, 68, -11,
+ -11, -11, -11, 27, -11, 46, 46, 46, 46, 46,
+ 46, 46, 46, 46, 46, 46, 46, 46, 46, 46,
+ 46, 46, 46, -11, 85, 101, 116, 130, 143, 154,
+ 154, -10, -10, -10, -10, 37, 37, 31, 31, -11,
+ -11, -11
+};
+
+/* YYPGOTO[NTERM-NUM]. */
+static const yytype_int8 yypgoto[] =
+{
+ -11, -11, -2
+};
+
+/* YYTABLE[YYPACT[STATE-NUM]]. What to do in state STATE-NUM. If
+ positive, shift that token. If negative, reduce the rule which
+ number is the opposite. If zero, do what YYDEFACT says.
+ If YYTABLE_NINF, syntax error. */
+#define YYTABLE_NINF -1
+static const yytype_uint8 yytable[] =
+{
+ 9, 10, 11, 12, 13, 26, 27, 28, 29, 30,
+ 31, 32, 14, 34, 35, 36, 37, 38, 39, 40,
+ 41, 42, 43, 44, 45, 46, 47, 48, 49, 50,
+ 51, 15, 16, 17, 18, 19, 20, 21, 22, 23,
+ 24, 25, 26, 27, 28, 29, 30, 31, 32, 1,
+ 30, 31, 32, 33, 28, 29, 30, 31, 32, 0,
+ 0, 0, 0, 2, 3, 0, 0, 0, 0, 4,
+ 5, 6, 15, 16, 17, 18, 19, 20, 21, 22,
+ 23, 24, 25, 26, 27, 28, 29, 30, 31, 32,
+ 16, 17, 18, 19, 20, 21, 22, 23, 24, 25,
+ 26, 27, 28, 29, 30, 31, 32, 17, 18, 19,
+ 20, 21, 22, 23, 24, 25, 26, 27, 28, 29,
+ 30, 31, 32, 18, 19, 20, 21, 22, 23, 24,
+ 25, 26, 27, 28, 29, 30, 31, 32, 19, 20,
+ 21, 22, 23, 24, 25, 26, 27, 28, 29, 30,
+ 31, 32, 20, 21, 22, 23, 24, 25, 26, 27,
+ 28, 29, 30, 31, 32, 22, 23, 24, 25, 26,
+ 27, 28, 29, 30, 31, 32
+};
+
+static const yytype_int8 yycheck[] =
+{
+ 2, 3, 4, 5, 6, 15, 16, 17, 18, 19,
+ 20, 21, 0, 15, 16, 17, 18, 19, 20, 21,
+ 22, 23, 24, 25, 26, 27, 28, 29, 30, 31,
+ 32, 4, 5, 6, 7, 8, 9, 10, 11, 12,
+ 13, 14, 15, 16, 17, 18, 19, 20, 21, 3,
+ 19, 20, 21, 26, 17, 18, 19, 20, 21, -1,
+ -1, -1, -1, 17, 18, -1, -1, -1, -1, 23,
+ 24, 25, 4, 5, 6, 7, 8, 9, 10, 11,
+ 12, 13, 14, 15, 16, 17, 18, 19, 20, 21,
+ 5, 6, 7, 8, 9, 10, 11, 12, 13, 14,
+ 15, 16, 17, 18, 19, 20, 21, 6, 7, 8,
+ 9, 10, 11, 12, 13, 14, 15, 16, 17, 18,
+ 19, 20, 21, 7, 8, 9, 10, 11, 12, 13,
+ 14, 15, 16, 17, 18, 19, 20, 21, 8, 9,
+ 10, 11, 12, 13, 14, 15, 16, 17, 18, 19,
+ 20, 21, 9, 10, 11, 12, 13, 14, 15, 16,
+ 17, 18, 19, 20, 21, 11, 12, 13, 14, 15,
+ 16, 17, 18, 19, 20, 21
+};
+
+/* YYSTOS[STATE-NUM] -- The (internal number of the) accessing
+ symbol of state STATE-NUM. */
+static const yytype_uint8 yystos[] =
+{
+ 0, 3, 17, 18, 23, 24, 25, 28, 29, 29,
+ 29, 29, 29, 29, 0, 4, 5, 6, 7, 8,
+ 9, 10, 11, 12, 13, 14, 15, 16, 17, 18,
+ 19, 20, 21, 26, 29, 29, 29, 29, 29, 29,
+ 29, 29, 29, 29, 29, 29, 29, 29, 29, 29,
+ 29, 29
+};
+
+#define yyerrok (yyerrstatus = 0)
+#define yyclearin (yychar = YYEMPTY)
+#define YYEMPTY (-2)
+#define YYEOF 0
+
+#define YYACCEPT goto yyacceptlab
+#define YYABORT goto yyabortlab
+#define YYERROR goto yyerrorlab
+
+
+/* Like YYERROR except do call yyerror. This remains here temporarily
+ to ease the transition to the new meaning of YYERROR, for GCC.
+ Once GCC version 2 has supplanted version 1, this can go. */
+
+#define YYFAIL goto yyerrlab
+
+#define YYRECOVERING() (!!yyerrstatus)
+
+#define YYBACKUP(Token, Value) \
+do \
+ if (yychar == YYEMPTY && yylen == 1) \
+ { \
+ yychar = (Token); \
+ yylval = (Value); \
+ yytoken = YYTRANSLATE (yychar); \
+ YYPOPSTACK (1); \
+ goto yybackup; \
+ } \
+ else \
+ { \
+ yyerror (context, YY_("syntax error: cannot back up")); \
+ YYERROR; \
+ } \
+while (YYID (0))
+
+
+#define YYTERROR 1
+#define YYERRCODE 256
+
+
+/* YYLLOC_DEFAULT -- Set CURRENT to span from RHS[1] to RHS[N].
+ If N is 0, then set CURRENT to the empty location which ends
+ the previous symbol: RHS[0] (always defined). */
+
+#define YYRHSLOC(Rhs, K) ((Rhs)[K])
+#ifndef YYLLOC_DEFAULT
+# define YYLLOC_DEFAULT(Current, Rhs, N) \
+ do \
+ if (YYID (N)) \
+ { \
+ (Current).first_line = YYRHSLOC (Rhs, 1).first_line; \
+ (Current).first_column = YYRHSLOC (Rhs, 1).first_column; \
+ (Current).last_line = YYRHSLOC (Rhs, N).last_line; \
+ (Current).last_column = YYRHSLOC (Rhs, N).last_column; \
+ } \
+ else \
+ { \
+ (Current).first_line = (Current).last_line = \
+ YYRHSLOC (Rhs, 0).last_line; \
+ (Current).first_column = (Current).last_column = \
+ YYRHSLOC (Rhs, 0).last_column; \
+ } \
+ while (YYID (0))
+#endif
+
+
+/* YY_LOCATION_PRINT -- Print the location on the stream.
+ This macro was not mandated originally: define only if we know
+ we won't break user code: when these are the locations we know. */
+
+#ifndef YY_LOCATION_PRINT
+# if YYLTYPE_IS_TRIVIAL
+# define YY_LOCATION_PRINT(File, Loc) \
+ fprintf (File, "%d.%d-%d.%d", \
+ (Loc).first_line, (Loc).first_column, \
+ (Loc).last_line, (Loc).last_column)
+# else
+# define YY_LOCATION_PRINT(File, Loc) ((void) 0)
+# endif
+#endif
+
+
+/* YYLEX -- calling `yylex' with the right arguments. */
+
+#ifdef YYLEX_PARAM
+# define YYLEX yylex (&yylval, YYLEX_PARAM)
+#else
+# define YYLEX yylex (&yylval, context)
+#endif
+
+/* Enable debugging if requested. */
+#if YYDEBUG
+
+# ifndef YYFPRINTF
+# include <stdio.h> /* INFRINGES ON USER NAME SPACE */
+# define YYFPRINTF fprintf
+# endif
+
+# define YYDPRINTF(Args) \
+do { \
+ if (yydebug) \
+ YYFPRINTF Args; \
+} while (YYID (0))
+
+# define YY_SYMBOL_PRINT(Title, Type, Value, Location) \
+do { \
+ if (yydebug) \
+ { \
+ YYFPRINTF (stderr, "%s ", Title); \
+ yy_symbol_print (stderr, \
+ Type, Value, context); \
+ YYFPRINTF (stderr, "\n"); \
+ } \
+} while (YYID (0))
+
+
+/*--------------------------------.
+| Print this symbol on YYOUTPUT. |
+`--------------------------------*/
+
+/*ARGSUSED*/
+#if (defined __STDC__ || defined __C99__FUNC__ \
+ || defined __cplusplus || defined _MSC_VER)
+static void
+yy_symbol_value_print (FILE *yyoutput, int yytype, YYSTYPE const * const yyvaluep, Context *context)
+#else
+static void
+yy_symbol_value_print (yyoutput, yytype, yyvaluep, context)
+ FILE *yyoutput;
+ int yytype;
+ YYSTYPE const * const yyvaluep;
+ Context *context;
+#endif
+{
+ if (!yyvaluep)
+ return;
+ YYUSE (context);
+# ifdef YYPRINT
+ if (yytype < YYNTOKENS)
+ YYPRINT (yyoutput, yytoknum[yytype], *yyvaluep);
+# else
+ YYUSE (yyoutput);
+# endif
+ switch (yytype)
+ {
+ default:
+ break;
+ }
+}
+
+
+/*--------------------------------.
+| Print this symbol on YYOUTPUT. |
+`--------------------------------*/
+
+#if (defined __STDC__ || defined __C99__FUNC__ \
+ || defined __cplusplus || defined _MSC_VER)
+static void
+yy_symbol_print (FILE *yyoutput, int yytype, YYSTYPE const * const yyvaluep, Context *context)
+#else
+static void
+yy_symbol_print (yyoutput, yytype, yyvaluep, context)
+ FILE *yyoutput;
+ int yytype;
+ YYSTYPE const * const yyvaluep;
+ Context *context;
+#endif
+{
+ if (yytype < YYNTOKENS)
+ YYFPRINTF (yyoutput, "token %s (", yytname[yytype]);
+ else
+ YYFPRINTF (yyoutput, "nterm %s (", yytname[yytype]);
+
+ yy_symbol_value_print (yyoutput, yytype, yyvaluep, context);
+ YYFPRINTF (yyoutput, ")");
+}
+
+/*------------------------------------------------------------------.
+| yy_stack_print -- Print the state stack from its BOTTOM up to its |
+| TOP (included). |
+`------------------------------------------------------------------*/
+
+#if (defined __STDC__ || defined __C99__FUNC__ \
+ || defined __cplusplus || defined _MSC_VER)
+static void
+yy_stack_print (yytype_int16 *yybottom, yytype_int16 *yytop)
+#else
+static void
+yy_stack_print (yybottom, yytop)
+ yytype_int16 *yybottom;
+ yytype_int16 *yytop;
+#endif
+{
+ YYFPRINTF (stderr, "Stack now");
+ for (; yybottom <= yytop; yybottom++)
+ {
+ int yybot = *yybottom;
+ YYFPRINTF (stderr, " %d", yybot);
+ }
+ YYFPRINTF (stderr, "\n");
+}
+
+# define YY_STACK_PRINT(Bottom, Top) \
+do { \
+ if (yydebug) \
+ yy_stack_print ((Bottom), (Top)); \
+} while (YYID (0))
+
+
+/*------------------------------------------------.
+| Report that the YYRULE is going to be reduced. |
+`------------------------------------------------*/
+
+#if (defined __STDC__ || defined __C99__FUNC__ \
+ || defined __cplusplus || defined _MSC_VER)
+static void
+yy_reduce_print (YYSTYPE *yyvsp, int yyrule, Context *context)
+#else
+static void
+yy_reduce_print (yyvsp, yyrule, context)
+ YYSTYPE *yyvsp;
+ int yyrule;
+ Context *context;
+#endif
+{
+ int yynrhs = yyr2[yyrule];
+ int yyi;
+ unsigned long int yylno = yyrline[yyrule];
+ YYFPRINTF (stderr, "Reducing stack by rule %d (line %lu):\n",
+ yyrule - 1, yylno);
+ /* The symbols being reduced. */
+ for (yyi = 0; yyi < yynrhs; yyi++)
+ {
+ YYFPRINTF (stderr, " $%d = ", yyi + 1);
+ yy_symbol_print (stderr, yyrhs[yyprhs[yyrule] + yyi],
+ &(yyvsp[(yyi + 1) - (yynrhs)])
+ , context);
+ YYFPRINTF (stderr, "\n");
+ }
+}
+
+# define YY_REDUCE_PRINT(Rule) \
+do { \
+ if (yydebug) \
+ yy_reduce_print (yyvsp, Rule, context); \
+} while (YYID (0))
+
+/* Nonzero means print parse trace. It is left uninitialized so that
+ multiple parsers can coexist. */
+int yydebug;
+#else /* !YYDEBUG */
+# define YYDPRINTF(Args)
+# define YY_SYMBOL_PRINT(Title, Type, Value, Location)
+# define YY_STACK_PRINT(Bottom, Top)
+# define YY_REDUCE_PRINT(Rule)
+#endif /* !YYDEBUG */
+
+
+/* YYINITDEPTH -- initial size of the parser's stacks. */
+#ifndef YYINITDEPTH
+# define YYINITDEPTH 200
+#endif
+
+/* YYMAXDEPTH -- maximum size the stacks can grow to (effective only
+ if the built-in stack extension method is used).
+
+ Do not make this value too large; the results are undefined if
+ YYSTACK_ALLOC_MAXIMUM < YYSTACK_BYTES (YYMAXDEPTH)
+ evaluated with infinite-precision integer arithmetic. */
+
+#ifndef YYMAXDEPTH
+# define YYMAXDEPTH 10000
+#endif
+
+
+
+#if YYERROR_VERBOSE
+
+# ifndef yystrlen
+# if defined __GLIBC__ && defined _STRING_H
+# define yystrlen strlen
+# else
+/* Return the length of YYSTR. */
+#if (defined __STDC__ || defined __C99__FUNC__ \
+ || defined __cplusplus || defined _MSC_VER)
+static YYSIZE_T
+yystrlen (const char *yystr)
+#else
+static YYSIZE_T
+yystrlen (yystr)
+ const char *yystr;
+#endif
+{
+ YYSIZE_T yylen;
+ for (yylen = 0; yystr[yylen]; yylen++)
+ continue;
+ return yylen;
+}
+# endif
+# endif
+
+# ifndef yystpcpy
+# if defined __GLIBC__ && defined _STRING_H && defined _GNU_SOURCE
+# define yystpcpy stpcpy
+# else
+/* Copy YYSRC to YYDEST, returning the address of the terminating '\0' in
+ YYDEST. */
+#if (defined __STDC__ || defined __C99__FUNC__ \
+ || defined __cplusplus || defined _MSC_VER)
+static char *
+yystpcpy (char *yydest, const char *yysrc)
+#else
+static char *
+yystpcpy (yydest, yysrc)
+ char *yydest;
+ const char *yysrc;
+#endif
+{
+ char *yyd = yydest;
+ const char *yys = yysrc;
+
+ while ((*yyd++ = *yys++) != '\0')
+ continue;
+
+ return yyd - 1;
+}
+# endif
+# endif
+
+# ifndef yytnamerr
+/* Copy to YYRES the contents of YYSTR after stripping away unnecessary
+ quotes and backslashes, so that it's suitable for yyerror. The
+ heuristic is that double-quoting is unnecessary unless the string
+ contains an apostrophe, a comma, or backslash (other than
+ backslash-backslash). YYSTR is taken from yytname. If YYRES is
+ null, do not copy; instead, return the length of what the result
+ would have been. */
+static YYSIZE_T
+yytnamerr (char *yyres, const char *yystr)
+{
+ if (*yystr == '"')
+ {
+ YYSIZE_T yyn = 0;
+ char const *yyp = yystr;
+
+ for (;;)
+ switch (*++yyp)
+ {
+ case '\'':
+ case ',':
+ goto do_not_strip_quotes;
+
+ case '\\':
+ if (*++yyp != '\\')
+ goto do_not_strip_quotes;
+ /* Fall through. */
+ default:
+ if (yyres)
+ yyres[yyn] = *yyp;
+ yyn++;
+ break;
+
+ case '"':
+ if (yyres)
+ yyres[yyn] = '\0';
+ return yyn;
+ }
+ do_not_strip_quotes: ;
+ }
+
+ if (! yyres)
+ return yystrlen (yystr);
+
+ return yystpcpy (yyres, yystr) - yyres;
+}
+# endif
+
+/* Copy into YYRESULT an error message about the unexpected token
+ YYCHAR while in state YYSTATE. Return the number of bytes copied,
+ including the terminating null byte. If YYRESULT is null, do not
+ copy anything; just return the number of bytes that would be
+ copied. As a special case, return 0 if an ordinary "syntax error"
+ message will do. Return YYSIZE_MAXIMUM if overflow occurs during
+ size calculation. */
+static YYSIZE_T
+yysyntax_error (char *yyresult, int yystate, int yychar)
+{
+ int yyn = yypact[yystate];
+
+ if (! (YYPACT_NINF < yyn && yyn <= YYLAST))
+ return 0;
+ else
+ {
+ int yytype = YYTRANSLATE (yychar);
+ YYSIZE_T yysize0 = yytnamerr (0, yytname[yytype]);
+ YYSIZE_T yysize = yysize0;
+ YYSIZE_T yysize1;
+ int yysize_overflow = 0;
+ enum { YYERROR_VERBOSE_ARGS_MAXIMUM = 5 };
+ char const *yyarg[YYERROR_VERBOSE_ARGS_MAXIMUM];
+ int yyx;
+
+# if 0
+ /* This is so xgettext sees the translatable formats that are
+ constructed on the fly. */
+ YY_("syntax error, unexpected %s");
+ YY_("syntax error, unexpected %s, expecting %s");
+ YY_("syntax error, unexpected %s, expecting %s or %s");
+ YY_("syntax error, unexpected %s, expecting %s or %s or %s");
+ YY_("syntax error, unexpected %s, expecting %s or %s or %s or %s");
+# endif
+ char *yyfmt;
+ char const *yyf;
+ static char const yyunexpected[] = "syntax error, unexpected %s";
+ static char const yyexpecting[] = ", expecting %s";
+ static char const yyor[] = " or %s";
+ char yyformat[sizeof yyunexpected
+ + sizeof yyexpecting - 1
+ + ((YYERROR_VERBOSE_ARGS_MAXIMUM - 2)
+ * (sizeof yyor - 1))];
+ char const *yyprefix = yyexpecting;
+
+ /* Start YYX at -YYN if negative to avoid negative indexes in
+ YYCHECK. */
+ int yyxbegin = yyn < 0 ? -yyn : 0;
+
+ /* Stay within bounds of both yycheck and yytname. */
+ int yychecklim = YYLAST - yyn + 1;
+ int yyxend = yychecklim < YYNTOKENS ? yychecklim : YYNTOKENS;
+ int yycount = 1;
+
+ yyarg[0] = yytname[yytype];
+ yyfmt = yystpcpy (yyformat, yyunexpected);
+
+ for (yyx = yyxbegin; yyx < yyxend; ++yyx)
+ if (yycheck[yyx + yyn] == yyx && yyx != YYTERROR)
+ {
+ if (yycount == YYERROR_VERBOSE_ARGS_MAXIMUM)
+ {
+ yycount = 1;
+ yysize = yysize0;
+ yyformat[sizeof yyunexpected - 1] = '\0';
+ break;
+ }
+ yyarg[yycount++] = yytname[yyx];
+ yysize1 = yysize + yytnamerr (0, yytname[yyx]);
+ yysize_overflow |= (yysize1 < yysize);
+ yysize = yysize1;
+ yyfmt = yystpcpy (yyfmt, yyprefix);
+ yyprefix = yyor;
+ }
+
+ yyf = YY_(yyformat);
+ yysize1 = yysize + yystrlen (yyf);
+ yysize_overflow |= (yysize1 < yysize);
+ yysize = yysize1;
+
+ if (yysize_overflow)
+ return YYSIZE_MAXIMUM;
+
+ if (yyresult)
+ {
+ /* Avoid sprintf, as that infringes on the user's name space.
+ Don't have undefined behavior even if the translation
+ produced a string with the wrong number of "%s"s. */
+ char *yyp = yyresult;
+ int yyi = 0;
+ while ((*yyp = *yyf) != '\0')
+ {
+ if (*yyp == '%' && yyf[1] == 's' && yyi < yycount)
+ {
+ yyp += yytnamerr (yyp, yyarg[yyi++]);
+ yyf += 2;
+ }
+ else
+ {
+ yyp++;
+ yyf++;
+ }
+ }
+ }
+ return yysize;
+ }
+}
+#endif /* YYERROR_VERBOSE */
+
+
+/*-----------------------------------------------.
+| Release the memory associated to this symbol. |
+`-----------------------------------------------*/
+
+/*ARGSUSED*/
+#if (defined __STDC__ || defined __C99__FUNC__ \
+ || defined __cplusplus || defined _MSC_VER)
+static void
+yydestruct (const char *yymsg, int yytype, YYSTYPE *yyvaluep, Context *context)
+#else
+static void
+yydestruct (yymsg, yytype, yyvaluep, context)
+ const char *yymsg;
+ int yytype;
+ YYSTYPE *yyvaluep;
+ Context *context;
+#endif
+{
+ YYUSE (yyvaluep);
+ YYUSE (context);
+
+ if (!yymsg)
+ yymsg = "Deleting";
+ YY_SYMBOL_PRINT (yymsg, yytype, yyvaluep, yylocationp);
+
+ switch (yytype)
+ {
+
+ default:
+ break;
+ }
+}
+
+/* Prevent warnings from -Wmissing-prototypes. */
+#ifdef YYPARSE_PARAM
+#if defined __STDC__ || defined __cplusplus
+int yyparse (void *YYPARSE_PARAM);
+#else
+int yyparse ();
+#endif
+#else /* ! YYPARSE_PARAM */
+#if defined __STDC__ || defined __cplusplus
+int yyparse (Context *context);
+#else
+int yyparse ();
+#endif
+#endif /* ! YYPARSE_PARAM */
+
+
+
+
+
+/*-------------------------.
+| yyparse or yypush_parse. |
+`-------------------------*/
+
+#ifdef YYPARSE_PARAM
+#if (defined __STDC__ || defined __C99__FUNC__ \
+ || defined __cplusplus || defined _MSC_VER)
+int
+yyparse (void *YYPARSE_PARAM)
+#else
+int
+yyparse (YYPARSE_PARAM)
+ void *YYPARSE_PARAM;
+#endif
+#else /* ! YYPARSE_PARAM */
+#if (defined __STDC__ || defined __C99__FUNC__ \
+ || defined __cplusplus || defined _MSC_VER)
+int
+yyparse (Context *context)
+#else
+int
+yyparse (context)
+ Context *context;
+#endif
+#endif
+{
+/* The lookahead symbol. */
+int yychar;
+
+/* The semantic value of the lookahead symbol. */
+YYSTYPE yylval;
+
+ /* Number of syntax errors so far. */
+ int yynerrs;
+
+ int yystate;
+ /* Number of tokens to shift before error messages enabled. */
+ int yyerrstatus;
+
+ /* The stacks and their tools:
+ `yyss': related to states.
+ `yyvs': related to semantic values.
+
+ Refer to the stacks thru separate pointers, to allow yyoverflow
+ to reallocate them elsewhere. */
+
+ /* The state stack. */
+ yytype_int16 yyssa[YYINITDEPTH];
+ yytype_int16 *yyss;
+ yytype_int16 *yyssp;
+
+ /* The semantic value stack. */
+ YYSTYPE yyvsa[YYINITDEPTH];
+ YYSTYPE *yyvs;
+ YYSTYPE *yyvsp;
+
+ YYSIZE_T yystacksize;
+
+ int yyn;
+ int yyresult;
+ /* Lookahead token as an internal (translated) token number. */
+ int yytoken;
+ /* The variables used to return semantic value and location from the
+ action routines. */
+ YYSTYPE yyval;
+
+#if YYERROR_VERBOSE
+ /* Buffer for error messages, and its allocated size. */
+ char yymsgbuf[128];
+ char *yymsg = yymsgbuf;
+ YYSIZE_T yymsg_alloc = sizeof yymsgbuf;
+#endif
+
+#define YYPOPSTACK(N) (yyvsp -= (N), yyssp -= (N))
+
+ /* The number of symbols on the RHS of the reduced rule.
+ Keep to zero when no symbol should be popped. */
+ int yylen = 0;
+
+ yytoken = 0;
+ yyss = yyssa;
+ yyvs = yyvsa;
+ yystacksize = YYINITDEPTH;
+
+ YYDPRINTF ((stderr, "Starting parse\n"));
+
+ yystate = 0;
+ yyerrstatus = 0;
+ yynerrs = 0;
+ yychar = YYEMPTY; /* Cause a token to be read. */
+
+ /* Initialize stack pointers.
+ Waste one element of value and location stack
+ so that they stay on the same level as the state stack.
+ The wasted elements are never initialized. */
+ yyssp = yyss;
+ yyvsp = yyvs;
+
+ goto yysetstate;
+
+/*------------------------------------------------------------.
+| yynewstate -- Push a new state, which is found in yystate. |
+`------------------------------------------------------------*/
+ yynewstate:
+ /* In all cases, when you get here, the value and location stacks
+ have just been pushed. So pushing a state here evens the stacks. */
+ yyssp++;
+
+ yysetstate:
+ *yyssp = yystate;
+
+ if (yyss + yystacksize - 1 <= yyssp)
+ {
+ /* Get the current used size of the three stacks, in elements. */
+ YYSIZE_T yysize = yyssp - yyss + 1;
+
+#ifdef yyoverflow
+ {
+ /* Give user a chance to reallocate the stack. Use copies of
+ these so that the &'s don't force the real ones into
+ memory. */
+ YYSTYPE *yyvs1 = yyvs;
+ yytype_int16 *yyss1 = yyss;
+
+ /* Each stack pointer address is followed by the size of the
+ data in use in that stack, in bytes. This used to be a
+ conditional around just the two extra args, but that might
+ be undefined if yyoverflow is a macro. */
+ yyoverflow (YY_("memory exhausted"),
+ &yyss1, yysize * sizeof (*yyssp),
+ &yyvs1, yysize * sizeof (*yyvsp),
+ &yystacksize);
+
+ yyss = yyss1;
+ yyvs = yyvs1;
+ }
+#else /* no yyoverflow */
+# ifndef YYSTACK_RELOCATE
+ goto yyexhaustedlab;
+# else
+ /* Extend the stack our own way. */
+ if (YYMAXDEPTH <= yystacksize)
+ goto yyexhaustedlab;
+ yystacksize *= 2;
+ if (YYMAXDEPTH < yystacksize)
+ yystacksize = YYMAXDEPTH;
+
+ {
+ yytype_int16 *yyss1 = yyss;
+ union yyalloc *yyptr =
+ (union yyalloc *) YYSTACK_ALLOC (YYSTACK_BYTES (yystacksize));
+ if (! yyptr)
+ goto yyexhaustedlab;
+ YYSTACK_RELOCATE (yyss_alloc, yyss);
+ YYSTACK_RELOCATE (yyvs_alloc, yyvs);
+# undef YYSTACK_RELOCATE
+ if (yyss1 != yyssa)
+ YYSTACK_FREE (yyss1);
+ }
+# endif
+#endif /* no yyoverflow */
+
+ yyssp = yyss + yysize - 1;
+ yyvsp = yyvs + yysize - 1;
+
+ YYDPRINTF ((stderr, "Stack size increased to %lu\n",
+ (unsigned long int) yystacksize));
+
+ if (yyss + yystacksize - 1 <= yyssp)
+ YYABORT;
+ }
+
+ YYDPRINTF ((stderr, "Entering state %d\n", yystate));
+
+ if (yystate == YYFINAL)
+ YYACCEPT;
+
+ goto yybackup;
+
+/*-----------.
+| yybackup. |
+`-----------*/
+yybackup:
+
+ /* Do appropriate processing given the current state. Read a
+ lookahead token if we need one and don't already have one. */
+
+ /* First try to decide what to do without reference to lookahead token. */
+ yyn = yypact[yystate];
+ if (yyn == YYPACT_NINF)
+ goto yydefault;
+
+ /* Not known => get a lookahead token if don't already have one. */
+
+ /* YYCHAR is either YYEMPTY or YYEOF or a valid lookahead symbol. */
+ if (yychar == YYEMPTY)
+ {
+ YYDPRINTF ((stderr, "Reading a token: "));
+ yychar = YYLEX;
+ }
+
+ if (yychar <= YYEOF)
+ {
+ yychar = yytoken = YYEOF;
+ YYDPRINTF ((stderr, "Now at end of input.\n"));
+ }
+ else
+ {
+ yytoken = YYTRANSLATE (yychar);
+ YY_SYMBOL_PRINT ("Next token is", yytoken, &yylval, &yylloc);
+ }
+
+ /* If the proper action on seeing token YYTOKEN is to reduce or to
+ detect an error, take that action. */
+ yyn += yytoken;
+ if (yyn < 0 || YYLAST < yyn || yycheck[yyn] != yytoken)
+ goto yydefault;
+ yyn = yytable[yyn];
+ if (yyn <= 0)
+ {
+ if (yyn == 0 || yyn == YYTABLE_NINF)
+ goto yyerrlab;
+ yyn = -yyn;
+ goto yyreduce;
+ }
+
+ /* Count tokens shifted since error; after three, turn off error
+ status. */
+ if (yyerrstatus)
+ yyerrstatus--;
+
+ /* Shift the lookahead token. */
+ YY_SYMBOL_PRINT ("Shifting", yytoken, &yylval, &yylloc);
+
+ /* Discard the shifted token. */
+ yychar = YYEMPTY;
+
+ yystate = yyn;
+ *++yyvsp = yylval;
+
+ goto yynewstate;
+
+
+/*-----------------------------------------------------------.
+| yydefault -- do the default action for the current state. |
+`-----------------------------------------------------------*/
+yydefault:
+ yyn = yydefact[yystate];
+ if (yyn == 0)
+ goto yyerrlab;
+ goto yyreduce;
+
+
+/*-----------------------------.
+| yyreduce -- Do a reduction. |
+`-----------------------------*/
+yyreduce:
+ /* yyn is the number of a rule to reduce with. */
+ yylen = yyr2[yyn];
+
+ /* If YYLEN is nonzero, implement the default value of the action:
+ `$$ = $1'.
+
+ Otherwise, the following line sets YYVAL to garbage.
+ This behavior is undocumented and Bison
+ users should not rely upon it. Assigning to YYVAL
+ unconditionally makes the parser a bit smaller, and it avoids a
+ GCC warning that YYVAL may be used uninitialized. */
+ yyval = yyvsp[1-yylen];
+
+
+ YY_REDUCE_PRINT (yyn);
+ switch (yyn)
+ {
+ case 2:
+
+ {
+ *(context->result) = static_cast<int>((yyvsp[(1) - (1)]));
+ YYACCEPT;
+ }
+ break;
+
+ case 4:
+
+ {
+ (yyval) = (yyvsp[(1) - (3)]) || (yyvsp[(3) - (3)]);
+ }
+ break;
+
+ case 5:
+
+ {
+ (yyval) = (yyvsp[(1) - (3)]) && (yyvsp[(3) - (3)]);
+ }
+ break;
+
+ case 6:
+
+ {
+ (yyval) = (yyvsp[(1) - (3)]) | (yyvsp[(3) - (3)]);
+ }
+ break;
+
+ case 7:
+
+ {
+ (yyval) = (yyvsp[(1) - (3)]) ^ (yyvsp[(3) - (3)]);
+ }
+ break;
+
+ case 8:
+
+ {
+ (yyval) = (yyvsp[(1) - (3)]) & (yyvsp[(3) - (3)]);
+ }
+ break;
+
+ case 9:
+
+ {
+ (yyval) = (yyvsp[(1) - (3)]) != (yyvsp[(3) - (3)]);
+ }
+ break;
+
+ case 10:
+
+ {
+ (yyval) = (yyvsp[(1) - (3)]) == (yyvsp[(3) - (3)]);
+ }
+ break;
+
+ case 11:
+
+ {
+ (yyval) = (yyvsp[(1) - (3)]) >= (yyvsp[(3) - (3)]);
+ }
+ break;
+
+ case 12:
+
+ {
+ (yyval) = (yyvsp[(1) - (3)]) <= (yyvsp[(3) - (3)]);
+ }
+ break;
+
+ case 13:
+
+ {
+ (yyval) = (yyvsp[(1) - (3)]) > (yyvsp[(3) - (3)]);
+ }
+ break;
+
+ case 14:
+
+ {
+ (yyval) = (yyvsp[(1) - (3)]) < (yyvsp[(3) - (3)]);
+ }
+ break;
+
+ case 15:
+
+ {
+ (yyval) = (yyvsp[(1) - (3)]) >> (yyvsp[(3) - (3)]);
+ }
+ break;
+
+ case 16:
+
+ {
+ (yyval) = (yyvsp[(1) - (3)]) << (yyvsp[(3) - (3)]);
+ }
+ break;
+
+ case 17:
+
+ {
+ (yyval) = (yyvsp[(1) - (3)]) - (yyvsp[(3) - (3)]);
+ }
+ break;
+
+ case 18:
+
+ {
+ (yyval) = (yyvsp[(1) - (3)]) + (yyvsp[(3) - (3)]);
+ }
+ break;
+
+ case 19:
+
+ {
+ if ((yyvsp[(3) - (3)]) == 0) {
+ std::ostringstream stream;
+ stream << (yyvsp[(1) - (3)]) << " % " << (yyvsp[(3) - (3)]);
+ std::string text = stream.str();
+ context->diagnostics->report(pp::Diagnostics::DIVISION_BY_ZERO,
+ context->token->location,
+ text.c_str());
+ YYABORT;
+ } else {
+ (yyval) = (yyvsp[(1) - (3)]) % (yyvsp[(3) - (3)]);
+ }
+ }
+ break;
+
+ case 20:
+
+ {
+ if ((yyvsp[(3) - (3)]) == 0) {
+ std::ostringstream stream;
+ stream << (yyvsp[(1) - (3)]) << " / " << (yyvsp[(3) - (3)]);
+ std::string text = stream.str();
+ context->diagnostics->report(pp::Diagnostics::DIVISION_BY_ZERO,
+ context->token->location,
+ text.c_str());
+ YYABORT;
+ } else {
+ (yyval) = (yyvsp[(1) - (3)]) / (yyvsp[(3) - (3)]);
+ }
+ }
+ break;
+
+ case 21:
+
+ {
+ (yyval) = (yyvsp[(1) - (3)]) * (yyvsp[(3) - (3)]);
+ }
+ break;
+
+ case 22:
+
+ {
+ (yyval) = ! (yyvsp[(2) - (2)]);
+ }
+ break;
+
+ case 23:
+
+ {
+ (yyval) = ~ (yyvsp[(2) - (2)]);
+ }
+ break;
+
+ case 24:
+
+ {
+ (yyval) = - (yyvsp[(2) - (2)]);
+ }
+ break;
+
+ case 25:
+
+ {
+ (yyval) = + (yyvsp[(2) - (2)]);
+ }
+ break;
+
+ case 26:
+
+ {
+ (yyval) = (yyvsp[(2) - (3)]);
+ }
+ break;
+
+
+
+ default: break;
+ }
+ YY_SYMBOL_PRINT ("-> $$ =", yyr1[yyn], &yyval, &yyloc);
+
+ YYPOPSTACK (yylen);
+ yylen = 0;
+ YY_STACK_PRINT (yyss, yyssp);
+
+ *++yyvsp = yyval;
+
+ /* Now `shift' the result of the reduction. Determine what state
+ that goes to, based on the state we popped back to and the rule
+ number reduced by. */
+
+ yyn = yyr1[yyn];
+
+ yystate = yypgoto[yyn - YYNTOKENS] + *yyssp;
+ if (0 <= yystate && yystate <= YYLAST && yycheck[yystate] == *yyssp)
+ yystate = yytable[yystate];
+ else
+ yystate = yydefgoto[yyn - YYNTOKENS];
+
+ goto yynewstate;
+
+
+/*------------------------------------.
+| yyerrlab -- here on detecting error |
+`------------------------------------*/
+yyerrlab:
+ /* If not already recovering from an error, report this error. */
+ if (!yyerrstatus)
+ {
+ ++yynerrs;
+#if ! YYERROR_VERBOSE
+ yyerror (context, YY_("syntax error"));
+#else
+ {
+ YYSIZE_T yysize = yysyntax_error (0, yystate, yychar);
+ if (yymsg_alloc < yysize && yymsg_alloc < YYSTACK_ALLOC_MAXIMUM)
+ {
+ YYSIZE_T yyalloc = 2 * yysize;
+ if (! (yysize <= yyalloc && yyalloc <= YYSTACK_ALLOC_MAXIMUM))
+ yyalloc = YYSTACK_ALLOC_MAXIMUM;
+ if (yymsg != yymsgbuf)
+ YYSTACK_FREE (yymsg);
+ yymsg = (char *) YYSTACK_ALLOC (yyalloc);
+ if (yymsg)
+ yymsg_alloc = yyalloc;
+ else
+ {
+ yymsg = yymsgbuf;
+ yymsg_alloc = sizeof yymsgbuf;
+ }
+ }
+
+ if (0 < yysize && yysize <= yymsg_alloc)
+ {
+ (void) yysyntax_error (yymsg, yystate, yychar);
+ yyerror (context, yymsg);
+ }
+ else
+ {
+ yyerror (context, YY_("syntax error"));
+ if (yysize != 0)
+ goto yyexhaustedlab;
+ }
+ }
+#endif
+ }
+
+
+
+ if (yyerrstatus == 3)
+ {
+ /* If just tried and failed to reuse lookahead token after an
+ error, discard it. */
+
+ if (yychar <= YYEOF)
+ {
+ /* Return failure if at end of input. */
+ if (yychar == YYEOF)
+ YYABORT;
+ }
+ else
+ {
+ yydestruct ("Error: discarding",
+ yytoken, &yylval, context);
+ yychar = YYEMPTY;
+ }
+ }
+
+ /* Else will try to reuse lookahead token after shifting the error
+ token. */
+ goto yyerrlab1;
+
+
+/*---------------------------------------------------.
+| yyerrorlab -- error raised explicitly by YYERROR. |
+`---------------------------------------------------*/
+yyerrorlab:
+
+ /* Pacify compilers like GCC when the user code never invokes
+ YYERROR and the label yyerrorlab therefore never appears in user
+ code. */
+ if (/*CONSTCOND*/ 0)
+ goto yyerrorlab;
+
+ /* Do not reclaim the symbols of the rule which action triggered
+ this YYERROR. */
+ YYPOPSTACK (yylen);
+ yylen = 0;
+ YY_STACK_PRINT (yyss, yyssp);
+ yystate = *yyssp;
+ goto yyerrlab1;
+
+
+/*-------------------------------------------------------------.
+| yyerrlab1 -- common code for both syntax error and YYERROR. |
+`-------------------------------------------------------------*/
+yyerrlab1:
+ yyerrstatus = 3; /* Each real token shifted decrements this. */
+
+ for (;;)
+ {
+ yyn = yypact[yystate];
+ if (yyn != YYPACT_NINF)
+ {
+ yyn += YYTERROR;
+ if (0 <= yyn && yyn <= YYLAST && yycheck[yyn] == YYTERROR)
+ {
+ yyn = yytable[yyn];
+ if (0 < yyn)
+ break;
+ }
+ }
+
+ /* Pop the current state because it cannot handle the error token. */
+ if (yyssp == yyss)
+ YYABORT;
+
+
+ yydestruct ("Error: popping",
+ yystos[yystate], yyvsp, context);
+ YYPOPSTACK (1);
+ yystate = *yyssp;
+ YY_STACK_PRINT (yyss, yyssp);
+ }
+
+ *++yyvsp = yylval;
+
+
+ /* Shift the error token. */
+ YY_SYMBOL_PRINT ("Shifting", yystos[yyn], yyvsp, yylsp);
+
+ yystate = yyn;
+ goto yynewstate;
+
+
+/*-------------------------------------.
+| yyacceptlab -- YYACCEPT comes here. |
+`-------------------------------------*/
+yyacceptlab:
+ yyresult = 0;
+ goto yyreturn;
+
+/*-----------------------------------.
+| yyabortlab -- YYABORT comes here. |
+`-----------------------------------*/
+yyabortlab:
+ yyresult = 1;
+ goto yyreturn;
+
+#if !defined(yyoverflow) || YYERROR_VERBOSE
+/*-------------------------------------------------.
+| yyexhaustedlab -- memory exhaustion comes here. |
+`-------------------------------------------------*/
+yyexhaustedlab:
+ yyerror (context, YY_("memory exhausted"));
+ yyresult = 2;
+ /* Fall through. */
+#endif
+
+yyreturn:
+ if (yychar != YYEMPTY)
+ yydestruct ("Cleanup: discarding lookahead",
+ yytoken, &yylval, context);
+ /* Do not reclaim the symbols of the rule which action triggered
+ this YYABORT or YYACCEPT. */
+ YYPOPSTACK (yylen);
+ YY_STACK_PRINT (yyss, yyssp);
+ while (yyssp != yyss)
+ {
+ yydestruct ("Cleanup: popping",
+ yystos[*yyssp], yyvsp, context);
+ YYPOPSTACK (1);
+ }
+#ifndef yyoverflow
+ if (yyss != yyssa)
+ YYSTACK_FREE (yyss);
+#endif
+#if YYERROR_VERBOSE
+ if (yymsg != yymsgbuf)
+ YYSTACK_FREE (yymsg);
+#endif
+ /* Make sure YYID is used. */
+ return YYID (yyresult);
+}
+
+
+
+
+
+int yylex(YYSTYPE* lvalp, Context* context)
+{
+ int type = 0;
+
+ pp::Token* token = context->token;
+ switch (token->type)
+ {
+ case pp::Token::CONST_INT:
+ {
+ unsigned int val = 0;
+ if (!token->uValue(&val))
+ {
+ context->diagnostics->report(pp::Diagnostics::INTEGER_OVERFLOW,
+ token->location, token->text);
+ }
+ *lvalp = static_cast<YYSTYPE>(val);
+ type = TOK_CONST_INT;
+ break;
+ }
+ case pp::Token::OP_OR: type = TOK_OP_OR; break;
+ case pp::Token::OP_AND: type = TOK_OP_AND; break;
+ case pp::Token::OP_NE: type = TOK_OP_NE; break;
+ case pp::Token::OP_EQ: type = TOK_OP_EQ; break;
+ case pp::Token::OP_GE: type = TOK_OP_GE; break;
+ case pp::Token::OP_LE: type = TOK_OP_LE; break;
+ case pp::Token::OP_RIGHT: type = TOK_OP_RIGHT; break;
+ case pp::Token::OP_LEFT: type = TOK_OP_LEFT; break;
+ case '|': type = '|'; break;
+ case '^': type = '^'; break;
+ case '&': type = '&'; break;
+ case '>': type = '>'; break;
+ case '<': type = '<'; break;
+ case '-': type = '-'; break;
+ case '+': type = '+'; break;
+ case '%': type = '%'; break;
+ case '/': type = '/'; break;
+ case '*': type = '*'; break;
+ case '!': type = '!'; break;
+ case '~': type = '~'; break;
+ case '(': type = '('; break;
+ case ')': type = ')'; break;
+
+ default: break;
+ }
+
+ // Advance to the next token if the current one is valid.
+ if (type != 0) context->lexer->lex(token);
+
+ return type;
+}
+
+void yyerror(Context* context, const char* reason)
+{
+ context->diagnostics->report(pp::Diagnostics::INVALID_EXPRESSION,
+ context->token->location,
+ reason);
+}
+
+namespace pp {
+
+ExpressionParser::ExpressionParser(Lexer* lexer, Diagnostics* diagnostics) :
+ mLexer(lexer),
+ mDiagnostics(diagnostics)
+{
+}
+
+bool ExpressionParser::parse(Token* token, int* result)
+{
+ Context context;
+ context.diagnostics = mDiagnostics;
+ context.lexer = mLexer;
+ context.token = token;
+ context.result = result;
+ int ret = yyparse(&context);
+ switch (ret)
+ {
+ case 0:
+ case 1:
+ break;
+
+ case 2:
+ mDiagnostics->report(Diagnostics::OUT_OF_MEMORY, token->location, "");
+ break;
+
+ default:
+ assert(false);
+ mDiagnostics->report(Diagnostics::INTERNAL_ERROR, token->location, "");
+ break;
+ }
+
+ return ret == 0;
+}
+
+} // namespace pp
+
diff --git a/src/GLES2/compiler/preprocessor/ExpressionParser.h b/src/GLES2/compiler/preprocessor/ExpressionParser.h
new file mode 100644
index 0000000..3ee5b7a
--- /dev/null
+++ b/src/GLES2/compiler/preprocessor/ExpressionParser.h
@@ -0,0 +1,34 @@
+//
+// Copyright (c) 2012 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+#ifndef COMPILER_PREPROCESSOR_EXPRESSION_PARSER_H_
+#define COMPILER_PREPROCESSOR_EXPRESSION_PARSER_H_
+
+#include "pp_utils.h"
+
+namespace pp
+{
+
+class Diagnostics;
+class Lexer;
+struct Token;
+
+class ExpressionParser
+{
+ public:
+ ExpressionParser(Lexer* lexer, Diagnostics* diagnostics);
+
+ bool parse(Token* token, int* result);
+
+ private:
+ PP_DISALLOW_COPY_AND_ASSIGN(ExpressionParser);
+
+ Lexer* mLexer;
+ Diagnostics* mDiagnostics;
+};
+
+} // namespace pp
+#endif // COMPILER_PREPROCESSOR_EXPRESSION_PARSER_H_
diff --git a/src/GLES2/compiler/preprocessor/ExpressionParser.y b/src/GLES2/compiler/preprocessor/ExpressionParser.y
new file mode 100644
index 0000000..2104d77
--- /dev/null
+++ b/src/GLES2/compiler/preprocessor/ExpressionParser.y
@@ -0,0 +1,279 @@
+/*
+//
+// Copyright (c) 2012 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+This file contains the Yacc grammar for GLSL ES preprocessor expression.
+
+IF YOU MODIFY THIS FILE YOU ALSO NEED TO RUN generate_parser.sh,
+WHICH GENERATES THE GLSL ES preprocessor expression parser.
+*/
+
+%{
+//
+// Copyright (c) 2012 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+// This file is auto-generated by generate_parser.sh. DO NOT EDIT!
+
+#if defined(__GNUC__)
+// Triggered by the auto-generated pplval variable.
+#pragma GCC diagnostic ignored "-Wuninitialized"
+#elif defined(_MSC_VER)
+#pragma warning(disable: 4065 4701)
+#endif
+
+#include "ExpressionParser.h"
+
+#include <cassert>
+#include <sstream>
+
+#include "Diagnostics.h"
+#include "Lexer.h"
+#include "Token.h"
+
+#if defined(_MSC_VER)
+typedef __int64 YYSTYPE;
+#else
+#include <stdint.h>
+typedef intmax_t YYSTYPE;
+#endif // _MSC_VER
+#define YYSTYPE_IS_TRIVIAL 1
+#define YYSTYPE_IS_DECLARED 1
+
+namespace {
+struct Context
+{
+ pp::Diagnostics* diagnostics;
+ pp::Lexer* lexer;
+ pp::Token* token;
+ int* result;
+};
+} // namespace
+%}
+
+%pure-parser
+%name-prefix="pp"
+%parse-param {Context *context}
+%lex-param {Context *context}
+
+%{
+static int yylex(YYSTYPE* lvalp, Context* context);
+static void yyerror(Context* context, const char* reason);
+%}
+
+%token TOK_CONST_INT
+%left TOK_OP_OR
+%left TOK_OP_AND
+%left '|'
+%left '^'
+%left '&'
+%left TOK_OP_EQ TOK_OP_NE
+%left '<' '>' TOK_OP_LE TOK_OP_GE
+%left TOK_OP_LEFT TOK_OP_RIGHT
+%left '+' '-'
+%left '*' '/' '%'
+%right TOK_UNARY
+
+%%
+
+input
+ : expression {
+ *(context->result) = static_cast<int>($1);
+ YYACCEPT;
+ }
+;
+
+expression
+ : TOK_CONST_INT
+ | expression TOK_OP_OR expression {
+ $$ = $1 || $3;
+ }
+ | expression TOK_OP_AND expression {
+ $$ = $1 && $3;
+ }
+ | expression '|' expression {
+ $$ = $1 | $3;
+ }
+ | expression '^' expression {
+ $$ = $1 ^ $3;
+ }
+ | expression '&' expression {
+ $$ = $1 & $3;
+ }
+ | expression TOK_OP_NE expression {
+ $$ = $1 != $3;
+ }
+ | expression TOK_OP_EQ expression {
+ $$ = $1 == $3;
+ }
+ | expression TOK_OP_GE expression {
+ $$ = $1 >= $3;
+ }
+ | expression TOK_OP_LE expression {
+ $$ = $1 <= $3;
+ }
+ | expression '>' expression {
+ $$ = $1 > $3;
+ }
+ | expression '<' expression {
+ $$ = $1 < $3;
+ }
+ | expression TOK_OP_RIGHT expression {
+ $$ = $1 >> $3;
+ }
+ | expression TOK_OP_LEFT expression {
+ $$ = $1 << $3;
+ }
+ | expression '-' expression {
+ $$ = $1 - $3;
+ }
+ | expression '+' expression {
+ $$ = $1 + $3;
+ }
+ | expression '%' expression {
+ if ($3 == 0) {
+ std::ostringstream stream;
+ stream << $1 << " % " << $3;
+ std::string text = stream.str();
+ context->diagnostics->report(pp::Diagnostics::DIVISION_BY_ZERO,
+ context->token->location,
+ text.c_str());
+ YYABORT;
+ } else {
+ $$ = $1 % $3;
+ }
+ }
+ | expression '/' expression {
+ if ($3 == 0) {
+ std::ostringstream stream;
+ stream << $1 << " / " << $3;
+ std::string text = stream.str();
+ context->diagnostics->report(pp::Diagnostics::DIVISION_BY_ZERO,
+ context->token->location,
+ text.c_str());
+ YYABORT;
+ } else {
+ $$ = $1 / $3;
+ }
+ }
+ | expression '*' expression {
+ $$ = $1 * $3;
+ }
+ | '!' expression %prec TOK_UNARY {
+ $$ = ! $2;
+ }
+ | '~' expression %prec TOK_UNARY {
+ $$ = ~ $2;
+ }
+ | '-' expression %prec TOK_UNARY {
+ $$ = - $2;
+ }
+ | '+' expression %prec TOK_UNARY {
+ $$ = + $2;
+ }
+ | '(' expression ')' {
+ $$ = $2;
+ }
+;
+
+%%
+
+int yylex(YYSTYPE* lvalp, Context* context)
+{
+ int type = 0;
+
+ pp::Token* token = context->token;
+ switch (token->type)
+ {
+ case pp::Token::CONST_INT:
+ {
+ unsigned int val = 0;
+ if (!token->uValue(&val))
+ {
+ context->diagnostics->report(pp::Diagnostics::INTEGER_OVERFLOW,
+ token->location, token->text);
+ }
+ *lvalp = static_cast<YYSTYPE>(val);
+ type = TOK_CONST_INT;
+ break;
+ }
+ case pp::Token::OP_OR: type = TOK_OP_OR; break;
+ case pp::Token::OP_AND: type = TOK_OP_AND; break;
+ case pp::Token::OP_NE: type = TOK_OP_NE; break;
+ case pp::Token::OP_EQ: type = TOK_OP_EQ; break;
+ case pp::Token::OP_GE: type = TOK_OP_GE; break;
+ case pp::Token::OP_LE: type = TOK_OP_LE; break;
+ case pp::Token::OP_RIGHT: type = TOK_OP_RIGHT; break;
+ case pp::Token::OP_LEFT: type = TOK_OP_LEFT; break;
+ case '|': type = '|'; break;
+ case '^': type = '^'; break;
+ case '&': type = '&'; break;
+ case '>': type = '>'; break;
+ case '<': type = '<'; break;
+ case '-': type = '-'; break;
+ case '+': type = '+'; break;
+ case '%': type = '%'; break;
+ case '/': type = '/'; break;
+ case '*': type = '*'; break;
+ case '!': type = '!'; break;
+ case '~': type = '~'; break;
+ case '(': type = '('; break;
+ case ')': type = ')'; break;
+
+ default: break;
+ }
+
+ // Advance to the next token if the current one is valid.
+ if (type != 0) context->lexer->lex(token);
+
+ return type;
+}
+
+void yyerror(Context* context, const char* reason)
+{
+ context->diagnostics->report(pp::Diagnostics::INVALID_EXPRESSION,
+ context->token->location,
+ reason);
+}
+
+namespace pp {
+
+ExpressionParser::ExpressionParser(Lexer* lexer, Diagnostics* diagnostics) :
+ mLexer(lexer),
+ mDiagnostics(diagnostics)
+{
+}
+
+bool ExpressionParser::parse(Token* token, int* result)
+{
+ Context context;
+ context.diagnostics = mDiagnostics;
+ context.lexer = mLexer;
+ context.token = token;
+ context.result = result;
+ int ret = yyparse(&context);
+ switch (ret)
+ {
+ case 0:
+ case 1:
+ break;
+
+ case 2:
+ mDiagnostics->report(Diagnostics::OUT_OF_MEMORY, token->location, "");
+ break;
+
+ default:
+ assert(false);
+ mDiagnostics->report(Diagnostics::INTERNAL_ERROR, token->location, "");
+ break;
+ }
+
+ return ret == 0;
+}
+
+} // namespace pp
diff --git a/src/GLES2/compiler/preprocessor/Input.cpp b/src/GLES2/compiler/preprocessor/Input.cpp
new file mode 100644
index 0000000..5cbf138
--- /dev/null
+++ b/src/GLES2/compiler/preprocessor/Input.cpp
@@ -0,0 +1,55 @@
+//
+// Copyright (c) 2011 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+#include "Input.h"
+
+#include <algorithm>
+#include <cassert>
+#include <cstring>
+
+namespace pp
+{
+
+Input::Input() : mCount(0), mString(0)
+{
+}
+
+Input::Input(int count, const char* const string[], const int length[]) :
+ mCount(count),
+ mString(string)
+{
+ assert(mCount >= 0);
+ mLength.reserve(mCount);
+ for (int i = 0; i < mCount; ++i)
+ {
+ int len = length ? length[i] : -1;
+ mLength.push_back(len < 0 ? strlen(mString[i]) : len);
+ }
+}
+
+int Input::read(char* buf, int maxSize)
+{
+ int nRead = 0;
+ while ((nRead < maxSize) && (mReadLoc.sIndex < mCount))
+ {
+ int size = mLength[mReadLoc.sIndex] - mReadLoc.cIndex;
+ size = std::min(size, maxSize);
+ memcpy(buf + nRead, mString[mReadLoc.sIndex] + mReadLoc.cIndex, size);
+ nRead += size;
+ mReadLoc.cIndex += size;
+
+ // Advance string if we reached the end of current string.
+ if (mReadLoc.cIndex == mLength[mReadLoc.sIndex])
+ {
+ ++mReadLoc.sIndex;
+ mReadLoc.cIndex = 0;
+ }
+ }
+ return nRead;
+}
+
+} // namespace pp
+
diff --git a/src/GLES2/compiler/preprocessor/Input.h b/src/GLES2/compiler/preprocessor/Input.h
new file mode 100644
index 0000000..8e5b1e9
--- /dev/null
+++ b/src/GLES2/compiler/preprocessor/Input.h
@@ -0,0 +1,48 @@
+//
+// Copyright (c) 2011 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+#ifndef COMPILER_PREPROCESSOR_INPUT_H_
+#define COMPILER_PREPROCESSOR_INPUT_H_
+
+#include <vector>
+
+namespace pp
+{
+
+// Holds and reads input for Lexer.
+class Input
+{
+ public:
+ Input();
+ Input(int count, const char* const string[], const int length[]);
+
+ int count() const { return mCount; }
+ const char* string(int index) const { return mString[index]; }
+ int length(int index) const { return mLength[index]; }
+
+ int read(char* buf, int maxSize);
+
+ struct Location
+ {
+ int sIndex; // String index;
+ int cIndex; // Char index.
+
+ Location() : sIndex(0), cIndex(0) { }
+ };
+ const Location& readLoc() const { return mReadLoc; }
+
+ private:
+ // Input.
+ int mCount;
+ const char* const* mString;
+ std::vector<int> mLength;
+
+ Location mReadLoc;
+};
+
+} // namespace pp
+#endif // COMPILER_PREPROCESSOR_INPUT_H_
+
diff --git a/src/GLES2/compiler/preprocessor/Lexer.cpp b/src/GLES2/compiler/preprocessor/Lexer.cpp
new file mode 100644
index 0000000..231a906
--- /dev/null
+++ b/src/GLES2/compiler/preprocessor/Lexer.cpp
@@ -0,0 +1,16 @@
+//
+// Copyright (c) 2012 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+#include "Lexer.h"
+
+namespace pp
+{
+
+Lexer::~Lexer()
+{
+}
+
+} // namespace pp
diff --git a/src/GLES2/compiler/preprocessor/Lexer.h b/src/GLES2/compiler/preprocessor/Lexer.h
new file mode 100644
index 0000000..cb29a10
--- /dev/null
+++ b/src/GLES2/compiler/preprocessor/Lexer.h
@@ -0,0 +1,25 @@
+//
+// Copyright (c) 2012 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+#ifndef COMPILER_PREPROCESSOR_LEXER_H_
+#define COMPILER_PREPROCESSOR_LEXER_H_
+
+namespace pp
+{
+
+struct Token;
+
+class Lexer
+{
+ public:
+ virtual ~Lexer();
+
+ virtual void lex(Token* token) = 0;
+};
+
+} // namespace pp
+#endif // COMPILER_PREPROCESSOR_LEXER_H_
+
diff --git a/src/GLES2/compiler/preprocessor/Macro.cpp b/src/GLES2/compiler/preprocessor/Macro.cpp
new file mode 100644
index 0000000..3c57afe
--- /dev/null
+++ b/src/GLES2/compiler/preprocessor/Macro.cpp
@@ -0,0 +1,23 @@
+//
+// Copyright (c) 2011 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+#include "Macro.h"
+
+#include "Token.h"
+
+namespace pp
+{
+
+bool Macro::equals(const Macro& other) const
+{
+ return (type == other.type) &&
+ (name == other.name) &&
+ (parameters == other.parameters) &&
+ (replacements == other.replacements);
+}
+
+} // namespace pp
+
diff --git a/src/GLES2/compiler/preprocessor/Macro.h b/src/GLES2/compiler/preprocessor/Macro.h
new file mode 100644
index 0000000..36faae9
--- /dev/null
+++ b/src/GLES2/compiler/preprocessor/Macro.h
@@ -0,0 +1,44 @@
+//
+// Copyright (c) 2012 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+#ifndef COMPILER_PREPROCESSOR_MACRO_H_
+#define COMPILER_PREPROCESSOR_MACRO_H_
+
+#include <map>
+#include <string>
+#include <vector>
+
+namespace pp
+{
+
+struct Token;
+
+struct Macro
+{
+ enum Type
+ {
+ kTypeObj,
+ kTypeFunc
+ };
+ typedef std::vector<std::string> Parameters;
+ typedef std::vector<Token> Replacements;
+
+ Macro() : predefined(false), disabled(false), type(kTypeObj) { }
+ bool equals(const Macro& other) const;
+
+ bool predefined;
+ mutable bool disabled;
+
+ Type type;
+ std::string name;
+ Parameters parameters;
+ Replacements replacements;
+};
+
+typedef std::map<std::string, Macro> MacroSet;
+
+} // namespace pp
+#endif // COMPILER_PREPROCESSOR_MACRO_H_
diff --git a/src/GLES2/compiler/preprocessor/MacroExpander.cpp b/src/GLES2/compiler/preprocessor/MacroExpander.cpp
new file mode 100644
index 0000000..d8bbe8b
--- /dev/null
+++ b/src/GLES2/compiler/preprocessor/MacroExpander.cpp
@@ -0,0 +1,370 @@
+//
+// Copyright (c) 2011 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+#include "MacroExpander.h"
+
+#include <algorithm>
+#include <sstream>
+
+#include "Diagnostics.h"
+#include "Token.h"
+
+namespace pp
+{
+
+class TokenLexer : public Lexer
+{
+ public:
+ typedef std::vector<Token> TokenVector;
+
+ TokenLexer(TokenVector* tokens)
+ {
+ tokens->swap(mTokens);
+ mIter = mTokens.begin();
+ }
+
+ virtual void lex(Token* token)
+ {
+ if (mIter == mTokens.end())
+ {
+ token->reset();
+ token->type = Token::LAST;
+ }
+ else
+ {
+ *token = *mIter++;
+ }
+ }
+
+ private:
+ PP_DISALLOW_COPY_AND_ASSIGN(TokenLexer);
+
+ TokenVector mTokens;
+ TokenVector::const_iterator mIter;
+};
+
+MacroExpander::MacroExpander(Lexer* lexer,
+ MacroSet* macroSet,
+ Diagnostics* diagnostics) :
+ mLexer(lexer),
+ mMacroSet(macroSet),
+ mDiagnostics(diagnostics)
+{
+}
+
+MacroExpander::~MacroExpander()
+{
+ for (size_t i = 0; i < mContextStack.size(); ++i)
+ {
+ delete mContextStack[i];
+ }
+}
+
+void MacroExpander::lex(Token* token)
+{
+ while (true)
+ {
+ getToken(token);
+
+ if (token->type != Token::IDENTIFIER)
+ break;
+
+ if (token->expansionDisabled())
+ break;
+
+ MacroSet::const_iterator iter = mMacroSet->find(token->text);
+ if (iter == mMacroSet->end())
+ break;
+
+ const Macro& macro = iter->second;
+ if (macro.disabled)
+ {
+ // If a particular token is not expanded, it is never expanded.
+ token->setExpansionDisabled(true);
+ break;
+ }
+ if ((macro.type == Macro::kTypeFunc) && !isNextTokenLeftParen())
+ {
+ // If the token immediately after the macro name is not a '(',
+ // this macro should not be expanded.
+ break;
+ }
+
+ pushMacro(macro, *token);
+ }
+}
+
+void MacroExpander::getToken(Token* token)
+{
+ if (mReserveToken.get())
+ {
+ *token = *mReserveToken;
+ mReserveToken.reset();
+ return;
+ }
+
+ // First pop all empty macro contexts.
+ while (!mContextStack.empty() && mContextStack.back()->empty())
+ {
+ popMacro();
+ }
+
+ if (!mContextStack.empty())
+ {
+ *token = mContextStack.back()->get();
+ }
+ else
+ {
+ mLexer->lex(token);
+ }
+}
+
+void MacroExpander::ungetToken(const Token& token)
+{
+ if (!mContextStack.empty())
+ {
+ MacroContext* context = mContextStack.back();
+ context->unget();
+ assert(context->replacements[context->index] == token);
+ }
+ else
+ {
+ assert(!mReserveToken.get());
+ mReserveToken.reset(new Token(token));
+ }
+}
+
+bool MacroExpander::isNextTokenLeftParen()
+{
+ Token token;
+ getToken(&token);
+
+ bool lparen = token.type == '(';
+ ungetToken(token);
+
+ return lparen;
+}
+
+bool MacroExpander::pushMacro(const Macro& macro, const Token& identifier)
+{
+ assert(!macro.disabled);
+ assert(!identifier.expansionDisabled());
+ assert(identifier.type == Token::IDENTIFIER);
+ assert(identifier.text == macro.name);
+
+ std::vector<Token> replacements;
+ if (!expandMacro(macro, identifier, &replacements))
+ return false;
+
+ // Macro is disabled for expansion until it is popped off the stack.
+ macro.disabled = true;
+
+ MacroContext* context = new MacroContext;
+ context->macro = ¯o;
+ context->replacements.swap(replacements);
+ mContextStack.push_back(context);
+ return true;
+}
+
+void MacroExpander::popMacro()
+{
+ assert(!mContextStack.empty());
+
+ MacroContext* context = mContextStack.back();
+ mContextStack.pop_back();
+
+ assert(context->empty());
+ assert(context->macro->disabled);
+ context->macro->disabled = false;
+ delete context;
+}
+
+bool MacroExpander::expandMacro(const Macro& macro,
+ const Token& identifier,
+ std::vector<Token>* replacements)
+{
+ replacements->clear();
+ if (macro.type == Macro::kTypeObj)
+ {
+ replacements->assign(macro.replacements.begin(),
+ macro.replacements.end());
+
+ if (macro.predefined)
+ {
+ static const std::string kLine = "__LINE__";
+ static const std::string kFile = "__FILE__";
+
+ assert(replacements->size() == 1);
+ Token& repl = replacements->front();
+ if (macro.name == kLine)
+ {
+ std::ostringstream stream;
+ stream << identifier.location.line;
+ repl.text = stream.str();
+ }
+ else if (macro.name == kFile)
+ {
+ std::ostringstream stream;
+ stream << identifier.location.file;
+ repl.text = stream.str();
+ }
+ }
+ }
+ else
+ {
+ assert(macro.type == Macro::kTypeFunc);
+ std::vector<MacroArg> args;
+ args.reserve(macro.parameters.size());
+ if (!collectMacroArgs(macro, identifier, &args))
+ return false;
+
+ replaceMacroParams(macro, args, replacements);
+ }
+
+ for (size_t i = 0; i < replacements->size(); ++i)
+ {
+ Token& repl = replacements->at(i);
+ if (i == 0)
+ {
+ // The first token in the replacement list inherits the padding
+ // properties of the identifier token.
+ repl.setAtStartOfLine(identifier.atStartOfLine());
+ repl.setHasLeadingSpace(identifier.hasLeadingSpace());
+ }
+ repl.location = identifier.location;
+ }
+ return true;
+}
+
+bool MacroExpander::collectMacroArgs(const Macro& macro,
+ const Token& identifier,
+ std::vector<MacroArg>* args)
+{
+ Token token;
+ getToken(&token);
+ assert(token.type == '(');
+
+ args->push_back(MacroArg());
+ for (int openParens = 1; openParens != 0; )
+ {
+ getToken(&token);
+
+ if (token.type == Token::LAST)
+ {
+ mDiagnostics->report(Diagnostics::MACRO_UNTERMINATED_INVOCATION,
+ identifier.location, identifier.text);
+ // Do not lose EOF token.
+ ungetToken(token);
+ return false;
+ }
+
+ bool isArg = false; // True if token is part of the current argument.
+ switch (token.type)
+ {
+ case '(':
+ ++openParens;
+ isArg = true;
+ break;
+ case ')':
+ --openParens;
+ isArg = openParens != 0;
+ break;
+ case ',':
+ // The individual arguments are separated by comma tokens, but
+ // the comma tokens between matching inner parentheses do not
+ // seperate arguments.
+ if (openParens == 1) args->push_back(MacroArg());
+ isArg = openParens != 1;
+ break;
+ default:
+ isArg = true;
+ break;
+ }
+ if (isArg)
+ {
+ MacroArg& arg = args->back();
+ // Initial whitespace is not part of the argument.
+ if (arg.empty()) token.setHasLeadingSpace(false);
+ arg.push_back(token);
+ }
+ }
+
+ const Macro::Parameters& params = macro.parameters;
+ // If there is only one empty argument, it is equivalent to no argument.
+ if (params.empty() && (args->size() == 1) && args->front().empty())
+ {
+ args->clear();
+ }
+ // Validate the number of arguments.
+ if (args->size() != params.size())
+ {
+ Diagnostics::ID id = args->size() < macro.parameters.size() ?
+ Diagnostics::MACRO_TOO_FEW_ARGS :
+ Diagnostics::MACRO_TOO_MANY_ARGS;
+ mDiagnostics->report(id, identifier.location, identifier.text);
+ return false;
+ }
+
+ // Pre-expand each argument before substitution.
+ // This step expands each argument individually before they are
+ // inserted into the macro body.
+ for (size_t i = 0; i < args->size(); ++i)
+ {
+ MacroArg& arg = args->at(i);
+ TokenLexer lexer(&arg);
+ MacroExpander expander(&lexer, mMacroSet, mDiagnostics);
+
+ arg.clear();
+ expander.lex(&token);
+ while (token.type != Token::LAST)
+ {
+ arg.push_back(token);
+ expander.lex(&token);
+ }
+ }
+ return true;
+}
+
+void MacroExpander::replaceMacroParams(const Macro& macro,
+ const std::vector<MacroArg>& args,
+ std::vector<Token>* replacements)
+{
+ for (size_t i = 0; i < macro.replacements.size(); ++i)
+ {
+ const Token& repl = macro.replacements[i];
+ if (repl.type != Token::IDENTIFIER)
+ {
+ replacements->push_back(repl);
+ continue;
+ }
+
+ // TODO(alokp): Optimize this.
+ // There is no need to search for macro params every time.
+ // The param index can be cached with the replacement token.
+ Macro::Parameters::const_iterator iter = std::find(
+ macro.parameters.begin(), macro.parameters.end(), repl.text);
+ if (iter == macro.parameters.end())
+ {
+ replacements->push_back(repl);
+ continue;
+ }
+
+ size_t iArg = std::distance(macro.parameters.begin(), iter);
+ const MacroArg& arg = args[iArg];
+ if (arg.empty())
+ {
+ continue;
+ }
+ size_t iRepl = replacements->size();
+ replacements->insert(replacements->end(), arg.begin(), arg.end());
+ // The replacement token inherits padding properties from
+ // macro replacement token.
+ replacements->at(iRepl).setHasLeadingSpace(repl.hasLeadingSpace());
+ }
+}
+
+} // namespace pp
+
diff --git a/src/GLES2/compiler/preprocessor/MacroExpander.h b/src/GLES2/compiler/preprocessor/MacroExpander.h
new file mode 100644
index 0000000..b10b01f
--- /dev/null
+++ b/src/GLES2/compiler/preprocessor/MacroExpander.h
@@ -0,0 +1,75 @@
+//
+// Copyright (c) 2012 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+#ifndef COMPILER_PREPROCESSOR_MACRO_EXPANDER_H_
+#define COMPILER_PREPROCESSOR_MACRO_EXPANDER_H_
+
+#include <cassert>
+#include <memory>
+#include <vector>
+
+#include "Lexer.h"
+#include "Macro.h"
+#include "pp_utils.h"
+
+namespace pp
+{
+
+class Diagnostics;
+
+class MacroExpander : public Lexer
+{
+ public:
+ MacroExpander(Lexer* lexer, MacroSet* macroSet, Diagnostics* diagnostics);
+ virtual ~MacroExpander();
+
+ virtual void lex(Token* token);
+
+ private:
+ PP_DISALLOW_COPY_AND_ASSIGN(MacroExpander);
+
+ void getToken(Token* token);
+ void ungetToken(const Token& token);
+ bool isNextTokenLeftParen();
+
+ bool pushMacro(const Macro& macro, const Token& identifier);
+ void popMacro();
+
+ bool expandMacro(const Macro& macro,
+ const Token& identifier,
+ std::vector<Token>* replacements);
+
+ typedef std::vector<Token> MacroArg;
+ bool collectMacroArgs(const Macro& macro,
+ const Token& identifier,
+ std::vector<MacroArg>* args);
+ void replaceMacroParams(const Macro& macro,
+ const std::vector<MacroArg>& args,
+ std::vector<Token>* replacements);
+
+ struct MacroContext
+ {
+ const Macro* macro;
+ size_t index;
+ std::vector<Token> replacements;
+
+ MacroContext() : macro(0), index(0) { }
+ bool empty() const { return index == replacements.size(); }
+ const Token& get() { return replacements[index++]; }
+ void unget() { assert(index > 0); --index; }
+ };
+
+ Lexer* mLexer;
+ MacroSet* mMacroSet;
+ Diagnostics* mDiagnostics;
+
+ std::auto_ptr<Token> mReserveToken;
+ std::vector<MacroContext*> mContextStack;
+};
+
+} // namespace pp
+#endif // COMPILER_PREPROCESSOR_MACRO_EXPANDER_H_
+
diff --git a/src/GLES2/compiler/preprocessor/Preprocessor.cpp b/src/GLES2/compiler/preprocessor/Preprocessor.cpp
new file mode 100644
index 0000000..296c8aa
--- /dev/null
+++ b/src/GLES2/compiler/preprocessor/Preprocessor.cpp
@@ -0,0 +1,142 @@
+//
+// Copyright (c) 2011 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+#include "Preprocessor.h"
+
+#include <cassert>
+#include <sstream>
+
+#include "Diagnostics.h"
+#include "DirectiveParser.h"
+#include "Macro.h"
+#include "MacroExpander.h"
+#include "Token.h"
+#include "Tokenizer.h"
+
+namespace pp
+{
+
+struct PreprocessorImpl
+{
+ Diagnostics* diagnostics;
+ MacroSet macroSet;
+ Tokenizer tokenizer;
+ DirectiveParser directiveParser;
+ MacroExpander macroExpander;
+
+ PreprocessorImpl(Diagnostics* diag,
+ DirectiveHandler* directiveHandler) :
+ diagnostics(diag),
+ tokenizer(diag),
+ directiveParser(&tokenizer, ¯oSet, diag, directiveHandler),
+ macroExpander(&directiveParser, ¯oSet, diag)
+ {
+ }
+};
+
+Preprocessor::Preprocessor(Diagnostics* diagnostics,
+ DirectiveHandler* directiveHandler)
+{
+ mImpl = new PreprocessorImpl(diagnostics, directiveHandler);
+}
+
+Preprocessor::~Preprocessor()
+{
+ delete mImpl;
+}
+
+bool Preprocessor::init(int count,
+ const char* const string[],
+ const int length[])
+{
+ static const int kGLSLVersion = 100;
+
+ // Add standard pre-defined macros.
+ predefineMacro("__LINE__", 0);
+ predefineMacro("__FILE__", 0);
+ predefineMacro("__VERSION__", kGLSLVersion);
+ predefineMacro("GL_ES", 1);
+
+ return mImpl->tokenizer.init(count, string, length);
+}
+
+void Preprocessor::predefineMacro(const char* name, int value)
+{
+ std::ostringstream stream;
+ stream << value;
+
+ Token token;
+ token.type = Token::CONST_INT;
+ token.text = stream.str();
+
+ Macro macro;
+ macro.predefined = true;
+ macro.type = Macro::kTypeObj;
+ macro.name = name;
+ macro.replacements.push_back(token);
+
+ mImpl->macroSet[name] = macro;
+}
+
+void Preprocessor::lex(Token* token)
+{
+ bool validToken = false;
+ while (!validToken)
+ {
+ mImpl->macroExpander.lex(token);
+ switch (token->type)
+ {
+ // We should not be returning internal preprocessing tokens.
+ // Convert preprocessing tokens to compiler tokens or report
+ // diagnostics.
+ case Token::PP_HASH:
+ assert(false);
+ break;
+ case Token::CONST_INT:
+ {
+ int val = 0;
+ if (!token->iValue(&val))
+ {
+ // Do not mark the token as invalid.
+ // Just emit the diagnostic and reset value to 0.
+ mImpl->diagnostics->report(Diagnostics::INTEGER_OVERFLOW,
+ token->location, token->text);
+ token->text.assign("0");
+ }
+ validToken = true;
+ break;
+ }
+ case Token::CONST_FLOAT:
+ {
+ float val = 0;
+ if (!token->fValue(&val))
+ {
+ // Do not mark the token as invalid.
+ // Just emit the diagnostic and reset value to 0.0.
+ mImpl->diagnostics->report(Diagnostics::FLOAT_OVERFLOW,
+ token->location, token->text);
+ token->text.assign("0.0");
+ }
+ validToken = true;
+ break;
+ }
+ case Token::PP_NUMBER:
+ mImpl->diagnostics->report(Diagnostics::INVALID_NUMBER,
+ token->location, token->text);
+ break;
+ case Token::PP_OTHER:
+ mImpl->diagnostics->report(Diagnostics::INVALID_CHARACTER,
+ token->location, token->text);
+ break;
+ default:
+ validToken = true;
+ break;
+ }
+ }
+}
+
+} // namespace pp
+
diff --git a/src/GLES2/compiler/preprocessor/Preprocessor.h b/src/GLES2/compiler/preprocessor/Preprocessor.h
new file mode 100644
index 0000000..7a54da0
--- /dev/null
+++ b/src/GLES2/compiler/preprocessor/Preprocessor.h
@@ -0,0 +1,49 @@
+//
+// Copyright (c) 2011 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+#ifndef COMPILER_PREPROCESSOR_PREPROCESSOR_H_
+#define COMPILER_PREPROCESSOR_PREPROCESSOR_H_
+
+#include "pp_utils.h"
+
+namespace pp
+{
+
+class Diagnostics;
+class DirectiveHandler;
+struct PreprocessorImpl;
+struct Token;
+
+class Preprocessor
+{
+ public:
+ Preprocessor(Diagnostics* diagnostics, DirectiveHandler* directiveHandler);
+ ~Preprocessor();
+
+ // count: specifies the number of elements in the string and length arrays.
+ // string: specifies an array of pointers to strings.
+ // length: specifies an array of string lengths.
+ // If length is NULL, each string is assumed to be null terminated.
+ // If length is a value other than NULL, it points to an array containing
+ // a string length for each of the corresponding elements of string.
+ // Each element in the length array may contain the length of the
+ // corresponding string or a value less than 0 to indicate that the string
+ // is null terminated.
+ bool init(int count, const char* const string[], const int length[]);
+ // Adds a pre-defined macro.
+ void predefineMacro(const char* name, int value);
+
+ void lex(Token* token);
+
+ private:
+ PP_DISALLOW_COPY_AND_ASSIGN(Preprocessor);
+
+ PreprocessorImpl* mImpl;
+};
+
+} // namespace pp
+#endif // COMPILER_PREPROCESSOR_PREPROCESSOR_H_
+
diff --git a/src/GLES2/compiler/preprocessor/SourceLocation.h b/src/GLES2/compiler/preprocessor/SourceLocation.h
new file mode 100644
index 0000000..9c0d1d3
--- /dev/null
+++ b/src/GLES2/compiler/preprocessor/SourceLocation.h
@@ -0,0 +1,38 @@
+//
+// Copyright (c) 2012 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+#ifndef COMPILER_PREPROCESSOR_SOURCE_LOCATION_H_
+#define COMPILER_PREPROCESSOR_SOURCE_LOCATION_H_
+
+namespace pp
+{
+
+struct SourceLocation
+{
+ SourceLocation() : file(0), line(0) { }
+ SourceLocation(int f, int l) : file(f), line(l) { }
+
+ bool equals(const SourceLocation& other) const
+ {
+ return (file == other.file) && (line == other.line);
+ }
+
+ int file;
+ int line;
+};
+
+inline bool operator==(const SourceLocation& lhs, const SourceLocation& rhs)
+{
+ return lhs.equals(rhs);
+}
+
+inline bool operator!=(const SourceLocation& lhs, const SourceLocation& rhs)
+{
+ return !lhs.equals(rhs);
+}
+
+} // namespace pp
+#endif // COMPILER_PREPROCESSOR_SOURCE_LOCATION_H_
diff --git a/src/GLES2/compiler/preprocessor/Token.cpp b/src/GLES2/compiler/preprocessor/Token.cpp
new file mode 100644
index 0000000..a465aa1
--- /dev/null
+++ b/src/GLES2/compiler/preprocessor/Token.cpp
@@ -0,0 +1,83 @@
+//
+// Copyright (c) 2011 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+#include "Token.h"
+
+#include <cassert>
+
+#include "numeric_lex.h"
+
+namespace pp
+{
+
+void Token::reset()
+{
+ type = 0;
+ flags = 0;
+ location = SourceLocation();
+ text.clear();
+}
+
+bool Token::equals(const Token& other) const
+{
+ return (type == other.type) &&
+ (flags == other.flags) &&
+ (location == other.location) &&
+ (text == other.text);
+}
+
+void Token::setAtStartOfLine(bool start)
+{
+ if (start)
+ flags |= AT_START_OF_LINE;
+ else
+ flags &= ~AT_START_OF_LINE;
+}
+
+void Token::setHasLeadingSpace(bool space)
+{
+ if (space)
+ flags |= HAS_LEADING_SPACE;
+ else
+ flags &= ~HAS_LEADING_SPACE;
+}
+
+void Token::setExpansionDisabled(bool disable)
+{
+ if (disable)
+ flags |= EXPANSION_DISABLED;
+ else
+ flags &= ~EXPANSION_DISABLED;
+}
+
+bool Token::iValue(int* value) const
+{
+ assert(type == CONST_INT);
+ return numeric_lex_int(text, value);
+}
+
+bool Token::uValue(unsigned int* value) const
+{
+ assert(type == CONST_INT);
+ return numeric_lex_int(text, value);
+}
+
+bool Token::fValue(float* value) const
+{
+ assert(type == CONST_FLOAT);
+ return numeric_lex_float(text, value);
+}
+
+std::ostream& operator<<(std::ostream& out, const Token& token)
+{
+ if (token.hasLeadingSpace())
+ out << " ";
+
+ out << token.text;
+ return out;
+}
+
+} // namespace pp
diff --git a/src/GLES2/compiler/preprocessor/Token.h b/src/GLES2/compiler/preprocessor/Token.h
new file mode 100644
index 0000000..45b1129
--- /dev/null
+++ b/src/GLES2/compiler/preprocessor/Token.h
@@ -0,0 +1,106 @@
+//
+// Copyright (c) 2011 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+#ifndef COMPILER_PREPROCESSOR_TOKEN_H_
+#define COMPILER_PREPROCESSOR_TOKEN_H_
+
+#include <ostream>
+#include <string>
+
+#include "SourceLocation.h"
+
+namespace pp
+{
+
+struct Token
+{
+ enum Type
+ {
+ LAST = 0, // EOF.
+
+ IDENTIFIER = 258,
+
+ CONST_INT,
+ CONST_FLOAT,
+
+ OP_INC,
+ OP_DEC,
+ OP_LEFT,
+ OP_RIGHT,
+ OP_LE,
+ OP_GE,
+ OP_EQ,
+ OP_NE,
+ OP_AND,
+ OP_XOR,
+ OP_OR,
+ OP_ADD_ASSIGN,
+ OP_SUB_ASSIGN,
+ OP_MUL_ASSIGN,
+ OP_DIV_ASSIGN,
+ OP_MOD_ASSIGN,
+ OP_LEFT_ASSIGN,
+ OP_RIGHT_ASSIGN,
+ OP_AND_ASSIGN,
+ OP_XOR_ASSIGN,
+ OP_OR_ASSIGN,
+
+ // Preprocessing token types.
+ // These types are used by the preprocessor internally.
+ // Preprocessor clients must not depend or check for them.
+ PP_HASH,
+ PP_NUMBER,
+ PP_OTHER
+ };
+ enum Flags
+ {
+ AT_START_OF_LINE = 1 << 0,
+ HAS_LEADING_SPACE = 1 << 1,
+ EXPANSION_DISABLED = 1 << 2
+ };
+
+ Token() : type(0), flags(0) { }
+
+ void reset();
+ bool equals(const Token& other) const;
+
+ // Returns true if this is the first token on line.
+ // It disregards any leading whitespace.
+ bool atStartOfLine() const { return (flags & AT_START_OF_LINE) != 0; }
+ void setAtStartOfLine(bool start);
+
+ bool hasLeadingSpace() const { return (flags & HAS_LEADING_SPACE) != 0; }
+ void setHasLeadingSpace(bool space);
+
+ bool expansionDisabled() const { return (flags & EXPANSION_DISABLED) != 0; }
+ void setExpansionDisabled(bool disable);
+
+ // Converts text into numeric value for CONST_INT and CONST_FLOAT token.
+ // Returns false if the parsed value cannot fit into an int or float.
+ bool iValue(int* value) const;
+ bool uValue(unsigned int* value) const;
+ bool fValue(float* value) const;
+
+ int type;
+ unsigned int flags;
+ SourceLocation location;
+ std::string text;
+};
+
+inline bool operator==(const Token& lhs, const Token& rhs)
+{
+ return lhs.equals(rhs);
+}
+
+inline bool operator!=(const Token& lhs, const Token& rhs)
+{
+ return !lhs.equals(rhs);
+}
+
+extern std::ostream& operator<<(std::ostream& out, const Token& token);
+
+} // namepsace pp
+#endif // COMPILER_PREPROCESSOR_TOKEN_H_
diff --git a/src/GLES2/compiler/preprocessor/Tokenizer.cpp b/src/GLES2/compiler/preprocessor/Tokenizer.cpp
new file mode 100644
index 0000000..aecc06c
--- /dev/null
+++ b/src/GLES2/compiler/preprocessor/Tokenizer.cpp
@@ -0,0 +1,2370 @@
+#line 16 "./Tokenizer.l"
+//
+// Copyright (c) 2011 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+// This file is auto-generated by generate_parser.sh. DO NOT EDIT!
+
+
+
+#line 13 "./Tokenizer.cpp"
+
+#define YY_INT_ALIGNED short int
+
+/* A lexical scanner generated by flex */
+
+#define FLEX_SCANNER
+#define YY_FLEX_MAJOR_VERSION 2
+#define YY_FLEX_MINOR_VERSION 5
+#define YY_FLEX_SUBMINOR_VERSION 35
+#if YY_FLEX_SUBMINOR_VERSION > 0
+#define FLEX_BETA
+#endif
+
+/* First, we deal with platform-specific or compiler-specific issues. */
+
+/* begin standard C headers. */
+#include <stdio.h>
+#include <string.h>
+#include <errno.h>
+#include <stdlib.h>
+
+/* end standard C headers. */
+
+/* flex integer type definitions */
+
+#ifndef FLEXINT_H
+#define FLEXINT_H
+
+/* C99 systems have <inttypes.h>. Non-C99 systems may or may not. */
+
+#if defined (__STDC_VERSION__) && __STDC_VERSION__ >= 199901L
+
+/* C99 says to define __STDC_LIMIT_MACROS before including stdint.h,
+ * if you want the limit (max/min) macros for int types.
+ */
+#ifndef __STDC_LIMIT_MACROS
+#define __STDC_LIMIT_MACROS 1
+#endif
+
+#include <inttypes.h>
+typedef int8_t flex_int8_t;
+typedef uint8_t flex_uint8_t;
+typedef int16_t flex_int16_t;
+typedef uint16_t flex_uint16_t;
+typedef int32_t flex_int32_t;
+typedef uint32_t flex_uint32_t;
+#else
+typedef signed char flex_int8_t;
+typedef short int flex_int16_t;
+typedef int flex_int32_t;
+typedef unsigned char flex_uint8_t;
+typedef unsigned short int flex_uint16_t;
+typedef unsigned int flex_uint32_t;
+
+/* Limits of integral types. */
+#ifndef INT8_MIN
+#define INT8_MIN (-128)
+#endif
+#ifndef INT16_MIN
+#define INT16_MIN (-32767-1)
+#endif
+#ifndef INT32_MIN
+#define INT32_MIN (-2147483647-1)
+#endif
+#ifndef INT8_MAX
+#define INT8_MAX (127)
+#endif
+#ifndef INT16_MAX
+#define INT16_MAX (32767)
+#endif
+#ifndef INT32_MAX
+#define INT32_MAX (2147483647)
+#endif
+#ifndef UINT8_MAX
+#define UINT8_MAX (255U)
+#endif
+#ifndef UINT16_MAX
+#define UINT16_MAX (65535U)
+#endif
+#ifndef UINT32_MAX
+#define UINT32_MAX (4294967295U)
+#endif
+
+#endif /* ! C99 */
+
+#endif /* ! FLEXINT_H */
+
+#ifdef __cplusplus
+
+/* The "const" storage-class-modifier is valid. */
+#define YY_USE_CONST
+
+#else /* ! __cplusplus */
+
+/* C99 requires __STDC__ to be defined as 1. */
+#if defined (__STDC__)
+
+#define YY_USE_CONST
+
+#endif /* defined (__STDC__) */
+#endif /* ! __cplusplus */
+
+#ifdef YY_USE_CONST
+#define yyconst const
+#else
+#define yyconst
+#endif
+
+/* Returned upon end-of-file. */
+#define YY_NULL 0
+
+/* Promotes a possibly negative, possibly signed char to an unsigned
+ * integer for use as an array index. If the signed char is negative,
+ * we want to instead treat it as an 8-bit unsigned char, hence the
+ * double cast.
+ */
+#define YY_SC_TO_UI(c) ((unsigned int) (unsigned char) c)
+
+/* An opaque pointer. */
+#ifndef YY_TYPEDEF_YY_SCANNER_T
+#define YY_TYPEDEF_YY_SCANNER_T
+typedef void* yyscan_t;
+#endif
+
+/* For convenience, these vars (plus the bison vars far below)
+ are macros in the reentrant scanner. */
+#define yyin yyg->yyin_r
+#define yyout yyg->yyout_r
+#define yyextra yyg->yyextra_r
+#define yyleng yyg->yyleng_r
+#define yytext yyg->yytext_r
+#define yylineno (YY_CURRENT_BUFFER_LVALUE->yy_bs_lineno)
+#define yycolumn (YY_CURRENT_BUFFER_LVALUE->yy_bs_column)
+#define yy_flex_debug yyg->yy_flex_debug_r
+
+/* Enter a start condition. This macro really ought to take a parameter,
+ * but we do it the disgusting crufty way forced on us by the ()-less
+ * definition of BEGIN.
+ */
+#define BEGIN yyg->yy_start = 1 + 2 *
+
+/* Translate the current start state into a value that can be later handed
+ * to BEGIN to return to the state. The YYSTATE alias is for lex
+ * compatibility.
+ */
+#define YY_START ((yyg->yy_start - 1) / 2)
+#define YYSTATE YY_START
+
+/* Action number for EOF rule of a given start state. */
+#define YY_STATE_EOF(state) (YY_END_OF_BUFFER + state + 1)
+
+/* Special action meaning "start processing a new file". */
+#define YY_NEW_FILE pprestart(yyin ,yyscanner )
+
+#define YY_END_OF_BUFFER_CHAR 0
+
+/* Size of default input buffer. */
+#ifndef YY_BUF_SIZE
+#ifdef __ia64__
+/* On IA-64, the buffer size is 16k, not 8k.
+ * Moreover, YY_BUF_SIZE is 2*YY_READ_BUF_SIZE in the general case.
+ * Ditto for the __ia64__ case accordingly.
+ */
+#define YY_BUF_SIZE 32768
+#else
+#define YY_BUF_SIZE 16384
+#endif /* __ia64__ */
+#endif
+
+/* The state buf must be large enough to hold one state per character in the main buffer.
+ */
+#define YY_STATE_BUF_SIZE ((YY_BUF_SIZE + 2) * sizeof(yy_state_type))
+
+#ifndef YY_TYPEDEF_YY_BUFFER_STATE
+#define YY_TYPEDEF_YY_BUFFER_STATE
+typedef struct yy_buffer_state *YY_BUFFER_STATE;
+#endif
+
+#define EOB_ACT_CONTINUE_SCAN 0
+#define EOB_ACT_END_OF_FILE 1
+#define EOB_ACT_LAST_MATCH 2
+
+ #define YY_LESS_LINENO(n)
+
+/* Return all but the first "n" matched characters back to the input stream. */
+#define yyless(n) \
+ do \
+ { \
+ /* Undo effects of setting up yytext. */ \
+ int yyless_macro_arg = (n); \
+ YY_LESS_LINENO(yyless_macro_arg);\
+ *yy_cp = yyg->yy_hold_char; \
+ YY_RESTORE_YY_MORE_OFFSET \
+ yyg->yy_c_buf_p = yy_cp = yy_bp + yyless_macro_arg - YY_MORE_ADJ; \
+ YY_DO_BEFORE_ACTION; /* set up yytext again */ \
+ } \
+ while ( 0 )
+
+#define unput(c) yyunput( c, yyg->yytext_ptr , yyscanner )
+
+#ifndef YY_TYPEDEF_YY_SIZE_T
+#define YY_TYPEDEF_YY_SIZE_T
+typedef size_t yy_size_t;
+#endif
+
+#ifndef YY_STRUCT_YY_BUFFER_STATE
+#define YY_STRUCT_YY_BUFFER_STATE
+struct yy_buffer_state
+ {
+ FILE *yy_input_file;
+
+ char *yy_ch_buf; /* input buffer */
+ char *yy_buf_pos; /* current position in input buffer */
+
+ /* Size of input buffer in bytes, not including room for EOB
+ * characters.
+ */
+ yy_size_t yy_buf_size;
+
+ /* Number of characters read into yy_ch_buf, not including EOB
+ * characters.
+ */
+ int yy_n_chars;
+
+ /* Whether we "own" the buffer - i.e., we know we created it,
+ * and can realloc() it to grow it, and should free() it to
+ * delete it.
+ */
+ int yy_is_our_buffer;
+
+ /* Whether this is an "interactive" input source; if so, and
+ * if we're using stdio for input, then we want to use getc()
+ * instead of fread(), to make sure we stop fetching input after
+ * each newline.
+ */
+ int yy_is_interactive;
+
+ /* Whether we're considered to be at the beginning of a line.
+ * If so, '^' rules will be active on the next match, otherwise
+ * not.
+ */
+ int yy_at_bol;
+
+ int yy_bs_lineno; /**< The line count. */
+ int yy_bs_column; /**< The column count. */
+
+ /* Whether to try to fill the input buffer when we reach the
+ * end of it.
+ */
+ int yy_fill_buffer;
+
+ int yy_buffer_status;
+
+#define YY_BUFFER_NEW 0
+#define YY_BUFFER_NORMAL 1
+ /* When an EOF's been seen but there's still some text to process
+ * then we mark the buffer as YY_EOF_PENDING, to indicate that we
+ * shouldn't try reading from the input source any more. We might
+ * still have a bunch of tokens to match, though, because of
+ * possible backing-up.
+ *
+ * When we actually see the EOF, we change the status to "new"
+ * (via pprestart()), so that the user can continue scanning by
+ * just pointing yyin at a new input file.
+ */
+#define YY_BUFFER_EOF_PENDING 2
+
+ };
+#endif /* !YY_STRUCT_YY_BUFFER_STATE */
+
+/* We provide macros for accessing buffer states in case in the
+ * future we want to put the buffer states in a more general
+ * "scanner state".
+ *
+ * Returns the top of the stack, or NULL.
+ */
+#define YY_CURRENT_BUFFER ( yyg->yy_buffer_stack \
+ ? yyg->yy_buffer_stack[yyg->yy_buffer_stack_top] \
+ : NULL)
+
+/* Same as previous macro, but useful when we know that the buffer stack is not
+ * NULL or when we need an lvalue. For internal use only.
+ */
+#define YY_CURRENT_BUFFER_LVALUE yyg->yy_buffer_stack[yyg->yy_buffer_stack_top]
+
+void pprestart (FILE *input_file ,yyscan_t yyscanner );
+void pp_switch_to_buffer (YY_BUFFER_STATE new_buffer ,yyscan_t yyscanner );
+YY_BUFFER_STATE pp_create_buffer (FILE *file,int size ,yyscan_t yyscanner );
+void pp_delete_buffer (YY_BUFFER_STATE b ,yyscan_t yyscanner );
+void pp_flush_buffer (YY_BUFFER_STATE b ,yyscan_t yyscanner );
+void pppush_buffer_state (YY_BUFFER_STATE new_buffer ,yyscan_t yyscanner );
+void pppop_buffer_state (yyscan_t yyscanner );
+
+static void ppensure_buffer_stack (yyscan_t yyscanner );
+static void pp_load_buffer_state (yyscan_t yyscanner );
+static void pp_init_buffer (YY_BUFFER_STATE b,FILE *file ,yyscan_t yyscanner );
+
+#define YY_FLUSH_BUFFER pp_flush_buffer(YY_CURRENT_BUFFER ,yyscanner)
+
+YY_BUFFER_STATE pp_scan_buffer (char *base,yy_size_t size ,yyscan_t yyscanner );
+YY_BUFFER_STATE pp_scan_string (yyconst char *yy_str ,yyscan_t yyscanner );
+YY_BUFFER_STATE pp_scan_bytes (yyconst char *bytes,int len ,yyscan_t yyscanner );
+
+void *ppalloc (yy_size_t ,yyscan_t yyscanner );
+void *pprealloc (void *,yy_size_t ,yyscan_t yyscanner );
+void ppfree (void * ,yyscan_t yyscanner );
+
+#define yy_new_buffer pp_create_buffer
+
+#define yy_set_interactive(is_interactive) \
+ { \
+ if ( ! YY_CURRENT_BUFFER ){ \
+ ppensure_buffer_stack (yyscanner); \
+ YY_CURRENT_BUFFER_LVALUE = \
+ pp_create_buffer(yyin,YY_BUF_SIZE ,yyscanner); \
+ } \
+ YY_CURRENT_BUFFER_LVALUE->yy_is_interactive = is_interactive; \
+ }
+
+#define yy_set_bol(at_bol) \
+ { \
+ if ( ! YY_CURRENT_BUFFER ){\
+ ppensure_buffer_stack (yyscanner); \
+ YY_CURRENT_BUFFER_LVALUE = \
+ pp_create_buffer(yyin,YY_BUF_SIZE ,yyscanner); \
+ } \
+ YY_CURRENT_BUFFER_LVALUE->yy_at_bol = at_bol; \
+ }
+
+#define YY_AT_BOL() (YY_CURRENT_BUFFER_LVALUE->yy_at_bol)
+
+/* Begin user sect3 */
+
+#define ppwrap(n) 1
+#define YY_SKIP_YYWRAP
+
+typedef unsigned char YY_CHAR;
+
+typedef int yy_state_type;
+
+#define yytext_ptr yytext_r
+
+static yy_state_type yy_get_previous_state (yyscan_t yyscanner );
+static yy_state_type yy_try_NUL_trans (yy_state_type current_state ,yyscan_t yyscanner);
+static int yy_get_next_buffer (yyscan_t yyscanner );
+static void yy_fatal_error (yyconst char msg[] ,yyscan_t yyscanner );
+
+/* Done after the current pattern has been matched and before the
+ * corresponding action - sets up yytext.
+ */
+#define YY_DO_BEFORE_ACTION \
+ yyg->yytext_ptr = yy_bp; \
+ yyleng = (size_t) (yy_cp - yy_bp); \
+ yyg->yy_hold_char = *yy_cp; \
+ *yy_cp = '\0'; \
+ yyg->yy_c_buf_p = yy_cp;
+
+#define YY_NUM_RULES 37
+#define YY_END_OF_BUFFER 38
+/* This struct is not used in this scanner,
+ but its presence is necessary. */
+struct yy_trans_info
+ {
+ flex_int32_t yy_verify;
+ flex_int32_t yy_nxt;
+ };
+static yyconst flex_int16_t yy_accept[84] =
+ { 0,
+ 0, 0, 0, 0, 38, 36, 34, 35, 35, 33,
+ 7, 33, 33, 33, 33, 33, 33, 33, 33, 9,
+ 9, 33, 33, 33, 8, 33, 33, 3, 5, 5,
+ 4, 34, 35, 19, 27, 20, 30, 25, 12, 23,
+ 13, 24, 10, 2, 1, 26, 10, 9, 11, 11,
+ 11, 11, 9, 14, 16, 18, 17, 15, 8, 31,
+ 21, 32, 22, 3, 5, 6, 11, 10, 11, 1,
+ 10, 11, 0, 10, 9, 28, 29, 0, 10, 10,
+ 10, 10, 0
+ } ;
+
+static yyconst flex_int32_t yy_ec[256] =
+ { 0,
+ 1, 1, 1, 1, 1, 1, 1, 1, 2, 3,
+ 2, 2, 4, 1, 1, 1, 1, 1, 1, 1,
+ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+ 1, 2, 5, 1, 6, 1, 7, 8, 1, 9,
+ 9, 10, 11, 9, 12, 13, 14, 15, 16, 16,
+ 16, 16, 16, 16, 16, 17, 17, 9, 9, 18,
+ 19, 20, 9, 1, 21, 21, 21, 21, 22, 21,
+ 23, 23, 23, 23, 23, 23, 23, 23, 23, 23,
+ 23, 23, 23, 23, 23, 23, 23, 24, 23, 23,
+ 9, 1, 9, 25, 23, 1, 21, 21, 21, 21,
+
+ 22, 21, 23, 23, 23, 23, 23, 23, 23, 23,
+ 23, 23, 23, 23, 23, 23, 23, 23, 23, 24,
+ 23, 23, 9, 26, 9, 9, 1, 1, 1, 1,
+ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+
+ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+ 1, 1, 1, 1, 1
+ } ;
+
+static yyconst flex_int32_t yy_meta[27] =
+ { 0,
+ 1, 1, 2, 2, 1, 1, 1, 1, 1, 3,
+ 1, 1, 4, 1, 5, 5, 5, 1, 1, 1,
+ 5, 5, 5, 5, 1, 1
+ } ;
+
+static yyconst flex_int16_t yy_base[89] =
+ { 0,
+ 0, 0, 24, 26, 158, 159, 150, 159, 145, 128,
+ 159, 112, 23, 159, 111, 21, 25, 30, 29, 36,
+ 46, 36, 100, 45, 0, 16, 47, 0, 159, 84,
+ 65, 73, 159, 159, 159, 159, 159, 159, 159, 159,
+ 159, 159, 61, 159, 0, 159, 73, 32, 56, 83,
+ 95, 68, 0, 31, 159, 159, 159, 19, 0, 159,
+ 159, 159, 159, 0, 159, 159, 98, 0, 110, 0,
+ 0, 117, 52, 90, 80, 159, 159, 101, 97, 112,
+ 120, 123, 159, 140, 28, 145, 150, 152
+ } ;
+
+static yyconst flex_int16_t yy_def[89] =
+ { 0,
+ 83, 1, 84, 84, 83, 83, 83, 83, 83, 83,
+ 83, 83, 83, 83, 83, 83, 83, 83, 83, 83,
+ 20, 83, 83, 83, 85, 83, 83, 86, 83, 83,
+ 83, 83, 83, 83, 83, 83, 83, 83, 83, 83,
+ 83, 83, 83, 83, 87, 83, 83, 20, 20, 47,
+ 50, 88, 21, 83, 83, 83, 83, 83, 85, 83,
+ 83, 83, 83, 86, 83, 83, 43, 43, 67, 87,
+ 47, 50, 83, 51, 88, 83, 83, 83, 69, 72,
+ 83, 83, 0, 83, 83, 83, 83, 83
+ } ;
+
+static yyconst flex_int16_t yy_nxt[186] =
+ { 0,
+ 6, 7, 8, 9, 10, 11, 12, 13, 14, 15,
+ 16, 17, 18, 19, 20, 21, 21, 22, 23, 24,
+ 25, 25, 25, 25, 26, 27, 29, 30, 29, 30,
+ 36, 39, 59, 31, 60, 31, 41, 77, 44, 40,
+ 61, 37, 45, 42, 43, 43, 43, 46, 47, 76,
+ 48, 48, 49, 54, 55, 50, 50, 51, 50, 52,
+ 53, 53, 53, 57, 58, 62, 81, 81, 81, 50,
+ 49, 49, 63, 67, 32, 68, 68, 68, 66, 50,
+ 50, 67, 69, 67, 67, 50, 65, 71, 71, 71,
+ 50, 50, 50, 50, 72, 50, 50, 50, 50, 50,
+
+ 83, 83, 50, 50, 50, 73, 73, 83, 83, 74,
+ 74, 74, 67, 67, 67, 82, 82, 82, 56, 67,
+ 78, 78, 83, 83, 79, 79, 79, 78, 78, 38,
+ 35, 80, 80, 80, 81, 81, 81, 82, 82, 82,
+ 28, 28, 28, 28, 28, 64, 34, 33, 64, 64,
+ 70, 32, 70, 70, 70, 75, 75, 83, 5, 83,
+ 83, 83, 83, 83, 83, 83, 83, 83, 83, 83,
+ 83, 83, 83, 83, 83, 83, 83, 83, 83, 83,
+ 83, 83, 83, 83, 83
+ } ;
+
+static yyconst flex_int16_t yy_chk[186] =
+ { 0,
+ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+ 1, 1, 1, 1, 1, 1, 3, 3, 4, 4,
+ 13, 16, 85, 3, 26, 4, 17, 58, 19, 16,
+ 26, 13, 19, 17, 18, 18, 18, 19, 20, 54,
+ 20, 20, 20, 22, 22, 48, 20, 20, 20, 20,
+ 21, 21, 21, 24, 24, 27, 73, 73, 73, 21,
+ 49, 49, 27, 43, 32, 43, 43, 43, 31, 49,
+ 52, 43, 43, 43, 43, 47, 30, 47, 47, 47,
+ 52, 52, 75, 47, 47, 47, 47, 50, 50, 50,
+
+ 74, 74, 75, 75, 50, 51, 51, 79, 79, 51,
+ 51, 51, 67, 67, 67, 78, 78, 78, 23, 67,
+ 69, 69, 80, 80, 69, 69, 69, 72, 72, 15,
+ 12, 72, 72, 72, 81, 81, 81, 82, 82, 82,
+ 84, 84, 84, 84, 84, 86, 10, 9, 86, 86,
+ 87, 7, 87, 87, 87, 88, 88, 5, 83, 83,
+ 83, 83, 83, 83, 83, 83, 83, 83, 83, 83,
+ 83, 83, 83, 83, 83, 83, 83, 83, 83, 83,
+ 83, 83, 83, 83, 83
+ } ;
+
+/* The intent behind this definition is that it'll catch
+ * any uses of REJECT which flex missed.
+ */
+#define REJECT reject_used_but_not_detected
+#define yymore() yymore_used_but_not_detected
+#define YY_MORE_ADJ 0
+#define YY_RESTORE_YY_MORE_OFFSET
+/*
+//
+// Copyright (c) 2002-2011 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+This file contains the Lex specification for GLSL ES preprocessor.
+Based on Microsoft Visual Studio 2010 Preprocessor Grammar:
+http://msdn.microsoft.com/en-us/library/2scxys89.aspx
+
+IF YOU MODIFY THIS FILE YOU ALSO NEED TO RUN generate_parser.sh.
+*/
+
+#include "Tokenizer.h"
+
+#include "Diagnostics.h"
+#include "Token.h"
+
+#if defined(__GNUC__)
+// Triggered by the auto-generated yy_fatal_error function.
+#pragma GCC diagnostic ignored "-Wmissing-noreturn"
+#endif
+
+typedef std::string YYSTYPE;
+typedef pp::SourceLocation YYLTYPE;
+
+// Use the unused yycolumn variable to track file (string) number.
+#define yyfileno yycolumn
+
+#define YY_USER_INIT \
+ do { \
+ yyfileno = 0; \
+ yylineno = 1; \
+ yyextra->leadingSpace = false; \
+ yyextra->lineStart = true; \
+ } while(0);
+
+#define YY_USER_ACTION \
+ do \
+ { \
+ pp::Input* input = &yyextra->input; \
+ pp::Input::Location* scanLoc = &yyextra->scanLoc; \
+ while ((scanLoc->sIndex < input->count()) && \
+ (scanLoc->cIndex >= input->length(scanLoc->sIndex))) \
+ { \
+ scanLoc->cIndex -= input->length(scanLoc->sIndex++); \
+ ++yyfileno; yylineno = 1; \
+ } \
+ yylloc->file = yyfileno; \
+ yylloc->line = yylineno; \
+ scanLoc->cIndex += yyleng; \
+ } while(0);
+
+#define YY_INPUT(buf, result, maxSize) \
+ result = yyextra->input.read(buf, maxSize);
+
+#define INITIAL 0
+#define COMMENT 1
+
+#define YY_EXTRA_TYPE pp::Tokenizer::Context*
+
+/* Holds the entire state of the reentrant scanner. */
+struct yyguts_t
+ {
+
+ /* User-defined. Not touched by flex. */
+ YY_EXTRA_TYPE yyextra_r;
+
+ /* The rest are the same as the globals declared in the non-reentrant scanner. */
+ FILE *yyin_r, *yyout_r;
+ size_t yy_buffer_stack_top; /**< index of top of stack. */
+ size_t yy_buffer_stack_max; /**< capacity of stack. */
+ YY_BUFFER_STATE * yy_buffer_stack; /**< Stack as an array. */
+ char yy_hold_char;
+ int yy_n_chars;
+ int yyleng_r;
+ char *yy_c_buf_p;
+ int yy_init;
+ int yy_start;
+ int yy_did_buffer_switch_on_eof;
+ int yy_start_stack_ptr;
+ int yy_start_stack_depth;
+ int *yy_start_stack;
+ yy_state_type yy_last_accepting_state;
+ char* yy_last_accepting_cpos;
+
+ int yylineno_r;
+ int yy_flex_debug_r;
+
+ char *yytext_r;
+ int yy_more_flag;
+ int yy_more_len;
+
+ YYSTYPE * yylval_r;
+
+ YYLTYPE * yylloc_r;
+
+ }; /* end struct yyguts_t */
+
+static int yy_init_globals (yyscan_t yyscanner );
+
+ /* This must go here because YYSTYPE and YYLTYPE are included
+ * from bison output in section 1.*/
+ # define yylval yyg->yylval_r
+
+ # define yylloc yyg->yylloc_r
+
+int pplex_init (yyscan_t* scanner);
+
+int pplex_init_extra (YY_EXTRA_TYPE user_defined,yyscan_t* scanner);
+
+/* Accessor methods to globals.
+ These are made visible to non-reentrant scanners for convenience. */
+
+int pplex_destroy (yyscan_t yyscanner );
+
+int ppget_debug (yyscan_t yyscanner );
+
+void ppset_debug (int debug_flag ,yyscan_t yyscanner );
+
+YY_EXTRA_TYPE ppget_extra (yyscan_t yyscanner );
+
+void ppset_extra (YY_EXTRA_TYPE user_defined ,yyscan_t yyscanner );
+
+FILE *ppget_in (yyscan_t yyscanner );
+
+void ppset_in (FILE * in_str ,yyscan_t yyscanner );
+
+FILE *ppget_out (yyscan_t yyscanner );
+
+void ppset_out (FILE * out_str ,yyscan_t yyscanner );
+
+int ppget_leng (yyscan_t yyscanner );
+
+char *ppget_text (yyscan_t yyscanner );
+
+int ppget_lineno (yyscan_t yyscanner );
+
+void ppset_lineno (int line_number ,yyscan_t yyscanner );
+
+YYSTYPE * ppget_lval (yyscan_t yyscanner );
+
+void ppset_lval (YYSTYPE * yylval_param ,yyscan_t yyscanner );
+
+ YYLTYPE *ppget_lloc (yyscan_t yyscanner );
+
+ void ppset_lloc (YYLTYPE * yylloc_param ,yyscan_t yyscanner );
+
+/* Macros after this point can all be overridden by user definitions in
+ * section 1.
+ */
+
+#ifndef YY_SKIP_YYWRAP
+#ifdef __cplusplus
+extern "C" int ppwrap (yyscan_t yyscanner );
+#else
+extern int ppwrap (yyscan_t yyscanner );
+#endif
+#endif
+
+#ifndef yytext_ptr
+static void yy_flex_strncpy (char *,yyconst char *,int ,yyscan_t yyscanner);
+#endif
+
+#ifdef YY_NEED_STRLEN
+static int yy_flex_strlen (yyconst char * ,yyscan_t yyscanner);
+#endif
+
+#ifndef YY_NO_INPUT
+
+#ifdef __cplusplus
+static int yyinput (yyscan_t yyscanner );
+#else
+static int input (yyscan_t yyscanner );
+#endif
+
+#endif
+
+/* Amount of stuff to slurp up with each read. */
+#ifndef YY_READ_BUF_SIZE
+#ifdef __ia64__
+/* On IA-64, the buffer size is 16k, not 8k */
+#define YY_READ_BUF_SIZE 16384
+#else
+#define YY_READ_BUF_SIZE 8192
+#endif /* __ia64__ */
+#endif
+
+/* Copy whatever the last rule matched to the standard output. */
+#ifndef ECHO
+/* This used to be an fputs(), but since the string might contain NUL's,
+ * we now use fwrite().
+ */
+#define ECHO do { if (fwrite( yytext, yyleng, 1, yyout )) {} } while (0)
+#endif
+
+/* Gets input and stuffs it into "buf". number of characters read, or YY_NULL,
+ * is returned in "result".
+ */
+#ifndef YY_INPUT
+#define YY_INPUT(buf,result,max_size) \
+ if ( YY_CURRENT_BUFFER_LVALUE->yy_is_interactive ) \
+ { \
+ int c = '*'; \
+ size_t n; \
+ for ( n = 0; n < max_size && \
+ (c = getc( yyin )) != EOF && c != '\n'; ++n ) \
+ buf[n] = (char) c; \
+ if ( c == '\n' ) \
+ buf[n++] = (char) c; \
+ if ( c == EOF && ferror( yyin ) ) \
+ YY_FATAL_ERROR( "input in flex scanner failed" ); \
+ result = n; \
+ } \
+ else \
+ { \
+ errno=0; \
+ while ( (result = fread(buf, 1, max_size, yyin))==0 && ferror(yyin)) \
+ { \
+ if( errno != EINTR) \
+ { \
+ YY_FATAL_ERROR( "input in flex scanner failed" ); \
+ break; \
+ } \
+ errno=0; \
+ clearerr(yyin); \
+ } \
+ }\
+\
+
+#endif
+
+/* No semi-colon after return; correct usage is to write "yyterminate();" -
+ * we don't want an extra ';' after the "return" because that will cause
+ * some compilers to complain about unreachable statements.
+ */
+#ifndef yyterminate
+#define yyterminate() return YY_NULL
+#endif
+
+/* Number of entries by which start-condition stack grows. */
+#ifndef YY_START_STACK_INCR
+#define YY_START_STACK_INCR 25
+#endif
+
+/* Report a fatal error. */
+#ifndef YY_FATAL_ERROR
+#define YY_FATAL_ERROR(msg) yy_fatal_error( msg , yyscanner)
+#endif
+
+/* end tables serialization structures and prototypes */
+
+/* Default declaration of generated scanner - a define so the user can
+ * easily add parameters.
+ */
+#ifndef YY_DECL
+#define YY_DECL_IS_OURS 1
+
+extern int pplex \
+ (YYSTYPE * yylval_param,YYLTYPE * yylloc_param ,yyscan_t yyscanner);
+
+#define YY_DECL int pplex \
+ (YYSTYPE * yylval_param, YYLTYPE * yylloc_param , yyscan_t yyscanner)
+#endif /* !YY_DECL */
+
+/* Code executed at the beginning of each rule, after yytext and yyleng
+ * have been set up.
+ */
+#ifndef YY_USER_ACTION
+#define YY_USER_ACTION
+#endif
+
+/* Code executed at the end of each rule. */
+#ifndef YY_BREAK
+#define YY_BREAK break;
+#endif
+
+#define YY_RULE_SETUP \
+ YY_USER_ACTION
+
+/** The main scanner function which does all the work.
+ */
+YY_DECL
+{
+ register yy_state_type yy_current_state;
+ register char *yy_cp, *yy_bp;
+ register int yy_act;
+ struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
+
+ /* Line comment */
+
+ yylval = yylval_param;
+
+ yylloc = yylloc_param;
+
+ if ( !yyg->yy_init )
+ {
+ yyg->yy_init = 1;
+
+#ifdef YY_USER_INIT
+ YY_USER_INIT;
+#endif
+
+ if ( ! yyg->yy_start )
+ yyg->yy_start = 1; /* first start state */
+
+ if ( ! yyin )
+ yyin = stdin;
+
+ if ( ! yyout )
+ yyout = stdout;
+
+ if ( ! YY_CURRENT_BUFFER ) {
+ ppensure_buffer_stack (yyscanner);
+ YY_CURRENT_BUFFER_LVALUE =
+ pp_create_buffer(yyin,YY_BUF_SIZE ,yyscanner);
+ }
+
+ pp_load_buffer_state(yyscanner );
+ }
+
+ while ( 1 ) /* loops until end-of-file is reached */
+ {
+ yy_cp = yyg->yy_c_buf_p;
+
+ /* Support of yytext. */
+ *yy_cp = yyg->yy_hold_char;
+
+ /* yy_bp points to the position in yy_ch_buf of the start of
+ * the current run.
+ */
+ yy_bp = yy_cp;
+
+ yy_current_state = yyg->yy_start;
+yy_match:
+ do
+ {
+ register YY_CHAR yy_c = yy_ec[YY_SC_TO_UI(*yy_cp)];
+ if ( yy_accept[yy_current_state] )
+ {
+ yyg->yy_last_accepting_state = yy_current_state;
+ yyg->yy_last_accepting_cpos = yy_cp;
+ }
+ while ( yy_chk[yy_base[yy_current_state] + yy_c] != yy_current_state )
+ {
+ yy_current_state = (int) yy_def[yy_current_state];
+ if ( yy_current_state >= 84 )
+ yy_c = yy_meta[(unsigned int) yy_c];
+ }
+ yy_current_state = yy_nxt[yy_base[yy_current_state] + (unsigned int) yy_c];
+ ++yy_cp;
+ }
+ while ( yy_current_state != 83 );
+ yy_cp = yyg->yy_last_accepting_cpos;
+ yy_current_state = yyg->yy_last_accepting_state;
+
+yy_find_action:
+ yy_act = yy_accept[yy_current_state];
+
+ YY_DO_BEFORE_ACTION;
+
+do_action: /* This label is used only to access EOF actions. */
+
+ switch ( yy_act )
+ { /* beginning of action switch */
+ case 0: /* must back up */
+ /* undo the effects of YY_DO_BEFORE_ACTION */
+ *yy_cp = yyg->yy_hold_char;
+ yy_cp = yyg->yy_last_accepting_cpos;
+ yy_current_state = yyg->yy_last_accepting_state;
+ goto yy_find_action;
+
+case 1:
+YY_RULE_SETUP
+
+ YY_BREAK
+/* Block comment */
+/* Line breaks are just counted - not returned. */
+/* The comment is replaced by a single space. */
+case 2:
+YY_RULE_SETUP
+{ BEGIN(COMMENT); }
+ YY_BREAK
+case 3:
+YY_RULE_SETUP
+
+ YY_BREAK
+case 4:
+YY_RULE_SETUP
+
+ YY_BREAK
+case 5:
+/* rule 5 can match eol */
+YY_RULE_SETUP
+{ ++yylineno; }
+ YY_BREAK
+case 6:
+YY_RULE_SETUP
+{
+ yyextra->leadingSpace = true;
+ BEGIN(INITIAL);
+}
+ YY_BREAK
+case 7:
+YY_RULE_SETUP
+{
+ // # is only valid at start of line for preprocessor directives.
+ yylval->assign(1, yytext[0]);
+ return yyextra->lineStart ? pp::Token::PP_HASH : pp::Token::PP_OTHER;
+}
+ YY_BREAK
+case 8:
+YY_RULE_SETUP
+{
+ yylval->assign(yytext, yyleng);
+ return pp::Token::IDENTIFIER;
+}
+ YY_BREAK
+case 9:
+YY_RULE_SETUP
+{
+ yylval->assign(yytext, yyleng);
+ return pp::Token::CONST_INT;
+}
+ YY_BREAK
+case 10:
+YY_RULE_SETUP
+{
+ yylval->assign(yytext, yyleng);
+ return pp::Token::CONST_FLOAT;
+}
+ YY_BREAK
+/* Anything that starts with a {DIGIT} or .{DIGIT} must be a number. */
+/* Rule to catch all invalid integers and floats. */
+case 11:
+YY_RULE_SETUP
+{
+ yylval->assign(yytext, yyleng);
+ return pp::Token::PP_NUMBER;
+}
+ YY_BREAK
+case 12:
+YY_RULE_SETUP
+{
+ yylval->assign(yytext, yyleng);
+ return pp::Token::OP_INC;
+}
+ YY_BREAK
+case 13:
+YY_RULE_SETUP
+{
+ yylval->assign(yytext, yyleng);
+ return pp::Token::OP_DEC;
+}
+ YY_BREAK
+case 14:
+YY_RULE_SETUP
+{
+ yylval->assign(yytext, yyleng);
+ return pp::Token::OP_LEFT;
+}
+ YY_BREAK
+case 15:
+YY_RULE_SETUP
+{
+ yylval->assign(yytext, yyleng);
+ return pp::Token::OP_RIGHT;
+}
+ YY_BREAK
+case 16:
+YY_RULE_SETUP
+{
+ yylval->assign(yytext, yyleng);
+ return pp::Token::OP_LE;
+}
+ YY_BREAK
+case 17:
+YY_RULE_SETUP
+{
+ yylval->assign(yytext, yyleng);
+ return pp::Token::OP_GE;
+}
+ YY_BREAK
+case 18:
+YY_RULE_SETUP
+{
+ yylval->assign(yytext, yyleng);
+ return pp::Token::OP_EQ;
+}
+ YY_BREAK
+case 19:
+YY_RULE_SETUP
+{
+ yylval->assign(yytext, yyleng);
+ return pp::Token::OP_NE;
+}
+ YY_BREAK
+case 20:
+YY_RULE_SETUP
+{
+ yylval->assign(yytext, yyleng);
+ return pp::Token::OP_AND;
+}
+ YY_BREAK
+case 21:
+YY_RULE_SETUP
+{
+ yylval->assign(yytext, yyleng);
+ return pp::Token::OP_XOR;
+}
+ YY_BREAK
+case 22:
+YY_RULE_SETUP
+{
+ yylval->assign(yytext, yyleng);
+ return pp::Token::OP_OR;
+}
+ YY_BREAK
+case 23:
+YY_RULE_SETUP
+{
+ yylval->assign(yytext, yyleng);
+ return pp::Token::OP_ADD_ASSIGN;
+}
+ YY_BREAK
+case 24:
+YY_RULE_SETUP
+{
+ yylval->assign(yytext, yyleng);
+ return pp::Token::OP_SUB_ASSIGN;
+}
+ YY_BREAK
+case 25:
+YY_RULE_SETUP
+{
+ yylval->assign(yytext, yyleng);
+ return pp::Token::OP_MUL_ASSIGN;
+}
+ YY_BREAK
+case 26:
+YY_RULE_SETUP
+{
+ yylval->assign(yytext, yyleng);
+ return pp::Token::OP_DIV_ASSIGN;
+}
+ YY_BREAK
+case 27:
+YY_RULE_SETUP
+{
+ yylval->assign(yytext, yyleng);
+ return pp::Token::OP_MOD_ASSIGN;
+}
+ YY_BREAK
+case 28:
+YY_RULE_SETUP
+{
+ yylval->assign(yytext, yyleng);
+ return pp::Token::OP_LEFT_ASSIGN;
+}
+ YY_BREAK
+case 29:
+YY_RULE_SETUP
+{
+ yylval->assign(yytext, yyleng);
+ return pp::Token::OP_RIGHT_ASSIGN;
+}
+ YY_BREAK
+case 30:
+YY_RULE_SETUP
+{
+ yylval->assign(yytext, yyleng);
+ return pp::Token::OP_AND_ASSIGN;
+}
+ YY_BREAK
+case 31:
+YY_RULE_SETUP
+{
+ yylval->assign(yytext, yyleng);
+ return pp::Token::OP_XOR_ASSIGN;
+}
+ YY_BREAK
+case 32:
+YY_RULE_SETUP
+{
+ yylval->assign(yytext, yyleng);
+ return pp::Token::OP_OR_ASSIGN;
+}
+ YY_BREAK
+case 33:
+YY_RULE_SETUP
+{
+ yylval->assign(1, yytext[0]);
+ return yytext[0];
+}
+ YY_BREAK
+case 34:
+YY_RULE_SETUP
+{ yyextra->leadingSpace = true; }
+ YY_BREAK
+case 35:
+/* rule 35 can match eol */
+YY_RULE_SETUP
+{
+ ++yylineno;
+ yylval->assign(1, '\n');
+ return '\n';
+}
+ YY_BREAK
+case 36:
+YY_RULE_SETUP
+{
+ yylval->assign(1, yytext[0]);
+ return pp::Token::PP_OTHER;
+}
+ YY_BREAK
+case YY_STATE_EOF(INITIAL):
+case YY_STATE_EOF(COMMENT):
+{
+ // YY_USER_ACTION is not invoked for handling EOF.
+ // Set the location for EOF token manually.
+ pp::Input* input = &yyextra->input;
+ pp::Input::Location* scanLoc = &yyextra->scanLoc;
+ int sIndexMax = std::max(0, input->count() - 1);
+ if (scanLoc->sIndex != sIndexMax)
+ {
+ // We can only reach here if there are empty strings at the
+ // end of the input.
+ scanLoc->sIndex = sIndexMax; scanLoc->cIndex = 0;
+ yyfileno = sIndexMax; yylineno = 1;
+ }
+ yylloc->file = yyfileno;
+ yylloc->line = yylineno;
+ yylval->clear();
+
+ if (YY_START == COMMENT)
+ {
+ yyextra->diagnostics->report(pp::Diagnostics::EOF_IN_COMMENT,
+ pp::SourceLocation(yyfileno, yylineno),
+ "");
+ }
+ yyterminate();
+}
+ YY_BREAK
+case 37:
+YY_RULE_SETUP
+ECHO;
+ YY_BREAK
+
+ case YY_END_OF_BUFFER:
+ {
+ /* Amount of text matched not including the EOB char. */
+ int yy_amount_of_matched_text = (int) (yy_cp - yyg->yytext_ptr) - 1;
+
+ /* Undo the effects of YY_DO_BEFORE_ACTION. */
+ *yy_cp = yyg->yy_hold_char;
+ YY_RESTORE_YY_MORE_OFFSET
+
+ if ( YY_CURRENT_BUFFER_LVALUE->yy_buffer_status == YY_BUFFER_NEW )
+ {
+ /* We're scanning a new file or input source. It's
+ * possible that this happened because the user
+ * just pointed yyin at a new source and called
+ * pplex(). If so, then we have to assure
+ * consistency between YY_CURRENT_BUFFER and our
+ * globals. Here is the right place to do so, because
+ * this is the first action (other than possibly a
+ * back-up) that will match for the new input source.
+ */
+ yyg->yy_n_chars = YY_CURRENT_BUFFER_LVALUE->yy_n_chars;
+ YY_CURRENT_BUFFER_LVALUE->yy_input_file = yyin;
+ YY_CURRENT_BUFFER_LVALUE->yy_buffer_status = YY_BUFFER_NORMAL;
+ }
+
+ /* Note that here we test for yy_c_buf_p "<=" to the position
+ * of the first EOB in the buffer, since yy_c_buf_p will
+ * already have been incremented past the NUL character
+ * (since all states make transitions on EOB to the
+ * end-of-buffer state). Contrast this with the test
+ * in input().
+ */
+ if ( yyg->yy_c_buf_p <= &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[yyg->yy_n_chars] )
+ { /* This was really a NUL. */
+ yy_state_type yy_next_state;
+
+ yyg->yy_c_buf_p = yyg->yytext_ptr + yy_amount_of_matched_text;
+
+ yy_current_state = yy_get_previous_state( yyscanner );
+
+ /* Okay, we're now positioned to make the NUL
+ * transition. We couldn't have
+ * yy_get_previous_state() go ahead and do it
+ * for us because it doesn't know how to deal
+ * with the possibility of jamming (and we don't
+ * want to build jamming into it because then it
+ * will run more slowly).
+ */
+
+ yy_next_state = yy_try_NUL_trans( yy_current_state , yyscanner);
+
+ yy_bp = yyg->yytext_ptr + YY_MORE_ADJ;
+
+ if ( yy_next_state )
+ {
+ /* Consume the NUL. */
+ yy_cp = ++yyg->yy_c_buf_p;
+ yy_current_state = yy_next_state;
+ goto yy_match;
+ }
+
+ else
+ {
+ yy_cp = yyg->yy_last_accepting_cpos;
+ yy_current_state = yyg->yy_last_accepting_state;
+ goto yy_find_action;
+ }
+ }
+
+ else switch ( yy_get_next_buffer( yyscanner ) )
+ {
+ case EOB_ACT_END_OF_FILE:
+ {
+ yyg->yy_did_buffer_switch_on_eof = 0;
+
+ if ( ppwrap(yyscanner ) )
+ {
+ /* Note: because we've taken care in
+ * yy_get_next_buffer() to have set up
+ * yytext, we can now set up
+ * yy_c_buf_p so that if some total
+ * hoser (like flex itself) wants to
+ * call the scanner after we return the
+ * YY_NULL, it'll still work - another
+ * YY_NULL will get returned.
+ */
+ yyg->yy_c_buf_p = yyg->yytext_ptr + YY_MORE_ADJ;
+
+ yy_act = YY_STATE_EOF(YY_START);
+ goto do_action;
+ }
+
+ else
+ {
+ if ( ! yyg->yy_did_buffer_switch_on_eof )
+ YY_NEW_FILE;
+ }
+ break;
+ }
+
+ case EOB_ACT_CONTINUE_SCAN:
+ yyg->yy_c_buf_p =
+ yyg->yytext_ptr + yy_amount_of_matched_text;
+
+ yy_current_state = yy_get_previous_state( yyscanner );
+
+ yy_cp = yyg->yy_c_buf_p;
+ yy_bp = yyg->yytext_ptr + YY_MORE_ADJ;
+ goto yy_match;
+
+ case EOB_ACT_LAST_MATCH:
+ yyg->yy_c_buf_p =
+ &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[yyg->yy_n_chars];
+
+ yy_current_state = yy_get_previous_state( yyscanner );
+
+ yy_cp = yyg->yy_c_buf_p;
+ yy_bp = yyg->yytext_ptr + YY_MORE_ADJ;
+ goto yy_find_action;
+ }
+ break;
+ }
+
+ default:
+ YY_FATAL_ERROR(
+ "fatal flex scanner internal error--no action found" );
+ } /* end of action switch */
+ } /* end of scanning one token */
+} /* end of pplex */
+
+/* yy_get_next_buffer - try to read in a new buffer
+ *
+ * Returns a code representing an action:
+ * EOB_ACT_LAST_MATCH -
+ * EOB_ACT_CONTINUE_SCAN - continue scanning from current position
+ * EOB_ACT_END_OF_FILE - end of file
+ */
+static int yy_get_next_buffer (yyscan_t yyscanner)
+{
+ struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
+ register char *dest = YY_CURRENT_BUFFER_LVALUE->yy_ch_buf;
+ register char *source = yyg->yytext_ptr;
+ register int number_to_move, i;
+ int ret_val;
+
+ if ( yyg->yy_c_buf_p > &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[yyg->yy_n_chars + 1] )
+ YY_FATAL_ERROR(
+ "fatal flex scanner internal error--end of buffer missed" );
+
+ if ( YY_CURRENT_BUFFER_LVALUE->yy_fill_buffer == 0 )
+ { /* Don't try to fill the buffer, so this is an EOF. */
+ if ( yyg->yy_c_buf_p - yyg->yytext_ptr - YY_MORE_ADJ == 1 )
+ {
+ /* We matched a single character, the EOB, so
+ * treat this as a final EOF.
+ */
+ return EOB_ACT_END_OF_FILE;
+ }
+
+ else
+ {
+ /* We matched some text prior to the EOB, first
+ * process it.
+ */
+ return EOB_ACT_LAST_MATCH;
+ }
+ }
+
+ /* Try to read more data. */
+
+ /* First move last chars to start of buffer. */
+ number_to_move = (int) (yyg->yy_c_buf_p - yyg->yytext_ptr) - 1;
+
+ for ( i = 0; i < number_to_move; ++i )
+ *(dest++) = *(source++);
+
+ if ( YY_CURRENT_BUFFER_LVALUE->yy_buffer_status == YY_BUFFER_EOF_PENDING )
+ /* don't do the read, it's not guaranteed to return an EOF,
+ * just force an EOF
+ */
+ YY_CURRENT_BUFFER_LVALUE->yy_n_chars = yyg->yy_n_chars = 0;
+
+ else
+ {
+ int num_to_read =
+ YY_CURRENT_BUFFER_LVALUE->yy_buf_size - number_to_move - 1;
+
+ while ( num_to_read <= 0 )
+ { /* Not enough room in the buffer - grow it. */
+
+ /* just a shorter name for the current buffer */
+ YY_BUFFER_STATE b = YY_CURRENT_BUFFER;
+
+ int yy_c_buf_p_offset =
+ (int) (yyg->yy_c_buf_p - b->yy_ch_buf);
+
+ if ( b->yy_is_our_buffer )
+ {
+ int new_size = b->yy_buf_size * 2;
+
+ if ( new_size <= 0 )
+ b->yy_buf_size += b->yy_buf_size / 8;
+ else
+ b->yy_buf_size *= 2;
+
+ b->yy_ch_buf = (char *)
+ /* Include room in for 2 EOB chars. */
+ pprealloc((void *) b->yy_ch_buf,b->yy_buf_size + 2 ,yyscanner );
+ }
+ else
+ /* Can't grow it, we don't own it. */
+ b->yy_ch_buf = 0;
+
+ if ( ! b->yy_ch_buf )
+ YY_FATAL_ERROR(
+ "fatal error - scanner input buffer overflow" );
+
+ yyg->yy_c_buf_p = &b->yy_ch_buf[yy_c_buf_p_offset];
+
+ num_to_read = YY_CURRENT_BUFFER_LVALUE->yy_buf_size -
+ number_to_move - 1;
+
+ }
+
+ if ( num_to_read > YY_READ_BUF_SIZE )
+ num_to_read = YY_READ_BUF_SIZE;
+
+ /* Read in more data. */
+ YY_INPUT( (&YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[number_to_move]),
+ yyg->yy_n_chars, (size_t) num_to_read );
+
+ YY_CURRENT_BUFFER_LVALUE->yy_n_chars = yyg->yy_n_chars;
+ }
+
+ if ( yyg->yy_n_chars == 0 )
+ {
+ if ( number_to_move == YY_MORE_ADJ )
+ {
+ ret_val = EOB_ACT_END_OF_FILE;
+ pprestart(yyin ,yyscanner);
+ }
+
+ else
+ {
+ ret_val = EOB_ACT_LAST_MATCH;
+ YY_CURRENT_BUFFER_LVALUE->yy_buffer_status =
+ YY_BUFFER_EOF_PENDING;
+ }
+ }
+
+ else
+ ret_val = EOB_ACT_CONTINUE_SCAN;
+
+ if ((yy_size_t) (yyg->yy_n_chars + number_to_move) > YY_CURRENT_BUFFER_LVALUE->yy_buf_size) {
+ /* Extend the array by 50%, plus the number we really need. */
+ yy_size_t new_size = yyg->yy_n_chars + number_to_move + (yyg->yy_n_chars >> 1);
+ YY_CURRENT_BUFFER_LVALUE->yy_ch_buf = (char *) pprealloc((void *) YY_CURRENT_BUFFER_LVALUE->yy_ch_buf,new_size ,yyscanner );
+ if ( ! YY_CURRENT_BUFFER_LVALUE->yy_ch_buf )
+ YY_FATAL_ERROR( "out of dynamic memory in yy_get_next_buffer()" );
+ }
+
+ yyg->yy_n_chars += number_to_move;
+ YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[yyg->yy_n_chars] = YY_END_OF_BUFFER_CHAR;
+ YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[yyg->yy_n_chars + 1] = YY_END_OF_BUFFER_CHAR;
+
+ yyg->yytext_ptr = &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[0];
+
+ return ret_val;
+}
+
+/* yy_get_previous_state - get the state just before the EOB char was reached */
+
+ static yy_state_type yy_get_previous_state (yyscan_t yyscanner)
+{
+ register yy_state_type yy_current_state;
+ register char *yy_cp;
+ struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
+
+ yy_current_state = yyg->yy_start;
+
+ for ( yy_cp = yyg->yytext_ptr + YY_MORE_ADJ; yy_cp < yyg->yy_c_buf_p; ++yy_cp )
+ {
+ register YY_CHAR yy_c = (*yy_cp ? yy_ec[YY_SC_TO_UI(*yy_cp)] : 1);
+ if ( yy_accept[yy_current_state] )
+ {
+ yyg->yy_last_accepting_state = yy_current_state;
+ yyg->yy_last_accepting_cpos = yy_cp;
+ }
+ while ( yy_chk[yy_base[yy_current_state] + yy_c] != yy_current_state )
+ {
+ yy_current_state = (int) yy_def[yy_current_state];
+ if ( yy_current_state >= 84 )
+ yy_c = yy_meta[(unsigned int) yy_c];
+ }
+ yy_current_state = yy_nxt[yy_base[yy_current_state] + (unsigned int) yy_c];
+ }
+
+ return yy_current_state;
+}
+
+/* yy_try_NUL_trans - try to make a transition on the NUL character
+ *
+ * synopsis
+ * next_state = yy_try_NUL_trans( current_state );
+ */
+ static yy_state_type yy_try_NUL_trans (yy_state_type yy_current_state , yyscan_t yyscanner)
+{
+ register int yy_is_jam;
+ struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; /* This var may be unused depending upon options. */
+ register char *yy_cp = yyg->yy_c_buf_p;
+
+ register YY_CHAR yy_c = 1;
+ if ( yy_accept[yy_current_state] )
+ {
+ yyg->yy_last_accepting_state = yy_current_state;
+ yyg->yy_last_accepting_cpos = yy_cp;
+ }
+ while ( yy_chk[yy_base[yy_current_state] + yy_c] != yy_current_state )
+ {
+ yy_current_state = (int) yy_def[yy_current_state];
+ if ( yy_current_state >= 84 )
+ yy_c = yy_meta[(unsigned int) yy_c];
+ }
+ yy_current_state = yy_nxt[yy_base[yy_current_state] + (unsigned int) yy_c];
+ yy_is_jam = (yy_current_state == 83);
+
+ return yy_is_jam ? 0 : yy_current_state;
+}
+
+#ifndef YY_NO_INPUT
+#ifdef __cplusplus
+ static int yyinput (yyscan_t yyscanner)
+#else
+ static int input (yyscan_t yyscanner)
+#endif
+
+{
+ int c;
+ struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
+
+ *yyg->yy_c_buf_p = yyg->yy_hold_char;
+
+ if ( *yyg->yy_c_buf_p == YY_END_OF_BUFFER_CHAR )
+ {
+ /* yy_c_buf_p now points to the character we want to return.
+ * If this occurs *before* the EOB characters, then it's a
+ * valid NUL; if not, then we've hit the end of the buffer.
+ */
+ if ( yyg->yy_c_buf_p < &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[yyg->yy_n_chars] )
+ /* This was really a NUL. */
+ *yyg->yy_c_buf_p = '\0';
+
+ else
+ { /* need more input */
+ int offset = yyg->yy_c_buf_p - yyg->yytext_ptr;
+ ++yyg->yy_c_buf_p;
+
+ switch ( yy_get_next_buffer( yyscanner ) )
+ {
+ case EOB_ACT_LAST_MATCH:
+ /* This happens because yy_g_n_b()
+ * sees that we've accumulated a
+ * token and flags that we need to
+ * try matching the token before
+ * proceeding. But for input(),
+ * there's no matching to consider.
+ * So convert the EOB_ACT_LAST_MATCH
+ * to EOB_ACT_END_OF_FILE.
+ */
+
+ /* Reset buffer status. */
+ pprestart(yyin ,yyscanner);
+
+ /*FALLTHROUGH*/
+
+ case EOB_ACT_END_OF_FILE:
+ {
+ if ( ppwrap(yyscanner ) )
+ return EOF;
+
+ if ( ! yyg->yy_did_buffer_switch_on_eof )
+ YY_NEW_FILE;
+#ifdef __cplusplus
+ return yyinput(yyscanner);
+#else
+ return input(yyscanner);
+#endif
+ }
+
+ case EOB_ACT_CONTINUE_SCAN:
+ yyg->yy_c_buf_p = yyg->yytext_ptr + offset;
+ break;
+ }
+ }
+ }
+
+ c = *(unsigned char *) yyg->yy_c_buf_p; /* cast for 8-bit char's */
+ *yyg->yy_c_buf_p = '\0'; /* preserve yytext */
+ yyg->yy_hold_char = *++yyg->yy_c_buf_p;
+
+ return c;
+}
+#endif /* ifndef YY_NO_INPUT */
+
+/** Immediately switch to a different input stream.
+ * @param input_file A readable stream.
+ * @param yyscanner The scanner object.
+ * @note This function does not reset the start condition to @c INITIAL .
+ */
+ void pprestart (FILE * input_file , yyscan_t yyscanner)
+{
+ struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
+
+ if ( ! YY_CURRENT_BUFFER ){
+ ppensure_buffer_stack (yyscanner);
+ YY_CURRENT_BUFFER_LVALUE =
+ pp_create_buffer(yyin,YY_BUF_SIZE ,yyscanner);
+ }
+
+ pp_init_buffer(YY_CURRENT_BUFFER,input_file ,yyscanner);
+ pp_load_buffer_state(yyscanner );
+}
+
+/** Switch to a different input buffer.
+ * @param new_buffer The new input buffer.
+ * @param yyscanner The scanner object.
+ */
+ void pp_switch_to_buffer (YY_BUFFER_STATE new_buffer , yyscan_t yyscanner)
+{
+ struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
+
+ /* TODO. We should be able to replace this entire function body
+ * with
+ * pppop_buffer_state();
+ * pppush_buffer_state(new_buffer);
+ */
+ ppensure_buffer_stack (yyscanner);
+ if ( YY_CURRENT_BUFFER == new_buffer )
+ return;
+
+ if ( YY_CURRENT_BUFFER )
+ {
+ /* Flush out information for old buffer. */
+ *yyg->yy_c_buf_p = yyg->yy_hold_char;
+ YY_CURRENT_BUFFER_LVALUE->yy_buf_pos = yyg->yy_c_buf_p;
+ YY_CURRENT_BUFFER_LVALUE->yy_n_chars = yyg->yy_n_chars;
+ }
+
+ YY_CURRENT_BUFFER_LVALUE = new_buffer;
+ pp_load_buffer_state(yyscanner );
+
+ /* We don't actually know whether we did this switch during
+ * EOF (ppwrap()) processing, but the only time this flag
+ * is looked at is after ppwrap() is called, so it's safe
+ * to go ahead and always set it.
+ */
+ yyg->yy_did_buffer_switch_on_eof = 1;
+}
+
+static void pp_load_buffer_state (yyscan_t yyscanner)
+{
+ struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
+ yyg->yy_n_chars = YY_CURRENT_BUFFER_LVALUE->yy_n_chars;
+ yyg->yytext_ptr = yyg->yy_c_buf_p = YY_CURRENT_BUFFER_LVALUE->yy_buf_pos;
+ yyin = YY_CURRENT_BUFFER_LVALUE->yy_input_file;
+ yyg->yy_hold_char = *yyg->yy_c_buf_p;
+}
+
+/** Allocate and initialize an input buffer state.
+ * @param file A readable stream.
+ * @param size The character buffer size in bytes. When in doubt, use @c YY_BUF_SIZE.
+ * @param yyscanner The scanner object.
+ * @return the allocated buffer state.
+ */
+ YY_BUFFER_STATE pp_create_buffer (FILE * file, int size , yyscan_t yyscanner)
+{
+ YY_BUFFER_STATE b;
+
+ b = (YY_BUFFER_STATE) ppalloc(sizeof( struct yy_buffer_state ) ,yyscanner );
+ if ( ! b )
+ YY_FATAL_ERROR( "out of dynamic memory in pp_create_buffer()" );
+
+ b->yy_buf_size = size;
+
+ /* yy_ch_buf has to be 2 characters longer than the size given because
+ * we need to put in 2 end-of-buffer characters.
+ */
+ b->yy_ch_buf = (char *) ppalloc(b->yy_buf_size + 2 ,yyscanner );
+ if ( ! b->yy_ch_buf )
+ YY_FATAL_ERROR( "out of dynamic memory in pp_create_buffer()" );
+
+ b->yy_is_our_buffer = 1;
+
+ pp_init_buffer(b,file ,yyscanner);
+
+ return b;
+}
+
+/** Destroy the buffer.
+ * @param b a buffer created with pp_create_buffer()
+ * @param yyscanner The scanner object.
+ */
+ void pp_delete_buffer (YY_BUFFER_STATE b , yyscan_t yyscanner)
+{
+ struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
+
+ if ( ! b )
+ return;
+
+ if ( b == YY_CURRENT_BUFFER ) /* Not sure if we should pop here. */
+ YY_CURRENT_BUFFER_LVALUE = (YY_BUFFER_STATE) 0;
+
+ if ( b->yy_is_our_buffer )
+ ppfree((void *) b->yy_ch_buf ,yyscanner );
+
+ ppfree((void *) b ,yyscanner );
+}
+
+/* Initializes or reinitializes a buffer.
+ * This function is sometimes called more than once on the same buffer,
+ * such as during a pprestart() or at EOF.
+ */
+ static void pp_init_buffer (YY_BUFFER_STATE b, FILE * file , yyscan_t yyscanner)
+
+{
+ int oerrno = errno;
+ struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
+
+ pp_flush_buffer(b ,yyscanner);
+
+ b->yy_input_file = file;
+ b->yy_fill_buffer = 1;
+
+ /* If b is the current buffer, then pp_init_buffer was _probably_
+ * called from pprestart() or through yy_get_next_buffer.
+ * In that case, we don't want to reset the lineno or column.
+ */
+ if (b != YY_CURRENT_BUFFER){
+ b->yy_bs_lineno = 1;
+ b->yy_bs_column = 0;
+ }
+
+ b->yy_is_interactive = 0;
+
+ errno = oerrno;
+}
+
+/** Discard all buffered characters. On the next scan, YY_INPUT will be called.
+ * @param b the buffer state to be flushed, usually @c YY_CURRENT_BUFFER.
+ * @param yyscanner The scanner object.
+ */
+ void pp_flush_buffer (YY_BUFFER_STATE b , yyscan_t yyscanner)
+{
+ struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
+ if ( ! b )
+ return;
+
+ b->yy_n_chars = 0;
+
+ /* We always need two end-of-buffer characters. The first causes
+ * a transition to the end-of-buffer state. The second causes
+ * a jam in that state.
+ */
+ b->yy_ch_buf[0] = YY_END_OF_BUFFER_CHAR;
+ b->yy_ch_buf[1] = YY_END_OF_BUFFER_CHAR;
+
+ b->yy_buf_pos = &b->yy_ch_buf[0];
+
+ b->yy_at_bol = 1;
+ b->yy_buffer_status = YY_BUFFER_NEW;
+
+ if ( b == YY_CURRENT_BUFFER )
+ pp_load_buffer_state(yyscanner );
+}
+
+/** Pushes the new state onto the stack. The new state becomes
+ * the current state. This function will allocate the stack
+ * if necessary.
+ * @param new_buffer The new state.
+ * @param yyscanner The scanner object.
+ */
+void pppush_buffer_state (YY_BUFFER_STATE new_buffer , yyscan_t yyscanner)
+{
+ struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
+ if (new_buffer == NULL)
+ return;
+
+ ppensure_buffer_stack(yyscanner);
+
+ /* This block is copied from pp_switch_to_buffer. */
+ if ( YY_CURRENT_BUFFER )
+ {
+ /* Flush out information for old buffer. */
+ *yyg->yy_c_buf_p = yyg->yy_hold_char;
+ YY_CURRENT_BUFFER_LVALUE->yy_buf_pos = yyg->yy_c_buf_p;
+ YY_CURRENT_BUFFER_LVALUE->yy_n_chars = yyg->yy_n_chars;
+ }
+
+ /* Only push if top exists. Otherwise, replace top. */
+ if (YY_CURRENT_BUFFER)
+ yyg->yy_buffer_stack_top++;
+ YY_CURRENT_BUFFER_LVALUE = new_buffer;
+
+ /* copied from pp_switch_to_buffer. */
+ pp_load_buffer_state(yyscanner );
+ yyg->yy_did_buffer_switch_on_eof = 1;
+}
+
+/** Removes and deletes the top of the stack, if present.
+ * The next element becomes the new top.
+ * @param yyscanner The scanner object.
+ */
+void pppop_buffer_state (yyscan_t yyscanner)
+{
+ struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
+ if (!YY_CURRENT_BUFFER)
+ return;
+
+ pp_delete_buffer(YY_CURRENT_BUFFER ,yyscanner);
+ YY_CURRENT_BUFFER_LVALUE = NULL;
+ if (yyg->yy_buffer_stack_top > 0)
+ --yyg->yy_buffer_stack_top;
+
+ if (YY_CURRENT_BUFFER) {
+ pp_load_buffer_state(yyscanner );
+ yyg->yy_did_buffer_switch_on_eof = 1;
+ }
+}
+
+/* Allocates the stack if it does not exist.
+ * Guarantees space for at least one push.
+ */
+static void ppensure_buffer_stack (yyscan_t yyscanner)
+{
+ int num_to_alloc;
+ struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
+
+ if (!yyg->yy_buffer_stack) {
+
+ /* First allocation is just for 2 elements, since we don't know if this
+ * scanner will even need a stack. We use 2 instead of 1 to avoid an
+ * immediate realloc on the next call.
+ */
+ num_to_alloc = 1;
+ yyg->yy_buffer_stack = (struct yy_buffer_state**)ppalloc
+ (num_to_alloc * sizeof(struct yy_buffer_state*)
+ , yyscanner);
+ if ( ! yyg->yy_buffer_stack )
+ YY_FATAL_ERROR( "out of dynamic memory in ppensure_buffer_stack()" );
+
+ memset(yyg->yy_buffer_stack, 0, num_to_alloc * sizeof(struct yy_buffer_state*));
+
+ yyg->yy_buffer_stack_max = num_to_alloc;
+ yyg->yy_buffer_stack_top = 0;
+ return;
+ }
+
+ if (yyg->yy_buffer_stack_top >= (yyg->yy_buffer_stack_max) - 1){
+
+ /* Increase the buffer to prepare for a possible push. */
+ int grow_size = 8 /* arbitrary grow size */;
+
+ num_to_alloc = yyg->yy_buffer_stack_max + grow_size;
+ yyg->yy_buffer_stack = (struct yy_buffer_state**)pprealloc
+ (yyg->yy_buffer_stack,
+ num_to_alloc * sizeof(struct yy_buffer_state*)
+ , yyscanner);
+ if ( ! yyg->yy_buffer_stack )
+ YY_FATAL_ERROR( "out of dynamic memory in ppensure_buffer_stack()" );
+
+ /* zero only the new slots.*/
+ memset(yyg->yy_buffer_stack + yyg->yy_buffer_stack_max, 0, grow_size * sizeof(struct yy_buffer_state*));
+ yyg->yy_buffer_stack_max = num_to_alloc;
+ }
+}
+
+/** Setup the input buffer state to scan directly from a user-specified character buffer.
+ * @param base the character buffer
+ * @param size the size in bytes of the character buffer
+ * @param yyscanner The scanner object.
+ * @return the newly allocated buffer state object.
+ */
+YY_BUFFER_STATE pp_scan_buffer (char * base, yy_size_t size , yyscan_t yyscanner)
+{
+ YY_BUFFER_STATE b;
+
+ if ( size < 2 ||
+ base[size-2] != YY_END_OF_BUFFER_CHAR ||
+ base[size-1] != YY_END_OF_BUFFER_CHAR )
+ /* They forgot to leave room for the EOB's. */
+ return 0;
+
+ b = (YY_BUFFER_STATE) ppalloc(sizeof( struct yy_buffer_state ) ,yyscanner );
+ if ( ! b )
+ YY_FATAL_ERROR( "out of dynamic memory in pp_scan_buffer()" );
+
+ b->yy_buf_size = size - 2; /* "- 2" to take care of EOB's */
+ b->yy_buf_pos = b->yy_ch_buf = base;
+ b->yy_is_our_buffer = 0;
+ b->yy_input_file = 0;
+ b->yy_n_chars = b->yy_buf_size;
+ b->yy_is_interactive = 0;
+ b->yy_at_bol = 1;
+ b->yy_fill_buffer = 0;
+ b->yy_buffer_status = YY_BUFFER_NEW;
+
+ pp_switch_to_buffer(b ,yyscanner );
+
+ return b;
+}
+
+/** Setup the input buffer state to scan a string. The next call to pplex() will
+ * scan from a @e copy of @a str.
+ * @param yystr a NUL-terminated string to scan
+ * @param yyscanner The scanner object.
+ * @return the newly allocated buffer state object.
+ * @note If you want to scan bytes that may contain NUL values, then use
+ * pp_scan_bytes() instead.
+ */
+YY_BUFFER_STATE pp_scan_string (yyconst char * yystr , yyscan_t yyscanner)
+{
+
+ return pp_scan_bytes(yystr,strlen(yystr) ,yyscanner);
+}
+
+/** Setup the input buffer state to scan the given bytes. The next call to pplex() will
+ * scan from a @e copy of @a bytes.
+ * @param yybytes the byte buffer to scan
+ * @param _yybytes_len the number of bytes in the buffer pointed to by @a bytes.
+ * @param yyscanner The scanner object.
+ * @return the newly allocated buffer state object.
+ */
+YY_BUFFER_STATE pp_scan_bytes (yyconst char * yybytes, int _yybytes_len , yyscan_t yyscanner)
+{
+ YY_BUFFER_STATE b;
+ char *buf;
+ yy_size_t n;
+ int i;
+
+ /* Get memory for full buffer, including space for trailing EOB's. */
+ n = _yybytes_len + 2;
+ buf = (char *) ppalloc(n ,yyscanner );
+ if ( ! buf )
+ YY_FATAL_ERROR( "out of dynamic memory in pp_scan_bytes()" );
+
+ for ( i = 0; i < _yybytes_len; ++i )
+ buf[i] = yybytes[i];
+
+ buf[_yybytes_len] = buf[_yybytes_len+1] = YY_END_OF_BUFFER_CHAR;
+
+ b = pp_scan_buffer(buf,n ,yyscanner);
+ if ( ! b )
+ YY_FATAL_ERROR( "bad buffer in pp_scan_bytes()" );
+
+ /* It's okay to grow etc. this buffer, and we should throw it
+ * away when we're done.
+ */
+ b->yy_is_our_buffer = 1;
+
+ return b;
+}
+
+#ifndef YY_EXIT_FAILURE
+#define YY_EXIT_FAILURE 2
+#endif
+
+static void yy_fatal_error (yyconst char* msg , yyscan_t yyscanner)
+{
+ (void) fprintf( stderr, "%s\n", msg );
+ exit( YY_EXIT_FAILURE );
+}
+
+/* Redefine yyless() so it works in section 3 code. */
+
+#undef yyless
+#define yyless(n) \
+ do \
+ { \
+ /* Undo effects of setting up yytext. */ \
+ int yyless_macro_arg = (n); \
+ YY_LESS_LINENO(yyless_macro_arg);\
+ yytext[yyleng] = yyg->yy_hold_char; \
+ yyg->yy_c_buf_p = yytext + yyless_macro_arg; \
+ yyg->yy_hold_char = *yyg->yy_c_buf_p; \
+ *yyg->yy_c_buf_p = '\0'; \
+ yyleng = yyless_macro_arg; \
+ } \
+ while ( 0 )
+
+/* Accessor methods (get/set functions) to struct members. */
+
+/** Get the user-defined data for this scanner.
+ * @param yyscanner The scanner object.
+ */
+YY_EXTRA_TYPE ppget_extra (yyscan_t yyscanner)
+{
+ struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
+ return yyextra;
+}
+
+/** Get the current line number.
+ * @param yyscanner The scanner object.
+ */
+int ppget_lineno (yyscan_t yyscanner)
+{
+ struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
+
+ if (! YY_CURRENT_BUFFER)
+ return 0;
+
+ return yylineno;
+}
+
+/** Get the current column number.
+ * @param yyscanner The scanner object.
+ */
+int ppget_column (yyscan_t yyscanner)
+{
+ struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
+
+ if (! YY_CURRENT_BUFFER)
+ return 0;
+
+ return yycolumn;
+}
+
+/** Get the input stream.
+ * @param yyscanner The scanner object.
+ */
+FILE *ppget_in (yyscan_t yyscanner)
+{
+ struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
+ return yyin;
+}
+
+/** Get the output stream.
+ * @param yyscanner The scanner object.
+ */
+FILE *ppget_out (yyscan_t yyscanner)
+{
+ struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
+ return yyout;
+}
+
+/** Get the length of the current token.
+ * @param yyscanner The scanner object.
+ */
+int ppget_leng (yyscan_t yyscanner)
+{
+ struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
+ return yyleng;
+}
+
+/** Get the current token.
+ * @param yyscanner The scanner object.
+ */
+
+char *ppget_text (yyscan_t yyscanner)
+{
+ struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
+ return yytext;
+}
+
+/** Set the user-defined data. This data is never touched by the scanner.
+ * @param user_defined The data to be associated with this scanner.
+ * @param yyscanner The scanner object.
+ */
+void ppset_extra (YY_EXTRA_TYPE user_defined , yyscan_t yyscanner)
+{
+ struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
+ yyextra = user_defined ;
+}
+
+/** Set the current line number.
+ * @param line_number
+ * @param yyscanner The scanner object.
+ */
+void ppset_lineno (int line_number , yyscan_t yyscanner)
+{
+ struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
+
+ /* lineno is only valid if an input buffer exists. */
+ if (! YY_CURRENT_BUFFER )
+ yy_fatal_error( "ppset_lineno called with no buffer" , yyscanner);
+
+ yylineno = line_number;
+}
+
+/** Set the current column.
+ * @param line_number
+ * @param yyscanner The scanner object.
+ */
+void ppset_column (int column_no , yyscan_t yyscanner)
+{
+ struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
+
+ /* column is only valid if an input buffer exists. */
+ if (! YY_CURRENT_BUFFER )
+ yy_fatal_error( "ppset_column called with no buffer" , yyscanner);
+
+ yycolumn = column_no;
+}
+
+/** Set the input stream. This does not discard the current
+ * input buffer.
+ * @param in_str A readable stream.
+ * @param yyscanner The scanner object.
+ * @see pp_switch_to_buffer
+ */
+void ppset_in (FILE * in_str , yyscan_t yyscanner)
+{
+ struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
+ yyin = in_str ;
+}
+
+void ppset_out (FILE * out_str , yyscan_t yyscanner)
+{
+ struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
+ yyout = out_str ;
+}
+
+int ppget_debug (yyscan_t yyscanner)
+{
+ struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
+ return yy_flex_debug;
+}
+
+void ppset_debug (int bdebug , yyscan_t yyscanner)
+{
+ struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
+ yy_flex_debug = bdebug ;
+}
+
+/* Accessor methods for yylval and yylloc */
+
+YYSTYPE * ppget_lval (yyscan_t yyscanner)
+{
+ struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
+ return yylval;
+}
+
+void ppset_lval (YYSTYPE * yylval_param , yyscan_t yyscanner)
+{
+ struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
+ yylval = yylval_param;
+}
+
+YYLTYPE *ppget_lloc (yyscan_t yyscanner)
+{
+ struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
+ return yylloc;
+}
+
+void ppset_lloc (YYLTYPE * yylloc_param , yyscan_t yyscanner)
+{
+ struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
+ yylloc = yylloc_param;
+}
+
+/* User-visible API */
+
+/* pplex_init is special because it creates the scanner itself, so it is
+ * the ONLY reentrant function that doesn't take the scanner as the last argument.
+ * That's why we explicitly handle the declaration, instead of using our macros.
+ */
+
+int pplex_init(yyscan_t* ptr_yy_globals)
+
+{
+ if (ptr_yy_globals == NULL){
+ errno = EINVAL;
+ return 1;
+ }
+
+ *ptr_yy_globals = (yyscan_t) ppalloc ( sizeof( struct yyguts_t ), NULL );
+
+ if (*ptr_yy_globals == NULL){
+ errno = ENOMEM;
+ return 1;
+ }
+
+ /* By setting to 0xAA, we expose bugs in yy_init_globals. Leave at 0x00 for releases. */
+ memset(*ptr_yy_globals,0x00,sizeof(struct yyguts_t));
+
+ return yy_init_globals ( *ptr_yy_globals );
+}
+
+/* pplex_init_extra has the same functionality as pplex_init, but follows the
+ * convention of taking the scanner as the last argument. Note however, that
+ * this is a *pointer* to a scanner, as it will be allocated by this call (and
+ * is the reason, too, why this function also must handle its own declaration).
+ * The user defined value in the first argument will be available to ppalloc in
+ * the yyextra field.
+ */
+
+int pplex_init_extra(YY_EXTRA_TYPE yy_user_defined,yyscan_t* ptr_yy_globals )
+
+{
+ struct yyguts_t dummy_yyguts;
+
+ ppset_extra (yy_user_defined, &dummy_yyguts);
+
+ if (ptr_yy_globals == NULL){
+ errno = EINVAL;
+ return 1;
+ }
+
+ *ptr_yy_globals = (yyscan_t) ppalloc ( sizeof( struct yyguts_t ), &dummy_yyguts );
+
+ if (*ptr_yy_globals == NULL){
+ errno = ENOMEM;
+ return 1;
+ }
+
+ /* By setting to 0xAA, we expose bugs in
+ yy_init_globals. Leave at 0x00 for releases. */
+ memset(*ptr_yy_globals,0x00,sizeof(struct yyguts_t));
+
+ ppset_extra (yy_user_defined, *ptr_yy_globals);
+
+ return yy_init_globals ( *ptr_yy_globals );
+}
+
+static int yy_init_globals (yyscan_t yyscanner)
+{
+ struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
+ /* Initialization is the same as for the non-reentrant scanner.
+ * This function is called from pplex_destroy(), so don't allocate here.
+ */
+
+ yyg->yy_buffer_stack = 0;
+ yyg->yy_buffer_stack_top = 0;
+ yyg->yy_buffer_stack_max = 0;
+ yyg->yy_c_buf_p = (char *) 0;
+ yyg->yy_init = 0;
+ yyg->yy_start = 0;
+
+ yyg->yy_start_stack_ptr = 0;
+ yyg->yy_start_stack_depth = 0;
+ yyg->yy_start_stack = NULL;
+
+/* Defined in main.c */
+#ifdef YY_STDINIT
+ yyin = stdin;
+ yyout = stdout;
+#else
+ yyin = (FILE *) 0;
+ yyout = (FILE *) 0;
+#endif
+
+ /* For future reference: Set errno on error, since we are called by
+ * pplex_init()
+ */
+ return 0;
+}
+
+/* pplex_destroy is for both reentrant and non-reentrant scanners. */
+int pplex_destroy (yyscan_t yyscanner)
+{
+ struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
+
+ /* Pop the buffer stack, destroying each element. */
+ while(YY_CURRENT_BUFFER){
+ pp_delete_buffer(YY_CURRENT_BUFFER ,yyscanner );
+ YY_CURRENT_BUFFER_LVALUE = NULL;
+ pppop_buffer_state(yyscanner);
+ }
+
+ /* Destroy the stack itself. */
+ ppfree(yyg->yy_buffer_stack ,yyscanner);
+ yyg->yy_buffer_stack = NULL;
+
+ /* Destroy the start condition stack. */
+ ppfree(yyg->yy_start_stack ,yyscanner );
+ yyg->yy_start_stack = NULL;
+
+ /* Reset the globals. This is important in a non-reentrant scanner so the next time
+ * pplex() is called, initialization will occur. */
+ yy_init_globals( yyscanner);
+
+ /* Destroy the main struct (reentrant only). */
+ ppfree ( yyscanner , yyscanner );
+ yyscanner = NULL;
+ return 0;
+}
+
+/*
+ * Internal utility routines.
+ */
+
+#ifndef yytext_ptr
+static void yy_flex_strncpy (char* s1, yyconst char * s2, int n , yyscan_t yyscanner)
+{
+ register int i;
+ for ( i = 0; i < n; ++i )
+ s1[i] = s2[i];
+}
+#endif
+
+#ifdef YY_NEED_STRLEN
+static int yy_flex_strlen (yyconst char * s , yyscan_t yyscanner)
+{
+ register int n;
+ for ( n = 0; s[n]; ++n )
+ ;
+
+ return n;
+}
+#endif
+
+void *ppalloc (yy_size_t size , yyscan_t yyscanner)
+{
+ return (void *) malloc( size );
+}
+
+void *pprealloc (void * ptr, yy_size_t size , yyscan_t yyscanner)
+{
+ /* The cast to (char *) in the following accommodates both
+ * implementations that use char* generic pointers, and those
+ * that use void* generic pointers. It works with the latter
+ * because both ANSI C and C++ allow castless assignment from
+ * any pointer type to void*, and deal with argument conversions
+ * as though doing an assignment.
+ */
+ return (void *) realloc( (char *) ptr, size );
+}
+
+void ppfree (void * ptr , yyscan_t yyscanner)
+{
+ free( (char *) ptr ); /* see pprealloc() for (char *) cast */
+}
+
+#define YYTABLES_NAME "yytables"
+
+namespace pp {
+
+// TODO(alokp): Maximum token length should ideally be specified by
+// the preprocessor client, i.e., the compiler.
+const size_t Tokenizer::kMaxTokenLength = 256;
+
+Tokenizer::Tokenizer(Diagnostics* diagnostics) : mHandle(0)
+{
+ mContext.diagnostics = diagnostics;
+}
+
+Tokenizer::~Tokenizer()
+{
+ destroyScanner();
+}
+
+bool Tokenizer::init(int count, const char* const string[], const int length[])
+{
+ if (count < 0) return false;
+ if ((count > 0) && (string == 0)) return false;
+
+ mContext.input = Input(count, string, length);
+ return initScanner();
+}
+
+void Tokenizer::setFileNumber(int file)
+{
+ // We use column number as file number.
+ // See macro yyfileno.
+ ppset_column(file,mHandle);
+}
+
+void Tokenizer::setLineNumber(int line)
+{
+ ppset_lineno(line,mHandle);
+}
+
+void Tokenizer::lex(Token* token)
+{
+ token->type = pplex(&token->text,&token->location,mHandle);
+ if (token->text.size() > kMaxTokenLength)
+ {
+ mContext.diagnostics->report(Diagnostics::TOKEN_TOO_LONG,
+ token->location, token->text);
+ token->text.erase(kMaxTokenLength);
+ }
+
+ token->flags = 0;
+
+ token->setAtStartOfLine(mContext.lineStart);
+ mContext.lineStart = token->type == '\n';
+
+ token->setHasLeadingSpace(mContext.leadingSpace);
+ mContext.leadingSpace = false;
+}
+
+bool Tokenizer::initScanner()
+{
+ if ((mHandle == NULL) && pplex_init_extra(&mContext,&mHandle))
+ return false;
+
+ pprestart(0,mHandle);
+ return true;
+}
+
+void Tokenizer::destroyScanner()
+{
+ if (mHandle == NULL)
+ return;
+
+ pplex_destroy(mHandle);
+ mHandle = NULL;
+}
+
+} // namespace pp
+
diff --git a/src/GLES2/compiler/preprocessor/Tokenizer.h b/src/GLES2/compiler/preprocessor/Tokenizer.h
new file mode 100644
index 0000000..4dbfff2
--- /dev/null
+++ b/src/GLES2/compiler/preprocessor/Tokenizer.h
@@ -0,0 +1,58 @@
+//
+// Copyright (c) 2012 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+#ifndef COMPILER_PREPROCESSOR_TOKENIZER_H_
+#define COMPILER_PREPROCESSOR_TOKENIZER_H_
+
+#include "Input.h"
+#include "Lexer.h"
+#include "pp_utils.h"
+
+namespace pp
+{
+
+class Diagnostics;
+
+class Tokenizer : public Lexer
+{
+ public:
+ struct Context
+ {
+ Diagnostics* diagnostics;
+
+ Input input;
+ // The location where yytext points to. Token location should track
+ // scanLoc instead of Input::mReadLoc because they may not be the same
+ // if text is buffered up in the scanner input buffer.
+ Input::Location scanLoc;
+
+ bool leadingSpace;
+ bool lineStart;
+ };
+ static const size_t kMaxTokenLength;
+
+ Tokenizer(Diagnostics* diagnostics);
+ ~Tokenizer();
+
+ bool init(int count, const char* const string[], const int length[]);
+
+ void setFileNumber(int file);
+ void setLineNumber(int line);
+
+ virtual void lex(Token* token);
+
+ private:
+ PP_DISALLOW_COPY_AND_ASSIGN(Tokenizer);
+ bool initScanner();
+ void destroyScanner();
+
+ void* mHandle; // Scanner handle.
+ Context mContext; // Scanner extra.
+};
+
+} // namespace pp
+#endif // COMPILER_PREPROCESSOR_TOKENIZER_H_
+
diff --git a/src/GLES2/compiler/preprocessor/Tokenizer.l b/src/GLES2/compiler/preprocessor/Tokenizer.l
new file mode 100644
index 0000000..a641707
--- /dev/null
+++ b/src/GLES2/compiler/preprocessor/Tokenizer.l
@@ -0,0 +1,340 @@
+/*
+//
+// Copyright (c) 2002-2011 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+This file contains the Lex specification for GLSL ES preprocessor.
+Based on Microsoft Visual Studio 2010 Preprocessor Grammar:
+http://msdn.microsoft.com/en-us/library/2scxys89.aspx
+
+IF YOU MODIFY THIS FILE YOU ALSO NEED TO RUN generate_parser.sh.
+*/
+
+%top{
+//
+// Copyright (c) 2011 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+// This file is auto-generated by generate_parser.sh. DO NOT EDIT!
+}
+
+%{
+#include "Tokenizer.h"
+
+#include "Diagnostics.h"
+#include "Token.h"
+
+#if defined(__GNUC__)
+// Triggered by the auto-generated yy_fatal_error function.
+#pragma GCC diagnostic ignored "-Wmissing-noreturn"
+#endif
+
+typedef std::string YYSTYPE;
+typedef pp::SourceLocation YYLTYPE;
+
+// Use the unused yycolumn variable to track file (string) number.
+#define yyfileno yycolumn
+
+#define YY_USER_INIT \
+ do { \
+ yyfileno = 0; \
+ yylineno = 1; \
+ yyextra->leadingSpace = false; \
+ yyextra->lineStart = true; \
+ } while(0);
+
+#define YY_USER_ACTION \
+ do \
+ { \
+ pp::Input* input = &yyextra->input; \
+ pp::Input::Location* scanLoc = &yyextra->scanLoc; \
+ while ((scanLoc->sIndex < input->count()) && \
+ (scanLoc->cIndex >= input->length(scanLoc->sIndex))) \
+ { \
+ scanLoc->cIndex -= input->length(scanLoc->sIndex++); \
+ ++yyfileno; yylineno = 1; \
+ } \
+ yylloc->file = yyfileno; \
+ yylloc->line = yylineno; \
+ scanLoc->cIndex += yyleng; \
+ } while(0);
+
+#define YY_INPUT(buf, result, maxSize) \
+ result = yyextra->input.read(buf, maxSize);
+
+%}
+
+%option noyywrap nounput never-interactive
+%option reentrant bison-bridge bison-locations
+%option prefix="pp"
+%option extra-type="pp::Tokenizer::Context*"
+%x COMMENT
+
+NEWLINE \n|\r|\r\n
+IDENTIFIER [_a-zA-Z][_a-zA-Z0-9]*
+PUNCTUATOR [][<>(){}.+-/*%^|&~=!:;,?]
+
+DECIMAL_CONSTANT [1-9][0-9]*
+OCTAL_CONSTANT 0[0-7]*
+HEXADECIMAL_CONSTANT 0[xX][0-9a-fA-F]+
+
+DIGIT [0-9]
+EXPONENT_PART [eE][+-]?{DIGIT}+
+FRACTIONAL_CONSTANT ({DIGIT}*"."{DIGIT}+)|({DIGIT}+".")
+
+%%
+
+ /* Line comment */
+"//"[^\r\n]*
+
+ /* Block comment */
+ /* Line breaks are just counted - not returned. */
+ /* The comment is replaced by a single space. */
+"/*" { BEGIN(COMMENT); }
+<COMMENT>[^*\r\n]+
+<COMMENT>"*"
+<COMMENT>{NEWLINE} { ++yylineno; }
+<COMMENT>"*/" {
+ yyextra->leadingSpace = true;
+ BEGIN(INITIAL);
+}
+
+# {
+ // # is only valid at start of line for preprocessor directives.
+ yylval->assign(1, yytext[0]);
+ return yyextra->lineStart ? pp::Token::PP_HASH : pp::Token::PP_OTHER;
+}
+
+{IDENTIFIER} {
+ yylval->assign(yytext, yyleng);
+ return pp::Token::IDENTIFIER;
+}
+
+{DECIMAL_CONSTANT}|{OCTAL_CONSTANT}|{HEXADECIMAL_CONSTANT} {
+ yylval->assign(yytext, yyleng);
+ return pp::Token::CONST_INT;
+}
+
+({DIGIT}+{EXPONENT_PART})|({FRACTIONAL_CONSTANT}{EXPONENT_PART}?) {
+ yylval->assign(yytext, yyleng);
+ return pp::Token::CONST_FLOAT;
+}
+
+ /* Anything that starts with a {DIGIT} or .{DIGIT} must be a number. */
+ /* Rule to catch all invalid integers and floats. */
+({DIGIT}+[_a-zA-Z0-9.]*)|("."{DIGIT}+[_a-zA-Z0-9.]*) {
+ yylval->assign(yytext, yyleng);
+ return pp::Token::PP_NUMBER;
+}
+
+"++" {
+ yylval->assign(yytext, yyleng);
+ return pp::Token::OP_INC;
+}
+"--" {
+ yylval->assign(yytext, yyleng);
+ return pp::Token::OP_DEC;
+}
+"<<" {
+ yylval->assign(yytext, yyleng);
+ return pp::Token::OP_LEFT;
+}
+">>" {
+ yylval->assign(yytext, yyleng);
+ return pp::Token::OP_RIGHT;
+}
+"<=" {
+ yylval->assign(yytext, yyleng);
+ return pp::Token::OP_LE;
+}
+">=" {
+ yylval->assign(yytext, yyleng);
+ return pp::Token::OP_GE;
+}
+"==" {
+ yylval->assign(yytext, yyleng);
+ return pp::Token::OP_EQ;
+}
+"!=" {
+ yylval->assign(yytext, yyleng);
+ return pp::Token::OP_NE;
+}
+"&&" {
+ yylval->assign(yytext, yyleng);
+ return pp::Token::OP_AND;
+}
+"^^" {
+ yylval->assign(yytext, yyleng);
+ return pp::Token::OP_XOR;
+}
+"||" {
+ yylval->assign(yytext, yyleng);
+ return pp::Token::OP_OR;
+}
+"+=" {
+ yylval->assign(yytext, yyleng);
+ return pp::Token::OP_ADD_ASSIGN;
+}
+"-=" {
+ yylval->assign(yytext, yyleng);
+ return pp::Token::OP_SUB_ASSIGN;
+}
+"*=" {
+ yylval->assign(yytext, yyleng);
+ return pp::Token::OP_MUL_ASSIGN;
+}
+"/=" {
+ yylval->assign(yytext, yyleng);
+ return pp::Token::OP_DIV_ASSIGN;
+}
+"%=" {
+ yylval->assign(yytext, yyleng);
+ return pp::Token::OP_MOD_ASSIGN;
+}
+"<<=" {
+ yylval->assign(yytext, yyleng);
+ return pp::Token::OP_LEFT_ASSIGN;
+}
+">>=" {
+ yylval->assign(yytext, yyleng);
+ return pp::Token::OP_RIGHT_ASSIGN;
+}
+"&=" {
+ yylval->assign(yytext, yyleng);
+ return pp::Token::OP_AND_ASSIGN;
+}
+"^=" {
+ yylval->assign(yytext, yyleng);
+ return pp::Token::OP_XOR_ASSIGN;
+}
+"|=" {
+ yylval->assign(yytext, yyleng);
+ return pp::Token::OP_OR_ASSIGN;
+}
+
+{PUNCTUATOR} {
+ yylval->assign(1, yytext[0]);
+ return yytext[0];
+}
+
+[ \t\v\f]+ { yyextra->leadingSpace = true; }
+
+{NEWLINE} {
+ ++yylineno;
+ yylval->assign(1, '\n');
+ return '\n';
+}
+
+. {
+ yylval->assign(1, yytext[0]);
+ return pp::Token::PP_OTHER;
+}
+
+<*><<EOF>> {
+ // YY_USER_ACTION is not invoked for handling EOF.
+ // Set the location for EOF token manually.
+ pp::Input* input = &yyextra->input;
+ pp::Input::Location* scanLoc = &yyextra->scanLoc;
+ int sIndexMax = std::max(0, input->count() - 1);
+ if (scanLoc->sIndex != sIndexMax)
+ {
+ // We can only reach here if there are empty strings at the
+ // end of the input.
+ scanLoc->sIndex = sIndexMax; scanLoc->cIndex = 0;
+ yyfileno = sIndexMax; yylineno = 1;
+ }
+ yylloc->file = yyfileno;
+ yylloc->line = yylineno;
+ yylval->clear();
+
+ if (YY_START == COMMENT)
+ {
+ yyextra->diagnostics->report(pp::Diagnostics::EOF_IN_COMMENT,
+ pp::SourceLocation(yyfileno, yylineno),
+ "");
+ }
+ yyterminate();
+}
+
+%%
+
+namespace pp {
+
+// TODO(alokp): Maximum token length should ideally be specified by
+// the preprocessor client, i.e., the compiler.
+const size_t Tokenizer::kMaxTokenLength = 256;
+
+Tokenizer::Tokenizer(Diagnostics* diagnostics) : mHandle(0)
+{
+ mContext.diagnostics = diagnostics;
+}
+
+Tokenizer::~Tokenizer()
+{
+ destroyScanner();
+}
+
+bool Tokenizer::init(int count, const char* const string[], const int length[])
+{
+ if (count < 0) return false;
+ if ((count > 0) && (string == 0)) return false;
+
+ mContext.input = Input(count, string, length);
+ return initScanner();
+}
+
+void Tokenizer::setFileNumber(int file)
+{
+ // We use column number as file number.
+ // See macro yyfileno.
+ yyset_column(file, mHandle);
+}
+
+void Tokenizer::setLineNumber(int line)
+{
+ yyset_lineno(line, mHandle);
+}
+
+void Tokenizer::lex(Token* token)
+{
+ token->type = yylex(&token->text, &token->location, mHandle);
+ if (token->text.size() > kMaxTokenLength)
+ {
+ mContext.diagnostics->report(Diagnostics::TOKEN_TOO_LONG,
+ token->location, token->text);
+ token->text.erase(kMaxTokenLength);
+ }
+
+ token->flags = 0;
+
+ token->setAtStartOfLine(mContext.lineStart);
+ mContext.lineStart = token->type == '\n';
+
+ token->setHasLeadingSpace(mContext.leadingSpace);
+ mContext.leadingSpace = false;
+}
+
+bool Tokenizer::initScanner()
+{
+ if ((mHandle == NULL) && yylex_init_extra(&mContext, &mHandle))
+ return false;
+
+ yyrestart(0, mHandle);
+ return true;
+}
+
+void Tokenizer::destroyScanner()
+{
+ if (mHandle == NULL)
+ return;
+
+ yylex_destroy(mHandle);
+ mHandle = NULL;
+}
+
+} // namespace pp
+
diff --git a/src/GLES2/compiler/preprocessor/generate_parser.sh b/src/GLES2/compiler/preprocessor/generate_parser.sh
new file mode 100644
index 0000000..8ffe0e5
--- /dev/null
+++ b/src/GLES2/compiler/preprocessor/generate_parser.sh
@@ -0,0 +1,26 @@
+#!/bin/bash
+# Copyright (c) 2012 The ANGLE Project Authors. All rights reserved.
+# Use of this source code is governed by a BSD-style license that can be
+# found in the LICENSE file.
+
+# Generates various components of GLSL ES preprocessor.
+
+run_flex()
+{
+input_file=$script_dir/$1
+output_source=$script_dir/$2
+flex --noline --nounistd --outfile=$output_source $input_file
+}
+
+run_bison()
+{
+input_file=$script_dir/$1
+output_source=$script_dir/$2
+bison --no-lines --skeleton=yacc.c --output=$output_source $input_file
+}
+
+script_dir=$(dirname $0)
+
+# Generate preprocessor
+run_flex Tokenizer.l Tokenizer.cpp
+run_bison ExpressionParser.y ExpressionParser.cpp
diff --git a/src/GLES2/compiler/preprocessor/length_limits.h b/src/GLES2/compiler/preprocessor/length_limits.h
new file mode 100644
index 0000000..889d468
--- /dev/null
+++ b/src/GLES2/compiler/preprocessor/length_limits.h
@@ -0,0 +1,21 @@
+//
+// Copyright (c) 2011 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+//
+// length_limits.h
+//
+
+#if !defined(__LENGTH_LIMITS_H)
+#define __LENGTH_LIMITS_H 1
+
+// These constants are factored out from the rest of the headers to
+// make it easier to reference them from the compiler sources.
+
+// These lengths do not include the NULL terminator.
+#define MAX_SYMBOL_NAME_LEN 256
+#define MAX_STRING_LEN 511
+
+#endif // !(defined(__LENGTH_LIMITS_H)
diff --git a/src/GLES2/compiler/preprocessor/numeric_lex.h b/src/GLES2/compiler/preprocessor/numeric_lex.h
new file mode 100644
index 0000000..3cdf71f
--- /dev/null
+++ b/src/GLES2/compiler/preprocessor/numeric_lex.h
@@ -0,0 +1,61 @@
+//
+// Copyright (c) 2012 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+// numeric_lex.h: Functions to extract numeric values from string.
+
+#ifndef COMPILER_PREPROCESSOR_NUMERIC_LEX_H_
+#define COMPILER_PREPROCESSOR_NUMERIC_LEX_H_
+
+#include <sstream>
+
+namespace pp {
+
+inline std::ios::fmtflags numeric_base_int(const std::string& str)
+{
+ if ((str.size() >= 2) &&
+ (str[0] == '0') &&
+ (str[1] == 'x' || str[1] == 'X'))
+ {
+ return std::ios::hex;
+ }
+ else if ((str.size() >= 1) && (str[0] == '0'))
+ {
+ return std::ios::oct;
+ }
+ return std::ios::dec;
+}
+
+// The following functions parse the given string to extract a numerical
+// value of the given type. These functions assume that the string is
+// of the correct form. They can only fail if the parsed value is too big,
+// in which case false is returned.
+
+template<typename IntType>
+bool numeric_lex_int(const std::string& str, IntType* value)
+{
+ std::istringstream stream(str);
+ // This should not be necessary, but MSVS has a buggy implementation.
+ // It returns incorrect results if the base is not specified.
+ stream.setf(numeric_base_int(str), std::ios::basefield);
+
+ stream >> (*value);
+ return !stream.fail();
+}
+
+template<typename FloatType>
+bool numeric_lex_float(const std::string& str, FloatType* value)
+{
+ std::istringstream stream(str);
+ // Force "C" locale so that decimal character is always '.', and
+ // not dependent on the current locale.
+ stream.imbue(std::locale::classic());
+
+ stream >> (*value);
+ return !stream.fail();
+}
+
+} // namespace pp.
+#endif // COMPILER_PREPROCESSOR_NUMERIC_LEX_H_
diff --git a/src/GLES2/compiler/preprocessor/pp_utils.h b/src/GLES2/compiler/preprocessor/pp_utils.h
new file mode 100644
index 0000000..9fed659
--- /dev/null
+++ b/src/GLES2/compiler/preprocessor/pp_utils.h
@@ -0,0 +1,18 @@
+//
+// Copyright (c) 2012 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+// pp_utils.h: Common preprocessor utilities
+
+#ifndef COMPILER_PREPROCESSOR_PPUTILS_H_
+#define COMPILER_PREPROCESSOR_PPUTILS_H_
+
+// A macro to disallow the copy constructor and operator= functions
+// This must be used in the private: declarations for a class.
+#define PP_DISALLOW_COPY_AND_ASSIGN(TypeName) \
+ TypeName(const TypeName&); \
+ void operator=(const TypeName&)
+
+#endif // COMPILER_PREPROCESSOR_PPUTILS_H_
diff --git a/src/GLES2/compiler/preprocessor/preprocessor.vcxproj b/src/GLES2/compiler/preprocessor/preprocessor.vcxproj
new file mode 100644
index 0000000..2afb4fe
--- /dev/null
+++ b/src/GLES2/compiler/preprocessor/preprocessor.vcxproj
@@ -0,0 +1,101 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Project DefaultTargets="Build" ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+ <ItemGroup Label="ProjectConfigurations">
+ <ProjectConfiguration Include="Debug|Win32">
+ <Configuration>Debug</Configuration>
+ <Platform>Win32</Platform>
+ </ProjectConfiguration>
+ <ProjectConfiguration Include="Release|Win32">
+ <Configuration>Release</Configuration>
+ <Platform>Win32</Platform>
+ </ProjectConfiguration>
+ </ItemGroup>
+ <PropertyGroup Label="Globals">
+ <ProjectGuid>{92940255-AB4B-42FB-A2C4-0FAB19C3C48A}</ProjectGuid>
+ <RootNamespace>preprocessor</RootNamespace>
+ </PropertyGroup>
+ <Import Project="$(VCTargetsPath)\Microsoft.Cpp.Default.props" />
+ <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'" Label="Configuration">
+ <ConfigurationType>StaticLibrary</ConfigurationType>
+ <UseDebugLibraries>true</UseDebugLibraries>
+ <CharacterSet>NotSet</CharacterSet>
+ </PropertyGroup>
+ <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'" Label="Configuration">
+ <ConfigurationType>StaticLibrary</ConfigurationType>
+ <UseDebugLibraries>false</UseDebugLibraries>
+ <WholeProgramOptimization>true</WholeProgramOptimization>
+ <CharacterSet>NotSet</CharacterSet>
+ </PropertyGroup>
+ <Import Project="$(VCTargetsPath)\Microsoft.Cpp.props" />
+ <ImportGroup Label="ExtensionSettings">
+ </ImportGroup>
+ <ImportGroup Label="PropertySheets" Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">
+ <Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
+ </ImportGroup>
+ <ImportGroup Label="PropertySheets" Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">
+ <Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
+ </ImportGroup>
+ <PropertyGroup Label="UserMacros" />
+ <PropertyGroup />
+ <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">
+ <ClCompile>
+ <WarningLevel>Level3</WarningLevel>
+ <Optimization>Disabled</Optimization>
+ <RuntimeLibrary>MultiThreadedDebug</RuntimeLibrary>
+ </ClCompile>
+ <Link>
+ <GenerateDebugInformation>true</GenerateDebugInformation>
+ </Link>
+ </ItemDefinitionGroup>
+ <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">
+ <ClCompile>
+ <WarningLevel>Level3</WarningLevel>
+ <Optimization>MaxSpeed</Optimization>
+ <FunctionLevelLinking>true</FunctionLevelLinking>
+ <IntrinsicFunctions>true</IntrinsicFunctions>
+ <RuntimeLibrary>MultiThreaded</RuntimeLibrary>
+ </ClCompile>
+ <Link>
+ <GenerateDebugInformation>true</GenerateDebugInformation>
+ <EnableCOMDATFolding>true</EnableCOMDATFolding>
+ <OptimizeReferences>true</OptimizeReferences>
+ </Link>
+ </ItemDefinitionGroup>
+ <ItemGroup>
+ <ClInclude Include="Diagnostics.h" />
+ <ClInclude Include="DirectiveHandler.h" />
+ <ClInclude Include="DirectiveParser.h" />
+ <ClInclude Include="ExpressionParser.h" />
+ <ClInclude Include="Input.h" />
+ <ClInclude Include="length_limits.h" />
+ <ClInclude Include="Lexer.h" />
+ <ClInclude Include="Macro.h" />
+ <ClInclude Include="MacroExpander.h" />
+ <ClInclude Include="numeric_lex.h" />
+ <ClInclude Include="pp_utils.h" />
+ <ClInclude Include="Preprocessor.h" />
+ <ClInclude Include="SourceLocation.h" />
+ <ClInclude Include="Token.h" />
+ <ClInclude Include="Tokenizer.h" />
+ </ItemGroup>
+ <ItemGroup>
+ <ClCompile Include="Diagnostics.cpp" />
+ <ClCompile Include="DirectiveHandler.cpp" />
+ <ClCompile Include="DirectiveParser.cpp" />
+ <ClCompile Include="ExpressionParser.cpp" />
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+ <ClCompile Include="Macro.cpp" />
+ <ClCompile Include="MacroExpander.cpp" />
+ <ClCompile Include="Preprocessor.cpp" />
+ <ClCompile Include="Token.cpp" />
+ <ClCompile Include="Tokenizer.cpp" />
+ </ItemGroup>
+ <ItemGroup>
+ <None Include="ExpressionParser.y" />
+ <None Include="Tokenizer.l" />
+ </ItemGroup>
+ <Import Project="$(VCTargetsPath)\Microsoft.Cpp.targets" />
+ <ImportGroup Label="ExtensionTargets">
+ </ImportGroup>
+</Project>
diff --git a/src/GLES2/compiler/preprocessor/preprocessor.vcxproj.filters b/src/GLES2/compiler/preprocessor/preprocessor.vcxproj.filters
new file mode 100644
index 0000000..d68cbe2
--- /dev/null
+++ b/src/GLES2/compiler/preprocessor/preprocessor.vcxproj.filters
@@ -0,0 +1,103 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Project ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+ <ItemGroup>
+ <Filter Include="Source Files">
+ <UniqueIdentifier>{4FC737F1-C7A5-4376-A066-2A32D752A2FF}</UniqueIdentifier>
+ <Extensions>cpp;c;cc;cxx;def;odl;idl;hpj;bat;asm;asmx</Extensions>
+ </Filter>
+ <Filter Include="Header Files">
+ <UniqueIdentifier>{93995380-89BD-4b04-88EB-625FBE52EBFB}</UniqueIdentifier>
+ <Extensions>h;hpp;hxx;hm;inl;inc;xsd</Extensions>
+ </Filter>
+ <Filter Include="Resource Files">
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+ <Extensions>rc;ico;cur;bmp;dlg;rc2;rct;bin;rgs;gif;jpg;jpeg;jpe;resx;tiff;tif;png;wav;mfcribbon-ms</Extensions>
+ </Filter>
+ </ItemGroup>
+ <ItemGroup>
+ <ClInclude Include="Diagnostics.h">
+ <Filter>Header Files</Filter>
+ </ClInclude>
+ <ClInclude Include="DirectiveHandler.h">
+ <Filter>Header Files</Filter>
+ </ClInclude>
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+ <Filter>Header Files</Filter>
+ </ClInclude>
+ <ClInclude Include="ExpressionParser.h">
+ <Filter>Header Files</Filter>
+ </ClInclude>
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+ <Filter>Header Files</Filter>
+ </ClInclude>
+ <ClInclude Include="length_limits.h">
+ <Filter>Header Files</Filter>
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+ <Filter>Header Files</Filter>
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+ <Filter>Header Files</Filter>
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+ <Filter>Source Files</Filter>
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+ <Filter>Source Files</Filter>
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+ <Filter>Source Files</Filter>
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+ <Filter>Source Files</Filter>
+ </ClCompile>
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+ <Filter>Source Files</Filter>
+ </ClCompile>
+ <ClCompile Include="Lexer.cpp">
+ <Filter>Source Files</Filter>
+ </ClCompile>
+ <ClCompile Include="Macro.cpp">
+ <Filter>Source Files</Filter>
+ </ClCompile>
+ <ClCompile Include="MacroExpander.cpp">
+ <Filter>Source Files</Filter>
+ </ClCompile>
+ <ClCompile Include="Preprocessor.cpp">
+ <Filter>Source Files</Filter>
+ </ClCompile>
+ <ClCompile Include="Token.cpp">
+ <Filter>Source Files</Filter>
+ </ClCompile>
+ <ClCompile Include="Tokenizer.cpp">
+ <Filter>Source Files</Filter>
+ </ClCompile>
+ </ItemGroup>
+ <ItemGroup>
+ <None Include="Tokenizer.l" />
+ <None Include="ExpressionParser.y" />
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+</Project>
diff --git a/src/GLES2/compiler/util.cpp b/src/GLES2/compiler/util.cpp
new file mode 100644
index 0000000..b46e4d0
--- /dev/null
+++ b/src/GLES2/compiler/util.cpp
@@ -0,0 +1,33 @@
+//
+// Copyright (c) 2010 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+#include <math.h>
+#include <stdlib.h>
+
+#include "util.h"
+
+#ifdef _MSC_VER
+ #include <locale.h>
+#else
+ #include <sstream>
+#endif
+
+double atof_dot(const char *str)
+{
+#ifdef _MSC_VER
+ _locale_t l = _create_locale(LC_NUMERIC, "C");
+ double result = _atof_l(str, l);
+ _free_locale(l);
+ return result;
+#else
+ double result;
+ std::istringstream s(str);
+ std::locale l("C");
+ s.imbue(l);
+ s >> result;
+ return result;
+#endif
+}
diff --git a/src/GLES2/compiler/util.h b/src/GLES2/compiler/util.h
new file mode 100644
index 0000000..35288b7
--- /dev/null
+++ b/src/GLES2/compiler/util.h
@@ -0,0 +1,21 @@
+//
+// Copyright (c) 2002-2010 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+#ifndef COMPILER_UTIL_H
+#define COMPILER_UTIL_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+// atof_dot is like atof but forcing C locale, i.e. forcing '.' as decimal point.
+double atof_dot(const char *str);
+
+#ifdef __cplusplus
+} // end extern "C"
+#endif
+
+#endif // COMPILER_UTIL_H
diff --git a/src/GLES2/include/EGL/egl.h b/src/GLES2/include/EGL/egl.h
new file mode 100644
index 0000000..99ea342
--- /dev/null
+++ b/src/GLES2/include/EGL/egl.h
@@ -0,0 +1,329 @@
+/* -*- mode: c; tab-width: 8; -*- */
+/* vi: set sw=4 ts=8: */
+/* Reference version of egl.h for EGL 1.4.
+ * $Revision: 9356 $ on $Date: 2009-10-21 02:52:25 -0700 (Wed, 21 Oct 2009) $
+ */
+
+/*
+** Copyright (c) 2007-2009 The Khronos Group Inc.
+**
+** Permission is hereby granted, free of charge, to any person obtaining a
+** copy of this software and/or associated documentation files (the
+** "Materials"), to deal in the Materials without restriction, including
+** without limitation the rights to use, copy, modify, merge, publish,
+** distribute, sublicense, and/or sell copies of the Materials, and to
+** permit persons to whom the Materials are furnished to do so, subject to
+** the following conditions:
+**
+** The above copyright notice and this permission notice shall be included
+** in all copies or substantial portions of the Materials.
+**
+** THE MATERIALS ARE PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+** EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+** MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+** IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
+** CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+** TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+** MATERIALS OR THE USE OR OTHER DEALINGS IN THE MATERIALS.
+*/
+
+#ifndef __egl_h_
+#define __egl_h_
+
+/* All platform-dependent types and macro boilerplate (such as EGLAPI
+ * and EGLAPIENTRY) should go in eglplatform.h.
+ */
+#include <EGL/eglplatform.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/* EGL Types */
+/* EGLint is defined in eglplatform.h */
+typedef unsigned int EGLBoolean;
+typedef unsigned int EGLenum;
+typedef void *EGLConfig;
+typedef void *EGLContext;
+typedef void *EGLDisplay;
+typedef void *EGLSurface;
+typedef void *EGLClientBuffer;
+
+/* EGL Versioning */
+#define EGL_VERSION_1_0 1
+#define EGL_VERSION_1_1 1
+#define EGL_VERSION_1_2 1
+#define EGL_VERSION_1_3 1
+#define EGL_VERSION_1_4 1
+
+/* EGL Enumerants. Bitmasks and other exceptional cases aside, most
+ * enums are assigned unique values starting at 0x3000.
+ */
+
+/* EGL aliases */
+#define EGL_FALSE 0
+#define EGL_TRUE 1
+
+/* Out-of-band handle values */
+#define EGL_DEFAULT_DISPLAY ((EGLNativeDisplayType)0)
+#define EGL_NO_CONTEXT ((EGLContext)0)
+#define EGL_NO_DISPLAY ((EGLDisplay)0)
+#define EGL_NO_SURFACE ((EGLSurface)0)
+
+/* Out-of-band attribute value */
+#define EGL_DONT_CARE ((EGLint)-1)
+
+/* Errors / GetError return values */
+#define EGL_SUCCESS 0x3000
+#define EGL_NOT_INITIALIZED 0x3001
+#define EGL_BAD_ACCESS 0x3002
+#define EGL_BAD_ALLOC 0x3003
+#define EGL_BAD_ATTRIBUTE 0x3004
+#define EGL_BAD_CONFIG 0x3005
+#define EGL_BAD_CONTEXT 0x3006
+#define EGL_BAD_CURRENT_SURFACE 0x3007
+#define EGL_BAD_DISPLAY 0x3008
+#define EGL_BAD_MATCH 0x3009
+#define EGL_BAD_NATIVE_PIXMAP 0x300A
+#define EGL_BAD_NATIVE_WINDOW 0x300B
+#define EGL_BAD_PARAMETER 0x300C
+#define EGL_BAD_SURFACE 0x300D
+#define EGL_CONTEXT_LOST 0x300E /* EGL 1.1 - IMG_power_management */
+
+/* Reserved 0x300F-0x301F for additional errors */
+
+/* Config attributes */
+#define EGL_BUFFER_SIZE 0x3020
+#define EGL_ALPHA_SIZE 0x3021
+#define EGL_BLUE_SIZE 0x3022
+#define EGL_GREEN_SIZE 0x3023
+#define EGL_RED_SIZE 0x3024
+#define EGL_DEPTH_SIZE 0x3025
+#define EGL_STENCIL_SIZE 0x3026
+#define EGL_CONFIG_CAVEAT 0x3027
+#define EGL_CONFIG_ID 0x3028
+#define EGL_LEVEL 0x3029
+#define EGL_MAX_PBUFFER_HEIGHT 0x302A
+#define EGL_MAX_PBUFFER_PIXELS 0x302B
+#define EGL_MAX_PBUFFER_WIDTH 0x302C
+#define EGL_NATIVE_RENDERABLE 0x302D
+#define EGL_NATIVE_VISUAL_ID 0x302E
+#define EGL_NATIVE_VISUAL_TYPE 0x302F
+#define EGL_SAMPLES 0x3031
+#define EGL_SAMPLE_BUFFERS 0x3032
+#define EGL_SURFACE_TYPE 0x3033
+#define EGL_TRANSPARENT_TYPE 0x3034
+#define EGL_TRANSPARENT_BLUE_VALUE 0x3035
+#define EGL_TRANSPARENT_GREEN_VALUE 0x3036
+#define EGL_TRANSPARENT_RED_VALUE 0x3037
+#define EGL_NONE 0x3038 /* Attrib list terminator */
+#define EGL_BIND_TO_TEXTURE_RGB 0x3039
+#define EGL_BIND_TO_TEXTURE_RGBA 0x303A
+#define EGL_MIN_SWAP_INTERVAL 0x303B
+#define EGL_MAX_SWAP_INTERVAL 0x303C
+#define EGL_LUMINANCE_SIZE 0x303D
+#define EGL_ALPHA_MASK_SIZE 0x303E
+#define EGL_COLOR_BUFFER_TYPE 0x303F
+#define EGL_RENDERABLE_TYPE 0x3040
+#define EGL_MATCH_NATIVE_PIXMAP 0x3041 /* Pseudo-attribute (not queryable) */
+#define EGL_CONFORMANT 0x3042
+
+/* Reserved 0x3041-0x304F for additional config attributes */
+
+/* Config attribute values */
+#define EGL_SLOW_CONFIG 0x3050 /* EGL_CONFIG_CAVEAT value */
+#define EGL_NON_CONFORMANT_CONFIG 0x3051 /* EGL_CONFIG_CAVEAT value */
+#define EGL_TRANSPARENT_RGB 0x3052 /* EGL_TRANSPARENT_TYPE value */
+#define EGL_RGB_BUFFER 0x308E /* EGL_COLOR_BUFFER_TYPE value */
+#define EGL_LUMINANCE_BUFFER 0x308F /* EGL_COLOR_BUFFER_TYPE value */
+
+/* More config attribute values, for EGL_TEXTURE_FORMAT */
+#define EGL_NO_TEXTURE 0x305C
+#define EGL_TEXTURE_RGB 0x305D
+#define EGL_TEXTURE_RGBA 0x305E
+#define EGL_TEXTURE_2D 0x305F
+
+/* Config attribute mask bits */
+#define EGL_PBUFFER_BIT 0x0001 /* EGL_SURFACE_TYPE mask bits */
+#define EGL_PIXMAP_BIT 0x0002 /* EGL_SURFACE_TYPE mask bits */
+#define EGL_WINDOW_BIT 0x0004 /* EGL_SURFACE_TYPE mask bits */
+#define EGL_VG_COLORSPACE_LINEAR_BIT 0x0020 /* EGL_SURFACE_TYPE mask bits */
+#define EGL_VG_ALPHA_FORMAT_PRE_BIT 0x0040 /* EGL_SURFACE_TYPE mask bits */
+#define EGL_MULTISAMPLE_RESOLVE_BOX_BIT 0x0200 /* EGL_SURFACE_TYPE mask bits */
+#define EGL_SWAP_BEHAVIOR_PRESERVED_BIT 0x0400 /* EGL_SURFACE_TYPE mask bits */
+
+#define EGL_OPENGL_ES_BIT 0x0001 /* EGL_RENDERABLE_TYPE mask bits */
+#define EGL_OPENVG_BIT 0x0002 /* EGL_RENDERABLE_TYPE mask bits */
+#define EGL_OPENGL_ES2_BIT 0x0004 /* EGL_RENDERABLE_TYPE mask bits */
+#define EGL_OPENGL_BIT 0x0008 /* EGL_RENDERABLE_TYPE mask bits */
+
+/* QueryString targets */
+#define EGL_VENDOR 0x3053
+#define EGL_VERSION 0x3054
+#define EGL_EXTENSIONS 0x3055
+#define EGL_CLIENT_APIS 0x308D
+
+/* QuerySurface / SurfaceAttrib / CreatePbufferSurface targets */
+#define EGL_HEIGHT 0x3056
+#define EGL_WIDTH 0x3057
+#define EGL_LARGEST_PBUFFER 0x3058
+#define EGL_TEXTURE_FORMAT 0x3080
+#define EGL_TEXTURE_TARGET 0x3081
+#define EGL_MIPMAP_TEXTURE 0x3082
+#define EGL_MIPMAP_LEVEL 0x3083
+#define EGL_RENDER_BUFFER 0x3086
+#define EGL_VG_COLORSPACE 0x3087
+#define EGL_VG_ALPHA_FORMAT 0x3088
+#define EGL_HORIZONTAL_RESOLUTION 0x3090
+#define EGL_VERTICAL_RESOLUTION 0x3091
+#define EGL_PIXEL_ASPECT_RATIO 0x3092
+#define EGL_SWAP_BEHAVIOR 0x3093
+#define EGL_MULTISAMPLE_RESOLVE 0x3099
+
+/* EGL_RENDER_BUFFER values / BindTexImage / ReleaseTexImage buffer targets */
+#define EGL_BACK_BUFFER 0x3084
+#define EGL_SINGLE_BUFFER 0x3085
+
+/* OpenVG color spaces */
+#define EGL_VG_COLORSPACE_sRGB 0x3089 /* EGL_VG_COLORSPACE value */
+#define EGL_VG_COLORSPACE_LINEAR 0x308A /* EGL_VG_COLORSPACE value */
+
+/* OpenVG alpha formats */
+#define EGL_VG_ALPHA_FORMAT_NONPRE 0x308B /* EGL_ALPHA_FORMAT value */
+#define EGL_VG_ALPHA_FORMAT_PRE 0x308C /* EGL_ALPHA_FORMAT value */
+
+/* Constant scale factor by which fractional display resolutions &
+ * aspect ratio are scaled when queried as integer values.
+ */
+#define EGL_DISPLAY_SCALING 10000
+
+/* Unknown display resolution/aspect ratio */
+#define EGL_UNKNOWN ((EGLint)-1)
+
+/* Back buffer swap behaviors */
+#define EGL_BUFFER_PRESERVED 0x3094 /* EGL_SWAP_BEHAVIOR value */
+#define EGL_BUFFER_DESTROYED 0x3095 /* EGL_SWAP_BEHAVIOR value */
+
+/* CreatePbufferFromClientBuffer buffer types */
+#define EGL_OPENVG_IMAGE 0x3096
+
+/* QueryContext targets */
+#define EGL_CONTEXT_CLIENT_TYPE 0x3097
+
+/* CreateContext attributes */
+#define EGL_CONTEXT_CLIENT_VERSION 0x3098
+
+/* Multisample resolution behaviors */
+#define EGL_MULTISAMPLE_RESOLVE_DEFAULT 0x309A /* EGL_MULTISAMPLE_RESOLVE value */
+#define EGL_MULTISAMPLE_RESOLVE_BOX 0x309B /* EGL_MULTISAMPLE_RESOLVE value */
+
+/* BindAPI/QueryAPI targets */
+#define EGL_OPENGL_ES_API 0x30A0
+#define EGL_OPENVG_API 0x30A1
+#define EGL_OPENGL_API 0x30A2
+
+/* GetCurrentSurface targets */
+#define EGL_DRAW 0x3059
+#define EGL_READ 0x305A
+
+/* WaitNative engines */
+#define EGL_CORE_NATIVE_ENGINE 0x305B
+
+/* EGL 1.2 tokens renamed for consistency in EGL 1.3 */
+#define EGL_COLORSPACE EGL_VG_COLORSPACE
+#define EGL_ALPHA_FORMAT EGL_VG_ALPHA_FORMAT
+#define EGL_COLORSPACE_sRGB EGL_VG_COLORSPACE_sRGB
+#define EGL_COLORSPACE_LINEAR EGL_VG_COLORSPACE_LINEAR
+#define EGL_ALPHA_FORMAT_NONPRE EGL_VG_ALPHA_FORMAT_NONPRE
+#define EGL_ALPHA_FORMAT_PRE EGL_VG_ALPHA_FORMAT_PRE
+
+/* EGL extensions must request enum blocks from the Khronos
+ * API Registrar, who maintains the enumerant registry. Submit
+ * a bug in Khronos Bugzilla against task "Registry".
+ */
+
+
+
+/* EGL Functions */
+
+EGLAPI EGLint EGLAPIENTRY eglGetError(void);
+
+EGLAPI EGLDisplay EGLAPIENTRY eglGetDisplay(EGLNativeDisplayType display_id);
+EGLAPI EGLBoolean EGLAPIENTRY eglInitialize(EGLDisplay dpy, EGLint *major, EGLint *minor);
+EGLAPI EGLBoolean EGLAPIENTRY eglTerminate(EGLDisplay dpy);
+
+EGLAPI const char * EGLAPIENTRY eglQueryString(EGLDisplay dpy, EGLint name);
+
+EGLAPI EGLBoolean EGLAPIENTRY eglGetConfigs(EGLDisplay dpy, EGLConfig *configs,
+ EGLint config_size, EGLint *num_config);
+EGLAPI EGLBoolean EGLAPIENTRY eglChooseConfig(EGLDisplay dpy, const EGLint *attrib_list,
+ EGLConfig *configs, EGLint config_size,
+ EGLint *num_config);
+EGLAPI EGLBoolean EGLAPIENTRY eglGetConfigAttrib(EGLDisplay dpy, EGLConfig config,
+ EGLint attribute, EGLint *value);
+
+EGLAPI EGLSurface EGLAPIENTRY eglCreateWindowSurface(EGLDisplay dpy, EGLConfig config,
+ EGLNativeWindowType win,
+ const EGLint *attrib_list);
+EGLAPI EGLSurface EGLAPIENTRY eglCreatePbufferSurface(EGLDisplay dpy, EGLConfig config,
+ const EGLint *attrib_list);
+EGLAPI EGLSurface EGLAPIENTRY eglCreatePixmapSurface(EGLDisplay dpy, EGLConfig config,
+ EGLNativePixmapType pixmap,
+ const EGLint *attrib_list);
+EGLAPI EGLBoolean EGLAPIENTRY eglDestroySurface(EGLDisplay dpy, EGLSurface surface);
+EGLAPI EGLBoolean EGLAPIENTRY eglQuerySurface(EGLDisplay dpy, EGLSurface surface,
+ EGLint attribute, EGLint *value);
+
+EGLAPI EGLBoolean EGLAPIENTRY eglBindAPI(EGLenum api);
+EGLAPI EGLenum EGLAPIENTRY eglQueryAPI(void);
+
+EGLAPI EGLBoolean EGLAPIENTRY eglWaitClient(void);
+
+EGLAPI EGLBoolean EGLAPIENTRY eglReleaseThread(void);
+
+EGLAPI EGLSurface EGLAPIENTRY eglCreatePbufferFromClientBuffer(
+ EGLDisplay dpy, EGLenum buftype, EGLClientBuffer buffer,
+ EGLConfig config, const EGLint *attrib_list);
+
+EGLAPI EGLBoolean EGLAPIENTRY eglSurfaceAttrib(EGLDisplay dpy, EGLSurface surface,
+ EGLint attribute, EGLint value);
+EGLAPI EGLBoolean EGLAPIENTRY eglBindTexImage(EGLDisplay dpy, EGLSurface surface, EGLint buffer);
+EGLAPI EGLBoolean EGLAPIENTRY eglReleaseTexImage(EGLDisplay dpy, EGLSurface surface, EGLint buffer);
+
+
+EGLAPI EGLBoolean EGLAPIENTRY eglSwapInterval(EGLDisplay dpy, EGLint interval);
+
+
+EGLAPI EGLContext EGLAPIENTRY eglCreateContext(EGLDisplay dpy, EGLConfig config,
+ EGLContext share_context,
+ const EGLint *attrib_list);
+EGLAPI EGLBoolean EGLAPIENTRY eglDestroyContext(EGLDisplay dpy, EGLContext ctx);
+EGLAPI EGLBoolean EGLAPIENTRY eglMakeCurrent(EGLDisplay dpy, EGLSurface draw,
+ EGLSurface read, EGLContext ctx);
+
+EGLAPI EGLContext EGLAPIENTRY eglGetCurrentContext(void);
+EGLAPI EGLSurface EGLAPIENTRY eglGetCurrentSurface(EGLint readdraw);
+EGLAPI EGLDisplay EGLAPIENTRY eglGetCurrentDisplay(void);
+EGLAPI EGLBoolean EGLAPIENTRY eglQueryContext(EGLDisplay dpy, EGLContext ctx,
+ EGLint attribute, EGLint *value);
+
+EGLAPI EGLBoolean EGLAPIENTRY eglWaitGL(void);
+EGLAPI EGLBoolean EGLAPIENTRY eglWaitNative(EGLint engine);
+EGLAPI EGLBoolean EGLAPIENTRY eglSwapBuffers(EGLDisplay dpy, EGLSurface surface);
+EGLAPI EGLBoolean EGLAPIENTRY eglCopyBuffers(EGLDisplay dpy, EGLSurface surface,
+ EGLNativePixmapType target);
+
+/* This is a generic function pointer type, whose name indicates it must
+ * be cast to the proper type *and calling convention* before use.
+ */
+typedef void (*__eglMustCastToProperFunctionPointerType)(void);
+
+/* Now, define eglGetProcAddress using the generic function ptr. type */
+EGLAPI __eglMustCastToProperFunctionPointerType EGLAPIENTRY
+ eglGetProcAddress(const char *procname);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* __egl_h_ */
diff --git a/src/GLES2/include/EGL/eglext.h b/src/GLES2/include/EGL/eglext.h
new file mode 100644
index 0000000..b670840
--- /dev/null
+++ b/src/GLES2/include/EGL/eglext.h
@@ -0,0 +1,348 @@
+#ifndef __eglext_h_
+#define __eglext_h_
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/*
+** Copyright (c) 2007-2012 The Khronos Group Inc.
+**
+** Permission is hereby granted, free of charge, to any person obtaining a
+** copy of this software and/or associated documentation files (the
+** "Materials"), to deal in the Materials without restriction, including
+** without limitation the rights to use, copy, modify, merge, publish,
+** distribute, sublicense, and/or sell copies of the Materials, and to
+** permit persons to whom the Materials are furnished to do so, subject to
+** the following conditions:
+**
+** The above copyright notice and this permission notice shall be included
+** in all copies or substantial portions of the Materials.
+**
+** THE MATERIALS ARE PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+** EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+** MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+** IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
+** CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+** TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+** MATERIALS OR THE USE OR OTHER DEALINGS IN THE MATERIALS.
+*/
+
+#include <EGL/eglplatform.h>
+
+/*************************************************************/
+
+/* Header file version number */
+/* Current version at http://www.khronos.org/registry/egl/ */
+/* $Revision: 16473 $ on $Date: 2012-01-04 02:20:48 -0800 (Wed, 04 Jan 2012) $ */
+#define EGL_EGLEXT_VERSION 11
+
+#ifndef EGL_KHR_config_attribs
+#define EGL_KHR_config_attribs 1
+#define EGL_CONFORMANT_KHR 0x3042 /* EGLConfig attribute */
+#define EGL_VG_COLORSPACE_LINEAR_BIT_KHR 0x0020 /* EGL_SURFACE_TYPE bitfield */
+#define EGL_VG_ALPHA_FORMAT_PRE_BIT_KHR 0x0040 /* EGL_SURFACE_TYPE bitfield */
+#endif
+
+#ifndef EGL_KHR_lock_surface
+#define EGL_KHR_lock_surface 1
+#define EGL_READ_SURFACE_BIT_KHR 0x0001 /* EGL_LOCK_USAGE_HINT_KHR bitfield */
+#define EGL_WRITE_SURFACE_BIT_KHR 0x0002 /* EGL_LOCK_USAGE_HINT_KHR bitfield */
+#define EGL_LOCK_SURFACE_BIT_KHR 0x0080 /* EGL_SURFACE_TYPE bitfield */
+#define EGL_OPTIMAL_FORMAT_BIT_KHR 0x0100 /* EGL_SURFACE_TYPE bitfield */
+#define EGL_MATCH_FORMAT_KHR 0x3043 /* EGLConfig attribute */
+#define EGL_FORMAT_RGB_565_EXACT_KHR 0x30C0 /* EGL_MATCH_FORMAT_KHR value */
+#define EGL_FORMAT_RGB_565_KHR 0x30C1 /* EGL_MATCH_FORMAT_KHR value */
+#define EGL_FORMAT_RGBA_8888_EXACT_KHR 0x30C2 /* EGL_MATCH_FORMAT_KHR value */
+#define EGL_FORMAT_RGBA_8888_KHR 0x30C3 /* EGL_MATCH_FORMAT_KHR value */
+#define EGL_MAP_PRESERVE_PIXELS_KHR 0x30C4 /* eglLockSurfaceKHR attribute */
+#define EGL_LOCK_USAGE_HINT_KHR 0x30C5 /* eglLockSurfaceKHR attribute */
+#define EGL_BITMAP_POINTER_KHR 0x30C6 /* eglQuerySurface attribute */
+#define EGL_BITMAP_PITCH_KHR 0x30C7 /* eglQuerySurface attribute */
+#define EGL_BITMAP_ORIGIN_KHR 0x30C8 /* eglQuerySurface attribute */
+#define EGL_BITMAP_PIXEL_RED_OFFSET_KHR 0x30C9 /* eglQuerySurface attribute */
+#define EGL_BITMAP_PIXEL_GREEN_OFFSET_KHR 0x30CA /* eglQuerySurface attribute */
+#define EGL_BITMAP_PIXEL_BLUE_OFFSET_KHR 0x30CB /* eglQuerySurface attribute */
+#define EGL_BITMAP_PIXEL_ALPHA_OFFSET_KHR 0x30CC /* eglQuerySurface attribute */
+#define EGL_BITMAP_PIXEL_LUMINANCE_OFFSET_KHR 0x30CD /* eglQuerySurface attribute */
+#define EGL_LOWER_LEFT_KHR 0x30CE /* EGL_BITMAP_ORIGIN_KHR value */
+#define EGL_UPPER_LEFT_KHR 0x30CF /* EGL_BITMAP_ORIGIN_KHR value */
+#ifdef EGL_EGLEXT_PROTOTYPES
+EGLAPI EGLBoolean EGLAPIENTRY eglLockSurfaceKHR (EGLDisplay display, EGLSurface surface, const EGLint *attrib_list);
+EGLAPI EGLBoolean EGLAPIENTRY eglUnlockSurfaceKHR (EGLDisplay display, EGLSurface surface);
+#endif /* EGL_EGLEXT_PROTOTYPES */
+typedef EGLBoolean (EGLAPIENTRYP PFNEGLLOCKSURFACEKHRPROC) (EGLDisplay display, EGLSurface surface, const EGLint *attrib_list);
+typedef EGLBoolean (EGLAPIENTRYP PFNEGLUNLOCKSURFACEKHRPROC) (EGLDisplay display, EGLSurface surface);
+#endif
+
+#ifndef EGL_KHR_image
+#define EGL_KHR_image 1
+#define EGL_NATIVE_PIXMAP_KHR 0x30B0 /* eglCreateImageKHR target */
+typedef void *EGLImageKHR;
+#define EGL_NO_IMAGE_KHR ((EGLImageKHR)0)
+#ifdef EGL_EGLEXT_PROTOTYPES
+EGLAPI EGLImageKHR EGLAPIENTRY eglCreateImageKHR (EGLDisplay dpy, EGLContext ctx, EGLenum target, EGLClientBuffer buffer, const EGLint *attrib_list);
+EGLAPI EGLBoolean EGLAPIENTRY eglDestroyImageKHR (EGLDisplay dpy, EGLImageKHR image);
+#endif /* EGL_EGLEXT_PROTOTYPES */
+typedef EGLImageKHR (EGLAPIENTRYP PFNEGLCREATEIMAGEKHRPROC) (EGLDisplay dpy, EGLContext ctx, EGLenum target, EGLClientBuffer buffer, const EGLint *attrib_list);
+typedef EGLBoolean (EGLAPIENTRYP PFNEGLDESTROYIMAGEKHRPROC) (EGLDisplay dpy, EGLImageKHR image);
+#endif
+
+#ifndef EGL_KHR_vg_parent_image
+#define EGL_KHR_vg_parent_image 1
+#define EGL_VG_PARENT_IMAGE_KHR 0x30BA /* eglCreateImageKHR target */
+#endif
+
+#ifndef EGL_KHR_gl_texture_2D_image
+#define EGL_KHR_gl_texture_2D_image 1
+#define EGL_GL_TEXTURE_2D_KHR 0x30B1 /* eglCreateImageKHR target */
+#define EGL_GL_TEXTURE_LEVEL_KHR 0x30BC /* eglCreateImageKHR attribute */
+#endif
+
+#ifndef EGL_KHR_gl_texture_cubemap_image
+#define EGL_KHR_gl_texture_cubemap_image 1
+#define EGL_GL_TEXTURE_CUBE_MAP_POSITIVE_X_KHR 0x30B3 /* eglCreateImageKHR target */
+#define EGL_GL_TEXTURE_CUBE_MAP_NEGATIVE_X_KHR 0x30B4 /* eglCreateImageKHR target */
+#define EGL_GL_TEXTURE_CUBE_MAP_POSITIVE_Y_KHR 0x30B5 /* eglCreateImageKHR target */
+#define EGL_GL_TEXTURE_CUBE_MAP_NEGATIVE_Y_KHR 0x30B6 /* eglCreateImageKHR target */
+#define EGL_GL_TEXTURE_CUBE_MAP_POSITIVE_Z_KHR 0x30B7 /* eglCreateImageKHR target */
+#define EGL_GL_TEXTURE_CUBE_MAP_NEGATIVE_Z_KHR 0x30B8 /* eglCreateImageKHR target */
+#endif
+
+#ifndef EGL_KHR_gl_texture_3D_image
+#define EGL_KHR_gl_texture_3D_image 1
+#define EGL_GL_TEXTURE_3D_KHR 0x30B2 /* eglCreateImageKHR target */
+#define EGL_GL_TEXTURE_ZOFFSET_KHR 0x30BD /* eglCreateImageKHR attribute */
+#endif
+
+#ifndef EGL_KHR_gl_renderbuffer_image
+#define EGL_KHR_gl_renderbuffer_image 1
+#define EGL_GL_RENDERBUFFER_KHR 0x30B9 /* eglCreateImageKHR target */
+#endif
+
+#if KHRONOS_SUPPORT_INT64 /* EGLTimeKHR requires 64-bit uint support */
+#ifndef EGL_KHR_reusable_sync
+#define EGL_KHR_reusable_sync 1
+
+typedef void* EGLSyncKHR;
+typedef khronos_utime_nanoseconds_t EGLTimeKHR;
+
+#define EGL_SYNC_STATUS_KHR 0x30F1
+#define EGL_SIGNALED_KHR 0x30F2
+#define EGL_UNSIGNALED_KHR 0x30F3
+#define EGL_TIMEOUT_EXPIRED_KHR 0x30F5
+#define EGL_CONDITION_SATISFIED_KHR 0x30F6
+#define EGL_SYNC_TYPE_KHR 0x30F7
+#define EGL_SYNC_REUSABLE_KHR 0x30FA
+#define EGL_SYNC_FLUSH_COMMANDS_BIT_KHR 0x0001 /* eglClientWaitSyncKHR <flags> bitfield */
+#define EGL_FOREVER_KHR 0xFFFFFFFFFFFFFFFFull
+#define EGL_NO_SYNC_KHR ((EGLSyncKHR)0)
+#ifdef EGL_EGLEXT_PROTOTYPES
+EGLAPI EGLSyncKHR EGLAPIENTRY eglCreateSyncKHR(EGLDisplay dpy, EGLenum type, const EGLint *attrib_list);
+EGLAPI EGLBoolean EGLAPIENTRY eglDestroySyncKHR(EGLDisplay dpy, EGLSyncKHR sync);
+EGLAPI EGLint EGLAPIENTRY eglClientWaitSyncKHR(EGLDisplay dpy, EGLSyncKHR sync, EGLint flags, EGLTimeKHR timeout);
+EGLAPI EGLBoolean EGLAPIENTRY eglSignalSyncKHR(EGLDisplay dpy, EGLSyncKHR sync, EGLenum mode);
+EGLAPI EGLBoolean EGLAPIENTRY eglGetSyncAttribKHR(EGLDisplay dpy, EGLSyncKHR sync, EGLint attribute, EGLint *value);
+#endif /* EGL_EGLEXT_PROTOTYPES */
+typedef EGLSyncKHR (EGLAPIENTRYP PFNEGLCREATESYNCKHRPROC) (EGLDisplay dpy, EGLenum type, const EGLint *attrib_list);
+typedef EGLBoolean (EGLAPIENTRYP PFNEGLDESTROYSYNCKHRPROC) (EGLDisplay dpy, EGLSyncKHR sync);
+typedef EGLint (EGLAPIENTRYP PFNEGLCLIENTWAITSYNCKHRPROC) (EGLDisplay dpy, EGLSyncKHR sync, EGLint flags, EGLTimeKHR timeout);
+typedef EGLBoolean (EGLAPIENTRYP PFNEGLSIGNALSYNCKHRPROC) (EGLDisplay dpy, EGLSyncKHR sync, EGLenum mode);
+typedef EGLBoolean (EGLAPIENTRYP PFNEGLGETSYNCATTRIBKHRPROC) (EGLDisplay dpy, EGLSyncKHR sync, EGLint attribute, EGLint *value);
+#endif
+#endif
+
+#ifndef EGL_KHR_image_base
+#define EGL_KHR_image_base 1
+/* Most interfaces defined by EGL_KHR_image_pixmap above */
+#define EGL_IMAGE_PRESERVED_KHR 0x30D2 /* eglCreateImageKHR attribute */
+#endif
+
+#ifndef EGL_KHR_image_pixmap
+#define EGL_KHR_image_pixmap 1
+/* Interfaces defined by EGL_KHR_image above */
+#endif
+
+#ifndef EGL_IMG_context_priority
+#define EGL_IMG_context_priority 1
+#define EGL_CONTEXT_PRIORITY_LEVEL_IMG 0x3100
+#define EGL_CONTEXT_PRIORITY_HIGH_IMG 0x3101
+#define EGL_CONTEXT_PRIORITY_MEDIUM_IMG 0x3102
+#define EGL_CONTEXT_PRIORITY_LOW_IMG 0x3103
+#endif
+
+#ifndef EGL_KHR_lock_surface2
+#define EGL_KHR_lock_surface2 1
+#define EGL_BITMAP_PIXEL_SIZE_KHR 0x3110
+#endif
+
+#ifndef EGL_NV_coverage_sample
+#define EGL_NV_coverage_sample 1
+#define EGL_COVERAGE_BUFFERS_NV 0x30E0
+#define EGL_COVERAGE_SAMPLES_NV 0x30E1
+#endif
+
+#ifndef EGL_NV_depth_nonlinear
+#define EGL_NV_depth_nonlinear 1
+#define EGL_DEPTH_ENCODING_NV 0x30E2
+#define EGL_DEPTH_ENCODING_NONE_NV 0
+#define EGL_DEPTH_ENCODING_NONLINEAR_NV 0x30E3
+#endif
+
+#if KHRONOS_SUPPORT_INT64 /* EGLTimeNV requires 64-bit uint support */
+#ifndef EGL_NV_sync
+#define EGL_NV_sync 1
+#define EGL_SYNC_PRIOR_COMMANDS_COMPLETE_NV 0x30E6
+#define EGL_SYNC_STATUS_NV 0x30E7
+#define EGL_SIGNALED_NV 0x30E8
+#define EGL_UNSIGNALED_NV 0x30E9
+#define EGL_SYNC_FLUSH_COMMANDS_BIT_NV 0x0001
+#define EGL_FOREVER_NV 0xFFFFFFFFFFFFFFFFull
+#define EGL_ALREADY_SIGNALED_NV 0x30EA
+#define EGL_TIMEOUT_EXPIRED_NV 0x30EB
+#define EGL_CONDITION_SATISFIED_NV 0x30EC
+#define EGL_SYNC_TYPE_NV 0x30ED
+#define EGL_SYNC_CONDITION_NV 0x30EE
+#define EGL_SYNC_FENCE_NV 0x30EF
+#define EGL_NO_SYNC_NV ((EGLSyncNV)0)
+typedef void* EGLSyncNV;
+typedef khronos_utime_nanoseconds_t EGLTimeNV;
+#ifdef EGL_EGLEXT_PROTOTYPES
+EGLSyncNV eglCreateFenceSyncNV (EGLDisplay dpy, EGLenum condition, const EGLint *attrib_list);
+EGLBoolean eglDestroySyncNV (EGLSyncNV sync);
+EGLBoolean eglFenceNV (EGLSyncNV sync);
+EGLint eglClientWaitSyncNV (EGLSyncNV sync, EGLint flags, EGLTimeNV timeout);
+EGLBoolean eglSignalSyncNV (EGLSyncNV sync, EGLenum mode);
+EGLBoolean eglGetSyncAttribNV (EGLSyncNV sync, EGLint attribute, EGLint *value);
+#endif /* EGL_EGLEXT_PROTOTYPES */
+typedef EGLSyncNV (EGLAPIENTRYP PFNEGLCREATEFENCESYNCNVPROC) (EGLDisplay dpy, EGLenum condition, const EGLint *attrib_list);
+typedef EGLBoolean (EGLAPIENTRYP PFNEGLDESTROYSYNCNVPROC) (EGLSyncNV sync);
+typedef EGLBoolean (EGLAPIENTRYP PFNEGLFENCENVPROC) (EGLSyncNV sync);
+typedef EGLint (EGLAPIENTRYP PFNEGLCLIENTWAITSYNCNVPROC) (EGLSyncNV sync, EGLint flags, EGLTimeNV timeout);
+typedef EGLBoolean (EGLAPIENTRYP PFNEGLSIGNALSYNCNVPROC) (EGLSyncNV sync, EGLenum mode);
+typedef EGLBoolean (EGLAPIENTRYP PFNEGLGETSYNCATTRIBNVPROC) (EGLSyncNV sync, EGLint attribute, EGLint *value);
+#endif
+#endif
+
+#if KHRONOS_SUPPORT_INT64 /* Dependent on EGL_KHR_reusable_sync which requires 64-bit uint support */
+#ifndef EGL_KHR_fence_sync
+#define EGL_KHR_fence_sync 1
+/* Reuses most tokens and entry points from EGL_KHR_reusable_sync */
+#define EGL_SYNC_PRIOR_COMMANDS_COMPLETE_KHR 0x30F0
+#define EGL_SYNC_CONDITION_KHR 0x30F8
+#define EGL_SYNC_FENCE_KHR 0x30F9
+#endif
+#endif
+
+#ifndef EGL_HI_clientpixmap
+#define EGL_HI_clientpixmap 1
+
+/* Surface Attribute */
+#define EGL_CLIENT_PIXMAP_POINTER_HI 0x8F74
+/*
+ * Structure representing a client pixmap
+ * (pixmap's data is in client-space memory).
+ */
+struct EGLClientPixmapHI
+{
+ void* pData;
+ EGLint iWidth;
+ EGLint iHeight;
+ EGLint iStride;
+};
+
+#ifdef EGL_EGLEXT_PROTOTYPES
+EGLAPI EGLSurface EGLAPIENTRY eglCreatePixmapSurfaceHI(EGLDisplay dpy, EGLConfig config, struct EGLClientPixmapHI* pixmap);
+#endif /* EGL_EGLEXT_PROTOTYPES */
+typedef EGLSurface (EGLAPIENTRYP PFNEGLCREATEPIXMAPSURFACEHIPROC) (EGLDisplay dpy, EGLConfig config, struct EGLClientPixmapHI* pixmap);
+#endif /* EGL_HI_clientpixmap */
+
+#ifndef EGL_HI_colorformats
+#define EGL_HI_colorformats 1
+/* Config Attribute */
+#define EGL_COLOR_FORMAT_HI 0x8F70
+/* Color Formats */
+#define EGL_COLOR_RGB_HI 0x8F71
+#define EGL_COLOR_RGBA_HI 0x8F72
+#define EGL_COLOR_ARGB_HI 0x8F73
+#endif /* EGL_HI_colorformats */
+
+#ifndef EGL_MESA_drm_image
+#define EGL_MESA_drm_image 1
+#define EGL_DRM_BUFFER_FORMAT_MESA 0x31D0 /* CreateDRMImageMESA attribute */
+#define EGL_DRM_BUFFER_USE_MESA 0x31D1 /* CreateDRMImageMESA attribute */
+#define EGL_DRM_BUFFER_FORMAT_ARGB32_MESA 0x31D2 /* EGL_IMAGE_FORMAT_MESA attribute value */
+#define EGL_DRM_BUFFER_MESA 0x31D3 /* eglCreateImageKHR target */
+#define EGL_DRM_BUFFER_STRIDE_MESA 0x31D4
+#define EGL_DRM_BUFFER_USE_SCANOUT_MESA 0x00000001 /* EGL_DRM_BUFFER_USE_MESA bits */
+#define EGL_DRM_BUFFER_USE_SHARE_MESA 0x00000002 /* EGL_DRM_BUFFER_USE_MESA bits */
+#ifdef EGL_EGLEXT_PROTOTYPES
+EGLAPI EGLImageKHR EGLAPIENTRY eglCreateDRMImageMESA (EGLDisplay dpy, const EGLint *attrib_list);
+EGLAPI EGLBoolean EGLAPIENTRY eglExportDRMImageMESA (EGLDisplay dpy, EGLImageKHR image, EGLint *name, EGLint *handle, EGLint *stride);
+#endif /* EGL_EGLEXT_PROTOTYPES */
+typedef EGLImageKHR (EGLAPIENTRYP PFNEGLCREATEDRMIMAGEMESAPROC) (EGLDisplay dpy, const EGLint *attrib_list);
+typedef EGLBoolean (EGLAPIENTRYP PFNEGLEXPORTDRMIMAGEMESAPROC) (EGLDisplay dpy, EGLImageKHR image, EGLint *name, EGLint *handle, EGLint *stride);
+#endif
+
+#ifndef EGL_NV_post_sub_buffer
+#define EGL_NV_post_sub_buffer 1
+#define EGL_POST_SUB_BUFFER_SUPPORTED_NV 0x30BE
+#ifdef EGL_EGLEXT_PROTOTYPES
+EGLAPI EGLBoolean EGLAPIENTRY eglPostSubBufferNV (EGLDisplay dpy, EGLSurface surface, EGLint x, EGLint y, EGLint width, EGLint height);
+#endif /* EGL_EGLEXT_PROTOTYPES */
+typedef EGLBoolean (EGLAPIENTRYP PFNEGLPOSTSUBBUFFERNVPROC) (EGLDisplay dpy, EGLSurface surface, EGLint x, EGLint y, EGLint width, EGLint height);
+#endif
+
+#ifndef EGL_ANGLE_query_surface_pointer
+#define EGL_ANGLE_query_surface_pointer 1
+#ifdef EGL_EGLEXT_PROTOTYPES
+EGLAPI EGLBoolean eglQuerySurfacePointerANGLE(EGLDisplay dpy, EGLSurface surface, EGLint attribute, void **value);
+#endif
+typedef EGLBoolean (EGLAPIENTRYP PFNEGLQUERYSURFACEPOINTERANGLEPROC) (EGLDisplay dpy, EGLSurface surface, EGLint attribute, void **value);
+#endif
+
+#ifndef EGL_ANGLE_software_display
+#define EGL_ANGLE_software_display 1
+#define EGL_SOFTWARE_DISPLAY_ANGLE ((EGLNativeDisplayType)-1)
+#endif
+
+#ifndef EGL_ANGLE_surface_d3d_texture_2d_share_handle
+#define EGL_ANGLE_surface_d3d_texture_2d_share_handle 1
+#define EGL_D3D_TEXTURE_2D_SHARE_HANDLE_ANGLE 0x3200
+#endif
+
+#ifndef EGL_NV_coverage_sample_resolve
+#define EGL_NV_coverage_sample_resolve 1
+#define EGL_COVERAGE_SAMPLE_RESOLVE_NV 0x3131
+#define EGL_COVERAGE_SAMPLE_RESOLVE_DEFAULT_NV 0x3132
+#define EGL_COVERAGE_SAMPLE_RESOLVE_NONE_NV 0x3133
+#endif
+
+#if KHRONOS_SUPPORT_INT64 /* EGLTimeKHR requires 64-bit uint support */
+#ifndef EGL_NV_system_time
+#define EGL_NV_system_time 1
+
+typedef khronos_utime_nanoseconds_t EGLuint64NV;
+
+#ifdef EGL_EGLEXT_PROTOTYPES
+EGLAPI EGLuint64NV EGLAPIENTRY eglGetSystemTimeFrequencyNV(void);
+EGLAPI EGLuint64NV EGLAPIENTRY eglGetSystemTimeNV(void);
+#endif /* EGL_EGLEXT_PROTOTYPES */
+typedef EGLuint64NV (EGLAPIENTRYP PFNEGLGETSYSTEMTIMEFREQUENCYNVPROC) (void);
+typedef EGLuint64NV (EGLAPIENTRYP PFNEGLGETSYSTEMTIMENVPROC) (void);
+#endif
+#endif
+
+#ifndef EGL_EXT_create_context_robustness
+#define EGL_EXT_create_context_robustness 1
+#define EGL_CONTEXT_OPENGL_ROBUST_ACCESS_EXT 0x30BF
+#define EGL_CONTEXT_OPENGL_RESET_NOTIFICATION_STRATEGY_EXT 0x3138
+#define EGL_NO_RESET_NOTIFICATION_EXT 0x31BE
+#define EGL_LOSE_CONTEXT_ON_RESET_EXT 0x31BF
+#endif
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif
diff --git a/src/GLES2/include/EGL/eglplatform.h b/src/GLES2/include/EGL/eglplatform.h
new file mode 100644
index 0000000..34283f2
--- /dev/null
+++ b/src/GLES2/include/EGL/eglplatform.h
@@ -0,0 +1,129 @@
+#ifndef __eglplatform_h_
+#define __eglplatform_h_
+
+/*
+** Copyright (c) 2007-2009 The Khronos Group Inc.
+**
+** Permission is hereby granted, free of charge, to any person obtaining a
+** copy of this software and/or associated documentation files (the
+** "Materials"), to deal in the Materials without restriction, including
+** without limitation the rights to use, copy, modify, merge, publish,
+** distribute, sublicense, and/or sell copies of the Materials, and to
+** permit persons to whom the Materials are furnished to do so, subject to
+** the following conditions:
+**
+** The above copyright notice and this permission notice shall be included
+** in all copies or substantial portions of the Materials.
+**
+** THE MATERIALS ARE PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+** EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+** MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+** IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
+** CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+** TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+** MATERIALS OR THE USE OR OTHER DEALINGS IN THE MATERIALS.
+*/
+
+/* Platform-specific types and definitions for egl.h
+ * $Revision: 12306 $ on $Date: 2010-08-25 09:51:28 -0700 (Wed, 25 Aug 2010) $
+ *
+ * Adopters may modify khrplatform.h and this file to suit their platform.
+ * You are encouraged to submit all modifications to the Khronos group so that
+ * they can be included in future versions of this file. Please submit changes
+ * by sending them to the public Khronos Bugzilla (http://khronos.org/bugzilla)
+ * by filing a bug against product "EGL" component "Registry".
+ */
+
+#include <KHR/khrplatform.h>
+
+/* Macros used in EGL function prototype declarations.
+ *
+ * EGL functions should be prototyped as:
+ *
+ * EGLAPI return-type EGLAPIENTRY eglFunction(arguments);
+ * typedef return-type (EXPAPIENTRYP PFNEGLFUNCTIONPROC) (arguments);
+ *
+ * KHRONOS_APICALL and KHRONOS_APIENTRY are defined in KHR/khrplatform.h
+ */
+
+#ifndef EGLAPI
+#define EGLAPI KHRONOS_APICALL
+#endif
+
+#ifndef EGLAPIENTRY
+#define EGLAPIENTRY KHRONOS_APIENTRY
+#endif
+#define EGLAPIENTRYP EGLAPIENTRY*
+
+/* The types NativeDisplayType, NativeWindowType, and NativePixmapType
+ * are aliases of window-system-dependent types, such as X Display * or
+ * Windows Device Context. They must be defined in platform-specific
+ * code below. The EGL-prefixed versions of Native*Type are the same
+ * types, renamed in EGL 1.3 so all types in the API start with "EGL".
+ *
+ * Khronos STRONGLY RECOMMENDS that you use the default definitions
+ * provided below, since these changes affect both binary and source
+ * portability of applications using EGL running on different EGL
+ * implementations.
+ */
+
+#if defined(_WIN32) || defined(__VC32__) && !defined(__CYGWIN__) && !defined(__SCITECH_SNAP__) /* Win32 and WinCE */
+#ifndef WIN32_LEAN_AND_MEAN
+#define WIN32_LEAN_AND_MEAN 1
+#endif
+#include <windows.h>
+
+typedef HDC EGLNativeDisplayType;
+typedef HBITMAP EGLNativePixmapType;
+typedef HWND EGLNativeWindowType;
+
+#elif defined(__WINSCW__) || defined(__SYMBIAN32__) /* Symbian */
+
+typedef int EGLNativeDisplayType;
+typedef void *EGLNativeWindowType;
+typedef void *EGLNativePixmapType;
+
+#elif defined(WL_EGL_PLATFORM)
+
+typedef struct wl_display *EGLNativeDisplayType;
+typedef struct wl_egl_pixmap *EGLNativePixmapType;
+typedef struct wl_egl_window *EGLNativeWindowType;
+
+#elif defined(__unix__) && !defined(ANDROID)
+
+/* X11 (tentative) */
+#include <X11/Xlib.h>
+#include <X11/Xutil.h>
+
+typedef Display *EGLNativeDisplayType;
+typedef Pixmap EGLNativePixmapType;
+typedef Window EGLNativeWindowType;
+
+#elif defined(ANDROID)
+
+struct egl_native_pixmap_t;
+
+typedef struct ANativeWindow* EGLNativeWindowType;
+typedef struct egl_native_pixmap_t* EGLNativePixmapType;
+typedef void* EGLNativeDisplayType;
+
+#else
+#error "Platform not recognized"
+#endif
+
+/* EGL 1.2 types, renamed for consistency in EGL 1.3 */
+typedef EGLNativeDisplayType NativeDisplayType;
+typedef EGLNativePixmapType NativePixmapType;
+typedef EGLNativeWindowType NativeWindowType;
+
+
+/* Define EGLint. This must be a signed integral type large enough to contain
+ * all legal attribute names and values passed into and out of EGL, whether
+ * their type is boolean, bitmask, enumerant (symbolic constant), integer,
+ * handle, or other. While in general a 32-bit integer will suffice, if
+ * handles are 64 bit types, then EGLint should be defined as a signed 64-bit
+ * integer type.
+ */
+typedef khronos_int32_t EGLint;
+
+#endif /* __eglplatform_h */
diff --git a/src/GLES2/include/GLES2/gl2.h b/src/GLES2/include/GLES2/gl2.h
new file mode 100644
index 0000000..e1d3b87
--- /dev/null
+++ b/src/GLES2/include/GLES2/gl2.h
@@ -0,0 +1,621 @@
+#ifndef __gl2_h_
+#define __gl2_h_
+
+/* $Revision: 10602 $ on $Date:: 2010-03-04 22:35:34 -0800 #$ */
+
+#include <GLES2/gl2platform.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/*
+ * This document is licensed under the SGI Free Software B License Version
+ * 2.0. For details, see http://oss.sgi.com/projects/FreeB/ .
+ */
+
+/*-------------------------------------------------------------------------
+ * Data type definitions
+ *-----------------------------------------------------------------------*/
+
+typedef void GLvoid;
+typedef char GLchar;
+typedef unsigned int GLenum;
+typedef unsigned char GLboolean;
+typedef unsigned int GLbitfield;
+typedef khronos_int8_t GLbyte;
+typedef short GLshort;
+typedef int GLint;
+typedef int GLsizei;
+typedef khronos_uint8_t GLubyte;
+typedef unsigned short GLushort;
+typedef unsigned int GLuint;
+typedef khronos_float_t GLfloat;
+typedef khronos_float_t GLclampf;
+typedef khronos_int32_t GLfixed;
+
+/* GL types for handling large vertex buffer objects */
+typedef khronos_intptr_t GLintptr;
+typedef khronos_ssize_t GLsizeiptr;
+
+/* OpenGL ES core versions */
+#define GL_ES_VERSION_2_0 1
+
+/* ClearBufferMask */
+#define GL_DEPTH_BUFFER_BIT 0x00000100
+#define GL_STENCIL_BUFFER_BIT 0x00000400
+#define GL_COLOR_BUFFER_BIT 0x00004000
+
+/* Boolean */
+#define GL_FALSE 0
+#define GL_TRUE 1
+
+/* BeginMode */
+#define GL_POINTS 0x0000
+#define GL_LINES 0x0001
+#define GL_LINE_LOOP 0x0002
+#define GL_LINE_STRIP 0x0003
+#define GL_TRIANGLES 0x0004
+#define GL_TRIANGLE_STRIP 0x0005
+#define GL_TRIANGLE_FAN 0x0006
+
+/* AlphaFunction (not supported in ES20) */
+/* GL_NEVER */
+/* GL_LESS */
+/* GL_EQUAL */
+/* GL_LEQUAL */
+/* GL_GREATER */
+/* GL_NOTEQUAL */
+/* GL_GEQUAL */
+/* GL_ALWAYS */
+
+/* BlendingFactorDest */
+#define GL_ZERO 0
+#define GL_ONE 1
+#define GL_SRC_COLOR 0x0300
+#define GL_ONE_MINUS_SRC_COLOR 0x0301
+#define GL_SRC_ALPHA 0x0302
+#define GL_ONE_MINUS_SRC_ALPHA 0x0303
+#define GL_DST_ALPHA 0x0304
+#define GL_ONE_MINUS_DST_ALPHA 0x0305
+
+/* BlendingFactorSrc */
+/* GL_ZERO */
+/* GL_ONE */
+#define GL_DST_COLOR 0x0306
+#define GL_ONE_MINUS_DST_COLOR 0x0307
+#define GL_SRC_ALPHA_SATURATE 0x0308
+/* GL_SRC_ALPHA */
+/* GL_ONE_MINUS_SRC_ALPHA */
+/* GL_DST_ALPHA */
+/* GL_ONE_MINUS_DST_ALPHA */
+
+/* BlendEquationSeparate */
+#define GL_FUNC_ADD 0x8006
+#define GL_BLEND_EQUATION 0x8009
+#define GL_BLEND_EQUATION_RGB 0x8009 /* same as BLEND_EQUATION */
+#define GL_BLEND_EQUATION_ALPHA 0x883D
+
+/* BlendSubtract */
+#define GL_FUNC_SUBTRACT 0x800A
+#define GL_FUNC_REVERSE_SUBTRACT 0x800B
+
+/* Separate Blend Functions */
+#define GL_BLEND_DST_RGB 0x80C8
+#define GL_BLEND_SRC_RGB 0x80C9
+#define GL_BLEND_DST_ALPHA 0x80CA
+#define GL_BLEND_SRC_ALPHA 0x80CB
+#define GL_CONSTANT_COLOR 0x8001
+#define GL_ONE_MINUS_CONSTANT_COLOR 0x8002
+#define GL_CONSTANT_ALPHA 0x8003
+#define GL_ONE_MINUS_CONSTANT_ALPHA 0x8004
+#define GL_BLEND_COLOR 0x8005
+
+/* Buffer Objects */
+#define GL_ARRAY_BUFFER 0x8892
+#define GL_ELEMENT_ARRAY_BUFFER 0x8893
+#define GL_ARRAY_BUFFER_BINDING 0x8894
+#define GL_ELEMENT_ARRAY_BUFFER_BINDING 0x8895
+
+#define GL_STREAM_DRAW 0x88E0
+#define GL_STATIC_DRAW 0x88E4
+#define GL_DYNAMIC_DRAW 0x88E8
+
+#define GL_BUFFER_SIZE 0x8764
+#define GL_BUFFER_USAGE 0x8765
+
+#define GL_CURRENT_VERTEX_ATTRIB 0x8626
+
+/* CullFaceMode */
+#define GL_FRONT 0x0404
+#define GL_BACK 0x0405
+#define GL_FRONT_AND_BACK 0x0408
+
+/* DepthFunction */
+/* GL_NEVER */
+/* GL_LESS */
+/* GL_EQUAL */
+/* GL_LEQUAL */
+/* GL_GREATER */
+/* GL_NOTEQUAL */
+/* GL_GEQUAL */
+/* GL_ALWAYS */
+
+/* EnableCap */
+#define GL_TEXTURE_2D 0x0DE1
+#define GL_CULL_FACE 0x0B44
+#define GL_BLEND 0x0BE2
+#define GL_DITHER 0x0BD0
+#define GL_STENCIL_TEST 0x0B90
+#define GL_DEPTH_TEST 0x0B71
+#define GL_SCISSOR_TEST 0x0C11
+#define GL_POLYGON_OFFSET_FILL 0x8037
+#define GL_SAMPLE_ALPHA_TO_COVERAGE 0x809E
+#define GL_SAMPLE_COVERAGE 0x80A0
+
+/* ErrorCode */
+#define GL_NO_ERROR 0
+#define GL_INVALID_ENUM 0x0500
+#define GL_INVALID_VALUE 0x0501
+#define GL_INVALID_OPERATION 0x0502
+#define GL_OUT_OF_MEMORY 0x0505
+
+/* FrontFaceDirection */
+#define GL_CW 0x0900
+#define GL_CCW 0x0901
+
+/* GetPName */
+#define GL_LINE_WIDTH 0x0B21
+#define GL_ALIASED_POINT_SIZE_RANGE 0x846D
+#define GL_ALIASED_LINE_WIDTH_RANGE 0x846E
+#define GL_CULL_FACE_MODE 0x0B45
+#define GL_FRONT_FACE 0x0B46
+#define GL_DEPTH_RANGE 0x0B70
+#define GL_DEPTH_WRITEMASK 0x0B72
+#define GL_DEPTH_CLEAR_VALUE 0x0B73
+#define GL_DEPTH_FUNC 0x0B74
+#define GL_STENCIL_CLEAR_VALUE 0x0B91
+#define GL_STENCIL_FUNC 0x0B92
+#define GL_STENCIL_FAIL 0x0B94
+#define GL_STENCIL_PASS_DEPTH_FAIL 0x0B95
+#define GL_STENCIL_PASS_DEPTH_PASS 0x0B96
+#define GL_STENCIL_REF 0x0B97
+#define GL_STENCIL_VALUE_MASK 0x0B93
+#define GL_STENCIL_WRITEMASK 0x0B98
+#define GL_STENCIL_BACK_FUNC 0x8800
+#define GL_STENCIL_BACK_FAIL 0x8801
+#define GL_STENCIL_BACK_PASS_DEPTH_FAIL 0x8802
+#define GL_STENCIL_BACK_PASS_DEPTH_PASS 0x8803
+#define GL_STENCIL_BACK_REF 0x8CA3
+#define GL_STENCIL_BACK_VALUE_MASK 0x8CA4
+#define GL_STENCIL_BACK_WRITEMASK 0x8CA5
+#define GL_VIEWPORT 0x0BA2
+#define GL_SCISSOR_BOX 0x0C10
+/* GL_SCISSOR_TEST */
+#define GL_COLOR_CLEAR_VALUE 0x0C22
+#define GL_COLOR_WRITEMASK 0x0C23
+#define GL_UNPACK_ALIGNMENT 0x0CF5
+#define GL_PACK_ALIGNMENT 0x0D05
+#define GL_MAX_TEXTURE_SIZE 0x0D33
+#define GL_MAX_VIEWPORT_DIMS 0x0D3A
+#define GL_SUBPIXEL_BITS 0x0D50
+#define GL_RED_BITS 0x0D52
+#define GL_GREEN_BITS 0x0D53
+#define GL_BLUE_BITS 0x0D54
+#define GL_ALPHA_BITS 0x0D55
+#define GL_DEPTH_BITS 0x0D56
+#define GL_STENCIL_BITS 0x0D57
+#define GL_POLYGON_OFFSET_UNITS 0x2A00
+/* GL_POLYGON_OFFSET_FILL */
+#define GL_POLYGON_OFFSET_FACTOR 0x8038
+#define GL_TEXTURE_BINDING_2D 0x8069
+#define GL_SAMPLE_BUFFERS 0x80A8
+#define GL_SAMPLES 0x80A9
+#define GL_SAMPLE_COVERAGE_VALUE 0x80AA
+#define GL_SAMPLE_COVERAGE_INVERT 0x80AB
+
+/* GetTextureParameter */
+/* GL_TEXTURE_MAG_FILTER */
+/* GL_TEXTURE_MIN_FILTER */
+/* GL_TEXTURE_WRAP_S */
+/* GL_TEXTURE_WRAP_T */
+
+#define GL_NUM_COMPRESSED_TEXTURE_FORMATS 0x86A2
+#define GL_COMPRESSED_TEXTURE_FORMATS 0x86A3
+
+/* HintMode */
+#define GL_DONT_CARE 0x1100
+#define GL_FASTEST 0x1101
+#define GL_NICEST 0x1102
+
+/* HintTarget */
+#define GL_GENERATE_MIPMAP_HINT 0x8192
+
+/* DataType */
+#define GL_BYTE 0x1400
+#define GL_UNSIGNED_BYTE 0x1401
+#define GL_SHORT 0x1402
+#define GL_UNSIGNED_SHORT 0x1403
+#define GL_INT 0x1404
+#define GL_UNSIGNED_INT 0x1405
+#define GL_FLOAT 0x1406
+#define GL_FIXED 0x140C
+
+/* PixelFormat */
+#define GL_DEPTH_COMPONENT 0x1902
+#define GL_ALPHA 0x1906
+#define GL_RGB 0x1907
+#define GL_RGBA 0x1908
+#define GL_LUMINANCE 0x1909
+#define GL_LUMINANCE_ALPHA 0x190A
+
+/* PixelType */
+/* GL_UNSIGNED_BYTE */
+#define GL_UNSIGNED_SHORT_4_4_4_4 0x8033
+#define GL_UNSIGNED_SHORT_5_5_5_1 0x8034
+#define GL_UNSIGNED_SHORT_5_6_5 0x8363
+
+/* Shaders */
+#define GL_FRAGMENT_SHADER 0x8B30
+#define GL_VERTEX_SHADER 0x8B31
+#define GL_MAX_VERTEX_ATTRIBS 0x8869
+#define GL_MAX_VERTEX_UNIFORM_VECTORS 0x8DFB
+#define GL_MAX_VARYING_VECTORS 0x8DFC
+#define GL_MAX_COMBINED_TEXTURE_IMAGE_UNITS 0x8B4D
+#define GL_MAX_VERTEX_TEXTURE_IMAGE_UNITS 0x8B4C
+#define GL_MAX_TEXTURE_IMAGE_UNITS 0x8872
+#define GL_MAX_FRAGMENT_UNIFORM_VECTORS 0x8DFD
+#define GL_SHADER_TYPE 0x8B4F
+#define GL_DELETE_STATUS 0x8B80
+#define GL_LINK_STATUS 0x8B82
+#define GL_VALIDATE_STATUS 0x8B83
+#define GL_ATTACHED_SHADERS 0x8B85
+#define GL_ACTIVE_UNIFORMS 0x8B86
+#define GL_ACTIVE_UNIFORM_MAX_LENGTH 0x8B87
+#define GL_ACTIVE_ATTRIBUTES 0x8B89
+#define GL_ACTIVE_ATTRIBUTE_MAX_LENGTH 0x8B8A
+#define GL_SHADING_LANGUAGE_VERSION 0x8B8C
+#define GL_CURRENT_PROGRAM 0x8B8D
+
+/* StencilFunction */
+#define GL_NEVER 0x0200
+#define GL_LESS 0x0201
+#define GL_EQUAL 0x0202
+#define GL_LEQUAL 0x0203
+#define GL_GREATER 0x0204
+#define GL_NOTEQUAL 0x0205
+#define GL_GEQUAL 0x0206
+#define GL_ALWAYS 0x0207
+
+/* StencilOp */
+/* GL_ZERO */
+#define GL_KEEP 0x1E00
+#define GL_REPLACE 0x1E01
+#define GL_INCR 0x1E02
+#define GL_DECR 0x1E03
+#define GL_INVERT 0x150A
+#define GL_INCR_WRAP 0x8507
+#define GL_DECR_WRAP 0x8508
+
+/* StringName */
+#define GL_VENDOR 0x1F00
+#define GL_RENDERER 0x1F01
+#define GL_VERSION 0x1F02
+#define GL_EXTENSIONS 0x1F03
+
+/* TextureMagFilter */
+#define GL_NEAREST 0x2600
+#define GL_LINEAR 0x2601
+
+/* TextureMinFilter */
+/* GL_NEAREST */
+/* GL_LINEAR */
+#define GL_NEAREST_MIPMAP_NEAREST 0x2700
+#define GL_LINEAR_MIPMAP_NEAREST 0x2701
+#define GL_NEAREST_MIPMAP_LINEAR 0x2702
+#define GL_LINEAR_MIPMAP_LINEAR 0x2703
+
+/* TextureParameterName */
+#define GL_TEXTURE_MAG_FILTER 0x2800
+#define GL_TEXTURE_MIN_FILTER 0x2801
+#define GL_TEXTURE_WRAP_S 0x2802
+#define GL_TEXTURE_WRAP_T 0x2803
+
+/* TextureTarget */
+/* GL_TEXTURE_2D */
+#define GL_TEXTURE 0x1702
+
+#define GL_TEXTURE_CUBE_MAP 0x8513
+#define GL_TEXTURE_BINDING_CUBE_MAP 0x8514
+#define GL_TEXTURE_CUBE_MAP_POSITIVE_X 0x8515
+#define GL_TEXTURE_CUBE_MAP_NEGATIVE_X 0x8516
+#define GL_TEXTURE_CUBE_MAP_POSITIVE_Y 0x8517
+#define GL_TEXTURE_CUBE_MAP_NEGATIVE_Y 0x8518
+#define GL_TEXTURE_CUBE_MAP_POSITIVE_Z 0x8519
+#define GL_TEXTURE_CUBE_MAP_NEGATIVE_Z 0x851A
+#define GL_MAX_CUBE_MAP_TEXTURE_SIZE 0x851C
+
+/* TextureUnit */
+#define GL_TEXTURE0 0x84C0
+#define GL_TEXTURE1 0x84C1
+#define GL_TEXTURE2 0x84C2
+#define GL_TEXTURE3 0x84C3
+#define GL_TEXTURE4 0x84C4
+#define GL_TEXTURE5 0x84C5
+#define GL_TEXTURE6 0x84C6
+#define GL_TEXTURE7 0x84C7
+#define GL_TEXTURE8 0x84C8
+#define GL_TEXTURE9 0x84C9
+#define GL_TEXTURE10 0x84CA
+#define GL_TEXTURE11 0x84CB
+#define GL_TEXTURE12 0x84CC
+#define GL_TEXTURE13 0x84CD
+#define GL_TEXTURE14 0x84CE
+#define GL_TEXTURE15 0x84CF
+#define GL_TEXTURE16 0x84D0
+#define GL_TEXTURE17 0x84D1
+#define GL_TEXTURE18 0x84D2
+#define GL_TEXTURE19 0x84D3
+#define GL_TEXTURE20 0x84D4
+#define GL_TEXTURE21 0x84D5
+#define GL_TEXTURE22 0x84D6
+#define GL_TEXTURE23 0x84D7
+#define GL_TEXTURE24 0x84D8
+#define GL_TEXTURE25 0x84D9
+#define GL_TEXTURE26 0x84DA
+#define GL_TEXTURE27 0x84DB
+#define GL_TEXTURE28 0x84DC
+#define GL_TEXTURE29 0x84DD
+#define GL_TEXTURE30 0x84DE
+#define GL_TEXTURE31 0x84DF
+#define GL_ACTIVE_TEXTURE 0x84E0
+
+/* TextureWrapMode */
+#define GL_REPEAT 0x2901
+#define GL_CLAMP_TO_EDGE 0x812F
+#define GL_MIRRORED_REPEAT 0x8370
+
+/* Uniform Types */
+#define GL_FLOAT_VEC2 0x8B50
+#define GL_FLOAT_VEC3 0x8B51
+#define GL_FLOAT_VEC4 0x8B52
+#define GL_INT_VEC2 0x8B53
+#define GL_INT_VEC3 0x8B54
+#define GL_INT_VEC4 0x8B55
+#define GL_BOOL 0x8B56
+#define GL_BOOL_VEC2 0x8B57
+#define GL_BOOL_VEC3 0x8B58
+#define GL_BOOL_VEC4 0x8B59
+#define GL_FLOAT_MAT2 0x8B5A
+#define GL_FLOAT_MAT3 0x8B5B
+#define GL_FLOAT_MAT4 0x8B5C
+#define GL_SAMPLER_2D 0x8B5E
+#define GL_SAMPLER_CUBE 0x8B60
+
+/* Vertex Arrays */
+#define GL_VERTEX_ATTRIB_ARRAY_ENABLED 0x8622
+#define GL_VERTEX_ATTRIB_ARRAY_SIZE 0x8623
+#define GL_VERTEX_ATTRIB_ARRAY_STRIDE 0x8624
+#define GL_VERTEX_ATTRIB_ARRAY_TYPE 0x8625
+#define GL_VERTEX_ATTRIB_ARRAY_NORMALIZED 0x886A
+#define GL_VERTEX_ATTRIB_ARRAY_POINTER 0x8645
+#define GL_VERTEX_ATTRIB_ARRAY_BUFFER_BINDING 0x889F
+
+/* Read Format */
+#define GL_IMPLEMENTATION_COLOR_READ_TYPE 0x8B9A
+#define GL_IMPLEMENTATION_COLOR_READ_FORMAT 0x8B9B
+
+/* Shader Source */
+#define GL_COMPILE_STATUS 0x8B81
+#define GL_INFO_LOG_LENGTH 0x8B84
+#define GL_SHADER_SOURCE_LENGTH 0x8B88
+#define GL_SHADER_COMPILER 0x8DFA
+
+/* Shader Binary */
+#define GL_SHADER_BINARY_FORMATS 0x8DF8
+#define GL_NUM_SHADER_BINARY_FORMATS 0x8DF9
+
+/* Shader Precision-Specified Types */
+#define GL_LOW_FLOAT 0x8DF0
+#define GL_MEDIUM_FLOAT 0x8DF1
+#define GL_HIGH_FLOAT 0x8DF2
+#define GL_LOW_INT 0x8DF3
+#define GL_MEDIUM_INT 0x8DF4
+#define GL_HIGH_INT 0x8DF5
+
+/* Framebuffer Object. */
+#define GL_FRAMEBUFFER 0x8D40
+#define GL_RENDERBUFFER 0x8D41
+
+#define GL_RGBA4 0x8056
+#define GL_RGB5_A1 0x8057
+#define GL_RGB565 0x8D62
+#define GL_DEPTH_COMPONENT16 0x81A5
+#define GL_STENCIL_INDEX 0x1901
+#define GL_STENCIL_INDEX8 0x8D48
+
+#define GL_RENDERBUFFER_WIDTH 0x8D42
+#define GL_RENDERBUFFER_HEIGHT 0x8D43
+#define GL_RENDERBUFFER_INTERNAL_FORMAT 0x8D44
+#define GL_RENDERBUFFER_RED_SIZE 0x8D50
+#define GL_RENDERBUFFER_GREEN_SIZE 0x8D51
+#define GL_RENDERBUFFER_BLUE_SIZE 0x8D52
+#define GL_RENDERBUFFER_ALPHA_SIZE 0x8D53
+#define GL_RENDERBUFFER_DEPTH_SIZE 0x8D54
+#define GL_RENDERBUFFER_STENCIL_SIZE 0x8D55
+
+#define GL_FRAMEBUFFER_ATTACHMENT_OBJECT_TYPE 0x8CD0
+#define GL_FRAMEBUFFER_ATTACHMENT_OBJECT_NAME 0x8CD1
+#define GL_FRAMEBUFFER_ATTACHMENT_TEXTURE_LEVEL 0x8CD2
+#define GL_FRAMEBUFFER_ATTACHMENT_TEXTURE_CUBE_MAP_FACE 0x8CD3
+
+#define GL_COLOR_ATTACHMENT0 0x8CE0
+#define GL_DEPTH_ATTACHMENT 0x8D00
+#define GL_STENCIL_ATTACHMENT 0x8D20
+
+#define GL_NONE 0
+
+#define GL_FRAMEBUFFER_COMPLETE 0x8CD5
+#define GL_FRAMEBUFFER_INCOMPLETE_ATTACHMENT 0x8CD6
+#define GL_FRAMEBUFFER_INCOMPLETE_MISSING_ATTACHMENT 0x8CD7
+#define GL_FRAMEBUFFER_INCOMPLETE_DIMENSIONS 0x8CD9
+#define GL_FRAMEBUFFER_UNSUPPORTED 0x8CDD
+
+#define GL_FRAMEBUFFER_BINDING 0x8CA6
+#define GL_RENDERBUFFER_BINDING 0x8CA7
+#define GL_MAX_RENDERBUFFER_SIZE 0x84E8
+
+#define GL_INVALID_FRAMEBUFFER_OPERATION 0x0506
+
+/*-------------------------------------------------------------------------
+ * GL core functions.
+ *-----------------------------------------------------------------------*/
+
+GL_APICALL void GL_APIENTRY glActiveTexture (GLenum texture);
+GL_APICALL void GL_APIENTRY glAttachShader (GLuint program, GLuint shader);
+GL_APICALL void GL_APIENTRY glBindAttribLocation (GLuint program, GLuint index, const GLchar* name);
+GL_APICALL void GL_APIENTRY glBindBuffer (GLenum target, GLuint buffer);
+GL_APICALL void GL_APIENTRY glBindFramebuffer (GLenum target, GLuint framebuffer);
+GL_APICALL void GL_APIENTRY glBindRenderbuffer (GLenum target, GLuint renderbuffer);
+GL_APICALL void GL_APIENTRY glBindTexture (GLenum target, GLuint texture);
+GL_APICALL void GL_APIENTRY glBlendColor (GLclampf red, GLclampf green, GLclampf blue, GLclampf alpha);
+GL_APICALL void GL_APIENTRY glBlendEquation ( GLenum mode );
+GL_APICALL void GL_APIENTRY glBlendEquationSeparate (GLenum modeRGB, GLenum modeAlpha);
+GL_APICALL void GL_APIENTRY glBlendFunc (GLenum sfactor, GLenum dfactor);
+GL_APICALL void GL_APIENTRY glBlendFuncSeparate (GLenum srcRGB, GLenum dstRGB, GLenum srcAlpha, GLenum dstAlpha);
+GL_APICALL void GL_APIENTRY glBufferData (GLenum target, GLsizeiptr size, const GLvoid* data, GLenum usage);
+GL_APICALL void GL_APIENTRY glBufferSubData (GLenum target, GLintptr offset, GLsizeiptr size, const GLvoid* data);
+GL_APICALL GLenum GL_APIENTRY glCheckFramebufferStatus (GLenum target);
+GL_APICALL void GL_APIENTRY glClear (GLbitfield mask);
+GL_APICALL void GL_APIENTRY glClearColor (GLclampf red, GLclampf green, GLclampf blue, GLclampf alpha);
+GL_APICALL void GL_APIENTRY glClearDepthf (GLclampf depth);
+GL_APICALL void GL_APIENTRY glClearStencil (GLint s);
+GL_APICALL void GL_APIENTRY glColorMask (GLboolean red, GLboolean green, GLboolean blue, GLboolean alpha);
+GL_APICALL void GL_APIENTRY glCompileShader (GLuint shader);
+GL_APICALL void GL_APIENTRY glCompressedTexImage2D (GLenum target, GLint level, GLenum internalformat, GLsizei width, GLsizei height, GLint border, GLsizei imageSize, const GLvoid* data);
+GL_APICALL void GL_APIENTRY glCompressedTexSubImage2D (GLenum target, GLint level, GLint xoffset, GLint yoffset, GLsizei width, GLsizei height, GLenum format, GLsizei imageSize, const GLvoid* data);
+GL_APICALL void GL_APIENTRY glCopyTexImage2D (GLenum target, GLint level, GLenum internalformat, GLint x, GLint y, GLsizei width, GLsizei height, GLint border);
+GL_APICALL void GL_APIENTRY glCopyTexSubImage2D (GLenum target, GLint level, GLint xoffset, GLint yoffset, GLint x, GLint y, GLsizei width, GLsizei height);
+GL_APICALL GLuint GL_APIENTRY glCreateProgram (void);
+GL_APICALL GLuint GL_APIENTRY glCreateShader (GLenum type);
+GL_APICALL void GL_APIENTRY glCullFace (GLenum mode);
+GL_APICALL void GL_APIENTRY glDeleteBuffers (GLsizei n, const GLuint* buffers);
+GL_APICALL void GL_APIENTRY glDeleteFramebuffers (GLsizei n, const GLuint* framebuffers);
+GL_APICALL void GL_APIENTRY glDeleteProgram (GLuint program);
+GL_APICALL void GL_APIENTRY glDeleteRenderbuffers (GLsizei n, const GLuint* renderbuffers);
+GL_APICALL void GL_APIENTRY glDeleteShader (GLuint shader);
+GL_APICALL void GL_APIENTRY glDeleteTextures (GLsizei n, const GLuint* textures);
+GL_APICALL void GL_APIENTRY glDepthFunc (GLenum func);
+GL_APICALL void GL_APIENTRY glDepthMask (GLboolean flag);
+GL_APICALL void GL_APIENTRY glDepthRangef (GLclampf zNear, GLclampf zFar);
+GL_APICALL void GL_APIENTRY glDetachShader (GLuint program, GLuint shader);
+GL_APICALL void GL_APIENTRY glDisable (GLenum cap);
+GL_APICALL void GL_APIENTRY glDisableVertexAttribArray (GLuint index);
+GL_APICALL void GL_APIENTRY glDrawArrays (GLenum mode, GLint first, GLsizei count);
+GL_APICALL void GL_APIENTRY glDrawElements (GLenum mode, GLsizei count, GLenum type, const GLvoid* indices);
+GL_APICALL void GL_APIENTRY glEnable (GLenum cap);
+GL_APICALL void GL_APIENTRY glEnableVertexAttribArray (GLuint index);
+GL_APICALL void GL_APIENTRY glFinish (void);
+GL_APICALL void GL_APIENTRY glFlush (void);
+GL_APICALL void GL_APIENTRY glFramebufferRenderbuffer (GLenum target, GLenum attachment, GLenum renderbuffertarget, GLuint renderbuffer);
+GL_APICALL void GL_APIENTRY glFramebufferTexture2D (GLenum target, GLenum attachment, GLenum textarget, GLuint texture, GLint level);
+GL_APICALL void GL_APIENTRY glFrontFace (GLenum mode);
+GL_APICALL void GL_APIENTRY glGenBuffers (GLsizei n, GLuint* buffers);
+GL_APICALL void GL_APIENTRY glGenerateMipmap (GLenum target);
+GL_APICALL void GL_APIENTRY glGenFramebuffers (GLsizei n, GLuint* framebuffers);
+GL_APICALL void GL_APIENTRY glGenRenderbuffers (GLsizei n, GLuint* renderbuffers);
+GL_APICALL void GL_APIENTRY glGenTextures (GLsizei n, GLuint* textures);
+GL_APICALL void GL_APIENTRY glGetActiveAttrib (GLuint program, GLuint index, GLsizei bufsize, GLsizei* length, GLint* size, GLenum* type, GLchar* name);
+GL_APICALL void GL_APIENTRY glGetActiveUniform (GLuint program, GLuint index, GLsizei bufsize, GLsizei* length, GLint* size, GLenum* type, GLchar* name);
+GL_APICALL void GL_APIENTRY glGetAttachedShaders (GLuint program, GLsizei maxcount, GLsizei* count, GLuint* shaders);
+GL_APICALL int GL_APIENTRY glGetAttribLocation (GLuint program, const GLchar* name);
+GL_APICALL void GL_APIENTRY glGetBooleanv (GLenum pname, GLboolean* params);
+GL_APICALL void GL_APIENTRY glGetBufferParameteriv (GLenum target, GLenum pname, GLint* params);
+GL_APICALL GLenum GL_APIENTRY glGetError (void);
+GL_APICALL void GL_APIENTRY glGetFloatv (GLenum pname, GLfloat* params);
+GL_APICALL void GL_APIENTRY glGetFramebufferAttachmentParameteriv (GLenum target, GLenum attachment, GLenum pname, GLint* params);
+GL_APICALL void GL_APIENTRY glGetIntegerv (GLenum pname, GLint* params);
+GL_APICALL void GL_APIENTRY glGetProgramiv (GLuint program, GLenum pname, GLint* params);
+GL_APICALL void GL_APIENTRY glGetProgramInfoLog (GLuint program, GLsizei bufsize, GLsizei* length, GLchar* infolog);
+GL_APICALL void GL_APIENTRY glGetRenderbufferParameteriv (GLenum target, GLenum pname, GLint* params);
+GL_APICALL void GL_APIENTRY glGetShaderiv (GLuint shader, GLenum pname, GLint* params);
+GL_APICALL void GL_APIENTRY glGetShaderInfoLog (GLuint shader, GLsizei bufsize, GLsizei* length, GLchar* infolog);
+GL_APICALL void GL_APIENTRY glGetShaderPrecisionFormat (GLenum shadertype, GLenum precisiontype, GLint* range, GLint* precision);
+GL_APICALL void GL_APIENTRY glGetShaderSource (GLuint shader, GLsizei bufsize, GLsizei* length, GLchar* source);
+GL_APICALL const GLubyte* GL_APIENTRY glGetString (GLenum name);
+GL_APICALL void GL_APIENTRY glGetTexParameterfv (GLenum target, GLenum pname, GLfloat* params);
+GL_APICALL void GL_APIENTRY glGetTexParameteriv (GLenum target, GLenum pname, GLint* params);
+GL_APICALL void GL_APIENTRY glGetUniformfv (GLuint program, GLint location, GLfloat* params);
+GL_APICALL void GL_APIENTRY glGetUniformiv (GLuint program, GLint location, GLint* params);
+GL_APICALL int GL_APIENTRY glGetUniformLocation (GLuint program, const GLchar* name);
+GL_APICALL void GL_APIENTRY glGetVertexAttribfv (GLuint index, GLenum pname, GLfloat* params);
+GL_APICALL void GL_APIENTRY glGetVertexAttribiv (GLuint index, GLenum pname, GLint* params);
+GL_APICALL void GL_APIENTRY glGetVertexAttribPointerv (GLuint index, GLenum pname, GLvoid** pointer);
+GL_APICALL void GL_APIENTRY glHint (GLenum target, GLenum mode);
+GL_APICALL GLboolean GL_APIENTRY glIsBuffer (GLuint buffer);
+GL_APICALL GLboolean GL_APIENTRY glIsEnabled (GLenum cap);
+GL_APICALL GLboolean GL_APIENTRY glIsFramebuffer (GLuint framebuffer);
+GL_APICALL GLboolean GL_APIENTRY glIsProgram (GLuint program);
+GL_APICALL GLboolean GL_APIENTRY glIsRenderbuffer (GLuint renderbuffer);
+GL_APICALL GLboolean GL_APIENTRY glIsShader (GLuint shader);
+GL_APICALL GLboolean GL_APIENTRY glIsTexture (GLuint texture);
+GL_APICALL void GL_APIENTRY glLineWidth (GLfloat width);
+GL_APICALL void GL_APIENTRY glLinkProgram (GLuint program);
+GL_APICALL void GL_APIENTRY glPixelStorei (GLenum pname, GLint param);
+GL_APICALL void GL_APIENTRY glPolygonOffset (GLfloat factor, GLfloat units);
+GL_APICALL void GL_APIENTRY glReadPixels (GLint x, GLint y, GLsizei width, GLsizei height, GLenum format, GLenum type, GLvoid* pixels);
+GL_APICALL void GL_APIENTRY glReleaseShaderCompiler (void);
+GL_APICALL void GL_APIENTRY glRenderbufferStorage (GLenum target, GLenum internalformat, GLsizei width, GLsizei height);
+GL_APICALL void GL_APIENTRY glSampleCoverage (GLclampf value, GLboolean invert);
+GL_APICALL void GL_APIENTRY glScissor (GLint x, GLint y, GLsizei width, GLsizei height);
+GL_APICALL void GL_APIENTRY glShaderBinary (GLsizei n, const GLuint* shaders, GLenum binaryformat, const GLvoid* binary, GLsizei length);
+GL_APICALL void GL_APIENTRY glShaderSource (GLuint shader, GLsizei count, const GLchar** string, const GLint* length);
+GL_APICALL void GL_APIENTRY glStencilFunc (GLenum func, GLint ref, GLuint mask);
+GL_APICALL void GL_APIENTRY glStencilFuncSeparate (GLenum face, GLenum func, GLint ref, GLuint mask);
+GL_APICALL void GL_APIENTRY glStencilMask (GLuint mask);
+GL_APICALL void GL_APIENTRY glStencilMaskSeparate (GLenum face, GLuint mask);
+GL_APICALL void GL_APIENTRY glStencilOp (GLenum fail, GLenum zfail, GLenum zpass);
+GL_APICALL void GL_APIENTRY glStencilOpSeparate (GLenum face, GLenum fail, GLenum zfail, GLenum zpass);
+GL_APICALL void GL_APIENTRY glTexImage2D (GLenum target, GLint level, GLint internalformat, GLsizei width, GLsizei height, GLint border, GLenum format, GLenum type, const GLvoid* pixels);
+GL_APICALL void GL_APIENTRY glTexParameterf (GLenum target, GLenum pname, GLfloat param);
+GL_APICALL void GL_APIENTRY glTexParameterfv (GLenum target, GLenum pname, const GLfloat* params);
+GL_APICALL void GL_APIENTRY glTexParameteri (GLenum target, GLenum pname, GLint param);
+GL_APICALL void GL_APIENTRY glTexParameteriv (GLenum target, GLenum pname, const GLint* params);
+GL_APICALL void GL_APIENTRY glTexSubImage2D (GLenum target, GLint level, GLint xoffset, GLint yoffset, GLsizei width, GLsizei height, GLenum format, GLenum type, const GLvoid* pixels);
+GL_APICALL void GL_APIENTRY glUniform1f (GLint location, GLfloat x);
+GL_APICALL void GL_APIENTRY glUniform1fv (GLint location, GLsizei count, const GLfloat* v);
+GL_APICALL void GL_APIENTRY glUniform1i (GLint location, GLint x);
+GL_APICALL void GL_APIENTRY glUniform1iv (GLint location, GLsizei count, const GLint* v);
+GL_APICALL void GL_APIENTRY glUniform2f (GLint location, GLfloat x, GLfloat y);
+GL_APICALL void GL_APIENTRY glUniform2fv (GLint location, GLsizei count, const GLfloat* v);
+GL_APICALL void GL_APIENTRY glUniform2i (GLint location, GLint x, GLint y);
+GL_APICALL void GL_APIENTRY glUniform2iv (GLint location, GLsizei count, const GLint* v);
+GL_APICALL void GL_APIENTRY glUniform3f (GLint location, GLfloat x, GLfloat y, GLfloat z);
+GL_APICALL void GL_APIENTRY glUniform3fv (GLint location, GLsizei count, const GLfloat* v);
+GL_APICALL void GL_APIENTRY glUniform3i (GLint location, GLint x, GLint y, GLint z);
+GL_APICALL void GL_APIENTRY glUniform3iv (GLint location, GLsizei count, const GLint* v);
+GL_APICALL void GL_APIENTRY glUniform4f (GLint location, GLfloat x, GLfloat y, GLfloat z, GLfloat w);
+GL_APICALL void GL_APIENTRY glUniform4fv (GLint location, GLsizei count, const GLfloat* v);
+GL_APICALL void GL_APIENTRY glUniform4i (GLint location, GLint x, GLint y, GLint z, GLint w);
+GL_APICALL void GL_APIENTRY glUniform4iv (GLint location, GLsizei count, const GLint* v);
+GL_APICALL void GL_APIENTRY glUniformMatrix2fv (GLint location, GLsizei count, GLboolean transpose, const GLfloat* value);
+GL_APICALL void GL_APIENTRY glUniformMatrix3fv (GLint location, GLsizei count, GLboolean transpose, const GLfloat* value);
+GL_APICALL void GL_APIENTRY glUniformMatrix4fv (GLint location, GLsizei count, GLboolean transpose, const GLfloat* value);
+GL_APICALL void GL_APIENTRY glUseProgram (GLuint program);
+GL_APICALL void GL_APIENTRY glValidateProgram (GLuint program);
+GL_APICALL void GL_APIENTRY glVertexAttrib1f (GLuint indx, GLfloat x);
+GL_APICALL void GL_APIENTRY glVertexAttrib1fv (GLuint indx, const GLfloat* values);
+GL_APICALL void GL_APIENTRY glVertexAttrib2f (GLuint indx, GLfloat x, GLfloat y);
+GL_APICALL void GL_APIENTRY glVertexAttrib2fv (GLuint indx, const GLfloat* values);
+GL_APICALL void GL_APIENTRY glVertexAttrib3f (GLuint indx, GLfloat x, GLfloat y, GLfloat z);
+GL_APICALL void GL_APIENTRY glVertexAttrib3fv (GLuint indx, const GLfloat* values);
+GL_APICALL void GL_APIENTRY glVertexAttrib4f (GLuint indx, GLfloat x, GLfloat y, GLfloat z, GLfloat w);
+GL_APICALL void GL_APIENTRY glVertexAttrib4fv (GLuint indx, const GLfloat* values);
+GL_APICALL void GL_APIENTRY glVertexAttribPointer (GLuint indx, GLint size, GLenum type, GLboolean normalized, GLsizei stride, const GLvoid* ptr);
+GL_APICALL void GL_APIENTRY glViewport (GLint x, GLint y, GLsizei width, GLsizei height);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* __gl2_h_ */
diff --git a/src/GLES2/include/GLES2/gl2ext.h b/src/GLES2/include/GLES2/gl2ext.h
new file mode 100644
index 0000000..a124014
--- /dev/null
+++ b/src/GLES2/include/GLES2/gl2ext.h
@@ -0,0 +1,1494 @@
+#ifndef __gl2ext_h_
+#define __gl2ext_h_
+
+/* $Revision: 16482 $ on $Date:: 2012-01-04 13:44:55 -0500 #$ */
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/*
+ * This document is licensed under the SGI Free Software B License Version
+ * 2.0. For details, see http://oss.sgi.com/projects/FreeB/ .
+ */
+
+#ifndef GL_APIENTRYP
+# define GL_APIENTRYP GL_APIENTRY*
+#endif
+
+/*------------------------------------------------------------------------*
+ * OES extension tokens
+ *------------------------------------------------------------------------*/
+
+/* GL_OES_compressed_ETC1_RGB8_texture */
+#ifndef GL_OES_compressed_ETC1_RGB8_texture
+#define GL_ETC1_RGB8_OES 0x8D64
+#endif
+
+/* GL_OES_compressed_paletted_texture */
+#ifndef GL_OES_compressed_paletted_texture
+#define GL_PALETTE4_RGB8_OES 0x8B90
+#define GL_PALETTE4_RGBA8_OES 0x8B91
+#define GL_PALETTE4_R5_G6_B5_OES 0x8B92
+#define GL_PALETTE4_RGBA4_OES 0x8B93
+#define GL_PALETTE4_RGB5_A1_OES 0x8B94
+#define GL_PALETTE8_RGB8_OES 0x8B95
+#define GL_PALETTE8_RGBA8_OES 0x8B96
+#define GL_PALETTE8_R5_G6_B5_OES 0x8B97
+#define GL_PALETTE8_RGBA4_OES 0x8B98
+#define GL_PALETTE8_RGB5_A1_OES 0x8B99
+#endif
+
+/* GL_OES_depth24 */
+#ifndef GL_OES_depth24
+#define GL_DEPTH_COMPONENT24_OES 0x81A6
+#endif
+
+/* GL_OES_depth32 */
+#ifndef GL_OES_depth32
+#define GL_DEPTH_COMPONENT32_OES 0x81A7
+#endif
+
+/* GL_OES_depth_texture */
+/* No new tokens introduced by this extension. */
+
+/* GL_OES_EGL_image */
+#ifndef GL_OES_EGL_image
+typedef void* GLeglImageOES;
+#endif
+
+/* GL_OES_EGL_image_external */
+#ifndef GL_OES_EGL_image_external
+/* GLeglImageOES defined in GL_OES_EGL_image already. */
+#define GL_TEXTURE_EXTERNAL_OES 0x8D65
+#define GL_SAMPLER_EXTERNAL_OES 0x8D66
+#define GL_TEXTURE_BINDING_EXTERNAL_OES 0x8D67
+#define GL_REQUIRED_TEXTURE_IMAGE_UNITS_OES 0x8D68
+#endif
+
+/* GL_OES_element_index_uint */
+#ifndef GL_OES_element_index_uint
+#define GL_UNSIGNED_INT 0x1405
+#endif
+
+/* GL_OES_get_program_binary */
+#ifndef GL_OES_get_program_binary
+#define GL_PROGRAM_BINARY_LENGTH_OES 0x8741
+#define GL_NUM_PROGRAM_BINARY_FORMATS_OES 0x87FE
+#define GL_PROGRAM_BINARY_FORMATS_OES 0x87FF
+#endif
+
+/* GL_OES_mapbuffer */
+#ifndef GL_OES_mapbuffer
+#define GL_WRITE_ONLY_OES 0x88B9
+#define GL_BUFFER_ACCESS_OES 0x88BB
+#define GL_BUFFER_MAPPED_OES 0x88BC
+#define GL_BUFFER_MAP_POINTER_OES 0x88BD
+#endif
+
+/* GL_OES_packed_depth_stencil */
+#ifndef GL_OES_packed_depth_stencil
+#define GL_DEPTH_STENCIL_OES 0x84F9
+#define GL_UNSIGNED_INT_24_8_OES 0x84FA
+#define GL_DEPTH24_STENCIL8_OES 0x88F0
+#endif
+
+/* GL_OES_rgb8_rgba8 */
+#ifndef GL_OES_rgb8_rgba8
+#define GL_RGB8_OES 0x8051
+#define GL_RGBA8_OES 0x8058
+#endif
+
+/* GL_OES_standard_derivatives */
+#ifndef GL_OES_standard_derivatives
+#define GL_FRAGMENT_SHADER_DERIVATIVE_HINT_OES 0x8B8B
+#endif
+
+/* GL_OES_stencil1 */
+#ifndef GL_OES_stencil1
+#define GL_STENCIL_INDEX1_OES 0x8D46
+#endif
+
+/* GL_OES_stencil4 */
+#ifndef GL_OES_stencil4
+#define GL_STENCIL_INDEX4_OES 0x8D47
+#endif
+
+/* GL_OES_texture_3D */
+#ifndef GL_OES_texture_3D
+#define GL_TEXTURE_WRAP_R_OES 0x8072
+#define GL_TEXTURE_3D_OES 0x806F
+#define GL_TEXTURE_BINDING_3D_OES 0x806A
+#define GL_MAX_3D_TEXTURE_SIZE_OES 0x8073
+#define GL_SAMPLER_3D_OES 0x8B5F
+#define GL_FRAMEBUFFER_ATTACHMENT_TEXTURE_3D_ZOFFSET_OES 0x8CD4
+#endif
+
+/* GL_OES_texture_float */
+/* No new tokens introduced by this extension. */
+
+/* GL_OES_texture_float_linear */
+/* No new tokens introduced by this extension. */
+
+/* GL_OES_texture_half_float */
+#ifndef GL_OES_texture_half_float
+#define GL_HALF_FLOAT_OES 0x8D61
+#endif
+
+/* GL_OES_texture_half_float_linear */
+/* No new tokens introduced by this extension. */
+
+/* GL_OES_texture_npot */
+/* No new tokens introduced by this extension. */
+
+/* GL_OES_vertex_array_object */
+#ifndef GL_OES_vertex_array_object
+#define GL_VERTEX_ARRAY_BINDING_OES 0x85B5
+#endif
+
+/* GL_OES_vertex_half_float */
+/* GL_HALF_FLOAT_OES defined in GL_OES_texture_half_float already. */
+
+/* GL_OES_vertex_type_10_10_10_2 */
+#ifndef GL_OES_vertex_type_10_10_10_2
+#define GL_UNSIGNED_INT_10_10_10_2_OES 0x8DF6
+#define GL_INT_10_10_10_2_OES 0x8DF7
+#endif
+
+/*------------------------------------------------------------------------*
+ * AMD extension tokens
+ *------------------------------------------------------------------------*/
+
+/* GL_AMD_compressed_3DC_texture */
+#ifndef GL_AMD_compressed_3DC_texture
+#define GL_3DC_X_AMD 0x87F9
+#define GL_3DC_XY_AMD 0x87FA
+#endif
+
+/* GL_AMD_compressed_ATC_texture */
+#ifndef GL_AMD_compressed_ATC_texture
+#define GL_ATC_RGB_AMD 0x8C92
+#define GL_ATC_RGBA_EXPLICIT_ALPHA_AMD 0x8C93
+#define GL_ATC_RGBA_INTERPOLATED_ALPHA_AMD 0x87EE
+#endif
+
+/* GL_AMD_performance_monitor */
+#ifndef GL_AMD_performance_monitor
+#define GL_COUNTER_TYPE_AMD 0x8BC0
+#define GL_COUNTER_RANGE_AMD 0x8BC1
+#define GL_UNSIGNED_INT64_AMD 0x8BC2
+#define GL_PERCENTAGE_AMD 0x8BC3
+#define GL_PERFMON_RESULT_AVAILABLE_AMD 0x8BC4
+#define GL_PERFMON_RESULT_SIZE_AMD 0x8BC5
+#define GL_PERFMON_RESULT_AMD 0x8BC6
+#endif
+
+/* GL_AMD_program_binary_Z400 */
+#ifndef GL_AMD_program_binary_Z400
+#define GL_Z400_BINARY_AMD 0x8740
+#endif
+
+/*------------------------------------------------------------------------*
+ * ANGLE extension tokens
+ *------------------------------------------------------------------------*/
+
+/* GL_ANGLE_framebuffer_blit */
+#ifndef GL_ANGLE_framebuffer_blit
+#define GL_READ_FRAMEBUFFER_ANGLE 0x8CA8
+#define GL_DRAW_FRAMEBUFFER_ANGLE 0x8CA9
+#define GL_DRAW_FRAMEBUFFER_BINDING_ANGLE 0x8CA6
+#define GL_READ_FRAMEBUFFER_BINDING_ANGLE 0x8CAA
+#endif
+
+/* GL_ANGLE_framebuffer_multisample */
+#ifndef GL_ANGLE_framebuffer_multisample
+#define GL_RENDERBUFFER_SAMPLES_ANGLE 0x8CAB
+#define GL_FRAMEBUFFER_INCOMPLETE_MULTISAMPLE_ANGLE 0x8D56
+#define GL_MAX_SAMPLES_ANGLE 0x8D57
+#endif
+
+/* GL_ANGLE_pack_reverse_row_order */
+#ifndef GL_ANGLE_pack_reverse_row_order
+#define GL_PACK_REVERSE_ROW_ORDER_ANGLE 0x93A4
+#endif
+
+/* GL_ANGLE_texture_compression_dxt3 */
+#ifndef GL_ANGLE_texture_compression_dxt3
+#define GL_COMPRESSED_RGBA_S3TC_DXT3_ANGLE 0x83F2
+#endif
+
+/* GL_ANGLE_texture_compression_dxt5 */
+#ifndef GL_ANGLE_texture_compression_dxt5
+#define GL_COMPRESSED_RGBA_S3TC_DXT5_ANGLE 0x83F3
+#endif
+
+/* GL_ANGLE_translated_shader_source */
+#ifndef GL_ANGLE_translated_shader_source
+#define GL_TRANSLATED_SHADER_SOURCE_LENGTH_ANGLE 0x93A0
+#endif
+
+/* GL_ANGLE_texture_usage */
+#ifndef GL_ANGLE_texture_usage
+#define GL_TEXTURE_USAGE_ANGLE 0x93A2
+#define GL_FRAMEBUFFER_ATTACHMENT_ANGLE 0x93A3
+#endif
+
+/* GL_ANGLE_instanced_arrays */
+#ifndef GL_ANGLE_instanced_arrays
+#define GL_VERTEX_ATTRIB_ARRAY_DIVISOR_ANGLE 0x88FE
+#endif
+
+/*------------------------------------------------------------------------*
+ * APPLE extension tokens
+ *------------------------------------------------------------------------*/
+
+/* GL_APPLE_rgb_422 */
+#ifndef GL_APPLE_rgb_422
+#define GL_RGB_422_APPLE 0x8A1F
+#define GL_UNSIGNED_SHORT_8_8_APPLE 0x85BA
+#define GL_UNSIGNED_SHORT_8_8_REV_APPLE 0x85BB
+#endif
+
+/* GL_APPLE_framebuffer_multisample */
+#ifndef GL_APPLE_framebuffer_multisample
+#define GL_RENDERBUFFER_SAMPLES_APPLE 0x8CAB
+#define GL_FRAMEBUFFER_INCOMPLETE_MULTISAMPLE_APPLE 0x8D56
+#define GL_MAX_SAMPLES_APPLE 0x8D57
+#define GL_READ_FRAMEBUFFER_APPLE 0x8CA8
+#define GL_DRAW_FRAMEBUFFER_APPLE 0x8CA9
+#define GL_DRAW_FRAMEBUFFER_BINDING_APPLE 0x8CA6
+#define GL_READ_FRAMEBUFFER_BINDING_APPLE 0x8CAA
+#endif
+
+/* GL_APPLE_texture_format_BGRA8888 */
+#ifndef GL_APPLE_texture_format_BGRA8888
+#define GL_BGRA_EXT 0x80E1
+#endif
+
+/* GL_APPLE_texture_max_level */
+#ifndef GL_APPLE_texture_max_level
+#define GL_TEXTURE_MAX_LEVEL_APPLE 0x813D
+#endif
+
+/*------------------------------------------------------------------------*
+ * ARM extension tokens
+ *------------------------------------------------------------------------*/
+
+/* GL_ARM_mali_shader_binary */
+#ifndef GL_ARM_mali_shader_binary
+#define GL_MALI_SHADER_BINARY_ARM 0x8F60
+#endif
+
+/* GL_ARM_rgba8 */
+/* No new tokens introduced by this extension. */
+
+/*------------------------------------------------------------------------*
+ * EXT extension tokens
+ *------------------------------------------------------------------------*/
+
+/* GL_EXT_blend_minmax */
+#ifndef GL_EXT_blend_minmax
+#define GL_MIN_EXT 0x8007
+#define GL_MAX_EXT 0x8008
+#endif
+
+/* GL_EXT_color_buffer_half_float */
+#ifndef GL_EXT_color_buffer_half_float
+#define GL_RGBA16F_EXT 0x881A
+#define GL_RGB16F_EXT 0x881B
+#define GL_RG16F_EXT 0x822F
+#define GL_R16F_EXT 0x822D
+#define GL_FRAMEBUFFER_ATTACHMENT_COMPONENT_TYPE_EXT 0x8211
+#define GL_UNSIGNED_NORMALIZED_EXT 0x8C17
+#endif
+
+/* GL_EXT_debug_label */
+#ifndef GL_EXT_debug_label
+#define GL_PROGRAM_PIPELINE_OBJECT_EXT 0x8A4F
+#define GL_PROGRAM_OBJECT_EXT 0x8B40
+#define GL_SHADER_OBJECT_EXT 0x8B48
+#define GL_BUFFER_OBJECT_EXT 0x9151
+#define GL_QUERY_OBJECT_EXT 0x9153
+#define GL_VERTEX_ARRAY_OBJECT_EXT 0x9154
+#endif
+
+/* GL_EXT_debug_marker */
+/* No new tokens introduced by this extension. */
+
+/* GL_EXT_discard_framebuffer */
+#ifndef GL_EXT_discard_framebuffer
+#define GL_COLOR_EXT 0x1800
+#define GL_DEPTH_EXT 0x1801
+#define GL_STENCIL_EXT 0x1802
+#endif
+
+/* GL_EXT_multisampled_render_to_texture */
+#ifndef GL_EXT_multisampled_render_to_texture
+#define GL_FRAMEBUFFER_ATTACHMENT_TEXTURE_SAMPLES_EXT 0x8D6C
+#define GL_RENDERBUFFER_SAMPLES_EXT 0x9133
+#define GL_FRAMEBUFFER_INCOMPLETE_MULTISAMPLE_EXT 0x9134
+#define GL_MAX_SAMPLES_EXT 0x9135
+#endif
+
+/* GL_EXT_multi_draw_arrays */
+/* No new tokens introduced by this extension. */
+
+/* GL_EXT_occlusion_query_boolean */
+#ifndef GL_EXT_occlusion_query_boolean
+#define GL_ANY_SAMPLES_PASSED_EXT 0x8C2F
+#define GL_ANY_SAMPLES_PASSED_CONSERVATIVE_EXT 0x8D6A
+#define GL_CURRENT_QUERY_EXT 0x8865
+#define GL_QUERY_RESULT_EXT 0x8866
+#define GL_QUERY_RESULT_AVAILABLE_EXT 0x8867
+#endif
+
+/* GL_EXT_read_format_bgra */
+#ifndef GL_EXT_read_format_bgra
+#define GL_BGRA_EXT 0x80E1
+#define GL_UNSIGNED_SHORT_4_4_4_4_REV_EXT 0x8365
+#define GL_UNSIGNED_SHORT_1_5_5_5_REV_EXT 0x8366
+#endif
+
+/* GL_EXT_robustness */
+#ifndef GL_EXT_robustness
+/* reuse GL_NO_ERROR */
+#define GL_GUILTY_CONTEXT_RESET_EXT 0x8253
+#define GL_INNOCENT_CONTEXT_RESET_EXT 0x8254
+#define GL_UNKNOWN_CONTEXT_RESET_EXT 0x8255
+#define GL_CONTEXT_ROBUST_ACCESS_EXT 0x90F3
+#define GL_RESET_NOTIFICATION_STRATEGY_EXT 0x8256
+#define GL_LOSE_CONTEXT_ON_RESET_EXT 0x8252
+#define GL_NO_RESET_NOTIFICATION_EXT 0x8261
+#endif
+
+/* GL_EXT_separate_shader_objects */
+#ifndef GL_EXT_separate_shader_objects
+#define GL_VERTEX_SHADER_BIT_EXT 0x00000001
+#define GL_FRAGMENT_SHADER_BIT_EXT 0x00000002
+#define GL_ALL_SHADER_BITS_EXT 0xFFFFFFFF
+#define GL_PROGRAM_SEPARABLE_EXT 0x8258
+#define GL_ACTIVE_PROGRAM_EXT 0x8259
+#define GL_PROGRAM_PIPELINE_BINDING_EXT 0x825A
+#endif
+
+/* GL_EXT_shader_texture_lod */
+/* No new tokens introduced by this extension. */
+
+/* GL_EXT_shadow_samplers */
+#ifndef GL_EXT_shadow_samplers
+#define GL_TEXTURE_COMPARE_MODE_EXT 0x884C
+#define GL_TEXTURE_COMPARE_FUNC_EXT 0x884D
+#define GL_COMPARE_REF_TO_TEXTURE_EXT 0x884E
+#endif
+
+/* GL_EXT_sRGB */
+#ifndef GL_EXT_sRGB
+#define GL_SRGB_EXT 0x8C40
+#define GL_SRGB_ALPHA_EXT 0x8C42
+#define GL_SRGB8_ALPHA8_EXT 0x8C43
+#define GL_FRAMEBUFFER_ATTACHMENT_COLOR_ENCODING_EXT 0x8210
+#endif
+
+/* GL_EXT_texture_compression_dxt1 */
+#ifndef GL_EXT_texture_compression_dxt1
+#define GL_COMPRESSED_RGB_S3TC_DXT1_EXT 0x83F0
+#define GL_COMPRESSED_RGBA_S3TC_DXT1_EXT 0x83F1
+#endif
+
+/* GL_EXT_texture_filter_anisotropic */
+#ifndef GL_EXT_texture_filter_anisotropic
+#define GL_TEXTURE_MAX_ANISOTROPY_EXT 0x84FE
+#define GL_MAX_TEXTURE_MAX_ANISOTROPY_EXT 0x84FF
+#endif
+
+/* GL_EXT_texture_format_BGRA8888 */
+#ifndef GL_EXT_texture_format_BGRA8888
+#define GL_BGRA_EXT 0x80E1
+#endif
+
+/* GL_EXT_texture_rg */
+#ifndef GL_EXT_texture_rg
+#define GL_RED_EXT 0x1903
+#define GL_RG_EXT 0x8227
+#define GL_R8_EXT 0x8229
+#define GL_RG8_EXT 0x822B
+#endif
+
+/* GL_EXT_texture_storage */
+#ifndef GL_EXT_texture_storage
+#define GL_TEXTURE_IMMUTABLE_FORMAT_EXT 0x912F
+#define GL_ALPHA8_EXT 0x803C
+#define GL_LUMINANCE8_EXT 0x8040
+#define GL_LUMINANCE8_ALPHA8_EXT 0x8045
+#define GL_RGBA32F_EXT 0x8814
+#define GL_RGB32F_EXT 0x8815
+#define GL_ALPHA32F_EXT 0x8816
+#define GL_LUMINANCE32F_EXT 0x8818
+#define GL_LUMINANCE_ALPHA32F_EXT 0x8819
+/* reuse GL_RGBA16F_EXT */
+#define GL_RGB16F_EXT 0x881B
+#define GL_ALPHA16F_EXT 0x881C
+#define GL_LUMINANCE16F_EXT 0x881E
+#define GL_LUMINANCE_ALPHA16F_EXT 0x881F
+#define GL_RGB10_A2_EXT 0x8059
+#define GL_RGB10_EXT 0x8052
+#define GL_BGRA8_EXT 0x93A1
+#endif
+
+/* GL_EXT_texture_type_2_10_10_10_REV */
+#ifndef GL_EXT_texture_type_2_10_10_10_REV
+#define GL_UNSIGNED_INT_2_10_10_10_REV_EXT 0x8368
+#endif
+
+/* GL_EXT_unpack_subimage */
+#ifndef GL_EXT_unpack_subimage
+#define GL_UNPACK_ROW_LENGTH 0x0CF2
+#define GL_UNPACK_SKIP_ROWS 0x0CF3
+#define GL_UNPACK_SKIP_PIXELS 0x0CF4
+#endif
+
+/*------------------------------------------------------------------------*
+ * DMP extension tokens
+ *------------------------------------------------------------------------*/
+
+/* GL_DMP_shader_binary */
+#ifndef GL_DMP_shader_binary
+#define GL_SHADER_BINARY_DMP 0x9250
+#endif
+
+/*------------------------------------------------------------------------*
+ * IMG extension tokens
+ *------------------------------------------------------------------------*/
+
+/* GL_IMG_program_binary */
+#ifndef GL_IMG_program_binary
+#define GL_SGX_PROGRAM_BINARY_IMG 0x9130
+#endif
+
+/* GL_IMG_read_format */
+#ifndef GL_IMG_read_format
+#define GL_BGRA_IMG 0x80E1
+#define GL_UNSIGNED_SHORT_4_4_4_4_REV_IMG 0x8365
+#endif
+
+/* GL_IMG_shader_binary */
+#ifndef GL_IMG_shader_binary
+#define GL_SGX_BINARY_IMG 0x8C0A
+#endif
+
+/* GL_IMG_texture_compression_pvrtc */
+#ifndef GL_IMG_texture_compression_pvrtc
+#define GL_COMPRESSED_RGB_PVRTC_4BPPV1_IMG 0x8C00
+#define GL_COMPRESSED_RGB_PVRTC_2BPPV1_IMG 0x8C01
+#define GL_COMPRESSED_RGBA_PVRTC_4BPPV1_IMG 0x8C02
+#define GL_COMPRESSED_RGBA_PVRTC_2BPPV1_IMG 0x8C03
+#endif
+
+/* GL_IMG_multisampled_render_to_texture */
+#ifndef GL_IMG_multisampled_render_to_texture
+#define GL_RENDERBUFFER_SAMPLES_IMG 0x9133
+#define GL_FRAMEBUFFER_INCOMPLETE_MULTISAMPLE_IMG 0x9134
+#define GL_MAX_SAMPLES_IMG 0x9135
+#define GL_TEXTURE_SAMPLES_IMG 0x9136
+#endif
+
+/*------------------------------------------------------------------------*
+ * NV extension tokens
+ *------------------------------------------------------------------------*/
+
+/* GL_NV_coverage_sample */
+#ifndef GL_NV_coverage_sample
+#define GL_COVERAGE_COMPONENT_NV 0x8ED0
+#define GL_COVERAGE_COMPONENT4_NV 0x8ED1
+#define GL_COVERAGE_ATTACHMENT_NV 0x8ED2
+#define GL_COVERAGE_BUFFERS_NV 0x8ED3
+#define GL_COVERAGE_SAMPLES_NV 0x8ED4
+#define GL_COVERAGE_ALL_FRAGMENTS_NV 0x8ED5
+#define GL_COVERAGE_EDGE_FRAGMENTS_NV 0x8ED6
+#define GL_COVERAGE_AUTOMATIC_NV 0x8ED7
+#define GL_COVERAGE_BUFFER_BIT_NV 0x8000
+#endif
+
+/* GL_NV_depth_nonlinear */
+#ifndef GL_NV_depth_nonlinear
+#define GL_DEPTH_COMPONENT16_NONLINEAR_NV 0x8E2C
+#endif
+
+/* GL_NV_draw_buffers */
+#ifndef GL_NV_draw_buffers
+#define GL_MAX_DRAW_BUFFERS_NV 0x8824
+#define GL_DRAW_BUFFER0_NV 0x8825
+#define GL_DRAW_BUFFER1_NV 0x8826
+#define GL_DRAW_BUFFER2_NV 0x8827
+#define GL_DRAW_BUFFER3_NV 0x8828
+#define GL_DRAW_BUFFER4_NV 0x8829
+#define GL_DRAW_BUFFER5_NV 0x882A
+#define GL_DRAW_BUFFER6_NV 0x882B
+#define GL_DRAW_BUFFER7_NV 0x882C
+#define GL_DRAW_BUFFER8_NV 0x882D
+#define GL_DRAW_BUFFER9_NV 0x882E
+#define GL_DRAW_BUFFER10_NV 0x882F
+#define GL_DRAW_BUFFER11_NV 0x8830
+#define GL_DRAW_BUFFER12_NV 0x8831
+#define GL_DRAW_BUFFER13_NV 0x8832
+#define GL_DRAW_BUFFER14_NV 0x8833
+#define GL_DRAW_BUFFER15_NV 0x8834
+#define GL_COLOR_ATTACHMENT0_NV 0x8CE0
+#define GL_COLOR_ATTACHMENT1_NV 0x8CE1
+#define GL_COLOR_ATTACHMENT2_NV 0x8CE2
+#define GL_COLOR_ATTACHMENT3_NV 0x8CE3
+#define GL_COLOR_ATTACHMENT4_NV 0x8CE4
+#define GL_COLOR_ATTACHMENT5_NV 0x8CE5
+#define GL_COLOR_ATTACHMENT6_NV 0x8CE6
+#define GL_COLOR_ATTACHMENT7_NV 0x8CE7
+#define GL_COLOR_ATTACHMENT8_NV 0x8CE8
+#define GL_COLOR_ATTACHMENT9_NV 0x8CE9
+#define GL_COLOR_ATTACHMENT10_NV 0x8CEA
+#define GL_COLOR_ATTACHMENT11_NV 0x8CEB
+#define GL_COLOR_ATTACHMENT12_NV 0x8CEC
+#define GL_COLOR_ATTACHMENT13_NV 0x8CED
+#define GL_COLOR_ATTACHMENT14_NV 0x8CEE
+#define GL_COLOR_ATTACHMENT15_NV 0x8CEF
+#endif
+
+/* GL_NV_fbo_color_attachments */
+#ifndef GL_NV_fbo_color_attachments
+#define GL_MAX_COLOR_ATTACHMENTS_NV 0x8CDF
+/* GL_COLOR_ATTACHMENT{0-15}_NV defined in GL_NV_draw_buffers already. */
+#endif
+
+/* GL_NV_fence */
+#ifndef GL_NV_fence
+#define GL_ALL_COMPLETED_NV 0x84F2
+#define GL_FENCE_STATUS_NV 0x84F3
+#define GL_FENCE_CONDITION_NV 0x84F4
+#endif
+
+/* GL_NV_read_buffer */
+#ifndef GL_NV_read_buffer
+#define GL_READ_BUFFER_NV 0x0C02
+#endif
+
+/* GL_NV_read_buffer_front */
+/* No new tokens introduced by this extension. */
+
+/* GL_NV_read_depth */
+/* No new tokens introduced by this extension. */
+
+/* GL_NV_read_depth_stencil */
+/* No new tokens introduced by this extension. */
+
+/* GL_NV_read_stencil */
+/* No new tokens introduced by this extension. */
+
+/* GL_NV_texture_compression_s3tc_update */
+/* No new tokens introduced by this extension. */
+
+/* GL_NV_texture_npot_2D_mipmap */
+/* No new tokens introduced by this extension. */
+
+/*------------------------------------------------------------------------*
+ * QCOM extension tokens
+ *------------------------------------------------------------------------*/
+
+/* GL_QCOM_alpha_test */
+#ifndef GL_QCOM_alpha_test
+#define GL_ALPHA_TEST_QCOM 0x0BC0
+#define GL_ALPHA_TEST_FUNC_QCOM 0x0BC1
+#define GL_ALPHA_TEST_REF_QCOM 0x0BC2
+#endif
+
+/* GL_QCOM_driver_control */
+/* No new tokens introduced by this extension. */
+
+/* GL_QCOM_extended_get */
+#ifndef GL_QCOM_extended_get
+#define GL_TEXTURE_WIDTH_QCOM 0x8BD2
+#define GL_TEXTURE_HEIGHT_QCOM 0x8BD3
+#define GL_TEXTURE_DEPTH_QCOM 0x8BD4
+#define GL_TEXTURE_INTERNAL_FORMAT_QCOM 0x8BD5
+#define GL_TEXTURE_FORMAT_QCOM 0x8BD6
+#define GL_TEXTURE_TYPE_QCOM 0x8BD7
+#define GL_TEXTURE_IMAGE_VALID_QCOM 0x8BD8
+#define GL_TEXTURE_NUM_LEVELS_QCOM 0x8BD9
+#define GL_TEXTURE_TARGET_QCOM 0x8BDA
+#define GL_TEXTURE_OBJECT_VALID_QCOM 0x8BDB
+#define GL_STATE_RESTORE 0x8BDC
+#endif
+
+/* GL_QCOM_extended_get2 */
+/* No new tokens introduced by this extension. */
+
+/* GL_QCOM_perfmon_global_mode */
+#ifndef GL_QCOM_perfmon_global_mode
+#define GL_PERFMON_GLOBAL_MODE_QCOM 0x8FA0
+#endif
+
+/* GL_QCOM_writeonly_rendering */
+#ifndef GL_QCOM_writeonly_rendering
+#define GL_WRITEONLY_RENDERING_QCOM 0x8823
+#endif
+
+/* GL_QCOM_tiled_rendering */
+#ifndef GL_QCOM_tiled_rendering
+#define GL_COLOR_BUFFER_BIT0_QCOM 0x00000001
+#define GL_COLOR_BUFFER_BIT1_QCOM 0x00000002
+#define GL_COLOR_BUFFER_BIT2_QCOM 0x00000004
+#define GL_COLOR_BUFFER_BIT3_QCOM 0x00000008
+#define GL_COLOR_BUFFER_BIT4_QCOM 0x00000010
+#define GL_COLOR_BUFFER_BIT5_QCOM 0x00000020
+#define GL_COLOR_BUFFER_BIT6_QCOM 0x00000040
+#define GL_COLOR_BUFFER_BIT7_QCOM 0x00000080
+#define GL_DEPTH_BUFFER_BIT0_QCOM 0x00000100
+#define GL_DEPTH_BUFFER_BIT1_QCOM 0x00000200
+#define GL_DEPTH_BUFFER_BIT2_QCOM 0x00000400
+#define GL_DEPTH_BUFFER_BIT3_QCOM 0x00000800
+#define GL_DEPTH_BUFFER_BIT4_QCOM 0x00001000
+#define GL_DEPTH_BUFFER_BIT5_QCOM 0x00002000
+#define GL_DEPTH_BUFFER_BIT6_QCOM 0x00004000
+#define GL_DEPTH_BUFFER_BIT7_QCOM 0x00008000
+#define GL_STENCIL_BUFFER_BIT0_QCOM 0x00010000
+#define GL_STENCIL_BUFFER_BIT1_QCOM 0x00020000
+#define GL_STENCIL_BUFFER_BIT2_QCOM 0x00040000
+#define GL_STENCIL_BUFFER_BIT3_QCOM 0x00080000
+#define GL_STENCIL_BUFFER_BIT4_QCOM 0x00100000
+#define GL_STENCIL_BUFFER_BIT5_QCOM 0x00200000
+#define GL_STENCIL_BUFFER_BIT6_QCOM 0x00400000
+#define GL_STENCIL_BUFFER_BIT7_QCOM 0x00800000
+#define GL_MULTISAMPLE_BUFFER_BIT0_QCOM 0x01000000
+#define GL_MULTISAMPLE_BUFFER_BIT1_QCOM 0x02000000
+#define GL_MULTISAMPLE_BUFFER_BIT2_QCOM 0x04000000
+#define GL_MULTISAMPLE_BUFFER_BIT3_QCOM 0x08000000
+#define GL_MULTISAMPLE_BUFFER_BIT4_QCOM 0x10000000
+#define GL_MULTISAMPLE_BUFFER_BIT5_QCOM 0x20000000
+#define GL_MULTISAMPLE_BUFFER_BIT6_QCOM 0x40000000
+#define GL_MULTISAMPLE_BUFFER_BIT7_QCOM 0x80000000
+#endif
+
+/*------------------------------------------------------------------------*
+ * VIV extension tokens
+ *------------------------------------------------------------------------*/
+
+/* GL_VIV_shader_binary */
+#ifndef GL_VIV_shader_binary
+#define GL_SHADER_BINARY_VIV 0x8FC4
+#endif
+
+/*------------------------------------------------------------------------*
+ * End of extension tokens, start of corresponding extension functions
+ *------------------------------------------------------------------------*/
+
+/*------------------------------------------------------------------------*
+ * OES extension functions
+ *------------------------------------------------------------------------*/
+
+/* GL_OES_compressed_ETC1_RGB8_texture */
+#ifndef GL_OES_compressed_ETC1_RGB8_texture
+#define GL_OES_compressed_ETC1_RGB8_texture 1
+#endif
+
+/* GL_OES_compressed_paletted_texture */
+#ifndef GL_OES_compressed_paletted_texture
+#define GL_OES_compressed_paletted_texture 1
+#endif
+
+/* GL_OES_depth24 */
+#ifndef GL_OES_depth24
+#define GL_OES_depth24 1
+#endif
+
+/* GL_OES_depth32 */
+#ifndef GL_OES_depth32
+#define GL_OES_depth32 1
+#endif
+
+/* GL_OES_depth_texture */
+#ifndef GL_OES_depth_texture
+#define GL_OES_depth_texture 1
+#endif
+
+/* GL_OES_EGL_image */
+#ifndef GL_OES_EGL_image
+#define GL_OES_EGL_image 1
+#ifdef GL_GLEXT_PROTOTYPES
+GL_APICALL void GL_APIENTRY glEGLImageTargetTexture2DOES (GLenum target, GLeglImageOES image);
+GL_APICALL void GL_APIENTRY glEGLImageTargetRenderbufferStorageOES (GLenum target, GLeglImageOES image);
+#endif
+typedef void (GL_APIENTRYP PFNGLEGLIMAGETARGETTEXTURE2DOESPROC) (GLenum target, GLeglImageOES image);
+typedef void (GL_APIENTRYP PFNGLEGLIMAGETARGETRENDERBUFFERSTORAGEOESPROC) (GLenum target, GLeglImageOES image);
+#endif
+
+/* GL_OES_EGL_image_external */
+#ifndef GL_OES_EGL_image_external
+#define GL_OES_EGL_image_external 1
+/* glEGLImageTargetTexture2DOES defined in GL_OES_EGL_image already. */
+#endif
+
+/* GL_OES_element_index_uint */
+#ifndef GL_OES_element_index_uint
+#define GL_OES_element_index_uint 1
+#endif
+
+/* GL_OES_fbo_render_mipmap */
+#ifndef GL_OES_fbo_render_mipmap
+#define GL_OES_fbo_render_mipmap 1
+#endif
+
+/* GL_OES_fragment_precision_high */
+#ifndef GL_OES_fragment_precision_high
+#define GL_OES_fragment_precision_high 1
+#endif
+
+/* GL_OES_get_program_binary */
+#ifndef GL_OES_get_program_binary
+#define GL_OES_get_program_binary 1
+#ifdef GL_GLEXT_PROTOTYPES
+GL_APICALL void GL_APIENTRY glGetProgramBinaryOES (GLuint program, GLsizei bufSize, GLsizei *length, GLenum *binaryFormat, GLvoid *binary);
+GL_APICALL void GL_APIENTRY glProgramBinaryOES (GLuint program, GLenum binaryFormat, const GLvoid *binary, GLint length);
+#endif
+typedef void (GL_APIENTRYP PFNGLGETPROGRAMBINARYOESPROC) (GLuint program, GLsizei bufSize, GLsizei *length, GLenum *binaryFormat, GLvoid *binary);
+typedef void (GL_APIENTRYP PFNGLPROGRAMBINARYOESPROC) (GLuint program, GLenum binaryFormat, const GLvoid *binary, GLint length);
+#endif
+
+/* GL_OES_mapbuffer */
+#ifndef GL_OES_mapbuffer
+#define GL_OES_mapbuffer 1
+#ifdef GL_GLEXT_PROTOTYPES
+GL_APICALL void* GL_APIENTRY glMapBufferOES (GLenum target, GLenum access);
+GL_APICALL GLboolean GL_APIENTRY glUnmapBufferOES (GLenum target);
+GL_APICALL void GL_APIENTRY glGetBufferPointervOES (GLenum target, GLenum pname, GLvoid** params);
+#endif
+typedef void* (GL_APIENTRYP PFNGLMAPBUFFEROESPROC) (GLenum target, GLenum access);
+typedef GLboolean (GL_APIENTRYP PFNGLUNMAPBUFFEROESPROC) (GLenum target);
+typedef void (GL_APIENTRYP PFNGLGETBUFFERPOINTERVOESPROC) (GLenum target, GLenum pname, GLvoid** params);
+#endif
+
+/* GL_OES_packed_depth_stencil */
+#ifndef GL_OES_packed_depth_stencil
+#define GL_OES_packed_depth_stencil 1
+#endif
+
+/* GL_OES_rgb8_rgba8 */
+#ifndef GL_OES_rgb8_rgba8
+#define GL_OES_rgb8_rgba8 1
+#endif
+
+/* GL_OES_standard_derivatives */
+#ifndef GL_OES_standard_derivatives
+#define GL_OES_standard_derivatives 1
+#endif
+
+/* GL_OES_stencil1 */
+#ifndef GL_OES_stencil1
+#define GL_OES_stencil1 1
+#endif
+
+/* GL_OES_stencil4 */
+#ifndef GL_OES_stencil4
+#define GL_OES_stencil4 1
+#endif
+
+/* GL_OES_texture_3D */
+#ifndef GL_OES_texture_3D
+#define GL_OES_texture_3D 1
+#ifdef GL_GLEXT_PROTOTYPES
+GL_APICALL void GL_APIENTRY glTexImage3DOES (GLenum target, GLint level, GLenum internalformat, GLsizei width, GLsizei height, GLsizei depth, GLint border, GLenum format, GLenum type, const GLvoid* pixels);
+GL_APICALL void GL_APIENTRY glTexSubImage3DOES (GLenum target, GLint level, GLint xoffset, GLint yoffset, GLint zoffset, GLsizei width, GLsizei height, GLsizei depth, GLenum format, GLenum type, const GLvoid* pixels);
+GL_APICALL void GL_APIENTRY glCopyTexSubImage3DOES (GLenum target, GLint level, GLint xoffset, GLint yoffset, GLint zoffset, GLint x, GLint y, GLsizei width, GLsizei height);
+GL_APICALL void GL_APIENTRY glCompressedTexImage3DOES (GLenum target, GLint level, GLenum internalformat, GLsizei width, GLsizei height, GLsizei depth, GLint border, GLsizei imageSize, const GLvoid* data);
+GL_APICALL void GL_APIENTRY glCompressedTexSubImage3DOES (GLenum target, GLint level, GLint xoffset, GLint yoffset, GLint zoffset, GLsizei width, GLsizei height, GLsizei depth, GLenum format, GLsizei imageSize, const GLvoid* data);
+GL_APICALL void GL_APIENTRY glFramebufferTexture3DOES (GLenum target, GLenum attachment, GLenum textarget, GLuint texture, GLint level, GLint zoffset);
+#endif
+typedef void (GL_APIENTRYP PFNGLTEXIMAGE3DOESPROC) (GLenum target, GLint level, GLenum internalformat, GLsizei width, GLsizei height, GLsizei depth, GLint border, GLenum format, GLenum type, const GLvoid* pixels);
+typedef void (GL_APIENTRYP PFNGLTEXSUBIMAGE3DOESPROC) (GLenum target, GLint level, GLint xoffset, GLint yoffset, GLint zoffset, GLsizei width, GLsizei height, GLsizei depth, GLenum format, GLenum type, const GLvoid* pixels);
+typedef void (GL_APIENTRYP PFNGLCOPYTEXSUBIMAGE3DOESPROC) (GLenum target, GLint level, GLint xoffset, GLint yoffset, GLint zoffset, GLint x, GLint y, GLsizei width, GLsizei height);
+typedef void (GL_APIENTRYP PFNGLCOMPRESSEDTEXIMAGE3DOESPROC) (GLenum target, GLint level, GLenum internalformat, GLsizei width, GLsizei height, GLsizei depth, GLint border, GLsizei imageSize, const GLvoid* data);
+typedef void (GL_APIENTRYP PFNGLCOMPRESSEDTEXSUBIMAGE3DOESPROC) (GLenum target, GLint level, GLint xoffset, GLint yoffset, GLint zoffset, GLsizei width, GLsizei height, GLsizei depth, GLenum format, GLsizei imageSize, const GLvoid* data);
+typedef void (GL_APIENTRYP PFNGLFRAMEBUFFERTEXTURE3DOES) (GLenum target, GLenum attachment, GLenum textarget, GLuint texture, GLint level, GLint zoffset);
+#endif
+
+/* GL_OES_texture_float */
+#ifndef GL_OES_texture_float
+#define GL_OES_texture_float 1
+#endif
+
+/* GL_OES_texture_float_linear */
+#ifndef GL_OES_texture_float_linear
+#define GL_OES_texture_float_linear 1
+#endif
+
+/* GL_OES_texture_half_float */
+#ifndef GL_OES_texture_half_float
+#define GL_OES_texture_half_float 1
+#endif
+
+/* GL_OES_texture_half_float_linear */
+#ifndef GL_OES_texture_half_float_linear
+#define GL_OES_texture_half_float_linear 1
+#endif
+
+/* GL_OES_texture_npot */
+#ifndef GL_OES_texture_npot
+#define GL_OES_texture_npot 1
+#endif
+
+/* GL_OES_vertex_array_object */
+#ifndef GL_OES_vertex_array_object
+#define GL_OES_vertex_array_object 1
+#ifdef GL_GLEXT_PROTOTYPES
+GL_APICALL void GL_APIENTRY glBindVertexArrayOES (GLuint array);
+GL_APICALL void GL_APIENTRY glDeleteVertexArraysOES (GLsizei n, const GLuint *arrays);
+GL_APICALL void GL_APIENTRY glGenVertexArraysOES (GLsizei n, GLuint *arrays);
+GL_APICALL GLboolean GL_APIENTRY glIsVertexArrayOES (GLuint array);
+#endif
+typedef void (GL_APIENTRYP PFNGLBINDVERTEXARRAYOESPROC) (GLuint array);
+typedef void (GL_APIENTRYP PFNGLDELETEVERTEXARRAYSOESPROC) (GLsizei n, const GLuint *arrays);
+typedef void (GL_APIENTRYP PFNGLGENVERTEXARRAYSOESPROC) (GLsizei n, GLuint *arrays);
+typedef GLboolean (GL_APIENTRYP PFNGLISVERTEXARRAYOESPROC) (GLuint array);
+#endif
+
+/* GL_OES_vertex_half_float */
+#ifndef GL_OES_vertex_half_float
+#define GL_OES_vertex_half_float 1
+#endif
+
+/* GL_OES_vertex_type_10_10_10_2 */
+#ifndef GL_OES_vertex_type_10_10_10_2
+#define GL_OES_vertex_type_10_10_10_2 1
+#endif
+
+/*------------------------------------------------------------------------*
+ * AMD extension functions
+ *------------------------------------------------------------------------*/
+
+/* GL_AMD_compressed_3DC_texture */
+#ifndef GL_AMD_compressed_3DC_texture
+#define GL_AMD_compressed_3DC_texture 1
+#endif
+
+/* GL_AMD_compressed_ATC_texture */
+#ifndef GL_AMD_compressed_ATC_texture
+#define GL_AMD_compressed_ATC_texture 1
+#endif
+
+/* AMD_performance_monitor */
+#ifndef GL_AMD_performance_monitor
+#define GL_AMD_performance_monitor 1
+#ifdef GL_GLEXT_PROTOTYPES
+GL_APICALL void GL_APIENTRY glGetPerfMonitorGroupsAMD (GLint *numGroups, GLsizei groupsSize, GLuint *groups);
+GL_APICALL void GL_APIENTRY glGetPerfMonitorCountersAMD (GLuint group, GLint *numCounters, GLint *maxActiveCounters, GLsizei counterSize, GLuint *counters);
+GL_APICALL void GL_APIENTRY glGetPerfMonitorGroupStringAMD (GLuint group, GLsizei bufSize, GLsizei *length, GLchar *groupString);
+GL_APICALL void GL_APIENTRY glGetPerfMonitorCounterStringAMD (GLuint group, GLuint counter, GLsizei bufSize, GLsizei *length, GLchar *counterString);
+GL_APICALL void GL_APIENTRY glGetPerfMonitorCounterInfoAMD (GLuint group, GLuint counter, GLenum pname, GLvoid *data);
+GL_APICALL void GL_APIENTRY glGenPerfMonitorsAMD (GLsizei n, GLuint *monitors);
+GL_APICALL void GL_APIENTRY glDeletePerfMonitorsAMD (GLsizei n, GLuint *monitors);
+GL_APICALL void GL_APIENTRY glSelectPerfMonitorCountersAMD (GLuint monitor, GLboolean enable, GLuint group, GLint numCounters, GLuint *countersList);
+GL_APICALL void GL_APIENTRY glBeginPerfMonitorAMD (GLuint monitor);
+GL_APICALL void GL_APIENTRY glEndPerfMonitorAMD (GLuint monitor);
+GL_APICALL void GL_APIENTRY glGetPerfMonitorCounterDataAMD (GLuint monitor, GLenum pname, GLsizei dataSize, GLuint *data, GLint *bytesWritten);
+#endif
+typedef void (GL_APIENTRYP PFNGLGETPERFMONITORGROUPSAMDPROC) (GLint *numGroups, GLsizei groupsSize, GLuint *groups);
+typedef void (GL_APIENTRYP PFNGLGETPERFMONITORCOUNTERSAMDPROC) (GLuint group, GLint *numCounters, GLint *maxActiveCounters, GLsizei counterSize, GLuint *counters);
+typedef void (GL_APIENTRYP PFNGLGETPERFMONITORGROUPSTRINGAMDPROC) (GLuint group, GLsizei bufSize, GLsizei *length, GLchar *groupString);
+typedef void (GL_APIENTRYP PFNGLGETPERFMONITORCOUNTERSTRINGAMDPROC) (GLuint group, GLuint counter, GLsizei bufSize, GLsizei *length, GLchar *counterString);
+typedef void (GL_APIENTRYP PFNGLGETPERFMONITORCOUNTERINFOAMDPROC) (GLuint group, GLuint counter, GLenum pname, GLvoid *data);
+typedef void (GL_APIENTRYP PFNGLGENPERFMONITORSAMDPROC) (GLsizei n, GLuint *monitors);
+typedef void (GL_APIENTRYP PFNGLDELETEPERFMONITORSAMDPROC) (GLsizei n, GLuint *monitors);
+typedef void (GL_APIENTRYP PFNGLSELECTPERFMONITORCOUNTERSAMDPROC) (GLuint monitor, GLboolean enable, GLuint group, GLint numCounters, GLuint *countersList);
+typedef void (GL_APIENTRYP PFNGLBEGINPERFMONITORAMDPROC) (GLuint monitor);
+typedef void (GL_APIENTRYP PFNGLENDPERFMONITORAMDPROC) (GLuint monitor);
+typedef void (GL_APIENTRYP PFNGLGETPERFMONITORCOUNTERDATAAMDPROC) (GLuint monitor, GLenum pname, GLsizei dataSize, GLuint *data, GLint *bytesWritten);
+#endif
+
+/* GL_AMD_program_binary_Z400 */
+#ifndef GL_AMD_program_binary_Z400
+#define GL_AMD_program_binary_Z400 1
+#endif
+
+/*------------------------------------------------------------------------*
+ * ANGLE extension functions
+ *------------------------------------------------------------------------*/
+
+/* GL_ANGLE_framebuffer_blit */
+#ifndef GL_ANGLE_framebuffer_blit
+#define GL_ANGLE_framebuffer_blit 1
+#ifdef GL_GLEXT_PROTOTYPES
+GL_APICALL void GL_APIENTRY glBlitFramebufferANGLE (GLint srcX0, GLint srcY0, GLint srcX1, GLint srcY1, GLint dstX0, GLint dstY0, GLint dstX1, GLint dstY1, GLbitfield mask, GLenum filter);
+#endif
+typedef void (GL_APIENTRYP PFNGLBLITFRAMEBUFFERANGLEPROC) (GLint srcX0, GLint srcY0, GLint srcX1, GLint srcY1, GLint dstX0, GLint dstY0, GLint dstX1, GLint dstY1, GLbitfield mask, GLenum filter);
+#endif
+
+/* GL_ANGLE_framebuffer_multisample */
+#ifndef GL_ANGLE_framebuffer_multisample
+#define GL_ANGLE_framebuffer_multisample 1
+#ifdef GL_GLEXT_PROTOTYPES
+GL_APICALL void GL_APIENTRY glRenderbufferStorageMultisampleANGLE (GLenum target, GLsizei samples, GLenum internalformat, GLsizei width, GLsizei height);
+#endif
+typedef void (GL_APIENTRYP PFNGLRENDERBUFFERSTORAGEMULTISAMPLEANGLEPROC) (GLenum target, GLsizei samples, GLenum internalformat, GLsizei width, GLsizei height);
+#endif
+
+/* GL_ANGLE_pack_reverse_row_order */
+#ifndef GL_ANGLE_pack_reverse_row_order
+#define GL_ANGLE_pack_reverse_row_order 1
+#endif
+
+/* GL_ANGLE_texture_compression_dxt3 */
+#ifndef GL_ANGLE_texture_compression_dxt3
+#define GL_ANGLE_texture_compression_dxt3 1
+#endif
+
+/* GL_ANGLE_texture_compression_dxt5 */
+#ifndef GL_ANGLE_texture_compression_dxt5
+#define GL_ANGLE_texture_compression_dxt5 1
+#endif
+
+/* GL_ANGLE_translated_shader_source */
+#ifndef GL_ANGLE_translated_shader_source
+#define GL_ANGLE_translated_shader_source 1
+#ifdef GL_GLEXT_PROTOTYPES
+GL_APICALL void GL_APIENTRY glGetTranslatedShaderSourceANGLE (GLuint shader, GLsizei bufsize, GLsizei* length, GLchar* source);
+#endif
+typedef void (GL_APIENTRYP PFNGLGETTRANSLATEDSHADERSOURCEANGLEPROC) (GLuint shader, GLsizei bufsize, GLsizei* length, GLchar* source);
+#endif
+
+/* GL_ANGLE_texture_usage */
+#ifndef GL_ANGLE_texture_usage
+#define GL_ANGLE_texture_usage 1
+#endif
+
+/* GL_ANGLE_instanced_arrays */
+#ifndef GL_ANGLE_instanced_arrays
+#define GL_ANGLE_instanced_arrays 1
+#ifdef GL_GLEXT_PROTOTYPES
+GL_APICALL void GL_APIENTRY glVertexAttribDivisorANGLE(GLuint index, GLuint divisor);
+GL_APICALL void GL_APIENTRY glDrawArraysInstancedANGLE(GLenum mode, GLint first, GLsizei count, GLsizei primcount);
+GL_APICALL void GL_APIENTRY glDrawElementsInstancedANGLE(GLenum mode, GLsizei count, GLenum type, const GLvoid *indices, GLsizei primcount);
+#endif
+typedef void (GL_APIENTRYP PFNGLVERTEXATTRIBDIVISORANGLEPROC) (GLuint index, GLuint divisor);
+typedef void (GL_APIENTRYP PFNGLDRAWARRAYSINSTANCEDANGLEPROC) (GLenum mode, GLint first, GLsizei count, GLsizei primcount);
+typedef void (GL_APIENTRYP PFNGLDRAWELEMENTSINSTANCEDANGLEPROC) (GLenum mode, GLsizei count, GLenum type, const GLvoid *indices, GLsizei primcount);
+#endif
+
+/*------------------------------------------------------------------------*
+ * APPLE extension functions
+ *------------------------------------------------------------------------*/
+
+/* GL_APPLE_rgb_422 */
+#ifndef GL_APPLE_rgb_422
+#define GL_APPLE_rgb_422 1
+#endif
+
+/* GL_APPLE_framebuffer_multisample */
+#ifndef GL_APPLE_framebuffer_multisample
+#define GL_APPLE_framebuffer_multisample 1
+#ifdef GL_GLEXT_PROTOTYPES
+GL_APICALL void GL_APIENTRY glRenderbufferStorageMultisampleAPPLE (GLenum, GLsizei, GLenum, GLsizei, GLsizei);
+GL_APICALL void GL_APIENTRY glResolveMultisampleFramebufferAPPLE (void);
+#endif /* GL_GLEXT_PROTOTYPES */
+typedef void (GL_APIENTRYP PFNGLRENDERBUFFERSTORAGEMULTISAMPLEAPPLEPROC) (GLenum target, GLsizei samples, GLenum internalformat, GLsizei width, GLsizei height);
+typedef void (GL_APIENTRYP PFNGLRESOLVEMULTISAMPLEFRAMEBUFFERAPPLEPROC) (void);
+#endif
+
+/* GL_APPLE_texture_format_BGRA8888 */
+#ifndef GL_APPLE_texture_format_BGRA8888
+#define GL_APPLE_texture_format_BGRA8888 1
+#endif
+
+/* GL_APPLE_texture_max_level */
+#ifndef GL_APPLE_texture_max_level
+#define GL_APPLE_texture_max_level 1
+#endif
+
+/*------------------------------------------------------------------------*
+ * ARM extension functions
+ *------------------------------------------------------------------------*/
+
+/* GL_ARM_mali_shader_binary */
+#ifndef GL_ARM_mali_shader_binary
+#define GL_ARM_mali_shader_binary 1
+#endif
+
+/* GL_ARM_rgba8 */
+#ifndef GL_ARM_rgba8
+#define GL_ARM_rgba8 1
+#endif
+
+/*------------------------------------------------------------------------*
+ * EXT extension functions
+ *------------------------------------------------------------------------*/
+
+/* GL_EXT_blend_minmax */
+#ifndef GL_EXT_blend_minmax
+#define GL_EXT_blend_minmax 1
+#endif
+
+/* GL_EXT_color_buffer_half_float */
+#ifndef GL_EXT_color_buffer_half_float
+#define GL_EXT_color_buffer_half_float 1
+#endif
+
+/* GL_EXT_debug_label */
+#ifndef GL_EXT_debug_label
+#define GL_EXT_debug_label 1
+#ifdef GL_GLEXT_PROTOTYPES
+GL_APICALL void GL_APIENTRY glLabelObjectEXT (GLenum type, GLuint object, GLsizei length, const GLchar *label);
+GL_APICALL void GL_APIENTRY glGetObjectLabelEXT (GLenum type, GLuint object, GLsizei bufSize, GLsizei *length, GLchar *label);
+#endif
+typedef void (GL_APIENTRYP PFNGLLABELOBJECTEXTPROC) (GLenum type, GLuint object, GLsizei length, const GLchar *label);
+typedef void (GL_APIENTRYP PFNGLGETOBJECTLABELEXTPROC) (GLenum type, GLuint object, GLsizei bufSize, GLsizei *length, GLchar *label);
+#endif
+
+/* GL_EXT_debug_marker */
+#ifndef GL_EXT_debug_marker
+#define GL_EXT_debug_marker 1
+#ifdef GL_GLEXT_PROTOTYPES
+GL_APICALL void GL_APIENTRY glInsertEventMarkerEXT (GLsizei length, const GLchar *marker);
+GL_APICALL void GL_APIENTRY glPushGroupMarkerEXT (GLsizei length, const GLchar *marker);
+GL_APICALL void GL_APIENTRY glPopGroupMarkerEXT (void);
+#endif
+typedef void (GL_APIENTRYP PFNGLINSERTEVENTMARKEREXTPROC) (GLsizei length, const GLchar *marker);
+typedef void (GL_APIENTRYP PFNGLPUSHGROUPMARKEREXTPROC) (GLsizei length, const GLchar *marker);
+typedef void (GL_APIENTRYP PFNGLPOPGROUPMARKEREXTPROC) (void);
+#endif
+
+/* GL_EXT_discard_framebuffer */
+#ifndef GL_EXT_discard_framebuffer
+#define GL_EXT_discard_framebuffer 1
+#ifdef GL_GLEXT_PROTOTYPES
+GL_APICALL void GL_APIENTRY glDiscardFramebufferEXT (GLenum target, GLsizei numAttachments, const GLenum *attachments);
+#endif
+typedef void (GL_APIENTRYP PFNGLDISCARDFRAMEBUFFEREXTPROC) (GLenum target, GLsizei numAttachments, const GLenum *attachments);
+#endif
+
+/* GL_EXT_multisampled_render_to_texture */
+#ifndef GL_EXT_multisampled_render_to_texture
+#define GL_EXT_multisampled_render_to_texture 1
+#ifdef GL_GLEXT_PROTOTYPES
+GL_APICALL void GL_APIENTRY glRenderbufferStorageMultisampleEXT (GLenum, GLsizei, GLenum, GLsizei, GLsizei);
+GL_APICALL void GL_APIENTRY glFramebufferTexture2DMultisampleEXT (GLenum, GLenum, GLenum, GLuint, GLint, GLsizei);
+#endif
+typedef void (GL_APIENTRYP PFNGLRENDERBUFFERSTORAGEMULTISAMPLEEXTPROC) (GLenum target, GLsizei samples, GLenum internalformat, GLsizei width, GLsizei height);
+typedef void (GL_APIENTRYP PFNGLFRAMEBUFFERTEXTURE2DMULTISAMPLEEXTPROC) (GLenum target, GLenum attachment, GLenum textarget, GLuint texture, GLint level, GLsizei samples);
+#endif
+
+#ifndef GL_EXT_multi_draw_arrays
+#define GL_EXT_multi_draw_arrays 1
+#ifdef GL_GLEXT_PROTOTYPES
+GL_APICALL void GL_APIENTRY glMultiDrawArraysEXT (GLenum, GLint *, GLsizei *, GLsizei);
+GL_APICALL void GL_APIENTRY glMultiDrawElementsEXT (GLenum, const GLsizei *, GLenum, const GLvoid* *, GLsizei);
+#endif /* GL_GLEXT_PROTOTYPES */
+typedef void (GL_APIENTRYP PFNGLMULTIDRAWARRAYSEXTPROC) (GLenum mode, GLint *first, GLsizei *count, GLsizei primcount);
+typedef void (GL_APIENTRYP PFNGLMULTIDRAWELEMENTSEXTPROC) (GLenum mode, const GLsizei *count, GLenum type, const GLvoid* *indices, GLsizei primcount);
+#endif
+
+/* GL_EXT_occlusion_query_boolean */
+#ifndef GL_EXT_occlusion_query_boolean
+#define GL_EXT_occlusion_query_boolean 1
+#ifdef GL_GLEXT_PROTOTYPES
+GL_APICALL void GL_APIENTRY glGenQueriesEXT (GLsizei n, GLuint *ids);
+GL_APICALL void GL_APIENTRY glDeleteQueriesEXT (GLsizei n, const GLuint *ids);
+GL_APICALL GLboolean GL_APIENTRY glIsQueryEXT (GLuint id);
+GL_APICALL void GL_APIENTRY glBeginQueryEXT (GLenum target, GLuint id);
+GL_APICALL void GL_APIENTRY glEndQueryEXT (GLenum target);
+GL_APICALL void GL_APIENTRY glGetQueryivEXT (GLenum target, GLenum pname, GLint *params);
+GL_APICALL void GL_APIENTRY glGetQueryObjectuivEXT (GLuint id, GLenum pname, GLuint *params);
+#endif
+typedef void (GL_APIENTRYP PFNGLGENQUERIESEXTPROC) (GLsizei n, GLuint *ids);
+typedef void (GL_APIENTRYP PFNGLDELETEQUERIESEXTPROC) (GLsizei n, const GLuint *ids);
+typedef GLboolean (GL_APIENTRYP PFNGLISQUERYEXTPROC) (GLuint id);
+typedef void (GL_APIENTRYP PFNGLBEGINQUERYEXTPROC) (GLenum target, GLuint id);
+typedef void (GL_APIENTRYP PFNGLENDQUERYEXTPROC) (GLenum target);
+typedef void (GL_APIENTRYP PFNGLGETQUERYIVEXTPROC) (GLenum target, GLenum pname, GLint *params);
+typedef void (GL_APIENTRYP PFNGLGETQUERYOBJECTUIVEXTPROC) (GLuint id, GLenum pname, GLuint *params);
+#endif
+
+/* GL_EXT_read_format_bgra */
+#ifndef GL_EXT_read_format_bgra
+#define GL_EXT_read_format_bgra 1
+#endif
+
+/* GL_EXT_robustness */
+#ifndef GL_EXT_robustness
+#define GL_EXT_robustness 1
+#ifdef GL_GLEXT_PROTOTYPES
+GL_APICALL GLenum GL_APIENTRY glGetGraphicsResetStatusEXT (void);
+GL_APICALL void GL_APIENTRY glReadnPixelsEXT (GLint x, GLint y, GLsizei width, GLsizei height, GLenum format, GLenum type, GLsizei bufSize, void *data);
+GL_APICALL void GL_APIENTRY glGetnUniformfvEXT (GLuint program, GLint location, GLsizei bufSize, float *params);
+GL_APICALL void GL_APIENTRY glGetnUniformivEXT (GLuint program, GLint location, GLsizei bufSize, GLint *params);
+#endif
+typedef GLenum (GL_APIENTRYP PFNGLGETGRAPHICSRESETSTATUSEXTPROC) (void);
+typedef void (GL_APIENTRYP PFNGLREADNPIXELSEXTPROC) (GLint x, GLint y, GLsizei width, GLsizei height, GLenum format, GLenum type, GLsizei bufSize, void *data);
+typedef void (GL_APIENTRYP PFNGLGETNUNIFORMFVEXTPROC) (GLuint program, GLint location, GLsizei bufSize, float *params);
+typedef void (GL_APIENTRYP PFNGLGETNUNIFORMIVEXTPROC) (GLuint program, GLint location, GLsizei bufSize, GLint *params);
+#endif
+
+/* GL_EXT_separate_shader_objects */
+#ifndef GL_EXT_separate_shader_objects
+#define GL_EXT_separate_shader_objects 1
+#ifdef GL_GLEXT_PROTOTYPES
+GL_APICALL void GL_APIENTRY glUseProgramStagesEXT (GLuint pipeline, GLbitfield stages, GLuint program);
+GL_APICALL void GL_APIENTRY glActiveShaderProgramEXT (GLuint pipeline, GLuint program);
+GL_APICALL GLuint GL_APIENTRY glCreateShaderProgramvEXT (GLenum type, GLsizei count, const GLchar **strings);
+GL_APICALL void GL_APIENTRY glBindProgramPipelineEXT (GLuint pipeline);
+GL_APICALL void GL_APIENTRY glDeleteProgramPipelinesEXT (GLsizei n, const GLuint *pipelines);
+GL_APICALL void GL_APIENTRY glGenProgramPipelinesEXT (GLsizei n, GLuint *pipelines);
+GL_APICALL GLboolean GL_APIENTRY glIsProgramPipelineEXT (GLuint pipeline);
+GL_APICALL void GL_APIENTRY glProgramParameteriEXT (GLuint program, GLenum pname, GLint value);
+GL_APICALL void GL_APIENTRY glGetProgramPipelineivEXT (GLuint pipeline, GLenum pname, GLint *params);
+GL_APICALL void GL_APIENTRY glProgramUniform1iEXT (GLuint program, GLint location, GLint x);
+GL_APICALL void GL_APIENTRY glProgramUniform2iEXT (GLuint program, GLint location, GLint x, GLint y);
+GL_APICALL void GL_APIENTRY glProgramUniform3iEXT (GLuint program, GLint location, GLint x, GLint y, GLint z);
+GL_APICALL void GL_APIENTRY glProgramUniform4iEXT (GLuint program, GLint location, GLint x, GLint y, GLint z, GLint w);
+GL_APICALL void GL_APIENTRY glProgramUniform1fEXT (GLuint program, GLint location, GLfloat x);
+GL_APICALL void GL_APIENTRY glProgramUniform2fEXT (GLuint program, GLint location, GLfloat x, GLfloat y);
+GL_APICALL void GL_APIENTRY glProgramUniform3fEXT (GLuint program, GLint location, GLfloat x, GLfloat y, GLfloat z);
+GL_APICALL void GL_APIENTRY glProgramUniform4fEXT (GLuint program, GLint location, GLfloat x, GLfloat y, GLfloat z, GLfloat w);
+GL_APICALL void GL_APIENTRY glProgramUniform1ivEXT (GLuint program, GLint location, GLsizei count, const GLint *value);
+GL_APICALL void GL_APIENTRY glProgramUniform2ivEXT (GLuint program, GLint location, GLsizei count, const GLint *value);
+GL_APICALL void GL_APIENTRY glProgramUniform3ivEXT (GLuint program, GLint location, GLsizei count, const GLint *value);
+GL_APICALL void GL_APIENTRY glProgramUniform4ivEXT (GLuint program, GLint location, GLsizei count, const GLint *value);
+GL_APICALL void GL_APIENTRY glProgramUniform1fvEXT (GLuint program, GLint location, GLsizei count, const GLfloat *value);
+GL_APICALL void GL_APIENTRY glProgramUniform2fvEXT (GLuint program, GLint location, GLsizei count, const GLfloat *value);
+GL_APICALL void GL_APIENTRY glProgramUniform3fvEXT (GLuint program, GLint location, GLsizei count, const GLfloat *value);
+GL_APICALL void GL_APIENTRY glProgramUniform4fvEXT (GLuint program, GLint location, GLsizei count, const GLfloat *value);
+GL_APICALL void GL_APIENTRY glProgramUniformMatrix2fvEXT (GLuint program, GLint location, GLsizei count, GLboolean transpose, const GLfloat *value);
+GL_APICALL void GL_APIENTRY glProgramUniformMatrix3fvEXT (GLuint program, GLint location, GLsizei count, GLboolean transpose, const GLfloat *value);
+GL_APICALL void GL_APIENTRY glProgramUniformMatrix4fvEXT (GLuint program, GLint location, GLsizei count, GLboolean transpose, const GLfloat *value);
+GL_APICALL void GL_APIENTRY glValidateProgramPipelineEXT (GLuint pipeline);
+GL_APICALL void GL_APIENTRY glGetProgramPipelineInfoLogEXT (GLuint pipeline, GLsizei bufSize, GLsizei *length, GLchar *infoLog);
+#endif
+typedef void (GL_APIENTRYP PFNGLUSEPROGRAMSTAGESEXTPROC) (GLuint pipeline, GLbitfield stages, GLuint program);
+typedef void (GL_APIENTRYP PFNGLACTIVESHADERPROGRAMEXTPROC) (GLuint pipeline, GLuint program);
+typedef GLuint (GL_APIENTRYP PFNGLCREATESHADERPROGRAMVEXTPROC) (GLenum type, GLsizei count, const GLchar **strings);
+typedef void (GL_APIENTRYP PFNGLBINDPROGRAMPIPELINEEXTPROC) (GLuint pipeline);
+typedef void (GL_APIENTRYP PFNGLDELETEPROGRAMPIPELINESEXTPROC) (GLsizei n, const GLuint *pipelines);
+typedef void (GL_APIENTRYP PFNGLGENPROGRAMPIPELINESEXTPROC) (GLsizei n, GLuint *pipelines);
+typedef GLboolean (GL_APIENTRYP PFNGLISPROGRAMPIPELINEEXTPROC) (GLuint pipeline);
+typedef void (GL_APIENTRYP PFNGLPROGRAMPARAMETERIEXTPROC) (GLuint program, GLenum pname, GLint value);
+typedef void (GL_APIENTRYP PFNGLGETPROGRAMPIPELINEIVEXTPROC) (GLuint pipeline, GLenum pname, GLint *params);
+typedef void (GL_APIENTRYP PFNGLPROGRAMUNIFORM1IEXTPROC) (GLuint program, GLint location, GLint x);
+typedef void (GL_APIENTRYP PFNGLPROGRAMUNIFORM2IEXTPROC) (GLuint program, GLint location, GLint x, GLint y);
+typedef void (GL_APIENTRYP PFNGLPROGRAMUNIFORM3IEXTPROC) (GLuint program, GLint location, GLint x, GLint y, GLint z);
+typedef void (GL_APIENTRYP PFNGLPROGRAMUNIFORM4IEXTPROC) (GLuint program, GLint location, GLint x, GLint y, GLint z, GLint w);
+typedef void (GL_APIENTRYP PFNGLPROGRAMUNIFORM1FEXTPROC) (GLuint program, GLint location, GLfloat x);
+typedef void (GL_APIENTRYP PFNGLPROGRAMUNIFORM2FEXTPROC) (GLuint program, GLint location, GLfloat x, GLfloat y);
+typedef void (GL_APIENTRYP PFNGLPROGRAMUNIFORM3FEXTPROC) (GLuint program, GLint location, GLfloat x, GLfloat y, GLfloat z);
+typedef void (GL_APIENTRYP PFNGLPROGRAMUNIFORM4FEXTPROC) (GLuint program, GLint location, GLfloat x, GLfloat y, GLfloat z, GLfloat w);
+typedef void (GL_APIENTRYP PFNGLPROGRAMUNIFORM1IVEXTPROC) (GLuint program, GLint location, GLsizei count, const GLint *value);
+typedef void (GL_APIENTRYP PFNGLPROGRAMUNIFORM2IVEXTPROC) (GLuint program, GLint location, GLsizei count, const GLint *value);
+typedef void (GL_APIENTRYP PFNGLPROGRAMUNIFORM3IVEXTPROC) (GLuint program, GLint location, GLsizei count, const GLint *value);
+typedef void (GL_APIENTRYP PFNGLPROGRAMUNIFORM4IVEXTPROC) (GLuint program, GLint location, GLsizei count, const GLint *value);
+typedef void (GL_APIENTRYP PFNGLPROGRAMUNIFORM1FVEXTPROC) (GLuint program, GLint location, GLsizei count, const GLfloat *value);
+typedef void (GL_APIENTRYP PFNGLPROGRAMUNIFORM2FVEXTPROC) (GLuint program, GLint location, GLsizei count, const GLfloat *value);
+typedef void (GL_APIENTRYP PFNGLPROGRAMUNIFORM3FVEXTPROC) (GLuint program, GLint location, GLsizei count, const GLfloat *value);
+typedef void (GL_APIENTRYP PFNGLPROGRAMUNIFORM4FVEXTPROC) (GLuint program, GLint location, GLsizei count, const GLfloat *value);
+typedef void (GL_APIENTRYP PFNGLPROGRAMUNIFORMMATRIX2FVEXTPROC) (GLuint program, GLint location, GLsizei count, GLboolean transpose, const GLfloat *value);
+typedef void (GL_APIENTRYP PFNGLPROGRAMUNIFORMMATRIX3FVEXTPROC) (GLuint program, GLint location, GLsizei count, GLboolean transpose, const GLfloat *value);
+typedef void (GL_APIENTRYP PFNGLPROGRAMUNIFORMMATRIX4FVEXTPROC) (GLuint program, GLint location, GLsizei count, GLboolean transpose, const GLfloat *value);
+typedef void (GL_APIENTRYP PFNGLVALIDATEPROGRAMPIPELINEEXTPROC) (GLuint pipeline);
+typedef void (GL_APIENTRYP PFNGLGETPROGRAMPIPELINEINFOLOGEXTPROC) (GLuint pipeline, GLsizei bufSize, GLsizei *length, GLchar *infoLog);
+#endif
+
+/* GL_EXT_shader_texture_lod */
+#ifndef GL_EXT_shader_texture_lod
+#define GL_EXT_shader_texture_lod 1
+#endif
+
+/* GL_EXT_shadow_samplers */
+#ifndef GL_EXT_shadow_samplers
+#define GL_EXT_shadow_samplers 1
+#endif
+
+/* GL_EXT_sRGB */
+#ifndef GL_EXT_sRGB
+#define GL_EXT_sRGB 1
+#endif
+
+/* GL_EXT_texture_compression_dxt1 */
+#ifndef GL_EXT_texture_compression_dxt1
+#define GL_EXT_texture_compression_dxt1 1
+#endif
+
+/* GL_EXT_texture_filter_anisotropic */
+#ifndef GL_EXT_texture_filter_anisotropic
+#define GL_EXT_texture_filter_anisotropic 1
+#endif
+
+/* GL_EXT_texture_format_BGRA8888 */
+#ifndef GL_EXT_texture_format_BGRA8888
+#define GL_EXT_texture_format_BGRA8888 1
+#endif
+
+/* GL_EXT_texture_rg */
+#ifndef GL_EXT_texture_rg
+#define GL_EXT_texture_rg 1
+#endif
+
+/* GL_EXT_texture_storage */
+#ifndef GL_EXT_texture_storage
+#define GL_EXT_texture_storage 1
+#ifdef GL_GLEXT_PROTOTYPES
+GL_APICALL void GL_APIENTRY glTexStorage1DEXT (GLenum target, GLsizei levels, GLenum internalformat, GLsizei width);
+GL_APICALL void GL_APIENTRY glTexStorage2DEXT (GLenum target, GLsizei levels, GLenum internalformat, GLsizei width, GLsizei height);
+GL_APICALL void GL_APIENTRY glTexStorage3DEXT (GLenum target, GLsizei levels, GLenum internalformat, GLsizei width, GLsizei height, GLsizei depth);
+GL_APICALL void GL_APIENTRY glTextureStorage1DEXT (GLuint texture, GLenum target, GLsizei levels, GLenum internalformat, GLsizei width);
+GL_APICALL void GL_APIENTRY glTextureStorage2DEXT (GLuint texture, GLenum target, GLsizei levels, GLenum internalformat, GLsizei width, GLsizei height);
+GL_APICALL void GL_APIENTRY glTextureStorage3DEXT (GLuint texture, GLenum target, GLsizei levels, GLenum internalformat, GLsizei width, GLsizei height, GLsizei depth);
+#endif
+typedef void (GL_APIENTRYP PFNGLTEXSTORAGE1DEXTPROC) (GLenum target, GLsizei levels, GLenum internalformat, GLsizei width);
+typedef void (GL_APIENTRYP PFNGLTEXSTORAGE2DEXTPROC) (GLenum target, GLsizei levels, GLenum internalformat, GLsizei width, GLsizei height);
+typedef void (GL_APIENTRYP PFNGLTEXSTORAGE3DEXTPROC) (GLenum target, GLsizei levels, GLenum internalformat, GLsizei width, GLsizei height, GLsizei depth);
+typedef void (GL_APIENTRYP PFNGLTEXTURESTORAGE1DEXTPROC) (GLuint texture, GLenum target, GLsizei levels, GLenum internalformat, GLsizei width);
+typedef void (GL_APIENTRYP PFNGLTEXTURESTORAGE2DEXTPROC) (GLuint texture, GLenum target, GLsizei levels, GLenum internalformat, GLsizei width, GLsizei height);
+typedef void (GL_APIENTRYP PFNGLTEXTURESTORAGE3DEXTPROC) (GLuint texture, GLenum target, GLsizei levels, GLenum internalformat, GLsizei width, GLsizei height, GLsizei depth);
+#endif
+
+/* GL_EXT_texture_type_2_10_10_10_REV */
+#ifndef GL_EXT_texture_type_2_10_10_10_REV
+#define GL_EXT_texture_type_2_10_10_10_REV 1
+#endif
+
+/* GL_EXT_unpack_subimage */
+#ifndef GL_EXT_unpack_subimage
+#define GL_EXT_unpack_subimage 1
+#endif
+
+/*------------------------------------------------------------------------*
+ * DMP extension functions
+ *------------------------------------------------------------------------*/
+
+/* GL_DMP_shader_binary */
+#ifndef GL_DMP_shader_binary
+#define GL_DMP_shader_binary 1
+#endif
+
+/*------------------------------------------------------------------------*
+ * IMG extension functions
+ *------------------------------------------------------------------------*/
+
+/* GL_IMG_program_binary */
+#ifndef GL_IMG_program_binary
+#define GL_IMG_program_binary 1
+#endif
+
+/* GL_IMG_read_format */
+#ifndef GL_IMG_read_format
+#define GL_IMG_read_format 1
+#endif
+
+/* GL_IMG_shader_binary */
+#ifndef GL_IMG_shader_binary
+#define GL_IMG_shader_binary 1
+#endif
+
+/* GL_IMG_texture_compression_pvrtc */
+#ifndef GL_IMG_texture_compression_pvrtc
+#define GL_IMG_texture_compression_pvrtc 1
+#endif
+
+/* GL_IMG_multisampled_render_to_texture */
+#ifndef GL_IMG_multisampled_render_to_texture
+#define GL_IMG_multisampled_render_to_texture 1
+#ifdef GL_GLEXT_PROTOTYPES
+GL_APICALL void GL_APIENTRY glRenderbufferStorageMultisampleIMG (GLenum, GLsizei, GLenum, GLsizei, GLsizei);
+GL_APICALL void GL_APIENTRY glFramebufferTexture2DMultisampleIMG (GLenum, GLenum, GLenum, GLuint, GLint, GLsizei);
+#endif
+typedef void (GL_APIENTRYP PFNGLRENDERBUFFERSTORAGEMULTISAMPLEIMG) (GLenum target, GLsizei samples, GLenum internalformat, GLsizei width, GLsizei height);
+typedef void (GL_APIENTRYP PFNGLFRAMEBUFFERTEXTURE2DMULTISAMPLEIMG) (GLenum target, GLenum attachment, GLenum textarget, GLuint texture, GLint level, GLsizei samples);
+#endif
+
+/*------------------------------------------------------------------------*
+ * NV extension functions
+ *------------------------------------------------------------------------*/
+
+/* GL_NV_coverage_sample */
+#ifndef GL_NV_coverage_sample
+#define GL_NV_coverage_sample 1
+#ifdef GL_GLEXT_PROTOTYPES
+GL_APICALL void GL_APIENTRY glCoverageMaskNV (GLboolean mask);
+GL_APICALL void GL_APIENTRY glCoverageOperationNV (GLenum operation);
+#endif
+typedef void (GL_APIENTRYP PFNGLCOVERAGEMASKNVPROC) (GLboolean mask);
+typedef void (GL_APIENTRYP PFNGLCOVERAGEOPERATIONNVPROC) (GLenum operation);
+#endif
+
+/* GL_NV_depth_nonlinear */
+#ifndef GL_NV_depth_nonlinear
+#define GL_NV_depth_nonlinear 1
+#endif
+
+/* GL_NV_draw_buffers */
+#ifndef GL_NV_draw_buffers
+#define GL_NV_draw_buffers 1
+#ifdef GL_GLEXT_PROTOTYPES
+GL_APICALL void GL_APIENTRY glDrawBuffersNV (GLsizei n, const GLenum *bufs);
+#endif
+typedef void (GL_APIENTRYP PFNGLDRAWBUFFERSNVPROC) (GLsizei n, const GLenum *bufs);
+#endif
+
+/* GL_NV_fbo_color_attachments */
+#ifndef GL_NV_fbo_color_attachments
+#define GL_NV_fbo_color_attachments 1
+#endif
+
+/* GL_NV_fence */
+#ifndef GL_NV_fence
+#define GL_NV_fence 1
+#ifdef GL_GLEXT_PROTOTYPES
+GL_APICALL void GL_APIENTRY glDeleteFencesNV (GLsizei, const GLuint *);
+GL_APICALL void GL_APIENTRY glGenFencesNV (GLsizei, GLuint *);
+GL_APICALL GLboolean GL_APIENTRY glIsFenceNV (GLuint);
+GL_APICALL GLboolean GL_APIENTRY glTestFenceNV (GLuint);
+GL_APICALL void GL_APIENTRY glGetFenceivNV (GLuint, GLenum, GLint *);
+GL_APICALL void GL_APIENTRY glFinishFenceNV (GLuint);
+GL_APICALL void GL_APIENTRY glSetFenceNV (GLuint, GLenum);
+#endif
+typedef void (GL_APIENTRYP PFNGLDELETEFENCESNVPROC) (GLsizei n, const GLuint *fences);
+typedef void (GL_APIENTRYP PFNGLGENFENCESNVPROC) (GLsizei n, GLuint *fences);
+typedef GLboolean (GL_APIENTRYP PFNGLISFENCENVPROC) (GLuint fence);
+typedef GLboolean (GL_APIENTRYP PFNGLTESTFENCENVPROC) (GLuint fence);
+typedef void (GL_APIENTRYP PFNGLGETFENCEIVNVPROC) (GLuint fence, GLenum pname, GLint *params);
+typedef void (GL_APIENTRYP PFNGLFINISHFENCENVPROC) (GLuint fence);
+typedef void (GL_APIENTRYP PFNGLSETFENCENVPROC) (GLuint fence, GLenum condition);
+#endif
+
+/* GL_NV_read_buffer */
+#ifndef GL_NV_read_buffer
+#define GL_NV_read_buffer 1
+#ifdef GL_GLEXT_PROTOTYPES
+GL_APICALL void GL_APIENTRY glReadBufferNV (GLenum mode);
+#endif
+typedef void (GL_APIENTRYP PFNGLREADBUFFERNVPROC) (GLenum mode);
+#endif
+
+/* GL_NV_read_buffer_front */
+#ifndef GL_NV_read_buffer_front
+#define GL_NV_read_buffer_front 1
+#endif
+
+/* GL_NV_read_depth */
+#ifndef GL_NV_read_depth
+#define GL_NV_read_depth 1
+#endif
+
+/* GL_NV_read_depth_stencil */
+#ifndef GL_NV_read_depth_stencil
+#define GL_NV_read_depth_stencil 1
+#endif
+
+/* GL_NV_read_stencil */
+#ifndef GL_NV_read_stencil
+#define GL_NV_read_stencil 1
+#endif
+
+/* GL_NV_texture_compression_s3tc_update */
+#ifndef GL_NV_texture_compression_s3tc_update
+#define GL_NV_texture_compression_s3tc_update 1
+#endif
+
+/* GL_NV_texture_npot_2D_mipmap */
+#ifndef GL_NV_texture_npot_2D_mipmap
+#define GL_NV_texture_npot_2D_mipmap 1
+#endif
+
+/*------------------------------------------------------------------------*
+ * QCOM extension functions
+ *------------------------------------------------------------------------*/
+
+/* GL_QCOM_alpha_test */
+#ifndef GL_QCOM_alpha_test
+#define GL_QCOM_alpha_test 1
+#ifdef GL_GLEXT_PROTOTYPES
+GL_APICALL void GL_APIENTRY glAlphaFuncQCOM (GLenum func, GLclampf ref);
+#endif
+typedef void (GL_APIENTRYP PFNGLALPHAFUNCQCOMPROC) (GLenum func, GLclampf ref);
+#endif
+
+/* GL_QCOM_driver_control */
+#ifndef GL_QCOM_driver_control
+#define GL_QCOM_driver_control 1
+#ifdef GL_GLEXT_PROTOTYPES
+GL_APICALL void GL_APIENTRY glGetDriverControlsQCOM (GLint *num, GLsizei size, GLuint *driverControls);
+GL_APICALL void GL_APIENTRY glGetDriverControlStringQCOM (GLuint driverControl, GLsizei bufSize, GLsizei *length, GLchar *driverControlString);
+GL_APICALL void GL_APIENTRY glEnableDriverControlQCOM (GLuint driverControl);
+GL_APICALL void GL_APIENTRY glDisableDriverControlQCOM (GLuint driverControl);
+#endif
+typedef void (GL_APIENTRYP PFNGLGETDRIVERCONTROLSQCOMPROC) (GLint *num, GLsizei size, GLuint *driverControls);
+typedef void (GL_APIENTRYP PFNGLGETDRIVERCONTROLSTRINGQCOMPROC) (GLuint driverControl, GLsizei bufSize, GLsizei *length, GLchar *driverControlString);
+typedef void (GL_APIENTRYP PFNGLENABLEDRIVERCONTROLQCOMPROC) (GLuint driverControl);
+typedef void (GL_APIENTRYP PFNGLDISABLEDRIVERCONTROLQCOMPROC) (GLuint driverControl);
+#endif
+
+/* GL_QCOM_extended_get */
+#ifndef GL_QCOM_extended_get
+#define GL_QCOM_extended_get 1
+#ifdef GL_GLEXT_PROTOTYPES
+GL_APICALL void GL_APIENTRY glExtGetTexturesQCOM (GLuint *textures, GLint maxTextures, GLint *numTextures);
+GL_APICALL void GL_APIENTRY glExtGetBuffersQCOM (GLuint *buffers, GLint maxBuffers, GLint *numBuffers);
+GL_APICALL void GL_APIENTRY glExtGetRenderbuffersQCOM (GLuint *renderbuffers, GLint maxRenderbuffers, GLint *numRenderbuffers);
+GL_APICALL void GL_APIENTRY glExtGetFramebuffersQCOM (GLuint *framebuffers, GLint maxFramebuffers, GLint *numFramebuffers);
+GL_APICALL void GL_APIENTRY glExtGetTexLevelParameterivQCOM (GLuint texture, GLenum face, GLint level, GLenum pname, GLint *params);
+GL_APICALL void GL_APIENTRY glExtTexObjectStateOverrideiQCOM (GLenum target, GLenum pname, GLint param);
+GL_APICALL void GL_APIENTRY glExtGetTexSubImageQCOM (GLenum target, GLint level, GLint xoffset, GLint yoffset, GLint zoffset, GLsizei width, GLsizei height, GLsizei depth, GLenum format, GLenum type, GLvoid *texels);
+GL_APICALL void GL_APIENTRY glExtGetBufferPointervQCOM (GLenum target, GLvoid **params);
+#endif
+typedef void (GL_APIENTRYP PFNGLEXTGETTEXTURESQCOMPROC) (GLuint *textures, GLint maxTextures, GLint *numTextures);
+typedef void (GL_APIENTRYP PFNGLEXTGETBUFFERSQCOMPROC) (GLuint *buffers, GLint maxBuffers, GLint *numBuffers);
+typedef void (GL_APIENTRYP PFNGLEXTGETRENDERBUFFERSQCOMPROC) (GLuint *renderbuffers, GLint maxRenderbuffers, GLint *numRenderbuffers);
+typedef void (GL_APIENTRYP PFNGLEXTGETFRAMEBUFFERSQCOMPROC) (GLuint *framebuffers, GLint maxFramebuffers, GLint *numFramebuffers);
+typedef void (GL_APIENTRYP PFNGLEXTGETTEXLEVELPARAMETERIVQCOMPROC) (GLuint texture, GLenum face, GLint level, GLenum pname, GLint *params);
+typedef void (GL_APIENTRYP PFNGLEXTTEXOBJECTSTATEOVERRIDEIQCOMPROC) (GLenum target, GLenum pname, GLint param);
+typedef void (GL_APIENTRYP PFNGLEXTGETTEXSUBIMAGEQCOMPROC) (GLenum target, GLint level, GLint xoffset, GLint yoffset, GLint zoffset, GLsizei width, GLsizei height, GLsizei depth, GLenum format, GLenum type, GLvoid *texels);
+typedef void (GL_APIENTRYP PFNGLEXTGETBUFFERPOINTERVQCOMPROC) (GLenum target, GLvoid **params);
+#endif
+
+/* GL_QCOM_extended_get2 */
+#ifndef GL_QCOM_extended_get2
+#define GL_QCOM_extended_get2 1
+#ifdef GL_GLEXT_PROTOTYPES
+GL_APICALL void GL_APIENTRY glExtGetShadersQCOM (GLuint *shaders, GLint maxShaders, GLint *numShaders);
+GL_APICALL void GL_APIENTRY glExtGetProgramsQCOM (GLuint *programs, GLint maxPrograms, GLint *numPrograms);
+GL_APICALL GLboolean GL_APIENTRY glExtIsProgramBinaryQCOM (GLuint program);
+GL_APICALL void GL_APIENTRY glExtGetProgramBinarySourceQCOM (GLuint program, GLenum shadertype, GLchar *source, GLint *length);
+#endif
+typedef void (GL_APIENTRYP PFNGLEXTGETSHADERSQCOMPROC) (GLuint *shaders, GLint maxShaders, GLint *numShaders);
+typedef void (GL_APIENTRYP PFNGLEXTGETPROGRAMSQCOMPROC) (GLuint *programs, GLint maxPrograms, GLint *numPrograms);
+typedef GLboolean (GL_APIENTRYP PFNGLEXTISPROGRAMBINARYQCOMPROC) (GLuint program);
+typedef void (GL_APIENTRYP PFNGLEXTGETPROGRAMBINARYSOURCEQCOMPROC) (GLuint program, GLenum shadertype, GLchar *source, GLint *length);
+#endif
+
+/* GL_QCOM_perfmon_global_mode */
+#ifndef GL_QCOM_perfmon_global_mode
+#define GL_QCOM_perfmon_global_mode 1
+#endif
+
+/* GL_QCOM_writeonly_rendering */
+#ifndef GL_QCOM_writeonly_rendering
+#define GL_QCOM_writeonly_rendering 1
+#endif
+
+/* GL_QCOM_tiled_rendering */
+#ifndef GL_QCOM_tiled_rendering
+#define GL_QCOM_tiled_rendering 1
+#ifdef GL_GLEXT_PROTOTYPES
+GL_APICALL void GL_APIENTRY glStartTilingQCOM (GLuint x, GLuint y, GLuint width, GLuint height, GLbitfield preserveMask);
+GL_APICALL void GL_APIENTRY glEndTilingQCOM (GLbitfield preserveMask);
+#endif
+typedef void (GL_APIENTRYP PFNGLSTARTTILINGQCOMPROC) (GLuint x, GLuint y, GLuint width, GLuint height, GLbitfield preserveMask);
+typedef void (GL_APIENTRYP PFNGLENDTILINGQCOMPROC) (GLbitfield preserveMask);
+#endif
+
+/*------------------------------------------------------------------------*
+ * VIV extension tokens
+ *------------------------------------------------------------------------*/
+
+/* GL_VIV_shader_binary */
+#ifndef GL_VIV_shader_binary
+#define GL_VIV_shader_binary 1
+#endif
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* __gl2ext_h_ */
diff --git a/src/GLES2/include/GLES2/gl2platform.h b/src/GLES2/include/GLES2/gl2platform.h
new file mode 100644
index 0000000..c9fa3c4
--- /dev/null
+++ b/src/GLES2/include/GLES2/gl2platform.h
@@ -0,0 +1,30 @@
+#ifndef __gl2platform_h_
+#define __gl2platform_h_
+
+/* $Revision: 10602 $ on $Date:: 2010-03-04 22:35:34 -0800 #$ */
+
+/*
+ * This document is licensed under the SGI Free Software B License Version
+ * 2.0. For details, see http://oss.sgi.com/projects/FreeB/ .
+ */
+
+/* Platform-specific types and definitions for OpenGL ES 2.X gl2.h
+ *
+ * Adopters may modify khrplatform.h and this file to suit their platform.
+ * You are encouraged to submit all modifications to the Khronos group so that
+ * they can be included in future versions of this file. Please submit changes
+ * by sending them to the public Khronos Bugzilla (http://khronos.org/bugzilla)
+ * by filing a bug against product "OpenGL-ES" component "Registry".
+ */
+
+#include <KHR/khrplatform.h>
+
+#ifndef GL_APICALL
+#define GL_APICALL KHRONOS_APICALL
+#endif
+
+#ifndef GL_APIENTRY
+#define GL_APIENTRY KHRONOS_APIENTRY
+#endif
+
+#endif /* __gl2platform_h_ */
diff --git a/src/GLES2/include/GLSLANG/ShaderLang.h b/src/GLES2/include/GLSLANG/ShaderLang.h
new file mode 100644
index 0000000..0d78834
--- /dev/null
+++ b/src/GLES2/include/GLSLANG/ShaderLang.h
@@ -0,0 +1,272 @@
+//
+// Copyright (c) 2002-2010 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+#ifndef _COMPILER_INTERFACE_INCLUDED_
+#define _COMPILER_INTERFACE_INCLUDED_
+
+//
+// This is the platform independent interface between an OGL driver
+// and the shading language compiler.
+//
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+// Version number for shader translation API.
+// It is incremented everytime the API changes.
+#define SH_VERSION 104
+
+//
+// The names of the following enums have been derived by replacing GL prefix
+// with SH. For example, SH_INFO_LOG_LENGTH is equivalent to GL_INFO_LOG_LENGTH.
+// The enum values are also equal to the values of their GL counterpart. This
+// is done to make it easier for applications to use the shader library.
+//
+typedef enum {
+ SH_FRAGMENT_SHADER = 0x8B30,
+ SH_VERTEX_SHADER = 0x8B31
+} ShShaderType;
+
+typedef enum {
+ SH_GLES2_SPEC = 0x8B40,
+ SH_WEBGL_SPEC = 0x8B41
+} ShShaderSpec;
+
+typedef enum {
+ SH_NONE = 0,
+ SH_INT = 0x1404,
+ SH_FLOAT = 0x1406,
+ SH_FLOAT_VEC2 = 0x8B50,
+ SH_FLOAT_VEC3 = 0x8B51,
+ SH_FLOAT_VEC4 = 0x8B52,
+ SH_INT_VEC2 = 0x8B53,
+ SH_INT_VEC3 = 0x8B54,
+ SH_INT_VEC4 = 0x8B55,
+ SH_BOOL = 0x8B56,
+ SH_BOOL_VEC2 = 0x8B57,
+ SH_BOOL_VEC3 = 0x8B58,
+ SH_BOOL_VEC4 = 0x8B59,
+ SH_FLOAT_MAT2 = 0x8B5A,
+ SH_FLOAT_MAT3 = 0x8B5B,
+ SH_FLOAT_MAT4 = 0x8B5C,
+ SH_SAMPLER_2D = 0x8B5E,
+ SH_SAMPLER_CUBE = 0x8B60
+} ShDataType;
+
+typedef enum {
+ SH_INFO_LOG_LENGTH = 0x8B84,
+ SH_OBJECT_CODE_LENGTH = 0x8B88, // GL_SHADER_SOURCE_LENGTH
+ SH_ACTIVE_UNIFORMS = 0x8B86,
+ SH_ACTIVE_UNIFORM_MAX_LENGTH = 0x8B87,
+ SH_ACTIVE_ATTRIBUTES = 0x8B89,
+ SH_ACTIVE_ATTRIBUTE_MAX_LENGTH = 0x8B8A
+} ShShaderInfo;
+
+// Compile options.
+typedef enum {
+ SH_VALIDATE = 0,
+ SH_VALIDATE_LOOP_INDEXING = 0x0001,
+ SH_INTERMEDIATE_TREE = 0x0002,
+ SH_OBJECT_CODE = 0x0004,
+ SH_ATTRIBUTES_UNIFORMS = 0x0008,
+ SH_LINE_DIRECTIVES = 0x0010,
+ SH_SOURCE_PATH = 0x0020
+} ShCompileOptions;
+
+//
+// Driver must call this first, once, before doing any other
+// compiler operations.
+// If the function succeeds, the return value is nonzero, else zero.
+//
+int ShInitialize();
+//
+// Driver should call this at shutdown.
+// If the function succeeds, the return value is nonzero, else zero.
+//
+int ShFinalize();
+
+//
+// Implementation dependent built-in resources (constants and extensions).
+// The names for these resources has been obtained by stripping gl_/GL_.
+//
+typedef struct
+{
+ // Constants.
+ int MaxVertexAttribs;
+ int MaxVertexUniformVectors;
+ int MaxVaryingVectors;
+ int MaxVertexTextureImageUnits;
+ int MaxCombinedTextureImageUnits;
+ int MaxTextureImageUnits;
+ int MaxFragmentUniformVectors;
+ int MaxDrawBuffers;
+
+ // Extensions.
+ // Set to 1 to enable the extension, else 0.
+ int OES_standard_derivatives;
+} ShBuiltInResources;
+
+//
+// Initialize built-in resources with minimum expected values.
+//
+void ShInitBuiltInResources(ShBuiltInResources* resources);
+
+//
+// ShHandle held by but opaque to the driver. It is allocated,
+// managed, and de-allocated by the compiler. It's contents
+// are defined by and used by the compiler.
+//
+// If handle creation fails, 0 will be returned.
+//
+typedef void* ShHandle;
+
+//
+// Driver calls these to create and destroy compiler objects.
+//
+// Returns the handle of constructed compiler.
+// Parameters:
+// type: Specifies the type of shader - SH_FRAGMENT_SHADER or SH_VERTEX_SHADER.
+// spec: Specifies the language spec the compiler must conform to -
+// SH_GLES2_SPEC or SH_WEBGL_SPEC.
+// resources: Specifies the built-in resources.
+ShHandle ShConstructCompiler(ShShaderType type, ShShaderSpec spec,
+ const ShBuiltInResources* resources);
+void ShDestruct(ShHandle handle);
+
+//
+// Compiles the given shader source.
+// If the function succeeds, the return value is nonzero, else zero.
+// Parameters:
+// handle: Specifies the handle of compiler to be used.
+// shaderStrings: Specifies an array of pointers to null-terminated strings
+// containing the shader source code.
+// numStrings: Specifies the number of elements in shaderStrings array.
+// compileOptions: A mask containing the following parameters:
+// SH_VALIDATE: Validates shader to ensure that it conforms to the spec
+// specified during compiler construction.
+// SH_VALIDATE_LOOP_INDEXING: Validates loop and indexing in the shader to
+// ensure that they do not exceed the minimum
+// functionality mandated in GLSL 1.0 spec,
+// Appendix A, Section 4 and 5.
+// There is no need to specify this parameter when
+// compiling for WebGL - it is implied.
+// SH_INTERMEDIATE_TREE: Writes intermediate tree to info log.
+// Can be queried by calling ShGetInfoLog().
+// SH_OBJECT_CODE: Translates intermediate tree to glsl or hlsl shader.
+// Can be queried by calling ShGetObjectCode().
+// SH_ATTRIBUTES_UNIFORMS: Extracts attributes and uniforms.
+// Can be queried by calling ShGetActiveAttrib() and
+// ShGetActiveUniform().
+//
+int ShCompile(
+ const ShHandle handle,
+ const char* const shaderStrings[],
+ const int numStrings,
+ int compileOptions
+ );
+
+// Returns a parameter from a compiled shader.
+// Parameters:
+// handle: Specifies the compiler
+// pname: Specifies the parameter to query.
+// The following parameters are defined:
+// SH_INFO_LOG_LENGTH: the number of characters in the information log
+// including the null termination character.
+// SH_OBJECT_CODE_LENGTH: the number of characters in the object code
+// including the null termination character.
+// SH_ACTIVE_ATTRIBUTES: the number of active attribute variables.
+// SH_ACTIVE_ATTRIBUTE_MAX_LENGTH: the length of the longest active attribute
+// variable name including the null
+// termination character.
+// SH_ACTIVE_UNIFORMS: the number of active uniform variables.
+// SH_ACTIVE_UNIFORM_MAX_LENGTH: the length of the longest active uniform
+// variable name including the null
+// termination character.
+// SH_MAPPED_NAME_MAX_LENGTH: the length of the mapped variable name including
+// the null termination character.
+//
+// params: Requested parameter
+void ShGetInfo(const ShHandle handle, ShShaderInfo pname, int* params);
+
+// Returns nul-terminated information log for a compiled shader.
+// Parameters:
+// handle: Specifies the compiler
+// infoLog: Specifies an array of characters that is used to return
+// the information log. It is assumed that infoLog has enough memory
+// to accomodate the information log. The size of the buffer required
+// to store the returned information log can be obtained by calling
+// ShGetInfo with SH_INFO_LOG_LENGTH.
+void ShGetInfoLog(const ShHandle handle, char* infoLog);
+
+// Returns null-terminated object code for a compiled shader.
+// Parameters:
+// handle: Specifies the compiler
+// infoLog: Specifies an array of characters that is used to return
+// the object code. It is assumed that infoLog has enough memory to
+// accomodate the object code. The size of the buffer required to
+// store the returned object code can be obtained by calling
+// ShGetInfo with SH_OBJECT_CODE_LENGTH.
+void ShGetObjectCode(const ShHandle handle, char* objCode);
+
+// Returns information about an active attribute variable.
+// Parameters:
+// handle: Specifies the compiler
+// index: Specifies the index of the attribute variable to be queried.
+// length: Returns the number of characters actually written in the string
+// indicated by name (excluding the null terminator) if a value other
+// than NULL is passed.
+// size: Returns the size of the attribute variable.
+// type: Returns the data type of the attribute variable.
+// name: Returns a null terminated string containing the name of the
+// attribute variable. It is assumed that name has enough memory to
+// accomodate the attribute variable name. The size of the buffer
+// required to store the attribute variable name can be obtained by
+// calling ShGetInfo with SH_ACTIVE_ATTRIBUTE_MAX_LENGTH.
+// mappedName: Returns a null terminated string containing the mapped name of
+// the attribute variable, It is assumed that mappedName has enough
+// memory (SH_MAPPED_NAME_MAX_LENGTH), or NULL if don't care
+// about the mapped name. If the name is not mapped, then name and
+// mappedName are the same.
+void ShGetActiveAttrib(const ShHandle handle,
+ int index,
+ int* length,
+ int* size,
+ ShDataType* type,
+ char* name,
+ char* mappedName);
+
+// Returns information about an active uniform variable.
+// Parameters:
+// handle: Specifies the compiler
+// index: Specifies the index of the uniform variable to be queried.
+// length: Returns the number of characters actually written in the string
+// indicated by name (excluding the null terminator) if a value
+// other than NULL is passed.
+// size: Returns the size of the uniform variable.
+// type: Returns the data type of the uniform variable.
+// name: Returns a null terminated string containing the name of the
+// uniform variable. It is assumed that name has enough memory to
+// accomodate the uniform variable name. The size of the buffer required
+// to store the uniform variable name can be obtained by calling
+// ShGetInfo with SH_ACTIVE_UNIFORMS_MAX_LENGTH.
+// mappedName: Returns a null terminated string containing the mapped name of
+// the uniform variable, It is assumed that mappedName has enough
+// memory (SH_MAPPED_NAME_MAX_LENGTH), or NULL if don't care
+// about the mapped name. If the name is not mapped, then name and
+// mappedName are the same.
+void ShGetActiveUniform(const ShHandle handle,
+ int index,
+ int* length,
+ int* size,
+ ShDataType* type,
+ char* name,
+ char* mappedName);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif // _COMPILER_INTERFACE_INCLUDED_
diff --git a/src/GLES2/include/KHR/khrplatform.h b/src/GLES2/include/KHR/khrplatform.h
new file mode 100644
index 0000000..8ec0d19
--- /dev/null
+++ b/src/GLES2/include/KHR/khrplatform.h
@@ -0,0 +1,269 @@
+#ifndef __khrplatform_h_
+#define __khrplatform_h_
+
+/*
+** Copyright (c) 2008-2009 The Khronos Group Inc.
+**
+** Permission is hereby granted, free of charge, to any person obtaining a
+** copy of this software and/or associated documentation files (the
+** "Materials"), to deal in the Materials without restriction, including
+** without limitation the rights to use, copy, modify, merge, publish,
+** distribute, sublicense, and/or sell copies of the Materials, and to
+** permit persons to whom the Materials are furnished to do so, subject to
+** the following conditions:
+**
+** The above copyright notice and this permission notice shall be included
+** in all copies or substantial portions of the Materials.
+**
+** THE MATERIALS ARE PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+** EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+** MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+** IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
+** CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+** TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+** MATERIALS OR THE USE OR OTHER DEALINGS IN THE MATERIALS.
+*/
+
+/* Khronos platform-specific types and definitions.
+ *
+ * $Revision: 9356 $ on $Date: 2009-10-21 02:52:25 -0700 (Wed, 21 Oct 2009) $
+ *
+ * Adopters may modify this file to suit their platform. Adopters are
+ * encouraged to submit platform specific modifications to the Khronos
+ * group so that they can be included in future versions of this file.
+ * Please submit changes by sending them to the public Khronos Bugzilla
+ * (http://khronos.org/bugzilla) by filing a bug against product
+ * "Khronos (general)" component "Registry".
+ *
+ * A predefined template which fills in some of the bug fields can be
+ * reached using http://tinyurl.com/khrplatform-h-bugreport, but you
+ * must create a Bugzilla login first.
+ *
+ *
+ * See the Implementer's Guidelines for information about where this file
+ * should be located on your system and for more details of its use:
+ * http://www.khronos.org/registry/implementers_guide.pdf
+ *
+ * This file should be included as
+ * #include <KHR/khrplatform.h>
+ * by Khronos client API header files that use its types and defines.
+ *
+ * The types in khrplatform.h should only be used to define API-specific types.
+ *
+ * Types defined in khrplatform.h:
+ * khronos_int8_t signed 8 bit
+ * khronos_uint8_t unsigned 8 bit
+ * khronos_int16_t signed 16 bit
+ * khronos_uint16_t unsigned 16 bit
+ * khronos_int32_t signed 32 bit
+ * khronos_uint32_t unsigned 32 bit
+ * khronos_int64_t signed 64 bit
+ * khronos_uint64_t unsigned 64 bit
+ * khronos_intptr_t signed same number of bits as a pointer
+ * khronos_uintptr_t unsigned same number of bits as a pointer
+ * khronos_ssize_t signed size
+ * khronos_usize_t unsigned size
+ * khronos_float_t signed 32 bit floating point
+ * khronos_time_ns_t unsigned 64 bit time in nanoseconds
+ * khronos_utime_nanoseconds_t unsigned time interval or absolute time in
+ * nanoseconds
+ * khronos_stime_nanoseconds_t signed time interval in nanoseconds
+ * khronos_boolean_enum_t enumerated boolean type. This should
+ * only be used as a base type when a client API's boolean type is
+ * an enum. Client APIs which use an integer or other type for
+ * booleans cannot use this as the base type for their boolean.
+ *
+ * Tokens defined in khrplatform.h:
+ *
+ * KHRONOS_FALSE, KHRONOS_TRUE Enumerated boolean false/true values.
+ *
+ * KHRONOS_SUPPORT_INT64 is 1 if 64 bit integers are supported; otherwise 0.
+ * KHRONOS_SUPPORT_FLOAT is 1 if floats are supported; otherwise 0.
+ *
+ * Calling convention macros defined in this file:
+ * KHRONOS_APICALL
+ * KHRONOS_APIENTRY
+ * KHRONOS_APIATTRIBUTES
+ *
+ * These may be used in function prototypes as:
+ *
+ * KHRONOS_APICALL void KHRONOS_APIENTRY funcname(
+ * int arg1,
+ * int arg2) KHRONOS_APIATTRIBUTES;
+ */
+
+/*-------------------------------------------------------------------------
+ * Definition of KHRONOS_APICALL
+ *-------------------------------------------------------------------------
+ * This precedes the return type of the function in the function prototype.
+ */
+#if defined(_WIN32) && !defined(__SCITECH_SNAP__)
+# define KHRONOS_APICALL __declspec(dllimport)
+#elif defined (__SYMBIAN32__)
+# define KHRONOS_APICALL IMPORT_C
+#else
+# define KHRONOS_APICALL
+#endif
+
+/*-------------------------------------------------------------------------
+ * Definition of KHRONOS_APIENTRY
+ *-------------------------------------------------------------------------
+ * This follows the return type of the function and precedes the function
+ * name in the function prototype.
+ */
+#if defined(_WIN32) && !defined(_WIN32_WCE) && !defined(__SCITECH_SNAP__)
+ /* Win32 but not WinCE */
+# define KHRONOS_APIENTRY __stdcall
+#else
+# define KHRONOS_APIENTRY
+#endif
+
+/*-------------------------------------------------------------------------
+ * Definition of KHRONOS_APIATTRIBUTES
+ *-------------------------------------------------------------------------
+ * This follows the closing parenthesis of the function prototype arguments.
+ */
+#if defined (__ARMCC_2__)
+#define KHRONOS_APIATTRIBUTES __softfp
+#else
+#define KHRONOS_APIATTRIBUTES
+#endif
+
+/*-------------------------------------------------------------------------
+ * basic type definitions
+ *-----------------------------------------------------------------------*/
+#if (defined(__STDC_VERSION__) && __STDC_VERSION__ >= 199901L) || defined(__GNUC__) || defined(__SCO__) || defined(__USLC__)
+
+
+/*
+ * Using <stdint.h>
+ */
+#include <stdint.h>
+typedef int32_t khronos_int32_t;
+typedef uint32_t khronos_uint32_t;
+typedef int64_t khronos_int64_t;
+typedef uint64_t khronos_uint64_t;
+#define KHRONOS_SUPPORT_INT64 1
+#define KHRONOS_SUPPORT_FLOAT 1
+
+#elif defined(__VMS ) || defined(__sgi)
+
+/*
+ * Using <inttypes.h>
+ */
+#include <inttypes.h>
+typedef int32_t khronos_int32_t;
+typedef uint32_t khronos_uint32_t;
+typedef int64_t khronos_int64_t;
+typedef uint64_t khronos_uint64_t;
+#define KHRONOS_SUPPORT_INT64 1
+#define KHRONOS_SUPPORT_FLOAT 1
+
+#elif defined(_WIN32) && !defined(__SCITECH_SNAP__)
+
+/*
+ * Win32
+ */
+typedef __int32 khronos_int32_t;
+typedef unsigned __int32 khronos_uint32_t;
+typedef __int64 khronos_int64_t;
+typedef unsigned __int64 khronos_uint64_t;
+#define KHRONOS_SUPPORT_INT64 1
+#define KHRONOS_SUPPORT_FLOAT 1
+
+#elif defined(__sun__) || defined(__digital__)
+
+/*
+ * Sun or Digital
+ */
+typedef int khronos_int32_t;
+typedef unsigned int khronos_uint32_t;
+#if defined(__arch64__) || defined(_LP64)
+typedef long int khronos_int64_t;
+typedef unsigned long int khronos_uint64_t;
+#else
+typedef long long int khronos_int64_t;
+typedef unsigned long long int khronos_uint64_t;
+#endif /* __arch64__ */
+#define KHRONOS_SUPPORT_INT64 1
+#define KHRONOS_SUPPORT_FLOAT 1
+
+#elif 0
+
+/*
+ * Hypothetical platform with no float or int64 support
+ */
+typedef int khronos_int32_t;
+typedef unsigned int khronos_uint32_t;
+#define KHRONOS_SUPPORT_INT64 0
+#define KHRONOS_SUPPORT_FLOAT 0
+
+#else
+
+/*
+ * Generic fallback
+ */
+#include <stdint.h>
+typedef int32_t khronos_int32_t;
+typedef uint32_t khronos_uint32_t;
+typedef int64_t khronos_int64_t;
+typedef uint64_t khronos_uint64_t;
+#define KHRONOS_SUPPORT_INT64 1
+#define KHRONOS_SUPPORT_FLOAT 1
+
+#endif
+
+
+/*
+ * Types that are (so far) the same on all platforms
+ */
+typedef signed char khronos_int8_t;
+typedef unsigned char khronos_uint8_t;
+typedef signed short int khronos_int16_t;
+typedef unsigned short int khronos_uint16_t;
+typedef signed long int khronos_intptr_t;
+typedef unsigned long int khronos_uintptr_t;
+typedef signed long int khronos_ssize_t;
+typedef unsigned long int khronos_usize_t;
+
+#if KHRONOS_SUPPORT_FLOAT
+/*
+ * Float type
+ */
+typedef float khronos_float_t;
+#endif
+
+#if KHRONOS_SUPPORT_INT64
+/* Time types
+ *
+ * These types can be used to represent a time interval in nanoseconds or
+ * an absolute Unadjusted System Time. Unadjusted System Time is the number
+ * of nanoseconds since some arbitrary system event (e.g. since the last
+ * time the system booted). The Unadjusted System Time is an unsigned
+ * 64 bit value that wraps back to 0 every 584 years. Time intervals
+ * may be either signed or unsigned.
+ */
+typedef khronos_uint64_t khronos_utime_nanoseconds_t;
+typedef khronos_int64_t khronos_stime_nanoseconds_t;
+#endif
+
+/*
+ * Dummy value used to pad enum types to 32 bits.
+ */
+#ifndef KHRONOS_MAX_ENUM
+#define KHRONOS_MAX_ENUM 0x7FFFFFFF
+#endif
+
+/*
+ * Enumerated boolean type
+ *
+ * Values other than zero should be considered to be true. Therefore
+ * comparisons should not be made against KHRONOS_TRUE.
+ */
+typedef enum {
+ KHRONOS_FALSE = 0,
+ KHRONOS_TRUE = 1,
+ KHRONOS_BOOLEAN_ENUM_FORCE_SIZE = KHRONOS_MAX_ENUM
+} khronos_boolean_enum_t;
+
+#endif /* __khrplatform_h_ */
diff --git a/src/GLES2/libEGL/Config.cpp b/src/GLES2/libEGL/Config.cpp
new file mode 100644
index 0000000..76bbdf0
--- /dev/null
+++ b/src/GLES2/libEGL/Config.cpp
@@ -0,0 +1,369 @@
+// SwiftShader Software Renderer
+//
+// Copyright(c) 2005-2012 TransGaming Inc.
+//
+// All rights reserved. No part of this software may be copied, distributed, transmitted,
+// transcribed, stored in a retrieval system, translated into any human or computer
+// language by any means, or disclosed to third parties without the explicit written
+// agreement of TransGaming Inc. Without such an agreement, no rights or licenses, express
+// or implied, including but not limited to any patent rights, are granted to you.
+//
+
+// Config.cpp: Implements the egl::Config class, describing the format, type
+// and size for an egl::Surface. Implements EGLConfig and related functionality.
+// [EGL 1.4] section 3.4 page 15.
+
+#include "Config.h"
+
+#include "common/debug.h"
+#include "libGLESv2/Image.hpp"
+
+#include <algorithm>
+#include <vector>
+
+using namespace std;
+
+namespace egl
+{
+Config::Config(DisplayMode displayMode, EGLint minInterval, EGLint maxInterval, sw::Format renderTargetFormat, sw::Format depthStencilFormat, EGLint multiSample)
+ : mDisplayMode(displayMode), mRenderTargetFormat(renderTargetFormat), mDepthStencilFormat(depthStencilFormat), mMultiSample(multiSample)
+{
+ set(displayMode, minInterval, maxInterval, renderTargetFormat, depthStencilFormat, multiSample);
+}
+
+void Config::set(DisplayMode displayMode, EGLint minInterval, EGLint maxInterval, sw::Format renderTargetFormat, sw::Format depthStencilFormat, EGLint multiSample)
+{
+ mBindToTextureRGB = EGL_FALSE;
+ mBindToTextureRGBA = EGL_FALSE;
+
+ switch (renderTargetFormat)
+ {
+ case sw::FORMAT_A1R5G5B5:
+ mBufferSize = 16;
+ mRedSize = 5;
+ mGreenSize = 5;
+ mBlueSize = 5;
+ mAlphaSize = 1;
+ break;
+ case sw::FORMAT_A2R10G10B10:
+ mBufferSize = 32;
+ mRedSize = 10;
+ mGreenSize = 10;
+ mBlueSize = 10;
+ mAlphaSize = 2;
+ break;
+ case sw::FORMAT_A8R8G8B8:
+ mBufferSize = 32;
+ mRedSize = 8;
+ mGreenSize = 8;
+ mBlueSize = 8;
+ mAlphaSize = 8;
+ mBindToTextureRGBA = true;
+ break;
+ case sw::FORMAT_R5G6B5:
+ mBufferSize = 16;
+ mRedSize = 5;
+ mGreenSize = 6;
+ mBlueSize = 5;
+ mAlphaSize = 0;
+ break;
+ case sw::FORMAT_X8R8G8B8:
+ mBufferSize = 32;
+ mRedSize = 8;
+ mGreenSize = 8;
+ mBlueSize = 8;
+ mAlphaSize = 0;
+ mBindToTextureRGB = true;
+ break;
+ default:
+ UNREACHABLE(); // Other formats should not be valid
+ }
+
+ mLuminanceSize = 0;
+ mAlphaMaskSize = 0;
+ mColorBufferType = EGL_RGB_BUFFER;
+ mConfigCaveat = (displayMode.format == renderTargetFormat) ? EGL_NONE : EGL_SLOW_CONFIG;
+ mConfigID = 0;
+ mConformant = EGL_OPENGL_ES2_BIT;
+
+ switch (depthStencilFormat)
+ {
+ case sw::FORMAT_NULL:
+ mDepthSize = 0;
+ mStencilSize = 0;
+ break;
+// case sw::FORMAT_D16_LOCKABLE:
+// mDepthSize = 16;
+// mStencilSize = 0;
+// break;
+ case sw::FORMAT_D32:
+ mDepthSize = 32;
+ mStencilSize = 0;
+ break;
+// case sw::FORMAT_D15S1:
+// mDepthSize = 15;
+// mStencilSize = 1;
+// break;
+ case sw::FORMAT_D24S8:
+ mDepthSize = 24;
+ mStencilSize = 8;
+ break;
+ case sw::FORMAT_D24X8:
+ mDepthSize = 24;
+ mStencilSize = 0;
+ break;
+// case sw::FORMAT_D24X4S4:
+// mDepthSize = 24;
+// mStencilSize = 4;
+// break;
+ case sw::FORMAT_D16:
+ mDepthSize = 16;
+ mStencilSize = 0;
+ break;
+// case sw::FORMAT_D32F_LOCKABLE:
+// mDepthSize = 32;
+// mStencilSize = 0;
+// break;
+// case sw::FORMAT_D24FS8:
+// mDepthSize = 24;
+// mStencilSize = 8;
+// break;
+ default:
+ UNREACHABLE();
+ }
+
+ mLevel = 0;
+ mMatchNativePixmap = EGL_NONE;
+ mMaxPBufferWidth = 4096;
+ mMaxPBufferHeight = 4096;
+ mMaxPBufferPixels = mMaxPBufferWidth * mMaxPBufferHeight;
+ mMaxSwapInterval = maxInterval;
+ mMinSwapInterval = minInterval;
+ mNativeRenderable = EGL_FALSE;
+ mNativeVisualID = 0;
+ mNativeVisualType = 0;
+ mRenderableType = EGL_OPENGL_ES2_BIT;
+ mSampleBuffers = multiSample ? 1 : 0;
+ mSamples = multiSample;
+ mSurfaceType = EGL_PBUFFER_BIT | EGL_WINDOW_BIT | EGL_SWAP_BEHAVIOR_PRESERVED_BIT;
+ mTransparentType = EGL_NONE;
+ mTransparentRedValue = 0;
+ mTransparentGreenValue = 0;
+ mTransparentBlueValue = 0;
+}
+
+EGLConfig Config::getHandle() const
+{
+ return (EGLConfig)(size_t)mConfigID;
+}
+
+SortConfig::SortConfig(const EGLint *attribList)
+ : mWantRed(false), mWantGreen(false), mWantBlue(false), mWantAlpha(false), mWantLuminance(false)
+{
+ scanForWantedComponents(attribList);
+}
+
+void SortConfig::scanForWantedComponents(const EGLint *attribList)
+{
+ // [EGL] section 3.4.1 page 24
+ // Sorting rule #3: by larger total number of color bits, not considering
+ // components that are 0 or don't-care.
+ for(const EGLint *attr = attribList; attr[0] != EGL_NONE; attr += 2)
+ {
+ if(attr[1] != 0 && attr[1] != EGL_DONT_CARE)
+ {
+ switch (attr[0])
+ {
+ case EGL_RED_SIZE: mWantRed = true; break;
+ case EGL_GREEN_SIZE: mWantGreen = true; break;
+ case EGL_BLUE_SIZE: mWantBlue = true; break;
+ case EGL_ALPHA_SIZE: mWantAlpha = true; break;
+ case EGL_LUMINANCE_SIZE: mWantLuminance = true; break;
+ }
+ }
+ }
+}
+
+EGLint SortConfig::wantedComponentsSize(const Config &config) const
+{
+ EGLint total = 0;
+
+ if(mWantRed) total += config.mRedSize;
+ if(mWantGreen) total += config.mGreenSize;
+ if(mWantBlue) total += config.mBlueSize;
+ if(mWantAlpha) total += config.mAlphaSize;
+ if(mWantLuminance) total += config.mLuminanceSize;
+
+ return total;
+}
+
+bool SortConfig::operator()(const Config *x, const Config *y) const
+{
+ return (*this)(*x, *y);
+}
+
+bool SortConfig::operator()(const Config &x, const Config &y) const
+{
+ #define SORT(attribute) \
+ if(x.attribute != y.attribute) \
+ { \
+ return x.attribute < y.attribute; \
+ }
+
+ META_ASSERT(EGL_NONE < EGL_SLOW_CONFIG && EGL_SLOW_CONFIG < EGL_NON_CONFORMANT_CONFIG);
+ SORT(mConfigCaveat);
+
+ META_ASSERT(EGL_RGB_BUFFER < EGL_LUMINANCE_BUFFER);
+ SORT(mColorBufferType);
+
+ // By larger total number of color bits, only considering those that are requested to be > 0.
+ EGLint xComponentsSize = wantedComponentsSize(x);
+ EGLint yComponentsSize = wantedComponentsSize(y);
+ if(xComponentsSize != yComponentsSize)
+ {
+ return xComponentsSize > yComponentsSize;
+ }
+
+ SORT(mBufferSize);
+ SORT(mSampleBuffers);
+ SORT(mSamples);
+ SORT(mDepthSize);
+ SORT(mStencilSize);
+ SORT(mAlphaMaskSize);
+ SORT(mNativeVisualType);
+ SORT(mConfigID);
+
+ #undef SORT
+
+ return false;
+}
+
+// We'd like to use SortConfig to also eliminate duplicate configs.
+// This works as long as we never have two configs with different per-RGB-component layouts,
+// but the same total.
+// 5551 and 565 are different because R+G+B is different.
+// 5551 and 555 are different because bufferSize is different.
+const EGLint ConfigSet::mSortAttribs[] =
+{
+ EGL_RED_SIZE, 1,
+ EGL_GREEN_SIZE, 1,
+ EGL_BLUE_SIZE, 1,
+ EGL_LUMINANCE_SIZE, 1,
+ // BUT NOT ALPHA
+ EGL_NONE
+};
+
+ConfigSet::ConfigSet()
+ : mSet(SortConfig(mSortAttribs))
+{
+}
+
+void ConfigSet::add(const DisplayMode &displayMode, EGLint minSwapInterval, EGLint maxSwapInterval, sw::Format renderTargetFormat, sw::Format depthStencilFormat, EGLint multiSample)
+{
+ Config config(displayMode, minSwapInterval, maxSwapInterval, renderTargetFormat, depthStencilFormat, multiSample);
+
+ mSet.insert(config);
+}
+
+size_t ConfigSet::size() const
+{
+ return mSet.size();
+}
+
+bool ConfigSet::getConfigs(EGLConfig *configs, const EGLint *attribList, EGLint configSize, EGLint *numConfig)
+{
+ vector<const Config*> passed;
+ passed.reserve(mSet.size());
+
+ for(Iterator config = mSet.begin(); config != mSet.end(); config++)
+ {
+ bool match = true;
+ const EGLint *attribute = attribList;
+
+ while(attribute[0] != EGL_NONE)
+ {
+ switch (attribute[0])
+ {
+ case EGL_BUFFER_SIZE: match = config->mBufferSize >= attribute[1]; break;
+ case EGL_ALPHA_SIZE: match = config->mAlphaSize >= attribute[1]; break;
+ case EGL_BLUE_SIZE: match = config->mBlueSize >= attribute[1]; break;
+ case EGL_GREEN_SIZE: match = config->mGreenSize >= attribute[1]; break;
+ case EGL_RED_SIZE: match = config->mRedSize >= attribute[1]; break;
+ case EGL_DEPTH_SIZE: match = config->mDepthSize >= attribute[1]; break;
+ case EGL_STENCIL_SIZE: match = config->mStencilSize >= attribute[1]; break;
+ case EGL_CONFIG_CAVEAT: match = config->mConfigCaveat == attribute[1]; break;
+ case EGL_CONFIG_ID: match = config->mConfigID == attribute[1]; break;
+ case EGL_LEVEL: match = config->mLevel >= attribute[1]; break;
+ case EGL_NATIVE_RENDERABLE: match = config->mNativeRenderable == attribute[1]; break;
+ case EGL_NATIVE_VISUAL_TYPE: match = config->mNativeVisualType == attribute[1]; break;
+ case EGL_SAMPLES: match = config->mSamples >= attribute[1]; break;
+ case EGL_SAMPLE_BUFFERS: match = config->mSampleBuffers >= attribute[1]; break;
+ case EGL_SURFACE_TYPE: match = (config->mSurfaceType & attribute[1]) == attribute[1]; break;
+ case EGL_TRANSPARENT_TYPE: match = config->mTransparentType == attribute[1]; break;
+ case EGL_TRANSPARENT_BLUE_VALUE: match = config->mTransparentBlueValue == attribute[1]; break;
+ case EGL_TRANSPARENT_GREEN_VALUE: match = config->mTransparentGreenValue == attribute[1]; break;
+ case EGL_TRANSPARENT_RED_VALUE: match = config->mTransparentRedValue == attribute[1]; break;
+ case EGL_BIND_TO_TEXTURE_RGB: match = config->mBindToTextureRGB == attribute[1]; break;
+ case EGL_BIND_TO_TEXTURE_RGBA: match = config->mBindToTextureRGBA == attribute[1]; break;
+ case EGL_MIN_SWAP_INTERVAL: match = config->mMinSwapInterval == attribute[1]; break;
+ case EGL_MAX_SWAP_INTERVAL: match = config->mMaxSwapInterval == attribute[1]; break;
+ case EGL_LUMINANCE_SIZE: match = config->mLuminanceSize >= attribute[1]; break;
+ case EGL_ALPHA_MASK_SIZE: match = config->mAlphaMaskSize >= attribute[1]; break;
+ case EGL_COLOR_BUFFER_TYPE: match = config->mColorBufferType == attribute[1]; break;
+ case EGL_RENDERABLE_TYPE: match = (config->mRenderableType & attribute[1]) == attribute[1]; break;
+ case EGL_MATCH_NATIVE_PIXMAP: match = false; UNIMPLEMENTED(); break;
+ case EGL_CONFORMANT: match = (config->mConformant & attribute[1]) == attribute[1]; break;
+ case EGL_MAX_PBUFFER_WIDTH: match = config->mMaxPBufferWidth >= attribute[1]; break;
+ case EGL_MAX_PBUFFER_HEIGHT: match = config->mMaxPBufferHeight >= attribute[1]; break;
+ case EGL_MAX_PBUFFER_PIXELS: match = config->mMaxPBufferPixels >= attribute[1]; break;
+ default:
+ return false;
+ }
+
+ if(!match)
+ {
+ break;
+ }
+
+ attribute += 2;
+ }
+
+ if(match)
+ {
+ passed.push_back(&*config);
+ }
+ }
+
+ if(configs)
+ {
+ sort(passed.begin(), passed.end(), SortConfig(attribList));
+
+ EGLint index;
+ for(index = 0; index < configSize && index < static_cast<EGLint>(passed.size()); index++)
+ {
+ configs[index] = passed[index]->getHandle();
+ }
+
+ *numConfig = index;
+ }
+ else
+ {
+ *numConfig = passed.size();
+ }
+
+ return true;
+}
+
+const egl::Config *ConfigSet::get(EGLConfig configHandle)
+{
+ for(Iterator config = mSet.begin(); config != mSet.end(); config++)
+ {
+ if(config->getHandle() == configHandle)
+ {
+ return &(*config);
+ }
+ }
+
+ return NULL;
+}
+}
diff --git a/src/GLES2/libEGL/Config.h b/src/GLES2/libEGL/Config.h
new file mode 100644
index 0000000..9af441f
--- /dev/null
+++ b/src/GLES2/libEGL/Config.h
@@ -0,0 +1,126 @@
+// SwiftShader Software Renderer
+//
+// Copyright(c) 2005-2012 TransGaming Inc.
+//
+// All rights reserved. No part of this software may be copied, distributed, transmitted,
+// transcribed, stored in a retrieval system, translated into any human or computer
+// language by any means, or disclosed to third parties without the explicit written
+// agreement of TransGaming Inc. Without such an agreement, no rights or licenses, express
+// or implied, including but not limited to any patent rights, are granted to you.
+//
+
+// Config.h: Defines the egl::Config class, describing the format, type
+// and size for an egl::Surface. Implements EGLConfig and related functionality.
+// [EGL 1.4] section 3.4 page 15.
+
+#ifndef INCLUDE_CONFIG_H_
+#define INCLUDE_CONFIG_H_
+
+#include "Renderer/Surface.hpp"
+
+#define EGLAPI
+#include <EGL/egl.h>
+
+#include <set>
+
+namespace egl
+{
+class Display;
+
+struct DisplayMode
+{
+ unsigned int width;
+ unsigned int height;
+ sw::Format format;
+};
+
+class Config
+{
+ public:
+ Config(DisplayMode displayMode, EGLint minSwapInterval, EGLint maxSwapInterval, sw::Format renderTargetFormat, sw::Format depthStencilFormat, EGLint multiSample);
+
+ void set(DisplayMode displayMode, EGLint minSwapInterval, EGLint maxSwapInterval, sw::Format renderTargetFormat, sw::Format depthStencilFormat, EGLint multiSample);
+ EGLConfig getHandle() const;
+
+ const DisplayMode mDisplayMode;
+ const sw::Format mRenderTargetFormat;
+ const sw::Format mDepthStencilFormat;
+ const EGLint mMultiSample;
+
+ EGLint mBufferSize; // Depth of the color buffer
+ EGLint mRedSize; // Bits of Red in the color buffer
+ EGLint mGreenSize; // Bits of Green in the color buffer
+ EGLint mBlueSize; // Bits of Blue in the color buffer
+ EGLint mLuminanceSize; // Bits of Luminance in the color buffer
+ EGLint mAlphaSize; // Bits of Alpha in the color buffer
+ EGLint mAlphaMaskSize; // Bits of Alpha Mask in the mask buffer
+ EGLBoolean mBindToTextureRGB; // True if bindable to RGB textures.
+ EGLBoolean mBindToTextureRGBA; // True if bindable to RGBA textures.
+ EGLenum mColorBufferType; // Color buffer type
+ EGLenum mConfigCaveat; // Any caveats for the configuration
+ EGLint mConfigID; // Unique EGLConfig identifier
+ EGLint mConformant; // Whether contexts created with this config are conformant
+ EGLint mDepthSize; // Bits of Z in the depth buffer
+ EGLint mLevel; // Frame buffer level
+ EGLBoolean mMatchNativePixmap; // Match the native pixmap format
+ EGLint mMaxPBufferWidth; // Maximum width of pbuffer
+ EGLint mMaxPBufferHeight; // Maximum height of pbuffer
+ EGLint mMaxPBufferPixels; // Maximum size of pbuffer
+ EGLint mMaxSwapInterval; // Maximum swap interval
+ EGLint mMinSwapInterval; // Minimum swap interval
+ EGLBoolean mNativeRenderable; // EGL_TRUE if native rendering APIs can render to surface
+ EGLint mNativeVisualID; // Handle of corresponding native visual
+ EGLint mNativeVisualType; // Native visual type of the associated visual
+ EGLint mRenderableType; // Which client rendering APIs are supported.
+ EGLint mSampleBuffers; // Number of multisample buffers
+ EGLint mSamples; // Number of samples per pixel
+ EGLint mStencilSize; // Bits of Stencil in the stencil buffer
+ EGLint mSurfaceType; // Which types of EGL surfaces are supported.
+ EGLenum mTransparentType; // Type of transparency supported
+ EGLint mTransparentRedValue; // Transparent red value
+ EGLint mTransparentGreenValue; // Transparent green value
+ EGLint mTransparentBlueValue; // Transparent blue value
+};
+
+// Function object used by STL sorting routines for ordering Configs according to [EGL] section 3.4.1 page 24.
+class SortConfig
+{
+ public:
+ explicit SortConfig(const EGLint *attribList);
+
+ bool operator()(const Config *x, const Config *y) const;
+ bool operator()(const Config &x, const Config &y) const;
+
+ private:
+ void scanForWantedComponents(const EGLint *attribList);
+ EGLint wantedComponentsSize(const Config &config) const;
+
+ bool mWantRed;
+ bool mWantGreen;
+ bool mWantBlue;
+ bool mWantAlpha;
+ bool mWantLuminance;
+};
+
+class ConfigSet
+{
+ friend class Display;
+
+ public:
+ ConfigSet();
+
+ void add(const DisplayMode &displayMode, EGLint minSwapInterval, EGLint maxSwapInterval, sw::Format renderTargetFormat, sw::Format depthStencilFormat, EGLint multiSample);
+ size_t size() const;
+ bool getConfigs(EGLConfig *configs, const EGLint *attribList, EGLint configSize, EGLint *numConfig);
+ const egl::Config *get(EGLConfig configHandle);
+
+ private:
+ typedef std::set<Config, SortConfig> Set;
+ typedef Set::iterator Iterator;
+ Set mSet;
+
+ static const EGLint mSortAttribs[];
+};
+}
+
+#endif // INCLUDE_CONFIG_H_
diff --git a/src/GLES2/libEGL/Display.cpp b/src/GLES2/libEGL/Display.cpp
new file mode 100644
index 0000000..623ba0c
--- /dev/null
+++ b/src/GLES2/libEGL/Display.cpp
@@ -0,0 +1,566 @@
+// SwiftShader Software Renderer
+//
+// Copyright(c) 2005-2012 TransGaming Inc.
+//
+// All rights reserved. No part of this software may be copied, distributed, transmitted,
+// transcribed, stored in a retrieval system, translated into any human or computer
+// language by any means, or disclosed to third parties without the explicit written
+// agreement of TransGaming Inc. Without such an agreement, no rights or licenses, express
+// or implied, including but not limited to any patent rights, are granted to you.
+//
+
+// Display.cpp: Implements the egl::Display class, representing the abstract
+// display on which graphics are drawn. Implements EGLDisplay.
+// [EGL 1.4] section 2.1.2 page 3.
+
+#include "Display.h"
+
+#include "main.h"
+#include "libGLESv2/mathutil.h"
+#include "libGLESv2/Device.hpp"
+#include "common/debug.h"
+
+#include <algorithm>
+#include <vector>
+#include <map>
+
+namespace egl
+{
+typedef std::map<EGLNativeDisplayType, Display*> DisplayMap;
+DisplayMap displays;
+
+egl::Display *Display::getDisplay(EGLNativeDisplayType displayId)
+{
+ if(displays.find(displayId) != displays.end())
+ {
+ return displays[displayId];
+ }
+
+ egl::Display *display = NULL;
+
+ if(displayId == EGL_DEFAULT_DISPLAY)
+ {
+ display = new egl::Display(displayId);
+ }
+ else
+ {
+ // FIXME: Check if displayId is a valid display device context
+
+ display = new egl::Display(displayId);
+ }
+
+ displays[displayId] = display;
+ return display;
+}
+
+Display::Display(EGLNativeDisplayType displayId) : displayId(displayId)
+{
+ mDevice = NULL;
+
+ mMinSwapInterval = 1;
+ mMaxSwapInterval = 1;
+}
+
+Display::~Display()
+{
+ terminate();
+
+ displays.erase(displayId);
+}
+
+static void cpuid(int registers[4], int info)
+{
+ #if defined(_WIN32)
+ __cpuid(registers, info);
+ #else
+ __asm volatile("cpuid": "=a" (registers[0]), "=b" (registers[1]), "=c" (registers[2]), "=d" (registers[3]): "a" (info));
+ #endif
+}
+
+static bool detectSSE()
+{
+ #if defined(__APPLE__)
+ int SSE = false;
+ size_t length = sizeof(SSE);
+ sysctlbyname("hw.optional.sse", &SSE, &length, 0, 0);
+ return SSE;
+ #else
+ int registers[4];
+ cpuid(registers, 1);
+ return (registers[3] & 0x02000000) != 0;
+ #endif
+}
+
+bool Display::initialize()
+{
+ if(isInitialized())
+ {
+ return true;
+ }
+
+ if(!detectSSE())
+ {
+ return false;
+ }
+
+ mMinSwapInterval = 0;
+ mMaxSwapInterval = 4;
+
+ const sw::Format renderTargetFormats[] =
+ {
+ sw::FORMAT_A1R5G5B5,
+ // sw::FORMAT_A2R10G10B10, // The color_ramp conformance test uses ReadPixels with UNSIGNED_BYTE causing it to think that rendering skipped a colour value.
+ sw::FORMAT_A8R8G8B8,
+ sw::FORMAT_R5G6B5,
+ // sw::FORMAT_X1R5G5B5, // Has no compatible OpenGL ES renderbuffer format
+ sw::FORMAT_X8R8G8B8
+ };
+
+ const sw::Format depthStencilFormats[] =
+ {
+ sw::FORMAT_NULL,
+ // sw::FORMAT_D16_LOCKABLE,
+ sw::FORMAT_D32,
+ // sw::FORMAT_D15S1,
+ sw::FORMAT_D24S8,
+ sw::FORMAT_D24X8,
+ // sw::FORMAT_D24X4S4,
+ sw::FORMAT_D16,
+ // sw::FORMAT_D32F_LOCKABLE,
+ // sw::FORMAT_D24FS8
+ };
+
+ DisplayMode currentDisplayMode = getDisplayMode();
+ ConfigSet configSet;
+
+ for(int formatIndex = 0; formatIndex < sizeof(renderTargetFormats) / sizeof(sw::Format); formatIndex++)
+ {
+ sw::Format renderTargetFormat = renderTargetFormats[formatIndex];
+
+ for(int depthStencilIndex = 0; depthStencilIndex < sizeof(depthStencilFormats) / sizeof(sw::Format); depthStencilIndex++)
+ {
+ sw::Format depthStencilFormat = depthStencilFormats[depthStencilIndex];
+
+ // FIXME: enumerate multi-sampling
+
+ configSet.add(currentDisplayMode, mMinSwapInterval, mMaxSwapInterval, renderTargetFormat, depthStencilFormat, 0);
+ }
+ }
+
+ // Give the sorted configs a unique ID and store them internally
+ EGLint index = 1;
+ for(ConfigSet::Iterator config = configSet.mSet.begin(); config != configSet.mSet.end(); config++)
+ {
+ Config configuration = *config;
+ configuration.mConfigID = index;
+ index++;
+
+ mConfigSet.mSet.insert(configuration);
+ }
+
+ if(!isInitialized())
+ {
+ terminate();
+
+ return false;
+ }
+
+ initExtensionString();
+
+ return true;
+}
+
+void Display::terminate()
+{
+ while(!mSurfaceSet.empty())
+ {
+ destroySurface(*mSurfaceSet.begin());
+ }
+
+ while(!mContextSet.empty())
+ {
+ destroyContext(*mContextSet.begin());
+ }
+
+ delete mDevice;
+ mDevice = NULL;
+}
+
+bool Display::getConfigs(EGLConfig *configs, const EGLint *attribList, EGLint configSize, EGLint *numConfig)
+{
+ return mConfigSet.getConfigs(configs, attribList, configSize, numConfig);
+}
+
+bool Display::getConfigAttrib(EGLConfig config, EGLint attribute, EGLint *value)
+{
+ const egl::Config *configuration = mConfigSet.get(config);
+
+ switch (attribute)
+ {
+ case EGL_BUFFER_SIZE: *value = configuration->mBufferSize; break;
+ case EGL_ALPHA_SIZE: *value = configuration->mAlphaSize; break;
+ case EGL_BLUE_SIZE: *value = configuration->mBlueSize; break;
+ case EGL_GREEN_SIZE: *value = configuration->mGreenSize; break;
+ case EGL_RED_SIZE: *value = configuration->mRedSize; break;
+ case EGL_DEPTH_SIZE: *value = configuration->mDepthSize; break;
+ case EGL_STENCIL_SIZE: *value = configuration->mStencilSize; break;
+ case EGL_CONFIG_CAVEAT: *value = configuration->mConfigCaveat; break;
+ case EGL_CONFIG_ID: *value = configuration->mConfigID; break;
+ case EGL_LEVEL: *value = configuration->mLevel; break;
+ case EGL_NATIVE_RENDERABLE: *value = configuration->mNativeRenderable; break;
+ case EGL_NATIVE_VISUAL_TYPE: *value = configuration->mNativeVisualType; break;
+ case EGL_SAMPLES: *value = configuration->mSamples; break;
+ case EGL_SAMPLE_BUFFERS: *value = configuration->mSampleBuffers; break;
+ case EGL_SURFACE_TYPE: *value = configuration->mSurfaceType; break;
+ case EGL_TRANSPARENT_TYPE: *value = configuration->mTransparentType; break;
+ case EGL_TRANSPARENT_BLUE_VALUE: *value = configuration->mTransparentBlueValue; break;
+ case EGL_TRANSPARENT_GREEN_VALUE: *value = configuration->mTransparentGreenValue; break;
+ case EGL_TRANSPARENT_RED_VALUE: *value = configuration->mTransparentRedValue; break;
+ case EGL_BIND_TO_TEXTURE_RGB: *value = configuration->mBindToTextureRGB; break;
+ case EGL_BIND_TO_TEXTURE_RGBA: *value = configuration->mBindToTextureRGBA; break;
+ case EGL_MIN_SWAP_INTERVAL: *value = configuration->mMinSwapInterval; break;
+ case EGL_MAX_SWAP_INTERVAL: *value = configuration->mMaxSwapInterval; break;
+ case EGL_LUMINANCE_SIZE: *value = configuration->mLuminanceSize; break;
+ case EGL_ALPHA_MASK_SIZE: *value = configuration->mAlphaMaskSize; break;
+ case EGL_COLOR_BUFFER_TYPE: *value = configuration->mColorBufferType; break;
+ case EGL_RENDERABLE_TYPE: *value = configuration->mRenderableType; break;
+ case EGL_MATCH_NATIVE_PIXMAP: *value = false; UNIMPLEMENTED(); break;
+ case EGL_CONFORMANT: *value = configuration->mConformant; break;
+ case EGL_MAX_PBUFFER_WIDTH: *value = configuration->mMaxPBufferWidth; break;
+ case EGL_MAX_PBUFFER_HEIGHT: *value = configuration->mMaxPBufferHeight; break;
+ case EGL_MAX_PBUFFER_PIXELS: *value = configuration->mMaxPBufferPixels; break;
+ default:
+ return false;
+ }
+
+ return true;
+}
+
+bool Display::createDevice()
+{
+ mDevice = gl::createDevice();
+
+ if(!mDevice)
+ {
+ return error(EGL_BAD_ALLOC, false);
+ }
+
+ // Permanent non-default states
+ mDevice->setPointSpriteEnable(true);
+
+ return true;
+}
+
+EGLSurface Display::createWindowSurface(EGLNativeWindowType window, EGLConfig config, const EGLint *attribList)
+{
+ const Config *configuration = mConfigSet.get(config);
+
+ if(attribList)
+ {
+ while(*attribList != EGL_NONE)
+ {
+ switch (attribList[0])
+ {
+ case EGL_RENDER_BUFFER:
+ switch (attribList[1])
+ {
+ case EGL_BACK_BUFFER:
+ break;
+ case EGL_SINGLE_BUFFER:
+ return error(EGL_BAD_MATCH, EGL_NO_SURFACE); // Rendering directly to front buffer not supported
+ default:
+ return error(EGL_BAD_ATTRIBUTE, EGL_NO_SURFACE);
+ }
+ break;
+ case EGL_VG_COLORSPACE:
+ return error(EGL_BAD_MATCH, EGL_NO_SURFACE);
+ case EGL_VG_ALPHA_FORMAT:
+ return error(EGL_BAD_MATCH, EGL_NO_SURFACE);
+ default:
+ return error(EGL_BAD_ATTRIBUTE, EGL_NO_SURFACE);
+ }
+
+ attribList += 2;
+ }
+ }
+
+ if(hasExistingWindowSurface(window))
+ {
+ return error(EGL_BAD_ALLOC, EGL_NO_SURFACE);
+ }
+
+ Surface *surface = new Surface(this, configuration, window);
+
+ if(!surface->initialize())
+ {
+ delete surface;
+ return EGL_NO_SURFACE;
+ }
+
+ mSurfaceSet.insert(surface);
+
+ return success(surface);
+}
+
+EGLSurface Display::createOffscreenSurface(EGLConfig config, const EGLint *attribList)
+{
+ EGLint width = 0, height = 0;
+ EGLenum textureFormat = EGL_NO_TEXTURE;
+ EGLenum textureTarget = EGL_NO_TEXTURE;
+ const Config *configuration = mConfigSet.get(config);
+
+ if(attribList)
+ {
+ while(*attribList != EGL_NONE)
+ {
+ switch (attribList[0])
+ {
+ case EGL_WIDTH:
+ width = attribList[1];
+ break;
+ case EGL_HEIGHT:
+ height = attribList[1];
+ break;
+ case EGL_LARGEST_PBUFFER:
+ if(attribList[1] != EGL_FALSE)
+ UNIMPLEMENTED(); // FIXME
+ break;
+ case EGL_TEXTURE_FORMAT:
+ switch (attribList[1])
+ {
+ case EGL_NO_TEXTURE:
+ case EGL_TEXTURE_RGB:
+ case EGL_TEXTURE_RGBA:
+ textureFormat = attribList[1];
+ break;
+ default:
+ return error(EGL_BAD_ATTRIBUTE, EGL_NO_SURFACE);
+ }
+ break;
+ case EGL_TEXTURE_TARGET:
+ switch (attribList[1])
+ {
+ case EGL_NO_TEXTURE:
+ case EGL_TEXTURE_2D:
+ textureTarget = attribList[1];
+ break;
+ default:
+ return error(EGL_BAD_ATTRIBUTE, EGL_NO_SURFACE);
+ }
+ break;
+ case EGL_MIPMAP_TEXTURE:
+ if(attribList[1] != EGL_FALSE)
+ return error(EGL_BAD_ATTRIBUTE, EGL_NO_SURFACE);
+ break;
+ case EGL_VG_COLORSPACE:
+ return error(EGL_BAD_MATCH, EGL_NO_SURFACE);
+ case EGL_VG_ALPHA_FORMAT:
+ return error(EGL_BAD_MATCH, EGL_NO_SURFACE);
+ default:
+ return error(EGL_BAD_ATTRIBUTE, EGL_NO_SURFACE);
+ }
+
+ attribList += 2;
+ }
+ }
+
+ if(width < 0 || height < 0)
+ {
+ return error(EGL_BAD_PARAMETER, EGL_NO_SURFACE);
+ }
+
+ if(width == 0 || height == 0)
+ {
+ return error(EGL_BAD_ATTRIBUTE, EGL_NO_SURFACE);
+ }
+
+ if((textureFormat != EGL_NO_TEXTURE && textureTarget == EGL_NO_TEXTURE) ||
+ (textureFormat == EGL_NO_TEXTURE && textureTarget != EGL_NO_TEXTURE))
+ {
+ return error(EGL_BAD_MATCH, EGL_NO_SURFACE);
+ }
+
+ if(!(configuration->mSurfaceType & EGL_PBUFFER_BIT))
+ {
+ return error(EGL_BAD_MATCH, EGL_NO_SURFACE);
+ }
+
+ if((textureFormat == EGL_TEXTURE_RGB && configuration->mBindToTextureRGB != EGL_TRUE) ||
+ (textureFormat == EGL_TEXTURE_RGBA && configuration->mBindToTextureRGBA != EGL_TRUE))
+ {
+ return error(EGL_BAD_ATTRIBUTE, EGL_NO_SURFACE);
+ }
+
+ Surface *surface = new Surface(this, configuration, width, height, textureFormat, textureTarget);
+
+ if(!surface->initialize())
+ {
+ delete surface;
+ return EGL_NO_SURFACE;
+ }
+
+ mSurfaceSet.insert(surface);
+
+ return success(surface);
+}
+
+EGLContext Display::createContext(EGLConfig configHandle, const gl::Context *shareContext)
+{
+ if(!mDevice)
+ {
+ if(!createDevice())
+ {
+ return NULL;
+ }
+ }
+
+ const egl::Config *config = mConfigSet.get(configHandle);
+
+ gl::Context *context = gl::createContext(config, shareContext);
+ mContextSet.insert(context);
+
+ return context;
+}
+
+void Display::destroySurface(egl::Surface *surface)
+{
+ delete surface;
+ mSurfaceSet.erase(surface);
+}
+
+void Display::destroyContext(gl::Context *context)
+{
+ gl::destroyContext(context);
+ mContextSet.erase(context);
+}
+
+bool Display::isInitialized() const
+{
+ return mConfigSet.size() > 0;
+}
+
+bool Display::isValidConfig(EGLConfig config)
+{
+ return mConfigSet.get(config) != NULL;
+}
+
+bool Display::isValidContext(gl::Context *context)
+{
+ return mContextSet.find(context) != mContextSet.end();
+}
+
+bool Display::isValidSurface(egl::Surface *surface)
+{
+ return mSurfaceSet.find(surface) != mSurfaceSet.end();
+}
+
+bool Display::isValidWindow(EGLNativeWindowType window)
+{
+ #if defined(_WIN32)
+ return IsWindow(window) == TRUE;
+ #else
+ XWindowAttributes windowAttributes;
+ Status status = XGetWindowAttributes(displayId, window, &windowAttributes);
+
+ return status == True;
+ #endif
+}
+
+bool Display::hasExistingWindowSurface(EGLNativeWindowType window)
+{
+ for(SurfaceSet::iterator surface = mSurfaceSet.begin(); surface != mSurfaceSet.end(); surface++)
+ {
+ if((*surface)->getWindowHandle() == window)
+ {
+ return true;
+ }
+ }
+
+ return false;
+}
+
+EGLint Display::getMinSwapInterval()
+{
+ return mMinSwapInterval;
+}
+
+EGLint Display::getMaxSwapInterval()
+{
+ return mMaxSwapInterval;
+}
+
+gl::Device *Display::getDevice()
+{
+ if(!mDevice)
+ {
+ if(!createDevice())
+ {
+ return NULL;
+ }
+ }
+
+ return mDevice;
+}
+
+void Display::initExtensionString()
+{
+ mExtensionString += "EGL_ANGLE_query_surface_pointer ";
+
+ std::string::size_type end = mExtensionString.find_last_not_of(' ');
+ if(end != std::string::npos)
+ {
+ mExtensionString.resize(end + 1);
+ }
+}
+
+const char *Display::getExtensionString() const
+{
+ return mExtensionString.c_str();
+}
+
+EGLNativeDisplayType Display::getNativeDisplay() const
+{
+ return displayId;
+}
+
+DisplayMode Display::getDisplayMode() const
+{
+ DisplayMode displayMode = {0};
+
+ #if defined(_WIN32)
+ HDC deviceContext = GetDC(0);
+
+ displayMode.width = ::GetDeviceCaps(deviceContext, HORZRES);
+ displayMode.height = ::GetDeviceCaps(deviceContext, VERTRES);
+ unsigned int bpp = ::GetDeviceCaps(deviceContext, BITSPIXEL);
+
+ switch(bpp)
+ {
+ case 32: displayMode.format = sw::FORMAT_X8R8G8B8; break;
+ case 24: displayMode.format = sw::FORMAT_R8G8B8; break;
+ case 16: displayMode.format = sw::FORMAT_R5G6B5; break;
+ default:
+ ASSERT(false); // Unexpected display mode color depth
+ }
+
+ ReleaseDC(0, deviceContext);
+ #else
+ Screen *screen = XDefaultScreenOfDisplay(displayId);
+ displayMode.width = XWidthOfScreen(screen);
+ displayMode.height = XHeightOfScreen(screen);
+ unsigned int bpp = XPlanesOfScreen(screen);
+
+ switch(bpp)
+ {
+ case 32: displayMode.format = sw::FORMAT_X8R8G8B8; break;
+ case 24: displayMode.format = sw::FORMAT_R8G8B8; break;
+ case 16: displayMode.format = sw::FORMAT_R5G6B5; break;
+ default:
+ ASSERT(false); // Unexpected display mode color depth
+ }
+ #endif
+
+ return displayMode;
+}
+
+}
diff --git a/src/GLES2/libEGL/Display.h b/src/GLES2/libEGL/Display.h
new file mode 100644
index 0000000..094fe7f
--- /dev/null
+++ b/src/GLES2/libEGL/Display.h
@@ -0,0 +1,89 @@
+// SwiftShader Software Renderer
+//
+// Copyright(c) 2005-2012 TransGaming Inc.
+//
+// All rights reserved. No part of this software may be copied, distributed, transmitted,
+// transcribed, stored in a retrieval system, translated into any human or computer
+// language by any means, or disclosed to third parties without the explicit written
+// agreement of TransGaming Inc. Without such an agreement, no rights or licenses, express
+// or implied, including but not limited to any patent rights, are granted to you.
+//
+
+// Display.h: Defines the egl::Display class, representing the abstract
+// display on which graphics are drawn. Implements EGLDisplay.
+// [EGL 1.4] section 2.1.2 page 3.
+
+#ifndef INCLUDE_DISPLAY_H_
+#define INCLUDE_DISPLAY_H_
+
+#include "Config.h"
+#include "Surface.h"
+#include "libGLESv2/Context.h"
+#include "libGLESv2/Device.hpp"
+
+#include <set>
+
+namespace egl
+{
+ class Display
+ {
+ public:
+ ~Display();
+
+ static egl::Display *getDisplay(EGLNativeDisplayType displayId);
+
+ bool initialize();
+ void terminate();
+
+ bool getConfigs(EGLConfig *configs, const EGLint *attribList, EGLint configSize, EGLint *numConfig);
+ bool getConfigAttrib(EGLConfig config, EGLint attribute, EGLint *value);
+
+ EGLSurface createWindowSurface(EGLNativeWindowType window, EGLConfig config, const EGLint *attribList);
+ EGLSurface createOffscreenSurface(EGLConfig config, const EGLint *attribList);
+ EGLContext createContext(EGLConfig configHandle, const gl::Context *shareContext);
+
+ void destroySurface(egl::Surface *surface);
+ void destroyContext(gl::Context *context);
+
+ bool isInitialized() const;
+ bool isValidConfig(EGLConfig config);
+ bool isValidContext(gl::Context *context);
+ bool isValidSurface(egl::Surface *surface);
+ bool isValidWindow(EGLNativeWindowType window);
+ bool hasExistingWindowSurface(EGLNativeWindowType window);
+
+ EGLint getMinSwapInterval();
+ EGLint getMaxSwapInterval();
+
+ virtual gl::Device *getDevice();
+
+ EGLNativeDisplayType getNativeDisplay() const;
+ const char *getExtensionString() const;
+
+ private:
+ Display(EGLNativeDisplayType displayId);
+
+ DisplayMode getDisplayMode() const;
+
+ const EGLNativeDisplayType displayId;
+ gl::Device *mDevice;
+
+ EGLint mMaxSwapInterval;
+ EGLint mMinSwapInterval;
+
+ typedef std::set<Surface*> SurfaceSet;
+ SurfaceSet mSurfaceSet;
+
+ ConfigSet mConfigSet;
+
+ typedef std::set<gl::Context*> ContextSet;
+ ContextSet mContextSet;
+
+ bool createDevice();
+
+ void initExtensionString();
+ std::string mExtensionString;
+ };
+}
+
+#endif // INCLUDE_DISPLAY_H_
diff --git a/src/GLES2/libEGL/Surface.cpp b/src/GLES2/libEGL/Surface.cpp
new file mode 100644
index 0000000..dc2abb8
--- /dev/null
+++ b/src/GLES2/libEGL/Surface.cpp
@@ -0,0 +1,419 @@
+// SwiftShader Software Renderer
+//
+// Copyright(c) 2005-2012 TransGaming Inc.
+//
+// All rights reserved. No part of this software may be copied, distributed, transmitted,
+// transcribed, stored in a retrieval system, translated into any human or computer
+// language by any means, or disclosed to third parties without the explicit written
+// agreement of TransGaming Inc. Without such an agreement, no rights or licenses, express
+// or implied, including but not limited to any patent rights, are granted to you.
+//
+
+// Surface.cpp: Implements the egl::Surface class, representing a drawing surface
+// such as the client area of a window, including any back buffers.
+// Implements EGLSurface and related functionality. [EGL 1.4] section 2.2 page 3.
+
+#include "Surface.h"
+
+#include "main.h"
+#include "Display.h"
+#include "libGLESv2/Texture.h"
+#include "libGLESv2/Device.hpp"
+#include "common/debug.h"
+#include "Main/FrameBuffer.hpp"
+
+#if defined(_WIN32)
+#include <dwmapi.h>
+#include <tchar.h>
+#endif
+
+namespace egl
+{
+
+Surface::Surface(Display *display, const Config *config, EGLNativeWindowType window)
+ : mDisplay(display), mConfig(config), mWindow(window)
+{
+ frameBuffer = 0;
+ backBuffer = 0;
+
+ mDepthStencil = NULL;
+ mTexture = NULL;
+ mTextureFormat = EGL_NO_TEXTURE;
+ mTextureTarget = EGL_NO_TEXTURE;
+
+ mPixelAspectRatio = (EGLint)(1.0 * EGL_DISPLAY_SCALING); // FIXME: Determine actual pixel aspect ratio
+ mRenderBuffer = EGL_BACK_BUFFER;
+ mSwapBehavior = EGL_BUFFER_PRESERVED;
+ mSwapInterval = -1;
+ setSwapInterval(1);
+
+ #if defined(_WIN32)
+ subclassWindow();
+ #endif
+}
+
+Surface::Surface(Display *display, const Config *config, EGLint width, EGLint height, EGLenum textureFormat, EGLenum textureType)
+ : mDisplay(display), mWindow(NULL), mConfig(config), mWidth(width), mHeight(height)
+{
+ frameBuffer = 0;
+ backBuffer = 0;
+
+ mDepthStencil = NULL;
+ mWindowSubclassed = false;
+ mTexture = NULL;
+ mTextureFormat = textureFormat;
+ mTextureTarget = textureType;
+
+ mPixelAspectRatio = (EGLint)(1.0 * EGL_DISPLAY_SCALING); // FIXME: Determine actual pixel aspect ratio
+ mRenderBuffer = EGL_BACK_BUFFER;
+ mSwapBehavior = EGL_BUFFER_PRESERVED;
+ mSwapInterval = -1;
+ setSwapInterval(1);
+}
+
+Surface::~Surface()
+{
+ #if defined(_WIN32)
+ unsubclassWindow();
+ #endif
+
+ release();
+}
+
+bool Surface::initialize()
+{
+ ASSERT(!frameBuffer && !backBuffer && !mDepthStencil);
+
+ if(!reset())
+ {
+ return false;
+ }
+
+ #if defined(_WIN32)
+ // Modify present parameters for this window, if we are composited,
+ // to minimize the amount of queuing done by DWM between our calls to
+ // present and the actual screen.
+ if(mWindow && LOBYTE(GetVersion()) >= 6)
+ {
+ BOOL isComposited;
+ HRESULT result = DwmIsCompositionEnabled(&isComposited);
+
+ if(SUCCEEDED(result) && isComposited)
+ {
+ DWM_PRESENT_PARAMETERS presentParams = {0};
+ presentParams.cbSize = sizeof(DWM_PRESENT_PARAMETERS);
+ presentParams.cBuffer = 2;
+
+ result = DwmSetPresentParameters(mWindow, &presentParams);
+
+ if(FAILED(result))
+ {
+ ERR("Unable to set present parameters: %081X", result);
+ }
+ }
+ }
+ #endif
+
+ return true;
+}
+
+void Surface::release()
+{
+ if(mDepthStencil)
+ {
+ mDepthStencil->release();
+ mDepthStencil = NULL;
+ }
+
+ if(mTexture)
+ {
+ mTexture->releaseTexImage();
+ mTexture = NULL;
+ }
+
+ if(backBuffer)
+ {
+ backBuffer->release();
+ backBuffer = 0;
+ }
+
+ delete frameBuffer;
+ frameBuffer = 0;
+}
+
+bool Surface::reset()
+{
+ if(!mWindow)
+ {
+ return reset(mWidth, mHeight);
+ }
+
+ // FIXME: Wrap into an abstract Window class
+ #if defined(_WIN32)
+ RECT windowRect;
+ GetClientRect(mWindow, &windowRect);
+
+ return reset(windowRect.right - windowRect.left, windowRect.bottom - windowRect.top);
+ #else
+ XWindowAttributes windowAttributes;
+ XGetWindowAttributes(mDisplay->getNativeDisplay(), mWindow, &windowAttributes);
+
+ return reset(windowAttributes.width, windowAttributes.height);
+ #endif
+}
+
+bool Surface::reset(int backBufferWidth, int backBufferHeight)
+{
+ gl::Device *device = mDisplay->getDevice();
+
+ if(device == NULL)
+ {
+ return false;
+ }
+
+ release();
+
+ if(mWindow)
+ {
+ frameBuffer = gl::createFrameBuffer(mWindow, backBufferWidth, backBufferHeight);
+
+ if(!frameBuffer)
+ {
+ ERR("Could not create frame buffer");
+ release();
+ return error(EGL_BAD_ALLOC, false);
+ }
+
+ #if defined(_WIN32)
+ InvalidateRect(mWindow, NULL, FALSE);
+ #endif
+ }
+
+ backBuffer = gl::createBackBuffer(backBufferWidth, backBufferHeight, mConfig);
+
+ if(backBuffer)
+ {
+ backBuffer->addRef();
+ }
+
+ if(!backBuffer)
+ {
+ ERR("Could not create back buffer");
+ release();
+ return error(EGL_BAD_ALLOC, false);
+ }
+
+ if(mConfig->mDepthStencilFormat != sw::FORMAT_NULL)
+ {
+ mDepthStencil = device->createDepthStencilSurface(backBufferWidth, backBufferHeight, mConfig->mDepthStencilFormat, 1, false);
+
+ if(!mDepthStencil)
+ {
+ ERR("Could not create depth/stencil buffer for surface");
+ release();
+ return error(EGL_BAD_ALLOC, false);
+ }
+ }
+
+ mWidth = backBufferWidth;
+ mHeight = backBufferHeight;
+
+ return true;
+}
+
+EGLNativeWindowType Surface::getWindowHandle()
+{
+ return mWindow;
+}
+
+void Surface::swap()
+{
+ #if PERF_PROFILE
+ profiler.nextFrame();
+ #endif
+
+ if(backBuffer)
+ {
+ bool HDR = backBuffer->getInternalFormat() == sw::FORMAT_A16B16G16R16;
+ void *source = backBuffer->lockInternal(0, 0, 0, sw::LOCK_READONLY, sw::PUBLIC);
+ frameBuffer->flip(source, HDR);
+ backBuffer->unlockInternal();
+
+ #if defined(_WIN32)
+ checkForResize();
+ #endif
+ }
+}
+
+EGLint Surface::getWidth() const
+{
+ return mWidth;
+}
+
+EGLint Surface::getHeight() const
+{
+ return mHeight;
+}
+
+gl::Image *Surface::getRenderTarget()
+{
+ if(backBuffer)
+ {
+ backBuffer->addRef();
+ }
+
+ return backBuffer;
+}
+
+gl::Image *Surface::getDepthStencil()
+{
+ if(mDepthStencil)
+ {
+ mDepthStencil->addRef();
+ }
+
+ return mDepthStencil;
+}
+
+void Surface::setSwapInterval(EGLint interval)
+{
+ if(mSwapInterval == interval)
+ {
+ return;
+ }
+
+ mSwapInterval = interval;
+ mSwapInterval = std::max(mSwapInterval, mDisplay->getMinSwapInterval());
+ mSwapInterval = std::min(mSwapInterval, mDisplay->getMaxSwapInterval());
+}
+
+EGLenum Surface::getTextureFormat() const
+{
+ return mTextureFormat;
+}
+
+EGLenum Surface::getTextureTarget() const
+{
+ return mTextureTarget;
+}
+
+void Surface::setBoundTexture(gl::Texture2D *texture)
+{
+ mTexture = texture;
+}
+
+gl::Texture2D *Surface::getBoundTexture() const
+{
+ return mTexture;
+}
+
+sw::Format Surface::getInternalFormat() const
+{
+ return mConfig->mRenderTargetFormat;
+}
+
+#if defined(WIN32)
+#define kSurfaceProperty _TEXT("Egl::SurfaceOwner")
+#define kParentWndProc _TEXT("Egl::SurfaceParentWndProc")
+
+static LRESULT CALLBACK SurfaceWindowProc(HWND hwnd, UINT message, WPARAM wparam, LPARAM lparam)
+{
+ if(message == WM_SIZE)
+ {
+ Surface *surface = reinterpret_cast<Surface*>(GetProp(hwnd, kSurfaceProperty));
+
+ if(surface)
+ {
+ surface->checkForResize();
+ }
+ }
+
+ WNDPROC prevWndFunc = reinterpret_cast<WNDPROC>(GetProp(hwnd, kParentWndProc));
+
+ return CallWindowProc(prevWndFunc, hwnd, message, wparam, lparam);
+}
+
+void Surface::subclassWindow()
+{
+ if(!mWindow)
+ {
+ return;
+ }
+
+ DWORD processId;
+ DWORD threadId = GetWindowThreadProcessId(mWindow, &processId);
+ if (processId != GetCurrentProcessId() || threadId != GetCurrentThreadId())
+ {
+ return;
+ }
+
+ SetLastError(0);
+ LONG oldWndProc = SetWindowLong(mWindow, GWL_WNDPROC, reinterpret_cast<LONG>(SurfaceWindowProc));
+
+ if(oldWndProc == 0 && GetLastError() != ERROR_SUCCESS)
+ {
+ mWindowSubclassed = false;
+ return;
+ }
+
+ SetProp(mWindow, kSurfaceProperty, reinterpret_cast<HANDLE>(this));
+ SetProp(mWindow, kParentWndProc, reinterpret_cast<HANDLE>(oldWndProc));
+ mWindowSubclassed = true;
+}
+
+void Surface::unsubclassWindow()
+{
+ if(!mWindowSubclassed)
+ {
+ return;
+ }
+
+ // un-subclass
+ LONG parentWndFunc = reinterpret_cast<LONG>(GetProp(mWindow, kParentWndProc));
+
+ // Check the windowproc is still SurfaceWindowProc.
+ // If this assert fails, then it is likely the application has subclassed the
+ // hwnd as well and did not unsubclass before destroying its EGL context. The
+ // application should be modified to either subclass before initializing the
+ // EGL context, or to unsubclass before destroying the EGL context.
+ if(parentWndFunc)
+ {
+ LONG prevWndFunc = SetWindowLong(mWindow, GWL_WNDPROC, parentWndFunc);
+ ASSERT(prevWndFunc == reinterpret_cast<LONG>(SurfaceWindowProc));
+ }
+
+ RemoveProp(mWindow, kSurfaceProperty);
+ RemoveProp(mWindow, kParentWndProc);
+ mWindowSubclassed = false;
+}
+
+bool Surface::checkForResize()
+{
+ RECT client;
+ if(!GetClientRect(mWindow, &client))
+ {
+ ASSERT(false);
+ return false;
+ }
+
+ // Grow the buffer now, if the window has grown. We need to grow now to avoid losing information.
+ int clientWidth = client.right - client.left;
+ int clientHeight = client.bottom - client.top;
+ bool sizeDirty = clientWidth != getWidth() || clientHeight != getHeight();
+
+ if(sizeDirty)
+ {
+ reset(clientWidth, clientHeight);
+
+ if(static_cast<egl::Surface*>(getCurrentDrawSurface()) == this)
+ {
+ gl::makeCurrent(gl::getCurrentContext(), static_cast<egl::Display*>(getCurrentDisplay()), this);
+ }
+
+ return true;
+ }
+
+ return false;
+}
+#endif
+}
diff --git a/src/GLES2/libEGL/Surface.h b/src/GLES2/libEGL/Surface.h
new file mode 100644
index 0000000..610113a
--- /dev/null
+++ b/src/GLES2/libEGL/Surface.h
@@ -0,0 +1,107 @@
+// SwiftShader Software Renderer
+//
+// Copyright(c) 2005-2012 TransGaming Inc.
+//
+// All rights reserved. No part of this software may be copied, distributed, transmitted,
+// transcribed, stored in a retrieval system, translated into any human or computer
+// language by any means, or disclosed to third parties without the explicit written
+// agreement of TransGaming Inc. Without such an agreement, no rights or licenses, express
+// or implied, including but not limited to any patent rights, are granted to you.
+//
+
+// Surface.h: Defines the egl::Surface class, representing a drawing surface
+// such as the client area of a window, including any back buffers.
+// Implements EGLSurface and related functionality. [EGL 1.4] section 2.2 page 3.
+
+#ifndef INCLUDE_SURFACE_H_
+#define INCLUDE_SURFACE_H_
+
+#include "libGLESv2/Image.hpp"
+#include "libGLESv2/Texture.h"
+#include "Main/FrameBuffer.hpp"
+
+#define EGLAPI
+#include <EGL/egl.h>
+
+namespace gl
+{
+class Image;
+class Texture2D;
+}
+
+namespace egl
+{
+class Display;
+class Config;
+
+class Surface
+{
+public:
+ Surface(Display *display, const egl::Config *config, EGLNativeWindowType window);
+ Surface(Display *display, const egl::Config *config, EGLint width, EGLint height, EGLenum textureFormat, EGLenum textureTarget);
+
+ ~Surface();
+
+ bool initialize();
+ void swap();
+
+ EGLNativeWindowType getWindowHandle();
+ virtual EGLint getWidth() const;
+ virtual EGLint getHeight() const;
+
+ virtual gl::Image *getRenderTarget();
+ virtual gl::Image *getDepthStencil();
+
+ void setSwapInterval(EGLint interval);
+
+ virtual EGLenum getTextureFormat() const;
+ virtual EGLenum getTextureTarget() const;
+ virtual sw::Format getInternalFormat() const;
+
+ virtual void setBoundTexture(gl::Texture2D *texture);
+ virtual gl::Texture2D *getBoundTexture() const;
+
+ #if defined(_WIN32)
+ bool checkForResize(); // Returns true if surface changed due to resize or interval update
+ #endif
+
+private:
+ void release();
+ bool reset();
+
+ Display *const mDisplay;
+ gl::Image *mDepthStencil;
+ sw::FrameBuffer *frameBuffer;
+ gl::Image *backBuffer;
+
+ bool reset(int backbufferWidth, int backbufferHeight);
+
+ #if defined(_WIN32)
+ void subclassWindow();
+ void unsubclassWindow();
+ #endif
+
+ const EGLNativeWindowType mWindow; // Window that the surface is created for.
+ bool mWindowSubclassed; // Indicates whether we successfully subclassed mWindow for WM_RESIZE hooking
+ const egl::Config *mConfig; // EGL config surface was created with
+ EGLint mHeight; // Height of surface
+ EGLint mWidth; // Width of surface
+// EGLint horizontalResolution; // Horizontal dot pitch
+// EGLint verticalResolution; // Vertical dot pitch
+// EGLBoolean largestPBuffer; // If true, create largest pbuffer possible
+// EGLBoolean mipmapTexture; // True if texture has mipmaps
+// EGLint mipmapLevel; // Mipmap level to render to
+// EGLenum multisampleResolve; // Multisample resolve behavior
+ EGLint mPixelAspectRatio; // Display aspect ratio
+ EGLenum mRenderBuffer; // Render buffer
+ EGLenum mSwapBehavior; // Buffer swap behavior
+ EGLenum mTextureFormat; // Format of texture: RGB, RGBA, or no texture
+ EGLenum mTextureTarget; // Type of texture: 2D or no texture
+// EGLenum vgAlphaFormat; // Alpha format for OpenVG
+// EGLenum vgColorSpace; // Color space for OpenVG
+ EGLint mSwapInterval;
+ gl::Texture2D *mTexture;
+};
+}
+
+#endif // INCLUDE_SURFACE_H_
diff --git a/src/GLES2/libEGL/libEGL.cbp b/src/GLES2/libEGL/libEGL.cbp
new file mode 100644
index 0000000..5609d21
--- /dev/null
+++ b/src/GLES2/libEGL/libEGL.cbp
@@ -0,0 +1,104 @@
+<?xml version="1.0" encoding="UTF-8" standalone="yes" ?>
+<CodeBlocks_project_file>
+ <FileVersion major="1" minor="6" />
+ <Project>
+ <Option title="libEGL" />
+ <Option pch_mode="2" />
+ <Option compiler="gcc" />
+ <Build>
+ <Target title="Debug x86">
+ <Option output="./../../bin/x86/Debug/libEGL.so" prefix_auto="0" extension_auto="0" />
+ <Option object_output="obj/x86/Debug/" />
+ <Option type="3" />
+ <Option compiler="gcc" />
+ <Option createDefFile="1" />
+ <Option createStaticLib="1" />
+ <Compiler>
+ <Add option="-g" />
+ <Add option="-m32" />
+ </Compiler>
+ <Linker>
+ <Add option="-m32" />
+ </Linker>
+ </Target>
+ <Target title="Release x86">
+ <Option output="./../../bin/x86/Release/libEGL.so" prefix_auto="0" extension_auto="0" />
+ <Option object_output="obj/x86/Release/" />
+ <Option type="3" />
+ <Option compiler="gcc" />
+ <Option createDefFile="1" />
+ <Option createStaticLib="1" />
+ <Compiler>
+ <Add option="-O2" />
+ <Add option="-m32" />
+ <Add option="-DNDEBUG" />
+ <Add option="-DANGLE_DISABLE_TRACE" />
+ </Compiler>
+ <Linker>
+ <Add option="-s" />
+ <Add option="-m32" />
+ </Linker>
+ </Target>
+ <Target title="Debug x64">
+ <Option output="./../../bin/x64/Debug/libEGL.so" prefix_auto="0" extension_auto="0" />
+ <Option object_output="obj/x64/Debug/" />
+ <Option type="3" />
+ <Option compiler="gcc" />
+ <Option createDefFile="1" />
+ <Option createStaticLib="1" />
+ <Compiler>
+ <Add option="-g" />
+ <Add option="-m64" />
+ <Add option="-fPIC" />
+ </Compiler>
+ <Linker>
+ <Add option="-m64" />
+ </Linker>
+ </Target>
+ <Target title="Release x64">
+ <Option output="./../../bin/x64/Release/libEGL.so" prefix_auto="0" extension_auto="0" />
+ <Option object_output="obj/x64/Release/" />
+ <Option type="3" />
+ <Option compiler="gcc" />
+ <Option createDefFile="1" />
+ <Option createStaticLib="1" />
+ <Compiler>
+ <Add option="-march=core2" />
+ <Add option="-O2" />
+ <Add option="-m64" />
+ <Add option="-fPIC" />
+ <Add option="-DNDEBUG" />
+ <Add option="-DANGLE_DISABLE_TRACE" />
+ </Compiler>
+ <Linker>
+ <Add option="-s" />
+ <Add option="-m64" />
+ </Linker>
+ </Target>
+ </Build>
+ <Compiler>
+ <Add option="-Wall" />
+ <Add option="-fexceptions" />
+ <Add directory="./../include/" />
+ <Add directory="./../" />
+ <Add directory="./../../" />
+ </Compiler>
+ <Linker>
+ <Add library="pthread" />
+ </Linker>
+ <Unit filename="../common/debug.cpp" />
+ <Unit filename="./Config.cpp" />
+ <Unit filename="./Config.h" />
+ <Unit filename="./Display.cpp" />
+ <Unit filename="./Display.h" />
+ <Unit filename="./Surface.cpp" />
+ <Unit filename="./Surface.h" />
+ <Unit filename="./libEGL.cpp" />
+ <Unit filename="./main.cpp" />
+ <Unit filename="./main.h" />
+ <Extensions>
+ <code_completion />
+ <debugger />
+ </Extensions>
+ </Project>
+</CodeBlocks_project_file>
diff --git a/src/GLES2/libEGL/libEGL.cpp b/src/GLES2/libEGL/libEGL.cpp
new file mode 100644
index 0000000..e4358a6
--- /dev/null
+++ b/src/GLES2/libEGL/libEGL.cpp
@@ -0,0 +1,1100 @@
+// SwiftShader Software Renderer
+//
+// Copyright(c) 2005-2012 TransGaming Inc.
+//
+// All rights reserved. No part of this software may be copied, distributed, transmitted,
+// transcribed, stored in a retrieval system, translated into any human or computer
+// language by any means, or disclosed to third parties without the explicit written
+// agreement of TransGaming Inc. Without such an agreement, no rights or licenses, express
+// or implied, including but not limited to any patent rights, are granted to you.
+//
+
+// libEGL.cpp: Implements the exported EGL functions.
+
+#include "main.h"
+#include "Display.h"
+#include "libGLESv2/Context.h"
+#include "libGLESv2/Texture.h"
+#include "common/debug.h"
+#include "Common/Version.h"
+
+#include <exception>
+
+static bool validateDisplay(egl::Display *display)
+{
+ if(display == EGL_NO_DISPLAY)
+ {
+ return error(EGL_BAD_DISPLAY, false);
+ }
+
+ if(!display->isInitialized())
+ {
+ return error(EGL_NOT_INITIALIZED, false);
+ }
+
+ return true;
+}
+
+static bool validateConfig(egl::Display *display, EGLConfig config)
+{
+ if(!validateDisplay(display))
+ {
+ return false;
+ }
+
+ if(!display->isValidConfig(config))
+ {
+ return error(EGL_BAD_CONFIG, false);
+ }
+
+ return true;
+}
+
+static bool validateContext(egl::Display *display, gl::Context *context)
+{
+ if(!validateDisplay(display))
+ {
+ return false;
+ }
+
+ if(!display->isValidContext(context))
+ {
+ return error(EGL_BAD_CONTEXT, false);
+ }
+
+ return true;
+}
+
+static bool validateSurface(egl::Display *display, egl::Surface *surface)
+{
+ if(!validateDisplay(display))
+ {
+ return false;
+ }
+
+ if(!display->isValidSurface(surface))
+ {
+ return error(EGL_BAD_SURFACE, false);
+ }
+
+ return true;
+}
+
+extern "C"
+{
+EGLint EGLAPIENTRY eglGetError(void)
+{
+ TRACE("()");
+
+ EGLint error = egl::getCurrentError();
+
+ if(error != EGL_SUCCESS)
+ {
+ egl::setCurrentError(EGL_SUCCESS);
+ }
+
+ return error;
+}
+
+EGLDisplay EGLAPIENTRY eglGetDisplay(EGLNativeDisplayType display_id)
+{
+ TRACE("(EGLNativeDisplayType display_id = 0x%0.8p)", display_id);
+
+ try
+ {
+ return egl::Display::getDisplay(display_id);
+ }
+ catch(std::bad_alloc&)
+ {
+ return error(EGL_BAD_ALLOC, EGL_NO_DISPLAY);
+ }
+
+ return EGL_NO_DISPLAY;
+}
+
+EGLBoolean EGLAPIENTRY eglInitialize(EGLDisplay dpy, EGLint *major, EGLint *minor)
+{
+ TRACE("(EGLDisplay dpy = 0x%0.8p, EGLint *major = 0x%0.8p, EGLint *minor = 0x%0.8p)",
+ dpy, major, minor);
+
+ try
+ {
+ if(dpy == EGL_NO_DISPLAY)
+ {
+ return error(EGL_BAD_DISPLAY, EGL_FALSE);
+ }
+
+ egl::Display *display = static_cast<egl::Display*>(dpy);
+
+ if(!display->initialize())
+ {
+ return error(EGL_NOT_INITIALIZED, EGL_FALSE);
+ }
+
+ if(major) *major = 1;
+ if(minor) *minor = 4;
+
+ return success(EGL_TRUE);
+ }
+ catch(std::bad_alloc&)
+ {
+ return error(EGL_BAD_ALLOC, EGL_FALSE);
+ }
+
+ return EGL_FALSE;
+}
+
+EGLBoolean EGLAPIENTRY eglTerminate(EGLDisplay dpy)
+{
+ TRACE("(EGLDisplay dpy = 0x%0.8p)", dpy);
+
+ try
+ {
+ if(dpy == EGL_NO_DISPLAY)
+ {
+ return error(EGL_BAD_DISPLAY, EGL_FALSE);
+ }
+
+ egl::Display *display = static_cast<egl::Display*>(dpy);
+
+ display->terminate();
+
+ return success(EGL_TRUE);
+ }
+ catch(std::bad_alloc&)
+ {
+ return error(EGL_BAD_ALLOC, EGL_FALSE);
+ }
+
+ return EGL_FALSE;
+}
+
+const char *EGLAPIENTRY eglQueryString(EGLDisplay dpy, EGLint name)
+{
+ TRACE("(EGLDisplay dpy = 0x%0.8p, EGLint name = %d)", dpy, name);
+
+ try
+ {
+ egl::Display *display = static_cast<egl::Display*>(dpy);
+
+ if(!validateDisplay(display))
+ {
+ return NULL;
+ }
+
+ switch (name)
+ {
+ case EGL_CLIENT_APIS:
+ return success("OpenGL_ES");
+ case EGL_EXTENSIONS:
+ return display->getExtensionString();
+ case EGL_VENDOR:
+ return success("TransGaming Inc.");
+ case EGL_VERSION:
+ return success("1.4 SwiftShader "VERSION_STRING);
+ }
+
+ return error(EGL_BAD_PARAMETER, (const char*)NULL);
+ }
+ catch(std::bad_alloc&)
+ {
+ return error(EGL_BAD_ALLOC, (const char*)NULL);
+ }
+
+ return NULL;
+}
+
+EGLBoolean EGLAPIENTRY eglGetConfigs(EGLDisplay dpy, EGLConfig *configs, EGLint config_size, EGLint *num_config)
+{
+ TRACE("(EGLDisplay dpy = 0x%0.8p, EGLConfig *configs = 0x%0.8p, "
+ "EGLint config_size = %d, EGLint *num_config = 0x%0.8p)",
+ dpy, configs, config_size, num_config);
+
+ try
+ {
+ egl::Display *display = static_cast<egl::Display*>(dpy);
+
+ if(!validateDisplay(display))
+ {
+ return EGL_FALSE;
+ }
+
+ if(!num_config)
+ {
+ return error(EGL_BAD_PARAMETER, EGL_FALSE);
+ }
+
+ const EGLint attribList[] = {EGL_NONE};
+
+ if(!display->getConfigs(configs, attribList, config_size, num_config))
+ {
+ return error(EGL_BAD_ATTRIBUTE, EGL_FALSE);
+ }
+
+ return success(EGL_TRUE);
+ }
+ catch(std::bad_alloc&)
+ {
+ return error(EGL_BAD_ALLOC, EGL_FALSE);
+ }
+
+ return EGL_FALSE;
+}
+
+EGLBoolean EGLAPIENTRY eglChooseConfig(EGLDisplay dpy, const EGLint *attrib_list, EGLConfig *configs, EGLint config_size, EGLint *num_config)
+{
+ TRACE("(EGLDisplay dpy = 0x%0.8p, const EGLint *attrib_list = 0x%0.8p, "
+ "EGLConfig *configs = 0x%0.8p, EGLint config_size = %d, EGLint *num_config = 0x%0.8p)",
+ dpy, attrib_list, configs, config_size, num_config);
+
+ try
+ {
+ egl::Display *display = static_cast<egl::Display*>(dpy);
+
+ if(!validateDisplay(display))
+ {
+ return EGL_FALSE;
+ }
+
+ if(!num_config)
+ {
+ return error(EGL_BAD_PARAMETER, EGL_FALSE);
+ }
+
+ const EGLint attribList[] = {EGL_NONE};
+
+ if(!attrib_list)
+ {
+ attrib_list = attribList;
+ }
+
+ display->getConfigs(configs, attrib_list, config_size, num_config);
+
+ return success(EGL_TRUE);
+ }
+ catch(std::bad_alloc&)
+ {
+ return error(EGL_BAD_ALLOC, EGL_FALSE);
+ }
+
+ return EGL_FALSE;
+}
+
+EGLBoolean EGLAPIENTRY eglGetConfigAttrib(EGLDisplay dpy, EGLConfig config, EGLint attribute, EGLint *value)
+{
+ TRACE("(EGLDisplay dpy = 0x%0.8p, EGLConfig config = 0x%0.8p, EGLint attribute = %d, EGLint *value = 0x%0.8p)",
+ dpy, config, attribute, value);
+
+ try
+ {
+ egl::Display *display = static_cast<egl::Display*>(dpy);
+
+ if(!validateConfig(display, config))
+ {
+ return EGL_FALSE;
+ }
+
+ if(!display->getConfigAttrib(config, attribute, value))
+ {
+ return error(EGL_BAD_ATTRIBUTE, EGL_FALSE);
+ }
+
+ return success(EGL_TRUE);
+ }
+ catch(std::bad_alloc&)
+ {
+ return error(EGL_BAD_ALLOC, EGL_FALSE);
+ }
+
+ return EGL_FALSE;
+}
+
+EGLSurface EGLAPIENTRY eglCreateWindowSurface(EGLDisplay dpy, EGLConfig config, EGLNativeWindowType window, const EGLint *attrib_list)
+{
+ TRACE("(EGLDisplay dpy = 0x%0.8p, EGLConfig config = 0x%0.8p, EGLNativeWindowType win = 0x%0.8p, "
+ "const EGLint *attrib_list = 0x%0.8p)", dpy, config, window, attrib_list);
+
+ try
+ {
+ egl::Display *display = static_cast<egl::Display*>(dpy);
+
+ if(!validateConfig(display, config))
+ {
+ return EGL_NO_SURFACE;
+ }
+
+ if(!display->isValidWindow(window))
+ {
+ return error(EGL_BAD_NATIVE_WINDOW, EGL_NO_SURFACE);
+ }
+
+ return display->createWindowSurface(window, config, attrib_list);
+ }
+ catch(std::bad_alloc&)
+ {
+ return error(EGL_BAD_ALLOC, EGL_NO_SURFACE);
+ }
+
+ return EGL_NO_SURFACE;
+}
+
+EGLSurface EGLAPIENTRY eglCreatePbufferSurface(EGLDisplay dpy, EGLConfig config, const EGLint *attrib_list)
+{
+ TRACE("(EGLDisplay dpy = 0x%0.8p, EGLConfig config = 0x%0.8p, const EGLint *attrib_list = 0x%0.8p)",
+ dpy, config, attrib_list);
+
+ try
+ {
+ egl::Display *display = static_cast<egl::Display*>(dpy);
+
+ if(!validateConfig(display, config))
+ {
+ return EGL_NO_SURFACE;
+ }
+
+ return display->createOffscreenSurface(config, attrib_list);
+ }
+ catch(std::bad_alloc&)
+ {
+ return error(EGL_BAD_ALLOC, EGL_NO_SURFACE);
+ }
+
+ return EGL_NO_SURFACE;
+}
+
+EGLSurface EGLAPIENTRY eglCreatePixmapSurface(EGLDisplay dpy, EGLConfig config, EGLNativePixmapType pixmap, const EGLint *attrib_list)
+{
+ TRACE("(EGLDisplay dpy = 0x%0.8p, EGLConfig config = 0x%0.8p, EGLNativePixmapType pixmap = 0x%0.8p, "
+ "const EGLint *attrib_list = 0x%0.8p)", dpy, config, pixmap, attrib_list);
+
+ try
+ {
+ egl::Display *display = static_cast<egl::Display*>(dpy);
+
+ if(!validateConfig(display, config))
+ {
+ return EGL_NO_SURFACE;
+ }
+
+ UNIMPLEMENTED(); // FIXME
+
+ return success(EGL_NO_SURFACE);
+ }
+ catch(std::bad_alloc&)
+ {
+ return error(EGL_BAD_ALLOC, EGL_NO_SURFACE);
+ }
+
+ return EGL_NO_SURFACE;
+}
+
+EGLBoolean EGLAPIENTRY eglDestroySurface(EGLDisplay dpy, EGLSurface surface)
+{
+ TRACE("(EGLDisplay dpy = 0x%0.8p, EGLSurface surface = 0x%0.8p)", dpy, surface);
+
+ try
+ {
+ egl::Display *display = static_cast<egl::Display*>(dpy);
+ egl::Surface *eglSurface = static_cast<egl::Surface*>(surface);
+
+ if(!validateSurface(display, eglSurface))
+ {
+ return EGL_FALSE;
+ }
+
+ if(surface == EGL_NO_SURFACE)
+ {
+ return error(EGL_BAD_SURFACE, EGL_FALSE);
+ }
+
+ display->destroySurface((egl::Surface*)surface);
+
+ return success(EGL_TRUE);
+ }
+ catch(std::bad_alloc&)
+ {
+ return error(EGL_BAD_ALLOC, EGL_FALSE);
+ }
+
+ return EGL_FALSE;
+}
+
+EGLBoolean EGLAPIENTRY eglQuerySurface(EGLDisplay dpy, EGLSurface surface, EGLint attribute, EGLint *value)
+{
+ TRACE("(EGLDisplay dpy = 0x%0.8p, EGLSurface surface = 0x%0.8p, EGLint attribute = %d, EGLint *value = 0x%0.8p)",
+ dpy, surface, attribute, value);
+
+ try
+ {
+ egl::Display *display = static_cast<egl::Display*>(dpy);
+ egl::Surface *eglSurface = (egl::Surface*)surface;
+
+ if(!validateSurface(display, eglSurface))
+ {
+ return EGL_FALSE;
+ }
+
+ if(surface == EGL_NO_SURFACE)
+ {
+ return error(EGL_BAD_SURFACE, EGL_FALSE);
+ }
+
+ switch(attribute)
+ {
+ case EGL_VG_ALPHA_FORMAT:
+ UNIMPLEMENTED(); // FIXME
+ break;
+ case EGL_VG_COLORSPACE:
+ UNIMPLEMENTED(); // FIXME
+ break;
+ case EGL_CONFIG_ID:
+ UNIMPLEMENTED(); // FIXME
+ break;
+ case EGL_HEIGHT:
+ *value = eglSurface->getHeight();
+ break;
+ case EGL_HORIZONTAL_RESOLUTION:
+ UNIMPLEMENTED(); // FIXME
+ break;
+ case EGL_LARGEST_PBUFFER:
+ UNIMPLEMENTED(); // FIXME
+ break;
+ case EGL_MIPMAP_TEXTURE:
+ UNIMPLEMENTED(); // FIXME
+ break;
+ case EGL_MIPMAP_LEVEL:
+ UNIMPLEMENTED(); // FIXME
+ break;
+ case EGL_MULTISAMPLE_RESOLVE:
+ UNIMPLEMENTED(); // FIXME
+ break;
+ case EGL_PIXEL_ASPECT_RATIO:
+ UNIMPLEMENTED(); // FIXME
+ break;
+ case EGL_RENDER_BUFFER:
+ UNIMPLEMENTED(); // FIXME
+ break;
+ case EGL_SWAP_BEHAVIOR:
+ UNIMPLEMENTED(); // FIXME
+ break;
+ case EGL_TEXTURE_FORMAT:
+ UNIMPLEMENTED(); // FIXME
+ break;
+ case EGL_TEXTURE_TARGET:
+ UNIMPLEMENTED(); // FIXME
+ break;
+ case EGL_VERTICAL_RESOLUTION:
+ UNIMPLEMENTED(); // FIXME
+ break;
+ case EGL_WIDTH:
+ *value = eglSurface->getWidth();
+ break;
+ default:
+ return error(EGL_BAD_ATTRIBUTE, EGL_FALSE);
+ }
+
+ return success(EGL_TRUE);
+ }
+ catch(std::bad_alloc&)
+ {
+ return error(EGL_BAD_ALLOC, EGL_FALSE);
+ }
+
+ return EGL_FALSE;
+}
+
+EGLBoolean EGLAPIENTRY eglBindAPI(EGLenum api)
+{
+ TRACE("(EGLenum api = 0x%X)", api);
+
+ try
+ {
+ switch (api)
+ {
+ case EGL_OPENGL_API:
+ case EGL_OPENVG_API:
+ return error(EGL_BAD_PARAMETER, EGL_FALSE); // Not supported by this implementation
+ case EGL_OPENGL_ES_API:
+ break;
+ default:
+ return error(EGL_BAD_PARAMETER, EGL_FALSE);
+ }
+
+ egl::setCurrentAPI(api);
+
+ return success(EGL_TRUE);
+ }
+ catch(std::bad_alloc&)
+ {
+ return error(EGL_BAD_ALLOC, EGL_FALSE);
+ }
+
+ return EGL_FALSE;
+}
+
+EGLenum EGLAPIENTRY eglQueryAPI(void)
+{
+ TRACE("()");
+
+ try
+ {
+ EGLenum API = egl::getCurrentAPI();
+
+ return success(API);
+ }
+ catch(std::bad_alloc&)
+ {
+ return error(EGL_BAD_ALLOC, EGL_FALSE);
+ }
+
+ return EGL_FALSE;
+}
+
+EGLBoolean EGLAPIENTRY eglWaitClient(void)
+{
+ TRACE("()");
+
+ try
+ {
+ UNIMPLEMENTED(); // FIXME
+
+ return success(0);
+ }
+ catch(std::bad_alloc&)
+ {
+ return error(EGL_BAD_ALLOC, EGL_FALSE);
+ }
+
+ return EGL_FALSE;
+}
+
+EGLBoolean EGLAPIENTRY eglReleaseThread(void)
+{
+ TRACE("()");
+
+ try
+ {
+ eglMakeCurrent(EGL_NO_DISPLAY, EGL_NO_CONTEXT, EGL_NO_SURFACE, EGL_NO_SURFACE);
+
+ return success(EGL_TRUE);
+ }
+ catch(std::bad_alloc&)
+ {
+ return error(EGL_BAD_ALLOC, EGL_FALSE);
+ }
+
+ return EGL_FALSE;
+}
+
+EGLSurface EGLAPIENTRY eglCreatePbufferFromClientBuffer(EGLDisplay dpy, EGLenum buftype, EGLClientBuffer buffer, EGLConfig config, const EGLint *attrib_list)
+{
+ TRACE("(EGLDisplay dpy = 0x%0.8p, EGLenum buftype = 0x%X, EGLClientBuffer buffer = 0x%0.8p, "
+ "EGLConfig config = 0x%0.8p, const EGLint *attrib_list = 0x%0.8p)",
+ dpy, buftype, buffer, config, attrib_list);
+
+ UNIMPLEMENTED();
+
+ return error(EGL_BAD_PARAMETER, EGL_NO_SURFACE);
+}
+
+EGLBoolean EGLAPIENTRY eglSurfaceAttrib(EGLDisplay dpy, EGLSurface surface, EGLint attribute, EGLint value)
+{
+ TRACE("(EGLDisplay dpy = 0x%0.8p, EGLSurface surface = 0x%0.8p, EGLint attribute = %d, EGLint value = %d)",
+ dpy, surface, attribute, value);
+
+ try
+ {
+ egl::Display *display = static_cast<egl::Display*>(dpy);
+ egl::Surface *eglSurface = static_cast<egl::Surface*>(surface);
+
+ if(!validateSurface(display, eglSurface))
+ {
+ return EGL_FALSE;
+ }
+
+ UNIMPLEMENTED(); // FIXME
+
+ return success(EGL_TRUE);
+ }
+ catch(std::bad_alloc&)
+ {
+ return error(EGL_BAD_ALLOC, EGL_FALSE);
+ }
+
+ return EGL_FALSE;
+}
+
+EGLBoolean EGLAPIENTRY eglBindTexImage(EGLDisplay dpy, EGLSurface surface, EGLint buffer)
+{
+ TRACE("(EGLDisplay dpy = 0x%0.8p, EGLSurface surface = 0x%0.8p, EGLint buffer = %d)", dpy, surface, buffer);
+
+ try
+ {
+ egl::Display *display = static_cast<egl::Display*>(dpy);
+ egl::Surface *eglSurface = static_cast<egl::Surface*>(surface);
+
+ if(!validateSurface(display, eglSurface))
+ {
+ return EGL_FALSE;
+ }
+
+ if(buffer != EGL_BACK_BUFFER)
+ {
+ return error(EGL_BAD_PARAMETER, EGL_FALSE);
+ }
+
+ if(surface == EGL_NO_SURFACE || eglSurface->getWindowHandle())
+ {
+ return error(EGL_BAD_SURFACE, EGL_FALSE);
+ }
+
+ if(eglSurface->getBoundTexture())
+ {
+ return error(EGL_BAD_ACCESS, EGL_FALSE);
+ }
+
+ if(eglSurface->getTextureFormat() == EGL_NO_TEXTURE)
+ {
+ return error(EGL_BAD_MATCH, EGL_FALSE);
+ }
+
+ gl::bindTexImage(eglSurface);
+
+ return success(EGL_TRUE);
+ }
+ catch(std::bad_alloc&)
+ {
+ return error(EGL_BAD_ALLOC, EGL_FALSE);
+ }
+
+ return EGL_FALSE;
+}
+
+EGLBoolean EGLAPIENTRY eglReleaseTexImage(EGLDisplay dpy, EGLSurface surface, EGLint buffer)
+{
+ TRACE("(EGLDisplay dpy = 0x%0.8p, EGLSurface surface = 0x%0.8p, EGLint buffer = %d)", dpy, surface, buffer);
+
+ try
+ {
+ egl::Display *display = static_cast<egl::Display*>(dpy);
+ egl::Surface *eglSurface = static_cast<egl::Surface*>(surface);
+
+ if(!validateSurface(display, eglSurface))
+ {
+ return EGL_FALSE;
+ }
+
+ if(buffer != EGL_BACK_BUFFER)
+ {
+ return error(EGL_BAD_PARAMETER, EGL_FALSE);
+ }
+
+ if(surface == EGL_NO_SURFACE || eglSurface->getWindowHandle())
+ {
+ return error(EGL_BAD_SURFACE, EGL_FALSE);
+ }
+
+ if(eglSurface->getTextureFormat() == EGL_NO_TEXTURE)
+ {
+ return error(EGL_BAD_MATCH, EGL_FALSE);
+ }
+
+ gl::Texture2D *texture = eglSurface->getBoundTexture();
+
+ if(texture)
+ {
+ texture->releaseTexImage();
+ }
+
+ return success(EGL_TRUE);
+ }
+ catch(std::bad_alloc&)
+ {
+ return error(EGL_BAD_ALLOC, EGL_FALSE);
+ }
+
+ return EGL_FALSE;
+}
+
+EGLBoolean EGLAPIENTRY eglSwapInterval(EGLDisplay dpy, EGLint interval)
+{
+ TRACE("(EGLDisplay dpy = 0x%0.8p, EGLint interval = %d)", dpy, interval);
+
+ try
+ {
+ egl::Display *display = static_cast<egl::Display*>(dpy);
+
+ if(!validateDisplay(display))
+ {
+ return EGL_FALSE;
+ }
+
+ egl::Surface *draw_surface = static_cast<egl::Surface*>(egl::getCurrentDrawSurface());
+
+ if(draw_surface == NULL)
+ {
+ return error(EGL_BAD_SURFACE, EGL_FALSE);
+ }
+
+ draw_surface->setSwapInterval(interval);
+
+ return success(EGL_TRUE);
+ }
+ catch(std::bad_alloc&)
+ {
+ return error(EGL_BAD_ALLOC, EGL_FALSE);
+ }
+
+ return EGL_FALSE;
+}
+
+EGLContext EGLAPIENTRY eglCreateContext(EGLDisplay dpy, EGLConfig config, EGLContext share_context, const EGLint *attrib_list)
+{
+ TRACE("(EGLDisplay dpy = 0x%0.8p, EGLConfig config = 0x%0.8p, EGLContext share_context = 0x%0.8p, "
+ "const EGLint *attrib_list = 0x%0.8p)", dpy, config, share_context, attrib_list);
+
+ try
+ {
+ // Get the requested client version (default is 1) and check it is two.
+ EGLint client_version = 1;
+ if(attrib_list)
+ {
+ for(const EGLint* attribute = attrib_list; attribute[0] != EGL_NONE; attribute += 2)
+ {
+ if(attribute[0] == EGL_CONTEXT_CLIENT_VERSION)
+ {
+ client_version = attribute[1];
+ }
+ else
+ {
+ return error(EGL_BAD_ATTRIBUTE, EGL_NO_CONTEXT);
+ }
+ }
+ }
+
+ if(client_version != 2)
+ {
+ return error(EGL_BAD_CONFIG, EGL_NO_CONTEXT);
+ }
+
+ egl::Display *display = static_cast<egl::Display*>(dpy);
+
+ if(!validateConfig(display, config))
+ {
+ return EGL_NO_CONTEXT;
+ }
+
+ EGLContext context = display->createContext(config, static_cast<gl::Context*>(share_context));
+
+ return success(context);
+ }
+ catch(std::bad_alloc&)
+ {
+ return error(EGL_BAD_ALLOC, EGL_NO_CONTEXT);
+ }
+
+ return EGL_NO_CONTEXT;
+}
+
+EGLBoolean EGLAPIENTRY eglDestroyContext(EGLDisplay dpy, EGLContext ctx)
+{
+ TRACE("(EGLDisplay dpy = 0x%0.8p, EGLContext ctx = 0x%0.8p)", dpy, ctx);
+
+ try
+ {
+ egl::Display *display = static_cast<egl::Display*>(dpy);
+ gl::Context *context = static_cast<gl::Context*>(ctx);
+
+ if(!validateContext(display, context))
+ {
+ return EGL_FALSE;
+ }
+
+ if(ctx == EGL_NO_CONTEXT)
+ {
+ return error(EGL_BAD_CONTEXT, EGL_FALSE);
+ }
+
+ display->destroyContext(context);
+
+ return success(EGL_TRUE);
+ }
+ catch(std::bad_alloc&)
+ {
+ return error(EGL_BAD_ALLOC, EGL_FALSE);
+ }
+
+ return EGL_FALSE;
+}
+
+EGLBoolean EGLAPIENTRY eglMakeCurrent(EGLDisplay dpy, EGLSurface draw, EGLSurface read, EGLContext ctx)
+{
+ TRACE("(EGLDisplay dpy = 0x%0.8p, EGLSurface draw = 0x%0.8p, EGLSurface read = 0x%0.8p, EGLContext ctx = 0x%0.8p)",
+ dpy, draw, read, ctx);
+
+ try
+ {
+ egl::Display *display = static_cast<egl::Display*>(dpy);
+ gl::Context *context = static_cast<gl::Context*>(ctx);
+ gl::Device *device = display->getDevice();
+
+ if(!device)
+ {
+ return error(EGL_CONTEXT_LOST, EGL_FALSE);
+ }
+
+ if(ctx != EGL_NO_CONTEXT && !validateContext(display, context))
+ {
+ return EGL_FALSE;
+ }
+
+ if((draw != EGL_NO_SURFACE && !validateSurface(display, static_cast<egl::Surface*>(draw))) ||
+ (read != EGL_NO_SURFACE && !validateSurface(display, static_cast<egl::Surface*>(read))))
+ {
+ return EGL_FALSE;
+ }
+
+ if(draw != read)
+ {
+ UNIMPLEMENTED(); // FIXME
+ }
+
+ egl::Surface* previousDraw = static_cast<egl::Surface*>(egl::getCurrentDrawSurface());
+ egl::Surface* previousRead = static_cast<egl::Surface*>(egl::getCurrentReadSurface());
+
+ egl::setCurrentDisplay(dpy);
+ egl::setCurrentDrawSurface(draw);
+ egl::setCurrentReadSurface(read);
+
+ gl::makeCurrent(context, display, static_cast<egl::Surface*>(draw));
+
+ return success(EGL_TRUE);
+ }
+ catch(std::bad_alloc&)
+ {
+ return error(EGL_BAD_ALLOC, EGL_FALSE);
+ }
+
+ return EGL_FALSE;
+}
+
+EGLContext EGLAPIENTRY eglGetCurrentContext(void)
+{
+ TRACE("()");
+
+ try
+ {
+ EGLContext context = gl::getCurrentContext();
+
+ return success(context);
+ }
+ catch(std::bad_alloc&)
+ {
+ return error(EGL_BAD_ALLOC, EGL_NO_CONTEXT);
+ }
+
+ return EGL_NO_CONTEXT;
+}
+
+EGLSurface EGLAPIENTRY eglGetCurrentSurface(EGLint readdraw)
+{
+ TRACE("(EGLint readdraw = %d)", readdraw);
+
+ try
+ {
+ if(readdraw == EGL_READ)
+ {
+ EGLSurface read = egl::getCurrentReadSurface();
+ return success(read);
+ }
+ else if(readdraw == EGL_DRAW)
+ {
+ EGLSurface draw = egl::getCurrentDrawSurface();
+ return success(draw);
+ }
+ else
+ {
+ return error(EGL_BAD_PARAMETER, EGL_NO_SURFACE);
+ }
+ }
+ catch(std::bad_alloc&)
+ {
+ return error(EGL_BAD_ALLOC, EGL_NO_SURFACE);
+ }
+
+ return EGL_NO_SURFACE;
+}
+
+EGLDisplay EGLAPIENTRY eglGetCurrentDisplay(void)
+{
+ TRACE("()");
+
+ try
+ {
+ EGLDisplay dpy = egl::getCurrentDisplay();
+
+ return success(dpy);
+ }
+ catch(std::bad_alloc&)
+ {
+ return error(EGL_BAD_ALLOC, EGL_NO_DISPLAY);
+ }
+
+ return EGL_NO_DISPLAY;
+}
+
+EGLBoolean EGLAPIENTRY eglQueryContext(EGLDisplay dpy, EGLContext ctx, EGLint attribute, EGLint *value)
+{
+ TRACE("(EGLDisplay dpy = 0x%0.8p, EGLContext ctx = 0x%0.8p, EGLint attribute = %d, EGLint *value = 0x%0.8p)",
+ dpy, ctx, attribute, value);
+
+ try
+ {
+ egl::Display *display = static_cast<egl::Display*>(dpy);
+ gl::Context *context = static_cast<gl::Context*>(ctx);
+
+ if(!validateContext(display, context))
+ {
+ return EGL_FALSE;
+ }
+
+ UNIMPLEMENTED(); // FIXME
+
+ return success(0);
+ }
+ catch(std::bad_alloc&)
+ {
+ return error(EGL_BAD_ALLOC, EGL_FALSE);
+ }
+
+ return EGL_FALSE;
+}
+
+EGLBoolean EGLAPIENTRY eglWaitGL(void)
+{
+ TRACE("()");
+
+ try
+ {
+ UNIMPLEMENTED(); // FIXME
+
+ return success(0);
+ }
+ catch(std::bad_alloc&)
+ {
+ return error(EGL_BAD_ALLOC, EGL_FALSE);
+ }
+
+ return EGL_FALSE;
+}
+
+EGLBoolean EGLAPIENTRY eglWaitNative(EGLint engine)
+{
+ TRACE("(EGLint engine = %d)", engine);
+
+ try
+ {
+ UNIMPLEMENTED(); // FIXME
+
+ return success(0);
+ }
+ catch(std::bad_alloc&)
+ {
+ return error(EGL_BAD_ALLOC, EGL_FALSE);
+ }
+
+ return EGL_FALSE;
+}
+
+EGLBoolean EGLAPIENTRY eglSwapBuffers(EGLDisplay dpy, EGLSurface surface)
+{
+ TRACE("(EGLDisplay dpy = 0x%0.8p, EGLSurface surface = 0x%0.8p)", dpy, surface);
+
+ try
+ {
+ egl::Display *display = static_cast<egl::Display*>(dpy);
+ egl::Surface *eglSurface = (egl::Surface*)surface;
+
+ if(!validateSurface(display, eglSurface))
+ {
+ return EGL_FALSE;
+ }
+
+ if(surface == EGL_NO_SURFACE)
+ {
+ return error(EGL_BAD_SURFACE, EGL_FALSE);
+ }
+
+ eglSurface->swap();
+
+ return success(EGL_TRUE);
+ }
+ catch(std::bad_alloc&)
+ {
+ return error(EGL_BAD_ALLOC, EGL_FALSE);
+ }
+
+ return EGL_FALSE;
+}
+
+EGLBoolean EGLAPIENTRY eglCopyBuffers(EGLDisplay dpy, EGLSurface surface, EGLNativePixmapType target)
+{
+ TRACE("(EGLDisplay dpy = 0x%0.8p, EGLSurface surface = 0x%0.8p, EGLNativePixmapType target = 0x%0.8p)", dpy, surface, target);
+
+ try
+ {
+ egl::Display *display = static_cast<egl::Display*>(dpy);
+ egl::Surface *eglSurface = static_cast<egl::Surface*>(surface);
+
+ if(!validateSurface(display, eglSurface))
+ {
+ return EGL_FALSE;
+ }
+
+ UNIMPLEMENTED(); // FIXME
+
+ return success(0);
+ }
+ catch(std::bad_alloc&)
+ {
+ return error(EGL_BAD_ALLOC, EGL_FALSE);
+ }
+
+ return EGL_FALSE;
+}
+
+__eglMustCastToProperFunctionPointerType EGLAPIENTRY eglGetProcAddress(const char *procname)
+{
+ TRACE("(const char *procname = \"%s\")", procname);
+
+ try
+ {
+ struct Extension
+ {
+ const char *name;
+ __eglMustCastToProperFunctionPointerType address;
+ };
+
+ static const Extension eglExtensions[] =
+ {
+ {"", NULL},
+ };
+
+ for(int ext = 0; ext < sizeof(eglExtensions) / sizeof(Extension); ext++)
+ {
+ if(strcmp(procname, eglExtensions[ext].name) == 0)
+ {
+ return (__eglMustCastToProperFunctionPointerType)eglExtensions[ext].address;
+ }
+ }
+
+ return gl::getProcAddress(procname);
+ }
+ catch(std::bad_alloc&)
+ {
+ return error(EGL_BAD_ALLOC, (__eglMustCastToProperFunctionPointerType)NULL);
+ }
+
+ return NULL;
+}
+}
diff --git a/src/GLES2/libEGL/libEGL.def b/src/GLES2/libEGL/libEGL.def
new file mode 100644
index 0000000..71a5e67
--- /dev/null
+++ b/src/GLES2/libEGL/libEGL.def
@@ -0,0 +1,36 @@
+LIBRARY libEGL
+EXPORTS
+ eglBindAPI @14
+ eglBindTexImage @20
+ eglChooseConfig @7
+ eglCopyBuffers @33
+ eglCreateContext @23
+ eglCreatePbufferFromClientBuffer @18
+ eglCreatePbufferSurface @10
+ eglCreatePixmapSurface @11
+ eglCreateWindowSurface @9
+ eglDestroyContext @24
+ eglDestroySurface @12
+ eglGetConfigAttrib @8
+ eglGetConfigs @6
+ eglGetCurrentContext @26
+ eglGetCurrentDisplay @28
+ eglGetCurrentSurface @27
+ eglGetDisplay @2
+ eglGetError @1
+ eglGetProcAddress @34
+ eglInitialize @3
+ eglMakeCurrent @25
+ eglQueryAPI @15
+ eglQueryContext @29
+ eglQueryString @5
+ eglQuerySurface @13
+ eglReleaseTexImage @21
+ eglReleaseThread @17
+ eglSurfaceAttrib @19
+ eglSwapBuffers @32
+ eglSwapInterval @22
+ eglTerminate @4
+ eglWaitClient @16
+ eglWaitGL @30
+ eglWaitNative @31
\ No newline at end of file
diff --git a/src/GLES2/libEGL/libEGL.rc b/src/GLES2/libEGL/libEGL.rc
new file mode 100644
index 0000000..d426063
--- /dev/null
+++ b/src/GLES2/libEGL/libEGL.rc
@@ -0,0 +1,102 @@
+// Microsoft Visual C++ generated resource script.
+//
+#include "resource.h"
+
+#define APSTUDIO_READONLY_SYMBOLS
+/////////////////////////////////////////////////////////////////////////////
+//
+// Generated from the TEXTINCLUDE 2 resource.
+//
+#include <windows.h>
+#include "../../common/Version.h"
+
+/////////////////////////////////////////////////////////////////////////////
+#undef APSTUDIO_READONLY_SYMBOLS
+
+/////////////////////////////////////////////////////////////////////////////
+// English (U.S.) resources
+
+#if !defined(AFX_RESOURCE_DLL) || defined(AFX_TARG_ENU)
+#ifdef _WIN32
+LANGUAGE LANG_ENGLISH, SUBLANG_ENGLISH_US
+#pragma code_page(1252)
+#endif //_WIN32
+
+#ifdef APSTUDIO_INVOKED
+/////////////////////////////////////////////////////////////////////////////
+//
+// TEXTINCLUDE
+//
+
+1 TEXTINCLUDE
+BEGIN
+ "resource.h\0"
+END
+
+2 TEXTINCLUDE
+BEGIN
+ "#include ""afxres.h""\r\n"
+ "#include ""../common/version.h""\0"
+END
+
+3 TEXTINCLUDE
+BEGIN
+ "\r\n"
+ "\0"
+END
+
+#endif // APSTUDIO_INVOKED
+
+
+/////////////////////////////////////////////////////////////////////////////
+//
+// Version
+//
+
+VS_VERSION_INFO VERSIONINFO
+ FILEVERSION MAJOR_VERSION,MINOR_VERSION,BUILD_VERSION,BUILD_REVISION
+ PRODUCTVERSION MAJOR_VERSION,MINOR_VERSION,BUILD_VERSION,BUILD_REVISION
+ FILEFLAGSMASK 0x17L
+#ifdef _DEBUG
+ FILEFLAGS 0x1L
+#else
+ FILEFLAGS 0x0L
+#endif
+ FILEOS 0x4L
+ FILETYPE 0x2L
+ FILESUBTYPE 0x0L
+BEGIN
+ BLOCK "StringFileInfo"
+ BEGIN
+ BLOCK "040904b0"
+ BEGIN
+ VALUE "FileDescription", "SwiftShader libEGL Dynamic Link Library"
+ VALUE "FileVersion", VERSION_STRING
+ VALUE "InternalName", "libEGL"
+ VALUE "LegalCopyright", "Copyright (C) 2012 TransGaming Inc."
+ VALUE "OriginalFilename", "libEGL.dll"
+ VALUE "PrivateBuild", VERSION_STRING
+ VALUE "ProductName", "SwiftShader libEGL Dynamic Link Library"
+ VALUE "ProductVersion", VERSION_STRING
+ END
+ END
+ BLOCK "VarFileInfo"
+ BEGIN
+ VALUE "Translation", 0x409, 1200
+ END
+END
+
+#endif // English (U.S.) resources
+/////////////////////////////////////////////////////////////////////////////
+
+
+
+#ifndef APSTUDIO_INVOKED
+/////////////////////////////////////////////////////////////////////////////
+//
+// Generated from the TEXTINCLUDE 3 resource.
+//
+
+
+/////////////////////////////////////////////////////////////////////////////
+#endif // not APSTUDIO_INVOKED
diff --git a/src/GLES2/libEGL/libEGL.vcxproj b/src/GLES2/libEGL/libEGL.vcxproj
new file mode 100644
index 0000000..7eeff3f
--- /dev/null
+++ b/src/GLES2/libEGL/libEGL.vcxproj
@@ -0,0 +1,187 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Project DefaultTargets="Build" ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+ <ItemGroup Label="ProjectConfigurations">
+ <ProjectConfiguration Include="Debug|Win32">
+ <Configuration>Debug</Configuration>
+ <Platform>Win32</Platform>
+ </ProjectConfiguration>
+ <ProjectConfiguration Include="Profile|Win32">
+ <Configuration>Profile</Configuration>
+ <Platform>Win32</Platform>
+ </ProjectConfiguration>
+ <ProjectConfiguration Include="Release|Win32">
+ <Configuration>Release</Configuration>
+ <Platform>Win32</Platform>
+ </ProjectConfiguration>
+ </ItemGroup>
+ <PropertyGroup Label="Globals">
+ <ProjectGuid>{E746FCA9-64C3-433E-85E8-9A5A67AB7ED6}</ProjectGuid>
+ <RootNamespace>libEGL</RootNamespace>
+ <Keyword>Win32Proj</Keyword>
+ </PropertyGroup>
+ <Import Project="$(VCTargetsPath)\Microsoft.Cpp.Default.props" />
+ <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'" Label="Configuration">
+ <ConfigurationType>DynamicLibrary</ConfigurationType>
+ <CharacterSet>NotSet</CharacterSet>
+ <WholeProgramOptimization>true</WholeProgramOptimization>
+ </PropertyGroup>
+ <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Profile|Win32'" Label="Configuration">
+ <ConfigurationType>DynamicLibrary</ConfigurationType>
+ <CharacterSet>NotSet</CharacterSet>
+ <WholeProgramOptimization>true</WholeProgramOptimization>
+ </PropertyGroup>
+ <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'" Label="Configuration">
+ <ConfigurationType>DynamicLibrary</ConfigurationType>
+ <CharacterSet>NotSet</CharacterSet>
+ </PropertyGroup>
+ <Import Project="$(VCTargetsPath)\Microsoft.Cpp.props" />
+ <ImportGroup Label="ExtensionSettings">
+ </ImportGroup>
+ <ImportGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'" Label="PropertySheets">
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+ <AdditionalIncludeDirectories>$(ProjectDir)/..;$(ProjectDir)/../..;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
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+ <ClCompile Include="..\Common\debug.cpp" />
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+ <ClCompile Include="libEGL.cpp" />
+ <ClCompile Include="main.cpp" />
+ <ClCompile Include="Surface.cpp" />
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+ <ClInclude Include="..\include\EGL\eglplatform.h" />
+ <ClInclude Include="Config.h" />
+ <ClInclude Include="Display.h" />
+ <ClInclude Include="main.h" />
+ <ClInclude Include="resource.h" />
+ <ClInclude Include="Surface.h" />
+ </ItemGroup>
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+ <None Include="libEGL.def" />
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+ <ResourceCompile Include="libEGL.rc" />
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+ <ImportGroup Label="ExtensionTargets">
+ </ImportGroup>
+</Project>
\ No newline at end of file
diff --git a/src/GLES2/libEGL/libEGL.vcxproj.filters b/src/GLES2/libEGL/libEGL.vcxproj.filters
new file mode 100644
index 0000000..44a6a98
--- /dev/null
+++ b/src/GLES2/libEGL/libEGL.vcxproj.filters
@@ -0,0 +1,68 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Project ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+ <ItemGroup>
+ <Filter Include="Source Files">
+ <UniqueIdentifier>{4FC737F1-C7A5-4376-A066-2A32D752A2FF}</UniqueIdentifier>
+ <Extensions>cpp;c;cc;cxx;def;odl;idl;hpj;bat;asm;asmx</Extensions>
+ </Filter>
+ <Filter Include="Header Files">
+ <UniqueIdentifier>{93995380-89BD-4b04-88EB-625FBE52EBFB}</UniqueIdentifier>
+ <Extensions>h;hpp;hxx;hm;inl;inc;xsd</Extensions>
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+ <ClCompile Include="Config.cpp">
+ <Filter>Source Files</Filter>
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+ <ClCompile Include="..\Common\debug.cpp">
+ <Filter>Source Files</Filter>
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+ <ClCompile Include="Display.cpp">
+ <Filter>Source Files</Filter>
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+ <ClCompile Include="libEGL.cpp">
+ <Filter>Source Files</Filter>
+ </ClCompile>
+ <ClCompile Include="main.cpp">
+ <Filter>Source Files</Filter>
+ </ClCompile>
+ <ClCompile Include="Surface.cpp">
+ <Filter>Source Files</Filter>
+ </ClCompile>
+ </ItemGroup>
+ <ItemGroup>
+ <ClInclude Include="Config.h">
+ <Filter>Header Files</Filter>
+ </ClInclude>
+ <ClInclude Include="Display.h">
+ <Filter>Header Files</Filter>
+ </ClInclude>
+ <ClInclude Include="main.h">
+ <Filter>Header Files</Filter>
+ </ClInclude>
+ <ClInclude Include="resource.h">
+ <Filter>Header Files</Filter>
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+ <ClInclude Include="Surface.h">
+ <Filter>Header Files</Filter>
+ </ClInclude>
+ <ClInclude Include="..\include\EGL\egl.h">
+ <Filter>Header Files</Filter>
+ </ClInclude>
+ <ClInclude Include="..\include\EGL\eglext.h">
+ <Filter>Header Files</Filter>
+ </ClInclude>
+ <ClInclude Include="..\include\EGL\eglplatform.h">
+ <Filter>Header Files</Filter>
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+ <ClInclude Include="..\common\debug.h">
+ <Filter>Header Files</Filter>
+ </ClInclude>
+ </ItemGroup>
+ <ItemGroup>
+ <ResourceCompile Include="libEGL.rc" />
+ </ItemGroup>
+ <ItemGroup>
+ <None Include="libEGL.def" />
+ </ItemGroup>
+</Project>
\ No newline at end of file
diff --git a/src/GLES2/libEGL/main.cpp b/src/GLES2/libEGL/main.cpp
new file mode 100644
index 0000000..aeef1ec
--- /dev/null
+++ b/src/GLES2/libEGL/main.cpp
@@ -0,0 +1,248 @@
+// SwiftShader Software Renderer
+//
+// Copyright(c) 2005-2012 TransGaming Inc.
+//
+// All rights reserved. No part of this software may be copied, distributed, transmitted,
+// transcribed, stored in a retrieval system, translated into any human or computer
+// language by any means, or disclosed to third parties without the explicit written
+// agreement of TransGaming Inc. Without such an agreement, no rights or licenses, express
+// or implied, including but not limited to any patent rights, are granted to you.
+//
+
+// main.cpp: DLL entry point and management of thread-local data.
+
+#include "main.h"
+
+#include "Common/Thread.hpp"
+#include "Common/SharedLibrary.hpp"
+#include "common/debug.h"
+
+static sw::Thread::LocalStorageKey currentTLS = TLS_OUT_OF_INDEXES;
+
+#if !defined(_MSC_VER)
+#define CONSTRUCTOR __attribute__((constructor))
+#define DESTRUCTOR __attribute__((destructor))
+#else
+#define CONSTRUCTOR
+#define DESTRUCTOR
+#endif
+
+static void eglAttachThread()
+{
+ TRACE("()");
+
+ egl::Current *current = new egl::Current;
+
+ if(current)
+ {
+ sw::Thread::setLocalStorage(currentTLS, current);
+
+ current->error = EGL_SUCCESS;
+ current->API = EGL_OPENGL_ES_API;
+ current->display = EGL_NO_DISPLAY;
+ current->drawSurface = EGL_NO_SURFACE;
+ current->readSurface = EGL_NO_SURFACE;
+ }
+}
+
+static void eglDetachThread()
+{
+ TRACE("()");
+
+ egl::Current *current = (egl::Current*)sw::Thread::getLocalStorage(currentTLS);
+
+ if(current)
+ {
+ delete current;
+ }
+}
+
+CONSTRUCTOR static bool eglAttachProcess()
+{
+ TRACE("()");
+
+ #if !defined(ANGLE_DISABLE_TRACE)
+ FILE *debug = fopen(TRACE_OUTPUT_FILE, "rt");
+
+ if(debug)
+ {
+ fclose(debug);
+ debug = fopen(TRACE_OUTPUT_FILE, "wt"); // Erase
+ fclose(debug);
+ }
+ #endif
+
+ currentTLS = sw::Thread::allocateLocalStorageKey();
+
+ if(currentTLS == TLS_OUT_OF_INDEXES)
+ {
+ return false;
+ }
+
+ eglAttachThread();
+
+ #if defined(_WIN32)
+ const char *libGLESv2_lib = "libGLESv2.dll";
+ #else
+ const char *libGLESv2_lib = "libGLESv2.so";
+ #endif
+
+ libGLESv2 = loadLibrary(libGLESv2_lib);
+ gl::createDevice = (gl::Device*(*)())getProcAddress(libGLESv2, "createDevice");
+ gl::createContext = (gl::Context *(*)(const egl::Config*, const gl::Context*))getProcAddress(libGLESv2, "glCreateContext");
+ gl::destroyContext = (void (*)(gl::Context*))getProcAddress(libGLESv2, "glDestroyContext");
+ gl::makeCurrent = (void (*)(gl::Context*, egl::Display*, egl::Surface*))getProcAddress(libGLESv2, "glMakeCurrent");
+ gl::getCurrentContext = (gl::Context *(*)())getProcAddress(libGLESv2, "glGetCurrentContext");
+ gl::getProcAddress = (__eglMustCastToProperFunctionPointerType (*)(const char*))getProcAddress(libGLESv2, "glGetProcAddress");
+ gl::createBackBuffer = (gl::Image *(*)(int, int, const egl::Config*))getProcAddress(libGLESv2, "createBackBuffer");
+ gl::createFrameBuffer = (sw::FrameBuffer *(*)(EGLNativeWindowType, int, int))getProcAddress(libGLESv2, "createFrameBuffer");
+
+ return libGLESv2 != 0;
+}
+
+DESTRUCTOR static void eglDetachProcess()
+{
+ TRACE("()");
+
+ eglDetachThread();
+ sw::Thread::freeLocalStorageKey(currentTLS);
+ freeLibrary(libGLESv2);
+}
+
+#if defined(_WIN32)
+extern "C" BOOL WINAPI DllMain(HINSTANCE instance, DWORD reason, LPVOID reserved)
+{
+ switch(reason)
+ {
+ case DLL_PROCESS_ATTACH:
+ return eglAttachProcess();
+ break;
+ case DLL_THREAD_ATTACH:
+ eglAttachThread();
+ break;
+ case DLL_THREAD_DETACH:
+ eglDetachThread();
+ break;
+ case DLL_PROCESS_DETACH:
+ eglDetachProcess();
+ break;
+ default:
+ break;
+ }
+
+ return TRUE;
+}
+#endif
+
+namespace egl
+{
+void setCurrentError(EGLint error)
+{
+ Current *current = (Current*)sw::Thread::getLocalStorage(currentTLS);
+
+ current->error = error;
+}
+
+EGLint getCurrentError()
+{
+ Current *current = (Current*)sw::Thread::getLocalStorage(currentTLS);
+
+ return current->error;
+}
+
+void setCurrentAPI(EGLenum API)
+{
+ Current *current = (Current*)sw::Thread::getLocalStorage(currentTLS);
+
+ current->API = API;
+}
+
+EGLenum getCurrentAPI()
+{
+ Current *current = (Current*)sw::Thread::getLocalStorage(currentTLS);
+
+ return current->API;
+}
+
+void setCurrentDisplay(EGLDisplay dpy)
+{
+ Current *current = (Current*)sw::Thread::getLocalStorage(currentTLS);
+
+ current->display = dpy;
+}
+
+EGLDisplay getCurrentDisplay()
+{
+ Current *current = (Current*)sw::Thread::getLocalStorage(currentTLS);
+
+ return current->display;
+}
+
+void setCurrentDrawSurface(EGLSurface surface)
+{
+ Current *current = (Current*)sw::Thread::getLocalStorage(currentTLS);
+
+ current->drawSurface = surface;
+}
+
+EGLSurface getCurrentDrawSurface()
+{
+ Current *current = (Current*)sw::Thread::getLocalStorage(currentTLS);
+
+ return current->drawSurface;
+}
+
+void setCurrentReadSurface(EGLSurface surface)
+{
+ Current *current = (Current*)sw::Thread::getLocalStorage(currentTLS);
+
+ current->readSurface = surface;
+}
+
+EGLSurface getCurrentReadSurface()
+{
+ Current *current = (Current*)sw::Thread::getLocalStorage(currentTLS);
+
+ return current->readSurface;
+}
+}
+
+void error(EGLint errorCode)
+{
+ egl::setCurrentError(errorCode);
+
+ switch(errorCode)
+ {
+ case EGL_SUCCESS: break;
+ case EGL_NOT_INITIALIZED: TRACE("\t! Error generated: not initialized\n"); break;
+ case EGL_BAD_ACCESS: TRACE("\t! Error generated: bad access\n"); break;
+ case EGL_BAD_ALLOC: TRACE("\t! Error generated: bad alloc\n"); break;
+ case EGL_BAD_ATTRIBUTE: TRACE("\t! Error generated: bad attribute\n"); break;
+ case EGL_BAD_CONFIG: TRACE("\t! Error generated: bad config\n"); break;
+ case EGL_BAD_CONTEXT: TRACE("\t! Error generated: bad context\n"); break;
+ case EGL_BAD_CURRENT_SURFACE: TRACE("\t! Error generated: bad current surface\n"); break;
+ case EGL_BAD_DISPLAY: TRACE("\t! Error generated: bad display\n"); break;
+ case EGL_BAD_MATCH: TRACE("\t! Error generated: bad match\n"); break;
+ case EGL_BAD_NATIVE_PIXMAP: TRACE("\t! Error generated: bad native pixmap\n"); break;
+ case EGL_BAD_NATIVE_WINDOW: TRACE("\t! Error generated: bad native window\n"); break;
+ case EGL_BAD_PARAMETER: TRACE("\t! Error generated: bad parameter\n"); break;
+ case EGL_BAD_SURFACE: TRACE("\t! Error generated: bad surface\n"); break;
+ case EGL_CONTEXT_LOST: TRACE("\t! Error generated: context lost\n"); break;
+ default: TRACE("\t! Error generated: <0x%X>\n", errorCode); break;
+ }
+}
+
+namespace gl
+{
+ Device *(*createDevice)() = 0;
+ Context *(*createContext)(const egl::Config *config, const Context *shareContext) = 0;
+ void (*destroyContext)(Context *context) = 0;
+ void (*bindTexImage)(egl::Surface *surface) = 0;
+ void (*makeCurrent)(Context *context, egl::Display *display, egl::Surface *surface) = 0;
+ Context *(*getCurrentContext)() = 0;
+ __eglMustCastToProperFunctionPointerType (*getProcAddress)(const char *procname) = 0;
+ Image *(*createBackBuffer)(int width, int height, const egl::Config *config) = 0;
+ sw::FrameBuffer *(*createFrameBuffer)(EGLNativeWindowType window, int width, int height) = 0;
+}
+
+void *libGLESv2 = 0; // Handle to the libGLESv2 module
\ No newline at end of file
diff --git a/src/GLES2/libEGL/main.h b/src/GLES2/libEGL/main.h
new file mode 100644
index 0000000..b8995db
--- /dev/null
+++ b/src/GLES2/libEGL/main.h
@@ -0,0 +1,98 @@
+// SwiftShader Software Renderer
+//
+// Copyright(c) 2005-2012 TransGaming Inc.
+//
+// All rights reserved. No part of this software may be copied, distributed, transmitted,
+// transcribed, stored in a retrieval system, translated into any human or computer
+// language by any means, or disclosed to third parties without the explicit written
+// agreement of TransGaming Inc. Without such an agreement, no rights or licenses, express
+// or implied, including but not limited to any patent rights, are granted to you.
+//
+
+// main.h: Management of thread-local data.
+
+#ifndef LIBEGL_MAIN_H_
+#define LIBEGL_MAIN_H_
+
+#define EGLAPI
+#include <EGL/egl.h>
+#include <EGL/eglext.h>
+
+namespace egl
+{
+ struct Current
+ {
+ EGLint error;
+ EGLenum API;
+ EGLDisplay display;
+ EGLSurface drawSurface;
+ EGLSurface readSurface;
+ };
+
+ void setCurrentError(EGLint error);
+ EGLint getCurrentError();
+
+ void setCurrentAPI(EGLenum API);
+ EGLenum getCurrentAPI();
+
+ void setCurrentDisplay(EGLDisplay dpy);
+ EGLDisplay getCurrentDisplay();
+
+ void setCurrentDrawSurface(EGLSurface surface);
+ EGLSurface getCurrentDrawSurface();
+
+ void setCurrentReadSurface(EGLSurface surface);
+ EGLSurface getCurrentReadSurface();
+}
+
+void error(EGLint errorCode);
+
+template<class T>
+const T &error(EGLint errorCode, const T &returnValue)
+{
+ error(errorCode);
+
+ return returnValue;
+}
+
+template<class T>
+const T &success(const T &returnValue)
+{
+ egl::setCurrentError(EGL_SUCCESS);
+
+ return returnValue;
+}
+
+namespace egl
+{
+ class Config;
+ class Surface;
+ class Display;
+}
+
+namespace sw
+{
+ class FrameBuffer;
+}
+
+// libGLESv2 dependencies
+namespace gl
+{
+ class Device;
+ class Context;
+ class Image;
+
+ extern Device *(*createDevice)();
+ extern Context *(*createContext)(const egl::Config *config, const Context *shareContext);
+ extern void (*destroyContext)(Context *context);
+ extern void (*bindTexImage)(egl::Surface *surface);
+ extern void (*makeCurrent)(Context *context, egl::Display *display, egl::Surface *surface);
+ extern Context *(*getCurrentContext)();
+ extern __eglMustCastToProperFunctionPointerType (*getProcAddress)(const char *procname);
+ extern Image *(*createBackBuffer)(int width, int height, const egl::Config *config);
+ extern sw::FrameBuffer *(*createFrameBuffer)(EGLNativeWindowType window, int width, int height);
+}
+
+extern void *libGLESv2; // Handle to the libGLESv2 module
+
+#endif // LIBEGL_MAIN_H_
diff --git a/src/GLES2/libEGL/resource.h b/src/GLES2/libEGL/resource.h
new file mode 100644
index 0000000..3921f4c
--- /dev/null
+++ b/src/GLES2/libEGL/resource.h
@@ -0,0 +1,14 @@
+//{{NO_DEPENDENCIES}}
+// Microsoft Visual C++ generated include file.
+// Used by libEGL.rc
+
+// Next default values for new objects
+//
+#ifdef APSTUDIO_INVOKED
+#ifndef APSTUDIO_READONLY_SYMBOLS
+#define _APS_NEXT_RESOURCE_VALUE 101
+#define _APS_NEXT_COMMAND_VALUE 40001
+#define _APS_NEXT_CONTROL_VALUE 1001
+#define _APS_NEXT_SYMED_VALUE 101
+#endif
+#endif
diff --git a/src/GLES2/libGLESv2/Buffer.cpp b/src/GLES2/libGLESv2/Buffer.cpp
new file mode 100644
index 0000000..e98d8eb
--- /dev/null
+++ b/src/GLES2/libGLESv2/Buffer.cpp
@@ -0,0 +1,88 @@
+// SwiftShader Software Renderer
+//
+// Copyright(c) 2005-2013 TransGaming Inc.
+//
+// All rights reserved. No part of this software may be copied, distributed, transmitted,
+// transcribed, stored in a retrieval system, translated into any human or computer
+// language by any means, or disclosed to third parties without the explicit written
+// agreement of TransGaming Inc. Without such an agreement, no rights or licenses, express
+// or implied, including but not limited to any patent rights, are granted to you.
+//
+
+// Buffer.cpp: Implements the Buffer class, representing storage of vertex and/or
+// index data. Implements GL buffer objects and related functionality.
+// [OpenGL ES 2.0.24] section 2.9 page 21.
+
+#include "Buffer.h"
+
+#include "main.h"
+#include "VertexDataManager.h"
+#include "IndexDataManager.h"
+
+namespace gl
+{
+
+Buffer::Buffer(GLuint id) : RefCountObject(id)
+{
+ mContents = 0;
+ mSize = 0;
+ mUsage = GL_DYNAMIC_DRAW;
+}
+
+Buffer::~Buffer()
+{
+ if(mContents)
+ {
+ mContents->destruct();
+ }
+}
+
+void Buffer::bufferData(const void *data, GLsizeiptr size, GLenum usage)
+{
+ if(mContents)
+ {
+ mContents->destruct();
+ mContents = 0;
+ }
+
+ mSize = size;
+ mUsage = usage;
+
+ if(size > 0)
+ {
+ const int padding = 1024; // For SIMD processing of vertices
+ mContents = new sw::Resource(size + padding);
+
+ if(!mContents)
+ {
+ return error(GL_OUT_OF_MEMORY);
+ }
+
+ if(data)
+ {
+ memcpy((void*)mContents->getBuffer(), data, size);
+ memset((char*)mContents->getBuffer() + size, 0, padding);
+ }
+ else
+ {
+ memset((void*)mContents->getBuffer(), 0, size + padding);
+ }
+ }
+}
+
+void Buffer::bufferSubData(const void *data, GLsizeiptr size, GLintptr offset)
+{
+ if(mContents)
+ {
+ char *buffer = (char*)mContents->lock(sw::PUBLIC);
+ memcpy(buffer + offset, data, size);
+ mContents->unlock();
+ }
+}
+
+sw::Resource *Buffer::getResource()
+{
+ return mContents;
+}
+
+}
diff --git a/src/GLES2/libGLESv2/Buffer.h b/src/GLES2/libGLESv2/Buffer.h
new file mode 100644
index 0000000..91580e6
--- /dev/null
+++ b/src/GLES2/libGLESv2/Buffer.h
@@ -0,0 +1,54 @@
+// SwiftShader Software Renderer
+//
+// Copyright(c) 2005-2012 TransGaming Inc.
+//
+// All rights reserved. No part of this software may be copied, distributed, transmitted,
+// transcribed, stored in a retrieval system, translated into any human or computer
+// language by any means, or disclosed to third parties without the explicit written
+// agreement of TransGaming Inc. Without such an agreement, no rights or licenses, express
+// or implied, including but not limited to any patent rights, are granted to you.
+//
+
+// Buffer.h: Defines the Buffer class, representing storage of vertex and/or
+// index data. Implements GL buffer objects and related functionality.
+// [OpenGL ES 2.0.24] section 2.9 page 21.
+
+#ifndef LIBGLESV2_BUFFER_H_
+#define LIBGLESV2_BUFFER_H_
+
+#include "RefCountObject.h"
+#include "Common/Resource.hpp"
+
+#define GL_APICALL
+#include <GLES2/gl2.h>
+
+#include <cstddef>
+#include <vector>
+
+namespace gl
+{
+class Buffer : public RefCountObject
+{
+ public:
+ explicit Buffer(GLuint id);
+
+ virtual ~Buffer();
+
+ void bufferData(const void *data, GLsizeiptr size, GLenum usage);
+ void bufferSubData(const void *data, GLsizeiptr size, GLintptr offset);
+
+ const void *data() { return mContents ? mContents->getBuffer() : 0; }
+ size_t size() const { return mSize; }
+ GLenum usage() const { return mUsage; }
+
+ sw::Resource *getResource();
+
+ private:
+ sw::Resource *mContents;
+ size_t mSize;
+ GLenum mUsage;
+};
+
+}
+
+#endif // LIBGLESV2_BUFFER_H_
diff --git a/src/GLES2/libGLESv2/Context.cpp b/src/GLES2/libGLESv2/Context.cpp
new file mode 100644
index 0000000..445962c
--- /dev/null
+++ b/src/GLES2/libGLESv2/Context.cpp
@@ -0,0 +1,3075 @@
+// SwiftShader Software Renderer
+//
+// Copyright(c) 2005-2013 TransGaming Inc.
+//
+// All rights reserved. No part of this software may be copied, distributed, transmitted,
+// transcribed, stored in a retrieval system, translated into any human or computer
+// language by any means, or disclosed to third parties without the explicit written
+// agreement of TransGaming Inc. Without such an agreement, no rights or licenses, express
+// or implied, including but not limited to any patent rights, are granted to you.
+//
+
+// Context.cpp: Implements the gl::Context class, managing all GL state and performing
+// rendering operations. It is the GLES2 specific implementation of EGLContext.
+
+#include "Context.h"
+
+#include "main.h"
+#include "mathutil.h"
+#include "utilities.h"
+#include "ResourceManager.h"
+#include "Buffer.h"
+#include "Fence.h"
+#include "Framebuffer.h"
+#include "Program.h"
+#include "Query.h"
+#include "Renderbuffer.h"
+#include "Shader.h"
+#include "Texture.h"
+#include "VertexDataManager.h"
+#include "IndexDataManager.h"
+#include "libEGL/Display.h"
+#include "Common/Half.hpp"
+
+#undef near
+#undef far
+
+namespace gl
+{
+Context::Context(const egl::Config *config, const Context *shareContext) : mConfig(config)
+{
+ mFenceHandleAllocator.setBaseHandle(0);
+
+ setClearColor(0.0f, 0.0f, 0.0f, 0.0f);
+
+ mState.depthClearValue = 1.0f;
+ mState.stencilClearValue = 0;
+
+ mState.cullFace = false;
+ mState.cullMode = GL_BACK;
+ mState.frontFace = GL_CCW;
+ mState.depthTest = false;
+ mState.depthFunc = GL_LESS;
+ mState.blend = false;
+ mState.sourceBlendRGB = GL_ONE;
+ mState.sourceBlendAlpha = GL_ONE;
+ mState.destBlendRGB = GL_ZERO;
+ mState.destBlendAlpha = GL_ZERO;
+ mState.blendEquationRGB = GL_FUNC_ADD;
+ mState.blendEquationAlpha = GL_FUNC_ADD;
+ mState.blendColor.red = 0;
+ mState.blendColor.green = 0;
+ mState.blendColor.blue = 0;
+ mState.blendColor.alpha = 0;
+ mState.stencilTest = false;
+ mState.stencilFunc = GL_ALWAYS;
+ mState.stencilRef = 0;
+ mState.stencilMask = -1;
+ mState.stencilWritemask = -1;
+ mState.stencilBackFunc = GL_ALWAYS;
+ mState.stencilBackRef = 0;
+ mState.stencilBackMask = - 1;
+ mState.stencilBackWritemask = -1;
+ mState.stencilFail = GL_KEEP;
+ mState.stencilPassDepthFail = GL_KEEP;
+ mState.stencilPassDepthPass = GL_KEEP;
+ mState.stencilBackFail = GL_KEEP;
+ mState.stencilBackPassDepthFail = GL_KEEP;
+ mState.stencilBackPassDepthPass = GL_KEEP;
+ mState.polygonOffsetFill = false;
+ mState.polygonOffsetFactor = 0.0f;
+ mState.polygonOffsetUnits = 0.0f;
+ mState.sampleAlphaToCoverage = false;
+ mState.sampleCoverage = false;
+ mState.sampleCoverageValue = 1.0f;
+ mState.sampleCoverageInvert = false;
+ mState.scissorTest = false;
+ mState.dither = true;
+ mState.generateMipmapHint = GL_DONT_CARE;
+ mState.fragmentShaderDerivativeHint = GL_DONT_CARE;
+
+ mState.lineWidth = 1.0f;
+
+ mState.viewportX = 0;
+ mState.viewportY = 0;
+ mState.viewportWidth = config->mDisplayMode.width;
+ mState.viewportHeight = config->mDisplayMode.height;
+ mState.zNear = 0.0f;
+ mState.zFar = 1.0f;
+
+ mState.scissorX = 0;
+ mState.scissorY = 0;
+ mState.scissorWidth = config->mDisplayMode.width;
+ mState.scissorHeight = config->mDisplayMode.height;
+
+ mState.colorMaskRed = true;
+ mState.colorMaskGreen = true;
+ mState.colorMaskBlue = true;
+ mState.colorMaskAlpha = true;
+ mState.depthMask = true;
+
+ if(shareContext != NULL)
+ {
+ mResourceManager = shareContext->mResourceManager;
+ mResourceManager->addRef();
+ }
+ else
+ {
+ mResourceManager = new ResourceManager();
+ }
+
+ // [OpenGL ES 2.0.24] section 3.7 page 83:
+ // In the initial state, TEXTURE_2D and TEXTURE_CUBE_MAP have twodimensional
+ // and cube map texture state vectors respectively associated with them.
+ // In order that access to these initial textures not be lost, they are treated as texture
+ // objects all of whose names are 0.
+
+ mTexture2DZero.set(new Texture2D(0));
+ mTextureCubeMapZero.set(new TextureCubeMap(0));
+
+ mState.activeSampler = 0;
+ bindArrayBuffer(0);
+ bindElementArrayBuffer(0);
+ bindTextureCubeMap(0);
+ bindTexture2D(0);
+ bindReadFramebuffer(0);
+ bindDrawFramebuffer(0);
+ bindRenderbuffer(0);
+
+ mState.currentProgram = 0;
+
+ mState.packAlignment = 4;
+ mState.unpackAlignment = 4;
+
+ mVertexDataManager = NULL;
+ mIndexDataManager = NULL;
+
+ mInvalidEnum = false;
+ mInvalidValue = false;
+ mInvalidOperation = false;
+ mOutOfMemory = false;
+ mInvalidFramebufferOperation = false;
+
+ mHasBeenCurrent = false;
+
+ markAllStateDirty();
+}
+
+Context::~Context()
+{
+ if(mState.currentProgram != 0)
+ {
+ Program *programObject = mResourceManager->getProgram(mState.currentProgram);
+ if(programObject)
+ {
+ programObject->release();
+ }
+ mState.currentProgram = 0;
+ }
+
+ while(!mFramebufferMap.empty())
+ {
+ deleteFramebuffer(mFramebufferMap.begin()->first);
+ }
+
+ while(!mFenceMap.empty())
+ {
+ deleteFence(mFenceMap.begin()->first);
+ }
+
+ while(!mQueryMap.empty())
+ {
+ deleteQuery(mQueryMap.begin()->first);
+ }
+
+ for(int type = 0; type < TEXTURE_TYPE_COUNT; type++)
+ {
+ for(int sampler = 0; sampler < MAX_COMBINED_TEXTURE_IMAGE_UNITS; sampler++)
+ {
+ mState.samplerTexture[type][sampler].set(NULL);
+ }
+ }
+
+ for(int i = 0; i < MAX_VERTEX_ATTRIBS; i++)
+ {
+ mState.vertexAttribute[i].mBoundBuffer.set(NULL);
+ }
+
+ for(int i = 0; i < QUERY_TYPE_COUNT; i++)
+ {
+ mState.activeQuery[i].set(NULL);
+ }
+
+ mState.arrayBuffer.set(NULL);
+ mState.elementArrayBuffer.set(NULL);
+ mState.renderbuffer.set(NULL);
+
+ mTexture2DZero.set(NULL);
+ mTextureCubeMapZero.set(NULL);
+
+ delete mVertexDataManager;
+ delete mIndexDataManager;
+
+ mResourceManager->release();
+}
+
+void Context::makeCurrent(egl::Display *display, egl::Surface *surface)
+{
+ Device *device = display->getDevice();
+
+ if(!mHasBeenCurrent)
+ {
+ mVertexDataManager = new VertexDataManager(this);
+ mIndexDataManager = new IndexDataManager();
+
+ const sw::Format renderBufferFormats[] =
+ {
+ sw::FORMAT_A8R8G8B8,
+ sw::FORMAT_X8R8G8B8,
+ sw::FORMAT_R5G6B5,
+ sw::FORMAT_D24S8
+ };
+
+ initExtensionString();
+
+ mState.viewportX = 0;
+ mState.viewportY = 0;
+ mState.viewportWidth = surface->getWidth();
+ mState.viewportHeight = surface->getHeight();
+
+ mState.scissorX = 0;
+ mState.scissorY = 0;
+ mState.scissorWidth = surface->getWidth();
+ mState.scissorHeight = surface->getHeight();
+
+ mHasBeenCurrent = true;
+ }
+
+ // Wrap the existing resources into GL objects and assign them to the '0' names
+ Image *defaultRenderTarget = surface->getRenderTarget();
+ Image *depthStencil = surface->getDepthStencil();
+
+ Colorbuffer *colorbufferZero = new Colorbuffer(defaultRenderTarget);
+ DepthStencilbuffer *depthStencilbufferZero = new DepthStencilbuffer(depthStencil);
+ Framebuffer *framebufferZero = new DefaultFramebuffer(colorbufferZero, depthStencilbufferZero);
+
+ setFramebufferZero(framebufferZero);
+
+ if(defaultRenderTarget)
+ {
+ defaultRenderTarget->release();
+ }
+
+ if(depthStencil)
+ {
+ depthStencil->release();
+ }
+
+ markAllStateDirty();
+}
+
+// This function will set all of the state-related dirty flags, so that all state is set during next pre-draw.
+void Context::markAllStateDirty()
+{
+ mAppliedProgramSerial = 0;
+
+ mDepthStateDirty = true;
+ mMaskStateDirty = true;
+ mBlendStateDirty = true;
+ mStencilStateDirty = true;
+ mPolygonOffsetStateDirty = true;
+ mSampleStateDirty = true;
+ mDitherStateDirty = true;
+ mFrontFaceDirty = true;
+}
+
+void Context::setClearColor(float red, float green, float blue, float alpha)
+{
+ mState.colorClearValue.red = red;
+ mState.colorClearValue.green = green;
+ mState.colorClearValue.blue = blue;
+ mState.colorClearValue.alpha = alpha;
+}
+
+void Context::setClearDepth(float depth)
+{
+ mState.depthClearValue = depth;
+}
+
+void Context::setClearStencil(int stencil)
+{
+ mState.stencilClearValue = stencil;
+}
+
+void Context::setCullFace(bool enabled)
+{
+ mState.cullFace = enabled;
+}
+
+bool Context::isCullFaceEnabled() const
+{
+ return mState.cullFace;
+}
+
+void Context::setCullMode(GLenum mode)
+{
+ mState.cullMode = mode;
+}
+
+void Context::setFrontFace(GLenum front)
+{
+ if(mState.frontFace != front)
+ {
+ mState.frontFace = front;
+ mFrontFaceDirty = true;
+ }
+}
+
+void Context::setDepthTest(bool enabled)
+{
+ if(mState.depthTest != enabled)
+ {
+ mState.depthTest = enabled;
+ mDepthStateDirty = true;
+ }
+}
+
+bool Context::isDepthTestEnabled() const
+{
+ return mState.depthTest;
+}
+
+void Context::setDepthFunc(GLenum depthFunc)
+{
+ if(mState.depthFunc != depthFunc)
+ {
+ mState.depthFunc = depthFunc;
+ mDepthStateDirty = true;
+ }
+}
+
+void Context::setDepthRange(float zNear, float zFar)
+{
+ mState.zNear = zNear;
+ mState.zFar = zFar;
+}
+
+void Context::setBlend(bool enabled)
+{
+ if(mState.blend != enabled)
+ {
+ mState.blend = enabled;
+ mBlendStateDirty = true;
+ }
+}
+
+bool Context::isBlendEnabled() const
+{
+ return mState.blend;
+}
+
+void Context::setBlendFactors(GLenum sourceRGB, GLenum destRGB, GLenum sourceAlpha, GLenum destAlpha)
+{
+ if(mState.sourceBlendRGB != sourceRGB ||
+ mState.sourceBlendAlpha != sourceAlpha ||
+ mState.destBlendRGB != destRGB ||
+ mState.destBlendAlpha != destAlpha)
+ {
+ mState.sourceBlendRGB = sourceRGB;
+ mState.destBlendRGB = destRGB;
+ mState.sourceBlendAlpha = sourceAlpha;
+ mState.destBlendAlpha = destAlpha;
+ mBlendStateDirty = true;
+ }
+}
+
+void Context::setBlendColor(float red, float green, float blue, float alpha)
+{
+ if(mState.blendColor.red != red ||
+ mState.blendColor.green != green ||
+ mState.blendColor.blue != blue ||
+ mState.blendColor.alpha != alpha)
+ {
+ mState.blendColor.red = red;
+ mState.blendColor.green = green;
+ mState.blendColor.blue = blue;
+ mState.blendColor.alpha = alpha;
+ mBlendStateDirty = true;
+ }
+}
+
+void Context::setBlendEquation(GLenum rgbEquation, GLenum alphaEquation)
+{
+ if(mState.blendEquationRGB != rgbEquation ||
+ mState.blendEquationAlpha != alphaEquation)
+ {
+ mState.blendEquationRGB = rgbEquation;
+ mState.blendEquationAlpha = alphaEquation;
+ mBlendStateDirty = true;
+ }
+}
+
+void Context::setStencilTest(bool enabled)
+{
+ if(mState.stencilTest != enabled)
+ {
+ mState.stencilTest = enabled;
+ mStencilStateDirty = true;
+ }
+}
+
+bool Context::isStencilTestEnabled() const
+{
+ return mState.stencilTest;
+}
+
+void Context::setStencilParams(GLenum stencilFunc, GLint stencilRef, GLuint stencilMask)
+{
+ if(mState.stencilFunc != stencilFunc ||
+ mState.stencilRef != stencilRef ||
+ mState.stencilMask != stencilMask)
+ {
+ mState.stencilFunc = stencilFunc;
+ mState.stencilRef = (stencilRef > 0) ? stencilRef : 0;
+ mState.stencilMask = stencilMask;
+ mStencilStateDirty = true;
+ }
+}
+
+void Context::setStencilBackParams(GLenum stencilBackFunc, GLint stencilBackRef, GLuint stencilBackMask)
+{
+ if(mState.stencilBackFunc != stencilBackFunc ||
+ mState.stencilBackRef != stencilBackRef ||
+ mState.stencilBackMask != stencilBackMask)
+ {
+ mState.stencilBackFunc = stencilBackFunc;
+ mState.stencilBackRef = (stencilBackRef > 0) ? stencilBackRef : 0;
+ mState.stencilBackMask = stencilBackMask;
+ mStencilStateDirty = true;
+ }
+}
+
+void Context::setStencilWritemask(GLuint stencilWritemask)
+{
+ if(mState.stencilWritemask != stencilWritemask)
+ {
+ mState.stencilWritemask = stencilWritemask;
+ mStencilStateDirty = true;
+ }
+}
+
+void Context::setStencilBackWritemask(GLuint stencilBackWritemask)
+{
+ if(mState.stencilBackWritemask != stencilBackWritemask)
+ {
+ mState.stencilBackWritemask = stencilBackWritemask;
+ mStencilStateDirty = true;
+ }
+}
+
+void Context::setStencilOperations(GLenum stencilFail, GLenum stencilPassDepthFail, GLenum stencilPassDepthPass)
+{
+ if(mState.stencilFail != stencilFail ||
+ mState.stencilPassDepthFail != stencilPassDepthFail ||
+ mState.stencilPassDepthPass != stencilPassDepthPass)
+ {
+ mState.stencilFail = stencilFail;
+ mState.stencilPassDepthFail = stencilPassDepthFail;
+ mState.stencilPassDepthPass = stencilPassDepthPass;
+ mStencilStateDirty = true;
+ }
+}
+
+void Context::setStencilBackOperations(GLenum stencilBackFail, GLenum stencilBackPassDepthFail, GLenum stencilBackPassDepthPass)
+{
+ if(mState.stencilBackFail != stencilBackFail ||
+ mState.stencilBackPassDepthFail != stencilBackPassDepthFail ||
+ mState.stencilBackPassDepthPass != stencilBackPassDepthPass)
+ {
+ mState.stencilBackFail = stencilBackFail;
+ mState.stencilBackPassDepthFail = stencilBackPassDepthFail;
+ mState.stencilBackPassDepthPass = stencilBackPassDepthPass;
+ mStencilStateDirty = true;
+ }
+}
+
+void Context::setPolygonOffsetFill(bool enabled)
+{
+ if(mState.polygonOffsetFill != enabled)
+ {
+ mState.polygonOffsetFill = enabled;
+ mPolygonOffsetStateDirty = true;
+ }
+}
+
+bool Context::isPolygonOffsetFillEnabled() const
+{
+ return mState.polygonOffsetFill;
+
+}
+
+void Context::setPolygonOffsetParams(GLfloat factor, GLfloat units)
+{
+ if(mState.polygonOffsetFactor != factor ||
+ mState.polygonOffsetUnits != units)
+ {
+ mState.polygonOffsetFactor = factor;
+ mState.polygonOffsetUnits = units;
+ mPolygonOffsetStateDirty = true;
+ }
+}
+
+void Context::setSampleAlphaToCoverage(bool enabled)
+{
+ if(mState.sampleAlphaToCoverage != enabled)
+ {
+ mState.sampleAlphaToCoverage = enabled;
+ mSampleStateDirty = true;
+ }
+}
+
+bool Context::isSampleAlphaToCoverageEnabled() const
+{
+ return mState.sampleAlphaToCoverage;
+}
+
+void Context::setSampleCoverage(bool enabled)
+{
+ if(mState.sampleCoverage != enabled)
+ {
+ mState.sampleCoverage = enabled;
+ mSampleStateDirty = true;
+ }
+}
+
+bool Context::isSampleCoverageEnabled() const
+{
+ return mState.sampleCoverage;
+}
+
+void Context::setSampleCoverageParams(GLclampf value, bool invert)
+{
+ if(mState.sampleCoverageValue != value ||
+ mState.sampleCoverageInvert != invert)
+ {
+ mState.sampleCoverageValue = value;
+ mState.sampleCoverageInvert = invert;
+ mSampleStateDirty = true;
+ }
+}
+
+void Context::setScissorTest(bool enabled)
+{
+ mState.scissorTest = enabled;
+}
+
+bool Context::isScissorTestEnabled() const
+{
+ return mState.scissorTest;
+}
+
+void Context::setDither(bool enabled)
+{
+ if(mState.dither != enabled)
+ {
+ mState.dither = enabled;
+ mDitherStateDirty = true;
+ }
+}
+
+bool Context::isDitherEnabled() const
+{
+ return mState.dither;
+}
+
+void Context::setLineWidth(GLfloat width)
+{
+ mState.lineWidth = width;
+}
+
+void Context::setGenerateMipmapHint(GLenum hint)
+{
+ mState.generateMipmapHint = hint;
+}
+
+void Context::setFragmentShaderDerivativeHint(GLenum hint)
+{
+ mState.fragmentShaderDerivativeHint = hint;
+ // TODO: Propagate the hint to shader translator so we can write
+ // ddx, ddx_coarse, or ddx_fine depending on the hint.
+ // Ignore for now. It is valid for implementations to ignore hint.
+}
+
+void Context::setViewportParams(GLint x, GLint y, GLsizei width, GLsizei height)
+{
+ mState.viewportX = x;
+ mState.viewportY = y;
+ mState.viewportWidth = width;
+ mState.viewportHeight = height;
+}
+
+void Context::setScissorParams(GLint x, GLint y, GLsizei width, GLsizei height)
+{
+ mState.scissorX = x;
+ mState.scissorY = y;
+ mState.scissorWidth = width;
+ mState.scissorHeight = height;
+}
+
+void Context::setColorMask(bool red, bool green, bool blue, bool alpha)
+{
+ if(mState.colorMaskRed != red || mState.colorMaskGreen != green ||
+ mState.colorMaskBlue != blue || mState.colorMaskAlpha != alpha)
+ {
+ mState.colorMaskRed = red;
+ mState.colorMaskGreen = green;
+ mState.colorMaskBlue = blue;
+ mState.colorMaskAlpha = alpha;
+ mMaskStateDirty = true;
+ }
+}
+
+void Context::setDepthMask(bool mask)
+{
+ if(mState.depthMask != mask)
+ {
+ mState.depthMask = mask;
+ mMaskStateDirty = true;
+ }
+}
+
+void Context::setActiveSampler(unsigned int active)
+{
+ mState.activeSampler = active;
+}
+
+GLuint Context::getReadFramebufferHandle() const
+{
+ return mState.readFramebuffer;
+}
+
+GLuint Context::getDrawFramebufferHandle() const
+{
+ return mState.drawFramebuffer;
+}
+
+GLuint Context::getRenderbufferHandle() const
+{
+ return mState.renderbuffer.id();
+}
+
+GLuint Context::getArrayBufferHandle() const
+{
+ return mState.arrayBuffer.id();
+}
+
+GLuint Context::getActiveQuery(GLenum target) const
+{
+ Query *queryObject = NULL;
+
+ switch(target)
+ {
+ case GL_ANY_SAMPLES_PASSED_EXT:
+ queryObject = mState.activeQuery[QUERY_ANY_SAMPLES_PASSED].get();
+ break;
+ case GL_ANY_SAMPLES_PASSED_CONSERVATIVE_EXT:
+ queryObject = mState.activeQuery[QUERY_ANY_SAMPLES_PASSED_CONSERVATIVE].get();
+ break;
+ default:
+ ASSERT(false);
+ }
+
+ if(queryObject)
+ {
+ return queryObject->id();
+ }
+
+ return 0;
+}
+
+void Context::setEnableVertexAttribArray(unsigned int attribNum, bool enabled)
+{
+ mState.vertexAttribute[attribNum].mArrayEnabled = enabled;
+}
+
+const VertexAttribute &Context::getVertexAttribState(unsigned int attribNum)
+{
+ return mState.vertexAttribute[attribNum];
+}
+
+void Context::setVertexAttribState(unsigned int attribNum, Buffer *boundBuffer, GLint size, GLenum type, bool normalized,
+ GLsizei stride, const void *pointer)
+{
+ mState.vertexAttribute[attribNum].mBoundBuffer.set(boundBuffer);
+ mState.vertexAttribute[attribNum].mSize = size;
+ mState.vertexAttribute[attribNum].mType = type;
+ mState.vertexAttribute[attribNum].mNormalized = normalized;
+ mState.vertexAttribute[attribNum].mStride = stride;
+ mState.vertexAttribute[attribNum].mPointer = pointer;
+}
+
+const void *Context::getVertexAttribPointer(unsigned int attribNum) const
+{
+ return mState.vertexAttribute[attribNum].mPointer;
+}
+
+const VertexAttributeArray &Context::getVertexAttributes()
+{
+ return mState.vertexAttribute;
+}
+
+void Context::setPackAlignment(GLint alignment)
+{
+ mState.packAlignment = alignment;
+}
+
+GLint Context::getPackAlignment() const
+{
+ return mState.packAlignment;
+}
+
+void Context::setUnpackAlignment(GLint alignment)
+{
+ mState.unpackAlignment = alignment;
+}
+
+GLint Context::getUnpackAlignment() const
+{
+ return mState.unpackAlignment;
+}
+
+GLuint Context::createBuffer()
+{
+ return mResourceManager->createBuffer();
+}
+
+GLuint Context::createProgram()
+{
+ return mResourceManager->createProgram();
+}
+
+GLuint Context::createShader(GLenum type)
+{
+ return mResourceManager->createShader(type);
+}
+
+GLuint Context::createTexture()
+{
+ return mResourceManager->createTexture();
+}
+
+GLuint Context::createRenderbuffer()
+{
+ return mResourceManager->createRenderbuffer();
+}
+
+// Returns an unused framebuffer name
+GLuint Context::createFramebuffer()
+{
+ GLuint handle = mFramebufferHandleAllocator.allocate();
+
+ mFramebufferMap[handle] = NULL;
+
+ return handle;
+}
+
+GLuint Context::createFence()
+{
+ GLuint handle = mFenceHandleAllocator.allocate();
+
+ mFenceMap[handle] = new Fence;
+
+ return handle;
+}
+
+// Returns an unused query name
+GLuint Context::createQuery()
+{
+ GLuint handle = mQueryHandleAllocator.allocate();
+
+ mQueryMap[handle] = NULL;
+
+ return handle;
+}
+
+void Context::deleteBuffer(GLuint buffer)
+{
+ if(mResourceManager->getBuffer(buffer))
+ {
+ detachBuffer(buffer);
+ }
+
+ mResourceManager->deleteBuffer(buffer);
+}
+
+void Context::deleteShader(GLuint shader)
+{
+ mResourceManager->deleteShader(shader);
+}
+
+void Context::deleteProgram(GLuint program)
+{
+ mResourceManager->deleteProgram(program);
+}
+
+void Context::deleteTexture(GLuint texture)
+{
+ if(mResourceManager->getTexture(texture))
+ {
+ detachTexture(texture);
+ }
+
+ mResourceManager->deleteTexture(texture);
+}
+
+void Context::deleteRenderbuffer(GLuint renderbuffer)
+{
+ if(mResourceManager->getRenderbuffer(renderbuffer))
+ {
+ detachRenderbuffer(renderbuffer);
+ }
+
+ mResourceManager->deleteRenderbuffer(renderbuffer);
+}
+
+void Context::deleteFramebuffer(GLuint framebuffer)
+{
+ FramebufferMap::iterator framebufferObject = mFramebufferMap.find(framebuffer);
+
+ if(framebufferObject != mFramebufferMap.end())
+ {
+ detachFramebuffer(framebuffer);
+
+ mFramebufferHandleAllocator.release(framebufferObject->first);
+ delete framebufferObject->second;
+ mFramebufferMap.erase(framebufferObject);
+ }
+}
+
+void Context::deleteFence(GLuint fence)
+{
+ FenceMap::iterator fenceObject = mFenceMap.find(fence);
+
+ if(fenceObject != mFenceMap.end())
+ {
+ mFenceHandleAllocator.release(fenceObject->first);
+ delete fenceObject->second;
+ mFenceMap.erase(fenceObject);
+ }
+}
+
+void Context::deleteQuery(GLuint query)
+{
+ QueryMap::iterator queryObject = mQueryMap.find(query);
+
+ if(queryObject != mQueryMap.end())
+ {
+ mQueryHandleAllocator.release(queryObject->first);
+
+ if(queryObject->second)
+ {
+ queryObject->second->release();
+ }
+
+ mQueryMap.erase(queryObject);
+ }
+}
+
+Buffer *Context::getBuffer(GLuint handle)
+{
+ return mResourceManager->getBuffer(handle);
+}
+
+Shader *Context::getShader(GLuint handle)
+{
+ return mResourceManager->getShader(handle);
+}
+
+Program *Context::getProgram(GLuint handle)
+{
+ return mResourceManager->getProgram(handle);
+}
+
+Texture *Context::getTexture(GLuint handle)
+{
+ return mResourceManager->getTexture(handle);
+}
+
+Renderbuffer *Context::getRenderbuffer(GLuint handle)
+{
+ return mResourceManager->getRenderbuffer(handle);
+}
+
+Framebuffer *Context::getReadFramebuffer()
+{
+ return getFramebuffer(mState.readFramebuffer);
+}
+
+Framebuffer *Context::getDrawFramebuffer()
+{
+ return getFramebuffer(mState.drawFramebuffer);
+}
+
+void Context::bindArrayBuffer(unsigned int buffer)
+{
+ mResourceManager->checkBufferAllocation(buffer);
+
+ mState.arrayBuffer.set(getBuffer(buffer));
+}
+
+void Context::bindElementArrayBuffer(unsigned int buffer)
+{
+ mResourceManager->checkBufferAllocation(buffer);
+
+ mState.elementArrayBuffer.set(getBuffer(buffer));
+}
+
+void Context::bindTexture2D(GLuint texture)
+{
+ mResourceManager->checkTextureAllocation(texture, TEXTURE_2D);
+
+ mState.samplerTexture[TEXTURE_2D][mState.activeSampler].set(getTexture(texture));
+}
+
+void Context::bindTextureCubeMap(GLuint texture)
+{
+ mResourceManager->checkTextureAllocation(texture, TEXTURE_CUBE);
+
+ mState.samplerTexture[TEXTURE_CUBE][mState.activeSampler].set(getTexture(texture));
+}
+
+void Context::bindReadFramebuffer(GLuint framebuffer)
+{
+ if(!getFramebuffer(framebuffer))
+ {
+ mFramebufferMap[framebuffer] = new Framebuffer();
+ }
+
+ mState.readFramebuffer = framebuffer;
+}
+
+void Context::bindDrawFramebuffer(GLuint framebuffer)
+{
+ if(!getFramebuffer(framebuffer))
+ {
+ mFramebufferMap[framebuffer] = new Framebuffer();
+ }
+
+ mState.drawFramebuffer = framebuffer;
+}
+
+void Context::bindRenderbuffer(GLuint renderbuffer)
+{
+ mResourceManager->checkRenderbufferAllocation(renderbuffer);
+
+ mState.renderbuffer.set(getRenderbuffer(renderbuffer));
+}
+
+void Context::useProgram(GLuint program)
+{
+ GLuint priorProgram = mState.currentProgram;
+ mState.currentProgram = program; // Must switch before trying to delete, otherwise it only gets flagged.
+
+ if(priorProgram != program)
+ {
+ Program *newProgram = mResourceManager->getProgram(program);
+ Program *oldProgram = mResourceManager->getProgram(priorProgram);
+
+ if(newProgram)
+ {
+ newProgram->addRef();
+ }
+
+ if(oldProgram)
+ {
+ oldProgram->release();
+ }
+ }
+}
+
+void Context::beginQuery(GLenum target, GLuint query)
+{
+ // From EXT_occlusion_query_boolean: If BeginQueryEXT is called with an <id>
+ // of zero, if the active query object name for <target> is non-zero (for the
+ // targets ANY_SAMPLES_PASSED_EXT and ANY_SAMPLES_PASSED_CONSERVATIVE_EXT, if
+ // the active query for either target is non-zero), if <id> is the name of an
+ // existing query object whose type does not match <target>, or if <id> is the
+ // active query object name for any query type, the error INVALID_OPERATION is
+ // generated.
+
+ // Ensure no other queries are active
+ // NOTE: If other queries than occlusion are supported, we will need to check
+ // separately that:
+ // a) The query ID passed is not the current active query for any target/type
+ // b) There are no active queries for the requested target (and in the case
+ // of GL_ANY_SAMPLES_PASSED_EXT and GL_ANY_SAMPLES_PASSED_CONSERVATIVE_EXT,
+ // no query may be active for either if glBeginQuery targets either.
+ for(int i = 0; i < QUERY_TYPE_COUNT; i++)
+ {
+ if(mState.activeQuery[i].get() != NULL)
+ {
+ return error(GL_INVALID_OPERATION);
+ }
+ }
+
+ QueryType qType;
+ switch(target)
+ {
+ case GL_ANY_SAMPLES_PASSED_EXT:
+ qType = QUERY_ANY_SAMPLES_PASSED;
+ break;
+ case GL_ANY_SAMPLES_PASSED_CONSERVATIVE_EXT:
+ qType = QUERY_ANY_SAMPLES_PASSED_CONSERVATIVE;
+ break;
+ default:
+ ASSERT(false);
+ }
+
+ Query *queryObject = getQuery(query, true, target);
+
+ // Check that name was obtained with glGenQueries
+ if(!queryObject)
+ {
+ return error(GL_INVALID_OPERATION);
+ }
+
+ // Check for type mismatch
+ if(queryObject->getType() != target)
+ {
+ return error(GL_INVALID_OPERATION);
+ }
+
+ // Set query as active for specified target
+ mState.activeQuery[qType].set(queryObject);
+
+ // Begin query
+ queryObject->begin();
+}
+
+void Context::endQuery(GLenum target)
+{
+ QueryType qType;
+
+ switch(target)
+ {
+ case GL_ANY_SAMPLES_PASSED_EXT:
+ qType = QUERY_ANY_SAMPLES_PASSED;
+ break;
+ case GL_ANY_SAMPLES_PASSED_CONSERVATIVE_EXT:
+ qType = QUERY_ANY_SAMPLES_PASSED_CONSERVATIVE;
+ break;
+ default:
+ ASSERT(false);
+ }
+
+ Query *queryObject = mState.activeQuery[qType].get();
+
+ if(queryObject == NULL)
+ {
+ return error(GL_INVALID_OPERATION);
+ }
+
+ queryObject->end();
+
+ mState.activeQuery[qType].set(NULL);
+}
+
+void Context::setFramebufferZero(Framebuffer *buffer)
+{
+ delete mFramebufferMap[0];
+ mFramebufferMap[0] = buffer;
+}
+
+void Context::setRenderbufferStorage(RenderbufferStorage *renderbuffer)
+{
+ Renderbuffer *renderbufferObject = mState.renderbuffer.get();
+ renderbufferObject->setStorage(renderbuffer);
+}
+
+Framebuffer *Context::getFramebuffer(unsigned int handle)
+{
+ FramebufferMap::iterator framebuffer = mFramebufferMap.find(handle);
+
+ if(framebuffer == mFramebufferMap.end())
+ {
+ return NULL;
+ }
+ else
+ {
+ return framebuffer->second;
+ }
+}
+
+Fence *Context::getFence(unsigned int handle)
+{
+ FenceMap::iterator fence = mFenceMap.find(handle);
+
+ if(fence == mFenceMap.end())
+ {
+ return NULL;
+ }
+ else
+ {
+ return fence->second;
+ }
+}
+
+Query *Context::getQuery(unsigned int handle, bool create, GLenum type)
+{
+ QueryMap::iterator query = mQueryMap.find(handle);
+
+ if(query == mQueryMap.end())
+ {
+ return NULL;
+ }
+ else
+ {
+ if(!query->second && create)
+ {
+ query->second = new Query(handle, type);
+ query->second->addRef();
+ }
+
+ return query->second;
+ }
+}
+
+Buffer *Context::getArrayBuffer()
+{
+ return mState.arrayBuffer.get();
+}
+
+Buffer *Context::getElementArrayBuffer()
+{
+ return mState.elementArrayBuffer.get();
+}
+
+Program *Context::getCurrentProgram()
+{
+ return mResourceManager->getProgram(mState.currentProgram);
+}
+
+Texture2D *Context::getTexture2D()
+{
+ return static_cast<Texture2D*>(getSamplerTexture(mState.activeSampler, TEXTURE_2D));
+}
+
+TextureCubeMap *Context::getTextureCubeMap()
+{
+ return static_cast<TextureCubeMap*>(getSamplerTexture(mState.activeSampler, TEXTURE_CUBE));
+}
+
+Texture *Context::getSamplerTexture(unsigned int sampler, TextureType type)
+{
+ GLuint texid = mState.samplerTexture[type][sampler].id();
+
+ if(texid == 0) // Special case: 0 refers to different initial textures based on the target
+ {
+ switch (type)
+ {
+ default: UNREACHABLE();
+ case TEXTURE_2D: return mTexture2DZero.get();
+ case TEXTURE_CUBE: return mTextureCubeMapZero.get();
+ }
+ }
+
+ return mState.samplerTexture[type][sampler].get();
+}
+
+bool Context::getBooleanv(GLenum pname, GLboolean *params)
+{
+ switch (pname)
+ {
+ case GL_SHADER_COMPILER: *params = GL_TRUE; break;
+ case GL_SAMPLE_COVERAGE_INVERT: *params = mState.sampleCoverageInvert; break;
+ case GL_DEPTH_WRITEMASK: *params = mState.depthMask; break;
+ case GL_COLOR_WRITEMASK:
+ params[0] = mState.colorMaskRed;
+ params[1] = mState.colorMaskGreen;
+ params[2] = mState.colorMaskBlue;
+ params[3] = mState.colorMaskAlpha;
+ break;
+ case GL_CULL_FACE: *params = mState.cullFace; break;
+ case GL_POLYGON_OFFSET_FILL: *params = mState.polygonOffsetFill; break;
+ case GL_SAMPLE_ALPHA_TO_COVERAGE: *params = mState.sampleAlphaToCoverage; break;
+ case GL_SAMPLE_COVERAGE: *params = mState.sampleCoverage; break;
+ case GL_SCISSOR_TEST: *params = mState.scissorTest; break;
+ case GL_STENCIL_TEST: *params = mState.stencilTest; break;
+ case GL_DEPTH_TEST: *params = mState.depthTest; break;
+ case GL_BLEND: *params = mState.blend; break;
+ case GL_DITHER: *params = mState.dither; break;
+ default:
+ return false;
+ }
+
+ return true;
+}
+
+bool Context::getFloatv(GLenum pname, GLfloat *params)
+{
+ // Please note: DEPTH_CLEAR_VALUE is included in our internal getFloatv implementation
+ // because it is stored as a float, despite the fact that the GL ES 2.0 spec names
+ // GetIntegerv as its native query function. As it would require conversion in any
+ // case, this should make no difference to the calling application.
+ switch (pname)
+ {
+ case GL_LINE_WIDTH: *params = mState.lineWidth; break;
+ case GL_SAMPLE_COVERAGE_VALUE: *params = mState.sampleCoverageValue; break;
+ case GL_DEPTH_CLEAR_VALUE: *params = mState.depthClearValue; break;
+ case GL_POLYGON_OFFSET_FACTOR: *params = mState.polygonOffsetFactor; break;
+ case GL_POLYGON_OFFSET_UNITS: *params = mState.polygonOffsetUnits; break;
+ case GL_ALIASED_LINE_WIDTH_RANGE:
+ params[0] = ALIASED_LINE_WIDTH_RANGE_MIN;
+ params[1] = ALIASED_LINE_WIDTH_RANGE_MAX;
+ break;
+ case GL_ALIASED_POINT_SIZE_RANGE:
+ params[0] = ALIASED_POINT_SIZE_RANGE_MIN;
+ params[1] = ALIASED_POINT_SIZE_RANGE_MAX;
+ break;
+ case GL_DEPTH_RANGE:
+ params[0] = mState.zNear;
+ params[1] = mState.zFar;
+ break;
+ case GL_COLOR_CLEAR_VALUE:
+ params[0] = mState.colorClearValue.red;
+ params[1] = mState.colorClearValue.green;
+ params[2] = mState.colorClearValue.blue;
+ params[3] = mState.colorClearValue.alpha;
+ break;
+ case GL_BLEND_COLOR:
+ params[0] = mState.blendColor.red;
+ params[1] = mState.blendColor.green;
+ params[2] = mState.blendColor.blue;
+ params[3] = mState.blendColor.alpha;
+ break;
+ case GL_MAX_TEXTURE_MAX_ANISOTROPY_EXT:
+ *params = MAX_TEXTURE_MAX_ANISOTROPY;
+ break;
+ default:
+ return false;
+ }
+
+ return true;
+}
+
+bool Context::getIntegerv(GLenum pname, GLint *params)
+{
+ // Please note: DEPTH_CLEAR_VALUE is not included in our internal getIntegerv implementation
+ // because it is stored as a float, despite the fact that the GL ES 2.0 spec names
+ // GetIntegerv as its native query function. As it would require conversion in any
+ // case, this should make no difference to the calling application. You may find it in
+ // Context::getFloatv.
+ switch (pname)
+ {
+ case GL_MAX_VERTEX_ATTRIBS: *params = MAX_VERTEX_ATTRIBS; break;
+ case GL_MAX_VERTEX_UNIFORM_VECTORS: *params = MAX_VERTEX_UNIFORM_VECTORS; break;
+ case GL_MAX_VARYING_VECTORS: *params = MAX_VARYING_VECTORS; break;
+ case GL_MAX_COMBINED_TEXTURE_IMAGE_UNITS: *params = MAX_COMBINED_TEXTURE_IMAGE_UNITS; break;
+ case GL_MAX_VERTEX_TEXTURE_IMAGE_UNITS: *params = MAX_VERTEX_TEXTURE_IMAGE_UNITS; break;
+ case GL_MAX_TEXTURE_IMAGE_UNITS: *params = MAX_TEXTURE_IMAGE_UNITS; break;
+ case GL_MAX_FRAGMENT_UNIFORM_VECTORS: *params = MAX_FRAGMENT_UNIFORM_VECTORS; break;
+ case GL_MAX_RENDERBUFFER_SIZE: *params = IMPLEMENTATION_MAX_RENDERBUFFER_SIZE; break;
+ case GL_NUM_SHADER_BINARY_FORMATS: *params = 0; break;
+ case GL_SHADER_BINARY_FORMATS: /* no shader binary formats are supported */ break;
+ case GL_ARRAY_BUFFER_BINDING: *params = mState.arrayBuffer.id(); break;
+ case GL_ELEMENT_ARRAY_BUFFER_BINDING: *params = mState.elementArrayBuffer.id(); break;
+// case GL_FRAMEBUFFER_BINDING: // now equivalent to GL_DRAW_FRAMEBUFFER_BINDING_ANGLE
+ case GL_DRAW_FRAMEBUFFER_BINDING_ANGLE: *params = mState.drawFramebuffer; break;
+ case GL_READ_FRAMEBUFFER_BINDING_ANGLE: *params = mState.readFramebuffer; break;
+ case GL_RENDERBUFFER_BINDING: *params = mState.renderbuffer.id(); break;
+ case GL_CURRENT_PROGRAM: *params = mState.currentProgram; break;
+ case GL_PACK_ALIGNMENT: *params = mState.packAlignment; break;
+ case GL_UNPACK_ALIGNMENT: *params = mState.unpackAlignment; break;
+ case GL_GENERATE_MIPMAP_HINT: *params = mState.generateMipmapHint; break;
+ case GL_FRAGMENT_SHADER_DERIVATIVE_HINT_OES: *params = mState.fragmentShaderDerivativeHint; break;
+ case GL_ACTIVE_TEXTURE: *params = (mState.activeSampler + GL_TEXTURE0); break;
+ case GL_STENCIL_FUNC: *params = mState.stencilFunc; break;
+ case GL_STENCIL_REF: *params = mState.stencilRef; break;
+ case GL_STENCIL_VALUE_MASK: *params = mState.stencilMask; break;
+ case GL_STENCIL_BACK_FUNC: *params = mState.stencilBackFunc; break;
+ case GL_STENCIL_BACK_REF: *params = mState.stencilBackRef; break;
+ case GL_STENCIL_BACK_VALUE_MASK: *params = mState.stencilBackMask; break;
+ case GL_STENCIL_FAIL: *params = mState.stencilFail; break;
+ case GL_STENCIL_PASS_DEPTH_FAIL: *params = mState.stencilPassDepthFail; break;
+ case GL_STENCIL_PASS_DEPTH_PASS: *params = mState.stencilPassDepthPass; break;
+ case GL_STENCIL_BACK_FAIL: *params = mState.stencilBackFail; break;
+ case GL_STENCIL_BACK_PASS_DEPTH_FAIL: *params = mState.stencilBackPassDepthFail; break;
+ case GL_STENCIL_BACK_PASS_DEPTH_PASS: *params = mState.stencilBackPassDepthPass; break;
+ case GL_DEPTH_FUNC: *params = mState.depthFunc; break;
+ case GL_BLEND_SRC_RGB: *params = mState.sourceBlendRGB; break;
+ case GL_BLEND_SRC_ALPHA: *params = mState.sourceBlendAlpha; break;
+ case GL_BLEND_DST_RGB: *params = mState.destBlendRGB; break;
+ case GL_BLEND_DST_ALPHA: *params = mState.destBlendAlpha; break;
+ case GL_BLEND_EQUATION_RGB: *params = mState.blendEquationRGB; break;
+ case GL_BLEND_EQUATION_ALPHA: *params = mState.blendEquationAlpha; break;
+ case GL_STENCIL_WRITEMASK: *params = mState.stencilWritemask; break;
+ case GL_STENCIL_BACK_WRITEMASK: *params = mState.stencilBackWritemask; break;
+ case GL_STENCIL_CLEAR_VALUE: *params = mState.stencilClearValue; break;
+ case GL_SUBPIXEL_BITS: *params = 4; break;
+ case GL_MAX_TEXTURE_SIZE: *params = IMPLEMENTATION_MAX_TEXTURE_SIZE; break;
+ case GL_MAX_CUBE_MAP_TEXTURE_SIZE: *params = IMPLEMENTATION_MAX_CUBE_MAP_TEXTURE_SIZE; break;
+ case GL_NUM_COMPRESSED_TEXTURE_FORMATS:
+ {
+ if(S3TC_SUPPORT)
+ {
+ // GL_COMPRESSED_RGB_S3TC_DXT1_EXT
+ // GL_COMPRESSED_RGBA_S3TC_DXT1_EXT
+ // GL_COMPRESSED_RGBA_S3TC_DXT3_ANGLE
+ // GL_COMPRESSED_RGBA_S3TC_DXT5_ANGLE
+ *params = 4;
+ }
+ else
+ {
+ *params = 0;
+ }
+ }
+ break;
+ case GL_MAX_SAMPLES_ANGLE: *params = IMPLEMENTATION_MAX_SAMPLES; break;
+ case GL_SAMPLE_BUFFERS:
+ case GL_SAMPLES:
+ {
+ Framebuffer *framebuffer = getDrawFramebuffer();
+ int width, height, samples;
+
+ if(framebuffer->completeness(width, height, samples) == GL_FRAMEBUFFER_COMPLETE)
+ {
+ switch(pname)
+ {
+ case GL_SAMPLE_BUFFERS:
+ if(samples != 0)
+ {
+ *params = 1;
+ }
+ else
+ {
+ *params = 0;
+ }
+ break;
+ case GL_SAMPLES:
+ *params = samples;
+ break;
+ }
+ }
+ else
+ {
+ *params = 0;
+ }
+ }
+ break;
+ case GL_IMPLEMENTATION_COLOR_READ_TYPE: *params = IMPLEMENTATION_COLOR_READ_TYPE; break;
+ case GL_IMPLEMENTATION_COLOR_READ_FORMAT: *params = IMPLEMENTATION_COLOR_READ_FORMAT; break;
+ case GL_MAX_VIEWPORT_DIMS:
+ {
+ int maxDimension = IMPLEMENTATION_MAX_RENDERBUFFER_SIZE;
+ params[0] = maxDimension;
+ params[1] = maxDimension;
+ }
+ break;
+ case GL_COMPRESSED_TEXTURE_FORMATS:
+ {
+ if(S3TC_SUPPORT)
+ {
+ params[0] = GL_COMPRESSED_RGB_S3TC_DXT1_EXT;
+ params[1] = GL_COMPRESSED_RGBA_S3TC_DXT1_EXT;
+ params[2] = GL_COMPRESSED_RGBA_S3TC_DXT3_ANGLE;
+ params[3] = GL_COMPRESSED_RGBA_S3TC_DXT5_ANGLE;
+ }
+ }
+ break;
+ case GL_VIEWPORT:
+ params[0] = mState.viewportX;
+ params[1] = mState.viewportY;
+ params[2] = mState.viewportWidth;
+ params[3] = mState.viewportHeight;
+ break;
+ case GL_SCISSOR_BOX:
+ params[0] = mState.scissorX;
+ params[1] = mState.scissorY;
+ params[2] = mState.scissorWidth;
+ params[3] = mState.scissorHeight;
+ break;
+ case GL_CULL_FACE_MODE: *params = mState.cullMode; break;
+ case GL_FRONT_FACE: *params = mState.frontFace; break;
+ case GL_RED_BITS:
+ case GL_GREEN_BITS:
+ case GL_BLUE_BITS:
+ case GL_ALPHA_BITS:
+ {
+ Framebuffer *framebuffer = getDrawFramebuffer();
+ Renderbuffer *colorbuffer = framebuffer->getColorbuffer();
+
+ if(colorbuffer)
+ {
+ switch (pname)
+ {
+ case GL_RED_BITS: *params = colorbuffer->getRedSize(); break;
+ case GL_GREEN_BITS: *params = colorbuffer->getGreenSize(); break;
+ case GL_BLUE_BITS: *params = colorbuffer->getBlueSize(); break;
+ case GL_ALPHA_BITS: *params = colorbuffer->getAlphaSize(); break;
+ }
+ }
+ else
+ {
+ *params = 0;
+ }
+ }
+ break;
+ case GL_DEPTH_BITS:
+ {
+ Framebuffer *framebuffer = getDrawFramebuffer();
+ Renderbuffer *depthbuffer = framebuffer->getDepthbuffer();
+
+ if(depthbuffer)
+ {
+ *params = depthbuffer->getDepthSize();
+ }
+ else
+ {
+ *params = 0;
+ }
+ }
+ break;
+ case GL_STENCIL_BITS:
+ {
+ Framebuffer *framebuffer = getDrawFramebuffer();
+ Renderbuffer *stencilbuffer = framebuffer->getStencilbuffer();
+
+ if(stencilbuffer)
+ {
+ *params = stencilbuffer->getStencilSize();
+ }
+ else
+ {
+ *params = 0;
+ }
+ }
+ break;
+ case GL_TEXTURE_BINDING_2D:
+ {
+ if(mState.activeSampler < 0 || mState.activeSampler > MAX_COMBINED_TEXTURE_IMAGE_UNITS - 1)
+ {
+ error(GL_INVALID_OPERATION);
+ return false;
+ }
+
+ *params = mState.samplerTexture[TEXTURE_2D][mState.activeSampler].id();
+ }
+ break;
+ case GL_TEXTURE_BINDING_CUBE_MAP:
+ {
+ if(mState.activeSampler < 0 || mState.activeSampler > MAX_COMBINED_TEXTURE_IMAGE_UNITS - 1)
+ {
+ error(GL_INVALID_OPERATION);
+ return false;
+ }
+
+ *params = mState.samplerTexture[TEXTURE_CUBE][mState.activeSampler].id();
+ }
+ break;
+ default:
+ return false;
+ }
+
+ return true;
+}
+
+bool Context::getQueryParameterInfo(GLenum pname, GLenum *type, unsigned int *numParams)
+{
+ // Please note: the query type returned for DEPTH_CLEAR_VALUE in this implementation
+ // is FLOAT rather than INT, as would be suggested by the GL ES 2.0 spec. This is due
+ // to the fact that it is stored internally as a float, and so would require conversion
+ // if returned from Context::getIntegerv. Since this conversion is already implemented
+ // in the case that one calls glGetIntegerv to retrieve a float-typed state variable, we
+ // place DEPTH_CLEAR_VALUE with the floats. This should make no difference to the calling
+ // application.
+ switch (pname)
+ {
+ case GL_COMPRESSED_TEXTURE_FORMATS:
+ {
+ *type = GL_INT;
+ *numParams = S3TC_SUPPORT ? 4 : 0;
+ }
+ break;
+ case GL_SHADER_BINARY_FORMATS:
+ {
+ *type = GL_INT;
+ *numParams = 0;
+ }
+ break;
+ case GL_MAX_VERTEX_ATTRIBS:
+ case GL_MAX_VERTEX_UNIFORM_VECTORS:
+ case GL_MAX_VARYING_VECTORS:
+ case GL_MAX_COMBINED_TEXTURE_IMAGE_UNITS:
+ case GL_MAX_VERTEX_TEXTURE_IMAGE_UNITS:
+ case GL_MAX_TEXTURE_IMAGE_UNITS:
+ case GL_MAX_FRAGMENT_UNIFORM_VECTORS:
+ case GL_MAX_RENDERBUFFER_SIZE:
+ case GL_NUM_SHADER_BINARY_FORMATS:
+ case GL_NUM_COMPRESSED_TEXTURE_FORMATS:
+ case GL_ARRAY_BUFFER_BINDING:
+ case GL_FRAMEBUFFER_BINDING:
+ case GL_RENDERBUFFER_BINDING:
+ case GL_CURRENT_PROGRAM:
+ case GL_PACK_ALIGNMENT:
+ case GL_UNPACK_ALIGNMENT:
+ case GL_GENERATE_MIPMAP_HINT:
+ case GL_FRAGMENT_SHADER_DERIVATIVE_HINT_OES:
+ case GL_RED_BITS:
+ case GL_GREEN_BITS:
+ case GL_BLUE_BITS:
+ case GL_ALPHA_BITS:
+ case GL_DEPTH_BITS:
+ case GL_STENCIL_BITS:
+ case GL_ELEMENT_ARRAY_BUFFER_BINDING:
+ case GL_CULL_FACE_MODE:
+ case GL_FRONT_FACE:
+ case GL_ACTIVE_TEXTURE:
+ case GL_STENCIL_FUNC:
+ case GL_STENCIL_VALUE_MASK:
+ case GL_STENCIL_REF:
+ case GL_STENCIL_FAIL:
+ case GL_STENCIL_PASS_DEPTH_FAIL:
+ case GL_STENCIL_PASS_DEPTH_PASS:
+ case GL_STENCIL_BACK_FUNC:
+ case GL_STENCIL_BACK_VALUE_MASK:
+ case GL_STENCIL_BACK_REF:
+ case GL_STENCIL_BACK_FAIL:
+ case GL_STENCIL_BACK_PASS_DEPTH_FAIL:
+ case GL_STENCIL_BACK_PASS_DEPTH_PASS:
+ case GL_DEPTH_FUNC:
+ case GL_BLEND_SRC_RGB:
+ case GL_BLEND_SRC_ALPHA:
+ case GL_BLEND_DST_RGB:
+ case GL_BLEND_DST_ALPHA:
+ case GL_BLEND_EQUATION_RGB:
+ case GL_BLEND_EQUATION_ALPHA:
+ case GL_STENCIL_WRITEMASK:
+ case GL_STENCIL_BACK_WRITEMASK:
+ case GL_STENCIL_CLEAR_VALUE:
+ case GL_SUBPIXEL_BITS:
+ case GL_MAX_TEXTURE_SIZE:
+ case GL_MAX_CUBE_MAP_TEXTURE_SIZE:
+ case GL_SAMPLE_BUFFERS:
+ case GL_SAMPLES:
+ case GL_IMPLEMENTATION_COLOR_READ_TYPE:
+ case GL_IMPLEMENTATION_COLOR_READ_FORMAT:
+ case GL_TEXTURE_BINDING_2D:
+ case GL_TEXTURE_BINDING_CUBE_MAP:
+ {
+ *type = GL_INT;
+ *numParams = 1;
+ }
+ break;
+ case GL_MAX_SAMPLES_ANGLE:
+ {
+ *type = GL_INT;
+ *numParams = 1;
+ }
+ break;
+ case GL_MAX_VIEWPORT_DIMS:
+ {
+ *type = GL_INT;
+ *numParams = 2;
+ }
+ break;
+ case GL_VIEWPORT:
+ case GL_SCISSOR_BOX:
+ {
+ *type = GL_INT;
+ *numParams = 4;
+ }
+ break;
+ case GL_SHADER_COMPILER:
+ case GL_SAMPLE_COVERAGE_INVERT:
+ case GL_DEPTH_WRITEMASK:
+ case GL_CULL_FACE: // CULL_FACE through DITHER are natural to IsEnabled,
+ case GL_POLYGON_OFFSET_FILL: // but can be retrieved through the Get{Type}v queries.
+ case GL_SAMPLE_ALPHA_TO_COVERAGE: // For this purpose, they are treated here as bool-natural
+ case GL_SAMPLE_COVERAGE:
+ case GL_SCISSOR_TEST:
+ case GL_STENCIL_TEST:
+ case GL_DEPTH_TEST:
+ case GL_BLEND:
+ case GL_DITHER:
+ {
+ *type = GL_BOOL;
+ *numParams = 1;
+ }
+ break;
+ case GL_COLOR_WRITEMASK:
+ {
+ *type = GL_BOOL;
+ *numParams = 4;
+ }
+ break;
+ case GL_POLYGON_OFFSET_FACTOR:
+ case GL_POLYGON_OFFSET_UNITS:
+ case GL_SAMPLE_COVERAGE_VALUE:
+ case GL_DEPTH_CLEAR_VALUE:
+ case GL_LINE_WIDTH:
+ {
+ *type = GL_FLOAT;
+ *numParams = 1;
+ }
+ break;
+ case GL_ALIASED_LINE_WIDTH_RANGE:
+ case GL_ALIASED_POINT_SIZE_RANGE:
+ case GL_DEPTH_RANGE:
+ {
+ *type = GL_FLOAT;
+ *numParams = 2;
+ }
+ break;
+ case GL_COLOR_CLEAR_VALUE:
+ case GL_BLEND_COLOR:
+ {
+ *type = GL_FLOAT;
+ *numParams = 4;
+ }
+ break;
+ case GL_MAX_TEXTURE_MAX_ANISOTROPY_EXT:
+ *type = GL_FLOAT;
+ *numParams = 1;
+ break;
+ default:
+ return false;
+ }
+
+ return true;
+}
+
+// Applies the render target surface, depth stencil surface, viewport rectangle and scissor rectangle
+bool Context::applyRenderTarget()
+{
+ Device *device = getDevice();
+ Framebuffer *framebuffer = getDrawFramebuffer();
+ int width, height, samples;
+
+ if(!framebuffer || framebuffer->completeness(width, height, samples) != GL_FRAMEBUFFER_COMPLETE)
+ {
+ return error(GL_INVALID_FRAMEBUFFER_OPERATION, false);
+ }
+
+ Image *renderTarget = framebuffer->getRenderTarget();
+ device->setRenderTarget(renderTarget);
+ if(renderTarget) renderTarget->release();
+
+ Image *depthStencil = framebuffer->getDepthStencil();
+ device->setDepthStencilSurface(depthStencil);
+ if(depthStencil) depthStencil->release();
+
+ Viewport viewport;
+ float zNear = clamp01(mState.zNear);
+ float zFar = clamp01(mState.zFar);
+
+ viewport.x0 = mState.viewportX;
+ viewport.y0 = mState.viewportY;
+ viewport.width = mState.viewportWidth;
+ viewport.height = mState.viewportHeight;
+ viewport.minZ = zNear;
+ viewport.maxZ = zFar;
+
+ device->setViewport(viewport);
+
+ if(mState.scissorTest)
+ {
+ sw::Rect scissor = {mState.scissorX, mState.scissorY, mState.scissorX + mState.scissorWidth, mState.scissorY + mState.scissorHeight};
+ scissor.clip(0, 0, width, height);
+
+ device->setScissorRect(scissor);
+ device->setScissorEnable(true);
+ }
+ else
+ {
+ device->setScissorEnable(false);
+ }
+
+ Program *program = getCurrentProgram();
+
+ if(program)
+ {
+ GLfloat nearFarDiff[3] = {zNear, zFar, zFar - zNear};
+ program->setUniform1fv(program->getUniformLocation("gl_DepthRange.near"), 1, &nearFarDiff[0]);
+ program->setUniform1fv(program->getUniformLocation("gl_DepthRange.far"), 1, &nearFarDiff[1]);
+ program->setUniform1fv(program->getUniformLocation("gl_DepthRange.diff"), 1, &nearFarDiff[2]);
+ }
+
+ return true;
+}
+
+// Applies the fixed-function state (culling, depth test, alpha blending, stenciling, etc)
+void Context::applyState(GLenum drawMode)
+{
+ Device *device = getDevice();
+ Framebuffer *framebuffer = getDrawFramebuffer();
+
+ if(mState.cullFace)
+ {
+ device->setCullMode(es2sw::ConvertCullMode(mState.cullMode, mState.frontFace));
+ }
+ else
+ {
+ device->setCullMode(sw::Context::CULL_NONE);
+ }
+
+ if(mDepthStateDirty)
+ {
+ if(mState.depthTest)
+ {
+ device->setDepthBufferEnable(true);
+ device->setDepthCompare(es2sw::ConvertDepthComparison(mState.depthFunc));
+ }
+ else
+ {
+ device->setDepthBufferEnable(false);
+ }
+
+ mDepthStateDirty = false;
+ }
+
+ if(mBlendStateDirty)
+ {
+ if(mState.blend)
+ {
+ device->setAlphaBlendEnable(true);
+ device->setSeparateAlphaBlendEnable(true);
+
+ device->setBlendConstant(es2sw::ConvertColor(mState.blendColor));
+
+ device->setSourceBlendFactor(es2sw::ConvertBlendFunc(mState.sourceBlendRGB));
+ device->setDestBlendFactor(es2sw::ConvertBlendFunc(mState.destBlendRGB));
+ device->setBlendOperation(es2sw::ConvertBlendOp(mState.blendEquationRGB));
+
+ device->setSourceBlendFactorAlpha(es2sw::ConvertBlendFunc(mState.sourceBlendAlpha));
+ device->setDestBlendFactorAlpha(es2sw::ConvertBlendFunc(mState.destBlendAlpha));
+ device->setBlendOperationAlpha(es2sw::ConvertBlendOp(mState.blendEquationAlpha));
+ }
+ else
+ {
+ device->setAlphaBlendEnable(false);
+ }
+
+ mBlendStateDirty = false;
+ }
+
+ if(mStencilStateDirty || mFrontFaceDirty)
+ {
+ if(mState.stencilTest && framebuffer->hasStencil())
+ {
+ device->setStencilEnable(true);
+ device->setTwoSidedStencil(true);
+
+ if(mState.stencilWritemask != mState.stencilBackWritemask ||
+ mState.stencilRef != mState.stencilBackRef ||
+ mState.stencilMask != mState.stencilBackMask)
+ {
+ ERR("Separate front/back stencil writemasks, reference values, or stencil mask values are invalid under WebGL.");
+ return error(GL_INVALID_OPERATION);
+ }
+
+ // get the maximum size of the stencil ref
+ Renderbuffer *stencilbuffer = framebuffer->getStencilbuffer();
+ GLuint maxStencil = (1 << stencilbuffer->getStencilSize()) - 1;
+
+ if(mState.frontFace == GL_CCW)
+ {
+ device->setStencilWriteMask(mState.stencilWritemask);
+ device->setStencilCompare(es2sw::ConvertStencilComparison(mState.stencilFunc));
+
+ device->setStencilReference((mState.stencilRef < (GLint)maxStencil) ? mState.stencilRef : maxStencil);
+ device->setStencilMask(mState.stencilMask);
+
+ device->setStencilFailOperation(es2sw::ConvertStencilOp(mState.stencilFail));
+ device->setStencilZFailOperation(es2sw::ConvertStencilOp(mState.stencilPassDepthFail));
+ device->setStencilPassOperation(es2sw::ConvertStencilOp(mState.stencilPassDepthPass));
+
+ device->setStencilWriteMaskCCW(mState.stencilBackWritemask);
+ device->setStencilCompareCCW(es2sw::ConvertStencilComparison(mState.stencilBackFunc));
+
+ device->setStencilReferenceCCW((mState.stencilBackRef < (GLint)maxStencil) ? mState.stencilBackRef : maxStencil);
+ device->setStencilMaskCCW(mState.stencilBackMask);
+
+ device->setStencilFailOperationCCW(es2sw::ConvertStencilOp(mState.stencilBackFail));
+ device->setStencilZFailOperationCCW(es2sw::ConvertStencilOp(mState.stencilBackPassDepthFail));
+ device->setStencilPassOperationCCW(es2sw::ConvertStencilOp(mState.stencilBackPassDepthPass));
+ }
+ else
+ {
+ device->setStencilWriteMaskCCW(mState.stencilWritemask);
+ device->setStencilCompareCCW(es2sw::ConvertStencilComparison(mState.stencilFunc));
+
+ device->setStencilReferenceCCW((mState.stencilRef < (GLint)maxStencil) ? mState.stencilRef : maxStencil);
+ device->setStencilMaskCCW(mState.stencilMask);
+
+ device->setStencilFailOperationCCW(es2sw::ConvertStencilOp(mState.stencilFail));
+ device->setStencilZFailOperationCCW(es2sw::ConvertStencilOp(mState.stencilPassDepthFail));
+ device->setStencilPassOperationCCW(es2sw::ConvertStencilOp(mState.stencilPassDepthPass));
+
+ device->setStencilWriteMask(mState.stencilBackWritemask);
+ device->setStencilCompare(es2sw::ConvertStencilComparison(mState.stencilBackFunc));
+
+ device->setStencilReference((mState.stencilBackRef < (GLint)maxStencil) ? mState.stencilBackRef : maxStencil);
+ device->setStencilMask(mState.stencilBackMask);
+
+ device->setStencilFailOperation(es2sw::ConvertStencilOp(mState.stencilBackFail));
+ device->setStencilZFailOperation(es2sw::ConvertStencilOp(mState.stencilBackPassDepthFail));
+ device->setStencilPassOperation(es2sw::ConvertStencilOp(mState.stencilBackPassDepthPass));
+ }
+ }
+ else
+ {
+ device->setStencilEnable(false);
+ }
+
+ mStencilStateDirty = false;
+ mFrontFaceDirty = false;
+ }
+
+ if(mMaskStateDirty)
+ {
+ device->setColorWriteMask(0, es2sw::ConvertColorMask(mState.colorMaskRed, mState.colorMaskGreen, mState.colorMaskBlue, mState.colorMaskAlpha));
+ device->setDepthWriteEnable(mState.depthMask);
+
+ mMaskStateDirty = false;
+ }
+
+ if(mPolygonOffsetStateDirty)
+ {
+ if(mState.polygonOffsetFill)
+ {
+ Renderbuffer *depthbuffer = framebuffer->getDepthbuffer();
+ if(depthbuffer)
+ {
+ device->setSlopeDepthBias(mState.polygonOffsetFactor);
+ float depthBias = ldexp(mState.polygonOffsetUnits, -(int)(depthbuffer->getDepthSize()));
+ device->setDepthBias(depthBias);
+ }
+ }
+ else
+ {
+ device->setSlopeDepthBias(0);
+ device->setDepthBias(0);
+ }
+
+ mPolygonOffsetStateDirty = false;
+ }
+
+ if(mSampleStateDirty)
+ {
+ if(mState.sampleAlphaToCoverage)
+ {
+ device->setTransparencyAntialiasing(sw::Context::TRANSPARENCY_ALPHA_TO_COVERAGE);
+ }
+ else
+ {
+ device->setTransparencyAntialiasing(sw::Context::TRANSPARENCY_NONE);
+ }
+
+ if(mState.sampleCoverage)
+ {
+ unsigned int mask = 0;
+ if(mState.sampleCoverageValue != 0)
+ {
+ int width, height, samples;
+ framebuffer->completeness(width, height, samples);
+
+ float threshold = 0.5f;
+
+ for(int i = 0; i < samples; i++)
+ {
+ mask <<= 1;
+
+ if((i + 1) * mState.sampleCoverageValue >= threshold)
+ {
+ threshold += 1.0f;
+ mask |= 1;
+ }
+ }
+ }
+
+ if(mState.sampleCoverageInvert)
+ {
+ mask = ~mask;
+ }
+
+ device->setMultiSampleMask(mask);
+ }
+ else
+ {
+ device->setMultiSampleMask(0xFFFFFFFF);
+ }
+
+ mSampleStateDirty = false;
+ }
+
+ if(mDitherStateDirty)
+ {
+ // UNIMPLEMENTED(); // FIXME
+
+ mDitherStateDirty = false;
+ }
+}
+
+GLenum Context::applyVertexBuffer(GLint base, GLint first, GLsizei count)
+{
+ TranslatedAttribute attributes[MAX_VERTEX_ATTRIBS];
+
+ GLenum err = mVertexDataManager->prepareVertexData(first, count, attributes);
+ if(err != GL_NO_ERROR)
+ {
+ return err;
+ }
+
+ Device *device = getDevice();
+ Program *program = getCurrentProgram();
+
+ device->resetInputStreams(false);
+
+ for(int i = 0; i < MAX_VERTEX_ATTRIBS; i++)
+ {
+ if(program->getAttributeStream(i) == -1)
+ {
+ continue;
+ }
+
+ sw::Resource *resource = attributes[i].vertexBuffer;
+ const void *buffer = (char*)resource->getBuffer() + attributes[i].offset;
+
+ int stride = attributes[i].stride;
+
+ buffer = (char*)buffer + stride * base;
+
+ sw::Stream attribute(resource, buffer, stride);
+
+ attribute.type = attributes[i].type;
+ attribute.count = attributes[i].count;
+ attribute.normalized = attributes[i].normalized;
+
+ int stream = program->getAttributeStream(i);
+ device->setInputStream(stream, attribute);
+ }
+
+ return GL_NO_ERROR;
+}
+
+// Applies the indices and element array bindings
+GLenum Context::applyIndexBuffer(const void *indices, GLsizei count, GLenum mode, GLenum type, TranslatedIndexData *indexInfo)
+{
+ Device *device = getDevice();
+ GLenum err = mIndexDataManager->prepareIndexData(type, count, mState.elementArrayBuffer.get(), indices, indexInfo);
+
+ if(err == GL_NO_ERROR)
+ {
+ device->setIndexBuffer(indexInfo->indexBuffer);
+ }
+
+ return err;
+}
+
+// Applies the shaders and shader constants
+void Context::applyShaders()
+{
+ Device *device = getDevice();
+ Program *programObject = getCurrentProgram();
+ sw::VertexShader *vertexShader = programObject->getVertexShader();
+ sw::PixelShader *pixelShader = programObject->getPixelShader();
+
+ device->setVertexShader(vertexShader);
+ device->setPixelShader(pixelShader);
+
+ if(programObject->getSerial() != mAppliedProgramSerial)
+ {
+ programObject->dirtyAllUniforms();
+ mAppliedProgramSerial = programObject->getSerial();
+ }
+
+ programObject->applyUniforms();
+}
+
+void Context::applyTextures()
+{
+ applyTextures(sw::SAMPLER_PIXEL);
+ applyTextures(sw::SAMPLER_VERTEX);
+}
+
+void Context::applyTextures(sw::SamplerType samplerType)
+{
+ Device *device = getDevice();
+ Program *programObject = getCurrentProgram();
+
+ int samplerCount = (samplerType == sw::SAMPLER_PIXEL) ? MAX_TEXTURE_IMAGE_UNITS : MAX_VERTEX_TEXTURE_IMAGE_UNITS; // Range of samplers of given sampler type
+
+ for(int samplerIndex = 0; samplerIndex < samplerCount; samplerIndex++)
+ {
+ int textureUnit = programObject->getSamplerMapping(samplerType, samplerIndex); // OpenGL texture image unit index
+
+ if(textureUnit != -1)
+ {
+ TextureType textureType = programObject->getSamplerTextureType(samplerType, samplerIndex);
+
+ Texture *texture = getSamplerTexture(textureUnit, textureType);
+
+ if(texture->isSamplerComplete())
+ {
+ GLenum wrapS = texture->getWrapS();
+ GLenum wrapT = texture->getWrapT();
+ GLenum texFilter = texture->getMinFilter();
+ GLenum magFilter = texture->getMagFilter();
+ GLenum maxAnisotropy = texture->getMaxAnisotropy();
+
+ device->setAddressingModeU(samplerType, samplerIndex, es2sw::ConvertTextureWrap(wrapS));
+ device->setAddressingModeV(samplerType, samplerIndex, es2sw::ConvertTextureWrap(wrapT));
+
+ sw::FilterType minFilter;
+ sw::MipmapType mipFilter;
+ es2sw::ConvertMinFilter(texFilter, &minFilter, &mipFilter, maxAnisotropy);
+ // ASSERT(minFilter == es2sw::ConvertMagFilter(magFilter));
+
+ device->setTextureFilter(samplerType, samplerIndex, minFilter);
+ // device->setTextureFilter(samplerType, samplerIndex, es2sw::ConvertMagFilter(magFilter));
+ device->setMipmapFilter(samplerType, samplerIndex, mipFilter);
+ device->setMaxAnisotropy(samplerType, samplerIndex, maxAnisotropy);
+
+ applyTexture(samplerType, samplerIndex, texture);
+ }
+ else
+ {
+ applyTexture(samplerType, samplerIndex, 0);
+ }
+ }
+ else
+ {
+ applyTexture(samplerType, samplerIndex, NULL);
+ }
+ }
+}
+
+void Context::applyTexture(sw::SamplerType type, int index, Texture *baseTexture)
+{
+ Device *device = getDevice();
+ Program *program = getCurrentProgram();
+ int sampler = (type == sw::SAMPLER_PIXEL) ? index : 16 + index;
+ bool textureUsed = false;
+
+ if(type == sw::SAMPLER_PIXEL)
+ {
+ textureUsed = program->getPixelShader()->usesSampler(index);
+ }
+ else if(type == sw::SAMPLER_VERTEX)
+ {
+ textureUsed = program->getVertexShader()->usesSampler(index);
+ }
+ else UNREACHABLE();
+
+ sw::Resource *resource = 0;
+
+ if(baseTexture && textureUsed)
+ {
+ resource = baseTexture->getResource();
+ }
+
+ device->setTextureResource(sampler, resource);
+
+ if(baseTexture && textureUsed)
+ {
+ int levelCount = baseTexture->getLevelCount();
+
+ if(baseTexture->isTexture2D())
+ {
+ Texture2D *texture = static_cast<Texture2D*>(baseTexture);
+
+ for(int mipmapLevel = 0; mipmapLevel < MIPMAP_LEVELS; mipmapLevel++)
+ {
+ int surfaceLevel = mipmapLevel;
+
+ if(surfaceLevel < 0)
+ {
+ surfaceLevel = 0;
+ }
+ else if(surfaceLevel >= levelCount)
+ {
+ surfaceLevel = levelCount - 1;
+ }
+
+ Image *surface = texture->getImage(surfaceLevel);
+ device->setTextureLevel(sampler, 0, mipmapLevel, surface, sw::TEXTURE_2D);
+ }
+ }
+ else if(baseTexture->isTextureCubeMap())
+ {
+ for(int face = 0; face < 6; face++)
+ {
+ TextureCubeMap *cubeTexture = static_cast<TextureCubeMap*>(baseTexture);
+
+ for(int mipmapLevel = 0; mipmapLevel < MIPMAP_LEVELS; mipmapLevel++)
+ {
+ int surfaceLevel = mipmapLevel;
+
+ if(surfaceLevel < 0)
+ {
+ surfaceLevel = 0;
+ }
+ else if(surfaceLevel >= levelCount)
+ {
+ surfaceLevel = levelCount - 1;
+ }
+
+ Image *surface = cubeTexture->getImage(face, surfaceLevel);
+ device->setTextureLevel(sampler, face, mipmapLevel, surface, sw::TEXTURE_CUBE);
+ }
+ }
+ }
+ else UNIMPLEMENTED();
+ }
+ else
+ {
+ device->setTextureLevel(sampler, 0, 0, 0, sw::TEXTURE_NULL);
+ }
+}
+
+void Context::readPixels(GLint x, GLint y, GLsizei width, GLsizei height,
+ GLenum format, GLenum type, GLsizei *bufSize, void* pixels)
+{
+ Framebuffer *framebuffer = getReadFramebuffer();
+ int framebufferWidth, framebufferHeight, framebufferSamples;
+
+ if(framebuffer->completeness(framebufferWidth, framebufferHeight, framebufferSamples) != GL_FRAMEBUFFER_COMPLETE)
+ {
+ return error(GL_INVALID_FRAMEBUFFER_OPERATION);
+ }
+
+ if(getReadFramebufferHandle() != 0 && framebufferSamples != 0)
+ {
+ return error(GL_INVALID_OPERATION);
+ }
+
+ GLsizei outputPitch = ComputePitch(width, format, type, mState.packAlignment);
+
+ // Sized query sanity check
+ if(bufSize)
+ {
+ int requiredSize = outputPitch * height;
+ if(requiredSize > *bufSize)
+ {
+ return error(GL_INVALID_OPERATION);
+ }
+ }
+
+ Image *renderTarget = framebuffer->getRenderTarget();
+
+ if(!renderTarget)
+ {
+ return error(GL_OUT_OF_MEMORY);
+ }
+
+ sw::Rect rect = {x, y, x + width, y + height};
+ rect.clip(0, 0, renderTarget->getWidth(), renderTarget->getHeight());
+
+ unsigned char *source = (unsigned char*)renderTarget->lock(rect.x0, rect.y0, sw::LOCK_READONLY);
+ unsigned char *dest = (unsigned char*)pixels;
+ unsigned short *dest16 = (unsigned short*)pixels;
+ int inputPitch = (int)renderTarget->getPitch();
+
+ for(int j = 0; j < rect.y1 - rect.y0; j++)
+ {
+ if(renderTarget->getInternalFormat() == sw::FORMAT_A8R8G8B8 &&
+ format == GL_BGRA_EXT && type == GL_UNSIGNED_BYTE)
+ {
+ // Fast path for EXT_read_format_bgra, given an RGBA source buffer
+ // Note that buffers with no alpha go through the slow path below
+ memcpy(dest + j * outputPitch, source + j * inputPitch, (rect.x1 - rect.x0) * 4);
+ }
+ else
+ {
+ for(int i = 0; i < rect.x1 - rect.x0; i++)
+ {
+ float r;
+ float g;
+ float b;
+ float a;
+
+ switch(renderTarget->getInternalFormat())
+ {
+ case sw::FORMAT_R5G6B5:
+ {
+ unsigned short rgb = *(unsigned short*)(source + 2 * i + j * inputPitch);
+
+ a = 1.0f;
+ b = (rgb & 0x001F) * (1.0f / 0x001F);
+ g = (rgb & 0x07E0) * (1.0f / 0x07E0);
+ r = (rgb & 0xF800) * (1.0f / 0xF800);
+ }
+ break;
+ case sw::FORMAT_A1R5G5B5:
+ {
+ unsigned short argb = *(unsigned short*)(source + 2 * i + j * inputPitch);
+
+ a = (argb & 0x8000) ? 1.0f : 0.0f;
+ b = (argb & 0x001F) * (1.0f / 0x001F);
+ g = (argb & 0x03E0) * (1.0f / 0x03E0);
+ r = (argb & 0x7C00) * (1.0f / 0x7C00);
+ }
+ break;
+ case sw::FORMAT_A8R8G8B8:
+ {
+ unsigned int argb = *(unsigned int*)(source + 4 * i + j * inputPitch);
+
+ a = (argb & 0xFF000000) * (1.0f / 0xFF000000);
+ b = (argb & 0x000000FF) * (1.0f / 0x000000FF);
+ g = (argb & 0x0000FF00) * (1.0f / 0x0000FF00);
+ r = (argb & 0x00FF0000) * (1.0f / 0x00FF0000);
+ }
+ break;
+ case sw::FORMAT_X8R8G8B8:
+ {
+ unsigned int xrgb = *(unsigned int*)(source + 4 * i + j * inputPitch);
+
+ a = 1.0f;
+ b = (xrgb & 0x000000FF) * (1.0f / 0x000000FF);
+ g = (xrgb & 0x0000FF00) * (1.0f / 0x0000FF00);
+ r = (xrgb & 0x00FF0000) * (1.0f / 0x00FF0000);
+ }
+ break;
+ case sw::FORMAT_A2R10G10B10:
+ {
+ unsigned int argb = *(unsigned int*)(source + 4 * i + j * inputPitch);
+
+ a = (argb & 0xC0000000) * (1.0f / 0xC0000000);
+ b = (argb & 0x000003FF) * (1.0f / 0x000003FF);
+ g = (argb & 0x000FFC00) * (1.0f / 0x000FFC00);
+ r = (argb & 0x3FF00000) * (1.0f / 0x3FF00000);
+ }
+ break;
+ case sw::FORMAT_A32B32G32R32F:
+ {
+ r = *((float*)(source + 16 * i + j * inputPitch) + 0);
+ g = *((float*)(source + 16 * i + j * inputPitch) + 1);
+ b = *((float*)(source + 16 * i + j * inputPitch) + 2);
+ a = *((float*)(source + 16 * i + j * inputPitch) + 3);
+ }
+ break;
+ case sw::FORMAT_A16B16G16R16F:
+ {
+ r = (float)*((sw::half*)(source + 8 * i + j * inputPitch) + 0);
+ g = (float)*((sw::half*)(source + 8 * i + j * inputPitch) + 1);
+ b = (float)*((sw::half*)(source + 8 * i + j * inputPitch) + 2);
+ a = (float)*((sw::half*)(source + 8 * i + j * inputPitch) + 3);
+ }
+ break;
+ default:
+ UNIMPLEMENTED(); // FIXME
+ UNREACHABLE();
+ }
+
+ switch(format)
+ {
+ case GL_RGBA:
+ switch(type)
+ {
+ case GL_UNSIGNED_BYTE:
+ dest[4 * i + j * outputPitch + 0] = (unsigned char)(255 * r + 0.5f);
+ dest[4 * i + j * outputPitch + 1] = (unsigned char)(255 * g + 0.5f);
+ dest[4 * i + j * outputPitch + 2] = (unsigned char)(255 * b + 0.5f);
+ dest[4 * i + j * outputPitch + 3] = (unsigned char)(255 * a + 0.5f);
+ break;
+ default: UNREACHABLE();
+ }
+ break;
+ case GL_BGRA_EXT:
+ switch(type)
+ {
+ case GL_UNSIGNED_BYTE:
+ dest[4 * i + j * outputPitch + 0] = (unsigned char)(255 * b + 0.5f);
+ dest[4 * i + j * outputPitch + 1] = (unsigned char)(255 * g + 0.5f);
+ dest[4 * i + j * outputPitch + 2] = (unsigned char)(255 * r + 0.5f);
+ dest[4 * i + j * outputPitch + 3] = (unsigned char)(255 * a + 0.5f);
+ break;
+ case GL_UNSIGNED_SHORT_4_4_4_4_REV_EXT:
+ // According to the desktop GL spec in the "Transfer of Pixel Rectangles" section
+ // this type is packed as follows:
+ // 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
+ // --------------------------------------------------------------------------------
+ // | 4th | 3rd | 2nd | 1st component |
+ // --------------------------------------------------------------------------------
+ // in the case of BGRA_EXT, B is the first component, G the second, and so forth.
+ dest16[i + j * outputPitch / sizeof(unsigned short)] =
+ ((unsigned short)(15 * a + 0.5f) << 12)|
+ ((unsigned short)(15 * r + 0.5f) << 8) |
+ ((unsigned short)(15 * g + 0.5f) << 4) |
+ ((unsigned short)(15 * b + 0.5f) << 0);
+ break;
+ case GL_UNSIGNED_SHORT_1_5_5_5_REV_EXT:
+ // According to the desktop GL spec in the "Transfer of Pixel Rectangles" section
+ // this type is packed as follows:
+ // 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
+ // --------------------------------------------------------------------------------
+ // | 4th | 3rd | 2nd | 1st component |
+ // --------------------------------------------------------------------------------
+ // in the case of BGRA_EXT, B is the first component, G the second, and so forth.
+ dest16[i + j * outputPitch / sizeof(unsigned short)] =
+ ((unsigned short)( a + 0.5f) << 15) |
+ ((unsigned short)(31 * r + 0.5f) << 10) |
+ ((unsigned short)(31 * g + 0.5f) << 5) |
+ ((unsigned short)(31 * b + 0.5f) << 0);
+ break;
+ default: UNREACHABLE();
+ }
+ break;
+ case GL_RGB: // IMPLEMENTATION_COLOR_READ_FORMAT
+ switch(type)
+ {
+ case GL_UNSIGNED_SHORT_5_6_5: // IMPLEMENTATION_COLOR_READ_TYPE
+ dest16[i + j * outputPitch / sizeof(unsigned short)] =
+ ((unsigned short)(31 * b + 0.5f) << 0) |
+ ((unsigned short)(63 * g + 0.5f) << 5) |
+ ((unsigned short)(31 * r + 0.5f) << 11);
+ break;
+ default: UNREACHABLE();
+ }
+ break;
+ default: UNREACHABLE();
+ }
+ }
+ }
+ }
+
+ renderTarget->unlock();
+ renderTarget->release();
+}
+
+void Context::clear(GLbitfield mask)
+{
+ Framebuffer *framebuffer = getDrawFramebuffer();
+
+ if(!framebuffer || framebuffer->completeness() != GL_FRAMEBUFFER_COMPLETE)
+ {
+ return error(GL_INVALID_FRAMEBUFFER_OPERATION);
+ }
+
+ if(!applyRenderTarget())
+ {
+ return;
+ }
+
+ Device *device = getDevice();
+
+ unsigned int color = (unorm<8>(mState.colorClearValue.alpha) << 24) |
+ (unorm<8>(mState.colorClearValue.red) << 16) |
+ (unorm<8>(mState.colorClearValue.green) << 8) |
+ (unorm<8>(mState.colorClearValue.blue) << 0);
+ float depth = clamp01(mState.depthClearValue);
+ int stencil = mState.stencilClearValue & 0x000000FF;
+
+ if(mask & GL_COLOR_BUFFER_BIT)
+ {
+ unsigned int rgbaMask = (mState.colorMaskRed ? 0x1 : 0) |
+ (mState.colorMaskGreen ? 0x2 : 0) |
+ (mState.colorMaskBlue ? 0x4 : 0) |
+ (mState.colorMaskAlpha ? 0x8 : 0);
+ device->clearColor(color, rgbaMask);
+ }
+
+ if(mask & GL_DEPTH_BUFFER_BIT)
+ {
+ if(mState.depthMask)
+ {
+ device->clearDepth(depth);
+ }
+ }
+
+ if(mask & GL_STENCIL_BUFFER_BIT)
+ {
+ device->clearStencil(stencil, mState.stencilWritemask);
+ }
+}
+
+void Context::drawArrays(GLenum mode, GLint first, GLsizei count)
+{
+ if(!mState.currentProgram)
+ {
+ return error(GL_INVALID_OPERATION);
+ }
+
+ Device *device = getDevice();
+ PrimitiveType primitiveType;
+ int primitiveCount;
+
+ if(!es2sw::ConvertPrimitiveType(mode, count, primitiveType, primitiveCount))
+ return error(GL_INVALID_ENUM);
+
+ if(primitiveCount <= 0)
+ {
+ return;
+ }
+
+ if(!applyRenderTarget())
+ {
+ return;
+ }
+
+ applyState(mode);
+
+ GLenum err = applyVertexBuffer(0, first, count);
+ if(err != GL_NO_ERROR)
+ {
+ return error(err);
+ }
+
+ applyShaders();
+ applyTextures();
+
+ if(!getCurrentProgram()->validateSamplers(false))
+ {
+ return error(GL_INVALID_OPERATION);
+ }
+
+ if(!cullSkipsDraw(mode))
+ {
+ device->drawPrimitive(primitiveType, primitiveCount);
+ }
+}
+
+void Context::drawElements(GLenum mode, GLsizei count, GLenum type, const void *indices)
+{
+ if(!mState.currentProgram)
+ {
+ return error(GL_INVALID_OPERATION);
+ }
+
+ if(!indices && !mState.elementArrayBuffer)
+ {
+ return error(GL_INVALID_OPERATION);
+ }
+
+ Device *device = getDevice();
+ PrimitiveType primitiveType;
+ int primitiveCount;
+
+ if(!es2sw::ConvertPrimitiveType(mode, count, primitiveType, primitiveCount))
+ return error(GL_INVALID_ENUM);
+
+ if(primitiveCount <= 0)
+ {
+ return;
+ }
+
+ if(!applyRenderTarget())
+ {
+ return;
+ }
+
+ applyState(mode);
+
+ TranslatedIndexData indexInfo;
+ GLenum err = applyIndexBuffer(indices, count, mode, type, &indexInfo);
+ if(err != GL_NO_ERROR)
+ {
+ return error(err);
+ }
+
+ GLsizei vertexCount = indexInfo.maxIndex - indexInfo.minIndex + 1;
+ err = applyVertexBuffer(-(int)indexInfo.minIndex, indexInfo.minIndex, vertexCount);
+ if(err != GL_NO_ERROR)
+ {
+ return error(err);
+ }
+
+ applyShaders();
+ applyTextures();
+
+ if(!getCurrentProgram()->validateSamplers(false))
+ {
+ return error(GL_INVALID_OPERATION);
+ }
+
+ if(!cullSkipsDraw(mode))
+ {
+ device->drawIndexedPrimitive(primitiveType, indexInfo.indexOffset, primitiveCount, IndexDataManager::typeSize(type));
+ }
+}
+
+void Context::finish()
+{
+ Device *device = getDevice();
+
+ device->finish();
+}
+
+void Context::flush()
+{
+ // We don't queue anything without processing it as fast as possible
+}
+
+void Context::recordInvalidEnum()
+{
+ mInvalidEnum = true;
+}
+
+void Context::recordInvalidValue()
+{
+ mInvalidValue = true;
+}
+
+void Context::recordInvalidOperation()
+{
+ mInvalidOperation = true;
+}
+
+void Context::recordOutOfMemory()
+{
+ mOutOfMemory = true;
+}
+
+void Context::recordInvalidFramebufferOperation()
+{
+ mInvalidFramebufferOperation = true;
+}
+
+// Get one of the recorded errors and clear its flag, if any.
+// [OpenGL ES 2.0.24] section 2.5 page 13.
+GLenum Context::getError()
+{
+ if(mInvalidEnum)
+ {
+ mInvalidEnum = false;
+
+ return GL_INVALID_ENUM;
+ }
+
+ if(mInvalidValue)
+ {
+ mInvalidValue = false;
+
+ return GL_INVALID_VALUE;
+ }
+
+ if(mInvalidOperation)
+ {
+ mInvalidOperation = false;
+
+ return GL_INVALID_OPERATION;
+ }
+
+ if(mOutOfMemory)
+ {
+ mOutOfMemory = false;
+
+ return GL_OUT_OF_MEMORY;
+ }
+
+ if(mInvalidFramebufferOperation)
+ {
+ mInvalidFramebufferOperation = false;
+
+ return GL_INVALID_FRAMEBUFFER_OPERATION;
+ }
+
+ return GL_NO_ERROR;
+}
+
+int Context::getNearestSupportedSamples(sw::Format format, int requested) const
+{
+ if(requested <= 1)
+ {
+ return requested;
+ }
+
+ if(requested <= 2)
+ {
+ return 2;
+ }
+
+ return 4;
+}
+
+void Context::detachBuffer(GLuint buffer)
+{
+ // [OpenGL ES 2.0.24] section 2.9 page 22:
+ // If a buffer object is deleted while it is bound, all bindings to that object in the current context
+ // (i.e. in the thread that called Delete-Buffers) are reset to zero.
+
+ if(mState.arrayBuffer.id() == buffer)
+ {
+ mState.arrayBuffer.set(NULL);
+ }
+
+ if(mState.elementArrayBuffer.id() == buffer)
+ {
+ mState.elementArrayBuffer.set(NULL);
+ }
+
+ for(int attribute = 0; attribute < MAX_VERTEX_ATTRIBS; attribute++)
+ {
+ if(mState.vertexAttribute[attribute].mBoundBuffer.id() == buffer)
+ {
+ mState.vertexAttribute[attribute].mBoundBuffer.set(NULL);
+ }
+ }
+}
+
+void Context::detachTexture(GLuint texture)
+{
+ // [OpenGL ES 2.0.24] section 3.8 page 84:
+ // If a texture object is deleted, it is as if all texture units which are bound to that texture object are
+ // rebound to texture object zero
+
+ for(int type = 0; type < TEXTURE_TYPE_COUNT; type++)
+ {
+ for(int sampler = 0; sampler < MAX_COMBINED_TEXTURE_IMAGE_UNITS; sampler++)
+ {
+ if(mState.samplerTexture[type][sampler].id() == texture)
+ {
+ mState.samplerTexture[type][sampler].set(NULL);
+ }
+ }
+ }
+
+ // [OpenGL ES 2.0.24] section 4.4 page 112:
+ // If a texture object is deleted while its image is attached to the currently bound framebuffer, then it is
+ // as if FramebufferTexture2D had been called, with a texture of 0, for each attachment point to which this
+ // image was attached in the currently bound framebuffer.
+
+ Framebuffer *readFramebuffer = getReadFramebuffer();
+ Framebuffer *drawFramebuffer = getDrawFramebuffer();
+
+ if(readFramebuffer)
+ {
+ readFramebuffer->detachTexture(texture);
+ }
+
+ if(drawFramebuffer && drawFramebuffer != readFramebuffer)
+ {
+ drawFramebuffer->detachTexture(texture);
+ }
+}
+
+void Context::detachFramebuffer(GLuint framebuffer)
+{
+ // [OpenGL ES 2.0.24] section 4.4 page 107:
+ // If a framebuffer that is currently bound to the target FRAMEBUFFER is deleted, it is as though
+ // BindFramebuffer had been executed with the target of FRAMEBUFFER and framebuffer of zero.
+
+ if(mState.readFramebuffer == framebuffer)
+ {
+ bindReadFramebuffer(0);
+ }
+
+ if(mState.drawFramebuffer == framebuffer)
+ {
+ bindDrawFramebuffer(0);
+ }
+}
+
+void Context::detachRenderbuffer(GLuint renderbuffer)
+{
+ // [OpenGL ES 2.0.24] section 4.4 page 109:
+ // If a renderbuffer that is currently bound to RENDERBUFFER is deleted, it is as though BindRenderbuffer
+ // had been executed with the target RENDERBUFFER and name of zero.
+
+ if(mState.renderbuffer.id() == renderbuffer)
+ {
+ bindRenderbuffer(0);
+ }
+
+ // [OpenGL ES 2.0.24] section 4.4 page 111:
+ // If a renderbuffer object is deleted while its image is attached to the currently bound framebuffer,
+ // then it is as if FramebufferRenderbuffer had been called, with a renderbuffer of 0, for each attachment
+ // point to which this image was attached in the currently bound framebuffer.
+
+ Framebuffer *readFramebuffer = getReadFramebuffer();
+ Framebuffer *drawFramebuffer = getDrawFramebuffer();
+
+ if(readFramebuffer)
+ {
+ readFramebuffer->detachRenderbuffer(renderbuffer);
+ }
+
+ if(drawFramebuffer && drawFramebuffer != readFramebuffer)
+ {
+ drawFramebuffer->detachRenderbuffer(renderbuffer);
+ }
+}
+
+bool Context::cullSkipsDraw(GLenum drawMode)
+{
+ return mState.cullFace && mState.cullMode == GL_FRONT_AND_BACK && isTriangleMode(drawMode);
+}
+
+bool Context::isTriangleMode(GLenum drawMode)
+{
+ switch (drawMode)
+ {
+ case GL_TRIANGLES:
+ case GL_TRIANGLE_FAN:
+ case GL_TRIANGLE_STRIP:
+ return true;
+ case GL_POINTS:
+ case GL_LINES:
+ case GL_LINE_LOOP:
+ case GL_LINE_STRIP:
+ return false;
+ default: UNREACHABLE();
+ }
+
+ return false;
+}
+
+void Context::setVertexAttrib(GLuint index, const GLfloat *values)
+{
+ ASSERT(index < MAX_VERTEX_ATTRIBS);
+
+ mState.vertexAttribute[index].mCurrentValue[0] = values[0];
+ mState.vertexAttribute[index].mCurrentValue[1] = values[1];
+ mState.vertexAttribute[index].mCurrentValue[2] = values[2];
+ mState.vertexAttribute[index].mCurrentValue[3] = values[3];
+
+ mVertexDataManager->dirtyCurrentValue(index);
+}
+
+void Context::initExtensionString()
+{
+ // Keep list sorted in following order:
+ // OES extensions
+ // EXT extensions
+ // Vendor extensions
+
+ mExtensionString += "GL_OES_depth_texture ";
+ mExtensionString += "GL_OES_depth_texture_cube_map ";
+ mExtensionString += "GL_OES_element_index_uint ";
+ mExtensionString += "GL_OES_packed_depth_stencil ";
+ mExtensionString += "GL_OES_rgb8_rgba8 ";
+ mExtensionString += "GL_OES_standard_derivatives ";
+ mExtensionString += "GL_OES_texture_float ";
+ mExtensionString += "GL_OES_texture_float_linear ";
+ mExtensionString += "GL_OES_texture_half_float ";
+ mExtensionString += "GL_OES_texture_half_float_linear ";
+ mExtensionString += "GL_OES_texture_npot ";
+ mExtensionString += "GL_EXT_occlusion_query_boolean ";
+ mExtensionString += "GL_EXT_read_format_bgra ";
+
+ if(S3TC_SUPPORT)
+ {
+ mExtensionString += "GL_EXT_texture_compression_dxt1 ";
+ mExtensionString += "GL_ANGLE_texture_compression_dxt3 ";
+ mExtensionString += "GL_ANGLE_texture_compression_dxt5 ";
+ }
+
+ mExtensionString += "GL_EXT_texture_filter_anisotropic ";
+ mExtensionString += "GL_EXT_texture_format_BGRA8888 ";
+ mExtensionString += "GL_ANGLE_framebuffer_blit ";
+ mExtensionString += "GL_ANGLE_framebuffer_multisample ";
+ mExtensionString += "GL_NV_fence ";
+
+ std::string::size_type end = mExtensionString.find_last_not_of(' ');
+ if(end != std::string::npos)
+ {
+ mExtensionString.resize(end + 1);
+ }
+}
+
+const char *Context::getExtensionString() const
+{
+ return mExtensionString.c_str();
+}
+
+void Context::blitFramebuffer(GLint srcX0, GLint srcY0, GLint srcX1, GLint srcY1,
+ GLint dstX0, GLint dstY0, GLint dstX1, GLint dstY1,
+ GLbitfield mask)
+{
+ Device *device = getDevice();
+
+ Framebuffer *readFramebuffer = getReadFramebuffer();
+ Framebuffer *drawFramebuffer = getDrawFramebuffer();
+
+ int readBufferWidth, readBufferHeight, readBufferSamples;
+ int drawBufferWidth, drawBufferHeight, drawBufferSamples;
+
+ if(!readFramebuffer || readFramebuffer->completeness(readBufferWidth, readBufferHeight, readBufferSamples) != GL_FRAMEBUFFER_COMPLETE ||
+ !drawFramebuffer || drawFramebuffer->completeness(drawBufferWidth, drawBufferHeight, drawBufferSamples) != GL_FRAMEBUFFER_COMPLETE)
+ {
+ return error(GL_INVALID_FRAMEBUFFER_OPERATION);
+ }
+
+ if(drawBufferSamples != 0)
+ {
+ return error(GL_INVALID_OPERATION);
+ }
+
+ sw::Rect sourceRect;
+ sw::Rect destRect;
+
+ if(srcX0 < srcX1)
+ {
+ sourceRect.x0 = srcX0;
+ sourceRect.x1 = srcX1;
+ destRect.x0 = dstX0;
+ destRect.x1 = dstX1;
+ }
+ else
+ {
+ sourceRect.x0 = srcX1;
+ destRect.x0 = dstX1;
+ sourceRect.x1 = srcX0;
+ destRect.x1 = dstX0;
+ }
+
+ if(srcY0 < srcY1)
+ {
+ sourceRect.y0 = srcY0;
+ destRect.y0 = dstY0;
+ sourceRect.y1 = srcY1;
+ destRect.y1 = dstY1;
+ }
+ else
+ {
+ sourceRect.y0 = srcY1;
+ destRect.y0 = dstY1;
+ sourceRect.y1 = srcY0;
+ destRect.y1 = dstY0;
+ }
+
+ sw::Rect sourceScissoredRect = sourceRect;
+ sw::Rect destScissoredRect = destRect;
+
+ if(mState.scissorTest) // Only write to parts of the destination framebuffer which pass the scissor test
+ {
+ if(destRect.x0 < mState.scissorX)
+ {
+ int xDiff = mState.scissorX - destRect.x0;
+ destScissoredRect.x0 = mState.scissorX;
+ sourceScissoredRect.x0 += xDiff;
+ }
+
+ if(destRect.x1 > mState.scissorX + mState.scissorWidth)
+ {
+ int xDiff = destRect.x1 - (mState.scissorX + mState.scissorWidth);
+ destScissoredRect.x1 = mState.scissorX + mState.scissorWidth;
+ sourceScissoredRect.x1 -= xDiff;
+ }
+
+ if(destRect.y0 < mState.scissorY)
+ {
+ int yDiff = mState.scissorY - destRect.y0;
+ destScissoredRect.y0 = mState.scissorY;
+ sourceScissoredRect.y0 += yDiff;
+ }
+
+ if(destRect.y1 > mState.scissorY + mState.scissorHeight)
+ {
+ int yDiff = destRect.y1 - (mState.scissorY + mState.scissorHeight);
+ destScissoredRect.y1 = mState.scissorY + mState.scissorHeight;
+ sourceScissoredRect.y1 -= yDiff;
+ }
+ }
+
+ sw::Rect sourceTrimmedRect = sourceScissoredRect;
+ sw::Rect destTrimmedRect = destScissoredRect;
+
+ // The source & destination rectangles also may need to be trimmed if they fall out of the bounds of
+ // the actual draw and read surfaces.
+ if(sourceTrimmedRect.x0 < 0)
+ {
+ int xDiff = 0 - sourceTrimmedRect.x0;
+ sourceTrimmedRect.x0 = 0;
+ destTrimmedRect.x0 += xDiff;
+ }
+
+ if(sourceTrimmedRect.x1 > readBufferWidth)
+ {
+ int xDiff = sourceTrimmedRect.x1 - readBufferWidth;
+ sourceTrimmedRect.x1 = readBufferWidth;
+ destTrimmedRect.x1 -= xDiff;
+ }
+
+ if(sourceTrimmedRect.y0 < 0)
+ {
+ int yDiff = 0 - sourceTrimmedRect.y0;
+ sourceTrimmedRect.y0 = 0;
+ destTrimmedRect.y0 += yDiff;
+ }
+
+ if(sourceTrimmedRect.y1 > readBufferHeight)
+ {
+ int yDiff = sourceTrimmedRect.y1 - readBufferHeight;
+ sourceTrimmedRect.y1 = readBufferHeight;
+ destTrimmedRect.y1 -= yDiff;
+ }
+
+ if(destTrimmedRect.x0 < 0)
+ {
+ int xDiff = 0 - destTrimmedRect.x0;
+ destTrimmedRect.x0 = 0;
+ sourceTrimmedRect.x0 += xDiff;
+ }
+
+ if(destTrimmedRect.x1 > drawBufferWidth)
+ {
+ int xDiff = destTrimmedRect.x1 - drawBufferWidth;
+ destTrimmedRect.x1 = drawBufferWidth;
+ sourceTrimmedRect.x1 -= xDiff;
+ }
+
+ if(destTrimmedRect.y0 < 0)
+ {
+ int yDiff = 0 - destTrimmedRect.y0;
+ destTrimmedRect.y0 = 0;
+ sourceTrimmedRect.y0 += yDiff;
+ }
+
+ if(destTrimmedRect.y1 > drawBufferHeight)
+ {
+ int yDiff = destTrimmedRect.y1 - drawBufferHeight;
+ destTrimmedRect.y1 = drawBufferHeight;
+ sourceTrimmedRect.y1 -= yDiff;
+ }
+
+ bool partialBufferCopy = false;
+
+ if(sourceTrimmedRect.y1 - sourceTrimmedRect.y0 < readBufferHeight ||
+ sourceTrimmedRect.x1 - sourceTrimmedRect.x0 < readBufferWidth ||
+ destTrimmedRect.y1 - destTrimmedRect.y0 < drawBufferHeight ||
+ destTrimmedRect.x1 - destTrimmedRect.x0 < drawBufferWidth ||
+ sourceTrimmedRect.y0 != 0 || destTrimmedRect.y0 != 0 || sourceTrimmedRect.x0 != 0 || destTrimmedRect.x0 != 0)
+ {
+ partialBufferCopy = true;
+ }
+
+ bool blitRenderTarget = false;
+ bool blitDepthStencil = false;
+
+ if(mask & GL_COLOR_BUFFER_BIT)
+ {
+ const bool validReadType = readFramebuffer->getColorbufferType() == GL_TEXTURE_2D ||
+ readFramebuffer->getColorbufferType() == GL_RENDERBUFFER;
+ const bool validDrawType = drawFramebuffer->getColorbufferType() == GL_TEXTURE_2D ||
+ drawFramebuffer->getColorbufferType() == GL_RENDERBUFFER;
+ if(!validReadType || !validDrawType ||
+ readFramebuffer->getColorbuffer()->getInternalFormat() != drawFramebuffer->getColorbuffer()->getInternalFormat())
+ {
+ ERR("Color buffer format conversion in BlitFramebufferANGLE not supported by this implementation");
+ return error(GL_INVALID_OPERATION);
+ }
+
+ if(partialBufferCopy && readBufferSamples != 0)
+ {
+ return error(GL_INVALID_OPERATION);
+ }
+
+ blitRenderTarget = true;
+ }
+
+ if(mask & (GL_DEPTH_BUFFER_BIT | GL_STENCIL_BUFFER_BIT))
+ {
+ Renderbuffer *readDSBuffer = NULL;
+ Renderbuffer *drawDSBuffer = NULL;
+
+ // We support OES_packed_depth_stencil, and do not support a separately attached depth and stencil buffer, so if we have
+ // both a depth and stencil buffer, it will be the same buffer.
+
+ if(mask & GL_DEPTH_BUFFER_BIT)
+ {
+ if(readFramebuffer->getDepthbuffer() && drawFramebuffer->getDepthbuffer())
+ {
+ if(readFramebuffer->getDepthbufferType() != drawFramebuffer->getDepthbufferType() ||
+ readFramebuffer->getDepthbuffer()->getInternalFormat() != drawFramebuffer->getDepthbuffer()->getInternalFormat())
+ {
+ return error(GL_INVALID_OPERATION);
+ }
+
+ blitDepthStencil = true;
+ readDSBuffer = readFramebuffer->getDepthbuffer();
+ drawDSBuffer = drawFramebuffer->getDepthbuffer();
+ }
+ }
+
+ if(mask & GL_STENCIL_BUFFER_BIT)
+ {
+ if(readFramebuffer->getStencilbuffer() && drawFramebuffer->getStencilbuffer())
+ {
+ if(readFramebuffer->getStencilbufferType() != drawFramebuffer->getStencilbufferType() ||
+ readFramebuffer->getStencilbuffer()->getInternalFormat() != drawFramebuffer->getStencilbuffer()->getInternalFormat())
+ {
+ return error(GL_INVALID_OPERATION);
+ }
+
+ blitDepthStencil = true;
+ readDSBuffer = readFramebuffer->getStencilbuffer();
+ drawDSBuffer = drawFramebuffer->getStencilbuffer();
+ }
+ }
+
+ if(partialBufferCopy)
+ {
+ ERR("Only whole-buffer depth and stencil blits are supported by this implementation.");
+ return error(GL_INVALID_OPERATION); // Only whole-buffer copies are permitted
+ }
+
+ if((drawDSBuffer && drawDSBuffer->getSamples() != 0) ||
+ (readDSBuffer && readDSBuffer->getSamples() != 0))
+ {
+ return error(GL_INVALID_OPERATION);
+ }
+ }
+
+ if(blitRenderTarget || blitDepthStencil)
+ {
+ if(blitRenderTarget)
+ {
+ Image *readRenderTarget = readFramebuffer->getRenderTarget();
+ Image *drawRenderTarget = drawFramebuffer->getRenderTarget();
+
+ bool success = device->stretchRect(readRenderTarget, &sourceRect, drawRenderTarget, &destRect, false);
+
+ readRenderTarget->release();
+ drawRenderTarget->release();
+
+ if(!success)
+ {
+ ERR("BlitFramebufferANGLE failed.");
+ return;
+ }
+ }
+
+ if(blitDepthStencil)
+ {
+ bool success = device->stretchRect(readFramebuffer->getDepthStencil(), NULL, drawFramebuffer->getDepthStencil(), NULL, false);
+
+ if(!success)
+ {
+ ERR("BlitFramebufferANGLE failed.");
+ return;
+ }
+ }
+ }
+}
+
+}
+
+// Exported functions for use by EGL
+extern "C"
+{
+ gl::Context *glCreateContext(const egl::Config *config, const gl::Context *shareContext)
+ {
+ return new gl::Context(config, shareContext);
+ }
+
+ void glDestroyContext(gl::Context *context)
+ {
+ delete context;
+
+ if(context == gl::getContext())
+ {
+ gl::makeCurrent(NULL, NULL, NULL);
+ }
+ }
+
+ void glMakeCurrent(gl::Context *context, egl::Display *display, egl::Surface *surface)
+ {
+ gl::makeCurrent(context, display, surface);
+ }
+
+ gl::Context *glGetCurrentContext()
+ {
+ return gl::getContext();
+ }
+}
diff --git a/src/GLES2/libGLESv2/Context.h b/src/GLES2/libGLESv2/Context.h
new file mode 100644
index 0000000..1ca0d55
--- /dev/null
+++ b/src/GLES2/libGLESv2/Context.h
@@ -0,0 +1,488 @@
+// SwiftShader Software Renderer
+//
+// Copyright(c) 2005-2013 TransGaming Inc.
+//
+// All rights reserved. No part of this software may be copied, distributed, transmitted,
+// transcribed, stored in a retrieval system, translated into any human or computer
+// language by any means, or disclosed to third parties without the explicit written
+// agreement of TransGaming Inc. Without such an agreement, no rights or licenses, express
+// or implied, including but not limited to any patent rights, are granted to you.
+//
+
+// Context.h: Defines the Context class, managing all GL state and performing
+// rendering operations. It is the GLES2 specific implementation of EGLContext.
+
+#ifndef LIBGLESV2_CONTEXT_H_
+#define LIBGLESV2_CONTEXT_H_
+
+#include "ResourceManager.h"
+#include "HandleAllocator.h"
+#include "RefCountObject.h"
+#include "Image.hpp"
+#include "Renderer/Sampler.hpp"
+
+#define GL_APICALL
+#include <GLES2/gl2.h>
+#include <GLES2/gl2ext.h>
+#define EGLAPI
+#include <EGL/egl.h>
+
+#include <map>
+#include <string>
+
+namespace egl
+{
+class Display;
+class Surface;
+class Config;
+}
+
+namespace gl
+{
+struct TranslatedAttribute;
+struct TranslatedIndexData;
+
+class Buffer;
+class Shader;
+class Program;
+class Texture;
+class Texture2D;
+class TextureCubeMap;
+class Framebuffer;
+class Renderbuffer;
+class RenderbufferStorage;
+class Colorbuffer;
+class Depthbuffer;
+class StreamingIndexBuffer;
+class Stencilbuffer;
+class DepthStencilbuffer;
+class VertexDataManager;
+class IndexDataManager;
+class Fence;
+class Query;
+
+enum
+{
+ MAX_VERTEX_ATTRIBS = 16,
+ MAX_UNIFORM_VECTORS = 256, // Device limit
+ MAX_VERTEX_UNIFORM_VECTORS = 256 - 3, // Reserve space for gl_DepthRange
+ MAX_VARYING_VECTORS = 10,
+ MAX_TEXTURE_IMAGE_UNITS = 16,
+ MAX_VERTEX_TEXTURE_IMAGE_UNITS = 4,
+ MAX_COMBINED_TEXTURE_IMAGE_UNITS = MAX_TEXTURE_IMAGE_UNITS + MAX_VERTEX_TEXTURE_IMAGE_UNITS,
+ MAX_FRAGMENT_UNIFORM_VECTORS = 224 - 3, // Reserve space for gl_DepthRange
+ MAX_DRAW_BUFFERS = 1,
+
+ IMPLEMENTATION_COLOR_READ_FORMAT = GL_RGB,
+ IMPLEMENTATION_COLOR_READ_TYPE = GL_UNSIGNED_SHORT_5_6_5
+};
+
+enum QueryType
+{
+ QUERY_ANY_SAMPLES_PASSED,
+ QUERY_ANY_SAMPLES_PASSED_CONSERVATIVE,
+
+ QUERY_TYPE_COUNT
+};
+
+const float ALIASED_LINE_WIDTH_RANGE_MIN = 1.0f;
+const float ALIASED_LINE_WIDTH_RANGE_MAX = 1.0f;
+const float ALIASED_POINT_SIZE_RANGE_MIN = 0.125f;
+const float ALIASED_POINT_SIZE_RANGE_MAX = 8192.0f;
+const float MAX_TEXTURE_MAX_ANISOTROPY = 16.0f;
+
+struct Color
+{
+ float red;
+ float green;
+ float blue;
+ float alpha;
+};
+
+// Helper structure describing a single vertex attribute
+class VertexAttribute
+{
+ public:
+ VertexAttribute() : mType(GL_FLOAT), mSize(0), mNormalized(false), mStride(0), mPointer(NULL), mArrayEnabled(false)
+ {
+ mCurrentValue[0] = 0.0f;
+ mCurrentValue[1] = 0.0f;
+ mCurrentValue[2] = 0.0f;
+ mCurrentValue[3] = 1.0f;
+ }
+
+ int typeSize() const
+ {
+ switch (mType)
+ {
+ case GL_BYTE: return mSize * sizeof(GLbyte);
+ case GL_UNSIGNED_BYTE: return mSize * sizeof(GLubyte);
+ case GL_SHORT: return mSize * sizeof(GLshort);
+ case GL_UNSIGNED_SHORT: return mSize * sizeof(GLushort);
+ case GL_FIXED: return mSize * sizeof(GLfixed);
+ case GL_FLOAT: return mSize * sizeof(GLfloat);
+ default: UNREACHABLE(); return mSize * sizeof(GLfloat);
+ }
+ }
+
+ GLsizei stride() const
+ {
+ return mStride ? mStride : typeSize();
+ }
+
+ // From glVertexAttribPointer
+ GLenum mType;
+ GLint mSize;
+ bool mNormalized;
+ GLsizei mStride; // 0 means natural stride
+
+ union
+ {
+ const void *mPointer;
+ intptr_t mOffset;
+ };
+
+ BindingPointer<Buffer> mBoundBuffer; // Captured when glVertexAttribPointer is called.
+
+ bool mArrayEnabled; // From glEnable/DisableVertexAttribArray
+ float mCurrentValue[4]; // From glVertexAttrib
+};
+
+typedef VertexAttribute VertexAttributeArray[MAX_VERTEX_ATTRIBS];
+
+// Helper structure to store all raw state
+struct State
+{
+ Color colorClearValue;
+ GLclampf depthClearValue;
+ int stencilClearValue;
+
+ bool cullFace;
+ GLenum cullMode;
+ GLenum frontFace;
+ bool depthTest;
+ GLenum depthFunc;
+ bool blend;
+ GLenum sourceBlendRGB;
+ GLenum destBlendRGB;
+ GLenum sourceBlendAlpha;
+ GLenum destBlendAlpha;
+ GLenum blendEquationRGB;
+ GLenum blendEquationAlpha;
+ Color blendColor;
+ bool stencilTest;
+ GLenum stencilFunc;
+ GLint stencilRef;
+ GLuint stencilMask;
+ GLenum stencilFail;
+ GLenum stencilPassDepthFail;
+ GLenum stencilPassDepthPass;
+ GLuint stencilWritemask;
+ GLenum stencilBackFunc;
+ GLint stencilBackRef;
+ GLuint stencilBackMask;
+ GLenum stencilBackFail;
+ GLenum stencilBackPassDepthFail;
+ GLenum stencilBackPassDepthPass;
+ GLuint stencilBackWritemask;
+ bool polygonOffsetFill;
+ GLfloat polygonOffsetFactor;
+ GLfloat polygonOffsetUnits;
+ bool sampleAlphaToCoverage;
+ bool sampleCoverage;
+ GLclampf sampleCoverageValue;
+ bool sampleCoverageInvert;
+ bool scissorTest;
+ bool dither;
+
+ GLfloat lineWidth;
+
+ GLenum generateMipmapHint;
+ GLenum fragmentShaderDerivativeHint;
+
+ GLint viewportX;
+ GLint viewportY;
+ GLsizei viewportWidth;
+ GLsizei viewportHeight;
+ float zNear;
+ float zFar;
+
+ GLint scissorX;
+ GLint scissorY;
+ GLsizei scissorWidth;
+ GLsizei scissorHeight;
+
+ bool colorMaskRed;
+ bool colorMaskGreen;
+ bool colorMaskBlue;
+ bool colorMaskAlpha;
+ bool depthMask;
+
+ unsigned int activeSampler; // Active texture unit selector - GL_TEXTURE0
+ BindingPointer<Buffer> arrayBuffer;
+ BindingPointer<Buffer> elementArrayBuffer;
+ GLuint readFramebuffer;
+ GLuint drawFramebuffer;
+ BindingPointer<Renderbuffer> renderbuffer;
+ GLuint currentProgram;
+
+ VertexAttribute vertexAttribute[MAX_VERTEX_ATTRIBS];
+ BindingPointer<Texture> samplerTexture[TEXTURE_TYPE_COUNT][MAX_COMBINED_TEXTURE_IMAGE_UNITS];
+ BindingPointer<Query> activeQuery[QUERY_TYPE_COUNT];
+
+ GLint unpackAlignment;
+ GLint packAlignment;
+};
+
+class Context
+{
+ public:
+ Context(const egl::Config *config, const Context *shareContext);
+
+ ~Context();
+
+ void makeCurrent(egl::Display *display, egl::Surface *surface);
+
+ void markAllStateDirty();
+
+ // State manipulation
+ void setClearColor(float red, float green, float blue, float alpha);
+ void setClearDepth(float depth);
+ void setClearStencil(int stencil);
+
+ void setCullFace(bool enabled);
+ bool isCullFaceEnabled() const;
+ void setCullMode(GLenum mode);
+ void setFrontFace(GLenum front);
+
+ void setDepthTest(bool enabled);
+ bool isDepthTestEnabled() const;
+ void setDepthFunc(GLenum depthFunc);
+ void setDepthRange(float zNear, float zFar);
+
+ void setBlend(bool enabled);
+ bool isBlendEnabled() const;
+ void setBlendFactors(GLenum sourceRGB, GLenum destRGB, GLenum sourceAlpha, GLenum destAlpha);
+ void setBlendColor(float red, float green, float blue, float alpha);
+ void setBlendEquation(GLenum rgbEquation, GLenum alphaEquation);
+
+ void setStencilTest(bool enabled);
+ bool isStencilTestEnabled() const;
+ void setStencilParams(GLenum stencilFunc, GLint stencilRef, GLuint stencilMask);
+ void setStencilBackParams(GLenum stencilBackFunc, GLint stencilBackRef, GLuint stencilBackMask);
+ void setStencilWritemask(GLuint stencilWritemask);
+ void setStencilBackWritemask(GLuint stencilBackWritemask);
+ void setStencilOperations(GLenum stencilFail, GLenum stencilPassDepthFail, GLenum stencilPassDepthPass);
+ void setStencilBackOperations(GLenum stencilBackFail, GLenum stencilBackPassDepthFail, GLenum stencilBackPassDepthPass);
+
+ void setPolygonOffsetFill(bool enabled);
+ bool isPolygonOffsetFillEnabled() const;
+ void setPolygonOffsetParams(GLfloat factor, GLfloat units);
+
+ void setSampleAlphaToCoverage(bool enabled);
+ bool isSampleAlphaToCoverageEnabled() const;
+ void setSampleCoverage(bool enabled);
+ bool isSampleCoverageEnabled() const;
+ void setSampleCoverageParams(GLclampf value, bool invert);
+
+ void setDither(bool enabled);
+ bool isDitherEnabled() const;
+
+ void setLineWidth(GLfloat width);
+
+ void setGenerateMipmapHint(GLenum hint);
+ void setFragmentShaderDerivativeHint(GLenum hint);
+
+ void setViewportParams(GLint x, GLint y, GLsizei width, GLsizei height);
+
+ void setScissorTest(bool enabled);
+ bool isScissorTestEnabled() const;
+ void setScissorParams(GLint x, GLint y, GLsizei width, GLsizei height);
+
+ void setColorMask(bool red, bool green, bool blue, bool alpha);
+ void setDepthMask(bool mask);
+
+ void setActiveSampler(unsigned int active);
+
+ GLuint getReadFramebufferHandle() const;
+ GLuint getDrawFramebufferHandle() const;
+ GLuint getRenderbufferHandle() const;
+
+ GLuint getActiveQuery(GLenum target) const;
+
+ GLuint getArrayBufferHandle() const;
+
+ void setEnableVertexAttribArray(unsigned int attribNum, bool enabled);
+ const VertexAttribute &getVertexAttribState(unsigned int attribNum);
+ void setVertexAttribState(unsigned int attribNum, Buffer *boundBuffer, GLint size, GLenum type,
+ bool normalized, GLsizei stride, const void *pointer);
+ const void *getVertexAttribPointer(unsigned int attribNum) const;
+
+ const VertexAttributeArray &getVertexAttributes();
+
+ void setUnpackAlignment(GLint alignment);
+ GLint getUnpackAlignment() const;
+
+ void setPackAlignment(GLint alignment);
+ GLint getPackAlignment() const;
+
+ // These create and destroy methods are merely pass-throughs to
+ // ResourceManager, which owns these object types
+ GLuint createBuffer();
+ GLuint createShader(GLenum type);
+ GLuint createProgram();
+ GLuint createTexture();
+ GLuint createRenderbuffer();
+
+ void deleteBuffer(GLuint buffer);
+ void deleteShader(GLuint shader);
+ void deleteProgram(GLuint program);
+ void deleteTexture(GLuint texture);
+ void deleteRenderbuffer(GLuint renderbuffer);
+
+ // Framebuffers are owned by the Context, so these methods do not pass through
+ GLuint createFramebuffer();
+ void deleteFramebuffer(GLuint framebuffer);
+
+ // Fences are owned by the Context
+ GLuint createFence();
+ void deleteFence(GLuint fence);
+
+ // Queries are owned by the Context
+ GLuint createQuery();
+ void deleteQuery(GLuint query);
+
+ void bindArrayBuffer(GLuint buffer);
+ void bindElementArrayBuffer(GLuint buffer);
+ void bindTexture2D(GLuint texture);
+ void bindTextureCubeMap(GLuint texture);
+ void bindReadFramebuffer(GLuint framebuffer);
+ void bindDrawFramebuffer(GLuint framebuffer);
+ void bindRenderbuffer(GLuint renderbuffer);
+ void useProgram(GLuint program);
+
+ void beginQuery(GLenum target, GLuint query);
+ void endQuery(GLenum target);
+
+ void setFramebufferZero(Framebuffer *framebuffer);
+
+ void setRenderbufferStorage(RenderbufferStorage *renderbuffer);
+
+ void setVertexAttrib(GLuint index, const GLfloat *values);
+
+ Buffer *getBuffer(GLuint handle);
+ Fence *getFence(GLuint handle);
+ Shader *getShader(GLuint handle);
+ Program *getProgram(GLuint handle);
+ Texture *getTexture(GLuint handle);
+ Framebuffer *getFramebuffer(GLuint handle);
+ Renderbuffer *getRenderbuffer(GLuint handle);
+ Query *getQuery(GLuint handle, bool create, GLenum type);
+
+ Buffer *getArrayBuffer();
+ Buffer *getElementArrayBuffer();
+ Program *getCurrentProgram();
+ Texture2D *getTexture2D();
+ TextureCubeMap *getTextureCubeMap();
+ Texture *getSamplerTexture(unsigned int sampler, TextureType type);
+ Framebuffer *getReadFramebuffer();
+ Framebuffer *getDrawFramebuffer();
+
+ bool getFloatv(GLenum pname, GLfloat *params);
+ bool getIntegerv(GLenum pname, GLint *params);
+ bool getBooleanv(GLenum pname, GLboolean *params);
+
+ bool getQueryParameterInfo(GLenum pname, GLenum *type, unsigned int *numParams);
+
+ void readPixels(GLint x, GLint y, GLsizei width, GLsizei height, GLenum format, GLenum type, GLsizei *bufSize, void* pixels);
+ void clear(GLbitfield mask);
+ void drawArrays(GLenum mode, GLint first, GLsizei count);
+ void drawElements(GLenum mode, GLsizei count, GLenum type, const void *indices);
+ void finish();
+ void flush();
+
+ void recordInvalidEnum();
+ void recordInvalidValue();
+ void recordInvalidOperation();
+ void recordOutOfMemory();
+ void recordInvalidFramebufferOperation();
+
+ GLenum getError();
+
+ int getNearestSupportedSamples(sw::Format format, int requested) const;
+ const char *getExtensionString() const;
+
+ void blitFramebuffer(GLint srcX0, GLint srcY0, GLint srcX1, GLint srcY1,
+ GLint dstX0, GLint dstY0, GLint dstX1, GLint dstY1,
+ GLbitfield mask);
+
+ private:
+ bool applyRenderTarget();
+ void applyState(GLenum drawMode);
+ GLenum applyVertexBuffer(GLint base, GLint first, GLsizei count);
+ GLenum applyIndexBuffer(const void *indices, GLsizei count, GLenum mode, GLenum type, TranslatedIndexData *indexInfo);
+ void applyShaders();
+ void applyTextures();
+ void applyTextures(sw::SamplerType type);
+ void applyTexture(sw::SamplerType type, int sampler, Texture *texture);
+
+ void detachBuffer(GLuint buffer);
+ void detachTexture(GLuint texture);
+ void detachFramebuffer(GLuint framebuffer);
+ void detachRenderbuffer(GLuint renderbuffer);
+
+ bool cullSkipsDraw(GLenum drawMode);
+ bool isTriangleMode(GLenum drawMode);
+
+ const egl::Config *const mConfig;
+
+ State mState;
+
+ BindingPointer<Texture2D> mTexture2DZero;
+ BindingPointer<TextureCubeMap> mTextureCubeMapZero;
+
+ typedef std::map<GLint, Framebuffer*> FramebufferMap;
+ FramebufferMap mFramebufferMap;
+ HandleAllocator mFramebufferHandleAllocator;
+
+ typedef std::map<GLint, Fence*> FenceMap;
+ FenceMap mFenceMap;
+ HandleAllocator mFenceHandleAllocator;
+
+ typedef std::map<GLint, Query*> QueryMap;
+ QueryMap mQueryMap;
+ HandleAllocator mQueryHandleAllocator;
+
+ void initExtensionString();
+ std::string mExtensionString;
+
+ VertexDataManager *mVertexDataManager;
+ IndexDataManager *mIndexDataManager;
+
+ // Recorded errors
+ bool mInvalidEnum;
+ bool mInvalidValue;
+ bool mInvalidOperation;
+ bool mOutOfMemory;
+ bool mInvalidFramebufferOperation;
+
+ bool mHasBeenCurrent;
+
+ unsigned int mAppliedProgramSerial;
+
+ // state caching flags
+ bool mDepthStateDirty;
+ bool mMaskStateDirty;
+ bool mPixelPackingStateDirty;
+ bool mBlendStateDirty;
+ bool mStencilStateDirty;
+ bool mPolygonOffsetStateDirty;
+ bool mSampleStateDirty;
+ bool mFrontFaceDirty;
+ bool mDitherStateDirty;
+
+ ResourceManager *mResourceManager;
+};
+}
+
+#endif // INCLUDE_CONTEXT_H_
diff --git a/src/GLES2/libGLESv2/Device.cpp b/src/GLES2/libGLESv2/Device.cpp
new file mode 100644
index 0000000..64b888d
--- /dev/null
+++ b/src/GLES2/libGLESv2/Device.cpp
@@ -0,0 +1,805 @@
+// SwiftShader Software Renderer
+//
+// Copyright(c) 2005-2013 TransGaming Inc.
+//
+// All rights reserved. No part of this software may be copied, distributed, transmitted,
+// transcribed, stored in a retrieval system, translated into any human or computer
+// language by any means, or disclosed to third parties without the explicit written
+// agreement of TransGaming Inc. Without such an agreement, no rights or licenses, express
+// or implied, including but not limited to any patent rights, are granted to you.
+//
+
+#include "Device.hpp"
+
+#include "Image.hpp"
+#include "Texture.h"
+
+#include "Renderer/Renderer.hpp"
+#include "Renderer/Clipper.hpp"
+#include "Shader/PixelShader.hpp"
+#include "Shader/VertexShader.hpp"
+#include "Main/Config.hpp"
+#include "Main/FrameBuffer.hpp"
+#include "Common/Math.hpp"
+#include "Common/Configurator.hpp"
+#include "Common/Timer.hpp"
+#include "../common/debug.h"
+
+bool localShaderConstants = false;
+
+namespace gl
+{
+ using namespace sw;
+
+ Device::Device(Context *context) : Renderer(context, true, true, true, true, true), context(context)
+ {
+ depthStencil = 0;
+ renderTarget = 0;
+
+ setDepthBufferEnable(true);
+ setFillMode(Context::FILL_SOLID);
+ setShadingMode(Context::SHADING_GOURAUD);
+ setDepthWriteEnable(true);
+ setAlphaTestEnable(false);
+ setSourceBlendFactor(Context::BLEND_ONE);
+ setDestBlendFactor(Context::BLEND_ZERO);
+ setCullMode(Context::CULL_COUNTERCLOCKWISE);
+ setDepthCompare(Context::DEPTH_LESSEQUAL);
+ setAlphaReference(0);
+ setAlphaCompare(Context::ALPHA_ALWAYS);
+ setAlphaBlendEnable(false);
+ setFogEnable(false);
+ setSpecularEnable(false);
+ setFogColor(0);
+ setPixelFogMode(Context::FOG_NONE);
+ setFogStart(0.0f);
+ setFogEnd(1.0f);
+ setFogDensity(1.0f);
+ setRangeFogEnable(false);
+ setStencilEnable(false);
+ setStencilFailOperation(Context::OPERATION_KEEP);
+ setStencilZFailOperation(Context::OPERATION_KEEP);
+ setStencilPassOperation(Context::OPERATION_KEEP);
+ setStencilCompare(Context::STENCIL_ALWAYS);
+ setStencilReference(0);
+ setStencilMask(0xFFFFFFFF);
+ setStencilWriteMask(0xFFFFFFFF);
+ setVertexFogMode(Context::FOG_NONE);
+ setClipFlags(0);
+ setPointSize(1.0f);
+ setPointSizeMin(0.125f);
+ setPointSpriteEnable(false);
+ setPointSizeMax(8192.0f);
+ setColorWriteMask(0, 0x0000000F);
+ setBlendOperation(Context::BLENDOP_ADD);
+ scissorEnable = false;
+ setSlopeDepthBias(0.0f);
+ setTwoSidedStencil(false);
+ setStencilFailOperationCCW(Context::OPERATION_KEEP);
+ setStencilZFailOperationCCW(Context::OPERATION_KEEP);
+ setStencilPassOperationCCW(Context::OPERATION_KEEP);
+ setStencilCompareCCW(Context::STENCIL_ALWAYS);
+ setColorWriteMask(1, 0x0000000F);
+ setColorWriteMask(2, 0x0000000F);
+ setColorWriteMask(3, 0x0000000F);
+ setBlendConstant(0xFFFFFFFF);
+ setWriteSRGB(false);
+ setDepthBias(0.0f);
+ setSeparateAlphaBlendEnable(false);
+ setSourceBlendFactorAlpha(Context::BLEND_ONE);
+ setDestBlendFactorAlpha(Context::BLEND_ZERO);
+ setBlendOperationAlpha(Context::BLENDOP_ADD);
+
+ for(int i = 0; i < 16; i++)
+ {
+ setAddressingModeU(sw::SAMPLER_PIXEL, i, ADDRESSING_WRAP);
+ setAddressingModeV(sw::SAMPLER_PIXEL, i, ADDRESSING_WRAP);
+ setAddressingModeW(sw::SAMPLER_PIXEL, i, ADDRESSING_WRAP);
+ setBorderColor(sw::SAMPLER_PIXEL, i, 0x00000000);
+ setTextureFilter(sw::SAMPLER_PIXEL, i, FILTER_POINT);
+ setMipmapFilter(sw::SAMPLER_PIXEL, i, MIPMAP_NONE);
+ setMipmapLOD(sw::SAMPLER_PIXEL, i, 0.0f);
+ }
+
+ for(int i = 0; i < 4; i++)
+ {
+ setAddressingModeU(sw::SAMPLER_VERTEX, i, ADDRESSING_WRAP);
+ setAddressingModeV(sw::SAMPLER_VERTEX, i, ADDRESSING_WRAP);
+ setAddressingModeW(sw::SAMPLER_VERTEX, i, ADDRESSING_WRAP);
+ setBorderColor(sw::SAMPLER_VERTEX, i, 0x00000000);
+ setTextureFilter(sw::SAMPLER_VERTEX, i, FILTER_POINT);
+ setMipmapFilter(sw::SAMPLER_VERTEX, i, MIPMAP_NONE);
+ setMipmapLOD(sw::SAMPLER_VERTEX, i, 0.0f);
+ }
+
+ for(int i = 0; i < 6; i++)
+ {
+ float plane[4] = {0, 0, 0, 0};
+
+ setClipPlane(i, plane);
+ }
+
+ pixelShader = 0;
+ vertexShader = 0;
+
+ pixelShaderDirty = true;
+ pixelShaderConstantsFDirty = 0;
+ vertexShaderDirty = true;
+ vertexShaderConstantsFDirty = 0;
+
+ for(int i = 0; i < 224; i++)
+ {
+ float zero[4] = {0, 0, 0, 0};
+
+ setPixelShaderConstantF(i, zero, 1);
+ }
+
+ for(int i = 0; i < 256; i++)
+ {
+ float zero[4] = {0, 0, 0, 0};
+
+ setVertexShaderConstantF(i, zero, 1);
+ }
+ }
+
+ Device::~Device()
+ {
+ if(depthStencil)
+ {
+ depthStencil->release();
+ depthStencil = 0;
+ }
+
+ if(renderTarget)
+ {
+ renderTarget->release();
+ renderTarget = 0;
+ }
+
+ delete context;
+ }
+
+ void Device::clearColor(unsigned int color, unsigned int rgbaMask)
+ {
+ TRACE("unsigned long color = 0x%0.8X", color);
+
+ if(!renderTarget)
+ {
+ return;
+ }
+
+ int x0 = 0;
+ int y0 = 0;
+ int width = renderTarget->getExternalWidth();
+ int height = renderTarget->getExternalHeight();
+
+ if(scissorEnable) // Clamp against scissor rectangle
+ {
+ if(x0 < scissorRect.x0) x0 = scissorRect.x0;
+ if(y0 < scissorRect.y0) y0 = scissorRect.y0;
+ if(width > scissorRect.x1 - scissorRect.x0) width = scissorRect.x1 - scissorRect.x0;
+ if(height > scissorRect.y1 - scissorRect.y0) height = scissorRect.y1 - scissorRect.y0;
+ }
+
+ renderTarget->clearColorBuffer(color, rgbaMask, x0, y0, width, height);
+ }
+
+ void Device::clearDepth(float z)
+ {
+ TRACE("float z = %f", z);
+
+ if(!depthStencil)
+ {
+ return;
+ }
+
+ if(z > 1) z = 1;
+ if(z < 0) z = 0;
+
+ int x0 = 0;
+ int y0 = 0;
+ int width = depthStencil->getExternalWidth();
+ int height = depthStencil->getExternalHeight();
+
+ if(scissorEnable) // Clamp against scissor rectangle
+ {
+ if(x0 < scissorRect.x0) x0 = scissorRect.x0;
+ if(y0 < scissorRect.y0) y0 = scissorRect.y0;
+ if(width > scissorRect.x1 - scissorRect.x0) width = scissorRect.x1 - scissorRect.x0;
+ if(height > scissorRect.y1 - scissorRect.y0) height = scissorRect.y1 - scissorRect.y0;
+ }
+
+ depthStencil->clearDepthBuffer(z, x0, y0, width, height);
+ }
+
+ void Device::clearStencil(unsigned int stencil, unsigned int mask)
+ {
+ TRACE("unsigned long stencil = %d", stencil);
+
+ if(!depthStencil)
+ {
+ return;
+ }
+
+ int x0 = 0;
+ int y0 = 0;
+ int width = depthStencil->getExternalWidth();
+ int height = depthStencil->getExternalHeight();
+
+ if(scissorEnable) // Clamp against scissor rectangle
+ {
+ if(x0 < scissorRect.x0) x0 = scissorRect.x0;
+ if(y0 < scissorRect.y0) y0 = scissorRect.y0;
+ if(width > scissorRect.x1 - scissorRect.x0) width = scissorRect.x1 - scissorRect.x0;
+ if(height > scissorRect.y1 - scissorRect.y0) height = scissorRect.y1 - scissorRect.y0;
+ }
+
+ depthStencil->clearStencilBuffer(stencil, mask, x0, y0, width, height);
+ }
+
+ Image *Device::createDepthStencilSurface(unsigned int width, unsigned int height, sw::Format format, int multiSampleDepth, bool discard)
+ {
+ TRACE("unsigned int width = %d, unsigned int height = %d, sw::Format format = %d, int multiSampleDepth = %d, bool discard = %d", width, height, format, multiSampleDepth, discard);
+
+ if(width == 0 || height == 0 || height > OUTLINE_RESOLUTION)
+ {
+ ERR("Invalid parameters");
+ return 0;
+ }
+
+ bool lockable = true;
+
+ switch(format)
+ {
+ // case FORMAT_D15S1:
+ case FORMAT_D24S8:
+ case FORMAT_D24X8:
+ // case FORMAT_D24X4S4:
+ case FORMAT_D24FS8:
+ case FORMAT_D32:
+ case FORMAT_D16:
+ lockable = false;
+ break;
+ // case FORMAT_S8_LOCKABLE:
+ // case FORMAT_D16_LOCKABLE:
+ case FORMAT_D32F_LOCKABLE:
+ // case FORMAT_D32_LOCKABLE:
+ case FORMAT_DF24S8:
+ case FORMAT_DF16S8:
+ lockable = true;
+ break;
+ default:
+ UNREACHABLE();
+ }
+
+ Image *surface = new Image(0, width, height, format, GL_NONE, GL_NONE, multiSampleDepth, lockable, true);
+
+ if(!surface)
+ {
+ ERR("Out of memory");
+ return 0;
+ }
+
+ surface->addRef();
+
+ return surface;
+ }
+
+ Image *Device::createRenderTarget(unsigned int width, unsigned int height, sw::Format format, int multiSampleDepth, bool lockable)
+ {
+ TRACE("unsigned int width = %d, unsigned int height = %d, sw::Format format = %d, int multiSampleDepth = %d, bool lockable = %d", width, height, format, multiSampleDepth, lockable);
+
+ if(height > OUTLINE_RESOLUTION)
+ {
+ ERR("Invalid parameters");
+ return 0;
+ }
+
+ Image *surface = new Image(0, width, height, format, GL_NONE, GL_NONE, multiSampleDepth, lockable, true);
+
+ if(!surface)
+ {
+ ERR("Out of memory");
+ return 0;
+ }
+
+ surface->addRef();
+
+ return surface;
+ }
+
+ void Device::drawIndexedPrimitive(PrimitiveType type, unsigned int indexOffset, unsigned int primitiveCount, int indexSize)
+ {
+ TRACE("");
+
+ if(!bindResources() || !primitiveCount)
+ {
+ return;
+ }
+
+ Context::DrawType drawType;
+
+ if(indexSize == 4)
+ {
+ switch(type)
+ {
+ case DRAW_POINTLIST: drawType = Context::DRAW_INDEXEDPOINTLIST32; break;
+ case DRAW_LINELIST: drawType = Context::DRAW_INDEXEDLINELIST32; break;
+ case DRAW_LINESTRIP: drawType = Context::DRAW_INDEXEDLINESTRIP32; break;
+ case DRAW_LINELOOP: drawType = Context::DRAW_INDEXEDLINELOOP32; break;
+ case DRAW_TRIANGLELIST: drawType = Context::DRAW_INDEXEDTRIANGLELIST32; break;
+ case DRAW_TRIANGLESTRIP: drawType = Context::DRAW_INDEXEDTRIANGLESTRIP32; break;
+ case DRAW_TRIANGLEFAN: drawType = Context::DRAW_INDEXEDTRIANGLEFAN32; break;
+ default: UNREACHABLE();
+ }
+ }
+ else if(indexSize == 2)
+ {
+ switch(type)
+ {
+ case DRAW_POINTLIST: drawType = Context::DRAW_INDEXEDPOINTLIST16; break;
+ case DRAW_LINELIST: drawType = Context::DRAW_INDEXEDLINELIST16; break;
+ case DRAW_LINESTRIP: drawType = Context::DRAW_INDEXEDLINESTRIP16; break;
+ case DRAW_LINELOOP: drawType = Context::DRAW_INDEXEDLINELOOP16; break;
+ case DRAW_TRIANGLELIST: drawType = Context::DRAW_INDEXEDTRIANGLELIST16; break;
+ case DRAW_TRIANGLESTRIP: drawType = Context::DRAW_INDEXEDTRIANGLESTRIP16; break;
+ case DRAW_TRIANGLEFAN: drawType = Context::DRAW_INDEXEDTRIANGLEFAN16; break;
+ default: UNREACHABLE();
+ }
+ }
+ else if(indexSize == 1)
+ {
+ switch(type)
+ {
+ case DRAW_POINTLIST: drawType = Context::DRAW_INDEXEDPOINTLIST8; break;
+ case DRAW_LINELIST: drawType = Context::DRAW_INDEXEDLINELIST8; break;
+ case DRAW_LINESTRIP: drawType = Context::DRAW_INDEXEDLINESTRIP8; break;
+ case DRAW_LINELOOP: drawType = Context::DRAW_INDEXEDLINELOOP8; break;
+ case DRAW_TRIANGLELIST: drawType = Context::DRAW_INDEXEDTRIANGLELIST8; break;
+ case DRAW_TRIANGLESTRIP: drawType = Context::DRAW_INDEXEDTRIANGLESTRIP8; break;
+ case DRAW_TRIANGLEFAN: drawType = Context::DRAW_INDEXEDTRIANGLEFAN8; break;
+ default: UNREACHABLE();
+ }
+ }
+ else UNREACHABLE();
+
+ draw(drawType, indexOffset, primitiveCount);
+ }
+
+ void Device::drawPrimitive(PrimitiveType primitiveType, unsigned int primitiveCount)
+ {
+ TRACE("");
+
+ if(!bindResources() || !primitiveCount)
+ {
+ return;
+ }
+
+ setIndexBuffer(0);
+
+ Context::DrawType drawType;
+
+ switch(primitiveType)
+ {
+ case DRAW_POINTLIST: drawType = Context::DRAW_POINTLIST; break;
+ case DRAW_LINELIST: drawType = Context::DRAW_LINELIST; break;
+ case DRAW_LINESTRIP: drawType = Context::DRAW_LINESTRIP; break;
+ case DRAW_LINELOOP: drawType = Context::DRAW_LINELOOP; break;
+ case DRAW_TRIANGLELIST: drawType = Context::DRAW_TRIANGLELIST; break;
+ case DRAW_TRIANGLESTRIP: drawType = Context::DRAW_TRIANGLESTRIP; break;
+ case DRAW_TRIANGLEFAN: drawType = Context::DRAW_TRIANGLEFAN; break;
+ default: UNREACHABLE();
+ }
+
+ draw(drawType, 0, primitiveCount);
+ }
+
+ void Device::setDepthStencilSurface(Image *depthStencil)
+ {
+ TRACE("Image *newDepthStencil = 0x%0.8p", depthStencil);
+
+ if(this->depthStencil == depthStencil)
+ {
+ return;
+ }
+
+ if(depthStencil)
+ {
+ depthStencil->addRef();
+ }
+
+ if(this->depthStencil)
+ {
+ this->depthStencil->release();
+ }
+
+ this->depthStencil = depthStencil;
+
+ setDepthStencil(depthStencil);
+ }
+
+ void Device::setPixelShader(PixelShader *pixelShader)
+ {
+ TRACE("PixelShader *shader = 0x%0.8p", pixelShader);
+
+ this->pixelShader = pixelShader;
+ pixelShaderDirty = true;
+ }
+
+ void Device::setPixelShaderConstantF(unsigned int startRegister, const float *constantData, unsigned int count)
+ {
+ TRACE("unsigned int startRegister = %d, const int *constantData = 0x%0.8p, unsigned int count = %d", startRegister, constantData, count);
+
+ for(unsigned int i = 0; i < count && startRegister + i < 224; i++)
+ {
+ pixelShaderConstantF[startRegister + i][0] = constantData[i * 4 + 0];
+ pixelShaderConstantF[startRegister + i][1] = constantData[i * 4 + 1];
+ pixelShaderConstantF[startRegister + i][2] = constantData[i * 4 + 2];
+ pixelShaderConstantF[startRegister + i][3] = constantData[i * 4 + 3];
+ }
+
+ pixelShaderConstantsFDirty = max(startRegister + count, pixelShaderConstantsFDirty);
+ pixelShaderDirty = true; // Reload DEF constants
+ }
+
+ void Device::setScissorEnable(bool enable)
+ {
+ scissorEnable = enable;
+ }
+
+ void Device::setRenderTarget(Image *renderTarget)
+ {
+ TRACE("Image *newRenderTarget = 0x%0.8p", renderTarget);
+
+ if(renderTarget)
+ {
+ renderTarget->addRef();
+ }
+
+ if(this->renderTarget)
+ {
+ this->renderTarget->release();
+ }
+
+ this->renderTarget = renderTarget;
+
+ Renderer::setRenderTarget(0, renderTarget);
+ }
+
+ void Device::setScissorRect(const sw::Rect &rect)
+ {
+ TRACE("const sw::Rect *rect = 0x%0.8p", rect);
+
+ scissorRect = rect;
+ }
+
+ void Device::setVertexShader(VertexShader *vertexShader)
+ {
+ TRACE("VertexShader *shader = 0x%0.8p", vertexShader);
+
+ this->vertexShader = vertexShader;
+ vertexShaderDirty = true;
+ }
+
+ void Device::setVertexShaderConstantF(unsigned int startRegister, const float *constantData, unsigned int count)
+ {
+ TRACE("unsigned int startRegister = %d, const int *constantData = 0x%0.8p, unsigned int count = %d", startRegister, constantData, count);
+
+ for(unsigned int i = 0; i < count && startRegister + i < 256; i++)
+ {
+ vertexShaderConstantF[startRegister + i][0] = constantData[i * 4 + 0];
+ vertexShaderConstantF[startRegister + i][1] = constantData[i * 4 + 1];
+ vertexShaderConstantF[startRegister + i][2] = constantData[i * 4 + 2];
+ vertexShaderConstantF[startRegister + i][3] = constantData[i * 4 + 3];
+ }
+
+ vertexShaderConstantsFDirty = max(startRegister + count, vertexShaderConstantsFDirty);
+ vertexShaderDirty = true; // Reload DEF constants
+ }
+
+ void Device::setViewport(const Viewport &viewport)
+ {
+ TRACE("const Viewport *viewport = 0x%0.8p", viewport);
+
+ this->viewport = viewport;
+ }
+
+ bool Device::stretchRect(Image *source, const sw::Rect *sourceRect, Image *dest, const sw::Rect *destRect, bool filter)
+ {
+ TRACE("Image *sourceSurface = 0x%0.8p, const sw::Rect *sourceRect = 0x%0.8p, Image *destSurface = 0x%0.8p, const sw::Rect *destRect = 0x%0.8p, bool filter = %d", source, sourceRect, dest, destRect, filter);
+
+ if(!source || !dest || !validRectangle(sourceRect, source) || !validRectangle(destRect, dest))
+ {
+ ERR("Invalid parameters");
+ return false;
+ }
+
+ int sWidth = source->getExternalWidth();
+ int sHeight = source->getExternalHeight();
+ int dWidth = dest->getExternalWidth();
+ int dHeight = dest->getExternalHeight();
+
+ Rect sRect;
+ Rect dRect;
+
+ if(sourceRect)
+ {
+ sRect = *sourceRect;
+ }
+ else
+ {
+ sRect.y0 = 0;
+ sRect.x0 = 0;
+ sRect.y1 = sHeight;
+ sRect.x1 = sWidth;
+ }
+
+ if(destRect)
+ {
+ dRect = *destRect;
+ }
+ else
+ {
+ dRect.y0 = 0;
+ dRect.x0 = 0;
+ dRect.y1 = dHeight;
+ dRect.x1 = dWidth;
+ }
+
+ bool scaling = (sRect.x1 - sRect.x0 != dRect.x1 - dRect.x0) || (sRect.y1 - sRect.y0 != dRect.y1 - dRect.y0);
+ bool equalFormats = source->getInternalFormat() == dest->getInternalFormat();
+ bool depthStencil = Image::isDepth(source->getInternalFormat()) || Image::isStencil(source->getInternalFormat());
+ bool alpha0xFF = false;
+
+ if((source->getInternalFormat() == FORMAT_A8R8G8B8 && dest->getInternalFormat() == FORMAT_X8R8G8B8) ||
+ (source->getInternalFormat() == FORMAT_X8R8G8B8 && dest->getInternalFormat() == FORMAT_A8R8G8B8))
+ {
+ equalFormats = true;
+ alpha0xFF = true;
+ }
+
+ if(depthStencil) // Copy entirely, internally // FIXME: Check
+ {
+ if(source->hasDepth())
+ {
+ sw::byte *sourceBuffer = (sw::byte*)source->lockInternal(0, 0, 0, LOCK_READONLY, PUBLIC);
+ sw::byte *destBuffer = (sw::byte*)dest->lockInternal(0, 0, 0, LOCK_DISCARD, PUBLIC);
+
+ unsigned int width = source->getInternalWidth();
+ unsigned int height = source->getInternalHeight();
+ unsigned int pitch = source->getInternalPitchB();
+
+ for(unsigned int y = 0; y < height; y++)
+ {
+ memcpy(destBuffer, sourceBuffer, pitch); // FIXME: Only copy width * bytes
+
+ sourceBuffer += pitch;
+ destBuffer += pitch;
+ }
+
+ source->unlockInternal();
+ dest->unlockInternal();
+ }
+
+ if(source->hasStencil())
+ {
+ sw::byte *sourceBuffer = (sw::byte*)source->lockStencil(0, PUBLIC);
+ sw::byte *destBuffer = (sw::byte*)dest->lockStencil(0, PUBLIC);
+
+ unsigned int width = source->getInternalWidth();
+ unsigned int height = source->getInternalHeight();
+ unsigned int pitch = source->getStencilPitchB();
+
+ for(unsigned int y = 0; y < height; y++)
+ {
+ memcpy(destBuffer, sourceBuffer, pitch); // FIXME: Only copy width * bytes
+
+ sourceBuffer += pitch;
+ destBuffer += pitch;
+ }
+
+ source->unlockStencil();
+ dest->unlockStencil();
+ }
+ }
+ else if(!scaling && equalFormats)
+ {
+ unsigned char *sourceBytes = (unsigned char*)source->lockInternal(sRect.x0, sRect.y0, 0, LOCK_READONLY, PUBLIC);
+ unsigned char *destBytes = (unsigned char*)dest->lockInternal(dRect.x0, dRect.y0, 0, LOCK_READWRITE, PUBLIC);
+ unsigned int sourcePitch = source->getInternalPitchB();
+ unsigned int destPitch = dest->getInternalPitchB();
+
+ unsigned int width = dRect.x1 - dRect.x0;
+ unsigned int height = dRect.y1 - dRect.y0;
+ unsigned int bytes = width * Image::bytes(source->getInternalFormat());
+
+ for(unsigned int y = 0; y < height; y++)
+ {
+ memcpy(destBytes, sourceBytes, bytes);
+
+ if(alpha0xFF)
+ {
+ for(unsigned int x = 0; x < width; x++)
+ {
+ destBytes[4 * x + 3] = 0xFF;
+ }
+ }
+
+ sourceBytes += sourcePitch;
+ destBytes += destPitch;
+ }
+
+ source->unlockInternal();
+ dest->unlockInternal();
+ }
+ else
+ {
+ blit(source, sRect, dest, dRect, scaling && filter);
+ }
+
+ return true;
+ }
+
+ bool Device::bindResources()
+ {
+ if(!bindViewport())
+ {
+ return false; // Zero-area target region
+ }
+
+ bindShaderConstants();
+
+ return true;
+ }
+
+ void Device::bindShaderConstants()
+ {
+ if(pixelShaderDirty)
+ {
+ if(pixelShader)
+ {
+ if(pixelShaderConstantsFDirty)
+ {
+ Renderer::setPixelShaderConstantF(0, pixelShaderConstantF[0], pixelShaderConstantsFDirty);
+ }
+
+ Renderer::setPixelShader(pixelShader); // Loads shader constants set with DEF
+ pixelShaderConstantsFDirty = pixelShader->dirtyConstantsF; // Shader DEF'ed constants are dirty
+ }
+ else
+ {
+ setPixelShader(0);
+ }
+
+ pixelShaderDirty = false;
+ }
+
+ if(vertexShaderDirty)
+ {
+ if(vertexShader)
+ {
+ if(vertexShaderConstantsFDirty)
+ {
+ Renderer::setVertexShaderConstantF(0, vertexShaderConstantF[0], vertexShaderConstantsFDirty);
+ }
+
+ Renderer::setVertexShader(vertexShader); // Loads shader constants set with DEF
+ vertexShaderConstantsFDirty = vertexShader->dirtyConstantsF; // Shader DEF'ed constants are dirty
+ }
+ else
+ {
+ setVertexShader(0);
+ }
+
+ vertexShaderDirty = false;
+ }
+ }
+
+ bool Device::bindViewport()
+ {
+ if(viewport.width <= 0 || viewport.height <= 0)
+ {
+ return false;
+ }
+
+ if(scissorEnable)
+ {
+ if(scissorRect.x0 >= scissorRect.x1 || scissorRect.y0 >= scissorRect.y1)
+ {
+ return false;
+ }
+
+ sw::Rect scissor;
+ scissor.x0 = scissorRect.x0;
+ scissor.x1 = scissorRect.x1;
+ scissor.y0 = scissorRect.y0;
+ scissor.y1 = scissorRect.y1;
+
+ setScissor(scissor);
+ }
+ else
+ {
+ sw::Rect scissor;
+ scissor.x0 = viewport.x0;
+ scissor.x1 = viewport.x0 + viewport.width;
+ scissor.y0 = viewport.y0;
+ scissor.y1 = viewport.y0 + viewport.height;
+
+ if(renderTarget)
+ {
+ scissor.x0 = max(scissor.x0, 0);
+ scissor.x1 = min(scissor.x1, renderTarget->getExternalWidth());
+ scissor.y0 = max(scissor.y0, 0);
+ scissor.y1 = min(scissor.y1, renderTarget->getExternalHeight());
+ }
+
+ if(depthStencil)
+ {
+ scissor.x0 = max(scissor.x0, 0);
+ scissor.x1 = min(scissor.x1, depthStencil->getExternalWidth());
+ scissor.y0 = max(scissor.y0, 0);
+ scissor.y1 = min(scissor.y1, depthStencil->getExternalHeight());
+ }
+
+ setScissor(scissor);
+ }
+
+ sw::Viewport view;
+ view.x0 = (float)viewport.x0;
+ view.y0 = (float)viewport.y0;
+ view.width = (float)viewport.width;
+ view.height = (float)viewport.height;
+ view.minZ = viewport.minZ;
+ view.maxZ = viewport.maxZ;
+
+ Renderer::setViewport(view);
+
+ return true;
+ }
+
+ bool Device::validRectangle(const sw::Rect *rect, Image *surface)
+ {
+ if(!rect)
+ {
+ return true;
+ }
+
+ if(rect->x1 <= rect->x0 || rect->y1 <= rect->y0)
+ {
+ return false;
+ }
+
+ if(rect->x0 < 0 || rect->y0 < 0)
+ {
+ return false;
+ }
+
+ if(rect->x1 > (int)surface->getWidth() || rect->y1 > (int)surface->getHeight())
+ {
+ return false;
+ }
+
+ return true;
+ }
+
+ void Device::finish()
+ {
+ synchronize();
+ }
+}
+
+// Exported functions for use by EGL
+extern "C"
+{
+ gl::Device *createDevice()
+ {
+ sw::Context *context = new sw::Context();
+
+ if(context)
+ {
+ return new gl::Device(context);
+ }
+
+ return 0;
+ }
+}
\ No newline at end of file
diff --git a/src/GLES2/libGLESv2/Device.hpp b/src/GLES2/libGLESv2/Device.hpp
new file mode 100644
index 0000000..dcee30f
--- /dev/null
+++ b/src/GLES2/libGLESv2/Device.hpp
@@ -0,0 +1,103 @@
+// SwiftShader Software Renderer
+//
+// Copyright(c) 2005-2012 TransGaming Inc.
+//
+// All rights reserved. No part of this software may be copied, distributed, transmitted,
+// transcribed, stored in a retrieval system, translated into any human or computer
+// language by any means, or disclosed to third parties without the explicit written
+// agreement of TransGaming Inc. Without such an agreement, no rights or licenses, express
+// or implied, including but not limited to any patent rights, are granted to you.
+//
+
+#ifndef gl_Device_hpp
+#define gl_Device_hpp
+
+#include "Renderer/Renderer.hpp"
+
+namespace gl
+{
+ class Texture;
+}
+
+namespace gl
+{
+ class Image;
+
+ enum PrimitiveType
+ {
+ DRAW_POINTLIST,
+ DRAW_LINELIST,
+ DRAW_LINESTRIP,
+ DRAW_LINELOOP,
+ DRAW_TRIANGLELIST,
+ DRAW_TRIANGLESTRIP,
+ DRAW_TRIANGLEFAN
+ };
+
+ struct Viewport
+ {
+ int x0;
+ int y0;
+ unsigned int width;
+ unsigned int height;
+ float minZ;
+ float maxZ;
+ };
+
+ class Device : public sw::Renderer
+ {
+ public:
+ explicit Device(sw::Context *context);
+
+ virtual ~Device();
+
+ virtual void clearColor(unsigned int color, unsigned int rgbaMask);
+ virtual void clearDepth(float z);
+ virtual void clearStencil(unsigned int stencil, unsigned int mask);
+ virtual Image *createDepthStencilSurface(unsigned int width, unsigned int height, sw::Format format, int multiSampleDepth, bool discard);
+ virtual Image *createRenderTarget(unsigned int width, unsigned int height, sw::Format format, int multiSampleDepth, bool lockable);
+ virtual void drawIndexedPrimitive(PrimitiveType type, unsigned int indexOffset, unsigned int primitiveCount, int indexSize);
+ virtual void drawPrimitive(PrimitiveType primitiveType, unsigned int primiveCount);
+ virtual void setDepthStencilSurface(Image *newDepthStencil);
+ virtual void setPixelShader(sw::PixelShader *shader);
+ virtual void setPixelShaderConstantF(unsigned int startRegister, const float *constantData, unsigned int count);
+ virtual void setScissorEnable(bool enable);
+ virtual void setRenderTarget(Image *renderTarget);
+ virtual void setScissorRect(const sw::Rect &rect);
+ virtual void setVertexShader(sw::VertexShader *shader);
+ virtual void setVertexShaderConstantF(unsigned int startRegister, const float *constantData, unsigned int count);
+ virtual void setViewport(const Viewport &viewport);
+
+ virtual bool stretchRect(Image *sourceSurface, const sw::Rect *sourceRect, Image *destSurface, const sw::Rect *destRect, bool filter);
+ virtual void finish();
+
+ private:
+ sw::Context *const context;
+
+ bool bindResources();
+ void bindShaderConstants();
+ bool bindViewport(); // Also adjusts for scissoring
+
+ bool validRectangle(const sw::Rect *rect, Image *surface);
+
+ Viewport viewport;
+ sw::Rect scissorRect;
+ bool scissorEnable;
+
+ sw::PixelShader *pixelShader;
+ sw::VertexShader *vertexShader;
+
+ bool pixelShaderDirty;
+ int pixelShaderConstantsFDirty;
+ bool vertexShaderDirty;
+ int vertexShaderConstantsFDirty;
+
+ float pixelShaderConstantF[224][4];
+ float vertexShaderConstantF[256][4];
+
+ Image *renderTarget;
+ Image *depthStencil;
+ };
+}
+
+#endif // gl_Device_hpp
diff --git a/src/GLES2/libGLESv2/Fence.cpp b/src/GLES2/libGLESv2/Fence.cpp
new file mode 100644
index 0000000..8221075
--- /dev/null
+++ b/src/GLES2/libGLESv2/Fence.cpp
@@ -0,0 +1,108 @@
+// SwiftShader Software Renderer
+//
+// Copyright(c) 2005-2012 TransGaming Inc.
+//
+// All rights reserved. No part of this software may be copied, distributed, transmitted,
+// transcribed, stored in a retrieval system, translated into any human or computer
+// language by any means, or disclosed to third parties without the explicit written
+// agreement of TransGaming Inc. Without such an agreement, no rights or licenses, express
+// or implied, including but not limited to any patent rights, are granted to you.
+//
+
+// Fence.cpp: Implements the Fence class, which supports the GL_NV_fence extension.
+
+#include "Fence.h"
+
+#include "main.h"
+#include "Common/Thread.hpp"
+
+namespace gl
+{
+
+Fence::Fence()
+{
+ mQuery = false;
+ mCondition = GL_NONE;
+ mStatus = GL_FALSE;
+}
+
+Fence::~Fence()
+{
+ mQuery = false;
+}
+
+GLboolean Fence::isFence()
+{
+ // GL_NV_fence spec:
+ // A name returned by GenFencesNV, but not yet set via SetFenceNV, is not the name of an existing fence.
+ return mQuery;
+}
+
+void Fence::setFence(GLenum condition)
+{
+ mQuery = true;
+ mCondition = condition;
+ mStatus = GL_FALSE;
+}
+
+GLboolean Fence::testFence()
+{
+ if(!mQuery)
+ {
+ return error(GL_INVALID_OPERATION, GL_TRUE);
+ }
+
+ UNIMPLEMENTED();
+ mStatus = GL_TRUE;
+
+ return mStatus;
+}
+
+void Fence::finishFence()
+{
+ if(!mQuery)
+ {
+ return error(GL_INVALID_OPERATION);
+ }
+
+ while(!testFence())
+ {
+ sw::Thread::yield();
+ }
+}
+
+void Fence::getFenceiv(GLenum pname, GLint *params)
+{
+ if(!mQuery)
+ {
+ return error(GL_INVALID_OPERATION);
+ }
+
+ switch (pname)
+ {
+ case GL_FENCE_STATUS_NV:
+ {
+ // GL_NV_fence spec:
+ // Once the status of a fence has been finished (via FinishFenceNV) or tested and the returned status is TRUE (via either TestFenceNV
+ // or GetFenceivNV querying the FENCE_STATUS_NV), the status remains TRUE until the next SetFenceNV of the fence.
+ if(mStatus)
+ {
+ params[0] = GL_TRUE;
+ return;
+ }
+
+ mStatus = testFence();
+
+ params[0] = mStatus;
+ break;
+ }
+ case GL_FENCE_CONDITION_NV:
+ params[0] = mCondition;
+ break;
+ default:
+ return error(GL_INVALID_ENUM);
+ break;
+ }
+}
+
+}
diff --git a/src/GLES2/libGLESv2/Fence.h b/src/GLES2/libGLESv2/Fence.h
new file mode 100644
index 0000000..bd6d9ac
--- /dev/null
+++ b/src/GLES2/libGLESv2/Fence.h
@@ -0,0 +1,43 @@
+// SwiftShader Software Renderer
+//
+// Copyright(c) 2005-2012 TransGaming Inc.
+//
+// All rights reserved. No part of this software may be copied, distributed, transmitted,
+// transcribed, stored in a retrieval system, translated into any human or computer
+// language by any means, or disclosed to third parties without the explicit written
+// agreement of TransGaming Inc. Without such an agreement, no rights or licenses, express
+// or implied, including but not limited to any patent rights, are granted to you.
+//
+
+// Fence.h: Defines the Fence class, which supports the GL_NV_fence extension.
+
+#ifndef LIBGLESV2_FENCE_H_
+#define LIBGLESV2_FENCE_H_
+
+#define GL_APICALL
+#include <GLES2/gl2.h>
+
+namespace gl
+{
+
+class Fence
+{
+ public:
+ Fence();
+ virtual ~Fence();
+
+ GLboolean isFence();
+ void setFence(GLenum condition);
+ GLboolean testFence();
+ void finishFence();
+ void getFenceiv(GLenum pname, GLint *params);
+
+ private:
+ bool mQuery;
+ GLenum mCondition;
+ GLboolean mStatus;
+};
+
+}
+
+#endif // LIBGLESV2_FENCE_H_
diff --git a/src/GLES2/libGLESv2/Framebuffer.cpp b/src/GLES2/libGLESv2/Framebuffer.cpp
new file mode 100644
index 0000000..8ba7d9e
--- /dev/null
+++ b/src/GLES2/libGLESv2/Framebuffer.cpp
@@ -0,0 +1,423 @@
+// SwiftShader Software Renderer
+//
+// Copyright(c) 2005-2013 TransGaming Inc.
+//
+// All rights reserved. No part of this software may be copied, distributed, transmitted,
+// transcribed, stored in a retrieval system, translated into any human or computer
+// language by any means, or disclosed to third parties without the explicit written
+// agreement of TransGaming Inc. Without such an agreement, no rights or licenses, express
+// or implied, including but not limited to any patent rights, are granted to you.
+//
+
+// Framebuffer.cpp: Implements the Framebuffer class. Implements GL framebuffer
+// objects and related functionality. [OpenGL ES 2.0.24] section 4.4 page 105.
+
+#include "Framebuffer.h"
+
+#include "main.h"
+#include "Renderbuffer.h"
+#include "Texture.h"
+#include "utilities.h"
+
+namespace gl
+{
+
+Framebuffer::Framebuffer()
+{
+ mColorbufferType = GL_NONE;
+ mDepthbufferType = GL_NONE;
+ mStencilbufferType = GL_NONE;
+}
+
+Framebuffer::~Framebuffer()
+{
+ mColorbufferPointer.set(NULL);
+ mDepthbufferPointer.set(NULL);
+ mStencilbufferPointer.set(NULL);
+}
+
+Renderbuffer *Framebuffer::lookupRenderbuffer(GLenum type, GLuint handle) const
+{
+ Context *context = getContext();
+ Renderbuffer *buffer = NULL;
+
+ if(type == GL_NONE)
+ {
+ buffer = NULL;
+ }
+ else if(type == GL_RENDERBUFFER)
+ {
+ buffer = context->getRenderbuffer(handle);
+ }
+ else if(IsTextureTarget(type))
+ {
+ buffer = context->getTexture(handle)->getRenderbuffer(type);
+ }
+ else
+ {
+ UNREACHABLE();
+ }
+
+ return buffer;
+}
+
+void Framebuffer::setColorbuffer(GLenum type, GLuint colorbuffer)
+{
+ mColorbufferType = (colorbuffer != 0) ? type : GL_NONE;
+ mColorbufferPointer.set(lookupRenderbuffer(type, colorbuffer));
+}
+
+void Framebuffer::setDepthbuffer(GLenum type, GLuint depthbuffer)
+{
+ mDepthbufferType = (depthbuffer != 0) ? type : GL_NONE;
+ mDepthbufferPointer.set(lookupRenderbuffer(type, depthbuffer));
+}
+
+void Framebuffer::setStencilbuffer(GLenum type, GLuint stencilbuffer)
+{
+ mStencilbufferType = (stencilbuffer != 0) ? type : GL_NONE;
+ mStencilbufferPointer.set(lookupRenderbuffer(type, stencilbuffer));
+}
+
+void Framebuffer::detachTexture(GLuint texture)
+{
+ if(mColorbufferPointer.id() == texture && IsTextureTarget(mColorbufferType))
+ {
+ mColorbufferType = GL_NONE;
+ mColorbufferPointer.set(NULL);
+ }
+
+ if(mDepthbufferPointer.id() == texture && IsTextureTarget(mDepthbufferType))
+ {
+ mDepthbufferType = GL_NONE;
+ mDepthbufferPointer.set(NULL);
+ }
+
+ if(mStencilbufferPointer.id() == texture && IsTextureTarget(mStencilbufferType))
+ {
+ mStencilbufferType = GL_NONE;
+ mStencilbufferPointer.set(NULL);
+ }
+}
+
+void Framebuffer::detachRenderbuffer(GLuint renderbuffer)
+{
+ if(mColorbufferPointer.id() == renderbuffer && mColorbufferType == GL_RENDERBUFFER)
+ {
+ mColorbufferType = GL_NONE;
+ mColorbufferPointer.set(NULL);
+ }
+
+ if(mDepthbufferPointer.id() == renderbuffer && mDepthbufferType == GL_RENDERBUFFER)
+ {
+ mDepthbufferType = GL_NONE;
+ mDepthbufferPointer.set(NULL);
+ }
+
+ if(mStencilbufferPointer.id() == renderbuffer && mStencilbufferType == GL_RENDERBUFFER)
+ {
+ mStencilbufferType = GL_NONE;
+ mStencilbufferPointer.set(NULL);
+ }
+}
+
+// Increments refcount on surface.
+// caller must Release() the returned surface
+Image *Framebuffer::getRenderTarget()
+{
+ Renderbuffer *colorbuffer = mColorbufferPointer.get();
+
+ if(colorbuffer)
+ {
+ return colorbuffer->getRenderTarget();
+ }
+
+ return NULL;
+}
+
+// Increments refcount on surface.
+// caller must Release() the returned surface
+Image *Framebuffer::getDepthStencil()
+{
+ Renderbuffer *depthstencilbuffer = mDepthbufferPointer.get();
+
+ if(!depthstencilbuffer)
+ {
+ depthstencilbuffer = mStencilbufferPointer.get();
+ }
+
+ if(depthstencilbuffer)
+ {
+ return depthstencilbuffer->getRenderTarget();
+ }
+
+ return NULL;
+}
+
+Renderbuffer *Framebuffer::getColorbuffer()
+{
+ return mColorbufferPointer.get();
+}
+
+Renderbuffer *Framebuffer::getDepthbuffer()
+{
+ return mDepthbufferPointer.get();
+}
+
+Renderbuffer *Framebuffer::getStencilbuffer()
+{
+ return mStencilbufferPointer.get();
+}
+
+GLenum Framebuffer::getColorbufferType()
+{
+ return mColorbufferType;
+}
+
+GLenum Framebuffer::getDepthbufferType()
+{
+ return mDepthbufferType;
+}
+
+GLenum Framebuffer::getStencilbufferType()
+{
+ return mStencilbufferType;
+}
+
+GLuint Framebuffer::getColorbufferHandle()
+{
+ return mColorbufferPointer.id();
+}
+
+GLuint Framebuffer::getDepthbufferHandle()
+{
+ return mDepthbufferPointer.id();
+}
+
+GLuint Framebuffer::getStencilbufferHandle()
+{
+ return mStencilbufferPointer.id();
+}
+
+bool Framebuffer::hasStencil()
+{
+ if(mStencilbufferType != GL_NONE)
+ {
+ Renderbuffer *stencilbufferObject = getStencilbuffer();
+
+ if(stencilbufferObject)
+ {
+ return stencilbufferObject->getStencilSize() > 0;
+ }
+ }
+
+ return false;
+}
+
+GLenum Framebuffer::completeness()
+{
+ int width;
+ int height;
+ int samples;
+
+ return completeness(width, height, samples);
+}
+
+GLenum Framebuffer::completeness(int &width, int &height, int &samples)
+{
+ width = -1;
+ height = -1;
+ samples = -1;
+
+ if(mColorbufferType != GL_NONE)
+ {
+ Renderbuffer *colorbuffer = getColorbuffer();
+
+ if(!colorbuffer)
+ {
+ return GL_FRAMEBUFFER_INCOMPLETE_ATTACHMENT;
+ }
+
+ if(colorbuffer->getWidth() == 0 || colorbuffer->getHeight() == 0)
+ {
+ return GL_FRAMEBUFFER_INCOMPLETE_ATTACHMENT;
+ }
+
+ if(mColorbufferType == GL_RENDERBUFFER)
+ {
+ if(!gl::IsColorRenderable(colorbuffer->getFormat()))
+ {
+ return GL_FRAMEBUFFER_INCOMPLETE_ATTACHMENT;
+ }
+ }
+ else if(IsTextureTarget(mColorbufferType))
+ {
+ GLenum format = colorbuffer->getFormat();
+
+ if(IsCompressed(format) ||
+ format == GL_ALPHA ||
+ format == GL_LUMINANCE ||
+ format == GL_LUMINANCE_ALPHA)
+ {
+ return GL_FRAMEBUFFER_UNSUPPORTED;
+ }
+
+ if(gl::IsDepthTexture(format) || gl::IsStencilTexture(format))
+ {
+ return GL_FRAMEBUFFER_INCOMPLETE_ATTACHMENT;
+ }
+ }
+ else
+ {
+ UNREACHABLE();
+ return GL_FRAMEBUFFER_INCOMPLETE_ATTACHMENT;
+ }
+
+ width = colorbuffer->getWidth();
+ height = colorbuffer->getHeight();
+ samples = colorbuffer->getSamples();
+ }
+
+ Renderbuffer *depthbuffer = NULL;
+ Renderbuffer *stencilbuffer = NULL;
+
+ if(mDepthbufferType != GL_NONE)
+ {
+ depthbuffer = getDepthbuffer();
+
+ if(!depthbuffer)
+ {
+ return GL_FRAMEBUFFER_INCOMPLETE_ATTACHMENT;
+ }
+
+ if(depthbuffer->getWidth() == 0 || depthbuffer->getHeight() == 0)
+ {
+ return GL_FRAMEBUFFER_INCOMPLETE_ATTACHMENT;
+ }
+
+ if(mDepthbufferType == GL_RENDERBUFFER)
+ {
+ if(!gl::IsDepthRenderable(depthbuffer->getFormat()))
+ {
+ return GL_FRAMEBUFFER_INCOMPLETE_ATTACHMENT;
+ }
+ }
+ else if(IsTextureTarget(mDepthbufferType))
+ {
+ if(!gl::IsDepthTexture(depthbuffer->getFormat()))
+ {
+ return GL_FRAMEBUFFER_INCOMPLETE_ATTACHMENT;
+ }
+ }
+ else
+ {
+ UNREACHABLE();
+ return GL_FRAMEBUFFER_INCOMPLETE_ATTACHMENT;
+ }
+
+ if(width == -1 || height == -1)
+ {
+ width = depthbuffer->getWidth();
+ height = depthbuffer->getHeight();
+ samples = depthbuffer->getSamples();
+ }
+ else if(width != depthbuffer->getWidth() || height != depthbuffer->getHeight())
+ {
+ return GL_FRAMEBUFFER_INCOMPLETE_DIMENSIONS;
+ }
+ else if(samples != depthbuffer->getSamples())
+ {
+ return GL_FRAMEBUFFER_INCOMPLETE_MULTISAMPLE_ANGLE;
+ }
+ }
+
+ if(mStencilbufferType != GL_NONE)
+ {
+ stencilbuffer = getStencilbuffer();
+
+ if(!stencilbuffer)
+ {
+ return GL_FRAMEBUFFER_INCOMPLETE_ATTACHMENT;
+ }
+
+ if(stencilbuffer->getWidth() == 0 || stencilbuffer->getHeight() == 0)
+ {
+ return GL_FRAMEBUFFER_INCOMPLETE_ATTACHMENT;
+ }
+
+ if(mStencilbufferType == GL_RENDERBUFFER)
+ {
+ if(!gl::IsStencilRenderable(stencilbuffer->getFormat()))
+ {
+ return GL_FRAMEBUFFER_INCOMPLETE_ATTACHMENT;
+ }
+ }
+ else if(IsTextureTarget(mStencilbufferType))
+ {
+ GLenum internalformat = stencilbuffer->getFormat();
+
+ if(!gl::IsStencilTexture(internalformat))
+ {
+ return GL_FRAMEBUFFER_INCOMPLETE_ATTACHMENT;
+ }
+ }
+ else
+ {
+ UNREACHABLE();
+ return GL_FRAMEBUFFER_INCOMPLETE_ATTACHMENT;
+ }
+
+ if(width == -1 || height == -1)
+ {
+ width = stencilbuffer->getWidth();
+ height = stencilbuffer->getHeight();
+ samples = stencilbuffer->getSamples();
+ }
+ else if(width != stencilbuffer->getWidth() || height != stencilbuffer->getHeight())
+ {
+ return GL_FRAMEBUFFER_INCOMPLETE_DIMENSIONS;
+ }
+ else if(samples != stencilbuffer->getSamples())
+ {
+ return GL_FRAMEBUFFER_INCOMPLETE_MULTISAMPLE_ANGLE;
+ }
+ }
+
+ // If we have both a depth and stencil buffer, they must refer to the same object
+ // since we only support packed_depth_stencil and not separate depth and stencil
+ if(depthbuffer && stencilbuffer && (depthbuffer != stencilbuffer))
+ {
+ return GL_FRAMEBUFFER_UNSUPPORTED;
+ }
+
+ // We need to have at least one attachment to be complete
+ if(width == -1 || height == -1)
+ {
+ return GL_FRAMEBUFFER_INCOMPLETE_MISSING_ATTACHMENT;
+ }
+
+ return GL_FRAMEBUFFER_COMPLETE;
+}
+
+DefaultFramebuffer::DefaultFramebuffer(Colorbuffer *colorbuffer, DepthStencilbuffer *depthStencil)
+{
+ mColorbufferPointer.set(new Renderbuffer(0, colorbuffer));
+
+ Renderbuffer *depthStencilRenderbuffer = new Renderbuffer(0, depthStencil);
+ mDepthbufferPointer.set(depthStencilRenderbuffer);
+ mStencilbufferPointer.set(depthStencilRenderbuffer);
+
+ mColorbufferType = GL_RENDERBUFFER;
+ mDepthbufferType = (depthStencilRenderbuffer->getDepthSize() != 0) ? GL_RENDERBUFFER : GL_NONE;
+ mStencilbufferType = (depthStencilRenderbuffer->getStencilSize() != 0) ? GL_RENDERBUFFER : GL_NONE;
+}
+
+GLenum DefaultFramebuffer::completeness()
+{
+ // The default framebuffer should always be complete
+ ASSERT(Framebuffer::completeness() == GL_FRAMEBUFFER_COMPLETE);
+
+ return GL_FRAMEBUFFER_COMPLETE;
+}
+
+}
diff --git a/src/GLES2/libGLESv2/Framebuffer.h b/src/GLES2/libGLESv2/Framebuffer.h
new file mode 100644
index 0000000..c3e0f0b
--- /dev/null
+++ b/src/GLES2/libGLESv2/Framebuffer.h
@@ -0,0 +1,90 @@
+// SwiftShader Software Renderer
+//
+// Copyright(c) 2005-2013 TransGaming Inc.
+//
+// All rights reserved. No part of this software may be copied, distributed, transmitted,
+// transcribed, stored in a retrieval system, translated into any human or computer
+// language by any means, or disclosed to third parties without the explicit written
+// agreement of TransGaming Inc. Without such an agreement, no rights or licenses, express
+// or implied, including but not limited to any patent rights, are granted to you.
+//
+
+// Framebuffer.h: Defines the Framebuffer class. Implements GL framebuffer
+// objects and related functionality. [OpenGL ES 2.0.24] section 4.4 page 105.
+
+#ifndef LIBGLESV2_FRAMEBUFFER_H_
+#define LIBGLESV2_FRAMEBUFFER_H_
+
+#include "RefCountObject.h"
+#include "Image.hpp"
+
+#define GL_APICALL
+#include <GLES2/gl2.h>
+
+namespace gl
+{
+class Renderbuffer;
+class Colorbuffer;
+class Depthbuffer;
+class Stencilbuffer;
+class DepthStencilbuffer;
+
+class Framebuffer
+{
+public:
+ Framebuffer();
+
+ virtual ~Framebuffer();
+
+ void setColorbuffer(GLenum type, GLuint colorbuffer);
+ void setDepthbuffer(GLenum type, GLuint depthbuffer);
+ void setStencilbuffer(GLenum type, GLuint stencilbuffer);
+
+ void detachTexture(GLuint texture);
+ void detachRenderbuffer(GLuint renderbuffer);
+
+ Image *getRenderTarget();
+ Image *getDepthStencil();
+
+ Renderbuffer *getColorbuffer();
+ Renderbuffer *getDepthbuffer();
+ Renderbuffer *getStencilbuffer();
+
+ GLenum getColorbufferType();
+ GLenum getDepthbufferType();
+ GLenum getStencilbufferType();
+
+ GLuint getColorbufferHandle();
+ GLuint getDepthbufferHandle();
+ GLuint getStencilbufferHandle();
+
+ bool hasStencil();
+
+ virtual GLenum completeness();
+ GLenum completeness(int &width, int &height, int &samples);
+
+protected:
+ GLenum mColorbufferType;
+ BindingPointer<Renderbuffer> mColorbufferPointer;
+
+ GLenum mDepthbufferType;
+ BindingPointer<Renderbuffer> mDepthbufferPointer;
+
+ GLenum mStencilbufferType;
+ BindingPointer<Renderbuffer> mStencilbufferPointer;
+
+private:
+ Renderbuffer *lookupRenderbuffer(GLenum type, GLuint handle) const;
+};
+
+class DefaultFramebuffer : public Framebuffer
+{
+public:
+ DefaultFramebuffer(Colorbuffer *colorbuffer, DepthStencilbuffer *depthStencil);
+
+ virtual GLenum completeness();
+};
+
+}
+
+#endif // LIBGLESV2_FRAMEBUFFER_H_
diff --git a/src/GLES2/libGLESv2/HandleAllocator.cpp b/src/GLES2/libGLESv2/HandleAllocator.cpp
new file mode 100644
index 0000000..7db672a
--- /dev/null
+++ b/src/GLES2/libGLESv2/HandleAllocator.cpp
@@ -0,0 +1,68 @@
+// SwiftShader Software Renderer
+//
+// Copyright(c) 2005-2012 TransGaming Inc.
+//
+// All rights reserved. No part of this software may be copied, distributed, transmitted,
+// transcribed, stored in a retrieval system, translated into any human or computer
+// language by any means, or disclosed to third parties without the explicit written
+// agreement of TransGaming Inc. Without such an agreement, no rights or licenses, express
+// or implied, including but not limited to any patent rights, are granted to you.
+//
+
+// HandleAllocator.cpp: Implements the HandleAllocator class, which is used
+// to allocate GL handles.
+
+#include "HandleAllocator.h"
+
+#include "main.h"
+
+namespace gl
+{
+
+HandleAllocator::HandleAllocator() : mBaseValue(1), mNextValue(1)
+{
+}
+
+HandleAllocator::~HandleAllocator()
+{
+}
+
+void HandleAllocator::setBaseHandle(GLuint value)
+{
+ ASSERT(mBaseValue == mNextValue);
+ mBaseValue = value;
+ mNextValue = value;
+}
+
+GLuint HandleAllocator::allocate()
+{
+ if(mFreeValues.size())
+ {
+ GLuint handle = mFreeValues.back();
+ mFreeValues.pop_back();
+ return handle;
+ }
+ return mNextValue++;
+}
+
+void HandleAllocator::release(GLuint handle)
+{
+ if(handle == mNextValue - 1)
+ {
+ // Don't drop below base value
+ if(mNextValue > mBaseValue)
+ {
+ mNextValue--;
+ }
+ }
+ else
+ {
+ // Only free handles that we own - don't drop below the base value
+ if(handle >= mBaseValue)
+ {
+ mFreeValues.push_back(handle);
+ }
+ }
+}
+
+}
diff --git a/src/GLES2/libGLESv2/HandleAllocator.h b/src/GLES2/libGLESv2/HandleAllocator.h
new file mode 100644
index 0000000..3dc5a34
--- /dev/null
+++ b/src/GLES2/libGLESv2/HandleAllocator.h
@@ -0,0 +1,46 @@
+// SwiftShader Software Renderer
+//
+// Copyright(c) 2005-2012 TransGaming Inc.
+//
+// All rights reserved. No part of this software may be copied, distributed, transmitted,
+// transcribed, stored in a retrieval system, translated into any human or computer
+// language by any means, or disclosed to third parties without the explicit written
+// agreement of TransGaming Inc. Without such an agreement, no rights or licenses, express
+// or implied, including but not limited to any patent rights, are granted to you.
+//
+
+// HandleAllocator.h: Defines the HandleAllocator class, which is used to
+// allocate GL handles.
+
+#ifndef LIBGLESV2_HANDLEALLOCATOR_H_
+#define LIBGLESV2_HANDLEALLOCATOR_H_
+
+#define GL_APICALL
+#include <GLES2/gl2.h>
+
+#include <vector>
+
+namespace gl
+{
+
+class HandleAllocator
+{
+ public:
+ HandleAllocator();
+ virtual ~HandleAllocator();
+
+ void setBaseHandle(GLuint value);
+
+ GLuint allocate();
+ void release(GLuint handle);
+
+ private:
+ GLuint mBaseValue;
+ GLuint mNextValue;
+ typedef std::vector<GLuint> HandleList;
+ HandleList mFreeValues;
+};
+
+}
+
+#endif // LIBGLESV2_HANDLEALLOCATOR_H_
diff --git a/src/GLES2/libGLESv2/Image.cpp b/src/GLES2/libGLESv2/Image.cpp
new file mode 100644
index 0000000..0b8220e
--- /dev/null
+++ b/src/GLES2/libGLESv2/Image.cpp
@@ -0,0 +1,660 @@
+// SwiftShader Software Renderer
+//
+// Copyright(c) 2005-2013 TransGaming Inc.
+//
+// All rights reserved. No part of this software may be copied, distributed, transmitted,
+// transcribed, stored in a retrieval system, translated into any human or computer
+// language by any means, or disclosed to third parties without the explicit written
+// agreement of TransGaming Inc. Without such an agreement, no rights or licenses, express
+// or implied, including but not limited to any patent rights, are granted to you.
+//
+
+#include "Image.hpp"
+
+#include "utilities.h"
+#include "../common/debug.h"
+#include "Common/Thread.hpp"
+
+#include <GLES2/gl2ext.h>
+
+namespace gl
+{
+ Image::Image(sw::Resource *parentTexture, GLsizei width, GLsizei height, GLenum format, GLenum type) : sw::Surface(parentTexture, width, height, 1, selectInternalFormat(format, type), true, true), width(width), height(height), internalFormat(selectInternalFormat(format, type)), format(format), type(type), multiSampleDepth(1)
+ {
+ referenceCount = 0;
+ }
+
+ Image::Image(sw::Resource *parentTexture, GLsizei width, GLsizei height, sw::Format internalFormat, GLenum format, GLenum type, int multiSampleDepth, bool lockable, bool renderTarget) : sw::Surface(parentTexture, width, height, multiSampleDepth, internalFormat, lockable, renderTarget), width(width), height(height), internalFormat(internalFormat), format(format), type(type), multiSampleDepth(multiSampleDepth)
+ {
+ referenceCount = 0;
+ }
+
+ Image::~Image()
+ {
+ ASSERT(referenceCount == 0);
+ }
+
+ void *Image::lock(unsigned int left, unsigned int top, sw::Lock lock)
+ {
+ return lockExternal(left, top, 0, lock, sw::PUBLIC);
+ }
+
+ unsigned int Image::getPitch() const
+ {
+ return getExternalPitchB();
+ }
+
+ void Image::unlock()
+ {
+ unlockExternal();
+ }
+
+ int Image::getWidth()
+ {
+ return width;
+ }
+
+ int Image::getHeight()
+ {
+ return height;
+ }
+
+ GLenum Image::getFormat()
+ {
+ return format;
+ }
+
+ GLenum Image::getType()
+ {
+ return type;
+ }
+
+ sw::Format Image::getInternalFormat()
+ {
+ return internalFormat;
+ }
+
+ int Image::getMultiSampleDepth()
+ {
+ return multiSampleDepth;
+ }
+
+ void Image::addRef()
+ {
+ sw::atomicIncrement(&referenceCount);
+ }
+
+ void Image::release()
+ {
+ if(referenceCount > 0)
+ {
+ sw::atomicDecrement(&referenceCount);
+ }
+
+ if(referenceCount == 0)
+ {
+ delete this;
+ }
+ }
+
+ sw::Format Image::selectInternalFormat(GLenum format, GLenum type)
+ {
+ #if S3TC_SUPPORT
+ if(format == GL_COMPRESSED_RGB_S3TC_DXT1_EXT ||
+ format == GL_COMPRESSED_RGBA_S3TC_DXT1_EXT)
+ {
+ return sw::FORMAT_DXT1;
+ }
+ else if(format == GL_COMPRESSED_RGBA_S3TC_DXT3_ANGLE)
+ {
+ return sw::FORMAT_DXT3;
+ }
+ else if(format == GL_COMPRESSED_RGBA_S3TC_DXT5_ANGLE)
+ {
+ return sw::FORMAT_DXT5;
+ }
+ else
+ #endif
+ if(type == GL_FLOAT)
+ {
+ return sw::FORMAT_A32B32G32R32F;
+ }
+ else if(type == GL_HALF_FLOAT_OES)
+ {
+ return sw::FORMAT_A16B16G16R16F;
+ }
+ else if(type == GL_UNSIGNED_BYTE)
+ {
+ if(format == GL_LUMINANCE)
+ {
+ return sw::FORMAT_L8;
+ }
+ else if(format == GL_LUMINANCE_ALPHA)
+ {
+ return sw::FORMAT_A8L8;
+ }
+ else if(format == GL_RGBA || format == GL_BGRA_EXT)
+ {
+ return sw::FORMAT_A8R8G8B8;
+ }
+ else if(format == GL_RGB)
+ {
+ return sw::FORMAT_X8R8G8B8;
+ }
+ else if(format == GL_ALPHA)
+ {
+ return sw::FORMAT_A8;
+ }
+ else UNREACHABLE();
+ }
+ else if(type == GL_UNSIGNED_SHORT || type == GL_UNSIGNED_INT)
+ {
+ if(format == GL_DEPTH_COMPONENT)
+ {
+ return sw::FORMAT_D32FS8_TEXTURE;
+ }
+ else UNREACHABLE();
+ }
+ else if(type == GL_UNSIGNED_INT_24_8_OES)
+ {
+ if(format == GL_DEPTH_STENCIL_OES)
+ {
+ return sw::FORMAT_D32FS8_TEXTURE;
+ }
+ else UNREACHABLE();
+ }
+ else UNREACHABLE();
+
+ return sw::FORMAT_A8R8G8B8;
+ }
+
+ int Image::bytes(sw::Format format)
+ {
+ return sw::Surface::bytes(format);
+ }
+
+ void Image::loadImageData(GLint xoffset, GLint yoffset, GLsizei width, GLsizei height, GLenum format, GLenum type, GLint unpackAlignment, const void *input)
+ {
+ GLsizei inputPitch = ComputePitch(width, format, type, unpackAlignment);
+ void *buffer = lock(0, 0, sw::LOCK_WRITEONLY);
+
+ if(buffer)
+ {
+ switch(type)
+ {
+ case GL_UNSIGNED_BYTE:
+ switch(format)
+ {
+ case GL_ALPHA:
+ loadAlphaImageData(xoffset, yoffset, width, height, inputPitch, input, buffer);
+ break;
+ case GL_LUMINANCE:
+ loadLuminanceImageData(xoffset, yoffset, width, height, inputPitch, input, buffer);
+ break;
+ case GL_LUMINANCE_ALPHA:
+ loadLuminanceAlphaImageData(xoffset, yoffset, width, height, inputPitch, input, buffer);
+ break;
+ case GL_RGB:
+ loadRGBUByteImageData(xoffset, yoffset, width, height, inputPitch, input, buffer);
+ break;
+ case GL_RGBA:
+ loadRGBAUByteImageData(xoffset, yoffset, width, height, inputPitch, input, buffer);
+ break;
+ case GL_BGRA_EXT:
+ loadBGRAImageData(xoffset, yoffset, width, height, inputPitch, input, buffer);
+ break;
+ default: UNREACHABLE();
+ }
+ break;
+ case GL_UNSIGNED_SHORT_5_6_5:
+ switch(format)
+ {
+ case GL_RGB:
+ loadRGB565ImageData(xoffset, yoffset, width, height, inputPitch, input, buffer);
+ break;
+ default: UNREACHABLE();
+ }
+ break;
+ case GL_UNSIGNED_SHORT_4_4_4_4:
+ switch(format)
+ {
+ case GL_RGBA:
+ loadRGBA4444ImageData(xoffset, yoffset, width, height, inputPitch, input, buffer);
+ break;
+ default: UNREACHABLE();
+ }
+ break;
+ case GL_UNSIGNED_SHORT_5_5_5_1:
+ switch(format)
+ {
+ case GL_RGBA:
+ loadRGBA5551ImageData(xoffset, yoffset, width, height, inputPitch, input, buffer);
+ break;
+ default: UNREACHABLE();
+ }
+ break;
+ case GL_FLOAT:
+ switch(format)
+ {
+ // float textures are converted to RGBA, not BGRA
+ case GL_ALPHA:
+ loadAlphaFloatImageData(xoffset, yoffset, width, height, inputPitch, input, buffer);
+ break;
+ case GL_LUMINANCE:
+ loadLuminanceFloatImageData(xoffset, yoffset, width, height, inputPitch, input, buffer);
+ break;
+ case GL_LUMINANCE_ALPHA:
+ loadLuminanceAlphaFloatImageData(xoffset, yoffset, width, height, inputPitch, input, buffer);
+ break;
+ case GL_RGB:
+ loadRGBFloatImageData(xoffset, yoffset, width, height, inputPitch, input, buffer);
+ break;
+ case GL_RGBA:
+ loadRGBAFloatImageData(xoffset, yoffset, width, height, inputPitch, input, buffer);
+ break;
+ default: UNREACHABLE();
+ }
+ break;
+ case GL_HALF_FLOAT_OES:
+ switch(format)
+ {
+ // float textures are converted to RGBA, not BGRA
+ case GL_ALPHA:
+ loadAlphaHalfFloatImageData(xoffset, yoffset, width, height, inputPitch, input, buffer);
+ break;
+ case GL_LUMINANCE:
+ loadLuminanceHalfFloatImageData(xoffset, yoffset, width, height, inputPitch, input, buffer);
+ break;
+ case GL_LUMINANCE_ALPHA:
+ loadLuminanceAlphaHalfFloatImageData(xoffset, yoffset, width, height, inputPitch, input, buffer);
+ break;
+ case GL_RGB:
+ loadRGBHalfFloatImageData(xoffset, yoffset, width, height, inputPitch, input, buffer);
+ break;
+ case GL_RGBA:
+ loadRGBAHalfFloatImageData(xoffset, yoffset, width, height, inputPitch, input, buffer);
+ break;
+ default: UNREACHABLE();
+ }
+ break;
+ case GL_UNSIGNED_SHORT:
+ loadD16ImageData(xoffset, yoffset, width, height, inputPitch, input, buffer);
+ break;
+ case GL_UNSIGNED_INT:
+ loadD32ImageData(xoffset, yoffset, width, height, inputPitch, input, buffer);
+ break;
+ case GL_UNSIGNED_INT_24_8_OES:
+ loadD24S8ImageData(xoffset, yoffset, width, height, inputPitch, input, buffer);
+ break;
+ default: UNREACHABLE();
+ }
+
+ unlock();
+ }
+ }
+
+ void Image::loadAlphaImageData(GLint xoffset, GLint yoffset, GLsizei width, GLsizei height, int inputPitch, const void *input, void *buffer) const
+ {
+ for(int y = 0; y < height; y++)
+ {
+ const unsigned char *source = static_cast<const unsigned char*>(input) + y * inputPitch;
+ unsigned char *dest = static_cast<unsigned char*>(buffer) + (y + yoffset) * getPitch() + xoffset;
+
+ memcpy(dest, source, width);
+ }
+ }
+
+ void Image::loadAlphaFloatImageData(GLint xoffset, GLint yoffset, GLsizei width, GLsizei height, int inputPitch, const void *input, void *buffer) const
+ {
+ for(int y = 0; y < height; y++)
+ {
+ const float *source = reinterpret_cast<const float*>(static_cast<const unsigned char*>(input) + y * inputPitch);
+ float *dest = reinterpret_cast<float*>(static_cast<unsigned char*>(buffer) + (y + yoffset) * getPitch() + xoffset * 16);
+
+ for(int x = 0; x < width; x++)
+ {
+ dest[4 * x + 0] = 0;
+ dest[4 * x + 1] = 0;
+ dest[4 * x + 2] = 0;
+ dest[4 * x + 3] = source[x];
+ }
+ }
+ }
+
+ void Image::loadAlphaHalfFloatImageData(GLint xoffset, GLint yoffset, GLsizei width, GLsizei height, int inputPitch, const void *input, void *buffer) const
+ {
+ for(int y = 0; y < height; y++)
+ {
+ const unsigned short *source = reinterpret_cast<const unsigned short*>(static_cast<const unsigned char*>(input) + y * inputPitch);
+ unsigned short *dest = reinterpret_cast<unsigned short*>(static_cast<unsigned char*>(buffer) + (y + yoffset) * getPitch() + xoffset * 8);
+
+ for(int x = 0; x < width; x++)
+ {
+ dest[4 * x + 0] = 0;
+ dest[4 * x + 1] = 0;
+ dest[4 * x + 2] = 0;
+ dest[4 * x + 3] = source[x];
+ }
+ }
+ }
+
+ void Image::loadLuminanceImageData(GLint xoffset, GLint yoffset, GLsizei width, GLsizei height, int inputPitch, const void *input, void *buffer) const
+ {
+ for(int y = 0; y < height; y++)
+ {
+ const unsigned char *source = static_cast<const unsigned char*>(input) + y * inputPitch;
+ unsigned char *dest = static_cast<unsigned char*>(buffer) + (y + yoffset) * getPitch() + xoffset;
+
+ memcpy(dest, source, width);
+ }
+ }
+
+ void Image::loadLuminanceFloatImageData(GLint xoffset, GLint yoffset, GLsizei width, GLsizei height, int inputPitch, const void *input, void *buffer) const
+ {
+ for(int y = 0; y < height; y++)
+ {
+ const float *source = reinterpret_cast<const float*>(static_cast<const unsigned char*>(input) + y * inputPitch);
+ float *dest = reinterpret_cast<float*>(static_cast<unsigned char*>(buffer) + (y + yoffset) * getPitch() + xoffset * 16);
+
+ for(int x = 0; x < width; x++)
+ {
+ dest[4 * x + 0] = source[x];
+ dest[4 * x + 1] = source[x];
+ dest[4 * x + 2] = source[x];
+ dest[4 * x + 3] = 1.0f;
+ }
+ }
+ }
+
+ void Image::loadLuminanceHalfFloatImageData(GLint xoffset, GLint yoffset, GLsizei width, GLsizei height, int inputPitch, const void *input, void *buffer) const
+ {
+ for(int y = 0; y < height; y++)
+ {
+ const unsigned short *source = reinterpret_cast<const unsigned short*>(static_cast<const unsigned char*>(input) + y * inputPitch);
+ unsigned short *dest = reinterpret_cast<unsigned short*>(static_cast<unsigned char*>(buffer) + (y + yoffset) * getPitch() + xoffset * 8);
+
+ for(int x = 0; x < width; x++)
+ {
+ dest[4 * x + 0] = source[x];
+ dest[4 * x + 1] = source[x];
+ dest[4 * x + 2] = source[x];
+ dest[4 * x + 3] = 0x3C00; // SEEEEEMMMMMMMMMM, S = 0, E = 15, M = 0: 16bit flpt representation of 1
+ }
+ }
+ }
+
+ void Image::loadLuminanceAlphaImageData(GLint xoffset, GLint yoffset, GLsizei width, GLsizei height, int inputPitch, const void *input, void *buffer) const
+ {
+ for(int y = 0; y < height; y++)
+ {
+ const unsigned char *source = static_cast<const unsigned char*>(input) + y * inputPitch;
+ unsigned char *dest = static_cast<unsigned char*>(buffer) + (y + yoffset) * getPitch() + xoffset * 2;
+
+ memcpy(dest, source, width * 2);
+ }
+ }
+
+ void Image::loadLuminanceAlphaFloatImageData(GLint xoffset, GLint yoffset, GLsizei width, GLsizei height, int inputPitch, const void *input, void *buffer) const
+ {
+ for(int y = 0; y < height; y++)
+ {
+ const float *source = reinterpret_cast<const float*>(static_cast<const unsigned char*>(input) + y * inputPitch);
+ float *dest = reinterpret_cast<float*>(static_cast<unsigned char*>(buffer) + (y + yoffset) * getPitch() + xoffset * 16);
+
+ for(int x = 0; x < width; x++)
+ {
+ dest[4 * x + 0] = source[2*x+0];
+ dest[4 * x + 1] = source[2*x+0];
+ dest[4 * x + 2] = source[2*x+0];
+ dest[4 * x + 3] = source[2*x+1];
+ }
+ }
+ }
+
+ void Image::loadLuminanceAlphaHalfFloatImageData(GLint xoffset, GLint yoffset, GLsizei width, GLsizei height, int inputPitch, const void *input, void *buffer) const
+ {
+ for(int y = 0; y < height; y++)
+ {
+ const unsigned short *source = reinterpret_cast<const unsigned short*>(static_cast<const unsigned char*>(input) + y * inputPitch);
+ unsigned short *dest = reinterpret_cast<unsigned short*>(static_cast<unsigned char*>(buffer) + (y + yoffset) * getPitch() + xoffset * 8);
+
+ for(int x = 0; x < width; x++)
+ {
+ dest[4 * x + 0] = source[2*x+0];
+ dest[4 * x + 1] = source[2*x+0];
+ dest[4 * x + 2] = source[2*x+0];
+ dest[4 * x + 3] = source[2*x+1];
+ }
+ }
+ }
+
+ void Image::loadRGBUByteImageData(GLint xoffset, GLint yoffset, GLsizei width, GLsizei height, int inputPitch, const void *input, void *buffer) const
+ {
+ for(int y = 0; y < height; y++)
+ {
+ const unsigned char *source = static_cast<const unsigned char*>(input) + y * inputPitch;
+ unsigned char *dest = static_cast<unsigned char*>(buffer) + (y + yoffset) * getPitch() + xoffset * 4;
+
+ for(int x = 0; x < width; x++)
+ {
+ dest[4 * x + 0] = source[x * 3 + 2];
+ dest[4 * x + 1] = source[x * 3 + 1];
+ dest[4 * x + 2] = source[x * 3 + 0];
+ dest[4 * x + 3] = 0xFF;
+ }
+ }
+ }
+
+ void Image::loadRGB565ImageData(GLint xoffset, GLint yoffset, GLsizei width, GLsizei height, int inputPitch, const void *input, void *buffer) const
+ {
+ for(int y = 0; y < height; y++)
+ {
+ const unsigned short *source = reinterpret_cast<const unsigned short*>(static_cast<const unsigned char*>(input) + y * inputPitch);
+ unsigned char *dest = static_cast<unsigned char*>(buffer) + (y + yoffset) * getPitch() + xoffset * 4;
+
+ for(int x = 0; x < width; x++)
+ {
+ unsigned short rgba = source[x];
+ dest[4 * x + 0] = ((rgba & 0x001F) << 3) | ((rgba & 0x001F) >> 2);
+ dest[4 * x + 1] = ((rgba & 0x07E0) >> 3) | ((rgba & 0x07E0) >> 9);
+ dest[4 * x + 2] = ((rgba & 0xF800) >> 8) | ((rgba & 0xF800) >> 13);
+ dest[4 * x + 3] = 0xFF;
+ }
+ }
+ }
+
+ void Image::loadRGBFloatImageData(GLint xoffset, GLint yoffset, GLsizei width, GLsizei height, int inputPitch, const void *input, void *buffer) const
+ {
+ for(int y = 0; y < height; y++)
+ {
+ const float *source = reinterpret_cast<const float*>(static_cast<const unsigned char*>(input) + y * inputPitch);
+ float *dest = reinterpret_cast<float*>(static_cast<unsigned char*>(buffer) + (y + yoffset) * getPitch() + xoffset * 16);
+
+ for(int x = 0; x < width; x++)
+ {
+ dest[4 * x + 0] = source[x * 3 + 0];
+ dest[4 * x + 1] = source[x * 3 + 1];
+ dest[4 * x + 2] = source[x * 3 + 2];
+ dest[4 * x + 3] = 1.0f;
+ }
+ }
+ }
+
+ void Image::loadRGBHalfFloatImageData(GLint xoffset, GLint yoffset, GLsizei width, GLsizei height, int inputPitch, const void *input, void *buffer) const
+ {
+ for(int y = 0; y < height; y++)
+ {
+ const unsigned short *source = reinterpret_cast<const unsigned short*>(static_cast<const unsigned char*>(input) + y * inputPitch);
+ unsigned short *dest = reinterpret_cast<unsigned short*>(static_cast<unsigned char*>(buffer) + (y + yoffset) * getPitch() + xoffset * 8);
+
+ for(int x = 0; x < width; x++)
+ {
+ dest[4 * x + 0] = source[x * 3 + 0];
+ dest[4 * x + 1] = source[x * 3 + 1];
+ dest[4 * x + 2] = source[x * 3 + 2];
+ dest[4 * x + 3] = 0x3C00; // SEEEEEMMMMMMMMMM, S = 0, E = 15, M = 0: 16bit flpt representation of 1
+ }
+ }
+ }
+
+ void Image::loadRGBAUByteImageData(GLint xoffset, GLint yoffset, GLsizei width, GLsizei height, int inputPitch, const void *input, void *buffer) const
+ {
+ for(int y = 0; y < height; y++)
+ {
+ const unsigned int *source = reinterpret_cast<const unsigned int*>(static_cast<const unsigned char*>(input) + y * inputPitch);
+ unsigned int *dest = reinterpret_cast<unsigned int*>(static_cast<unsigned char*>(buffer) + (y + yoffset) * getPitch() + xoffset * 4);
+
+ for(int x = 0; x < width; x++)
+ {
+ unsigned int rgba = source[x];
+ dest[x] = (rgba & 0xFF00FF00) | ((rgba << 16) & 0x00FF0000) | ((rgba >> 16) & 0x000000FF);
+ }
+ }
+ }
+
+ void Image::loadRGBA4444ImageData(GLint xoffset, GLint yoffset, GLsizei width, GLsizei height, int inputPitch, const void *input, void *buffer) const
+ {
+ for(int y = 0; y < height; y++)
+ {
+ const unsigned short *source = reinterpret_cast<const unsigned short*>(static_cast<const unsigned char*>(input) + y * inputPitch);
+ unsigned char *dest = static_cast<unsigned char*>(buffer) + (y + yoffset) * getPitch() + xoffset * 4;
+
+ for(int x = 0; x < width; x++)
+ {
+ unsigned short rgba = source[x];
+ dest[4 * x + 0] = ((rgba & 0x00F0) << 0) | ((rgba & 0x00F0) >> 4);
+ dest[4 * x + 1] = ((rgba & 0x0F00) >> 4) | ((rgba & 0x0F00) >> 8);
+ dest[4 * x + 2] = ((rgba & 0xF000) >> 8) | ((rgba & 0xF000) >> 12);
+ dest[4 * x + 3] = ((rgba & 0x000F) << 4) | ((rgba & 0x000F) >> 0);
+ }
+ }
+ }
+
+ void Image::loadRGBA5551ImageData(GLint xoffset, GLint yoffset, GLsizei width, GLsizei height, int inputPitch, const void *input, void *buffer) const
+ {
+ for(int y = 0; y < height; y++)
+ {
+ const unsigned short *source = reinterpret_cast<const unsigned short*>(static_cast<const unsigned char*>(input) + y * inputPitch);
+ unsigned char *dest = static_cast<unsigned char*>(buffer) + (y + yoffset) * getPitch() + xoffset * 4;
+
+ for(int x = 0; x < width; x++)
+ {
+ unsigned short rgba = source[x];
+ dest[4 * x + 0] = ((rgba & 0x003E) << 2) | ((rgba & 0x003E) >> 3);
+ dest[4 * x + 1] = ((rgba & 0x07C0) >> 3) | ((rgba & 0x07C0) >> 8);
+ dest[4 * x + 2] = ((rgba & 0xF800) >> 8) | ((rgba & 0xF800) >> 13);
+ dest[4 * x + 3] = (rgba & 0x0001) ? 0xFF : 0;
+ }
+ }
+ }
+
+ void Image::loadRGBAFloatImageData(GLint xoffset, GLint yoffset, GLsizei width, GLsizei height, int inputPitch, const void *input, void *buffer) const
+ {
+ for(int y = 0; y < height; y++)
+ {
+ const float *source = reinterpret_cast<const float*>(static_cast<const unsigned char*>(input) + y * inputPitch);
+ float *dest = reinterpret_cast<float*>(static_cast<unsigned char*>(buffer) + (y + yoffset) * getPitch() + xoffset * 16);
+
+ memcpy(dest, source, width * 16);
+ }
+ }
+
+ void Image::loadRGBAHalfFloatImageData(GLint xoffset, GLint yoffset, GLsizei width, GLsizei height, int inputPitch, const void *input, void *buffer) const
+ {
+ for(int y = 0; y < height; y++)
+ {
+ const unsigned char *source = static_cast<const unsigned char*>(input) + y * inputPitch;
+ unsigned char *dest = static_cast<unsigned char*>(buffer) + (y + yoffset) * getPitch() + xoffset * 8;
+
+ memcpy(dest, source, width * 8);
+ }
+ }
+
+ void Image::loadBGRAImageData(GLint xoffset, GLint yoffset, GLsizei width, GLsizei height, int inputPitch, const void *input, void *buffer) const
+ {
+ for(int y = 0; y < height; y++)
+ {
+ const unsigned char *source = static_cast<const unsigned char*>(input) + y * inputPitch;
+ unsigned char *dest = static_cast<unsigned char*>(buffer) + (y + yoffset) * getPitch() + xoffset * 4;
+
+ memcpy(dest, source, width*4);
+ }
+ }
+
+ void Image::loadD16ImageData(GLint xoffset, GLint yoffset, GLsizei width, GLsizei height, int inputPitch, const void *input, void *buffer) const
+ {
+ for(int y = 0; y < height; y++)
+ {
+ const unsigned short *source = reinterpret_cast<const unsigned short*>(static_cast<const unsigned char*>(input) + y * inputPitch);
+ float *dest = reinterpret_cast<float*>(static_cast<unsigned char*>(buffer) + (y + yoffset) * getPitch() + xoffset * 4);
+
+ for(int x = 0; x < width; x++)
+ {
+ dest[x] = (float)source[x] / 0xFFFF;
+ }
+ }
+ }
+
+ void Image::loadD32ImageData(GLint xoffset, GLint yoffset, GLsizei width, GLsizei height, int inputPitch, const void *input, void *buffer) const
+ {
+ for(int y = 0; y < height; y++)
+ {
+ const unsigned int *source = reinterpret_cast<const unsigned int*>(static_cast<const unsigned char*>(input) + y * inputPitch);
+ float *dest = reinterpret_cast<float*>(static_cast<unsigned char*>(buffer) + (y + yoffset) * getPitch() + xoffset * 4);
+
+ for(int x = 0; x < width; x++)
+ {
+ dest[x] = (float)source[x] / 0xFFFFFFFF;
+ }
+ }
+ }
+
+ void Image::loadD24S8ImageData(GLint xoffset, GLint yoffset, GLsizei width, GLsizei height, int inputPitch, const void *input, void *buffer)
+ {
+ for(int y = 0; y < height; y++)
+ {
+ const unsigned int *source = reinterpret_cast<const unsigned int*>(static_cast<const unsigned char*>(input) + y * inputPitch);
+ float *dest = reinterpret_cast<float*>(static_cast<unsigned char*>(buffer) + (y + yoffset) * getPitch() + xoffset * 4);
+
+ for(int x = 0; x < width; x++)
+ {
+ dest[x] = (float)(source[x] & 0xFFFFFF00) / 0xFFFFFF00;
+ }
+ }
+
+ unsigned char *stencil = reinterpret_cast<unsigned char*>(lockStencil(0, sw::PUBLIC));
+
+ if(stencil)
+ {
+ for(int y = 0; y < height; y++)
+ {
+ const unsigned int *source = reinterpret_cast<const unsigned int*>(static_cast<const unsigned char*>(input) + y * inputPitch);
+ unsigned char *dest = static_cast<unsigned char*>(stencil) + (y + yoffset) * getStencilPitchB() + xoffset;
+
+ for(int x = 0; x < width; x++)
+ {
+ dest[x] = static_cast<unsigned char>(source[x] & 0x000000FF); // FIXME: Quad layout
+ }
+ }
+
+ unlockStencil();
+ }
+ }
+
+ void Image::loadCompressedData(GLint xoffset, GLint yoffset, GLsizei width, GLsizei height, GLsizei imageSize, const void *pixels)
+ {
+ int inputPitch = ComputeCompressedPitch(width, format);
+ int rows = imageSize / inputPitch;
+ void *buffer = lock(xoffset, yoffset, sw::LOCK_WRITEONLY);
+
+ if(buffer)
+ {
+ for(int i = 0; i < rows; i++)
+ {
+ memcpy((void*)((GLbyte*)buffer + i * getPitch()), (void*)((GLbyte*)pixels + i * inputPitch), inputPitch);
+ }
+
+ unlock();
+ }
+ }
+}
\ No newline at end of file
diff --git a/src/GLES2/libGLESv2/Image.hpp b/src/GLES2/libGLESv2/Image.hpp
new file mode 100644
index 0000000..baf963d
--- /dev/null
+++ b/src/GLES2/libGLESv2/Image.hpp
@@ -0,0 +1,85 @@
+// SwiftShader Software Renderer
+//
+// Copyright(c) 2005-2013 TransGaming Inc.
+//
+// All rights reserved. No part of this software may be copied, distributed, transmitted,
+// transcribed, stored in a retrieval system, translated into any human or computer
+// language by any means, or disclosed to third parties without the explicit written
+// agreement of TransGaming Inc. Without such an agreement, no rights or licenses, express
+// or implied, including but not limited to any patent rights, are granted to you.
+//
+
+#ifndef gl_Image_hpp
+#define gl_Image_hpp
+
+#include "Renderer/Surface.hpp"
+
+#define GL_APICALL
+#include <GLES2/gl2.h>
+
+namespace gl
+{
+ class Image : public sw::Surface
+ {
+ public:
+ Image(sw::Resource *parentTexture, GLsizei width, GLsizei height, GLenum format, GLenum type);
+ Image(sw::Resource *parentTexture, GLsizei width, GLsizei height, sw::Format internalFormat, GLenum format, GLenum type, int multiSampleDepth, bool lockable, bool renderTarget);
+
+ void loadImageData(GLint xoffset, GLint yoffset, GLsizei width, GLsizei height, GLenum format, GLenum type, GLint unpackAlignment, const void *input);
+ void loadCompressedData(GLint xoffset, GLint yoffset, GLsizei width, GLsizei height, GLsizei imageSize, const void *pixels);
+
+ void *lock(unsigned int left, unsigned int top, sw::Lock lock);
+ unsigned int getPitch() const;
+ void unlock();
+
+ int getWidth();
+ int getHeight();
+ GLenum getFormat();
+ GLenum getType();
+ virtual sw::Format getInternalFormat();
+ int getMultiSampleDepth();
+
+ virtual void addRef();
+ virtual void release();
+
+ static sw::Format selectInternalFormat(GLenum format, GLenum type);
+ static int bytes(sw::Format format);
+
+ private:
+ virtual ~Image();
+
+ void loadAlphaImageData(GLint xoffset, GLint yoffset, GLsizei width, GLsizei height, int inputPitch, const void *input, void *buffer) const;
+ void loadAlphaFloatImageData(GLint xoffset, GLint yoffset, GLsizei width, GLsizei height, int inputPitch, const void *input, void *buffer) const;
+ void loadAlphaHalfFloatImageData(GLint xoffset, GLint yoffset, GLsizei width, GLsizei height, int inputPitch, const void *input, void *buffer) const;
+ void loadLuminanceImageData(GLint xoffset, GLint yoffset, GLsizei width, GLsizei height, int inputPitch, const void *input, void *buffer) const;
+ void loadLuminanceFloatImageData(GLint xoffset, GLint yoffset, GLsizei width, GLsizei height, int inputPitch, const void *input, void *buffer) const;
+ void loadLuminanceHalfFloatImageData(GLint xoffset, GLint yoffset, GLsizei width, GLsizei height, int inputPitch, const void *input, void *buffer) const;
+ void loadLuminanceAlphaImageData(GLint xoffset, GLint yoffset, GLsizei width, GLsizei height, int inputPitch, const void *input, void *buffer) const;
+ void loadLuminanceAlphaFloatImageData(GLint xoffset, GLint yoffset, GLsizei width, GLsizei height, int inputPitch, const void *input, void *buffer) const;
+ void loadLuminanceAlphaHalfFloatImageData(GLint xoffset, GLint yoffset, GLsizei width, GLsizei height, int inputPitch, const void *input, void *buffer) const;
+ void loadRGBUByteImageData(GLint xoffset, GLint yoffset, GLsizei width, GLsizei height, int inputPitch, const void *input, void *buffer) const;
+ void loadRGB565ImageData(GLint xoffset, GLint yoffset, GLsizei width, GLsizei height, int inputPitch, const void *input, void *buffer) const;
+ void loadRGBFloatImageData(GLint xoffset, GLint yoffset, GLsizei width, GLsizei height, int inputPitch, const void *input, void *buffer) const;
+ void loadRGBHalfFloatImageData(GLint xoffset, GLint yoffset, GLsizei width, GLsizei height, int inputPitch, const void *input, void *buffer) const;
+ void loadRGBAUByteImageData(GLint xoffset, GLint yoffset, GLsizei width, GLsizei height, int inputPitch, const void *input, void *buffer) const;
+ void loadRGBA4444ImageData(GLint xoffset, GLint yoffset, GLsizei width, GLsizei height, int inputPitch, const void *input, void *buffer) const;
+ void loadRGBA5551ImageData(GLint xoffset, GLint yoffset, GLsizei width, GLsizei height, int inputPitch, const void *input, void *buffer) const;
+ void loadRGBAFloatImageData(GLint xoffset, GLint yoffset, GLsizei width, GLsizei height, int inputPitch, const void *input, void *buffer) const;
+ void loadRGBAHalfFloatImageData(GLint xoffset, GLint yoffset, GLsizei width, GLsizei height, int inputPitch, const void *input, void *buffer) const;
+ void loadBGRAImageData(GLint xoffset, GLint yoffset, GLsizei width, GLsizei height, int inputPitch, const void *input, void *buffer) const;
+ void loadD16ImageData(GLint xoffset, GLint yoffset, GLsizei width, GLsizei height, int inputPitch, const void *input, void *buffer) const;
+ void loadD32ImageData(GLint xoffset, GLint yoffset, GLsizei width, GLsizei height, int inputPitch, const void *input, void *buffer) const;
+ void loadD24S8ImageData(GLint xoffset, GLint yoffset, GLsizei width, GLsizei height, int inputPitch, const void *input, void *buffer);
+
+ const GLsizei width;
+ const GLsizei height;
+ const GLenum format;
+ const GLenum type;
+ const sw::Format internalFormat;
+ const int multiSampleDepth;
+
+ volatile int referenceCount;
+ };
+}
+
+#endif // gl_Image_hpp
diff --git a/src/GLES2/libGLESv2/IndexDataManager.cpp b/src/GLES2/libGLESv2/IndexDataManager.cpp
new file mode 100644
index 0000000..ab445b3
--- /dev/null
+++ b/src/GLES2/libGLESv2/IndexDataManager.cpp
@@ -0,0 +1,258 @@
+// SwiftShader Software Renderer
+//
+// Copyright(c) 2005-2012 TransGaming Inc.
+//
+// All rights reserved. No part of this software may be copied, distributed, transmitted,
+// transcribed, stored in a retrieval system, translated into any human or computer
+// language by any means, or disclosed to third parties without the explicit written
+// agreement of TransGaming Inc. Without such an agreement, no rights or licenses, express
+// or implied, including but not limited to any patent rights, are granted to you.
+//
+
+// IndexDataManager.cpp: Defines the IndexDataManager, a class that
+// runs the Buffer translation process for index buffers.
+
+#include "IndexDataManager.h"
+
+#include "Buffer.h"
+#include "common/debug.h"
+
+#include <string.h>
+
+namespace
+{
+ enum { INITIAL_INDEX_BUFFER_SIZE = 4096 * sizeof(GLuint) };
+}
+
+namespace gl
+{
+
+IndexDataManager::IndexDataManager()
+{
+ mStreamingBuffer = new StreamingIndexBuffer(INITIAL_INDEX_BUFFER_SIZE);
+
+ if(!mStreamingBuffer)
+ {
+ ERR("Failed to allocate the streaming index buffer.");
+ }
+}
+
+IndexDataManager::~IndexDataManager()
+{
+ delete mStreamingBuffer;
+}
+
+void copyIndices(GLenum type, const void *input, GLsizei count, void *output)
+{
+ if(type == GL_UNSIGNED_BYTE)
+ {
+ memcpy(output, input, count * sizeof(GLubyte));
+ }
+ else if(type == GL_UNSIGNED_INT)
+ {
+ memcpy(output, input, count * sizeof(GLuint));
+ }
+ else if(type == GL_UNSIGNED_SHORT)
+ {
+ memcpy(output, input, count * sizeof(GLushort));
+ }
+ else UNREACHABLE();
+}
+
+template<class IndexType>
+void computeRange(const IndexType *indices, GLsizei count, GLuint *minIndex, GLuint *maxIndex)
+{
+ *minIndex = indices[0];
+ *maxIndex = indices[0];
+
+ for(GLsizei i = 0; i < count; i++)
+ {
+ if(*minIndex > indices[i]) *minIndex = indices[i];
+ if(*maxIndex < indices[i]) *maxIndex = indices[i];
+ }
+}
+
+void computeRange(GLenum type, const void *indices, GLsizei count, GLuint *minIndex, GLuint *maxIndex)
+{
+ if(type == GL_UNSIGNED_BYTE)
+ {
+ computeRange(static_cast<const GLubyte*>(indices), count, minIndex, maxIndex);
+ }
+ else if(type == GL_UNSIGNED_INT)
+ {
+ computeRange(static_cast<const GLuint*>(indices), count, minIndex, maxIndex);
+ }
+ else if(type == GL_UNSIGNED_SHORT)
+ {
+ computeRange(static_cast<const GLushort*>(indices), count, minIndex, maxIndex);
+ }
+ else UNREACHABLE();
+}
+
+GLenum IndexDataManager::prepareIndexData(GLenum type, GLsizei count, Buffer *buffer, const void *indices, TranslatedIndexData *translated)
+{
+ if(!mStreamingBuffer)
+ {
+ return GL_OUT_OF_MEMORY;
+ }
+
+ intptr_t offset = reinterpret_cast<intptr_t>(indices);
+ bool alignedOffset = false;
+
+ if(buffer != NULL)
+ {
+ switch(type)
+ {
+ case GL_UNSIGNED_BYTE: alignedOffset = (offset % sizeof(GLubyte) == 0); break;
+ case GL_UNSIGNED_SHORT: alignedOffset = (offset % sizeof(GLushort) == 0); break;
+ case GL_UNSIGNED_INT: alignedOffset = (offset % sizeof(GLuint) == 0); break;
+ default: UNREACHABLE(); alignedOffset = false;
+ }
+
+ if(typeSize(type) * count + offset > static_cast<std::size_t>(buffer->size()))
+ {
+ return GL_INVALID_OPERATION;
+ }
+
+ indices = static_cast<const GLubyte*>(buffer->data()) + offset;
+ }
+
+ StreamingIndexBuffer *streamingBuffer = mStreamingBuffer;
+
+ sw::Resource *staticBuffer = buffer ? buffer->getResource() : NULL;
+
+ if(staticBuffer)
+ {
+ computeRange(type, indices, count, &translated->minIndex, &translated->maxIndex);
+
+ translated->indexBuffer = staticBuffer;
+ translated->indexOffset = offset;
+ }
+ else
+ {
+ unsigned int streamOffset = 0;
+ int convertCount = count;
+
+ streamingBuffer->reserveSpace(convertCount * typeSize(type), type);
+ void *output = streamingBuffer->map(typeSize(type) * convertCount, &streamOffset);
+
+ if(output == NULL)
+ {
+ ERR("Failed to map index buffer.");
+ return GL_OUT_OF_MEMORY;
+ }
+
+ copyIndices(type, staticBuffer ? buffer->data() : indices, convertCount, output);
+ streamingBuffer->unmap();
+
+ computeRange(type, indices, count, &translated->minIndex, &translated->maxIndex);
+
+ translated->indexBuffer = streamingBuffer->getResource();
+ translated->indexOffset = streamOffset;
+ }
+
+ return GL_NO_ERROR;
+}
+
+std::size_t IndexDataManager::typeSize(GLenum type)
+{
+ switch(type)
+ {
+ case GL_UNSIGNED_INT: return sizeof(GLuint);
+ case GL_UNSIGNED_SHORT: return sizeof(GLushort);
+ case GL_UNSIGNED_BYTE: return sizeof(GLubyte);
+ default: UNREACHABLE(); return sizeof(GLushort);
+ }
+}
+
+StreamingIndexBuffer::StreamingIndexBuffer(unsigned int initialSize) : mBufferSize(initialSize), mIndexBuffer(NULL)
+{
+ if(initialSize > 0)
+ {
+ mIndexBuffer = new sw::Resource(initialSize + 16);
+
+ if(!mIndexBuffer)
+ {
+ ERR("Out of memory allocating an index buffer of size %lu.", initialSize);
+ }
+ }
+
+ mWritePosition = 0;
+}
+
+StreamingIndexBuffer::~StreamingIndexBuffer()
+{
+ if(mIndexBuffer)
+ {
+ mIndexBuffer->destruct();
+ }
+}
+
+void *StreamingIndexBuffer::map(unsigned int requiredSpace, unsigned int *offset)
+{
+ void *mapPtr = NULL;
+
+ if(mIndexBuffer)
+ {
+ mapPtr = (char*)mIndexBuffer->lock(sw::PUBLIC) + mWritePosition;
+
+ if(!mapPtr)
+ {
+ ERR(" Lock failed");
+ return NULL;
+ }
+
+ *offset = mWritePosition;
+ mWritePosition += requiredSpace;
+ }
+
+ return mapPtr;
+}
+
+void StreamingIndexBuffer::unmap()
+{
+ if(mIndexBuffer)
+ {
+ mIndexBuffer->unlock();
+ }
+}
+
+void StreamingIndexBuffer::reserveSpace(unsigned int requiredSpace, GLenum type)
+{
+ if(requiredSpace > mBufferSize)
+ {
+ if(mIndexBuffer)
+ {
+ mIndexBuffer->destruct();
+ mIndexBuffer = 0;
+ }
+
+ mBufferSize = std::max(requiredSpace, 2 * mBufferSize);
+
+ mIndexBuffer = new sw::Resource(mBufferSize + 16);
+
+ if(!mIndexBuffer)
+ {
+ ERR("Out of memory allocating an index buffer of size %lu.", mBufferSize);
+ }
+
+ mWritePosition = 0;
+ }
+ else if(mWritePosition + requiredSpace > mBufferSize) // Recycle
+ {
+ if(mIndexBuffer)
+ {
+ mIndexBuffer->destruct();
+ mIndexBuffer = new sw::Resource(mBufferSize + 16);
+ }
+
+ mWritePosition = 0;
+ }
+}
+
+sw::Resource *StreamingIndexBuffer::getResource() const
+{
+ return mIndexBuffer;
+}
+
+}
diff --git a/src/GLES2/libGLESv2/IndexDataManager.h b/src/GLES2/libGLESv2/IndexDataManager.h
new file mode 100644
index 0000000..059e9fc
--- /dev/null
+++ b/src/GLES2/libGLESv2/IndexDataManager.h
@@ -0,0 +1,69 @@
+// SwiftShader Software Renderer
+//
+// Copyright(c) 2005-2012 TransGaming Inc.
+//
+// All rights reserved. No part of this software may be copied, distributed, transmitted,
+// transcribed, stored in a retrieval system, translated into any human or computer
+// language by any means, or disclosed to third parties without the explicit written
+// agreement of TransGaming Inc. Without such an agreement, no rights or licenses, express
+// or implied, including but not limited to any patent rights, are granted to you.
+//
+
+// IndexDataManager.h: Defines the IndexDataManager, a class that
+// runs the Buffer translation process for index buffers.
+
+#ifndef LIBGLESV2_INDEXDATAMANAGER_H_
+#define LIBGLESV2_INDEXDATAMANAGER_H_
+
+#include "Context.h"
+
+#define GL_APICALL
+#include <GLES2/gl2.h>
+
+namespace gl
+{
+
+struct TranslatedIndexData
+{
+ unsigned int minIndex;
+ unsigned int maxIndex;
+ unsigned int indexOffset;
+
+ sw::Resource *indexBuffer;
+};
+
+class StreamingIndexBuffer
+{
+ public:
+ StreamingIndexBuffer(unsigned int initialSize);
+ virtual ~StreamingIndexBuffer();
+
+ void *map(unsigned int requiredSpace, unsigned int *offset);
+ void unmap();
+ void reserveSpace(unsigned int requiredSpace, GLenum type);
+
+ sw::Resource *getResource() const;
+
+ private:
+ sw::Resource *mIndexBuffer;
+ unsigned int mBufferSize;
+ unsigned int mWritePosition;
+};
+
+class IndexDataManager
+{
+ public:
+ IndexDataManager();
+ virtual ~IndexDataManager();
+
+ GLenum prepareIndexData(GLenum type, GLsizei count, Buffer *arrayElementBuffer, const void *indices, TranslatedIndexData *translated);
+
+ static std::size_t typeSize(GLenum type);
+
+ private:
+ StreamingIndexBuffer *mStreamingBuffer;
+};
+
+}
+
+#endif // LIBGLESV2_INDEXDATAMANAGER_H_
diff --git a/src/GLES2/libGLESv2/Program.cpp b/src/GLES2/libGLESv2/Program.cpp
new file mode 100644
index 0000000..a1ad45e
--- /dev/null
+++ b/src/GLES2/libGLESv2/Program.cpp
@@ -0,0 +1,2285 @@
+// SwiftShader Software Renderer
+//
+// Copyright(c) 2005-2013 TransGaming Inc.
+//
+// All rights reserved. No part of this software may be copied, distributed, transmitted,
+// transcribed, stored in a retrieval system, translated into any human or computer
+// language by any means, or disclosed to third parties without the explicit written
+// agreement of TransGaming Inc. Without such an agreement, no rights or licenses, express
+// or implied, including but not limited to any patent rights, are granted to you.
+//
+
+// Program.cpp: Implements the Program class. Implements GL program objects
+// and related functionality. [OpenGL ES 2.0.24] section 2.10.3 page 28.
+
+#include "Program.h"
+
+#include "main.h"
+#include "Shader.h"
+#include "utilities.h"
+#include "common/debug.h"
+#include "Shader/PixelShader.hpp"
+#include "Shader/VertexShader.hpp"
+
+#include <string>
+#include <stdlib.h>
+
+namespace gl
+{
+ unsigned int Program::currentSerial = 1;
+
+ std::string str(int i)
+ {
+ char buffer[20];
+ sprintf(buffer, "%d", i);
+ return buffer;
+ }
+
+ Uniform::Uniform(GLenum type, const std::string &name, unsigned int arraySize) : type(type), name(name), arraySize(arraySize)
+ {
+ int bytes = UniformTypeSize(type) * size();
+ data = new unsigned char[bytes];
+ memset(data, 0, bytes);
+ dirty = true;
+
+ psRegisterIndex = -1;
+ vsRegisterIndex = -1;
+ }
+
+ Uniform::~Uniform()
+ {
+ delete[] data;
+ }
+
+ bool Uniform::isArray() const
+ {
+ return arraySize >= 1;
+ }
+
+ int Uniform::size() const
+ {
+ return arraySize > 0 ? arraySize : 1;
+ }
+
+ int Uniform::registerCount() const
+ {
+ return size() * VariableRowCount(type);
+ }
+
+ UniformLocation::UniformLocation(const std::string &name, unsigned int element, unsigned int index) : name(name), element(element), index(index)
+ {
+ }
+
+ Program::Program(ResourceManager *manager, GLuint handle) : resourceManager(manager), handle(handle), serial(issueSerial())
+ {
+ device = getDevice();
+
+ fragmentShader = 0;
+ vertexShader = 0;
+ pixelBinary = 0;
+ vertexBinary = 0;
+
+ infoLog = 0;
+ validated = false;
+
+ unlink();
+
+ orphaned = false;
+ referenceCount = 0;
+ }
+
+ Program::~Program()
+ {
+ unlink();
+
+ if(vertexShader)
+ {
+ vertexShader->release();
+ }
+
+ if(fragmentShader)
+ {
+ fragmentShader->release();
+ }
+ }
+
+ bool Program::attachShader(Shader *shader)
+ {
+ if(shader->getType() == GL_VERTEX_SHADER)
+ {
+ if(vertexShader)
+ {
+ return false;
+ }
+
+ vertexShader = (VertexShader*)shader;
+ vertexShader->addRef();
+ }
+ else if(shader->getType() == GL_FRAGMENT_SHADER)
+ {
+ if(fragmentShader)
+ {
+ return false;
+ }
+
+ fragmentShader = (FragmentShader*)shader;
+ fragmentShader->addRef();
+ }
+ else UNREACHABLE();
+
+ return true;
+ }
+
+ bool Program::detachShader(Shader *shader)
+ {
+ if(shader->getType() == GL_VERTEX_SHADER)
+ {
+ if(vertexShader != shader)
+ {
+ return false;
+ }
+
+ vertexShader->release();
+ vertexShader = 0;
+ }
+ else if(shader->getType() == GL_FRAGMENT_SHADER)
+ {
+ if(fragmentShader != shader)
+ {
+ return false;
+ }
+
+ fragmentShader->release();
+ fragmentShader = 0;
+ }
+ else UNREACHABLE();
+
+ return true;
+ }
+
+ int Program::getAttachedShadersCount() const
+ {
+ return (vertexShader ? 1 : 0) + (fragmentShader ? 1 : 0);
+ }
+
+ sw::PixelShader *Program::getPixelShader()
+ {
+ return pixelBinary;
+ }
+
+ sw::VertexShader *Program::getVertexShader()
+ {
+ return vertexBinary;
+ }
+
+ void Program::bindAttributeLocation(GLuint index, const char *name)
+ {
+ if(index < MAX_VERTEX_ATTRIBS)
+ {
+ for(int i = 0; i < MAX_VERTEX_ATTRIBS; i++)
+ {
+ attributeBinding[i].erase(name);
+ }
+
+ attributeBinding[index].insert(name);
+ }
+ }
+
+ GLuint Program::getAttributeLocation(const char *name)
+ {
+ if(name)
+ {
+ for(int index = 0; index < MAX_VERTEX_ATTRIBS; index++)
+ {
+ if(linkedAttribute[index].name == std::string(name))
+ {
+ return index;
+ }
+ }
+ }
+
+ return -1;
+ }
+
+ int Program::getAttributeStream(int attributeIndex)
+ {
+ ASSERT(attributeIndex >= 0 && attributeIndex < MAX_VERTEX_ATTRIBS);
+
+ return attributeStream[attributeIndex];
+ }
+
+ // Returns the index of the texture image unit (0-19) corresponding to a sampler index (0-15 for the pixel shader and 0-3 for the vertex shader)
+ GLint Program::getSamplerMapping(sw::SamplerType type, unsigned int samplerIndex)
+ {
+ GLuint logicalTextureUnit = -1;
+
+ switch(type)
+ {
+ case sw::SAMPLER_PIXEL:
+ ASSERT(samplerIndex < sizeof(samplersPS) / sizeof(samplersPS[0]));
+
+ if(samplersPS[samplerIndex].active)
+ {
+ logicalTextureUnit = samplersPS[samplerIndex].logicalTextureUnit;
+ }
+ break;
+ case sw::SAMPLER_VERTEX:
+ ASSERT(samplerIndex < sizeof(samplersVS) / sizeof(samplersVS[0]));
+
+ if(samplersVS[samplerIndex].active)
+ {
+ logicalTextureUnit = samplersVS[samplerIndex].logicalTextureUnit;
+ }
+ break;
+ default: UNREACHABLE();
+ }
+
+ if(logicalTextureUnit >= 0 && logicalTextureUnit < MAX_COMBINED_TEXTURE_IMAGE_UNITS)
+ {
+ return logicalTextureUnit;
+ }
+
+ return -1;
+ }
+
+ // Returns the texture type for a given sampler type and index (0-15 for the pixel shader and 0-3 for the vertex shader)
+ TextureType Program::getSamplerTextureType(sw::SamplerType type, unsigned int samplerIndex)
+ {
+ switch(type)
+ {
+ case sw::SAMPLER_PIXEL:
+ ASSERT(samplerIndex < sizeof(samplersPS)/sizeof(samplersPS[0]));
+ ASSERT(samplersPS[samplerIndex].active);
+ return samplersPS[samplerIndex].textureType;
+ case sw::SAMPLER_VERTEX:
+ ASSERT(samplerIndex < sizeof(samplersVS)/sizeof(samplersVS[0]));
+ ASSERT(samplersVS[samplerIndex].active);
+ return samplersVS[samplerIndex].textureType;
+ default: UNREACHABLE();
+ }
+
+ return TEXTURE_2D;
+ }
+
+ GLint Program::getUniformLocation(std::string name)
+ {
+ int subscript = 0;
+
+ // Strip any trailing array operator and retrieve the subscript
+ size_t open = name.find_last_of('[');
+ size_t close = name.find_last_of(']');
+ if(open != std::string::npos && close == name.length() - 1)
+ {
+ subscript = atoi(name.substr(open + 1).c_str());
+ name.erase(open);
+ }
+
+ unsigned int numUniforms = uniformIndex.size();
+ for(unsigned int location = 0; location < numUniforms; location++)
+ {
+ if(uniformIndex[location].name == name &&
+ uniformIndex[location].element == subscript)
+ {
+ return location;
+ }
+ }
+
+ return -1;
+ }
+
+ bool Program::setUniform1fv(GLint location, GLsizei count, const GLfloat* v)
+ {
+ if(location < 0 || location >= (int)uniformIndex.size())
+ {
+ return false;
+ }
+
+ Uniform *targetUniform = uniforms[uniformIndex[location].index];
+ targetUniform->dirty = true;
+
+ int size = targetUniform->size();
+
+ if(size == 1 && count > 1)
+ {
+ return false; // Attempting to write an array to a non-array uniform is an INVALID_OPERATION
+ }
+
+ count = std::min(size - (int)uniformIndex[location].element, count);
+
+ if(targetUniform->type == GL_FLOAT)
+ {
+ memcpy(targetUniform->data + uniformIndex[location].element * sizeof(GLfloat),
+ v, sizeof(GLfloat) * count);
+ }
+ else if(targetUniform->type == GL_BOOL)
+ {
+ GLboolean *boolParams = (GLboolean*)targetUniform->data + uniformIndex[location].element;
+
+ for(int i = 0; i < count; i++)
+ {
+ if(v[i] == 0.0f)
+ {
+ boolParams[i] = GL_FALSE;
+ }
+ else
+ {
+ boolParams[i] = GL_TRUE;
+ }
+ }
+ }
+ else
+ {
+ return false;
+ }
+
+ return true;
+ }
+
+ bool Program::setUniform2fv(GLint location, GLsizei count, const GLfloat *v)
+ {
+ if(location < 0 || location >= (int)uniformIndex.size())
+ {
+ return false;
+ }
+
+ Uniform *targetUniform = uniforms[uniformIndex[location].index];
+ targetUniform->dirty = true;
+
+ int size = targetUniform->size();
+
+ if(size == 1 && count > 1)
+ {
+ return false; // Attempting to write an array to a non-array uniform is an INVALID_OPERATION
+ }
+
+ count = std::min(size - (int)uniformIndex[location].element, count);
+
+ if(targetUniform->type == GL_FLOAT_VEC2)
+ {
+ memcpy(targetUniform->data + uniformIndex[location].element * sizeof(GLfloat) * 2,
+ v, 2 * sizeof(GLfloat) * count);
+ }
+ else if(targetUniform->type == GL_BOOL_VEC2)
+ {
+ GLboolean *boolParams = (GLboolean*)targetUniform->data + uniformIndex[location].element * 2;
+
+ for(int i = 0; i < count * 2; i++)
+ {
+ if(v[i] == 0.0f)
+ {
+ boolParams[i] = GL_FALSE;
+ }
+ else
+ {
+ boolParams[i] = GL_TRUE;
+ }
+ }
+ }
+ else
+ {
+ return false;
+ }
+
+ return true;
+ }
+
+ bool Program::setUniform3fv(GLint location, GLsizei count, const GLfloat *v)
+ {
+ if(location < 0 || location >= (int)uniformIndex.size())
+ {
+ return false;
+ }
+
+ Uniform *targetUniform = uniforms[uniformIndex[location].index];
+ targetUniform->dirty = true;
+
+ int size = targetUniform->size();
+
+ if(size == 1 && count > 1)
+ {
+ return false; // Attempting to write an array to a non-array uniform is an INVALID_OPERATION
+ }
+
+ count = std::min(size - (int)uniformIndex[location].element, count);
+
+ if(targetUniform->type == GL_FLOAT_VEC3)
+ {
+ memcpy(targetUniform->data + uniformIndex[location].element * sizeof(GLfloat) * 3,
+ v, 3 * sizeof(GLfloat) * count);
+ }
+ else if(targetUniform->type == GL_BOOL_VEC3)
+ {
+ GLboolean *boolParams = (GLboolean*)targetUniform->data + uniformIndex[location].element * 3;
+
+ for(int i = 0; i < count * 3; i++)
+ {
+ if(v[i] == 0.0f)
+ {
+ boolParams[i] = GL_FALSE;
+ }
+ else
+ {
+ boolParams[i] = GL_TRUE;
+ }
+ }
+ }
+ else
+ {
+ return false;
+ }
+
+ return true;
+ }
+
+ bool Program::setUniform4fv(GLint location, GLsizei count, const GLfloat *v)
+ {
+ if(location < 0 || location >= (int)uniformIndex.size())
+ {
+ return false;
+ }
+
+ Uniform *targetUniform = uniforms[uniformIndex[location].index];
+ targetUniform->dirty = true;
+
+ int size = targetUniform->size();
+
+ if(size == 1 && count > 1)
+ {
+ return false; // Attempting to write an array to a non-array uniform is an INVALID_OPERATION
+ }
+
+ count = std::min(size - (int)uniformIndex[location].element, count);
+
+ if(targetUniform->type == GL_FLOAT_VEC4)
+ {
+ memcpy(targetUniform->data + uniformIndex[location].element * sizeof(GLfloat) * 4,
+ v, 4 * sizeof(GLfloat) * count);
+ }
+ else if(targetUniform->type == GL_BOOL_VEC4)
+ {
+ GLboolean *boolParams = (GLboolean*)targetUniform->data + uniformIndex[location].element * 4;
+
+ for(int i = 0; i < count * 4; i++)
+ {
+ if(v[i] == 0.0f)
+ {
+ boolParams[i] = GL_FALSE;
+ }
+ else
+ {
+ boolParams[i] = GL_TRUE;
+ }
+ }
+ }
+ else
+ {
+ return false;
+ }
+
+ return true;
+ }
+
+ bool Program::setUniformMatrix2fv(GLint location, GLsizei count, const GLfloat *value)
+ {
+ if(location < 0 || location >= (int)uniformIndex.size())
+ {
+ return false;
+ }
+
+ Uniform *targetUniform = uniforms[uniformIndex[location].index];
+ targetUniform->dirty = true;
+
+ if(targetUniform->type != GL_FLOAT_MAT2)
+ {
+ return false;
+ }
+
+ int size = targetUniform->size();
+
+ if(size == 1 && count > 1)
+ {
+ return false; // Attempting to write an array to a non-array uniform is an INVALID_OPERATION
+ }
+
+ count = std::min(size - (int)uniformIndex[location].element, count);
+
+ memcpy(targetUniform->data + uniformIndex[location].element * sizeof(GLfloat) * 4,
+ value, 4 * sizeof(GLfloat) * count);
+
+ return true;
+ }
+
+ bool Program::setUniformMatrix3fv(GLint location, GLsizei count, const GLfloat *value)
+ {
+ if(location < 0 || location >= (int)uniformIndex.size())
+ {
+ return false;
+ }
+
+ Uniform *targetUniform = uniforms[uniformIndex[location].index];
+ targetUniform->dirty = true;
+
+ if(targetUniform->type != GL_FLOAT_MAT3)
+ {
+ return false;
+ }
+
+ int size = targetUniform->size();
+
+ if(size == 1 && count > 1)
+ {
+ return false; // Attempting to write an array to a non-array uniform is an INVALID_OPERATION
+ }
+
+ count = std::min(size - (int)uniformIndex[location].element, count);
+
+ memcpy(targetUniform->data + uniformIndex[location].element * sizeof(GLfloat) * 9,
+ value, 9 * sizeof(GLfloat) * count);
+
+ return true;
+ }
+
+ bool Program::setUniformMatrix4fv(GLint location, GLsizei count, const GLfloat *value)
+ {
+ if(location < 0 || location >= (int)uniformIndex.size())
+ {
+ return false;
+ }
+
+ Uniform *targetUniform = uniforms[uniformIndex[location].index];
+ targetUniform->dirty = true;
+
+ if(targetUniform->type != GL_FLOAT_MAT4)
+ {
+ return false;
+ }
+
+ int size = targetUniform->size();
+
+ if(size == 1 && count > 1)
+ {
+ return false; // Attempting to write an array to a non-array uniform is an INVALID_OPERATION
+ }
+
+ count = std::min(size - (int)uniformIndex[location].element, count);
+
+ memcpy(targetUniform->data + uniformIndex[location].element * sizeof(GLfloat) * 16,
+ value, 16 * sizeof(GLfloat) * count);
+
+ return true;
+ }
+
+ bool Program::setUniform1iv(GLint location, GLsizei count, const GLint *v)
+ {
+ if(location < 0 || location >= (int)uniformIndex.size())
+ {
+ return false;
+ }
+
+ Uniform *targetUniform = uniforms[uniformIndex[location].index];
+ targetUniform->dirty = true;
+
+ int size = targetUniform->size();
+
+ if(size == 1 && count > 1)
+ {
+ return false; // Attempting to write an array to a non-array uniform is an INVALID_OPERATION
+ }
+
+ count = std::min(size - (int)uniformIndex[location].element, count);
+
+ if(targetUniform->type == GL_INT ||
+ targetUniform->type == GL_SAMPLER_2D ||
+ targetUniform->type == GL_SAMPLER_CUBE)
+ {
+ memcpy(targetUniform->data + uniformIndex[location].element * sizeof(GLint),
+ v, sizeof(GLint) * count);
+ }
+ else if(targetUniform->type == GL_BOOL)
+ {
+ GLboolean *boolParams = new GLboolean[count];
+
+ for(int i = 0; i < count; i++)
+ {
+ if(v[i] == 0)
+ {
+ boolParams[i] = GL_FALSE;
+ }
+ else
+ {
+ boolParams[i] = GL_TRUE;
+ }
+ }
+
+ memcpy(targetUniform->data + uniformIndex[location].element * sizeof(GLboolean),
+ boolParams, sizeof(GLboolean) * count);
+
+ delete[] boolParams;
+ }
+ else
+ {
+ return false;
+ }
+
+ return true;
+ }
+
+ bool Program::setUniform2iv(GLint location, GLsizei count, const GLint *v)
+ {
+ if(location < 0 || location >= (int)uniformIndex.size())
+ {
+ return false;
+ }
+
+ Uniform *targetUniform = uniforms[uniformIndex[location].index];
+ targetUniform->dirty = true;
+
+ int size = targetUniform->size();
+
+ if(size == 1 && count > 1)
+ {
+ return false; // Attempting to write an array to a non-array uniform is an INVALID_OPERATION
+ }
+
+ count = std::min(size - (int)uniformIndex[location].element, count);
+
+ if(targetUniform->type == GL_INT_VEC2)
+ {
+ memcpy(targetUniform->data + uniformIndex[location].element * sizeof(GLint) * 2,
+ v, 2 * sizeof(GLint) * count);
+ }
+ else if(targetUniform->type == GL_BOOL_VEC2)
+ {
+ GLboolean *boolParams = new GLboolean[count * 2];
+
+ for(int i = 0; i < count * 2; i++)
+ {
+ if(v[i] == 0)
+ {
+ boolParams[i] = GL_FALSE;
+ }
+ else
+ {
+ boolParams[i] = GL_TRUE;
+ }
+ }
+
+ memcpy(targetUniform->data + uniformIndex[location].element * sizeof(GLboolean) * 2,
+ boolParams, 2 * sizeof(GLboolean) * count);
+
+ delete[] boolParams;
+ }
+ else
+ {
+ return false;
+ }
+
+ return true;
+ }
+
+ bool Program::setUniform3iv(GLint location, GLsizei count, const GLint *v)
+ {
+ if(location < 0 || location >= (int)uniformIndex.size())
+ {
+ return false;
+ }
+
+ Uniform *targetUniform = uniforms[uniformIndex[location].index];
+ targetUniform->dirty = true;
+
+ int size = targetUniform->size();
+
+ if(size == 1 && count > 1)
+ {
+ return false; // Attempting to write an array to a non-array uniform is an INVALID_OPERATION
+ }
+
+ count = std::min(size - (int)uniformIndex[location].element, count);
+
+ if(targetUniform->type == GL_INT_VEC3)
+ {
+ memcpy(targetUniform->data + uniformIndex[location].element * sizeof(GLint) * 3,
+ v, 3 * sizeof(GLint) * count);
+ }
+ else if(targetUniform->type == GL_BOOL_VEC3)
+ {
+ GLboolean *boolParams = new GLboolean[count * 3];
+
+ for(int i = 0; i < count * 3; i++)
+ {
+ if(v[i] == 0)
+ {
+ boolParams[i] = GL_FALSE;
+ }
+ else
+ {
+ boolParams[i] = GL_TRUE;
+ }
+ }
+
+ memcpy(targetUniform->data + uniformIndex[location].element * sizeof(GLboolean) * 3,
+ boolParams, 3 * sizeof(GLboolean) * count);
+
+ delete[] boolParams;
+ }
+ else
+ {
+ return false;
+ }
+
+ return true;
+ }
+
+ bool Program::setUniform4iv(GLint location, GLsizei count, const GLint *v)
+ {
+ if(location < 0 || location >= (int)uniformIndex.size())
+ {
+ return false;
+ }
+
+ Uniform *targetUniform = uniforms[uniformIndex[location].index];
+ targetUniform->dirty = true;
+
+ int size = targetUniform->size();
+
+ if(size == 1 && count > 1)
+ {
+ return false; // Attempting to write an array to a non-array uniform is an INVALID_OPERATION
+ }
+
+ count = std::min(size - (int)uniformIndex[location].element, count);
+
+ if(targetUniform->type == GL_INT_VEC4)
+ {
+ memcpy(targetUniform->data + uniformIndex[location].element * sizeof(GLint) * 4,
+ v, 4 * sizeof(GLint) * count);
+ }
+ else if(targetUniform->type == GL_BOOL_VEC4)
+ {
+ GLboolean *boolParams = new GLboolean[count * 4];
+
+ for(int i = 0; i < count * 4; i++)
+ {
+ if(v[i] == 0)
+ {
+ boolParams[i] = GL_FALSE;
+ }
+ else
+ {
+ boolParams[i] = GL_TRUE;
+ }
+ }
+
+ memcpy(targetUniform->data + uniformIndex[location].element * sizeof(GLboolean) * 4,
+ boolParams, 4 * sizeof(GLboolean) * count);
+
+ delete[] boolParams;
+ }
+ else
+ {
+ return false;
+ }
+
+ return true;
+ }
+
+ bool Program::getUniformfv(GLint location, GLsizei *bufSize, GLfloat *params)
+ {
+ if(location < 0 || location >= (int)uniformIndex.size())
+ {
+ return false;
+ }
+
+ Uniform *targetUniform = uniforms[uniformIndex[location].index];
+ unsigned int count = UniformComponentCount(targetUniform->type);
+
+ // Sized query - ensure the provided buffer is large enough
+ if(bufSize && *bufSize < count * sizeof(GLfloat))
+ {
+ return false;
+ }
+
+ switch (UniformComponentType(targetUniform->type))
+ {
+ case GL_BOOL:
+ {
+ GLboolean *boolParams = (GLboolean*)targetUniform->data + uniformIndex[location].element * count;
+
+ for(unsigned int i = 0; i < count; i++)
+ {
+ params[i] = (boolParams[i] == GL_FALSE) ? 0.0f : 1.0f;
+ }
+ }
+ break;
+ case GL_FLOAT:
+ memcpy(params, targetUniform->data + uniformIndex[location].element * count * sizeof(GLfloat),
+ count * sizeof(GLfloat));
+ break;
+ case GL_INT:
+ {
+ GLint *intParams = (GLint*)targetUniform->data + uniformIndex[location].element * count;
+
+ for(unsigned int i = 0; i < count; i++)
+ {
+ params[i] = (float)intParams[i];
+ }
+ }
+ break;
+ default: UNREACHABLE();
+ }
+
+ return true;
+ }
+
+ bool Program::getUniformiv(GLint location, GLsizei *bufSize, GLint *params)
+ {
+ if(location < 0 || location >= (int)uniformIndex.size())
+ {
+ return false;
+ }
+
+ Uniform *targetUniform = uniforms[uniformIndex[location].index];
+ unsigned int count = UniformComponentCount(targetUniform->type);
+
+ // Sized query - ensure the provided buffer is large enough
+ if(bufSize && *bufSize < count * sizeof(GLint))
+ {
+ return false;
+ }
+
+ switch (UniformComponentType(targetUniform->type))
+ {
+ case GL_BOOL:
+ {
+ GLboolean *boolParams = targetUniform->data + uniformIndex[location].element * count;
+
+ for(unsigned int i = 0; i < count; i++)
+ {
+ params[i] = (GLint)boolParams[i];
+ }
+ }
+ break;
+ case GL_FLOAT:
+ {
+ GLfloat *floatParams = (GLfloat*)targetUniform->data + uniformIndex[location].element * count;
+
+ for(unsigned int i = 0; i < count; i++)
+ {
+ params[i] = (GLint)floatParams[i];
+ }
+ }
+ break;
+ case GL_INT:
+ memcpy(params, targetUniform->data + uniformIndex[location].element * count * sizeof(GLint),
+ count * sizeof(GLint));
+ break;
+ default: UNREACHABLE();
+ }
+
+ return true;
+ }
+
+ void Program::dirtyAllUniforms()
+ {
+ unsigned int numUniforms = uniforms.size();
+ for(unsigned int index = 0; index < numUniforms; index++)
+ {
+ uniforms[index]->dirty = true;
+ }
+ }
+
+ // Applies all the uniforms set for this program object to the device
+ void Program::applyUniforms()
+ {
+ unsigned int numUniforms = uniformIndex.size();
+ for(unsigned int location = 0; location < numUniforms; location++)
+ {
+ if(uniformIndex[location].element != 0)
+ {
+ continue;
+ }
+
+ Uniform *targetUniform = uniforms[uniformIndex[location].index];
+
+ if(targetUniform->dirty)
+ {
+ int size = targetUniform->size();
+ GLfloat *f = (GLfloat*)targetUniform->data;
+ GLint *i = (GLint*)targetUniform->data;
+ GLboolean *b = (GLboolean*)targetUniform->data;
+
+ switch(targetUniform->type)
+ {
+ case GL_BOOL: applyUniform1bv(location, size, b); break;
+ case GL_BOOL_VEC2: applyUniform2bv(location, size, b); break;
+ case GL_BOOL_VEC3: applyUniform3bv(location, size, b); break;
+ case GL_BOOL_VEC4: applyUniform4bv(location, size, b); break;
+ case GL_FLOAT: applyUniform1fv(location, size, f); break;
+ case GL_FLOAT_VEC2: applyUniform2fv(location, size, f); break;
+ case GL_FLOAT_VEC3: applyUniform3fv(location, size, f); break;
+ case GL_FLOAT_VEC4: applyUniform4fv(location, size, f); break;
+ case GL_FLOAT_MAT2: applyUniformMatrix2fv(location, size, f); break;
+ case GL_FLOAT_MAT3: applyUniformMatrix3fv(location, size, f); break;
+ case GL_FLOAT_MAT4: applyUniformMatrix4fv(location, size, f); break;
+ case GL_SAMPLER_2D:
+ case GL_SAMPLER_CUBE:
+ case GL_INT: applyUniform1iv(location, size, i); break;
+ case GL_INT_VEC2: applyUniform2iv(location, size, i); break;
+ case GL_INT_VEC3: applyUniform3iv(location, size, i); break;
+ case GL_INT_VEC4: applyUniform4iv(location, size, i); break;
+ default:
+ UNREACHABLE();
+ }
+
+ targetUniform->dirty = false;
+ }
+ }
+ }
+
+ // Packs varyings into generic varying registers, using the algorithm from [OpenGL ES Shading Language 1.00 rev. 17] appendix A section 7 page 111
+ // Returns the number of used varying registers, or -1 if unsuccesful
+ int Program::packVaryings(const Varying *packing[][4])
+ {
+ for(VaryingList::iterator varying = fragmentShader->varyings.begin(); varying != fragmentShader->varyings.end(); varying++)
+ {
+ int n = VariableRowCount(varying->type) * varying->size();
+ int m = VariableColumnCount(varying->type);
+ bool success = false;
+
+ if(m == 2 || m == 3 || m == 4)
+ {
+ for(int r = 0; r <= MAX_VARYING_VECTORS - n && !success; r++)
+ {
+ bool available = true;
+
+ for(int y = 0; y < n && available; y++)
+ {
+ for(int x = 0; x < m && available; x++)
+ {
+ if(packing[r + y][x])
+ {
+ available = false;
+ }
+ }
+ }
+
+ if(available)
+ {
+ varying->reg = r;
+ varying->col = 0;
+
+ for(int y = 0; y < n; y++)
+ {
+ for(int x = 0; x < m; x++)
+ {
+ packing[r + y][x] = &*varying;
+ }
+ }
+
+ success = true;
+ }
+ }
+
+ if(!success && m == 2)
+ {
+ for(int r = MAX_VARYING_VECTORS - n; r >= 0 && !success; r--)
+ {
+ bool available = true;
+
+ for(int y = 0; y < n && available; y++)
+ {
+ for(int x = 2; x < 4 && available; x++)
+ {
+ if(packing[r + y][x])
+ {
+ available = false;
+ }
+ }
+ }
+
+ if(available)
+ {
+ varying->reg = r;
+ varying->col = 2;
+
+ for(int y = 0; y < n; y++)
+ {
+ for(int x = 2; x < 4; x++)
+ {
+ packing[r + y][x] = &*varying;
+ }
+ }
+
+ success = true;
+ }
+ }
+ }
+ }
+ else if(m == 1)
+ {
+ int space[4] = {0};
+
+ for(int y = 0; y < MAX_VARYING_VECTORS; y++)
+ {
+ for(int x = 0; x < 4; x++)
+ {
+ space[x] += packing[y][x] ? 0 : 1;
+ }
+ }
+
+ int column = 0;
+
+ for(int x = 0; x < 4; x++)
+ {
+ if(space[x] >= n && space[x] < space[column])
+ {
+ column = x;
+ }
+ }
+
+ if(space[column] >= n)
+ {
+ for(int r = 0; r < MAX_VARYING_VECTORS; r++)
+ {
+ if(!packing[r][column])
+ {
+ varying->reg = r;
+
+ for(int y = r; y < r + n; y++)
+ {
+ packing[y][column] = &*varying;
+ }
+
+ break;
+ }
+ }
+
+ varying->col = column;
+
+ success = true;
+ }
+ }
+ else UNREACHABLE();
+
+ if(!success)
+ {
+ appendToInfoLog("Could not pack varying %s", varying->name.c_str());
+
+ return -1;
+ }
+ }
+
+ // Return the number of used registers
+ int registers = 0;
+
+ for(int r = 0; r < MAX_VARYING_VECTORS; r++)
+ {
+ if(packing[r][0] || packing[r][1] || packing[r][2] || packing[r][3])
+ {
+ registers++;
+ }
+ }
+
+ return registers;
+ }
+
+ bool Program::linkVaryings()
+ {
+ for(VaryingList::iterator input = fragmentShader->varyings.begin(); input != fragmentShader->varyings.end(); input++)
+ {
+ bool matched = false;
+
+ for(VaryingList::iterator output = vertexShader->varyings.begin(); output != vertexShader->varyings.end(); output++)
+ {
+ if(output->name == input->name)
+ {
+ if(output->type != input->type || output->size() != input->size())
+ {
+ appendToInfoLog("Type of vertex varying %s does not match that of the fragment varying", output->name.c_str());
+
+ return false;
+ }
+
+ matched = true;
+ break;
+ }
+ }
+
+ if(!matched)
+ {
+ appendToInfoLog("Fragment varying %s does not match any vertex varying", input->name.c_str());
+
+ return false;
+ }
+ }
+
+ VaryingList &psVaryings = fragmentShader->varyings;
+ VaryingList &vsVaryings = vertexShader->varyings;
+
+ for(VaryingList::iterator output = vsVaryings.begin(); output != vsVaryings.end(); output++)
+ {
+ for(VaryingList::iterator input = psVaryings.begin(); input != psVaryings.end(); input++)
+ {
+ if(output->name == input->name)
+ {
+ int in = input->reg;
+ int out = output->reg;
+ int components = VariableColumnCount(output->type);
+ int registers = VariableRowCount(output->type) * output->size();
+
+ ASSERT(in >= 0);
+
+ if(in + registers > MAX_VARYING_VECTORS)
+ {
+ appendToInfoLog("Too many varyings");
+
+ return false;
+ }
+
+ if(out >= 0)
+ {
+ if(out + registers > MAX_VARYING_VECTORS)
+ {
+ appendToInfoLog("Too many varyings");
+
+ return false;
+ }
+
+ for(int i = 0; i < registers; i++)
+ {
+ if(components >= 1) vertexBinary->output[out + i][0] = sw::Shader::Semantic(sw::Shader::USAGE_COLOR, in + i);
+ if(components >= 2) vertexBinary->output[out + i][1] = sw::Shader::Semantic(sw::Shader::USAGE_COLOR, in + i);
+ if(components >= 3) vertexBinary->output[out + i][2] = sw::Shader::Semantic(sw::Shader::USAGE_COLOR, in + i);
+ if(components >= 4) vertexBinary->output[out + i][3] = sw::Shader::Semantic(sw::Shader::USAGE_COLOR, in + i);
+ }
+ }
+ else // Vertex varying is declared but not written to
+ {
+ for(int i = 0; i < registers; i++)
+ {
+ if(components >= 1) pixelBinary->semantic[in + i][0] = sw::Shader::Semantic();
+ if(components >= 2) pixelBinary->semantic[in + i][1] = sw::Shader::Semantic();
+ if(components >= 3) pixelBinary->semantic[in + i][2] = sw::Shader::Semantic();
+ if(components >= 4) pixelBinary->semantic[in + i][3] = sw::Shader::Semantic();
+ }
+ }
+
+ break;
+ }
+ }
+ }
+
+ return true;
+ }
+
+ // Links the code of the vertex and pixel shader by matching up their varyings,
+ // compiling them into binaries, determining the attribute mappings, and collecting
+ // a list of uniforms
+ void Program::link()
+ {
+ unlink();
+
+ if(!fragmentShader || !fragmentShader->isCompiled())
+ {
+ return;
+ }
+
+ if(!vertexShader || !vertexShader->isCompiled())
+ {
+ return;
+ }
+
+ vertexBinary = new sw::VertexShader(vertexShader->getVertexShader());
+ pixelBinary = new sw::PixelShader(fragmentShader->getPixelShader());
+
+ if(!linkVaryings())
+ {
+ return;
+ }
+
+ if(!linkAttributes())
+ {
+ return;
+ }
+
+ if(!linkUniforms(fragmentShader))
+ {
+ return;
+ }
+
+ if(!linkUniforms(vertexShader))
+ {
+ return;
+ }
+
+ linked = true; // Success
+ }
+
+ // Determines the mapping between GL attributes and vertex stream usage indices
+ bool Program::linkAttributes()
+ {
+ unsigned int usedLocations = 0;
+
+ // Link attributes that have a binding location
+ for(sh::ActiveAttributes::iterator attribute = vertexShader->activeAttributes.begin(); attribute != vertexShader->activeAttributes.end(); attribute++)
+ {
+ int location = getAttributeBinding(attribute->name);
+
+ if(location != -1) // Set by glBindAttribLocation
+ {
+ if(!linkedAttribute[location].name.empty())
+ {
+ // Multiple active attributes bound to the same location; not an error
+ }
+
+ linkedAttribute[location] = *attribute;
+
+ int rows = VariableRowCount(attribute->type);
+
+ if(rows + location > MAX_VERTEX_ATTRIBS)
+ {
+ appendToInfoLog("Active attribute (%s) at location %d is too big to fit", attribute->name.c_str(), location);
+
+ return false;
+ }
+
+ for(int i = 0; i < rows; i++)
+ {
+ usedLocations |= 1 << (location + i);
+ }
+ }
+ }
+
+ // Link attributes that don't have a binding location
+ for(sh::ActiveAttributes::iterator attribute = vertexShader->activeAttributes.begin(); attribute != vertexShader->activeAttributes.end(); attribute++)
+ {
+ int location = getAttributeBinding(attribute->name);
+
+ if(location == -1) // Not set by glBindAttribLocation
+ {
+ int rows = VariableRowCount(attribute->type);
+ int availableIndex = AllocateFirstFreeBits(&usedLocations, rows, MAX_VERTEX_ATTRIBS);
+
+ if(availableIndex == -1 || availableIndex + rows > MAX_VERTEX_ATTRIBS)
+ {
+ appendToInfoLog("Too many active attributes (%s)", attribute->name.c_str());
+
+ return false; // Fail to link
+ }
+
+ linkedAttribute[availableIndex] = *attribute;
+ }
+ }
+
+ for(int attributeIndex = 0; attributeIndex < MAX_VERTEX_ATTRIBS; )
+ {
+ int index = vertexShader->getSemanticIndex(linkedAttribute[attributeIndex].name);
+ int rows = std::max(VariableRowCount(linkedAttribute[attributeIndex].type), 1);
+
+ for(int r = 0; r < rows; r++)
+ {
+ attributeStream[attributeIndex++] = index++;
+ }
+ }
+
+ return true;
+ }
+
+ int Program::getAttributeBinding(const std::string &name)
+ {
+ for(int location = 0; location < MAX_VERTEX_ATTRIBS; location++)
+ {
+ if(attributeBinding[location].find(name) != attributeBinding[location].end())
+ {
+ return location;
+ }
+ }
+
+ return -1;
+ }
+
+ bool Program::linkUniforms(Shader *shader)
+ {
+ const sh::ActiveUniforms &activeUniforms = shader->activeUniforms;
+
+ for(unsigned int uniformIndex = 0; uniformIndex < activeUniforms.size(); uniformIndex++)
+ {
+ const sh::Uniform &uniform = activeUniforms[uniformIndex];
+
+ if(!defineUniform(shader->getType(), uniform.type, uniform.name, uniform.arraySize, uniform.registerIndex))
+ {
+ return false;
+ }
+ }
+
+ return true;
+ }
+
+ bool Program::defineUniform(GLenum shader, GLenum type, const std::string &name, unsigned int arraySize, int registerIndex)
+ {
+ if(type == GL_SAMPLER_2D || type == GL_SAMPLER_CUBE)
+ {
+ int index = registerIndex;
+
+ do
+ {
+ if(shader == GL_VERTEX_SHADER)
+ {
+ if(index < MAX_VERTEX_TEXTURE_IMAGE_UNITS)
+ {
+ samplersVS[index].active = true;
+ samplersVS[index].textureType = (type == GL_SAMPLER_CUBE) ? TEXTURE_CUBE : TEXTURE_2D;
+ samplersVS[index].logicalTextureUnit = 0;
+ }
+ else
+ {
+ appendToInfoLog("Vertex shader sampler count exceeds MAX_VERTEX_TEXTURE_IMAGE_UNITS (%d).", MAX_VERTEX_TEXTURE_IMAGE_UNITS);
+ return false;
+ }
+ }
+ else if(shader == GL_FRAGMENT_SHADER)
+ {
+ if(index < MAX_TEXTURE_IMAGE_UNITS)
+ {
+ samplersPS[index].active = true;
+ samplersPS[index].textureType = (type == GL_SAMPLER_CUBE) ? TEXTURE_CUBE : TEXTURE_2D;
+ samplersPS[index].logicalTextureUnit = 0;
+ }
+ else
+ {
+ appendToInfoLog("Pixel shader sampler count exceeds MAX_TEXTURE_IMAGE_UNITS (%d).", MAX_TEXTURE_IMAGE_UNITS);
+ return false;
+ }
+ }
+ else UNREACHABLE();
+
+ index++;
+ }
+ while(index < registerIndex + arraySize);
+ }
+
+ Uniform *uniform = 0;
+ GLint location = getUniformLocation(name);
+
+ if(location >= 0) // Previously defined, types must match
+ {
+ uniform = uniforms[uniformIndex[location].index];
+
+ if(uniform->type != type)
+ {
+ return false;
+ }
+ }
+ else
+ {
+ uniform = new Uniform(type, name, arraySize);
+ }
+
+ if(!uniform)
+ {
+ return false;
+ }
+
+ if(shader == GL_VERTEX_SHADER)
+ {
+ uniform->vsRegisterIndex = registerIndex;
+ }
+ else if(shader == GL_FRAGMENT_SHADER)
+ {
+ uniform->psRegisterIndex = registerIndex;
+ }
+ else UNREACHABLE();
+
+ if(location == -1) // Not previously defined
+ {
+ uniforms.push_back(uniform);
+ unsigned int index = uniforms.size() - 1;
+
+ for(unsigned int i = 0; i < uniform->size(); i++)
+ {
+ uniformIndex.push_back(UniformLocation(name, i, index));
+ }
+ }
+
+ if(shader == GL_VERTEX_SHADER)
+ {
+ if(registerIndex + uniform->registerCount() > MAX_VERTEX_UNIFORM_VECTORS)
+ {
+ appendToInfoLog("Vertex shader active uniforms exceed GL_MAX_VERTEX_UNIFORM_VECTORS (%d)", MAX_VERTEX_UNIFORM_VECTORS);
+ return false;
+ }
+ }
+ else if(shader == GL_FRAGMENT_SHADER)
+ {
+ if(registerIndex + uniform->registerCount() > MAX_FRAGMENT_UNIFORM_VECTORS)
+ {
+ appendToInfoLog("Fragment shader active uniforms exceed GL_MAX_FRAGMENT_UNIFORM_VECTORS (%d)", MAX_FRAGMENT_UNIFORM_VECTORS);
+ return false;
+ }
+ }
+ else UNREACHABLE();
+
+ return true;
+ }
+
+ bool Program::applyUniform1bv(GLint location, GLsizei count, const GLboolean *v)
+ {
+ int vector[MAX_UNIFORM_VECTORS][4];
+
+ for(int i = 0; i < count; i++)
+ {
+ vector[i][0] = (v[0] == GL_FALSE ? 0x00000000 : 0xFFFFFFFF);
+ vector[i][1] = 0;
+ vector[i][2] = 0;
+ vector[i][3] = 0;
+
+ v += 1;
+ }
+
+ Uniform *targetUniform = uniforms[uniformIndex[location].index];
+
+ if(targetUniform->psRegisterIndex != -1)
+ {
+ device->setPixelShaderConstantF(targetUniform->psRegisterIndex, (float*)vector, targetUniform->registerCount());
+ }
+
+ if(targetUniform->vsRegisterIndex != -1)
+ {
+ device->setVertexShaderConstantF(targetUniform->vsRegisterIndex, (float*)vector, targetUniform->registerCount());
+ }
+
+ return true;
+ }
+
+ bool Program::applyUniform2bv(GLint location, GLsizei count, const GLboolean *v)
+ {
+ int vector[MAX_UNIFORM_VECTORS][4];
+
+ for(int i = 0; i < count; i++)
+ {
+ vector[i][0] = (v[0] == GL_FALSE ? 0x00000000 : 0xFFFFFFFF);
+ vector[i][1] = (v[1] == GL_FALSE ? 0x00000000 : 0xFFFFFFFF);
+ vector[i][2] = 0;
+ vector[i][3] = 0;
+
+ v += 2;
+ }
+
+ Uniform *targetUniform = uniforms[uniformIndex[location].index];
+
+ if(targetUniform->psRegisterIndex != -1)
+ {
+ device->setPixelShaderConstantF(targetUniform->psRegisterIndex, (float*)vector, targetUniform->registerCount());
+ }
+
+ if(targetUniform->vsRegisterIndex != -1)
+ {
+ device->setVertexShaderConstantF(targetUniform->vsRegisterIndex, (float*)vector, targetUniform->registerCount());
+ }
+
+ return true;
+ }
+
+ bool Program::applyUniform3bv(GLint location, GLsizei count, const GLboolean *v)
+ {
+ int vector[MAX_UNIFORM_VECTORS][4];
+
+ for(int i = 0; i < count; i++)
+ {
+ vector[i][0] = (v[0] == GL_FALSE ? 0x00000000 : 0xFFFFFFFF);
+ vector[i][1] = (v[1] == GL_FALSE ? 0x00000000 : 0xFFFFFFFF);
+ vector[i][2] = (v[2] == GL_FALSE ? 0x00000000 : 0xFFFFFFFF);
+ vector[i][3] = 0;
+
+ v += 3;
+ }
+
+ Uniform *targetUniform = uniforms[uniformIndex[location].index];
+
+ if(targetUniform->psRegisterIndex != -1)
+ {
+ device->setPixelShaderConstantF(targetUniform->psRegisterIndex, (float*)vector, targetUniform->registerCount());
+ }
+
+ if(targetUniform->vsRegisterIndex != -1)
+ {
+ device->setVertexShaderConstantF(targetUniform->vsRegisterIndex, (float*)vector, targetUniform->registerCount());
+ }
+
+ return true;
+ }
+
+ bool Program::applyUniform4bv(GLint location, GLsizei count, const GLboolean *v)
+ {
+ int vector[MAX_UNIFORM_VECTORS][4];
+
+ for(int i = 0; i < count; i++)
+ {
+ vector[i][0] = (v[0] == GL_FALSE ? 0x00000000 : 0xFFFFFFFF);
+ vector[i][1] = (v[1] == GL_FALSE ? 0x00000000 : 0xFFFFFFFF);
+ vector[i][2] = (v[2] == GL_FALSE ? 0x00000000 : 0xFFFFFFFF);
+ vector[i][3] = (v[3] == GL_FALSE ? 0x00000000 : 0xFFFFFFFF);
+
+ v += 4;
+ }
+
+ Uniform *targetUniform = uniforms[uniformIndex[location].index];
+
+ if(targetUniform->psRegisterIndex != -1)
+ {
+ device->setPixelShaderConstantF(targetUniform->psRegisterIndex, (float*)vector, targetUniform->registerCount());
+ }
+
+ if(targetUniform->vsRegisterIndex != -1)
+ {
+ device->setVertexShaderConstantF(targetUniform->vsRegisterIndex, (float*)vector, targetUniform->registerCount());
+ }
+
+ return true;
+ }
+
+ bool Program::applyUniform1fv(GLint location, GLsizei count, const GLfloat *v)
+ {
+ float vector[MAX_UNIFORM_VECTORS][4];
+
+ for(int i = 0; i < count; i++)
+ {
+ vector[i][0] = v[0];
+ vector[i][1] = 0;
+ vector[i][2] = 0;
+ vector[i][3] = 0;
+
+ v += 1;
+ }
+
+ Uniform *targetUniform = uniforms[uniformIndex[location].index];
+
+ if(targetUniform->psRegisterIndex != -1)
+ {
+ device->setPixelShaderConstantF(targetUniform->psRegisterIndex, (float*)vector, targetUniform->registerCount());
+ }
+
+ if(targetUniform->vsRegisterIndex != -1)
+ {
+ device->setVertexShaderConstantF(targetUniform->vsRegisterIndex, (float*)vector, targetUniform->registerCount());
+ }
+
+ return true;
+ }
+
+ bool Program::applyUniform2fv(GLint location, GLsizei count, const GLfloat *v)
+ {
+ float vector[MAX_UNIFORM_VECTORS][4];
+
+ for(int i = 0; i < count; i++)
+ {
+ vector[i][0] = v[0];
+ vector[i][1] = v[1];
+ vector[i][2] = 0;
+ vector[i][3] = 0;
+
+ v += 2;
+ }
+
+ Uniform *targetUniform = uniforms[uniformIndex[location].index];
+
+ if(targetUniform->psRegisterIndex != -1)
+ {
+ device->setPixelShaderConstantF(targetUniform->psRegisterIndex, (float*)vector, targetUniform->registerCount());
+ }
+
+ if(targetUniform->vsRegisterIndex != -1)
+ {
+ device->setVertexShaderConstantF(targetUniform->vsRegisterIndex, (float*)vector, targetUniform->registerCount());
+ }
+
+ return true;
+ }
+
+ bool Program::applyUniform3fv(GLint location, GLsizei count, const GLfloat *v)
+ {
+ float vector[MAX_UNIFORM_VECTORS][4];
+
+ for(int i = 0; i < count; i++)
+ {
+ vector[i][0] = v[0];
+ vector[i][1] = v[1];
+ vector[i][2] = v[2];
+ vector[i][3] = 0;
+
+ v += 3;
+ }
+
+ Uniform *targetUniform = uniforms[uniformIndex[location].index];
+
+ if(targetUniform->psRegisterIndex != -1)
+ {
+ device->setPixelShaderConstantF(targetUniform->psRegisterIndex, (float*)vector, targetUniform->registerCount());
+ }
+
+ if(targetUniform->vsRegisterIndex != -1)
+ {
+ device->setVertexShaderConstantF(targetUniform->vsRegisterIndex, (float*)vector, targetUniform->registerCount());
+ }
+
+ return true;
+ }
+
+ bool Program::applyUniform4fv(GLint location, GLsizei count, const GLfloat *v)
+ {
+ Uniform *targetUniform = uniforms[uniformIndex[location].index];
+
+ if(targetUniform->psRegisterIndex != -1)
+ {
+ device->setPixelShaderConstantF(targetUniform->psRegisterIndex, (float*)v, targetUniform->registerCount());
+ }
+
+ if(targetUniform->vsRegisterIndex != -1)
+ {
+ device->setVertexShaderConstantF(targetUniform->vsRegisterIndex, (float*)v, targetUniform->registerCount());
+ }
+
+ return true;
+ }
+
+ bool Program::applyUniformMatrix2fv(GLint location, GLsizei count, const GLfloat *value)
+ {
+ float matrix[(MAX_UNIFORM_VECTORS + 1) / 2][2][4];
+
+ for(int i = 0; i < count; i++)
+ {
+ matrix[i][0][0] = value[0]; matrix[i][0][1] = value[1]; matrix[i][0][2] = 0; matrix[i][0][3] = 0;
+ matrix[i][1][0] = value[2]; matrix[i][1][1] = value[3]; matrix[i][1][2] = 0; matrix[i][1][3] = 0;
+
+ value += 4;
+ }
+
+ Uniform *targetUniform = uniforms[uniformIndex[location].index];
+
+ if(targetUniform->psRegisterIndex != -1)
+ {
+ device->setPixelShaderConstantF(targetUniform->psRegisterIndex, (float*)matrix, targetUniform->registerCount());
+ }
+
+ if(targetUniform->vsRegisterIndex != -1)
+ {
+ device->setVertexShaderConstantF(targetUniform->vsRegisterIndex, (float*)matrix, targetUniform->registerCount());
+ }
+
+ return true;
+ }
+
+ bool Program::applyUniformMatrix3fv(GLint location, GLsizei count, const GLfloat *value)
+ {
+ float matrix[(MAX_UNIFORM_VECTORS + 2) / 3][3][4];
+
+ for(int i = 0; i < count; i++)
+ {
+ matrix[i][0][0] = value[0]; matrix[i][0][1] = value[1]; matrix[i][0][2] = value[2]; matrix[i][0][3] = 0;
+ matrix[i][1][0] = value[3]; matrix[i][1][1] = value[4]; matrix[i][1][2] = value[5]; matrix[i][1][3] = 0;
+ matrix[i][2][0] = value[6]; matrix[i][2][1] = value[7]; matrix[i][2][2] = value[8]; matrix[i][2][3] = 0;
+
+ value += 9;
+ }
+
+ Uniform *targetUniform = uniforms[uniformIndex[location].index];
+
+ if(targetUniform->psRegisterIndex != -1)
+ {
+ device->setPixelShaderConstantF(targetUniform->psRegisterIndex, (float*)matrix, targetUniform->registerCount());
+ }
+
+ if(targetUniform->vsRegisterIndex != -1)
+ {
+ device->setVertexShaderConstantF(targetUniform->vsRegisterIndex, (float*)matrix, targetUniform->registerCount());
+ }
+
+ return true;
+ }
+
+ bool Program::applyUniformMatrix4fv(GLint location, GLsizei count, const GLfloat *value)
+ {
+ Uniform *targetUniform = uniforms[uniformIndex[location].index];
+
+ if(targetUniform->psRegisterIndex != -1)
+ {
+ device->setPixelShaderConstantF(targetUniform->psRegisterIndex, (float*)value, targetUniform->registerCount());
+ }
+
+ if(targetUniform->vsRegisterIndex != -1)
+ {
+ device->setVertexShaderConstantF(targetUniform->vsRegisterIndex, (float*)value, targetUniform->registerCount());
+ }
+
+ return true;
+ }
+
+ bool Program::applyUniform1iv(GLint location, GLsizei count, const GLint *v)
+ {
+ float vector[MAX_UNIFORM_VECTORS][4];
+
+ for(int i = 0; i < count; i++)
+ {
+ vector[i][0] = (float)v[i];
+ vector[i][1] = 0;
+ vector[i][2] = 0;
+ vector[i][3] = 0;
+ }
+
+ Uniform *targetUniform = uniforms[uniformIndex[location].index];
+
+ if(targetUniform->psRegisterIndex != -1)
+ {
+ if(targetUniform->type == GL_SAMPLER_2D ||
+ targetUniform->type == GL_SAMPLER_CUBE)
+ {
+ for(int i = 0; i < count; i++)
+ {
+ unsigned int samplerIndex = targetUniform->psRegisterIndex + i;
+
+ if(samplerIndex < MAX_TEXTURE_IMAGE_UNITS)
+ {
+ ASSERT(samplersPS[samplerIndex].active);
+ samplersPS[samplerIndex].logicalTextureUnit = v[i];
+ }
+ }
+ }
+ else
+ {
+ device->setPixelShaderConstantF(targetUniform->psRegisterIndex, (float*)vector, targetUniform->registerCount());
+ }
+ }
+
+ if(targetUniform->vsRegisterIndex != -1)
+ {
+ if(targetUniform->type == GL_SAMPLER_2D ||
+ targetUniform->type == GL_SAMPLER_CUBE)
+ {
+ for(int i = 0; i < count; i++)
+ {
+ unsigned int samplerIndex = targetUniform->vsRegisterIndex + i;
+
+ if(samplerIndex < MAX_VERTEX_TEXTURE_IMAGE_UNITS)
+ {
+ ASSERT(samplersVS[samplerIndex].active);
+ samplersVS[samplerIndex].logicalTextureUnit = v[i];
+ }
+ }
+ }
+ else
+ {
+ device->setVertexShaderConstantF(targetUniform->vsRegisterIndex, (float*)vector, targetUniform->registerCount());
+ }
+ }
+
+ return true;
+ }
+
+ bool Program::applyUniform2iv(GLint location, GLsizei count, const GLint *v)
+ {
+ float vector[MAX_UNIFORM_VECTORS][4];
+
+ for(int i = 0; i < count; i++)
+ {
+ vector[i][0] = (float)v[0];
+ vector[i][1] = (float)v[1];
+ vector[i][2] = 0;
+ vector[i][3] = 0;
+
+ v += 2;
+ }
+
+ Uniform *targetUniform = uniforms[uniformIndex[location].index];
+
+ if(targetUniform->psRegisterIndex != -1)
+ {
+ device->setPixelShaderConstantF(targetUniform->psRegisterIndex, (float*)vector, targetUniform->registerCount());
+ }
+
+ if(targetUniform->vsRegisterIndex != -1)
+ {
+ device->setVertexShaderConstantF(targetUniform->vsRegisterIndex, (float*)vector, targetUniform->registerCount());
+ }
+
+ return true;
+ }
+
+ bool Program::applyUniform3iv(GLint location, GLsizei count, const GLint *v)
+ {
+ float vector[MAX_UNIFORM_VECTORS][4];
+
+ for(int i = 0; i < count; i++)
+ {
+ vector[i][0] = (float)v[0];
+ vector[i][1] = (float)v[1];
+ vector[i][2] = (float)v[2];
+ vector[i][3] = 0;
+
+ v += 3;
+ }
+
+ Uniform *targetUniform = uniforms[uniformIndex[location].index];
+
+ if(targetUniform->psRegisterIndex != -1)
+ {
+ device->setPixelShaderConstantF(targetUniform->psRegisterIndex, (float*)vector, targetUniform->registerCount());
+ }
+
+ if(targetUniform->vsRegisterIndex != -1)
+ {
+ device->setVertexShaderConstantF(targetUniform->vsRegisterIndex, (float*)vector, targetUniform->registerCount());
+ }
+
+ return true;
+ }
+
+ bool Program::applyUniform4iv(GLint location, GLsizei count, const GLint *v)
+ {
+ float vector[MAX_UNIFORM_VECTORS][4];
+
+ for(int i = 0; i < count; i++)
+ {
+ vector[i][0] = (float)v[0];
+ vector[i][1] = (float)v[1];
+ vector[i][2] = (float)v[2];
+ vector[i][3] = (float)v[3];
+
+ v += 4;
+ }
+
+ Uniform *targetUniform = uniforms[uniformIndex[location].index];
+
+ if(targetUniform->psRegisterIndex != -1)
+ {
+ device->setPixelShaderConstantF(targetUniform->psRegisterIndex, (float*)vector, targetUniform->registerCount());
+ }
+
+ if(targetUniform->vsRegisterIndex != -1)
+ {
+ device->setVertexShaderConstantF(targetUniform->vsRegisterIndex, (float*)vector, targetUniform->registerCount());
+ }
+
+ return true;
+ }
+
+ void Program::appendToInfoLog(const char *format, ...)
+ {
+ if(!format)
+ {
+ return;
+ }
+
+ char info[1024];
+
+ va_list vararg;
+ va_start(vararg, format);
+ vsnprintf(info, sizeof(info), format, vararg);
+ va_end(vararg);
+
+ size_t infoLength = strlen(info);
+
+ if(!infoLog)
+ {
+ infoLog = new char[infoLength + 1];
+ strcpy(infoLog, info);
+ }
+ else
+ {
+ size_t logLength = strlen(infoLog);
+ char *newLog = new char[logLength + infoLength + 1];
+ strcpy(newLog, infoLog);
+ strcpy(newLog + logLength, info);
+
+ delete[] infoLog;
+ infoLog = newLog;
+ }
+ }
+
+ void Program::resetInfoLog()
+ {
+ if(infoLog)
+ {
+ delete[] infoLog;
+ infoLog = 0;
+ }
+ }
+
+ // Returns the program object to an unlinked state, before re-linking, or at destruction
+ void Program::unlink()
+ {
+ delete vertexBinary;
+ vertexBinary = 0;
+ delete pixelBinary;
+ pixelBinary = 0;
+
+ for(int index = 0; index < MAX_VERTEX_ATTRIBS; index++)
+ {
+ linkedAttribute[index].name.clear();
+ attributeStream[index] = -1;
+ }
+
+ for(int index = 0; index < MAX_TEXTURE_IMAGE_UNITS; index++)
+ {
+ samplersPS[index].active = false;
+ }
+
+ for(int index = 0; index < MAX_VERTEX_TEXTURE_IMAGE_UNITS; index++)
+ {
+ samplersVS[index].active = false;
+ }
+
+ while(!uniforms.empty())
+ {
+ delete uniforms.back();
+ uniforms.pop_back();
+ }
+
+ uniformIndex.clear();
+
+ delete[] infoLog;
+ infoLog = 0;
+
+ linked = false;
+ }
+
+ bool Program::isLinked()
+ {
+ return linked;
+ }
+
+ bool Program::isValidated() const
+ {
+ return validated;
+ }
+
+ void Program::release()
+ {
+ referenceCount--;
+
+ if(referenceCount == 0 && orphaned)
+ {
+ resourceManager->deleteProgram(handle);
+ }
+ }
+
+ void Program::addRef()
+ {
+ referenceCount++;
+ }
+
+ unsigned int Program::getRefCount() const
+ {
+ return referenceCount;
+ }
+
+ unsigned int Program::getSerial() const
+ {
+ return serial;
+ }
+
+ unsigned int Program::issueSerial()
+ {
+ return currentSerial++;
+ }
+
+ int Program::getInfoLogLength() const
+ {
+ if(!infoLog)
+ {
+ return 0;
+ }
+ else
+ {
+ return strlen(infoLog) + 1;
+ }
+ }
+
+ void Program::getInfoLog(GLsizei bufSize, GLsizei *length, char *buffer)
+ {
+ int index = 0;
+
+ if(bufSize > 0)
+ {
+ if(infoLog)
+ {
+ index = std::min(bufSize - 1, (int)strlen(infoLog));
+ memcpy(buffer, infoLog, index);
+ }
+
+ buffer[index] = '\0';
+ }
+
+ if(length)
+ {
+ *length = index;
+ }
+ }
+
+ void Program::getAttachedShaders(GLsizei maxCount, GLsizei *count, GLuint *shaders)
+ {
+ int total = 0;
+
+ if(vertexShader)
+ {
+ if(total < maxCount)
+ {
+ shaders[total] = vertexShader->getHandle();
+ }
+
+ total++;
+ }
+
+ if(fragmentShader)
+ {
+ if(total < maxCount)
+ {
+ shaders[total] = fragmentShader->getHandle();
+ }
+
+ total++;
+ }
+
+ if(count)
+ {
+ *count = total;
+ }
+ }
+
+ void Program::getActiveAttribute(GLuint index, GLsizei bufsize, GLsizei *length, GLint *size, GLenum *type, GLchar *name)
+ {
+ // Skip over inactive attributes
+ unsigned int activeAttribute = 0;
+ unsigned int attribute;
+ for(attribute = 0; attribute < MAX_VERTEX_ATTRIBS; attribute++)
+ {
+ if(linkedAttribute[attribute].name.empty())
+ {
+ continue;
+ }
+
+ if(activeAttribute == index)
+ {
+ break;
+ }
+
+ activeAttribute++;
+ }
+
+ if(bufsize > 0)
+ {
+ const char *string = linkedAttribute[attribute].name.c_str();
+
+ strncpy(name, string, bufsize);
+ name[bufsize - 1] = '\0';
+
+ if(length)
+ {
+ *length = strlen(name);
+ }
+ }
+
+ *size = 1; // Always a single 'type' instance
+
+ *type = linkedAttribute[attribute].type;
+ }
+
+ GLint Program::getActiveAttributeCount()
+ {
+ int count = 0;
+
+ for(int attributeIndex = 0; attributeIndex < MAX_VERTEX_ATTRIBS; attributeIndex++)
+ {
+ if(!linkedAttribute[attributeIndex].name.empty())
+ {
+ count++;
+ }
+ }
+
+ return count;
+ }
+
+ GLint Program::getActiveAttributeMaxLength()
+ {
+ int maxLength = 0;
+
+ for(int attributeIndex = 0; attributeIndex < MAX_VERTEX_ATTRIBS; attributeIndex++)
+ {
+ if(!linkedAttribute[attributeIndex].name.empty())
+ {
+ maxLength = std::max((int)(linkedAttribute[attributeIndex].name.length() + 1), maxLength);
+ }
+ }
+
+ return maxLength;
+ }
+
+ void Program::getActiveUniform(GLuint index, GLsizei bufsize, GLsizei *length, GLint *size, GLenum *type, GLchar *name)
+ {
+ if(bufsize > 0)
+ {
+ std::string string = uniforms[index]->name;
+
+ if(uniforms[index]->isArray())
+ {
+ string += "[0]";
+ }
+
+ strncpy(name, string.c_str(), bufsize);
+ name[bufsize - 1] = '\0';
+
+ if(length)
+ {
+ *length = strlen(name);
+ }
+ }
+
+ *size = uniforms[index]->size();
+
+ *type = uniforms[index]->type;
+ }
+
+ GLint Program::getActiveUniformCount()
+ {
+ return uniforms.size();
+ }
+
+ GLint Program::getActiveUniformMaxLength()
+ {
+ int maxLength = 0;
+
+ unsigned int numUniforms = uniforms.size();
+ for(unsigned int uniformIndex = 0; uniformIndex < numUniforms; uniformIndex++)
+ {
+ if(!uniforms[uniformIndex]->name.empty())
+ {
+ int length = (int)(uniforms[uniformIndex]->name.length() + 1);
+ if(uniforms[uniformIndex]->isArray())
+ {
+ length += 3; // Counting in "[0]".
+ }
+ maxLength = std::max(length, maxLength);
+ }
+ }
+
+ return maxLength;
+ }
+
+ void Program::flagForDeletion()
+ {
+ orphaned = true;
+ }
+
+ bool Program::isFlaggedForDeletion() const
+ {
+ return orphaned;
+ }
+
+ void Program::validate()
+ {
+ resetInfoLog();
+
+ if(!isLinked())
+ {
+ appendToInfoLog("Program has not been successfully linked.");
+ validated = false;
+ }
+ else
+ {
+ applyUniforms();
+ if(!validateSamplers(true))
+ {
+ validated = false;
+ }
+ else
+ {
+ validated = true;
+ }
+ }
+ }
+
+ bool Program::validateSamplers(bool logErrors)
+ {
+ // if any two active samplers in a program are of different types, but refer to the same
+ // texture image unit, and this is the current program, then ValidateProgram will fail, and
+ // DrawArrays and DrawElements will issue the INVALID_OPERATION error.
+
+ TextureType textureUnitType[MAX_COMBINED_TEXTURE_IMAGE_UNITS];
+
+ for(unsigned int i = 0; i < MAX_COMBINED_TEXTURE_IMAGE_UNITS; i++)
+ {
+ textureUnitType[i] = TEXTURE_UNKNOWN;
+ }
+
+ for(unsigned int i = 0; i < MAX_TEXTURE_IMAGE_UNITS; i++)
+ {
+ if(samplersPS[i].active)
+ {
+ unsigned int unit = samplersPS[i].logicalTextureUnit;
+
+ if(unit >= MAX_COMBINED_TEXTURE_IMAGE_UNITS)
+ {
+ if(logErrors)
+ {
+ appendToInfoLog("Sampler uniform (%d) exceeds MAX_COMBINED_TEXTURE_IMAGE_UNITS (%d)", unit, MAX_COMBINED_TEXTURE_IMAGE_UNITS);
+ }
+
+ return false;
+ }
+
+ if(textureUnitType[unit] != TEXTURE_UNKNOWN)
+ {
+ if(samplersPS[i].textureType != textureUnitType[unit])
+ {
+ if(logErrors)
+ {
+ appendToInfoLog("Samplers of conflicting types refer to the same texture image unit (%d).", unit);
+ }
+
+ return false;
+ }
+ }
+ else
+ {
+ textureUnitType[unit] = samplersPS[i].textureType;
+ }
+ }
+ }
+
+ for(unsigned int i = 0; i < MAX_VERTEX_TEXTURE_IMAGE_UNITS; i++)
+ {
+ if(samplersVS[i].active)
+ {
+ unsigned int unit = samplersVS[i].logicalTextureUnit;
+
+ if(unit >= MAX_COMBINED_TEXTURE_IMAGE_UNITS)
+ {
+ if(logErrors)
+ {
+ appendToInfoLog("Sampler uniform (%d) exceeds MAX_COMBINED_TEXTURE_IMAGE_UNITS (%d)", unit, MAX_COMBINED_TEXTURE_IMAGE_UNITS);
+ }
+
+ return false;
+ }
+
+ if(textureUnitType[unit] != TEXTURE_UNKNOWN)
+ {
+ if(samplersVS[i].textureType != textureUnitType[unit])
+ {
+ if(logErrors)
+ {
+ appendToInfoLog("Samplers of conflicting types refer to the same texture image unit (%d).", unit);
+ }
+
+ return false;
+ }
+ }
+ else
+ {
+ textureUnitType[unit] = samplersVS[i].textureType;
+ }
+ }
+ }
+
+ return true;
+ }
+}
diff --git a/src/GLES2/libGLESv2/Program.h b/src/GLES2/libGLESv2/Program.h
new file mode 100644
index 0000000..404a208
--- /dev/null
+++ b/src/GLES2/libGLESv2/Program.h
@@ -0,0 +1,206 @@
+// SwiftShader Software Renderer
+//
+// Copyright(c) 2005-2012 TransGaming Inc.
+//
+// All rights reserved. No part of this software may be copied, distributed, transmitted,
+// transcribed, stored in a retrieval system, translated into any human or computer
+// language by any means, or disclosed to third parties without the explicit written
+// agreement of TransGaming Inc. Without such an agreement, no rights or licenses, express
+// or implied, including but not limited to any patent rights, are granted to you.
+//
+
+// Program.h: Defines the Program class. Implements GL program objects
+// and related functionality. [OpenGL ES 2.0.24] section 2.10.3 page 28.
+
+#ifndef LIBGLESV2_PROGRAM_H_
+#define LIBGLESV2_PROGRAM_H_
+
+#include "Shader.h"
+#include "Context.h"
+#include "Shader/PixelShader.hpp"
+#include "Shader/VertexShader.hpp"
+
+#include <string>
+#include <vector>
+#include <set>
+
+namespace gl
+{
+ class Device;
+ class ResourceManager;
+ class FragmentShader;
+ class VertexShader;
+
+ // Helper struct representing a single shader uniform
+ struct Uniform
+ {
+ Uniform(GLenum type, const std::string &name, unsigned int arraySize);
+
+ ~Uniform();
+
+ bool isArray() const;
+ int size() const;
+ int registerCount() const;
+
+ const GLenum type;
+ const std::string name;
+ const unsigned int arraySize;
+
+ unsigned char *data;
+ bool dirty;
+
+ short psRegisterIndex;
+ short vsRegisterIndex;
+ };
+
+ // Struct used for correlating uniforms/elements of uniform arrays to handles
+ struct UniformLocation
+ {
+ UniformLocation(const std::string &name, unsigned int element, unsigned int index);
+
+ std::string name;
+ unsigned int element;
+ unsigned int index;
+ };
+
+ class Program
+ {
+ public:
+ Program(ResourceManager *manager, GLuint handle);
+
+ ~Program();
+
+ bool attachShader(Shader *shader);
+ bool detachShader(Shader *shader);
+ int getAttachedShadersCount() const;
+
+ sw::PixelShader *getPixelShader();
+ sw::VertexShader *getVertexShader();
+
+ void bindAttributeLocation(GLuint index, const char *name);
+ GLuint getAttributeLocation(const char *name);
+ int getAttributeStream(int attributeIndex);
+
+ GLint getSamplerMapping(sw::SamplerType type, unsigned int samplerIndex);
+ TextureType getSamplerTextureType(sw::SamplerType type, unsigned int samplerIndex);
+
+ GLint getUniformLocation(std::string name);
+ bool setUniform1fv(GLint location, GLsizei count, const GLfloat *v);
+ bool setUniform2fv(GLint location, GLsizei count, const GLfloat *v);
+ bool setUniform3fv(GLint location, GLsizei count, const GLfloat *v);
+ bool setUniform4fv(GLint location, GLsizei count, const GLfloat *v);
+ bool setUniformMatrix2fv(GLint location, GLsizei count, const GLfloat *value);
+ bool setUniformMatrix3fv(GLint location, GLsizei count, const GLfloat *value);
+ bool setUniformMatrix4fv(GLint location, GLsizei count, const GLfloat *value);
+ bool setUniform1iv(GLint location, GLsizei count, const GLint *v);
+ bool setUniform2iv(GLint location, GLsizei count, const GLint *v);
+ bool setUniform3iv(GLint location, GLsizei count, const GLint *v);
+ bool setUniform4iv(GLint location, GLsizei count, const GLint *v);
+
+ bool getUniformfv(GLint location, GLsizei *bufSize, GLfloat *params);
+ bool getUniformiv(GLint location, GLsizei *bufSize, GLint *params);
+
+ void dirtyAllUniforms();
+ void applyUniforms();
+
+ void link();
+ bool isLinked();
+ int getInfoLogLength() const;
+ void getInfoLog(GLsizei bufSize, GLsizei *length, char *infoLog);
+ void getAttachedShaders(GLsizei maxCount, GLsizei *count, GLuint *shaders);
+
+ void getActiveAttribute(GLuint index, GLsizei bufsize, GLsizei *length, GLint *size, GLenum *type, GLchar *name);
+ GLint getActiveAttributeCount();
+ GLint getActiveAttributeMaxLength();
+
+ void getActiveUniform(GLuint index, GLsizei bufsize, GLsizei *length, GLint *size, GLenum *type, GLchar *name);
+ GLint getActiveUniformCount();
+ GLint getActiveUniformMaxLength();
+
+ void addRef();
+ void release();
+ unsigned int getRefCount() const;
+ void flagForDeletion();
+ bool isFlaggedForDeletion() const;
+
+ void validate();
+ bool validateSamplers(bool logErrors);
+ bool isValidated() const;
+
+ unsigned int getSerial() const;
+
+ private:
+ void unlink();
+
+ int packVaryings(const Varying *packing[][4]);
+ bool linkVaryings();
+
+ bool linkAttributes();
+ int getAttributeBinding(const std::string &name);
+
+ bool linkUniforms(Shader *shader);
+ bool defineUniform(GLenum shader, GLenum type, const std::string &_name, unsigned int arraySize, int registerIndex);
+ bool applyUniform1bv(GLint location, GLsizei count, const GLboolean *v);
+ bool applyUniform2bv(GLint location, GLsizei count, const GLboolean *v);
+ bool applyUniform3bv(GLint location, GLsizei count, const GLboolean *v);
+ bool applyUniform4bv(GLint location, GLsizei count, const GLboolean *v);
+ bool applyUniform1fv(GLint location, GLsizei count, const GLfloat *v);
+ bool applyUniform2fv(GLint location, GLsizei count, const GLfloat *v);
+ bool applyUniform3fv(GLint location, GLsizei count, const GLfloat *v);
+ bool applyUniform4fv(GLint location, GLsizei count, const GLfloat *v);
+ bool applyUniformMatrix2fv(GLint location, GLsizei count, const GLfloat *value);
+ bool applyUniformMatrix3fv(GLint location, GLsizei count, const GLfloat *value);
+ bool applyUniformMatrix4fv(GLint location, GLsizei count, const GLfloat *value);
+ bool applyUniform1iv(GLint location, GLsizei count, const GLint *v);
+ bool applyUniform2iv(GLint location, GLsizei count, const GLint *v);
+ bool applyUniform3iv(GLint location, GLsizei count, const GLint *v);
+ bool applyUniform4iv(GLint location, GLsizei count, const GLint *v);
+
+ void appendToInfoLog(const char *info, ...);
+ void resetInfoLog();
+
+ static unsigned int issueSerial();
+
+ private:
+ gl::Device *device;
+ FragmentShader *fragmentShader;
+ VertexShader *vertexShader;
+
+ sw::PixelShader *pixelBinary;
+ sw::VertexShader *vertexBinary;
+
+ std::set<std::string> attributeBinding[MAX_VERTEX_ATTRIBS];
+ sh::Attribute linkedAttribute[MAX_VERTEX_ATTRIBS];
+ int attributeStream[MAX_VERTEX_ATTRIBS];
+
+ struct Sampler
+ {
+ bool active;
+ GLint logicalTextureUnit;
+ TextureType textureType;
+ };
+
+ Sampler samplersPS[MAX_TEXTURE_IMAGE_UNITS];
+ Sampler samplersVS[MAX_VERTEX_TEXTURE_IMAGE_UNITS];
+
+ typedef std::vector<Uniform*> UniformArray;
+ UniformArray uniforms;
+ typedef std::vector<UniformLocation> UniformIndex;
+ UniformIndex uniformIndex;
+
+ bool linked;
+ bool orphaned; // Flag to indicate that the program can be deleted when no longer in use
+ char *infoLog;
+ bool validated;
+
+ unsigned int referenceCount;
+ const unsigned int serial;
+
+ static unsigned int currentSerial;
+
+ ResourceManager *resourceManager;
+ const GLuint handle;
+ };
+}
+
+#endif // LIBGLESV2_PROGRAM_H_
diff --git a/src/GLES2/libGLESv2/Query.cpp b/src/GLES2/libGLESv2/Query.cpp
new file mode 100644
index 0000000..8e69d70
--- /dev/null
+++ b/src/GLES2/libGLESv2/Query.cpp
@@ -0,0 +1,127 @@
+// SwiftShader Software Renderer
+//
+// Copyright(c) 2005-2012 TransGaming Inc.
+//
+// All rights reserved. No part of this software may be copied, distributed, transmitted,
+// transcribed, stored in a retrieval system, translated into any human or computer
+// language by any means, or disclosed to third parties without the explicit written
+// agreement of TransGaming Inc. Without such an agreement, no rights or licenses, express
+// or implied, including but not limited to any patent rights, are granted to you.
+//
+
+// Query.cpp: Implements the gl::Query class
+
+#include "Query.h"
+
+#include "main.h"
+#include "Common/Thread.hpp"
+
+namespace gl
+{
+
+Query::Query(GLuint id, GLenum type) : RefCountObject(id)
+{
+ mQuery = NULL;
+ mStatus = GL_FALSE;
+ mResult = GL_FALSE;
+ mType = type;
+}
+
+Query::~Query()
+{
+ if(mQuery != NULL)
+ {
+ delete mQuery;
+ }
+}
+
+void Query::begin()
+{
+ if(mQuery == NULL)
+ {
+ mQuery = new sw::Query();
+
+ if(!mQuery)
+ {
+ return error(GL_OUT_OF_MEMORY);
+ }
+ }
+
+ Device *device = getDevice();
+
+ mQuery->begin();
+ device->addQuery(mQuery);
+ device->setOcclusionEnabled(true);
+}
+
+void Query::end()
+{
+ if(mQuery == NULL)
+ {
+ return error(GL_INVALID_OPERATION);
+ }
+
+ Device *device = getDevice();
+
+ mQuery->end();
+ device->removeQuery(mQuery);
+ device->setOcclusionEnabled(false);
+
+ mStatus = GL_FALSE;
+ mResult = GL_FALSE;
+}
+
+GLuint Query::getResult()
+{
+ if(mQuery != NULL)
+ {
+ while(!testQuery())
+ {
+ sw::Thread::yield();
+ }
+ }
+
+ return (GLuint)mResult;
+}
+
+GLboolean Query::isResultAvailable()
+{
+ if(mQuery != NULL)
+ {
+ testQuery();
+ }
+
+ return mStatus;
+}
+
+GLenum Query::getType() const
+{
+ return mType;
+}
+
+GLboolean Query::testQuery()
+{
+ if(mQuery != NULL && mStatus != GL_TRUE)
+ {
+ if(!mQuery->building && mQuery->reference == 0)
+ {
+ unsigned int numPixels = mQuery->data;
+ mStatus = GL_TRUE;
+
+ switch(mType)
+ {
+ case GL_ANY_SAMPLES_PASSED_EXT:
+ case GL_ANY_SAMPLES_PASSED_CONSERVATIVE_EXT:
+ mResult = (numPixels > 0) ? GL_TRUE : GL_FALSE;
+ break;
+ default:
+ ASSERT(false);
+ }
+ }
+
+ return mStatus;
+ }
+
+ return GL_TRUE; // Prevent blocking when query is null
+}
+}
diff --git a/src/GLES2/libGLESv2/Query.h b/src/GLES2/libGLESv2/Query.h
new file mode 100644
index 0000000..a80456e
--- /dev/null
+++ b/src/GLES2/libGLESv2/Query.h
@@ -0,0 +1,50 @@
+// SwiftShader Software Renderer
+//
+// Copyright(c) 2005-2012 TransGaming Inc.
+//
+// All rights reserved. No part of this software may be copied, distributed, transmitted,
+// transcribed, stored in a retrieval system, translated into any human or computer
+// language by any means, or disclosed to third parties without the explicit written
+// agreement of TransGaming Inc. Without such an agreement, no rights or licenses, express
+// or implied, including but not limited to any patent rights, are granted to you.
+//
+
+// Query.h: Defines the gl::Query class
+
+#ifndef LIBGLESV2_QUERY_H_
+#define LIBGLESV2_QUERY_H_
+
+#include "RefCountObject.h"
+#include "Renderer/Renderer.hpp"
+
+#define GL_APICALL
+#include <GLES2/gl2.h>
+
+namespace gl
+{
+
+class Query : public RefCountObject
+{
+ public:
+ Query(GLuint id, GLenum type);
+ virtual ~Query();
+
+ void begin();
+ void end();
+ GLuint getResult();
+ GLboolean isResultAvailable();
+
+ GLenum getType() const;
+
+ private:
+ GLboolean testQuery();
+
+ sw::Query* mQuery;
+ GLenum mType;
+ GLboolean mStatus;
+ GLint mResult;
+};
+
+}
+
+#endif // LIBGLESV2_QUERY_H_
diff --git a/src/GLES2/libGLESv2/RefCountObject.cpp b/src/GLES2/libGLESv2/RefCountObject.cpp
new file mode 100644
index 0000000..b470ab2
--- /dev/null
+++ b/src/GLES2/libGLESv2/RefCountObject.cpp
@@ -0,0 +1,65 @@
+// SwiftShader Software Renderer
+//
+// Copyright(c) 2005-2012 TransGaming Inc.
+//
+// All rights reserved. No part of this software may be copied, distributed, transmitted,
+// transcribed, stored in a retrieval system, translated into any human or computer
+// language by any means, or disclosed to third parties without the explicit written
+// agreement of TransGaming Inc. Without such an agreement, no rights or licenses, express
+// or implied, including but not limited to any patent rights, are granted to you.
+//
+
+// RefCountObject.cpp: Defines the RefCountObject base class that provides
+// lifecycle support for GL objects using the traditional BindObject scheme, but
+// that need to be reference counted for correct cross-context deletion.
+// (Concretely, textures, buffers and renderbuffers.)
+
+#include "RefCountObject.h"
+
+#include "Common/Thread.hpp"
+
+namespace gl
+{
+
+RefCountObject::RefCountObject(GLuint id)
+{
+ mId = id;
+
+ referenceCount = 0;
+}
+
+RefCountObject::~RefCountObject()
+{
+ ASSERT(referenceCount == 0);
+}
+
+void RefCountObject::addRef()
+{
+ sw::atomicIncrement(&referenceCount);
+}
+
+void RefCountObject::release()
+{
+ ASSERT(referenceCount > 0);
+
+ if(referenceCount > 0)
+ {
+ sw::atomicDecrement(&referenceCount);
+ }
+
+ if(referenceCount == 0)
+ {
+ delete this;
+ }
+}
+
+void RefCountObjectBindingPointer::set(RefCountObject *newObject)
+{
+ // addRef first in case newObject == mObject and this is the last reference to it.
+ if(newObject != NULL) newObject->addRef();
+ if(mObject != NULL) mObject->release();
+
+ mObject = newObject;
+}
+
+}
diff --git a/src/GLES2/libGLESv2/RefCountObject.h b/src/GLES2/libGLESv2/RefCountObject.h
new file mode 100644
index 0000000..a9a11e0
--- /dev/null
+++ b/src/GLES2/libGLESv2/RefCountObject.h
@@ -0,0 +1,75 @@
+// SwiftShader Software Renderer
+//
+// Copyright(c) 2005-2012 TransGaming Inc.
+//
+// All rights reserved. No part of this software may be copied, distributed, transmitted,
+// transcribed, stored in a retrieval system, translated into any human or computer
+// language by any means, or disclosed to third parties without the explicit written
+// agreement of TransGaming Inc. Without such an agreement, no rights or licenses, express
+// or implied, including but not limited to any patent rights, are granted to you.
+//
+
+// RefCountObject.h: Defines the RefCountObject base class that provides
+// lifecycle support for GL objects using the traditional BindObject scheme, but
+// that need to be reference counted for correct cross-context deletion.
+// (Concretely, textures, buffers and renderbuffers.)
+
+#ifndef LIBGLESV2_REFCOUNTOBJECT_H_
+#define LIBGLESV2_REFCOUNTOBJECT_H_
+
+#include "common/debug.h"
+
+#define GL_APICALL
+#include <GLES2/gl2.h>
+
+#include <cstddef>
+
+namespace gl
+{
+
+class RefCountObject
+{
+ public:
+ explicit RefCountObject(GLuint id);
+ virtual ~RefCountObject();
+
+ virtual void addRef();
+ virtual void release();
+
+ GLuint id() const {return mId;}
+
+ private:
+ GLuint mId;
+
+ volatile int referenceCount;
+};
+
+class RefCountObjectBindingPointer
+{
+ protected:
+ RefCountObjectBindingPointer() : mObject(NULL) { }
+ ~RefCountObjectBindingPointer() { ASSERT(mObject == NULL); } // Objects have to be released before the resource manager is destroyed, so they must be explicitly cleaned up.
+
+ void set(RefCountObject *newObject);
+ RefCountObject *get() const { return mObject; }
+
+ public:
+ GLuint id() const { return (mObject != NULL) ? mObject->id() : 0; }
+ bool operator ! () const { return (get() == NULL); }
+
+ private:
+ RefCountObject *mObject;
+};
+
+template<class ObjectType>
+class BindingPointer : public RefCountObjectBindingPointer
+{
+ public:
+ void set(ObjectType *newObject) { RefCountObjectBindingPointer::set(newObject); }
+ ObjectType *get() const { return static_cast<ObjectType*>(RefCountObjectBindingPointer::get()); }
+ ObjectType *operator -> () const { return get(); }
+};
+
+}
+
+#endif // LIBGLESV2_REFCOUNTOBJECT_H_
diff --git a/src/GLES2/libGLESv2/Renderbuffer.cpp b/src/GLES2/libGLESv2/Renderbuffer.cpp
new file mode 100644
index 0000000..133b592
--- /dev/null
+++ b/src/GLES2/libGLESv2/Renderbuffer.cpp
@@ -0,0 +1,506 @@
+// SwiftShader Software Renderer
+//
+// Copyright(c) 2005-2013 TransGaming Inc.
+//
+// All rights reserved. No part of this software may be copied, distributed, transmitted,
+// transcribed, stored in a retrieval system, translated into any human or computer
+// language by any means, or disclosed to third parties without the explicit written
+// agreement of TransGaming Inc. Without such an agreement, no rights or licenses, express
+// or implied, including but not limited to any patent rights, are granted to you.
+//
+
+// Renderbuffer.cpp: the Renderbuffer class and its derived classes
+// Colorbuffer, Depthbuffer and Stencilbuffer. Implements GL renderbuffer
+// objects and related functionality. [OpenGL ES 2.0.24] section 4.4.3 page 108.
+
+#include "Renderbuffer.h"
+
+#include "main.h"
+#include "Texture.h"
+#include "utilities.h"
+
+namespace gl
+{
+RenderbufferInterface::RenderbufferInterface()
+{
+}
+
+// The default case for classes inherited from RenderbufferInterface is not to
+// need to do anything upon the reference count to the parent Renderbuffer incrementing
+// or decrementing.
+void RenderbufferInterface::addProxyRef(const Renderbuffer *proxy)
+{
+}
+
+void RenderbufferInterface::releaseProxy(const Renderbuffer *proxy)
+{
+}
+
+GLuint RenderbufferInterface::getRedSize() const
+{
+ return sw2es::GetRedSize(getInternalFormat());
+}
+
+GLuint RenderbufferInterface::getGreenSize() const
+{
+ return sw2es::GetGreenSize(getInternalFormat());
+}
+
+GLuint RenderbufferInterface::getBlueSize() const
+{
+ return sw2es::GetBlueSize(getInternalFormat());
+}
+
+GLuint RenderbufferInterface::getAlphaSize() const
+{
+ return sw2es::GetAlphaSize(getInternalFormat());
+}
+
+GLuint RenderbufferInterface::getDepthSize() const
+{
+ return sw2es::GetDepthSize(getInternalFormat());
+}
+
+GLuint RenderbufferInterface::getStencilSize() const
+{
+ return sw2es::GetStencilSize(getInternalFormat());
+}
+
+///// RenderbufferTexture2D Implementation ////////
+
+RenderbufferTexture2D::RenderbufferTexture2D(Texture2D *texture)
+{
+ mTexture2D.set(texture);
+}
+
+RenderbufferTexture2D::~RenderbufferTexture2D()
+{
+ mTexture2D.set(NULL);
+}
+
+// Textures need to maintain their own reference count for references via
+// Renderbuffers acting as proxies. Here, we notify the texture of a reference.
+void RenderbufferTexture2D::addProxyRef(const Renderbuffer *proxy)
+{
+ mTexture2D->addProxyRef(proxy);
+}
+
+void RenderbufferTexture2D::releaseProxy(const Renderbuffer *proxy)
+{
+ mTexture2D->releaseProxy(proxy);
+}
+
+// Increments refcount on surface.
+// caller must release() the returned surface
+Image *RenderbufferTexture2D::getRenderTarget()
+{
+ return mTexture2D->getRenderTarget(GL_TEXTURE_2D);
+}
+
+GLsizei RenderbufferTexture2D::getWidth() const
+{
+ return mTexture2D->getWidth(GL_TEXTURE_2D, 0);
+}
+
+GLsizei RenderbufferTexture2D::getHeight() const
+{
+ return mTexture2D->getHeight(GL_TEXTURE_2D, 0);
+}
+
+GLenum RenderbufferTexture2D::getFormat() const
+{
+ return mTexture2D->getFormat(GL_TEXTURE_2D, 0);
+}
+
+sw::Format RenderbufferTexture2D::getInternalFormat() const
+{
+ return mTexture2D->getInternalFormat(GL_TEXTURE_2D, 0);
+}
+
+GLsizei RenderbufferTexture2D::getSamples() const
+{
+ return 0;
+}
+
+///// RenderbufferTextureCubeMap Implementation ////////
+
+RenderbufferTextureCubeMap::RenderbufferTextureCubeMap(TextureCubeMap *texture, GLenum target) : mTarget(target)
+{
+ mTextureCubeMap.set(texture);
+}
+
+RenderbufferTextureCubeMap::~RenderbufferTextureCubeMap()
+{
+ mTextureCubeMap.set(NULL);
+}
+
+// Textures need to maintain their own reference count for references via
+// Renderbuffers acting as proxies. Here, we notify the texture of a reference.
+void RenderbufferTextureCubeMap::addProxyRef(const Renderbuffer *proxy)
+{
+ mTextureCubeMap->addProxyRef(proxy);
+}
+
+void RenderbufferTextureCubeMap::releaseProxy(const Renderbuffer *proxy)
+{
+ mTextureCubeMap->releaseProxy(proxy);
+}
+
+// Increments refcount on surface.
+// caller must release() the returned surface
+Image *RenderbufferTextureCubeMap::getRenderTarget()
+{
+ return mTextureCubeMap->getRenderTarget(mTarget);
+}
+
+GLsizei RenderbufferTextureCubeMap::getWidth() const
+{
+ return mTextureCubeMap->getWidth(mTarget, 0);
+}
+
+GLsizei RenderbufferTextureCubeMap::getHeight() const
+{
+ return mTextureCubeMap->getHeight(mTarget, 0);
+}
+
+GLenum RenderbufferTextureCubeMap::getFormat() const
+{
+ return mTextureCubeMap->getFormat(mTarget, 0);
+}
+
+sw::Format RenderbufferTextureCubeMap::getInternalFormat() const
+{
+ return mTextureCubeMap->getInternalFormat(mTarget, 0);
+}
+
+GLsizei RenderbufferTextureCubeMap::getSamples() const
+{
+ return 0;
+}
+
+////// Renderbuffer Implementation //////
+
+Renderbuffer::Renderbuffer(GLuint id, RenderbufferInterface *instance) : RefCountObject(id)
+{
+ ASSERT(instance != NULL);
+ mInstance = instance;
+}
+
+Renderbuffer::~Renderbuffer()
+{
+ delete mInstance;
+}
+
+// The RenderbufferInterface contained in this Renderbuffer may need to maintain
+// its own reference count, so we pass it on here.
+void Renderbuffer::addRef()
+{
+ mInstance->addProxyRef(this);
+
+ RefCountObject::addRef();
+}
+
+void Renderbuffer::release()
+{
+ mInstance->releaseProxy(this);
+
+ RefCountObject::release();
+}
+
+// Increments refcount on surface.
+// caller must Release() the returned surface
+Image *Renderbuffer::getRenderTarget()
+{
+ return mInstance->getRenderTarget();
+}
+
+GLsizei Renderbuffer::getWidth() const
+{
+ return mInstance->getWidth();
+}
+
+GLsizei Renderbuffer::getHeight() const
+{
+ return mInstance->getHeight();
+}
+
+GLenum Renderbuffer::getFormat() const
+{
+ return mInstance->getFormat();
+}
+
+sw::Format Renderbuffer::getInternalFormat() const
+{
+ return mInstance->getInternalFormat();
+}
+
+GLuint Renderbuffer::getRedSize() const
+{
+ return mInstance->getRedSize();
+}
+
+GLuint Renderbuffer::getGreenSize() const
+{
+ return mInstance->getGreenSize();
+}
+
+GLuint Renderbuffer::getBlueSize() const
+{
+ return mInstance->getBlueSize();
+}
+
+GLuint Renderbuffer::getAlphaSize() const
+{
+ return mInstance->getAlphaSize();
+}
+
+GLuint Renderbuffer::getDepthSize() const
+{
+ return mInstance->getDepthSize();
+}
+
+GLuint Renderbuffer::getStencilSize() const
+{
+ return mInstance->getStencilSize();
+}
+
+GLsizei Renderbuffer::getSamples() const
+{
+ return mInstance->getSamples();
+}
+
+void Renderbuffer::setStorage(RenderbufferStorage *newStorage)
+{
+ ASSERT(newStorage != NULL);
+
+ delete mInstance;
+ mInstance = newStorage;
+}
+
+RenderbufferStorage::RenderbufferStorage()
+{
+ mWidth = 0;
+ mHeight = 0;
+ format = GL_RGBA4;
+ internalFormat = sw::FORMAT_A8R8G8B8;
+ mSamples = 0;
+}
+
+RenderbufferStorage::~RenderbufferStorage()
+{
+}
+
+// Increments refcount on surface.
+// caller must Release() the returned surface
+Image *RenderbufferStorage::getRenderTarget()
+{
+ return NULL;
+}
+
+GLsizei RenderbufferStorage::getWidth() const
+{
+ return mWidth;
+}
+
+GLsizei RenderbufferStorage::getHeight() const
+{
+ return mHeight;
+}
+
+GLenum RenderbufferStorage::getFormat() const
+{
+ return format;
+}
+
+sw::Format RenderbufferStorage::getInternalFormat() const
+{
+ return internalFormat;
+}
+
+GLsizei RenderbufferStorage::getSamples() const
+{
+ return mSamples;
+}
+
+Colorbuffer::Colorbuffer(Image *renderTarget) : mRenderTarget(renderTarget)
+{
+ if(renderTarget)
+ {
+ renderTarget->addRef();
+
+ mWidth = renderTarget->getWidth();
+ mHeight = renderTarget->getHeight();
+ internalFormat = renderTarget->getInternalFormat();
+ format = sw2es::ConvertBackBufferFormat(internalFormat);
+ mSamples = renderTarget->getMultiSampleDepth();
+ }
+}
+
+Colorbuffer::Colorbuffer(int width, int height, GLenum format, GLsizei samples) : mRenderTarget(NULL)
+{
+ Device *device = getDevice();
+
+ sw::Format requestedFormat = es2sw::ConvertRenderbufferFormat(format);
+ int supportedSamples = getContext()->getNearestSupportedSamples(requestedFormat, samples);
+
+ if(supportedSamples == -1)
+ {
+ error(GL_OUT_OF_MEMORY);
+
+ return;
+ }
+
+ if(width > 0 && height > 0)
+ {
+ mRenderTarget = device->createRenderTarget(width, height, requestedFormat, supportedSamples, false);
+
+ if(!mRenderTarget)
+ {
+ error(GL_OUT_OF_MEMORY);
+ return;
+ }
+ }
+
+ mWidth = width;
+ mHeight = height;
+ this->format = format;
+ internalFormat = requestedFormat;
+ mSamples = supportedSamples;
+}
+
+Colorbuffer::~Colorbuffer()
+{
+ if(mRenderTarget)
+ {
+ mRenderTarget->release();
+ }
+}
+
+// Increments refcount on surface.
+// caller must release() the returned surface
+Image *Colorbuffer::getRenderTarget()
+{
+ if(mRenderTarget)
+ {
+ mRenderTarget->addRef();
+ }
+
+ return mRenderTarget;
+}
+
+DepthStencilbuffer::DepthStencilbuffer(Image *depthStencil) : mDepthStencil(depthStencil)
+{
+ if(depthStencil)
+ {
+ depthStencil->addRef();
+
+ mWidth = depthStencil->getWidth();
+ mHeight = depthStencil->getHeight();
+ internalFormat = depthStencil->getInternalFormat();
+ format = sw2es::ConvertDepthStencilFormat(internalFormat);
+ mSamples = depthStencil->getMultiSampleDepth();
+ }
+}
+
+DepthStencilbuffer::DepthStencilbuffer(int width, int height, GLsizei samples)
+{
+ Device *device = getDevice();
+
+ mDepthStencil = NULL;
+
+ int supportedSamples = getContext()->getNearestSupportedSamples(sw::FORMAT_D24S8, samples);
+
+ if(supportedSamples == -1)
+ {
+ error(GL_OUT_OF_MEMORY);
+
+ return;
+ }
+
+ if(width > 0 && height > 0)
+ {
+ mDepthStencil = device->createDepthStencilSurface(width, height, sw::FORMAT_D24S8, supportedSamples, false);
+
+ if(!mDepthStencil)
+ {
+ error(GL_OUT_OF_MEMORY);
+ return;
+ }
+ }
+
+ mWidth = width;
+ mHeight = height;
+ format = GL_DEPTH24_STENCIL8_OES;
+ internalFormat = sw::FORMAT_D24S8;
+ mSamples = supportedSamples;
+}
+
+DepthStencilbuffer::~DepthStencilbuffer()
+{
+ if(mDepthStencil)
+ {
+ mDepthStencil->release();
+ }
+}
+
+// Increments refcount on surface.
+// caller must release() the returned surface
+Image *DepthStencilbuffer::getRenderTarget()
+{
+ if(mDepthStencil)
+ {
+ mDepthStencil->addRef();
+ }
+
+ return mDepthStencil;
+}
+
+Depthbuffer::Depthbuffer(Image *depthStencil) : DepthStencilbuffer(depthStencil)
+{
+ if(depthStencil)
+ {
+ format = GL_DEPTH_COMPONENT16; // If the renderbuffer parameters are queried, the calling function
+ // will expect one of the valid renderbuffer formats for use in
+ // glRenderbufferStorage
+ }
+}
+
+Depthbuffer::Depthbuffer(int width, int height, GLsizei samples) : DepthStencilbuffer(width, height, samples)
+{
+ if(mDepthStencil)
+ {
+ format = GL_DEPTH_COMPONENT16; // If the renderbuffer parameters are queried, the calling function
+ // will expect one of the valid renderbuffer formats for use in
+ // glRenderbufferStorage
+ }
+}
+
+Depthbuffer::~Depthbuffer()
+{
+}
+
+Stencilbuffer::Stencilbuffer(Image *depthStencil) : DepthStencilbuffer(depthStencil)
+{
+ if(depthStencil)
+ {
+ format = GL_STENCIL_INDEX8; // If the renderbuffer parameters are queried, the calling function
+ // will expect one of the valid renderbuffer formats for use in
+ // glRenderbufferStorage
+ }
+}
+
+Stencilbuffer::Stencilbuffer(int width, int height, GLsizei samples) : DepthStencilbuffer(width, height, samples)
+{
+ if(mDepthStencil)
+ {
+ format = GL_STENCIL_INDEX8; // If the renderbuffer parameters are queried, the calling function
+ // will expect one of the valid renderbuffer formats for use in
+ // glRenderbufferStorage
+ }
+}
+
+Stencilbuffer::~Stencilbuffer()
+{
+}
+
+}
diff --git a/src/GLES2/libGLESv2/Renderbuffer.h b/src/GLES2/libGLESv2/Renderbuffer.h
new file mode 100644
index 0000000..f5e1704
--- /dev/null
+++ b/src/GLES2/libGLESv2/Renderbuffer.h
@@ -0,0 +1,215 @@
+// SwiftShader Software Renderer
+//
+// Copyright(c) 2005-2013 TransGaming Inc.
+//
+// All rights reserved. No part of this software may be copied, distributed, transmitted,
+// transcribed, stored in a retrieval system, translated into any human or computer
+// language by any means, or disclosed to third parties without the explicit written
+// agreement of TransGaming Inc. Without such an agreement, no rights or licenses, express
+// or implied, including but not limited to any patent rights, are granted to you.
+//
+
+// Renderbuffer.h: Defines the wrapper class Renderbuffer, as well as the
+// class hierarchy used to store its contents: RenderbufferStorage, Colorbuffer,
+// DepthStencilbuffer, Depthbuffer and Stencilbuffer. Implements GL renderbuffer
+// objects and related functionality. [OpenGL ES 2.0.24] section 4.4.3 page 108.
+
+#ifndef LIBGLESV2_RENDERBUFFER_H_
+#define LIBGLESV2_RENDERBUFFER_H_
+
+#include "RefCountObject.h"
+#include "Image.hpp"
+
+#define GL_APICALL
+#include <GLES2/gl2.h>
+
+namespace gl
+{
+class Texture2D;
+class TextureCubeMap;
+class Renderbuffer;
+class Colorbuffer;
+class DepthStencilbuffer;
+
+class RenderbufferInterface
+{
+public:
+ RenderbufferInterface();
+
+ virtual ~RenderbufferInterface() {};
+
+ virtual void addProxyRef(const Renderbuffer *proxy);
+ virtual void releaseProxy(const Renderbuffer *proxy);
+
+ virtual Image *getRenderTarget() = 0;
+
+ virtual GLsizei getWidth() const = 0;
+ virtual GLsizei getHeight() const = 0;
+ virtual GLenum getFormat() const = 0;
+ virtual sw::Format getInternalFormat() const = 0;
+ virtual GLsizei getSamples() const = 0;
+
+ GLuint getRedSize() const;
+ GLuint getGreenSize() const;
+ GLuint getBlueSize() const;
+ GLuint getAlphaSize() const;
+ GLuint getDepthSize() const;
+ GLuint getStencilSize() const;
+};
+
+class RenderbufferTexture2D : public RenderbufferInterface
+{
+public:
+ RenderbufferTexture2D(Texture2D *texture);
+
+ virtual ~RenderbufferTexture2D();
+
+ virtual void addProxyRef(const Renderbuffer *proxy);
+ virtual void releaseProxy(const Renderbuffer *proxy);
+
+ Image *getRenderTarget();
+
+ virtual GLsizei getWidth() const;
+ virtual GLsizei getHeight() const;
+ virtual GLenum getFormat() const;
+ virtual sw::Format getInternalFormat() const;
+ virtual GLsizei getSamples() const;
+
+private:
+ BindingPointer<Texture2D> mTexture2D;
+};
+
+class RenderbufferTextureCubeMap : public RenderbufferInterface
+{
+public:
+ RenderbufferTextureCubeMap(TextureCubeMap *texture, GLenum target);
+
+ virtual ~RenderbufferTextureCubeMap();
+
+ virtual void addProxyRef(const Renderbuffer *proxy);
+ virtual void releaseProxy(const Renderbuffer *proxy);
+
+ Image *getRenderTarget();
+
+ virtual GLsizei getWidth() const;
+ virtual GLsizei getHeight() const;
+ virtual GLenum getFormat() const;
+ virtual sw::Format getInternalFormat() const;
+ virtual GLsizei getSamples() const;
+
+private:
+ BindingPointer<TextureCubeMap> mTextureCubeMap;
+ GLenum mTarget;
+};
+
+// A class derived from RenderbufferStorage is created whenever glRenderbufferStorage
+// is called. The specific concrete type depends on whether the internal format is
+// colour depth, stencil or packed depth/stencil.
+class RenderbufferStorage : public RenderbufferInterface
+{
+public:
+ RenderbufferStorage();
+
+ virtual ~RenderbufferStorage() = 0;
+
+ virtual Image *getRenderTarget();
+
+ virtual GLsizei getWidth() const;
+ virtual GLsizei getHeight() const;
+ virtual GLenum getFormat() const;
+ virtual sw::Format getInternalFormat() const;
+ virtual GLsizei getSamples() const;
+
+protected:
+ GLsizei mWidth;
+ GLsizei mHeight;
+ GLenum format;
+ sw::Format internalFormat;
+ GLsizei mSamples;
+};
+
+// Renderbuffer implements the GL renderbuffer object.
+// It's only a proxy for a RenderbufferInterface instance; the internal object
+// can change whenever glRenderbufferStorage is called.
+class Renderbuffer : public RefCountObject
+{
+public:
+ Renderbuffer(GLuint id, RenderbufferInterface *storage);
+
+ virtual ~Renderbuffer();
+
+ // These functions from RefCountObject are overloaded here because
+ // Textures need to maintain their own count of references to them via
+ // Renderbuffers/RenderbufferTextures. These functions invoke those
+ // reference counting functions on the RenderbufferInterface.
+ virtual void addRef();
+ virtual void release();
+
+ Image *getRenderTarget();
+
+ GLsizei getWidth() const;
+ GLsizei getHeight() const;
+ GLenum getFormat() const;
+ sw::Format getInternalFormat() const;
+ GLuint getRedSize() const;
+ GLuint getGreenSize() const;
+ GLuint getBlueSize() const;
+ GLuint getAlphaSize() const;
+ GLuint getDepthSize() const;
+ GLuint getStencilSize() const;
+ GLsizei getSamples() const;
+
+ void setStorage(RenderbufferStorage *newStorage);
+
+private:
+ RenderbufferInterface *mInstance;
+};
+
+class Colorbuffer : public RenderbufferStorage
+{
+public:
+ explicit Colorbuffer(Image *renderTarget);
+ Colorbuffer(GLsizei width, GLsizei height, GLenum format, GLsizei samples);
+
+ virtual ~Colorbuffer();
+
+ virtual Image *getRenderTarget();
+
+private:
+ Image *mRenderTarget;
+};
+
+class DepthStencilbuffer : public RenderbufferStorage
+{
+public:
+ explicit DepthStencilbuffer(Image *depthStencil);
+ DepthStencilbuffer(GLsizei width, GLsizei height, GLsizei samples);
+
+ ~DepthStencilbuffer();
+
+ virtual Image *getRenderTarget();
+
+protected:
+ Image *mDepthStencil;
+};
+
+class Depthbuffer : public DepthStencilbuffer
+{
+public:
+ explicit Depthbuffer(Image *depthStencil);
+ Depthbuffer(GLsizei width, GLsizei height, GLsizei samples);
+
+ virtual ~Depthbuffer();
+};
+
+class Stencilbuffer : public DepthStencilbuffer
+{
+public:
+ explicit Stencilbuffer(Image *depthStencil);
+ Stencilbuffer(GLsizei width, GLsizei height, GLsizei samples);
+
+ virtual ~Stencilbuffer();
+};
+}
+
+#endif // LIBGLESV2_RENDERBUFFER_H_
diff --git a/src/GLES2/libGLESv2/ResourceManager.cpp b/src/GLES2/libGLESv2/ResourceManager.cpp
new file mode 100644
index 0000000..522257f
--- /dev/null
+++ b/src/GLES2/libGLESv2/ResourceManager.cpp
@@ -0,0 +1,325 @@
+// SwiftShader Software Renderer
+//
+// Copyright(c) 2005-2012 TransGaming Inc.
+//
+// All rights reserved. No part of this software may be copied, distributed, transmitted,
+// transcribed, stored in a retrieval system, translated into any human or computer
+// language by any means, or disclosed to third parties without the explicit written
+// agreement of TransGaming Inc. Without such an agreement, no rights or licenses, express
+// or implied, including but not limited to any patent rights, are granted to you.
+//
+
+// ResourceManager.cpp: Implements the ResourceManager class, which tracks and
+// retrieves objects which may be shared by multiple Contexts.
+
+#include "ResourceManager.h"
+
+#include "Buffer.h"
+#include "Program.h"
+#include "Renderbuffer.h"
+#include "Shader.h"
+#include "Texture.h"
+
+namespace gl
+{
+ResourceManager::ResourceManager()
+{
+ mRefCount = 1;
+}
+
+ResourceManager::~ResourceManager()
+{
+ while(!mBufferMap.empty())
+ {
+ deleteBuffer(mBufferMap.begin()->first);
+ }
+
+ while(!mProgramMap.empty())
+ {
+ deleteProgram(mProgramMap.begin()->first);
+ }
+
+ while(!mShaderMap.empty())
+ {
+ deleteShader(mShaderMap.begin()->first);
+ }
+
+ while(!mRenderbufferMap.empty())
+ {
+ deleteRenderbuffer(mRenderbufferMap.begin()->first);
+ }
+
+ while(!mTextureMap.empty())
+ {
+ deleteTexture(mTextureMap.begin()->first);
+ }
+}
+
+void ResourceManager::addRef()
+{
+ mRefCount++;
+}
+
+void ResourceManager::release()
+{
+ if(--mRefCount == 0)
+ {
+ delete this;
+ }
+}
+
+// Returns an unused buffer name
+GLuint ResourceManager::createBuffer()
+{
+ GLuint handle = mBufferHandleAllocator.allocate();
+
+ mBufferMap[handle] = NULL;
+
+ return handle;
+}
+
+// Returns an unused shader/program name
+GLuint ResourceManager::createShader(GLenum type)
+{
+ GLuint handle = mProgramShaderHandleAllocator.allocate();
+
+ if(type == GL_VERTEX_SHADER)
+ {
+ mShaderMap[handle] = new VertexShader(this, handle);
+ }
+ else if(type == GL_FRAGMENT_SHADER)
+ {
+ mShaderMap[handle] = new FragmentShader(this, handle);
+ }
+ else UNREACHABLE();
+
+ return handle;
+}
+
+// Returns an unused program/shader name
+GLuint ResourceManager::createProgram()
+{
+ GLuint handle = mProgramShaderHandleAllocator.allocate();
+
+ mProgramMap[handle] = new Program(this, handle);
+
+ return handle;
+}
+
+// Returns an unused texture name
+GLuint ResourceManager::createTexture()
+{
+ GLuint handle = mTextureHandleAllocator.allocate();
+
+ mTextureMap[handle] = NULL;
+
+ return handle;
+}
+
+// Returns an unused renderbuffer name
+GLuint ResourceManager::createRenderbuffer()
+{
+ GLuint handle = mRenderbufferHandleAllocator.allocate();
+
+ mRenderbufferMap[handle] = NULL;
+
+ return handle;
+}
+
+void ResourceManager::deleteBuffer(GLuint buffer)
+{
+ BufferMap::iterator bufferObject = mBufferMap.find(buffer);
+
+ if(bufferObject != mBufferMap.end())
+ {
+ mBufferHandleAllocator.release(bufferObject->first);
+ if(bufferObject->second) bufferObject->second->release();
+ mBufferMap.erase(bufferObject);
+ }
+}
+
+void ResourceManager::deleteShader(GLuint shader)
+{
+ ShaderMap::iterator shaderObject = mShaderMap.find(shader);
+
+ if(shaderObject != mShaderMap.end())
+ {
+ if(shaderObject->second->getRefCount() == 0)
+ {
+ mProgramShaderHandleAllocator.release(shaderObject->first);
+ delete shaderObject->second;
+ mShaderMap.erase(shaderObject);
+ }
+ else
+ {
+ shaderObject->second->flagForDeletion();
+ }
+ }
+}
+
+void ResourceManager::deleteProgram(GLuint program)
+{
+ ProgramMap::iterator programObject = mProgramMap.find(program);
+
+ if(programObject != mProgramMap.end())
+ {
+ if(programObject->second->getRefCount() == 0)
+ {
+ mProgramShaderHandleAllocator.release(programObject->first);
+ delete programObject->second;
+ mProgramMap.erase(programObject);
+ }
+ else
+ {
+ programObject->second->flagForDeletion();
+ }
+ }
+}
+
+void ResourceManager::deleteTexture(GLuint texture)
+{
+ TextureMap::iterator textureObject = mTextureMap.find(texture);
+
+ if(textureObject != mTextureMap.end())
+ {
+ mTextureHandleAllocator.release(textureObject->first);
+ if(textureObject->second) textureObject->second->release();
+ mTextureMap.erase(textureObject);
+ }
+}
+
+void ResourceManager::deleteRenderbuffer(GLuint renderbuffer)
+{
+ RenderbufferMap::iterator renderbufferObject = mRenderbufferMap.find(renderbuffer);
+
+ if(renderbufferObject != mRenderbufferMap.end())
+ {
+ mRenderbufferHandleAllocator.release(renderbufferObject->first);
+ if(renderbufferObject->second) renderbufferObject->second->release();
+ mRenderbufferMap.erase(renderbufferObject);
+ }
+}
+
+Buffer *ResourceManager::getBuffer(unsigned int handle)
+{
+ BufferMap::iterator buffer = mBufferMap.find(handle);
+
+ if(buffer == mBufferMap.end())
+ {
+ return NULL;
+ }
+ else
+ {
+ return buffer->second;
+ }
+}
+
+Shader *ResourceManager::getShader(unsigned int handle)
+{
+ ShaderMap::iterator shader = mShaderMap.find(handle);
+
+ if(shader == mShaderMap.end())
+ {
+ return NULL;
+ }
+ else
+ {
+ return shader->second;
+ }
+}
+
+Texture *ResourceManager::getTexture(unsigned int handle)
+{
+ if(handle == 0) return NULL;
+
+ TextureMap::iterator texture = mTextureMap.find(handle);
+
+ if(texture == mTextureMap.end())
+ {
+ return NULL;
+ }
+ else
+ {
+ return texture->second;
+ }
+}
+
+Program *ResourceManager::getProgram(unsigned int handle)
+{
+ ProgramMap::iterator program = mProgramMap.find(handle);
+
+ if(program == mProgramMap.end())
+ {
+ return NULL;
+ }
+ else
+ {
+ return program->second;
+ }
+}
+
+Renderbuffer *ResourceManager::getRenderbuffer(unsigned int handle)
+{
+ RenderbufferMap::iterator renderbuffer = mRenderbufferMap.find(handle);
+
+ if(renderbuffer == mRenderbufferMap.end())
+ {
+ return NULL;
+ }
+ else
+ {
+ return renderbuffer->second;
+ }
+}
+
+void ResourceManager::setRenderbuffer(GLuint handle, Renderbuffer *buffer)
+{
+ mRenderbufferMap[handle] = buffer;
+}
+
+void ResourceManager::checkBufferAllocation(unsigned int buffer)
+{
+ if(buffer != 0 && !getBuffer(buffer))
+ {
+ Buffer *bufferObject = new Buffer(buffer);
+ mBufferMap[buffer] = bufferObject;
+ bufferObject->addRef();
+ }
+}
+
+void ResourceManager::checkTextureAllocation(GLuint texture, TextureType type)
+{
+ if(!getTexture(texture) && texture != 0)
+ {
+ Texture *textureObject;
+
+ if(type == TEXTURE_2D)
+ {
+ textureObject = new Texture2D(texture);
+ }
+ else if(type == TEXTURE_CUBE)
+ {
+ textureObject = new TextureCubeMap(texture);
+ }
+ else
+ {
+ UNREACHABLE();
+ return;
+ }
+
+ mTextureMap[texture] = textureObject;
+ textureObject->addRef();
+ }
+}
+
+void ResourceManager::checkRenderbufferAllocation(GLuint renderbuffer)
+{
+ if(renderbuffer != 0 && !getRenderbuffer(renderbuffer))
+ {
+ Renderbuffer *renderbufferObject = new Renderbuffer(renderbuffer, new Colorbuffer(0, 0, GL_RGBA4, 0));
+ mRenderbufferMap[renderbuffer] = renderbufferObject;
+ renderbufferObject->addRef();
+ }
+}
+
+}
diff --git a/src/GLES2/libGLESv2/ResourceManager.h b/src/GLES2/libGLESv2/ResourceManager.h
new file mode 100644
index 0000000..6c6031b
--- /dev/null
+++ b/src/GLES2/libGLESv2/ResourceManager.h
@@ -0,0 +1,100 @@
+// SwiftShader Software Renderer
+//
+// Copyright(c) 2005-2012 TransGaming Inc.
+//
+// All rights reserved. No part of this software may be copied, distributed, transmitted,
+// transcribed, stored in a retrieval system, translated into any human or computer
+// language by any means, or disclosed to third parties without the explicit written
+// agreement of TransGaming Inc. Without such an agreement, no rights or licenses, express
+// or implied, including but not limited to any patent rights, are granted to you.
+//
+
+// ResourceManager.h : Defines the ResourceManager class, which tracks objects
+// shared by multiple GL contexts.
+
+#ifndef LIBGLESV2_RESOURCEMANAGER_H_
+#define LIBGLESV2_RESOURCEMANAGER_H_
+
+#include "HandleAllocator.h"
+
+#define GL_APICALL
+#include <GLES2/gl2.h>
+
+#include <map>
+
+namespace gl
+{
+class Buffer;
+class Shader;
+class Program;
+class Texture;
+class Renderbuffer;
+
+enum TextureType
+{
+ TEXTURE_2D,
+ TEXTURE_CUBE,
+
+ TEXTURE_TYPE_COUNT,
+ TEXTURE_UNKNOWN
+};
+
+class ResourceManager
+{
+ public:
+ ResourceManager();
+ ~ResourceManager();
+
+ void addRef();
+ void release();
+
+ GLuint createBuffer();
+ GLuint createShader(GLenum type);
+ GLuint createProgram();
+ GLuint createTexture();
+ GLuint createRenderbuffer();
+
+ void deleteBuffer(GLuint buffer);
+ void deleteShader(GLuint shader);
+ void deleteProgram(GLuint program);
+ void deleteTexture(GLuint texture);
+ void deleteRenderbuffer(GLuint renderbuffer);
+
+ Buffer *getBuffer(GLuint handle);
+ Shader *getShader(GLuint handle);
+ Program *getProgram(GLuint handle);
+ Texture *getTexture(GLuint handle);
+ Renderbuffer *getRenderbuffer(GLuint handle);
+
+ void setRenderbuffer(GLuint handle, Renderbuffer *renderbuffer);
+
+ void checkBufferAllocation(unsigned int buffer);
+ void checkTextureAllocation(GLuint texture, TextureType type);
+ void checkRenderbufferAllocation(GLuint renderbuffer);
+
+ private:
+ std::size_t mRefCount;
+
+ typedef std::map<GLint, Buffer*> BufferMap;
+ BufferMap mBufferMap;
+ HandleAllocator mBufferHandleAllocator;
+
+ typedef std::map<GLint, Shader*> ShaderMap;
+ ShaderMap mShaderMap;
+
+ typedef std::map<GLint, Program*> ProgramMap;
+ ProgramMap mProgramMap;
+ HandleAllocator mProgramShaderHandleAllocator;
+
+ typedef std::map<GLint, Texture*> TextureMap;
+ TextureMap mTextureMap;
+ HandleAllocator mTextureHandleAllocator;
+
+ typedef std::map<GLint, Renderbuffer*> RenderbufferMap;
+ RenderbufferMap mRenderbufferMap;
+ HandleAllocator mRenderbufferHandleAllocator;
+};
+
+}
+
+#endif // LIBGLESV2_RESOURCEMANAGER_H_
diff --git a/src/GLES2/libGLESv2/Shader.cpp b/src/GLES2/libGLESv2/Shader.cpp
new file mode 100644
index 0000000..f144a24
--- /dev/null
+++ b/src/GLES2/libGLESv2/Shader.cpp
@@ -0,0 +1,554 @@
+// SwiftShader Software Renderer
+//
+// Copyright(c) 2005-2012 TransGaming Inc.
+//
+// All rights reserved. No part of this software may be copied, distributed, transmitted,
+// transcribed, stored in a retrieval system, translated into any human or computer
+// language by any means, or disclosed to third parties without the explicit written
+// agreement of TransGaming Inc. Without such an agreement, no rights or licenses, express
+// or implied, including but not limited to any patent rights, are granted to you.
+//
+
+// Shader.cpp: Implements the Shader class and its derived classes
+// VertexShader and FragmentShader. Implements GL shader objects and related
+// functionality. [OpenGL ES 2.0.24] section 2.10 page 24 and section 3.8 page 84.
+
+#include "Shader.h"
+
+#include "main.h"
+#include "utilities.h"
+
+#include "GLSLANG/ShaderLang.h"
+
+#include <string>
+
+namespace gl
+{
+void *Shader::mFragmentCompiler = NULL;
+void *Shader::mVertexCompiler = NULL;
+
+Shader::Shader(ResourceManager *manager, GLuint handle) : mHandle(handle), mResourceManager(manager)
+{
+ mSource = NULL;
+ mInfoLog = NULL;
+
+ clear();
+ initializeCompiler();
+
+ mRefCount = 0;
+ mDeleteStatus = false;
+}
+
+Shader::~Shader()
+{
+ delete[] mSource;
+ delete[] mInfoLog;
+}
+
+GLuint Shader::getHandle() const
+{
+ return mHandle;
+}
+
+void Shader::setSource(GLsizei count, const char **string, const GLint *length)
+{
+ delete[] mSource;
+ int totalLength = 0;
+
+ for(int i = 0; i < count; i++)
+ {
+ if(length && length[i] >= 0)
+ {
+ totalLength += length[i];
+ }
+ else
+ {
+ totalLength += (int)strlen(string[i]);
+ }
+ }
+
+ mSource = new char[totalLength + 1];
+ char *code = mSource;
+
+ for(int i = 0; i < count; i++)
+ {
+ int stringLength;
+
+ if(length && length[i] >= 0)
+ {
+ stringLength = length[i];
+ }
+ else
+ {
+ stringLength = (int)strlen(string[i]);
+ }
+
+ strncpy(code, string[i], stringLength);
+ code += stringLength;
+ }
+
+ mSource[totalLength] = '\0';
+}
+
+int Shader::getInfoLogLength() const
+{
+ if(!mInfoLog)
+ {
+ return 0;
+ }
+ else
+ {
+ return strlen(mInfoLog) + 1;
+ }
+}
+
+void Shader::getInfoLog(GLsizei bufSize, GLsizei *length, char *infoLog)
+{
+ int index = 0;
+
+ if(bufSize > 0)
+ {
+ if(mInfoLog)
+ {
+ index = std::min(bufSize - 1, (int)strlen(mInfoLog));
+ memcpy(infoLog, mInfoLog, index);
+ }
+
+ infoLog[index] = '\0';
+ }
+
+ if(length)
+ {
+ *length = index;
+ }
+}
+
+int Shader::getSourceLength() const
+{
+ if(!mSource)
+ {
+ return 0;
+ }
+ else
+ {
+ return strlen(mSource) + 1;
+ }
+}
+
+void Shader::getSource(GLsizei bufSize, GLsizei *length, char *source)
+{
+ int index = 0;
+
+ if(bufSize > 0)
+ {
+ if(mSource)
+ {
+ index = std::min(bufSize - 1, (int)strlen(mSource));
+ memcpy(source, mSource, index);
+ }
+
+ source[index] = '\0';
+ }
+
+ if(length)
+ {
+ *length = index;
+ }
+}
+
+void Shader::clear()
+{
+ delete[] mInfoLog;
+ mInfoLog = NULL;
+
+ varyings.clear();
+ activeAttributes.clear();
+}
+
+bool Shader::isCompiled()
+{
+ return getShader() != 0;
+}
+
+sw::PixelShader *Shader::getPixelShader() const
+{
+ return 0;
+}
+
+sw::VertexShader *Shader::getVertexShader() const
+{
+ return 0;
+}
+
+void Shader::addRef()
+{
+ mRefCount++;
+}
+
+void Shader::release()
+{
+ mRefCount--;
+
+ if(mRefCount == 0 && mDeleteStatus)
+ {
+ mResourceManager->deleteShader(mHandle);
+ }
+}
+
+unsigned int Shader::getRefCount() const
+{
+ return mRefCount;
+}
+
+bool Shader::isFlaggedForDeletion() const
+{
+ return mDeleteStatus;
+}
+
+void Shader::flagForDeletion()
+{
+ mDeleteStatus = true;
+}
+
+// Perform a one-time initialization of the shader compiler (or after being destructed by releaseCompiler)
+void Shader::initializeCompiler()
+{
+ if(!mFragmentCompiler)
+ {
+ int result = ShInitialize();
+
+ if(result)
+ {
+ ShBuiltInResources resources;
+ ShInitBuiltInResources(&resources);
+ Context *context = getContext();
+
+ resources.MaxVertexAttribs = MAX_VERTEX_ATTRIBS;
+ resources.MaxVertexUniformVectors = MAX_VERTEX_UNIFORM_VECTORS;
+ resources.MaxVaryingVectors = MAX_VARYING_VECTORS;
+ resources.MaxVertexTextureImageUnits = MAX_VERTEX_TEXTURE_IMAGE_UNITS;
+ resources.MaxCombinedTextureImageUnits = MAX_COMBINED_TEXTURE_IMAGE_UNITS;
+ resources.MaxTextureImageUnits = MAX_TEXTURE_IMAGE_UNITS;
+ resources.MaxFragmentUniformVectors = MAX_FRAGMENT_UNIFORM_VECTORS;
+ resources.MaxDrawBuffers = MAX_DRAW_BUFFERS;
+ resources.OES_standard_derivatives = 1;
+
+ mFragmentCompiler = ShConstructCompiler(SH_FRAGMENT_SHADER, SH_GLES2_SPEC, &resources);
+ mVertexCompiler = ShConstructCompiler(SH_VERTEX_SHADER, SH_GLES2_SPEC, &resources);
+ }
+ }
+}
+
+void Shader::releaseCompiler()
+{
+ ShDestruct(mFragmentCompiler);
+ ShDestruct(mVertexCompiler);
+
+ mFragmentCompiler = NULL;
+ mVertexCompiler = NULL;
+
+ ShFinalize();
+}
+
+GLenum Shader::parseType(const std::string &type)
+{
+ if(type == "float")
+ {
+ return GL_FLOAT;
+ }
+ else if(type == "float2")
+ {
+ return GL_FLOAT_VEC2;
+ }
+ else if(type == "float3")
+ {
+ return GL_FLOAT_VEC3;
+ }
+ else if(type == "float4")
+ {
+ return GL_FLOAT_VEC4;
+ }
+ else if(type == "float2x2")
+ {
+ return GL_FLOAT_MAT2;
+ }
+ else if(type == "float3x3")
+ {
+ return GL_FLOAT_MAT3;
+ }
+ else if(type == "float4x4")
+ {
+ return GL_FLOAT_MAT4;
+ }
+ else UNREACHABLE();
+
+ return GL_NONE;
+}
+
+// true if varying x has a higher priority in packing than y
+bool Shader::compareVarying(const Varying &x, const Varying &y)
+{
+ if(x.type == y.type)
+ {
+ return x.size() > y.size();
+ }
+
+ switch (x.type)
+ {
+ case GL_FLOAT_MAT4: return true;
+ case GL_FLOAT_MAT2:
+ switch(y.type)
+ {
+ case GL_FLOAT_MAT4: return false;
+ case GL_FLOAT_MAT2: return true;
+ case GL_FLOAT_VEC4: return true;
+ case GL_FLOAT_MAT3: return true;
+ case GL_FLOAT_VEC3: return true;
+ case GL_FLOAT_VEC2: return true;
+ case GL_FLOAT: return true;
+ default: UNREACHABLE();
+ }
+ break;
+ case GL_FLOAT_VEC4:
+ switch(y.type)
+ {
+ case GL_FLOAT_MAT4: return false;
+ case GL_FLOAT_MAT2: return false;
+ case GL_FLOAT_VEC4: return true;
+ case GL_FLOAT_MAT3: return true;
+ case GL_FLOAT_VEC3: return true;
+ case GL_FLOAT_VEC2: return true;
+ case GL_FLOAT: return true;
+ default: UNREACHABLE();
+ }
+ break;
+ case GL_FLOAT_MAT3:
+ switch(y.type)
+ {
+ case GL_FLOAT_MAT4: return false;
+ case GL_FLOAT_MAT2: return false;
+ case GL_FLOAT_VEC4: return false;
+ case GL_FLOAT_MAT3: return true;
+ case GL_FLOAT_VEC3: return true;
+ case GL_FLOAT_VEC2: return true;
+ case GL_FLOAT: return true;
+ default: UNREACHABLE();
+ }
+ break;
+ case GL_FLOAT_VEC3:
+ switch(y.type)
+ {
+ case GL_FLOAT_MAT4: return false;
+ case GL_FLOAT_MAT2: return false;
+ case GL_FLOAT_VEC4: return false;
+ case GL_FLOAT_MAT3: return false;
+ case GL_FLOAT_VEC3: return true;
+ case GL_FLOAT_VEC2: return true;
+ case GL_FLOAT: return true;
+ default: UNREACHABLE();
+ }
+ break;
+ case GL_FLOAT_VEC2:
+ switch(y.type)
+ {
+ case GL_FLOAT_MAT4: return false;
+ case GL_FLOAT_MAT2: return false;
+ case GL_FLOAT_VEC4: return false;
+ case GL_FLOAT_MAT3: return false;
+ case GL_FLOAT_VEC3: return false;
+ case GL_FLOAT_VEC2: return true;
+ case GL_FLOAT: return true;
+ default: UNREACHABLE();
+ }
+ break;
+ case GL_FLOAT: return false;
+ default: UNREACHABLE();
+ }
+
+ return false;
+}
+
+VertexShader::VertexShader(ResourceManager *manager, GLuint handle) : Shader(manager, handle)
+{
+ vertexShader = 0;
+}
+
+VertexShader::~VertexShader()
+{
+ delete vertexShader;
+}
+
+GLenum VertexShader::getType()
+{
+ return GL_VERTEX_SHADER;
+}
+
+void VertexShader::compile()
+{
+ clear();
+ initializeCompiler();
+
+ delete vertexShader;
+ vertexShader = new sw::VertexShader();
+
+ TranslatorASM *assembler = new TranslatorASM(this, SH_VERTEX_SHADER, SH_GLES2_SPEC);
+
+ ShBuiltInResources resources;
+ ShInitBuiltInResources(&resources);
+ resources.MaxVertexAttribs = MAX_VERTEX_ATTRIBS;
+ resources.MaxVertexUniformVectors = MAX_VERTEX_UNIFORM_VECTORS;
+ resources.MaxVaryingVectors = MAX_VARYING_VECTORS;
+ resources.MaxVertexTextureImageUnits = MAX_VERTEX_TEXTURE_IMAGE_UNITS;
+ resources.MaxCombinedTextureImageUnits = MAX_COMBINED_TEXTURE_IMAGE_UNITS;
+ resources.MaxTextureImageUnits = MAX_TEXTURE_IMAGE_UNITS;
+ resources.MaxFragmentUniformVectors = MAX_FRAGMENT_UNIFORM_VECTORS;
+ resources.MaxDrawBuffers = MAX_DRAW_BUFFERS;
+ resources.OES_standard_derivatives = 1;
+ assembler->Init(resources);
+
+ // Ensure we don't pass a NULL source to the compiler
+ char *source = "\0";
+ if(mSource)
+ {
+ source = mSource;
+ }
+
+ int success = ShCompile(assembler, &source, 1, SH_OBJECT_CODE);
+
+ if(false)
+ {
+ static int serial = 1;
+ char buffer[256];
+ sprintf(buffer, "vertex-input-%d-%d.txt", getHandle(), serial);
+ FILE *file = fopen(buffer, "wt");
+ fprintf(file, mSource);
+ fclose(file);
+ vertexShader->print("vertex-output-%d-%d.txt", getHandle(), serial);
+ serial++;
+ }
+
+ if(!success)
+ {
+ delete vertexShader;
+ vertexShader = 0;
+
+ int infoLogLen = 0;
+ ShGetInfo(assembler, SH_INFO_LOG_LENGTH, &infoLogLen);
+ mInfoLog = new char[infoLogLen];
+ ShGetInfoLog(assembler, mInfoLog);
+ TRACE("\n%s", mInfoLog);
+ }
+
+ delete assembler;
+}
+
+int VertexShader::getSemanticIndex(const std::string &attributeName)
+{
+ if(!attributeName.empty())
+ {
+ for(sh::ActiveAttributes::iterator attribute = activeAttributes.begin(); attribute != activeAttributes.end(); attribute++)
+ {
+ if(attribute->name == attributeName)
+ {
+ return attribute->registerIndex;
+ }
+ }
+ }
+
+ return -1;
+}
+
+sw::Shader *VertexShader::getShader() const
+{
+ return vertexShader;
+}
+
+sw::VertexShader *VertexShader::getVertexShader() const
+{
+ return vertexShader;
+}
+
+FragmentShader::FragmentShader(ResourceManager *manager, GLuint handle) : Shader(manager, handle)
+{
+ pixelShader = 0;
+}
+
+FragmentShader::~FragmentShader()
+{
+ delete pixelShader;
+}
+
+GLenum FragmentShader::getType()
+{
+ return GL_FRAGMENT_SHADER;
+}
+
+void FragmentShader::compile()
+{
+ clear();
+ initializeCompiler();
+
+ delete pixelShader;
+ pixelShader = new sw::PixelShader();
+
+ TranslatorASM *assembler = new TranslatorASM(this, SH_FRAGMENT_SHADER, SH_GLES2_SPEC);
+
+ ShBuiltInResources resources;
+ ShInitBuiltInResources(&resources);
+ resources.MaxVertexAttribs = MAX_VERTEX_ATTRIBS;
+ resources.MaxVertexUniformVectors = MAX_VERTEX_UNIFORM_VECTORS;
+ resources.MaxVaryingVectors = MAX_VARYING_VECTORS;
+ resources.MaxVertexTextureImageUnits = MAX_VERTEX_TEXTURE_IMAGE_UNITS;
+ resources.MaxCombinedTextureImageUnits = MAX_COMBINED_TEXTURE_IMAGE_UNITS;
+ resources.MaxTextureImageUnits = MAX_TEXTURE_IMAGE_UNITS;
+ resources.MaxFragmentUniformVectors = MAX_FRAGMENT_UNIFORM_VECTORS;
+ resources.MaxDrawBuffers = MAX_DRAW_BUFFERS;
+ resources.OES_standard_derivatives = 1;
+ assembler->Init(resources);
+
+ // Ensure we don't pass a NULL source to the compiler
+ char *source = "\0";
+ if(mSource)
+ {
+ source = mSource;
+ }
+
+ int success = ShCompile(assembler, &source, 1, SH_OBJECT_CODE);
+
+ if(false)
+ {
+ static int serial = 1;
+ char buffer[256];
+ sprintf(buffer, "pixel-input-%d-%d.txt", getHandle(), serial);
+ FILE *file = fopen(buffer, "wt");
+ fprintf(file, mSource);
+ fclose(file);
+ pixelShader->print("pixel-output-%d-%d.txt", getHandle(), serial);
+ serial++;
+ }
+
+ if(!success)
+ {
+ delete pixelShader;
+ pixelShader = 0;
+
+ int infoLogLen = 0;
+ ShGetInfo(assembler, SH_INFO_LOG_LENGTH, &infoLogLen);
+ mInfoLog = new char[infoLogLen];
+ ShGetInfoLog(assembler, mInfoLog);
+ TRACE("\n%s", mInfoLog);
+ }
+
+ delete assembler;
+}
+
+sw::Shader *FragmentShader::getShader() const
+{
+ return pixelShader;
+}
+
+sw::PixelShader *FragmentShader::getPixelShader() const
+{
+ return pixelShader;
+}
+}
diff --git a/src/GLES2/libGLESv2/Shader.h b/src/GLES2/libGLESv2/Shader.h
new file mode 100644
index 0000000..6629c39
--- /dev/null
+++ b/src/GLES2/libGLESv2/Shader.h
@@ -0,0 +1,162 @@
+// SwiftShader Software Renderer
+//
+// Copyright(c) 2005-2012 TransGaming Inc.
+//
+// All rights reserved. No part of this software may be copied, distributed, transmitted,
+// transcribed, stored in a retrieval system, translated into any human or computer
+// language by any means, or disclosed to third parties without the explicit written
+// agreement of TransGaming Inc. Without such an agreement, no rights or licenses, express
+// or implied, including but not limited to any patent rights, are granted to you.
+//
+
+// Shader.h: Defines the abstract Shader class and its concrete derived
+// classes VertexShader and FragmentShader. Implements GL shader objects and
+// related functionality. [OpenGL ES 2.0.24] section 2.10 page 24 and section
+// 3.8 page 84.
+
+#ifndef LIBGLESV2_SHADER_H_
+#define LIBGLESV2_SHADER_H_
+
+#include "ResourceManager.h"
+
+#include "compiler/TranslatorASM.h"
+
+#define GL_APICALL
+#include <GLES2/gl2.h>
+
+#include <list>
+#include <vector>
+
+namespace sh
+{
+ class OutputASM;
+}
+
+namespace gl
+{
+struct Varying
+{
+ Varying(GLenum type, const std::string &name, int arraySize, int reg = -1, int col = -1)
+ : type(type), name(name), arraySize(arraySize), reg(reg), col(col)
+ {
+ }
+
+ bool isArray() const
+ {
+ return arraySize >= 1;
+ }
+
+ int size() const // Unify with gl::Uniform?
+ {
+ return arraySize > 0 ? arraySize : 1;
+ }
+
+ GLenum type;
+ std::string name;
+ int arraySize;
+
+ int reg; // First varying register, assigned during link
+ int col; // First register element, assigned during link
+};
+
+typedef std::list<Varying> VaryingList;
+
+class Shader
+{
+ friend class Program;
+ friend class sh::OutputASM;
+
+public:
+ Shader(ResourceManager *manager, GLuint handle);
+
+ virtual ~Shader();
+
+ virtual GLenum getType() = 0;
+ GLuint getHandle() const;
+
+ void deleteSource();
+ void setSource(GLsizei count, const char **string, const GLint *length);
+ int getInfoLogLength() const;
+ void getInfoLog(GLsizei bufSize, GLsizei *length, char *infoLog);
+ int getSourceLength() const;
+ void getSource(GLsizei bufSize, GLsizei *length, char *source);
+
+ virtual void compile() = 0;
+ bool isCompiled();
+
+ virtual sw::Shader *getShader() const = 0;
+ virtual sw::PixelShader *getPixelShader() const;
+ virtual sw::VertexShader *getVertexShader() const;
+
+ void addRef();
+ void release();
+ unsigned int getRefCount() const;
+ bool isFlaggedForDeletion() const;
+ void flagForDeletion();
+
+ static void releaseCompiler();
+
+protected:
+ void clear();
+ void initializeCompiler();
+
+ static GLenum parseType(const std::string &type);
+ static bool compareVarying(const Varying &x, const Varying &y);
+
+ char *mSource;
+ char *mInfoLog;
+
+ VaryingList varyings;
+ sh::ActiveUniforms activeUniforms;
+ sh::ActiveAttributes activeAttributes;
+
+private:
+ const GLuint mHandle;
+ unsigned int mRefCount; // Number of program objects this shader is attached to
+ bool mDeleteStatus; // Flag to indicate that the shader can be deleted when no longer in use
+
+ ResourceManager *mResourceManager;
+
+ static void *mFragmentCompiler;
+ static void *mVertexCompiler;
+};
+
+class VertexShader : public Shader
+{
+ friend class Program;
+
+public:
+ VertexShader(ResourceManager *manager, GLuint handle);
+
+ ~VertexShader();
+
+ virtual GLenum getType();
+ virtual void compile();
+ int getSemanticIndex(const std::string &attributeName);
+
+ virtual sw::Shader *getShader() const;
+ virtual sw::VertexShader *getVertexShader() const;
+
+private:
+ sw::VertexShader *vertexShader;
+};
+
+class FragmentShader : public Shader
+{
+public:
+ FragmentShader(ResourceManager *manager, GLuint handle);
+
+ ~FragmentShader();
+
+ virtual GLenum getType();
+ virtual void compile();
+
+ virtual sw::Shader *getShader() const;
+ virtual sw::PixelShader *getPixelShader() const;
+
+private:
+ sw::PixelShader *pixelShader;
+};
+}
+
+#endif // LIBGLESV2_SHADER_H_
diff --git a/src/GLES2/libGLESv2/Texture.cpp b/src/GLES2/libGLESv2/Texture.cpp
new file mode 100644
index 0000000..dedc7cb
--- /dev/null
+++ b/src/GLES2/libGLESv2/Texture.cpp
@@ -0,0 +1,1113 @@
+// SwiftShader Software Renderer
+//
+// Copyright(c) 2005-2013 TransGaming Inc.
+//
+// All rights reserved. No part of this software may be copied, distributed, transmitted,
+// transcribed, stored in a retrieval system, translated into any human or computer
+// language by any means, or disclosed to third parties without the explicit written
+// agreement of TransGaming Inc. Without such an agreement, no rights or licenses, express
+// or implied, including but not limited to any patent rights, are granted to you.
+//
+
+// Texture.cpp: Implements the Texture class and its derived classes
+// Texture2D and TextureCubeMap. Implements GL texture objects and related
+// functionality. [OpenGL ES 2.0.24] section 3.7 page 63.
+
+#include "Texture.h"
+
+#include "main.h"
+#include "mathutil.h"
+#include "Framebuffer.h"
+#include "Device.hpp"
+#include "libEGL/Display.h"
+#include "common/debug.h"
+
+#include <algorithm>
+
+namespace gl
+{
+
+Texture::Texture(GLuint id) : RefCountObject(id)
+{
+ mMinFilter = GL_NEAREST_MIPMAP_LINEAR;
+ mMagFilter = GL_LINEAR;
+ mWrapS = GL_REPEAT;
+ mWrapT = GL_REPEAT;
+ mMaxAnisotropy = 1.0f;
+
+ resource = new sw::Resource(0);
+}
+
+Texture::~Texture()
+{
+ resource->destruct();
+}
+
+sw::Resource *Texture::getResource() const
+{
+ return resource;
+}
+
+bool Texture::isTexture2D()
+{
+ return false;
+}
+
+bool Texture::isTextureCubeMap()
+{
+ return false;
+}
+
+// Returns true on successful filter state update (valid enum parameter)
+bool Texture::setMinFilter(GLenum filter)
+{
+ switch(filter)
+ {
+ case GL_NEAREST:
+ case GL_LINEAR:
+ case GL_NEAREST_MIPMAP_NEAREST:
+ case GL_LINEAR_MIPMAP_NEAREST:
+ case GL_NEAREST_MIPMAP_LINEAR:
+ case GL_LINEAR_MIPMAP_LINEAR:
+ mMinFilter = filter;
+ return true;
+ default:
+ return false;
+ }
+}
+
+// Returns true on successful filter state update (valid enum parameter)
+bool Texture::setMagFilter(GLenum filter)
+{
+ switch(filter)
+ {
+ case GL_NEAREST:
+ case GL_LINEAR:
+ mMagFilter = filter;
+ return true;
+ default:
+ return false;
+ }
+}
+
+// Returns true on successful wrap state update (valid enum parameter)
+bool Texture::setWrapS(GLenum wrap)
+{
+ switch(wrap)
+ {
+ case GL_REPEAT:
+ case GL_CLAMP_TO_EDGE:
+ case GL_MIRRORED_REPEAT:
+ mWrapS = wrap;
+ return true;
+ default:
+ return false;
+ }
+}
+
+// Returns true on successful wrap state update (valid enum parameter)
+bool Texture::setWrapT(GLenum wrap)
+{
+ switch(wrap)
+ {
+ case GL_REPEAT:
+ case GL_CLAMP_TO_EDGE:
+ case GL_MIRRORED_REPEAT:
+ mWrapT = wrap;
+ return true;
+ default:
+ return false;
+ }
+}
+
+// Returns true on successful max anisotropy update (valid anisotropy value)
+bool Texture::setMaxAnisotropy(float textureMaxAnisotropy)
+{
+ textureMaxAnisotropy = std::min(textureMaxAnisotropy, MAX_TEXTURE_MAX_ANISOTROPY);
+
+ if(textureMaxAnisotropy < 1.0f)
+ {
+ return false;
+ }
+
+ if(mMaxAnisotropy != textureMaxAnisotropy)
+ {
+ mMaxAnisotropy = textureMaxAnisotropy;
+ }
+
+ return true;
+}
+
+GLenum Texture::getMinFilter() const
+{
+ return mMinFilter;
+}
+
+GLenum Texture::getMagFilter() const
+{
+ return mMagFilter;
+}
+
+GLenum Texture::getWrapS() const
+{
+ return mWrapS;
+}
+
+GLenum Texture::getWrapT() const
+{
+ return mWrapT;
+}
+
+GLfloat Texture::getMaxAnisotropy() const
+{
+ return mMaxAnisotropy;
+}
+
+void Texture::setImage(GLenum format, GLenum type, GLint unpackAlignment, const void *pixels, Image *image)
+{
+ if(pixels && image)
+ {
+ image->loadImageData(0, 0, image->getWidth(), image->getHeight(), format, type, unpackAlignment, pixels);
+ }
+}
+
+void Texture::setCompressedImage(GLsizei imageSize, const void *pixels, Image *image)
+{
+ if(pixels && image)
+ {
+ image->loadCompressedData(0, 0, image->getWidth(), image->getHeight(), imageSize, pixels);
+ }
+}
+
+void Texture::subImage(GLint xoffset, GLint yoffset, GLsizei width, GLsizei height, GLenum format, GLenum type, GLint unpackAlignment, const void *pixels, Image *image)
+{
+ if(!image)
+ {
+ return error(GL_INVALID_OPERATION);
+ }
+
+ if(width + xoffset > image->getWidth() || height + yoffset > image->getHeight())
+ {
+ return error(GL_INVALID_VALUE);
+ }
+
+ if(IsCompressed(image->getFormat()))
+ {
+ return error(GL_INVALID_OPERATION);
+ }
+
+ if(format != image->getFormat())
+ {
+ return error(GL_INVALID_OPERATION);
+ }
+
+ if(pixels)
+ {
+ image->loadImageData(xoffset, yoffset, width, height, format, type, unpackAlignment, pixels);
+ }
+}
+
+void Texture::subImageCompressed(GLint xoffset, GLint yoffset, GLsizei width, GLsizei height, GLenum format, GLsizei imageSize, const void *pixels, Image *image)
+{
+ if(!image)
+ {
+ return error(GL_INVALID_OPERATION);
+ }
+
+ if(width + xoffset > image->getWidth() || height + yoffset > image->getHeight())
+ {
+ return error(GL_INVALID_VALUE);
+ }
+
+ if(format != image->getFormat())
+ {
+ return error(GL_INVALID_OPERATION);
+ }
+
+ if(pixels)
+ {
+ image->loadCompressedData(xoffset, yoffset, width, height, imageSize, pixels);
+ }
+}
+
+bool Texture::copy(Image *source, const sw::Rect &sourceRect, GLenum destFormat, GLint xoffset, GLint yoffset, Image *dest)
+{
+ Device *device = getDevice();
+
+ sw::Rect destRect = {xoffset, yoffset, xoffset + (sourceRect.x1 - sourceRect.x0), yoffset + (sourceRect.y1 - sourceRect.y0)};
+ bool success = device->stretchRect(source, &sourceRect, dest, &destRect, false);
+
+ if(!success)
+ {
+ return error(GL_OUT_OF_MEMORY, false);
+ }
+
+ return true;
+}
+
+bool Texture::isMipmapFiltered() const
+{
+ switch(mMinFilter)
+ {
+ case GL_NEAREST:
+ case GL_LINEAR:
+ return false;
+ case GL_NEAREST_MIPMAP_NEAREST:
+ case GL_LINEAR_MIPMAP_NEAREST:
+ case GL_NEAREST_MIPMAP_LINEAR:
+ case GL_LINEAR_MIPMAP_LINEAR:
+ return true;
+ default: UNREACHABLE();
+ }
+
+ return false;
+}
+
+Texture2D::Texture2D(GLuint id) : Texture(id)
+{
+ for(int i = 0; i < MIPMAP_LEVELS; i++)
+ {
+ image[i] = 0;
+ }
+
+ mSurface = NULL;
+
+ mColorbufferProxy = NULL;
+ mProxyRefs = 0;
+}
+
+Texture2D::~Texture2D()
+{
+ resource->lock(sw::DESTRUCT);
+
+ for(int i = 0; i < MIPMAP_LEVELS; i++)
+ {
+ if(image[i])
+ {
+ image[i]->release();
+ image[i] = 0;
+ }
+ }
+
+ resource->unlock();
+
+ if(mSurface)
+ {
+ mSurface->setBoundTexture(NULL);
+ mSurface = NULL;
+ }
+
+ mColorbufferProxy = NULL;
+}
+
+bool Texture2D::isTexture2D()
+{
+ return true;
+}
+
+// We need to maintain a count of references to renderbuffers acting as
+// proxies for this texture, so that we do not attempt to use a pointer
+// to a renderbuffer proxy which has been deleted.
+void Texture2D::addProxyRef(const Renderbuffer *proxy)
+{
+ mProxyRefs++;
+}
+
+void Texture2D::releaseProxy(const Renderbuffer *proxy)
+{
+ if(mProxyRefs > 0)
+ {
+ mProxyRefs--;
+ }
+
+ if(mProxyRefs == 0)
+ {
+ mColorbufferProxy = NULL;
+ }
+}
+
+GLenum Texture2D::getTarget() const
+{
+ return GL_TEXTURE_2D;
+}
+
+GLsizei Texture2D::getWidth(GLenum target, GLint level) const
+{
+ ASSERT(target == GL_TEXTURE_2D);
+ return image[level] ? image[level]->getWidth() : 0;
+}
+
+GLsizei Texture2D::getHeight(GLenum target, GLint level) const
+{
+ ASSERT(target == GL_TEXTURE_2D);
+ return image[level] ? image[level]->getHeight() : 0;
+}
+
+GLenum Texture2D::getFormat(GLenum target, GLint level) const
+{
+ ASSERT(target == GL_TEXTURE_2D);
+ return image[level] ? image[level]->getFormat() : 0;
+}
+
+GLenum Texture2D::getType(GLenum target, GLint level) const
+{
+ ASSERT(target == GL_TEXTURE_2D);
+ return image[level] ? image[level]->getType() : 0;
+}
+
+sw::Format Texture2D::getInternalFormat(GLenum target, GLint level) const
+{
+ ASSERT(target == GL_TEXTURE_2D);
+ return image[level] ? image[level]->getInternalFormat() : sw::FORMAT_NULL;
+}
+
+int Texture2D::getLevelCount() const
+{
+ ASSERT(isSamplerComplete());
+ int levels = 0;
+
+ while(levels < MIPMAP_LEVELS && image[levels])
+ {
+ levels++;
+ }
+
+ return levels;
+}
+
+void Texture2D::setImage(GLint level, GLsizei width, GLsizei height, GLenum format, GLenum type, GLint unpackAlignment, const void *pixels)
+{
+ if(image[level])
+ {
+ image[level]->release();
+ }
+
+ image[level] = new Image(resource, width, height, format, type);
+
+ if(!image[level])
+ {
+ return error(GL_OUT_OF_MEMORY);
+ }
+
+ image[level]->addRef();
+
+ Texture::setImage(format, type, unpackAlignment, pixels, image[level]);
+}
+
+void Texture2D::bindTexImage(egl::Surface *surface)
+{
+ GLenum format;
+
+ switch(surface->getInternalFormat())
+ {
+ case sw::FORMAT_A8R8G8B8:
+ format = GL_RGBA;
+ break;
+ case sw::FORMAT_X8R8G8B8:
+ format = GL_RGB;
+ break;
+ default:
+ UNIMPLEMENTED();
+ return;
+ }
+
+ for(int level = 0; level < MIPMAP_LEVELS; level++)
+ {
+ if(image[level])
+ {
+ image[level]->release();
+ image[level] = 0;
+ }
+ }
+
+ image[0] = surface->getRenderTarget();
+
+ mSurface = surface;
+ mSurface->setBoundTexture(this);
+}
+
+void Texture2D::releaseTexImage()
+{
+ for(int level = 0; level < MIPMAP_LEVELS; level++)
+ {
+ if(image[level])
+ {
+ image[level]->release();
+ image[level] = 0;
+ }
+ }
+}
+
+void Texture2D::setCompressedImage(GLint level, GLenum format, GLsizei width, GLsizei height, GLsizei imageSize, const void *pixels)
+{
+ if(image[level])
+ {
+ image[level]->release();
+ }
+
+ image[level] = new Image(resource, width, height, format, GL_UNSIGNED_BYTE);
+
+ if(!image[level])
+ {
+ return error(GL_OUT_OF_MEMORY);
+ }
+
+ image[level]->addRef();
+
+ Texture::setCompressedImage(imageSize, pixels, image[level]);
+}
+
+void Texture2D::subImage(GLint level, GLint xoffset, GLint yoffset, GLsizei width, GLsizei height, GLenum format, GLenum type, GLint unpackAlignment, const void *pixels)
+{
+ Texture::subImage(xoffset, yoffset, width, height, format, type, unpackAlignment, pixels, image[level]);
+}
+
+void Texture2D::subImageCompressed(GLint level, GLint xoffset, GLint yoffset, GLsizei width, GLsizei height, GLenum format, GLsizei imageSize, const void *pixels)
+{
+ Texture::subImageCompressed(xoffset, yoffset, width, height, format, imageSize, pixels, image[level]);
+}
+
+void Texture2D::copyImage(GLint level, GLenum format, GLint x, GLint y, GLsizei width, GLsizei height, Framebuffer *source)
+{
+ Image *renderTarget = source->getRenderTarget();
+
+ if(!renderTarget)
+ {
+ ERR("Failed to retrieve the render target.");
+ return error(GL_OUT_OF_MEMORY);
+ }
+
+ if(image[level])
+ {
+ image[level]->release();
+ }
+
+ image[level] = new Image(resource, width, height, format, GL_UNSIGNED_BYTE);
+
+ if(!image[level])
+ {
+ return error(GL_OUT_OF_MEMORY);
+ }
+
+ image[level]->addRef();
+
+ if(width != 0 && height != 0)
+ {
+ sw::Rect sourceRect = {x, y, x + width, y + height};
+ sourceRect.clip(0, 0, source->getColorbuffer()->getWidth(), source->getColorbuffer()->getHeight());
+
+ copy(renderTarget, sourceRect, format, 0, 0, image[level]);
+ }
+
+ renderTarget->release();
+}
+
+void Texture2D::copySubImage(GLenum target, GLint level, GLint xoffset, GLint yoffset, GLint x, GLint y, GLsizei width, GLsizei height, Framebuffer *source)
+{
+ if(!image[level])
+ {
+ return error(GL_INVALID_OPERATION);
+ }
+
+ if(xoffset + width > image[level]->getWidth() || yoffset + height > image[level]->getHeight())
+ {
+ return error(GL_INVALID_VALUE);
+ }
+
+ Image *renderTarget = source->getRenderTarget();
+
+ if(!renderTarget)
+ {
+ ERR("Failed to retrieve the render target.");
+ return error(GL_OUT_OF_MEMORY);
+ }
+
+ sw::Rect sourceRect = {x, y, x + width, y + height};
+ sourceRect.clip(0, 0, source->getColorbuffer()->getWidth(), source->getColorbuffer()->getHeight());
+
+ copy(renderTarget, sourceRect, image[level]->getFormat(), xoffset, yoffset, image[level]);
+
+ renderTarget->release();
+}
+
+// Tests for 2D texture sampling completeness. [OpenGL ES 2.0.24] section 3.8.2 page 85.
+bool Texture2D::isSamplerComplete() const
+{
+ if(!image[0])
+ {
+ return false;
+ }
+
+ GLsizei width = image[0]->getWidth();
+ GLsizei height = image[0]->getHeight();
+
+ if(width <= 0 || height <= 0)
+ {
+ return false;
+ }
+
+ if(isMipmapFiltered())
+ {
+ if(!isMipmapComplete())
+ {
+ return false;
+ }
+ }
+
+ return true;
+}
+
+// Tests for 2D texture (mipmap) completeness. [OpenGL ES 2.0.24] section 3.7.10 page 81.
+bool Texture2D::isMipmapComplete() const
+{
+ GLsizei width = image[0]->getWidth();
+ GLsizei height = image[0]->getHeight();
+
+ int q = log2(std::max(width, height));
+
+ for(int level = 1; level <= q; level++)
+ {
+ if(!image[level])
+ {
+ return false;
+ }
+
+ if(image[level]->getFormat() != image[0]->getFormat())
+ {
+ return false;
+ }
+
+ if(image[level]->getType() != image[0]->getType())
+ {
+ return false;
+ }
+
+ if(image[level]->getWidth() != std::max(1, width >> level))
+ {
+ return false;
+ }
+
+ if(image[level]->getHeight() != std::max(1, height >> level))
+ {
+ return false;
+ }
+ }
+
+ return true;
+}
+
+bool Texture2D::isCompressed(GLenum target, GLint level) const
+{
+ return IsCompressed(getFormat(target, level));
+}
+
+bool Texture2D::isDepth(GLenum target, GLint level) const
+{
+ return IsDepthTexture(getFormat(target, level));
+}
+
+void Texture2D::generateMipmaps()
+{
+ if(!image[0])
+ {
+ return; // FIXME: error?
+ }
+
+ unsigned int q = log2(std::max(image[0]->getWidth(), image[0]->getHeight()));
+
+ for(unsigned int i = 1; i <= q; i++)
+ {
+ if(image[i])
+ {
+ image[i]->release();
+ }
+
+ image[i] = new Image(resource, std::max(image[0]->getWidth() >> i, 1), std::max(image[0]->getHeight() >> i, 1), image[0]->getFormat(), image[0]->getType());
+
+ if(!image[i])
+ {
+ return error(GL_OUT_OF_MEMORY);
+ }
+
+ image[i]->addRef();
+
+ getDevice()->stretchRect(image[i - 1], 0, image[i], 0, true);
+ }
+}
+
+Image *Texture2D::getImage(unsigned int level)
+{
+ return image[level];
+}
+
+Renderbuffer *Texture2D::getRenderbuffer(GLenum target)
+{
+ if(target != GL_TEXTURE_2D)
+ {
+ return error(GL_INVALID_OPERATION, (Renderbuffer *)NULL);
+ }
+
+ if(mColorbufferProxy == NULL)
+ {
+ mColorbufferProxy = new Renderbuffer(id(), new RenderbufferTexture2D(this));
+ }
+
+ return mColorbufferProxy;
+}
+
+Image *Texture2D::getRenderTarget(GLenum target)
+{
+ ASSERT(target == GL_TEXTURE_2D);
+
+ if(image[0])
+ {
+ image[0]->addRef();
+ }
+
+ return image[0];
+}
+
+TextureCubeMap::TextureCubeMap(GLuint id) : Texture(id)
+{
+ for(int f = 0; f < 6; f++)
+ {
+ for(int i = 0; i < MIPMAP_LEVELS; i++)
+ {
+ image[f][i] = 0;
+ }
+ }
+
+ for(int f = 0; f < 6; f++)
+ {
+ mFaceProxies[f] = NULL;
+ mFaceProxyRefs[f] = 0;
+ }
+}
+
+TextureCubeMap::~TextureCubeMap()
+{
+ resource->lock(sw::DESTRUCT);
+
+ for(int f = 0; f < 6; f++)
+ {
+ for(int i = 0; i < MIPMAP_LEVELS; i++)
+ {
+ if(image[f][i])
+ {
+ image[f][i]->release();
+ image[f][i] = 0;
+ }
+ }
+ }
+
+ resource->unlock();
+
+ for(int i = 0; i < 6; i++)
+ {
+ mFaceProxies[i] = NULL;
+ }
+}
+
+bool TextureCubeMap::isTextureCubeMap()
+{
+ return true;
+}
+
+// We need to maintain a count of references to renderbuffers acting as
+// proxies for this texture, so that the texture is not deleted while
+// proxy references still exist. If the reference count drops to zero,
+// we set our proxy pointer NULL, so that a new attempt at referencing
+// will cause recreation.
+void TextureCubeMap::addProxyRef(const Renderbuffer *proxy)
+{
+ for(int f = 0; f < 6; f++)
+ {
+ if(mFaceProxies[f] == proxy)
+ {
+ mFaceProxyRefs[f]++;
+ }
+ }
+}
+
+void TextureCubeMap::releaseProxy(const Renderbuffer *proxy)
+{
+ for(int f = 0; f < 6; f++)
+ {
+ if(mFaceProxies[f] == proxy)
+ {
+ if(mFaceProxyRefs[f] > 0)
+ {
+ mFaceProxyRefs[f]--;
+ }
+
+ if(mFaceProxyRefs[f] == 0)
+ {
+ mFaceProxies[f] = NULL;
+ }
+ }
+ }
+}
+
+GLenum TextureCubeMap::getTarget() const
+{
+ return GL_TEXTURE_CUBE_MAP;
+}
+
+GLsizei TextureCubeMap::getWidth(GLenum target, GLint level) const
+{
+ int face = CubeFaceIndex(target);
+ return image[face][level] ? image[face][level]->getWidth() : 0;
+}
+
+GLsizei TextureCubeMap::getHeight(GLenum target, GLint level) const
+{
+ int face = CubeFaceIndex(target);
+ return image[face][level] ? image[face][level]->getHeight() : 0;
+}
+
+GLenum TextureCubeMap::getFormat(GLenum target, GLint level) const
+{
+ int face = CubeFaceIndex(target);
+ return image[face][level] ? image[face][level]->getFormat() : 0;
+}
+
+GLenum TextureCubeMap::getType(GLenum target, GLint level) const
+{
+ int face = CubeFaceIndex(target);
+ return image[face][level] ? image[face][level]->getType() : 0;
+}
+
+sw::Format TextureCubeMap::getInternalFormat(GLenum target, GLint level) const
+{
+ int face = CubeFaceIndex(target);
+ return image[face][level] ? image[face][level]->getInternalFormat() : sw::FORMAT_NULL;
+}
+
+int TextureCubeMap::getLevelCount() const
+{
+ ASSERT(isSamplerComplete());
+ int levels = 0;
+
+ while(levels < MIPMAP_LEVELS && image[0][levels])
+ {
+ levels++;
+ }
+
+ return levels;
+}
+
+void TextureCubeMap::setCompressedImage(GLenum target, GLint level, GLenum format, GLsizei width, GLsizei height, GLsizei imageSize, const void *pixels)
+{
+ int face = CubeFaceIndex(target);
+
+ if(image[face][level])
+ {
+ image[face][level]->release();
+ }
+
+ image[face][level] = new Image(resource, width, height, format, GL_UNSIGNED_BYTE);
+
+ if(!image[face][level])
+ {
+ return error(GL_OUT_OF_MEMORY);
+ }
+
+ image[face][level]->addRef();
+
+ Texture::setCompressedImage(imageSize, pixels, image[face][level]);
+}
+
+void TextureCubeMap::subImage(GLenum target, GLint level, GLint xoffset, GLint yoffset, GLsizei width, GLsizei height, GLenum format, GLenum type, GLint unpackAlignment, const void *pixels)
+{
+ Texture::subImage(xoffset, yoffset, width, height, format, type, unpackAlignment, pixels, image[CubeFaceIndex(target)][level]);
+}
+
+void TextureCubeMap::subImageCompressed(GLenum target, GLint level, GLint xoffset, GLint yoffset, GLsizei width, GLsizei height, GLenum format, GLsizei imageSize, const void *pixels)
+{
+ Texture::subImageCompressed(xoffset, yoffset, width, height, format, imageSize, pixels, image[CubeFaceIndex(target)][level]);
+}
+
+// Tests for cube map sampling completeness. [OpenGL ES 2.0.24] section 3.8.2 page 86.
+bool TextureCubeMap::isSamplerComplete() const
+{
+ for(int face = 0; face < 6; face++)
+ {
+ if(!image[face][0])
+ {
+ return false;
+ }
+ }
+
+ int size = image[0][0]->getWidth();
+
+ if(size <= 0)
+ {
+ return false;
+ }
+
+ if(!isMipmapFiltered())
+ {
+ if(!isCubeComplete())
+ {
+ return false;
+ }
+ }
+ else
+ {
+ if(!isMipmapCubeComplete()) // Also tests for isCubeComplete()
+ {
+ return false;
+ }
+ }
+
+ return true;
+}
+
+// Tests for cube texture completeness. [OpenGL ES 2.0.24] section 3.7.10 page 81.
+bool TextureCubeMap::isCubeComplete() const
+{
+ if(image[0][0]->getWidth() <= 0 || image[0][0]->getHeight() != image[0][0]->getWidth())
+ {
+ return false;
+ }
+
+ for(unsigned int face = 1; face < 6; face++)
+ {
+ if(image[face][0]->getWidth() != image[0][0]->getWidth() ||
+ image[face][0]->getWidth() != image[0][0]->getHeight() ||
+ image[face][0]->getFormat() != image[0][0]->getFormat() ||
+ image[face][0]->getType() != image[0][0]->getType())
+ {
+ return false;
+ }
+ }
+
+ return true;
+}
+
+bool TextureCubeMap::isMipmapCubeComplete() const
+{
+ if(!isCubeComplete())
+ {
+ return false;
+ }
+
+ GLsizei size = image[0][0]->getWidth();
+ int q = log2(size);
+
+ for(int face = 0; face < 6; face++)
+ {
+ for(int level = 1; level <= q; level++)
+ {
+ if(!image[face][level])
+ {
+ return false;
+ }
+
+ if(image[face][level]->getFormat() != image[0][0]->getFormat())
+ {
+ return false;
+ }
+
+ if(image[face][level]->getType() != image[0][0]->getType())
+ {
+ return false;
+ }
+
+ if(image[face][level]->getWidth() != std::max(1, size >> level))
+ {
+ return false;
+ }
+ }
+ }
+
+ return true;
+}
+
+bool TextureCubeMap::isCompressed(GLenum target, GLint level) const
+{
+ return IsCompressed(getFormat(target, level));
+}
+
+bool TextureCubeMap::isDepth(GLenum target, GLint level) const
+{
+ return IsDepthTexture(getFormat(target, level));
+}
+
+void TextureCubeMap::setImage(GLenum target, GLint level, GLsizei width, GLsizei height, GLenum format, GLenum type, GLint unpackAlignment, const void *pixels)
+{
+ int face = CubeFaceIndex(target);
+
+ if(image[face][level])
+ {
+ image[face][level]->release();
+ }
+
+ image[face][level] = new Image(resource, width, height, format, GL_UNSIGNED_BYTE);
+
+ if(!image[face][level])
+ {
+ return error(GL_OUT_OF_MEMORY);
+ }
+
+ image[face][level]->addRef();
+
+ Texture::setImage(format, type, unpackAlignment, pixels, image[face][level]);
+}
+
+void TextureCubeMap::copyImage(GLenum target, GLint level, GLenum format, GLint x, GLint y, GLsizei width, GLsizei height, Framebuffer *source)
+{
+ Image *renderTarget = source->getRenderTarget();
+
+ if(!renderTarget)
+ {
+ ERR("Failed to retrieve the render target.");
+ return error(GL_OUT_OF_MEMORY);
+ }
+
+ int face = CubeFaceIndex(target);
+
+ if(image[face][level])
+ {
+ image[face][level]->release();
+ }
+
+ image[face][level] = new Image(resource, width, height, format, GL_UNSIGNED_BYTE);
+
+ if(!image[face][level])
+ {
+ return error(GL_OUT_OF_MEMORY);
+ }
+
+ image[face][level]->addRef();
+
+ if(width != 0 && height != 0)
+ {
+ sw::Rect sourceRect = {x, y, x + width, y + height};
+ sourceRect.clip(0, 0, source->getColorbuffer()->getWidth(), source->getColorbuffer()->getHeight());
+
+ copy(renderTarget, sourceRect, format, 0, 0, image[face][level]);
+ }
+
+ renderTarget->release();
+}
+
+Image *TextureCubeMap::getImage(int face, unsigned int level)
+{
+ return image[face][level];
+}
+
+Image *TextureCubeMap::getImage(GLenum face, unsigned int level)
+{
+ return image[CubeFaceIndex(face)][level];
+}
+
+void TextureCubeMap::copySubImage(GLenum target, GLint level, GLint xoffset, GLint yoffset, GLint x, GLint y, GLsizei width, GLsizei height, Framebuffer *source)
+{
+ int face = CubeFaceIndex(target);
+
+ if(!image[face][level])
+ {
+ return error(GL_INVALID_OPERATION);
+ }
+
+ GLsizei size = image[face][level]->getWidth();
+
+ if(xoffset + width > size || yoffset + height > size)
+ {
+ return error(GL_INVALID_VALUE);
+ }
+
+ Image *renderTarget = source->getRenderTarget();
+
+ if(!renderTarget)
+ {
+ ERR("Failed to retrieve the render target.");
+ return error(GL_OUT_OF_MEMORY);
+ }
+
+ sw::Rect sourceRect = {x, y, x + width, y + height};
+ sourceRect.clip(0, 0, source->getColorbuffer()->getWidth(), source->getColorbuffer()->getHeight());
+
+ copy(renderTarget, sourceRect, image[face][level]->getFormat(), xoffset, yoffset, image[face][level]);
+
+ renderTarget->release();
+}
+
+void TextureCubeMap::generateMipmaps()
+{
+ if(!isCubeComplete())
+ {
+ return error(GL_INVALID_OPERATION);
+ }
+
+ unsigned int q = log2(image[0][0]->getWidth());
+
+ for(unsigned int f = 0; f < 6; f++)
+ {
+ for(unsigned int i = 1; i <= q; i++)
+ {
+ if(image[f][i])
+ {
+ image[f][i]->release();
+ }
+
+ image[f][i] = new Image(resource, std::max(image[0][0]->getWidth() >> i, 1), std::max(image[0][0]->getHeight() >> i, 1), image[0][0]->getFormat(), image[0][0]->getType());
+
+ if(!image[f][i])
+ {
+ return error(GL_OUT_OF_MEMORY);
+ }
+
+ image[f][i]->addRef();
+
+ getDevice()->stretchRect(image[f][i - 1], 0, image[f][i], 0, true);
+ }
+ }
+}
+
+Renderbuffer *TextureCubeMap::getRenderbuffer(GLenum target)
+{
+ if(!IsCubemapTextureTarget(target))
+ {
+ return error(GL_INVALID_OPERATION, (Renderbuffer *)NULL);
+ }
+
+ int face = CubeFaceIndex(target);
+
+ if(mFaceProxies[face] == NULL)
+ {
+ mFaceProxies[face] = new Renderbuffer(id(), new RenderbufferTextureCubeMap(this, target));
+ }
+
+ return mFaceProxies[face];
+}
+
+Image *TextureCubeMap::getRenderTarget(GLenum target)
+{
+ ASSERT(IsCubemapTextureTarget(target));
+
+ int face = CubeFaceIndex(target);
+
+ if(image[face][0])
+ {
+ image[face][0]->addRef();
+ }
+
+ return image[face][0];
+}
+
+}
+
+// Exported functions for use by EGL
+extern "C"
+{
+ gl::Image *createBackBuffer(int width, int height, const egl::Config *config)
+ {
+ if(config)
+ {
+ return new gl::Image(0, width, height, config->mAlphaSize ? GL_RGBA : GL_RGB, GL_UNSIGNED_BYTE);
+ }
+
+ return 0;
+ }
+}
\ No newline at end of file
diff --git a/src/GLES2/libGLESv2/Texture.h b/src/GLES2/libGLESv2/Texture.h
new file mode 100644
index 0000000..d62a537
--- /dev/null
+++ b/src/GLES2/libGLESv2/Texture.h
@@ -0,0 +1,229 @@
+// SwiftShader Software Renderer
+//
+// Copyright(c) 2005-2013 TransGaming Inc.
+//
+// All rights reserved. No part of this software may be copied, distributed, transmitted,
+// transcribed, stored in a retrieval system, translated into any human or computer
+// language by any means, or disclosed to third parties without the explicit written
+// agreement of TransGaming Inc. Without such an agreement, no rights or licenses, express
+// or implied, including but not limited to any patent rights, are granted to you.
+//
+
+// Texture.h: Defines the abstract Texture class and its concrete derived
+// classes Texture2D and TextureCubeMap. Implements GL texture objects and
+// related functionality. [OpenGL ES 2.0.24] section 3.7 page 63.
+
+#ifndef LIBGLESV2_TEXTURE_H_
+#define LIBGLESV2_TEXTURE_H_
+
+#include "Renderbuffer.h"
+#include "RefCountObject.h"
+#include "utilities.h"
+#include "common/debug.h"
+
+#define GL_APICALL
+#include <GLES2/gl2.h>
+
+#include <vector>
+
+namespace egl
+{
+class Surface;
+class Config;
+}
+
+namespace gl
+{
+class Framebuffer;
+
+enum
+{
+ IMPLEMENTATION_MAX_TEXTURE_LEVELS = MIPMAP_LEVELS,
+ IMPLEMENTATION_MAX_TEXTURE_SIZE = 1 << (MIPMAP_LEVELS - 1),
+ IMPLEMENTATION_MAX_CUBE_MAP_TEXTURE_SIZE = 1 << (MIPMAP_LEVELS - 1),
+ IMPLEMENTATION_MAX_RENDERBUFFER_SIZE = OUTLINE_RESOLUTION,
+ IMPLEMENTATION_MAX_SAMPLES = 4
+};
+
+class Texture : public RefCountObject
+{
+public:
+ explicit Texture(GLuint id);
+
+ virtual ~Texture();
+
+ sw::Resource *getResource() const;
+ virtual bool isTexture2D();
+ virtual bool isTextureCubeMap();
+
+ virtual void addProxyRef(const Renderbuffer *proxy) = 0;
+ virtual void releaseProxy(const Renderbuffer *proxy) = 0;
+
+ virtual GLenum getTarget() const = 0;
+
+ bool setMinFilter(GLenum filter);
+ bool setMagFilter(GLenum filter);
+ bool setWrapS(GLenum wrap);
+ bool setWrapT(GLenum wrap);
+ bool setMaxAnisotropy(GLfloat textureMaxAnisotropy);
+
+ GLenum getMinFilter() const;
+ GLenum getMagFilter() const;
+ GLenum getWrapS() const;
+ GLenum getWrapT() const;
+ GLfloat getMaxAnisotropy() const;
+
+ virtual GLsizei getWidth(GLenum target, GLint level) const = 0;
+ virtual GLsizei getHeight(GLenum target, GLint level) const = 0;
+ virtual GLenum getFormat(GLenum target, GLint level) const = 0;
+ virtual GLenum getType(GLenum target, GLint level) const = 0;
+ virtual sw::Format getInternalFormat(GLenum target, GLint level) const = 0;
+ virtual int getLevelCount() const = 0;
+
+ virtual bool isSamplerComplete() const = 0;
+ virtual bool isCompressed(GLenum target, GLint level) const = 0;
+ virtual bool isDepth(GLenum target, GLint level) const = 0;
+
+ virtual Renderbuffer *getRenderbuffer(GLenum target) = 0;
+ virtual Image *getRenderTarget(GLenum target) = 0;
+
+ virtual void generateMipmaps() = 0;
+ virtual void copySubImage(GLenum target, GLint level, GLint xoffset, GLint yoffset, GLint x, GLint y, GLsizei width, GLsizei height, Framebuffer *source) = 0;
+
+ static const GLuint INCOMPLETE_TEXTURE_ID = static_cast<GLuint>(-1); // Every texture takes an id at creation time. The value is arbitrary because it is never registered with the resource manager.
+
+protected:
+ void setImage(GLenum format, GLenum type, GLint unpackAlignment, const void *pixels, Image *image);
+ void subImage(GLint xoffset, GLint yoffset, GLsizei width, GLsizei height, GLenum format, GLenum type, GLint unpackAlignment, const void *pixels, Image *image);
+ void setCompressedImage(GLsizei imageSize, const void *pixels, Image *image);
+ void subImageCompressed(GLint xoffset, GLint yoffset, GLsizei width, GLsizei height, GLenum format, GLsizei imageSize, const void *pixels, Image *image);
+
+ bool copy(Image *source, const sw::Rect &sourceRect, GLenum destFormat, GLint xoffset, GLint yoffset, Image *dest);
+
+ bool isMipmapFiltered() const;
+
+ GLenum mMinFilter;
+ GLenum mMagFilter;
+ GLenum mWrapS;
+ GLenum mWrapT;
+ GLfloat mMaxAnisotropy;
+
+ sw::Resource *resource;
+};
+
+class Texture2D : public Texture
+{
+public:
+ explicit Texture2D(GLuint id);
+
+ ~Texture2D();
+
+ virtual bool isTexture2D();
+
+ void addProxyRef(const Renderbuffer *proxy);
+ void releaseProxy(const Renderbuffer *proxy);
+
+ virtual GLenum getTarget() const;
+
+ virtual GLsizei getWidth(GLenum target, GLint level) const;
+ virtual GLsizei getHeight(GLenum target, GLint level) const;
+ virtual GLenum getFormat(GLenum target, GLint level) const;
+ virtual GLenum getType(GLenum target, GLint level) const;
+ virtual sw::Format getInternalFormat(GLenum target, GLint level) const;
+ virtual int getLevelCount() const;
+
+ void setImage(GLint level, GLsizei width, GLsizei height, GLenum format, GLenum type, GLint unpackAlignment, const void *pixels);
+ void setCompressedImage(GLint level, GLenum format, GLsizei width, GLsizei height, GLsizei imageSize, const void *pixels);
+ void subImage(GLint level, GLint xoffset, GLint yoffset, GLsizei width, GLsizei height, GLenum format, GLenum type, GLint unpackAlignment, const void *pixels);
+ void subImageCompressed(GLint level, GLint xoffset, GLint yoffset, GLsizei width, GLsizei height, GLenum format, GLsizei imageSize, const void *pixels);
+ void copyImage(GLint level, GLenum format, GLint x, GLint y, GLsizei width, GLsizei height, Framebuffer *source);
+ void copySubImage(GLenum target, GLint level, GLint xoffset, GLint yoffset, GLint x, GLint y, GLsizei width, GLsizei height, Framebuffer *source);
+
+ virtual bool isSamplerComplete() const;
+ virtual bool isCompressed(GLenum target, GLint level) const;
+ virtual bool isDepth(GLenum target, GLint level) const;
+ virtual void bindTexImage(egl::Surface *surface);
+ virtual void releaseTexImage();
+
+ virtual void generateMipmaps();
+
+ virtual Image *getImage(unsigned int level);
+ virtual Renderbuffer *getRenderbuffer(GLenum target);
+ Image *getRenderTarget(GLenum target);
+
+private:
+ bool isMipmapComplete() const;
+
+ Image *image[IMPLEMENTATION_MAX_TEXTURE_LEVELS];
+
+ egl::Surface *mSurface;
+
+ // A specific internal reference count is kept for colorbuffer proxy references,
+ // because, as the renderbuffer acting as proxy will maintain a binding pointer
+ // back to this texture, there would be a circular reference if we used a binding
+ // pointer here. This reference count will cause the pointer to be set to NULL if
+ // the count drops to zero, but will not cause deletion of the Renderbuffer.
+ Renderbuffer *mColorbufferProxy;
+ unsigned int mProxyRefs;
+};
+
+class TextureCubeMap : public Texture
+{
+public:
+ explicit TextureCubeMap(GLuint id);
+
+ ~TextureCubeMap();
+
+ virtual bool isTextureCubeMap();
+
+ void addProxyRef(const Renderbuffer *proxy);
+ void releaseProxy(const Renderbuffer *proxy);
+
+ virtual GLenum getTarget() const;
+
+ virtual GLsizei getWidth(GLenum target, GLint level) const;
+ virtual GLsizei getHeight(GLenum target, GLint level) const;
+ virtual GLenum getFormat(GLenum target, GLint level) const;
+ virtual GLenum getType(GLenum target, GLint level) const;
+ virtual sw::Format getInternalFormat(GLenum target, GLint level) const;
+ virtual int getLevelCount() const;
+
+ void setImage(GLenum target, GLint level, GLsizei width, GLsizei height, GLenum format, GLenum type, GLint unpackAlignment, const void *pixels);
+ void setCompressedImage(GLenum target, GLint level, GLenum format, GLsizei width, GLsizei height, GLsizei imageSize, const void *pixels);
+
+ void subImage(GLenum target, GLint level, GLint xoffset, GLint yoffset, GLsizei width, GLsizei height, GLenum format, GLenum type, GLint unpackAlignment, const void *pixels);
+ void subImageCompressed(GLenum target, GLint level, GLint xoffset, GLint yoffset, GLsizei width, GLsizei height, GLenum format, GLsizei imageSize, const void *pixels);
+ void copyImage(GLenum target, GLint level, GLenum format, GLint x, GLint y, GLsizei width, GLsizei height, Framebuffer *source);
+ virtual void copySubImage(GLenum target, GLint level, GLint xoffset, GLint yoffset, GLint x, GLint y, GLsizei width, GLsizei height, Framebuffer *source);
+
+ virtual bool isSamplerComplete() const;
+ virtual bool isCompressed(GLenum target, GLint level) const;
+ virtual bool isDepth(GLenum target, GLint level) const;
+
+ virtual void generateMipmaps();
+
+ virtual Renderbuffer *getRenderbuffer(GLenum target);
+ virtual Image *getRenderTarget(GLenum target);
+
+ Image *getImage(int face, unsigned int level);
+
+private:
+ bool isCubeComplete() const;
+ bool isMipmapCubeComplete() const;
+
+ // face is one of the GL_TEXTURE_CUBE_MAP_* enumerants. Returns NULL on failure.
+ Image *getImage(GLenum face, unsigned int level);
+
+ Image *image[6][IMPLEMENTATION_MAX_TEXTURE_LEVELS];
+
+ // A specific internal reference count is kept for colorbuffer proxy references,
+ // because, as the renderbuffer acting as proxy will maintain a binding pointer
+ // back to this texture, there would be a circular reference if we used a binding
+ // pointer here. This reference count will cause the pointer to be set to NULL if
+ // the count drops to zero, but will not cause deletion of the Renderbuffer.
+ Renderbuffer *mFaceProxies[6];
+ unsigned int mFaceProxyRefs[6];
+};
+}
+
+#endif // LIBGLESV2_TEXTURE_H_
diff --git a/src/GLES2/libGLESv2/VertexDataManager.cpp b/src/GLES2/libGLESv2/VertexDataManager.cpp
new file mode 100644
index 0000000..ff88a6d
--- /dev/null
+++ b/src/GLES2/libGLESv2/VertexDataManager.cpp
@@ -0,0 +1,334 @@
+// SwiftShader Software Renderer
+//
+// Copyright(c) 2005-2012 TransGaming Inc.
+//
+// All rights reserved. No part of this software may be copied, distributed, transmitted,
+// transcribed, stored in a retrieval system, translated into any human or computer
+// language by any means, or disclosed to third parties without the explicit written
+// agreement of TransGaming Inc. Without such an agreement, no rights or licenses, express
+// or implied, including but not limited to any patent rights, are granted to you.
+//
+
+// VertexDataManager.h: Defines the VertexDataManager, a class that
+// runs the Buffer translation process.
+
+#include "VertexDataManager.h"
+
+#include "Buffer.h"
+#include "Program.h"
+#include "IndexDataManager.h"
+#include "common/debug.h"
+
+namespace
+{
+ enum {INITIAL_STREAM_BUFFER_SIZE = 1024 * 1024};
+}
+
+namespace gl
+{
+
+VertexDataManager::VertexDataManager(Context *context) : mContext(context)
+{
+ for(int i = 0; i < MAX_VERTEX_ATTRIBS; i++)
+ {
+ mDirtyCurrentValue[i] = true;
+ mCurrentValueBuffer[i] = NULL;
+ }
+
+ mStreamingBuffer = new StreamingVertexBuffer(INITIAL_STREAM_BUFFER_SIZE);
+
+ if(!mStreamingBuffer)
+ {
+ ERR("Failed to allocate the streaming vertex buffer.");
+ }
+}
+
+VertexDataManager::~VertexDataManager()
+{
+ delete mStreamingBuffer;
+
+ for(int i = 0; i < MAX_VERTEX_ATTRIBS; i++)
+ {
+ delete mCurrentValueBuffer[i];
+ }
+}
+
+unsigned int VertexDataManager::writeAttributeData(StreamingVertexBuffer *vertexBuffer, GLint start, GLsizei count, const VertexAttribute &attribute)
+{
+ Buffer *buffer = attribute.mBoundBuffer.get();
+
+ int inputStride = attribute.stride();
+ int elementSize = attribute.typeSize();
+ unsigned int streamOffset = 0;
+
+ char *output = NULL;
+
+ if(vertexBuffer)
+ {
+ output = (char*)vertexBuffer->map(attribute, attribute.typeSize() * count, &streamOffset);
+ }
+
+ if(output == NULL)
+ {
+ ERR("Failed to map vertex buffer.");
+ return -1;
+ }
+
+ const char *input = NULL;
+
+ if(buffer)
+ {
+ int offset = attribute.mOffset;
+
+ input = static_cast<const char*>(buffer->data()) + offset;
+ }
+ else
+ {
+ input = static_cast<const char*>(attribute.mPointer);
+ }
+
+ input += inputStride * start;
+
+ if(inputStride == elementSize)
+ {
+ memcpy(output, input, count * inputStride);
+ }
+ else
+ {
+ for(int i = 0; i < count; i++)
+ {
+ memcpy(output, input, elementSize);
+ output += elementSize;
+ input += inputStride;
+ }
+ }
+
+ vertexBuffer->unmap();
+
+ return streamOffset;
+}
+
+GLenum VertexDataManager::prepareVertexData(GLint start, GLsizei count, TranslatedAttribute *translated)
+{
+ if(!mStreamingBuffer)
+ {
+ return GL_OUT_OF_MEMORY;
+ }
+
+ const VertexAttributeArray &attribs = mContext->getVertexAttributes();
+ Program *program = mContext->getCurrentProgram();
+
+ // Determine the required storage size per used buffer
+ for(int i = 0; i < MAX_VERTEX_ATTRIBS; i++)
+ {
+ if(program->getAttributeStream(i) != -1 && attribs[i].mArrayEnabled)
+ {
+ if(!attribs[i].mBoundBuffer)
+ {
+ mStreamingBuffer->addRequiredSpace(attribs[i].typeSize() * count);
+ }
+ }
+ }
+
+ mStreamingBuffer->reserveRequiredSpace();
+
+ // Perform the vertex data translations
+ for(int i = 0; i < MAX_VERTEX_ATTRIBS; i++)
+ {
+ if(program->getAttributeStream(i) != -1)
+ {
+ if(attribs[i].mArrayEnabled)
+ {
+ Buffer *buffer = attribs[i].mBoundBuffer.get();
+
+ if(!buffer && attribs[i].mPointer == NULL)
+ {
+ // This is an application error that would normally result in a crash, but we catch it and return an error
+ ERR("An enabled vertex array has no buffer and no pointer.");
+ return GL_INVALID_OPERATION;
+ }
+
+ sw::Resource *staticBuffer = buffer ? buffer->getResource() : NULL;
+
+ if(staticBuffer)
+ {
+ translated[i].vertexBuffer = staticBuffer;
+ translated[i].offset = start * attribs[i].stride() + attribs[i].mOffset;
+ translated[i].stride = attribs[i].stride();
+ }
+ else
+ {
+ unsigned int streamOffset = writeAttributeData(mStreamingBuffer, start, count, attribs[i]);
+
+ if(streamOffset == -1)
+ {
+ return GL_OUT_OF_MEMORY;
+ }
+
+ translated[i].vertexBuffer = mStreamingBuffer->getResource();
+ translated[i].offset = streamOffset;
+ translated[i].stride = attribs[i].typeSize();
+ }
+
+ switch(attribs[i].mType)
+ {
+ case GL_BYTE: translated[i].type = sw::STREAMTYPE_SBYTE; break;
+ case GL_UNSIGNED_BYTE: translated[i].type = sw::STREAMTYPE_BYTE; break;
+ case GL_SHORT: translated[i].type = sw::STREAMTYPE_SHORT; break;
+ case GL_UNSIGNED_SHORT: translated[i].type = sw::STREAMTYPE_USHORT; break;
+ case GL_FIXED: translated[i].type = sw::STREAMTYPE_FIXED; break;
+ case GL_FLOAT: translated[i].type = sw::STREAMTYPE_FLOAT; break;
+ default: UNREACHABLE(); translated[i].type = sw::STREAMTYPE_FLOAT; break;
+ }
+
+ translated[i].count = attribs[i].mSize;
+ translated[i].normalized = attribs[i].mNormalized;
+ }
+ else
+ {
+ if(mDirtyCurrentValue[i])
+ {
+ delete mCurrentValueBuffer[i];
+ mCurrentValueBuffer[i] = new ConstantVertexBuffer(attribs[i].mCurrentValue[0], attribs[i].mCurrentValue[1], attribs[i].mCurrentValue[2], attribs[i].mCurrentValue[3]);
+ mDirtyCurrentValue[i] = false;
+ }
+
+ translated[i].vertexBuffer = mCurrentValueBuffer[i]->getResource();
+
+ translated[i].type = sw::STREAMTYPE_FLOAT;
+ translated[i].count = 4;
+ translated[i].stride = 0;
+ translated[i].offset = 0;
+ }
+ }
+ }
+
+ return GL_NO_ERROR;
+}
+
+VertexBuffer::VertexBuffer(unsigned int size) : mVertexBuffer(NULL)
+{
+ if(size > 0)
+ {
+ mVertexBuffer = new sw::Resource(size + 1024);
+
+ if(!mVertexBuffer)
+ {
+ ERR("Out of memory allocating a vertex buffer of size %lu.", size);
+ }
+ }
+}
+
+VertexBuffer::~VertexBuffer()
+{
+ if(mVertexBuffer)
+ {
+ mVertexBuffer->destruct();
+ }
+}
+
+void VertexBuffer::unmap()
+{
+ if(mVertexBuffer)
+ {
+ mVertexBuffer->unlock();
+ }
+}
+
+sw::Resource *VertexBuffer::getResource() const
+{
+ return mVertexBuffer;
+}
+
+ConstantVertexBuffer::ConstantVertexBuffer(float x, float y, float z, float w) : VertexBuffer(4 * sizeof(float))
+{
+ if(mVertexBuffer)
+ {
+ float *vector = (float*)mVertexBuffer->lock(sw::PUBLIC);
+
+ vector[0] = x;
+ vector[1] = y;
+ vector[2] = z;
+ vector[3] = w;
+
+ mVertexBuffer->unlock();
+ }
+}
+
+ConstantVertexBuffer::~ConstantVertexBuffer()
+{
+}
+
+StreamingVertexBuffer::StreamingVertexBuffer(unsigned int size) : VertexBuffer(size)
+{
+ mBufferSize = size;
+ mWritePosition = 0;
+ mRequiredSpace = 0;
+}
+
+StreamingVertexBuffer::~StreamingVertexBuffer()
+{
+}
+
+void StreamingVertexBuffer::addRequiredSpace(unsigned int requiredSpace)
+{
+ mRequiredSpace += requiredSpace;
+}
+
+void *StreamingVertexBuffer::map(const VertexAttribute &attribute, unsigned int requiredSpace, unsigned int *offset)
+{
+ void *mapPtr = NULL;
+
+ if(mVertexBuffer)
+ {
+ mapPtr = (char*)mVertexBuffer->lock(sw::PUBLIC) + mWritePosition;
+
+ if(!mapPtr)
+ {
+ ERR("Lock failed");
+ return NULL;
+ }
+
+ *offset = mWritePosition;
+ mWritePosition += requiredSpace;
+ }
+
+ return mapPtr;
+}
+
+void StreamingVertexBuffer::reserveRequiredSpace()
+{
+ if(mRequiredSpace > mBufferSize)
+ {
+ if(mVertexBuffer)
+ {
+ mVertexBuffer->destruct();
+ mVertexBuffer = 0;
+ }
+
+ mBufferSize = std::max(mRequiredSpace, 3 * mBufferSize / 2); // 1.5 x mBufferSize is arbitrary and should be checked to see we don't have too many reallocations.
+
+ mVertexBuffer = new sw::Resource(mBufferSize);
+
+ if(!mVertexBuffer)
+ {
+ ERR("Out of memory allocating a vertex buffer of size %lu.", mBufferSize);
+ }
+
+ mWritePosition = 0;
+ }
+ else if(mWritePosition + mRequiredSpace > mBufferSize) // Recycle
+ {
+ if(mVertexBuffer)
+ {
+ mVertexBuffer->destruct();
+ mVertexBuffer = new sw::Resource(mBufferSize);
+ }
+
+ mWritePosition = 0;
+ }
+
+ mRequiredSpace = 0;
+}
+
+}
diff --git a/src/GLES2/libGLESv2/VertexDataManager.h b/src/GLES2/libGLESv2/VertexDataManager.h
new file mode 100644
index 0000000..8800219
--- /dev/null
+++ b/src/GLES2/libGLESv2/VertexDataManager.h
@@ -0,0 +1,99 @@
+// SwiftShader Software Renderer
+//
+// Copyright(c) 2005-2012 TransGaming Inc.
+//
+// All rights reserved. No part of this software may be copied, distributed, transmitted,
+// transcribed, stored in a retrieval system, translated into any human or computer
+// language by any means, or disclosed to third parties without the explicit written
+// agreement of TransGaming Inc. Without such an agreement, no rights or licenses, express
+// or implied, including but not limited to any patent rights, are granted to you.
+//
+
+// VertexDataManager.h: Defines the VertexDataManager, a class that
+// runs the Buffer translation process.
+
+#ifndef LIBGLESV2_VERTEXDATAMANAGER_H_
+#define LIBGLESV2_VERTEXDATAMANAGER_H_
+
+#include "Context.h"
+#include "Device.hpp"
+
+#define GL_APICALL
+#include <GLES2/gl2.h>
+
+namespace gl
+{
+
+struct TranslatedAttribute
+{
+ sw::StreamType type;
+ int count;
+ bool normalized;
+
+ unsigned int offset;
+ unsigned int stride; // 0 means not to advance the read pointer at all
+
+ sw::Resource *vertexBuffer;
+};
+
+class VertexBuffer
+{
+ public:
+ VertexBuffer(unsigned int size);
+ virtual ~VertexBuffer();
+
+ void unmap();
+
+ sw::Resource *getResource() const;
+
+ protected:
+ sw::Resource *mVertexBuffer;
+};
+
+class ConstantVertexBuffer : public VertexBuffer
+{
+ public:
+ ConstantVertexBuffer(float x, float y, float z, float w);
+ ~ConstantVertexBuffer();
+};
+
+class StreamingVertexBuffer : public VertexBuffer
+{
+ public:
+ StreamingVertexBuffer(unsigned int size);
+ ~StreamingVertexBuffer();
+
+ void *map(const VertexAttribute &attribute, unsigned int requiredSpace, unsigned int *streamOffset);
+ void reserveRequiredSpace();
+ void addRequiredSpace(unsigned int requiredSpace);
+
+ protected:
+ unsigned int mBufferSize;
+ unsigned int mWritePosition;
+ unsigned int mRequiredSpace;
+};
+
+class VertexDataManager
+{
+ public:
+ VertexDataManager(Context *context);
+ virtual ~VertexDataManager();
+
+ void dirtyCurrentValue(int index) { mDirtyCurrentValue[index] = true; }
+
+ GLenum prepareVertexData(GLint start, GLsizei count, TranslatedAttribute *outAttribs);
+
+ private:
+ unsigned int writeAttributeData(StreamingVertexBuffer *vertexBuffer, GLint start, GLsizei count, const VertexAttribute &attribute);
+
+ Context *const mContext;
+
+ StreamingVertexBuffer *mStreamingBuffer;
+
+ bool mDirtyCurrentValue[MAX_VERTEX_ATTRIBS];
+ ConstantVertexBuffer *mCurrentValueBuffer[MAX_VERTEX_ATTRIBS];
+};
+
+}
+
+#endif // LIBGLESV2_VERTEXDATAMANAGER_H_
diff --git a/src/GLES2/libGLESv2/exports.map b/src/GLES2/libGLESv2/exports.map
new file mode 100644
index 0000000..7d08ed0
--- /dev/null
+++ b/src/GLES2/libGLESv2/exports.map
@@ -0,0 +1,186 @@
+{
+global:
+ glActiveTexture;
+ glAttachShader;
+ glBindAttribLocation;
+ glBindBuffer;
+ glBindFramebuffer;
+ glBindRenderbuffer;
+ glBindTexture;
+ glBlendColor;
+ glBlendEquation;
+ glBlendEquationSeparate;
+ glBlendFunc;
+ glBlendFuncSeparate;
+ glBufferData;
+ glBufferSubData;
+ glCheckFramebufferStatus;
+ glClear;
+ glClearColor;
+ glClearDepthf;
+ glClearStencil;
+ glColorMask;
+ glCompileShader;
+ glCompressedTexImage2D;
+ glCompressedTexSubImage2D;
+ glCopyTexImage2D;
+ glCopyTexSubImage2D;
+ glCreateProgram;
+ glCreateShader;
+ glCullFace;
+ glDeleteBuffers;
+ glDeleteFramebuffers;
+ glDeleteProgram;
+ glDeleteRenderbuffers;
+ glDeleteShader;
+ glDeleteTextures;
+ glDepthFunc;
+ glDepthMask;
+ glDepthRangef;
+ glDetachShader;
+ glDisable;
+ glDisableVertexAttribArray;
+ glDrawArrays;
+ glDrawElements;
+ glEnable;
+ glEnableVertexAttribArray;
+ glFinish;
+ glFlush;
+ glFramebufferRenderbuffer;
+ glFramebufferTexture2D;
+ glFrontFace;
+ glGenBuffers;
+ glGenFramebuffers;
+ glGenRenderbuffers;
+ glGenTextures;
+ glGenerateMipmap;
+ glGetActiveAttrib;
+ glGetActiveUniform;
+ glGetAttachedShaders;
+ glGetAttribLocation;
+ glGetBooleanv;
+ glGetBufferParameteriv;
+ glGetError;
+ glGetFloatv;
+ glGetFramebufferAttachmentParameteriv;
+ glGetIntegerv;
+ glGetProgramInfoLog;
+ glGetProgramiv;
+ glGetRenderbufferParameteriv;
+ glGetShaderInfoLog;
+ glGetShaderPrecisionFormat;
+ glGetShaderSource;
+ glGetShaderiv;
+ glGetString;
+ glGetTexParameterfv;
+ glGetTexParameteriv;
+ glGetUniformLocation;
+ glGetUniformfv;
+ glGetUniformiv;
+ glGetVertexAttribPointerv;
+ glGetVertexAttribfv;
+ glGetVertexAttribiv;
+ glHint;
+ glIsBuffer;
+ glIsEnabled;
+ glIsFramebuffer;
+ glIsProgram;
+ glIsRenderbuffer;
+ glIsShader;
+ glIsTexture;
+ glLineWidth;
+ glLinkProgram;
+ glPixelStorei;
+ glPolygonOffset;
+ glReadPixels;
+ glReleaseShaderCompiler;
+ glRenderbufferStorage;
+ glSampleCoverage;
+ glScissor;
+ glShaderBinary;
+ glShaderSource;
+ glStencilFunc;
+ glStencilFuncSeparate;
+ glStencilMask;
+ glStencilMaskSeparate;
+ glStencilOp;
+ glStencilOpSeparate;
+ glTexImage2D;
+ glTexParameterf;
+ glTexParameterfv;
+ glTexParameteri;
+ glTexParameteriv;
+ glTexSubImage2D;
+ glUniform1f;
+ glUniform1fv;
+ glUniform1i;
+ glUniform1iv;
+ glUniform2f;
+ glUniform2fv;
+ glUniform2i;
+ glUniform2iv;
+ glUniform3f;
+ glUniform3fv;
+ glUniform3i;
+ glUniform3iv;
+ glUniform4f;
+ glUniform4fv;
+ glUniform4i;
+ glUniform4iv;
+ glUniformMatrix2fv;
+ glUniformMatrix3fv;
+ glUniformMatrix4fv;
+ glUseProgram;
+ glValidateProgram;
+ glVertexAttrib1f;
+ glVertexAttrib1fv;
+ glVertexAttrib2f;
+ glVertexAttrib2fv;
+ glVertexAttrib3f;
+ glVertexAttrib3fv;
+ glVertexAttrib4f;
+ glVertexAttrib4fv;
+ glVertexAttribPointer;
+ glViewport;
+
+ # Extensions
+ glTexImage3DOES;
+ glBlitFramebufferANGLE;
+ glRenderbufferStorageMultisampleANGLE;
+ glDeleteFencesNV;
+ glFinishFenceNV;
+ glGenFencesNV;
+ glGetFenceivNV;
+ glIsFenceNV;
+ glSetFenceNV;
+ glTestFenceNV;
+ glGetGraphicsResetStatusEXT;
+ glReadnPixelsEXT;
+ glGetnUniformfvEXT;
+ glGetnUniformivEXT;
+ glGenQueriesEXT;
+ glDeleteQueriesEXT;
+ glIsQueryEXT;
+ glBeginQueryEXT;
+ glEndQueryEXT;
+ glGetQueryivEXT;
+ glGetQueryObjectuivEXT;
+
+ # EGL dependencies
+ glCreateContext;
+ glDestroyContext;
+ glMakeCurrent;
+ glGetCurrentContext;
+ glGetProcAddress;
+ glBindTexImage;
+
+ createFrameBuffer;
+ createBackBuffer;
+ createDevice;
+
+ Register;
+
+local:
+ *;
+};
+
diff --git a/src/GLES2/libGLESv2/libGLESv2.cbp b/src/GLES2/libGLESv2/libGLESv2.cbp
new file mode 100644
index 0000000..8f5d976
--- /dev/null
+++ b/src/GLES2/libGLESv2/libGLESv2.cbp
@@ -0,0 +1,369 @@
+<?xml version="1.0" encoding="UTF-8" standalone="yes" ?>
+<CodeBlocks_project_file>
+ <FileVersion major="1" minor="6" />
+ <Project>
+ <Option title="libGLESv2" />
+ <Option pch_mode="2" />
+ <Option compiler="gcc" />
+ <Build>
+ <Target title="Debug x86">
+ <Option output="./../../bin/x86/Debug/libGLESv2.so" prefix_auto="0" extension_auto="0" />
+ <Option object_output="obj/x86/Debug/" />
+ <Option type="3" />
+ <Option compiler="gcc" />
+ <Option createDefFile="1" />
+ <Option createStaticLib="1" />
+ <Compiler>
+ <Add option="-g" />
+ <Add option="-m32" />
+ </Compiler>
+ <Linker>
+ <Add option="-m32" />
+ <Add library="./../../LLVM/bin/x86/Debug/libLLVM.a" />
+ </Linker>
+ </Target>
+ <Target title="Release x86">
+ <Option output="./../../bin/x86/Release/libGLESv2.so" prefix_auto="0" extension_auto="0" />
+ <Option object_output="obj/x86/Release/" />
+ <Option type="3" />
+ <Option compiler="gcc" />
+ <Option createDefFile="1" />
+ <Option createStaticLib="1" />
+ <Compiler>
+ <Add option="-march=i686" />
+ <Add option="-fomit-frame-pointer" />
+ <Add option="-O2" />
+ <Add option="-m32" />
+ <Add option="-ffunction-sections" />
+ <Add option="-fdata-sections" />
+ <Add option="-DNDEBUG" />
+ <Add option="-DANGLE_DISABLE_TRACE" />
+ </Compiler>
+ <Linker>
+ <Add option="-s" />
+ <Add option="-m32" />
+ <Add option="-Wl,--gc-sections" />
+ <Add library="./../../LLVM/bin/x86/Release/libLLVM.a" />
+ </Linker>
+ </Target>
+ <Target title="Debug x64">
+ <Option output="./../../bin/x64/Debug/libGLESv2.so" prefix_auto="0" extension_auto="0" />
+ <Option object_output="obj/x64/Debug/" />
+ <Option type="3" />
+ <Option compiler="gcc" />
+ <Option createDefFile="1" />
+ <Option createStaticLib="1" />
+ <Compiler>
+ <Add option="-g" />
+ <Add option="-m64" />
+ <Add option="-fPIC" />
+ </Compiler>
+ <Linker>
+ <Add option="-m64" />
+ <Add library="./../../LLVM/bin/x64/Debug/libLLVM.a" />
+ </Linker>
+ </Target>
+ <Target title="Release x64">
+ <Option output="./../../bin/x64/Release/libGLESv2.so" prefix_auto="0" extension_auto="0" />
+ <Option object_output="obj/x64/Release/" />
+ <Option type="3" />
+ <Option compiler="gcc" />
+ <Option createDefFile="1" />
+ <Option createStaticLib="1" />
+ <Compiler>
+ <Add option="-march=core2" />
+ <Add option="-fomit-frame-pointer" />
+ <Add option="-O2" />
+ <Add option="-m64" />
+ <Add option="-fPIC" />
+ <Add option="-ffunction-sections" />
+ <Add option="-fdata-sections" />
+ <Add option="-DNDEBUG" />
+ <Add option="-DANGLE_DISABLE_TRACE" />
+ </Compiler>
+ <Linker>
+ <Add option="-s" />
+ <Add option="-m64" />
+ <Add option="-Wl,--gc-sections" />
+ <Add library="./../../LLVM/bin/x64/Release/libLLVM.a" />
+ </Linker>
+ </Target>
+ </Build>
+ <Compiler>
+ <Add option="-Wall" />
+ <Add option="-fexceptions" />
+ <Add option="-fno-operator-names" />
+ <Add option="-ffriend-injection" />
+ <Add option="-msse2" />
+ <Add option="-D__STDC_LIMIT_MACROS" />
+ <Add option="-D__STDC_CONSTANT_MACROS" />
+ <Add directory="./../" />
+ <Add directory="./../include/" />
+ <Add directory="./../../" />
+ <Add directory="./../../LLVM/include-linux/" />
+ <Add directory="./../../LLVM/include/" />
+ <Add directory="./../../LLVM/lib/Target/X86" />
+ <Add directory="./../../Renderer/" />
+ <Add directory="./../../Common/" />
+ <Add directory="./../../Shader/" />
+ <Add directory="./../../Main/" />
+ </Compiler>
+ <Linker>
+ <Add option="-Wl,--version-script=./exports.map" />
+ <Add library="pthread" />
+ <Add library="X11" />
+ <Add library="Xext" />
+ </Linker>
+ <Unit filename="./../../Common/CPUID.cpp" />
+ <Unit filename="./../../Common/CPUID.hpp" />
+ <Unit filename="./../../Common/Configurator.cpp" />
+ <Unit filename="./../../Common/Configurator.hpp" />
+ <Unit filename="./../../Common/Debug.cpp" />
+ <Unit filename="./../../Common/Debug.hpp" />
+ <Unit filename="./../../Common/ExceptionHandling.hpp" />
+ <Unit filename="./../../Common/Half.cpp" />
+ <Unit filename="./../../Common/Half.hpp" />
+ <Unit filename="./../../Common/Math.cpp" />
+ <Unit filename="./../../Common/Math.hpp" />
+ <Unit filename="./../../Common/Memory.cpp" />
+ <Unit filename="./../../Common/Memory.hpp" />
+ <Unit filename="./../../Common/MetaMacro.hpp" />
+ <Unit filename="./../../Common/MutexLock.hpp" />
+ <Unit filename="./../../Common/Resource.cpp" />
+ <Unit filename="./../../Common/Resource.hpp" />
+ <Unit filename="./../../Common/Socket.cpp" />
+ <Unit filename="./../../Common/Socket.hpp" />
+ <Unit filename="./../../Common/Thread.cpp" />
+ <Unit filename="./../../Common/Thread.hpp" />
+ <Unit filename="./../../Common/Timer.cpp" />
+ <Unit filename="./../../Common/Timer.hpp" />
+ <Unit filename="./../../Common/Types.hpp" />
+ <Unit filename="./../../Common/Version.h" />
+ <Unit filename="./../common/debug.cpp" />
+ <Unit filename="./../common/debug.h" />
+ <Unit filename="../compiler/BaseTypes.h" />
+ <Unit filename="../compiler/Common.h" />
+ <Unit filename="../compiler/Compiler.cpp" />
+ <Unit filename="../compiler/ConstantUnion.h" />
+ <Unit filename="../compiler/DetectRecursion.cpp" />
+ <Unit filename="../compiler/DetectRecursion.h" />
+ <Unit filename="../compiler/Diagnostics.cpp" />
+ <Unit filename="../compiler/Diagnostics.h" />
+ <Unit filename="../compiler/DirectiveHandler.cpp" />
+ <Unit filename="../compiler/DirectiveHandler.h" />
+ <Unit filename="../compiler/ExtensionBehavior.h" />
+ <Unit filename="../compiler/InfoSink.cpp" />
+ <Unit filename="../compiler/InfoSink.h" />
+ <Unit filename="../compiler/Initialize.cpp" />
+ <Unit filename="../compiler/Initialize.h" />
+ <Unit filename="../compiler/InitializeDll.cpp" />
+ <Unit filename="../compiler/InitializeDll.h" />
+ <Unit filename="../compiler/InitializeGlobals.h" />
+ <Unit filename="../compiler/InitializeParseContext.cpp" />
+ <Unit filename="../compiler/InitializeParseContext.h" />
+ <Unit filename="../compiler/IntermTraverse.cpp" />
+ <Unit filename="../compiler/Intermediate.cpp" />
+ <Unit filename="../compiler/MMap.h" />
+ <Unit filename="../compiler/OutputASM.cpp" />
+ <Unit filename="../compiler/OutputASM.h" />
+ <Unit filename="../compiler/ParseHelper.cpp" />
+ <Unit filename="../compiler/ParseHelper.h" />
+ <Unit filename="../compiler/PoolAlloc.cpp" />
+ <Unit filename="../compiler/PoolAlloc.h" />
+ <Unit filename="../compiler/Pragma.h" />
+ <Unit filename="../compiler/QualifierAlive.cpp" />
+ <Unit filename="../compiler/QualifierAlive.h" />
+ <Unit filename="../compiler/RemoveTree.cpp" />
+ <Unit filename="../compiler/RemoveTree.h" />
+ <Unit filename="../compiler/ShHandle.h" />
+ <Unit filename="../compiler/ShaderLang.cpp" />
+ <Unit filename="../compiler/SymbolTable.cpp" />
+ <Unit filename="../compiler/SymbolTable.h" />
+ <Unit filename="../compiler/TranslatorASM.cpp" />
+ <Unit filename="../compiler/TranslatorASM.h" />
+ <Unit filename="../compiler/Types.h" />
+ <Unit filename="../compiler/ValidateLimitations.cpp" />
+ <Unit filename="../compiler/ValidateLimitations.h" />
+ <Unit filename="../compiler/VariableInfo.cpp" />
+ <Unit filename="../compiler/VariableInfo.h" />
+ <Unit filename="../compiler/debug.cpp" />
+ <Unit filename="../compiler/debug.h" />
+ <Unit filename="../compiler/glslang.h" />
+ <Unit filename="../compiler/glslang_lex.cpp" />
+ <Unit filename="../compiler/glslang_tab.cpp" />
+ <Unit filename="../compiler/glslang_tab.h" />
+ <Unit filename="../compiler/intermOut.cpp" />
+ <Unit filename="../compiler/intermediate.h" />
+ <Unit filename="../compiler/localintermediate.h" />
+ <Unit filename="../compiler/osinclude.h" />
+ <Unit filename="../compiler/ossource_posix.cpp" />
+ <Unit filename="../compiler/parseConst.cpp" />
+ <Unit filename="../compiler/preprocessor/Diagnostics.cpp" />
+ <Unit filename="../compiler/preprocessor/Diagnostics.h" />
+ <Unit filename="../compiler/preprocessor/DirectiveHandler.cpp" />
+ <Unit filename="../compiler/preprocessor/DirectiveHandler.h" />
+ <Unit filename="../compiler/preprocessor/DirectiveParser.cpp" />
+ <Unit filename="../compiler/preprocessor/DirectiveParser.h" />
+ <Unit filename="../compiler/preprocessor/ExpressionParser.cpp" />
+ <Unit filename="../compiler/preprocessor/ExpressionParser.h" />
+ <Unit filename="../compiler/preprocessor/Input.cpp" />
+ <Unit filename="../compiler/preprocessor/Input.h" />
+ <Unit filename="../compiler/preprocessor/Lexer.cpp" />
+ <Unit filename="../compiler/preprocessor/Lexer.h" />
+ <Unit filename="../compiler/preprocessor/Macro.cpp" />
+ <Unit filename="../compiler/preprocessor/Macro.h" />
+ <Unit filename="../compiler/preprocessor/MacroExpander.cpp" />
+ <Unit filename="../compiler/preprocessor/MacroExpander.h" />
+ <Unit filename="../compiler/preprocessor/Preprocessor.cpp" />
+ <Unit filename="../compiler/preprocessor/Preprocessor.h" />
+ <Unit filename="../compiler/preprocessor/SourceLocation.h" />
+ <Unit filename="../compiler/preprocessor/Token.cpp" />
+ <Unit filename="../compiler/preprocessor/Token.h" />
+ <Unit filename="../compiler/preprocessor/Tokenizer.cpp" />
+ <Unit filename="../compiler/preprocessor/Tokenizer.h" />
+ <Unit filename="../compiler/preprocessor/length_limits.h" />
+ <Unit filename="../compiler/preprocessor/numeric_lex.h" />
+ <Unit filename="../compiler/preprocessor/pp_utils.h" />
+ <Unit filename="../compiler/util.cpp" />
+ <Unit filename="../compiler/util.h" />
+ <Unit filename="./../include/EGL/egl.h" />
+ <Unit filename="./../include/EGL/eglext.h" />
+ <Unit filename="./../include/EGL/eglplatform.h" />
+ <Unit filename="./../include/GLES2/gl2.h" />
+ <Unit filename="./../include/GLES2/gl2ext.h" />
+ <Unit filename="./../include/GLES2/gl2platform.h" />
+ <Unit filename="./../include/GLSLANG/ShaderLang.h" />
+ <Unit filename="./../include/KHR/khrplatform.h" />
+ <Unit filename="./../libGLESv2/Buffer.cpp" />
+ <Unit filename="./../libGLESv2/Buffer.h" />
+ <Unit filename="./../libGLESv2/Context.cpp" />
+ <Unit filename="./../libGLESv2/Context.h" />
+ <Unit filename="./../libGLESv2/Device.cpp" />
+ <Unit filename="./../libGLESv2/Device.hpp" />
+ <Unit filename="./../libGLESv2/Fence.cpp" />
+ <Unit filename="./../libGLESv2/Fence.h" />
+ <Unit filename="./../libGLESv2/Framebuffer.cpp" />
+ <Unit filename="./../libGLESv2/Framebuffer.h" />
+ <Unit filename="./../libGLESv2/HandleAllocator.cpp" />
+ <Unit filename="./../libGLESv2/HandleAllocator.h" />
+ <Unit filename="./../libGLESv2/Image.cpp" />
+ <Unit filename="./../libGLESv2/Image.hpp" />
+ <Unit filename="./../libGLESv2/IndexDataManager.cpp" />
+ <Unit filename="./../libGLESv2/IndexDataManager.h" />
+ <Unit filename="./../libGLESv2/Program.cpp" />
+ <Unit filename="./../libGLESv2/Program.h" />
+ <Unit filename="./../libGLESv2/Query.cpp" />
+ <Unit filename="./../libGLESv2/Query.h" />
+ <Unit filename="./../libGLESv2/RefCountObject.cpp" />
+ <Unit filename="./../libGLESv2/RefCountObject.h" />
+ <Unit filename="./../libGLESv2/Renderbuffer.cpp" />
+ <Unit filename="./../libGLESv2/Renderbuffer.h" />
+ <Unit filename="./../libGLESv2/ResourceManager.cpp" />
+ <Unit filename="./../libGLESv2/ResourceManager.h" />
+ <Unit filename="./../libGLESv2/Shader.cpp" />
+ <Unit filename="./../libGLESv2/Shader.h" />
+ <Unit filename="./../libGLESv2/Texture.cpp" />
+ <Unit filename="./../libGLESv2/Texture.h" />
+ <Unit filename="./../libGLESv2/Unknown.hpp" />
+ <Unit filename="./../libGLESv2/VertexDataManager.cpp" />
+ <Unit filename="./../libGLESv2/VertexDataManager.h" />
+ <Unit filename="./../libGLESv2/libGLESv2.cpp" />
+ <Unit filename="./../libGLESv2/main.cpp" />
+ <Unit filename="./../libGLESv2/main.h" />
+ <Unit filename="./../libGLESv2/mathutil.h" />
+ <Unit filename="./../libGLESv2/resource.h" />
+ <Unit filename="./../libGLESv2/utilities.cpp" />
+ <Unit filename="./../libGLESv2/utilities.h" />
+ <Unit filename="./../libGLESv2/vertexconversion.h" />
+ <Unit filename="./../../Main/Config.cpp" />
+ <Unit filename="./../../Main/Config.hpp" />
+ <Unit filename="./../../Main/FrameBuffer.cpp" />
+ <Unit filename="./../../Main/FrameBuffer.hpp" />
+ <Unit filename="./../../Main/FrameBufferX11.cpp" />
+ <Unit filename="./../../Main/FrameBufferX11.hpp" />
+ <Unit filename="./../../Main/Logo.cpp" />
+ <Unit filename="./../../Main/Register.cpp" />
+ <Unit filename="./../../Main/Register.hpp" />
+ <Unit filename="./../../Main/SwiftConfig.cpp" />
+ <Unit filename="./../../Main/SwiftConfig.hpp" />
+ <Unit filename="./../../Main/crc.c">
+ <Option compilerVar="CC" />
+ </Unit>
+ <Unit filename="./../../Main/crc.h" />
+ <Unit filename="./../../Main/serialcommon.h" />
+ <Unit filename="./../../Main/serialvalid.cpp" />
+ <Unit filename="./../../Main/serialvalid.h" />
+ <Unit filename="./../../Reactor/MemoryManager.cpp" />
+ <Unit filename="./../../Reactor/MemoryManager.hpp" />
+ <Unit filename="./../../Reactor/Nucleus.cpp" />
+ <Unit filename="./../../Reactor/Nucleus.hpp" />
+ <Unit filename="./../../Reactor/Reactor.hpp" />
+ <Unit filename="./../../Reactor/x86.hpp" />
+ <Unit filename="./../../Renderer/Blitter.cpp" />
+ <Unit filename="./../../Renderer/Blitter.hpp" />
+ <Unit filename="./../../Renderer/Clipper.cpp" />
+ <Unit filename="./../../Renderer/Clipper.hpp" />
+ <Unit filename="./../../Renderer/Color.cpp" />
+ <Unit filename="./../../Renderer/Color.hpp" />
+ <Unit filename="./../../Renderer/Context.cpp" />
+ <Unit filename="./../../Renderer/Context.hpp" />
+ <Unit filename="./../../Renderer/LRUCache.hpp" />
+ <Unit filename="./../../Renderer/Matrix.cpp" />
+ <Unit filename="./../../Renderer/Matrix.hpp" />
+ <Unit filename="./../../Renderer/PixelProcessor.cpp" />
+ <Unit filename="./../../Renderer/PixelProcessor.hpp" />
+ <Unit filename="./../../Renderer/Plane.cpp" />
+ <Unit filename="./../../Renderer/Plane.hpp" />
+ <Unit filename="./../../Renderer/Point.cpp" />
+ <Unit filename="./../../Renderer/Point.hpp" />
+ <Unit filename="./../../Renderer/Polygon.hpp" />
+ <Unit filename="./../../Renderer/Primitive.hpp" />
+ <Unit filename="./../../Renderer/QuadRasterizer.cpp" />
+ <Unit filename="./../../Renderer/QuadRasterizer.hpp" />
+ <Unit filename="./../../Renderer/Rasterizer.cpp" />
+ <Unit filename="./../../Renderer/Rasterizer.hpp" />
+ <Unit filename="./../../Renderer/Renderer.cpp" />
+ <Unit filename="./../../Renderer/Renderer.hpp" />
+ <Unit filename="./../../Renderer/Sampler.cpp" />
+ <Unit filename="./../../Renderer/Sampler.hpp" />
+ <Unit filename="./../../Renderer/SetupProcessor.cpp" />
+ <Unit filename="./../../Renderer/SetupProcessor.hpp" />
+ <Unit filename="./../../Renderer/Stream.hpp" />
+ <Unit filename="./../../Renderer/Surface.cpp" />
+ <Unit filename="./../../Renderer/Surface.hpp" />
+ <Unit filename="./../../Renderer/TextureStage.cpp" />
+ <Unit filename="./../../Renderer/TextureStage.hpp" />
+ <Unit filename="./../../Renderer/Triangle.hpp" />
+ <Unit filename="./../../Renderer/Vector.cpp" />
+ <Unit filename="./../../Renderer/Vector.hpp" />
+ <Unit filename="./../../Renderer/Vertex.hpp" />
+ <Unit filename="./../../Renderer/VertexProcessor.cpp" />
+ <Unit filename="./../../Renderer/VertexProcessor.hpp" />
+ <Unit filename="./../../Shader/Constants.cpp" />
+ <Unit filename="./../../Shader/Constants.hpp" />
+ <Unit filename="./../../Shader/PixelRoutine.cpp" />
+ <Unit filename="./../../Shader/PixelRoutine.hpp" />
+ <Unit filename="./../../Shader/PixelShader.cpp" />
+ <Unit filename="./../../Shader/PixelShader.hpp" />
+ <Unit filename="./../../Shader/SamplerCore.cpp" />
+ <Unit filename="./../../Shader/SamplerCore.hpp" />
+ <Unit filename="./../../Shader/SetupRoutine.cpp" />
+ <Unit filename="./../../Shader/SetupRoutine.hpp" />
+ <Unit filename="./../../Shader/Shader.cpp" />
+ <Unit filename="./../../Shader/Shader.hpp" />
+ <Unit filename="./../../Shader/ShaderCore.cpp" />
+ <Unit filename="./../../Shader/ShaderCore.hpp" />
+ <Unit filename="./../../Shader/VertexPipeline.cpp" />
+ <Unit filename="./../../Shader/VertexPipeline.hpp" />
+ <Unit filename="./../../Shader/VertexProgram.cpp" />
+ <Unit filename="./../../Shader/VertexProgram.hpp" />
+ <Unit filename="./../../Shader/VertexRoutine.cpp" />
+ <Unit filename="./../../Shader/VertexRoutine.hpp" />
+ <Unit filename="./../../Shader/VertexShader.cpp" />
+ <Unit filename="./../../Shader/VertexShader.hpp" />
+ <Extensions>
+ <code_completion />
+ <debugger />
+ </Extensions>
+ </Project>
+</CodeBlocks_project_file>
diff --git a/src/GLES2/libGLESv2/libGLESv2.cpp b/src/GLES2/libGLESv2/libGLESv2.cpp
new file mode 100644
index 0000000..0448330
--- /dev/null
+++ b/src/GLES2/libGLESv2/libGLESv2.cpp
@@ -0,0 +1,6121 @@
+// SwiftShader Software Renderer
+//
+// Copyright(c) 2005-2013 TransGaming Inc.
+//
+// All rights reserved. No part of this software may be copied, distributed, transmitted,
+// transcribed, stored in a retrieval system, translated into any human or computer
+// language by any means, or disclosed to third parties without the explicit written
+// agreement of TransGaming Inc. Without such an agreement, no rights or licenses, express
+// or implied, including but not limited to any patent rights, are granted to you.
+//
+// libGLESv2.cpp: Implements the exported OpenGL ES 2.0 functions.
+
+#include "main.h"
+#include "mathutil.h"
+#include "utilities.h"
+#include "Buffer.h"
+#include "Context.h"
+#include "Fence.h"
+#include "Framebuffer.h"
+#include "Program.h"
+#include "Renderbuffer.h"
+#include "Shader.h"
+#include "Texture.h"
+#include "Query.h"
+#include "common/debug.h"
+#include "Common/Version.h"
+
+#define GL_APICALL
+#include <GLES2/gl2.h>
+#include <GLES2/gl2ext.h>
+
+#include <exception>
+#include <limits>
+
+static bool validImageSize(GLint level, GLsizei width, GLsizei height)
+{
+ if(level < 0 || level >= gl::IMPLEMENTATION_MAX_TEXTURE_LEVELS || width < 0 || height < 0)
+ {
+ return false;
+ }
+
+ return true;
+}
+
+static bool validateSubImageParams(bool compressed, GLsizei width, GLsizei height, GLint xoffset, GLint yoffset, GLenum target, GLint level, GLenum format, gl::Texture *texture)
+{
+ if(!texture)
+ {
+ return error(GL_INVALID_OPERATION, false);
+ }
+
+ if(compressed != texture->isCompressed(target, level))
+ {
+ return error(GL_INVALID_OPERATION, false);
+ }
+
+ if(format != GL_NONE && format != texture->getFormat(target, level))
+ {
+ return error(GL_INVALID_OPERATION, false);
+ }
+
+ if(compressed)
+ {
+ if((width % 4 != 0 && width != texture->getWidth(target, 0)) ||
+ (height % 4 != 0 && height != texture->getHeight(target, 0)))
+ {
+ return error(GL_INVALID_OPERATION, false);
+ }
+ }
+
+ if(xoffset + width > texture->getWidth(target, level) ||
+ yoffset + height > texture->getHeight(target, level))
+ {
+ return error(GL_INVALID_VALUE, false);
+ }
+
+ return true;
+}
+
+// Check for combinations of format and type that are valid for ReadPixels
+static bool validReadFormatType(GLenum format, GLenum type)
+{
+ switch(format)
+ {
+ case GL_RGBA:
+ switch (type)
+ {
+ case GL_UNSIGNED_BYTE:
+ break;
+ default:
+ return false;
+ }
+ break;
+ case GL_BGRA_EXT:
+ switch (type)
+ {
+ case GL_UNSIGNED_BYTE:
+ case GL_UNSIGNED_SHORT_4_4_4_4_REV_EXT:
+ case GL_UNSIGNED_SHORT_1_5_5_5_REV_EXT:
+ break;
+ default:
+ return false;
+ }
+ break;
+ case gl::IMPLEMENTATION_COLOR_READ_FORMAT:
+ switch (type)
+ {
+ case gl::IMPLEMENTATION_COLOR_READ_TYPE:
+ break;
+ default:
+ return false;
+ }
+ break;
+ default:
+ return false;
+ }
+
+ return true;
+}
+
+extern "C"
+{
+
+void GL_APIENTRY glActiveTexture(GLenum texture)
+{
+ TRACE("(GLenum texture = 0x%X)", texture);
+
+ try
+ {
+ gl::Context *context = gl::getContext();
+
+ if(context)
+ {
+ if(texture < GL_TEXTURE0 || texture > GL_TEXTURE0 + gl::MAX_COMBINED_TEXTURE_IMAGE_UNITS - 1)
+ {
+ return error(GL_INVALID_ENUM);
+ }
+
+ context->setActiveSampler(texture - GL_TEXTURE0);
+ }
+ }
+ catch(std::bad_alloc&)
+ {
+ return error(GL_OUT_OF_MEMORY);
+ }
+}
+
+void GL_APIENTRY glAttachShader(GLuint program, GLuint shader)
+{
+ TRACE("(GLuint program = %d, GLuint shader = %d)", program, shader);
+
+ try
+ {
+ gl::Context *context = gl::getContext();
+
+ if(context)
+ {
+ gl::Program *programObject = context->getProgram(program);
+ gl::Shader *shaderObject = context->getShader(shader);
+
+ if(!programObject)
+ {
+ if(context->getShader(program))
+ {
+ return error(GL_INVALID_OPERATION);
+ }
+ else
+ {
+ return error(GL_INVALID_VALUE);
+ }
+ }
+
+ if(!shaderObject)
+ {
+ if(context->getProgram(shader))
+ {
+ return error(GL_INVALID_OPERATION);
+ }
+ else
+ {
+ return error(GL_INVALID_VALUE);
+ }
+ }
+
+ if(!programObject->attachShader(shaderObject))
+ {
+ return error(GL_INVALID_OPERATION);
+ }
+ }
+ }
+ catch(std::bad_alloc&)
+ {
+ return error(GL_OUT_OF_MEMORY);
+ }
+}
+
+void GL_APIENTRY glBeginQueryEXT(GLenum target, GLuint id)
+{
+ TRACE("(GLenum target = 0x%X, GLuint %d)", target, id);
+
+ try
+ {
+ switch(target)
+ {
+ case GL_ANY_SAMPLES_PASSED_EXT:
+ case GL_ANY_SAMPLES_PASSED_CONSERVATIVE_EXT:
+ break;
+ default:
+ return error(GL_INVALID_ENUM);
+ }
+
+ if(id == 0)
+ {
+ return error(GL_INVALID_OPERATION);
+ }
+
+ gl::Context *context = gl::getContext();
+
+ if(context)
+ {
+ context->beginQuery(target, id);
+ }
+ }
+ catch(std::bad_alloc&)
+ {
+ return error(GL_OUT_OF_MEMORY);
+ }
+}
+
+void GL_APIENTRY glBindAttribLocation(GLuint program, GLuint index, const GLchar* name)
+{
+ TRACE("(GLuint program = %d, GLuint index = %d, const GLchar* name = 0x%0.8p)", program, index, name);
+
+ try
+ {
+ if(index >= gl::MAX_VERTEX_ATTRIBS)
+ {
+ return error(GL_INVALID_VALUE);
+ }
+
+ gl::Context *context = gl::getContext();
+
+ if(context)
+ {
+ gl::Program *programObject = context->getProgram(program);
+
+ if(!programObject)
+ {
+ if(context->getShader(program))
+ {
+ return error(GL_INVALID_OPERATION);
+ }
+ else
+ {
+ return error(GL_INVALID_VALUE);
+ }
+ }
+
+ if(strncmp(name, "gl_", 3) == 0)
+ {
+ return error(GL_INVALID_OPERATION);
+ }
+
+ programObject->bindAttributeLocation(index, name);
+ }
+ }
+ catch(std::bad_alloc&)
+ {
+ return error(GL_OUT_OF_MEMORY);
+ }
+}
+
+void GL_APIENTRY glBindBuffer(GLenum target, GLuint buffer)
+{
+ TRACE("(GLenum target = 0x%X, GLuint buffer = %d)", target, buffer);
+
+ try
+ {
+ gl::Context *context = gl::getContext();
+
+ if(context)
+ {
+ switch(target)
+ {
+ case GL_ARRAY_BUFFER:
+ context->bindArrayBuffer(buffer);
+ return;
+ case GL_ELEMENT_ARRAY_BUFFER:
+ context->bindElementArrayBuffer(buffer);
+ return;
+ default:
+ return error(GL_INVALID_ENUM);
+ }
+ }
+ }
+ catch(std::bad_alloc&)
+ {
+ return error(GL_OUT_OF_MEMORY);
+ }
+}
+
+void GL_APIENTRY glBindFramebuffer(GLenum target, GLuint framebuffer)
+{
+ TRACE("(GLenum target = 0x%X, GLuint framebuffer = %d)", target, framebuffer);
+
+ try
+ {
+ if(target != GL_FRAMEBUFFER && target != GL_DRAW_FRAMEBUFFER_ANGLE && target != GL_READ_FRAMEBUFFER_ANGLE)
+ {
+ return error(GL_INVALID_ENUM);
+ }
+
+ gl::Context *context = gl::getContext();
+
+ if(context)
+ {
+ if(target == GL_READ_FRAMEBUFFER_ANGLE || target == GL_FRAMEBUFFER)
+ {
+ context->bindReadFramebuffer(framebuffer);
+ }
+
+ if(target == GL_DRAW_FRAMEBUFFER_ANGLE || target == GL_FRAMEBUFFER)
+ {
+ context->bindDrawFramebuffer(framebuffer);
+ }
+ }
+ }
+ catch(std::bad_alloc&)
+ {
+ return error(GL_OUT_OF_MEMORY);
+ }
+}
+
+void GL_APIENTRY glBindRenderbuffer(GLenum target, GLuint renderbuffer)
+{
+ TRACE("(GLenum target = 0x%X, GLuint renderbuffer = %d)", target, renderbuffer);
+
+ try
+ {
+ if(target != GL_RENDERBUFFER)
+ {
+ return error(GL_INVALID_ENUM);
+ }
+
+ gl::Context *context = gl::getContext();
+
+ if(context)
+ {
+ context->bindRenderbuffer(renderbuffer);
+ }
+ }
+ catch(std::bad_alloc&)
+ {
+ return error(GL_OUT_OF_MEMORY);
+ }
+}
+
+void GL_APIENTRY glBindTexture(GLenum target, GLuint texture)
+{
+ TRACE("(GLenum target = 0x%X, GLuint texture = %d)", target, texture);
+
+ try
+ {
+ gl::Context *context = gl::getContext();
+
+ if(context)
+ {
+ gl::Texture *textureObject = context->getTexture(texture);
+
+ if(textureObject && textureObject->getTarget() != target && texture != 0)
+ {
+ return error(GL_INVALID_OPERATION);
+ }
+
+ switch(target)
+ {
+ case GL_TEXTURE_2D:
+ context->bindTexture2D(texture);
+ return;
+ case GL_TEXTURE_CUBE_MAP:
+ context->bindTextureCubeMap(texture);
+ return;
+ default:
+ return error(GL_INVALID_ENUM);
+ }
+ }
+ }
+ catch(std::bad_alloc&)
+ {
+ return error(GL_OUT_OF_MEMORY);
+ }
+}
+
+void GL_APIENTRY glBlendColor(GLclampf red, GLclampf green, GLclampf blue, GLclampf alpha)
+{
+ TRACE("(GLclampf red = %f, GLclampf green = %f, GLclampf blue = %f, GLclampf alpha = %f)",
+ red, green, blue, alpha);
+
+ try
+ {
+ gl::Context* context = gl::getContext();
+
+ if(context)
+ {
+ context->setBlendColor(gl::clamp01(red), gl::clamp01(green), gl::clamp01(blue), gl::clamp01(alpha));
+ }
+ }
+ catch(std::bad_alloc&)
+ {
+ return error(GL_OUT_OF_MEMORY);
+ }
+}
+
+void GL_APIENTRY glBlendEquation(GLenum mode)
+{
+ glBlendEquationSeparate(mode, mode);
+}
+
+void GL_APIENTRY glBlendEquationSeparate(GLenum modeRGB, GLenum modeAlpha)
+{
+ TRACE("(GLenum modeRGB = 0x%X, GLenum modeAlpha = 0x%X)", modeRGB, modeAlpha);
+
+ try
+ {
+ switch(modeRGB)
+ {
+ case GL_FUNC_ADD:
+ case GL_FUNC_SUBTRACT:
+ case GL_FUNC_REVERSE_SUBTRACT:
+ break;
+ default:
+ return error(GL_INVALID_ENUM);
+ }
+
+ switch(modeAlpha)
+ {
+ case GL_FUNC_ADD:
+ case GL_FUNC_SUBTRACT:
+ case GL_FUNC_REVERSE_SUBTRACT:
+ break;
+ default:
+ return error(GL_INVALID_ENUM);
+ }
+
+ gl::Context *context = gl::getContext();
+
+ if(context)
+ {
+ context->setBlendEquation(modeRGB, modeAlpha);
+ }
+ }
+ catch(std::bad_alloc&)
+ {
+ return error(GL_OUT_OF_MEMORY);
+ }
+}
+
+void GL_APIENTRY glBlendFunc(GLenum sfactor, GLenum dfactor)
+{
+ glBlendFuncSeparate(sfactor, dfactor, sfactor, dfactor);
+}
+
+void GL_APIENTRY glBlendFuncSeparate(GLenum srcRGB, GLenum dstRGB, GLenum srcAlpha, GLenum dstAlpha)
+{
+ TRACE("(GLenum srcRGB = 0x%X, GLenum dstRGB = 0x%X, GLenum srcAlpha = 0x%X, GLenum dstAlpha = 0x%X)",
+ srcRGB, dstRGB, srcAlpha, dstAlpha);
+
+ try
+ {
+ switch(srcRGB)
+ {
+ case GL_ZERO:
+ case GL_ONE:
+ case GL_SRC_COLOR:
+ case GL_ONE_MINUS_SRC_COLOR:
+ case GL_DST_COLOR:
+ case GL_ONE_MINUS_DST_COLOR:
+ case GL_SRC_ALPHA:
+ case GL_ONE_MINUS_SRC_ALPHA:
+ case GL_DST_ALPHA:
+ case GL_ONE_MINUS_DST_ALPHA:
+ case GL_CONSTANT_COLOR:
+ case GL_ONE_MINUS_CONSTANT_COLOR:
+ case GL_CONSTANT_ALPHA:
+ case GL_ONE_MINUS_CONSTANT_ALPHA:
+ case GL_SRC_ALPHA_SATURATE:
+ break;
+ default:
+ return error(GL_INVALID_ENUM);
+ }
+
+ switch(dstRGB)
+ {
+ case GL_ZERO:
+ case GL_ONE:
+ case GL_SRC_COLOR:
+ case GL_ONE_MINUS_SRC_COLOR:
+ case GL_DST_COLOR:
+ case GL_ONE_MINUS_DST_COLOR:
+ case GL_SRC_ALPHA:
+ case GL_ONE_MINUS_SRC_ALPHA:
+ case GL_DST_ALPHA:
+ case GL_ONE_MINUS_DST_ALPHA:
+ case GL_CONSTANT_COLOR:
+ case GL_ONE_MINUS_CONSTANT_COLOR:
+ case GL_CONSTANT_ALPHA:
+ case GL_ONE_MINUS_CONSTANT_ALPHA:
+ break;
+ default:
+ return error(GL_INVALID_ENUM);
+ }
+
+ switch(srcAlpha)
+ {
+ case GL_ZERO:
+ case GL_ONE:
+ case GL_SRC_COLOR:
+ case GL_ONE_MINUS_SRC_COLOR:
+ case GL_DST_COLOR:
+ case GL_ONE_MINUS_DST_COLOR:
+ case GL_SRC_ALPHA:
+ case GL_ONE_MINUS_SRC_ALPHA:
+ case GL_DST_ALPHA:
+ case GL_ONE_MINUS_DST_ALPHA:
+ case GL_CONSTANT_COLOR:
+ case GL_ONE_MINUS_CONSTANT_COLOR:
+ case GL_CONSTANT_ALPHA:
+ case GL_ONE_MINUS_CONSTANT_ALPHA:
+ case GL_SRC_ALPHA_SATURATE:
+ break;
+ default:
+ return error(GL_INVALID_ENUM);
+ }
+
+ switch(dstAlpha)
+ {
+ case GL_ZERO:
+ case GL_ONE:
+ case GL_SRC_COLOR:
+ case GL_ONE_MINUS_SRC_COLOR:
+ case GL_DST_COLOR:
+ case GL_ONE_MINUS_DST_COLOR:
+ case GL_SRC_ALPHA:
+ case GL_ONE_MINUS_SRC_ALPHA:
+ case GL_DST_ALPHA:
+ case GL_ONE_MINUS_DST_ALPHA:
+ case GL_CONSTANT_COLOR:
+ case GL_ONE_MINUS_CONSTANT_COLOR:
+ case GL_CONSTANT_ALPHA:
+ case GL_ONE_MINUS_CONSTANT_ALPHA:
+ break;
+ default:
+ return error(GL_INVALID_ENUM);
+ }
+
+ gl::Context *context = gl::getContext();
+
+ if(context)
+ {
+ context->setBlendFactors(srcRGB, dstRGB, srcAlpha, dstAlpha);
+ }
+ }
+ catch(std::bad_alloc&)
+ {
+ return error(GL_OUT_OF_MEMORY);
+ }
+}
+
+void GL_APIENTRY glBufferData(GLenum target, GLsizeiptr size, const GLvoid* data, GLenum usage)
+{
+ TRACE("(GLenum target = 0x%X, GLsizeiptr size = %d, const GLvoid* data = 0x%0.8p, GLenum usage = %d)",
+ target, size, data, usage);
+
+ try
+ {
+ if(size < 0)
+ {
+ return error(GL_INVALID_VALUE);
+ }
+
+ switch(usage)
+ {
+ case GL_STREAM_DRAW:
+ case GL_STATIC_DRAW:
+ case GL_DYNAMIC_DRAW:
+ break;
+ default:
+ return error(GL_INVALID_ENUM);
+ }
+
+ gl::Context *context = gl::getContext();
+
+ if(context)
+ {
+ gl::Buffer *buffer;
+
+ switch(target)
+ {
+ case GL_ARRAY_BUFFER:
+ buffer = context->getArrayBuffer();
+ break;
+ case GL_ELEMENT_ARRAY_BUFFER:
+ buffer = context->getElementArrayBuffer();
+ break;
+ default:
+ return error(GL_INVALID_ENUM);
+ }
+
+ if(!buffer)
+ {
+ return error(GL_INVALID_OPERATION);
+ }
+
+ buffer->bufferData(data, size, usage);
+ }
+ }
+ catch(std::bad_alloc&)
+ {
+ return error(GL_OUT_OF_MEMORY);
+ }
+}
+
+void GL_APIENTRY glBufferSubData(GLenum target, GLintptr offset, GLsizeiptr size, const GLvoid* data)
+{
+ TRACE("(GLenum target = 0x%X, GLintptr offset = %d, GLsizeiptr size = %d, const GLvoid* data = 0x%0.8p)",
+ target, offset, size, data);
+
+ try
+ {
+ if(size < 0 || offset < 0)
+ {
+ return error(GL_INVALID_VALUE);
+ }
+
+ if(data == NULL)
+ {
+ return;
+ }
+
+ gl::Context *context = gl::getContext();
+
+ if(context)
+ {
+ gl::Buffer *buffer;
+
+ switch(target)
+ {
+ case GL_ARRAY_BUFFER:
+ buffer = context->getArrayBuffer();
+ break;
+ case GL_ELEMENT_ARRAY_BUFFER:
+ buffer = context->getElementArrayBuffer();
+ break;
+ default:
+ return error(GL_INVALID_ENUM);
+ }
+
+ if(!buffer)
+ {
+ return error(GL_INVALID_OPERATION);
+ }
+
+ if((size_t)size + offset > buffer->size())
+ {
+ return error(GL_INVALID_VALUE);
+ }
+
+ buffer->bufferSubData(data, size, offset);
+ }
+ }
+ catch(std::bad_alloc&)
+ {
+ return error(GL_OUT_OF_MEMORY);
+ }
+}
+
+GLenum GL_APIENTRY glCheckFramebufferStatus(GLenum target)
+{
+ TRACE("(GLenum target = 0x%X)", target);
+
+ try
+ {
+ if(target != GL_FRAMEBUFFER && target != GL_DRAW_FRAMEBUFFER_ANGLE && target != GL_READ_FRAMEBUFFER_ANGLE)
+ {
+ return error(GL_INVALID_ENUM, 0);
+ }
+
+ gl::Context *context = gl::getContext();
+
+ if(context)
+ {
+ gl::Framebuffer *framebuffer = NULL;
+ if(target == GL_READ_FRAMEBUFFER_ANGLE)
+ {
+ framebuffer = context->getReadFramebuffer();
+ }
+ else
+ {
+ framebuffer = context->getDrawFramebuffer();
+ }
+
+ return framebuffer->completeness();
+ }
+ }
+ catch(std::bad_alloc&)
+ {
+ return error(GL_OUT_OF_MEMORY, 0);
+ }
+
+ return 0;
+}
+
+void GL_APIENTRY glClear(GLbitfield mask)
+{
+ TRACE("(GLbitfield mask = %X)", mask);
+
+ try
+ {
+ if((mask & ~(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT | GL_STENCIL_BUFFER_BIT)) != 0)
+ {
+ return error(GL_INVALID_VALUE);
+ }
+
+ gl::Context *context = gl::getContext();
+
+ if(context)
+ {
+ context->clear(mask);
+ }
+ }
+ catch(std::bad_alloc&)
+ {
+ return error(GL_OUT_OF_MEMORY);
+ }
+}
+
+void GL_APIENTRY glClearColor(GLclampf red, GLclampf green, GLclampf blue, GLclampf alpha)
+{
+ TRACE("(GLclampf red = %f, GLclampf green = %f, GLclampf blue = %f, GLclampf alpha = %f)",
+ red, green, blue, alpha);
+
+ try
+ {
+ gl::Context *context = gl::getContext();
+
+ if(context)
+ {
+ context->setClearColor(red, green, blue, alpha);
+ }
+ }
+ catch(std::bad_alloc&)
+ {
+ return error(GL_OUT_OF_MEMORY);
+ }
+}
+
+void GL_APIENTRY glClearDepthf(GLclampf depth)
+{
+ TRACE("(GLclampf depth = %f)", depth);
+
+ try
+ {
+ gl::Context *context = gl::getContext();
+
+ if(context)
+ {
+ context->setClearDepth(depth);
+ }
+ }
+ catch(std::bad_alloc&)
+ {
+ return error(GL_OUT_OF_MEMORY);
+ }
+}
+
+void GL_APIENTRY glClearStencil(GLint s)
+{
+ TRACE("(GLint s = %d)", s);
+
+ try
+ {
+ gl::Context *context = gl::getContext();
+
+ if(context)
+ {
+ context->setClearStencil(s);
+ }
+ }
+ catch(std::bad_alloc&)
+ {
+ return error(GL_OUT_OF_MEMORY);
+ }
+}
+
+void GL_APIENTRY glColorMask(GLboolean red, GLboolean green, GLboolean blue, GLboolean alpha)
+{
+ TRACE("(GLboolean red = %d, GLboolean green = %d, GLboolean blue = %d, GLboolean alpha = %d)",
+ red, green, blue, alpha);
+
+ try
+ {
+ gl::Context *context = gl::getContext();
+
+ if(context)
+ {
+ context->setColorMask(red == GL_TRUE, green == GL_TRUE, blue == GL_TRUE, alpha == GL_TRUE);
+ }
+ }
+ catch(std::bad_alloc&)
+ {
+ return error(GL_OUT_OF_MEMORY);
+ }
+}
+
+void GL_APIENTRY glCompileShader(GLuint shader)
+{
+ TRACE("(GLuint shader = %d)", shader);
+
+ try
+ {
+ gl::Context *context = gl::getContext();
+
+ if(context)
+ {
+ gl::Shader *shaderObject = context->getShader(shader);
+
+ if(!shaderObject)
+ {
+ if(context->getProgram(shader))
+ {
+ return error(GL_INVALID_OPERATION);
+ }
+ else
+ {
+ return error(GL_INVALID_VALUE);
+ }
+ }
+
+ shaderObject->compile();
+ }
+ }
+ catch(std::bad_alloc&)
+ {
+ return error(GL_OUT_OF_MEMORY);
+ }
+}
+
+void GL_APIENTRY glCompressedTexImage2D(GLenum target, GLint level, GLenum internalformat, GLsizei width, GLsizei height,
+ GLint border, GLsizei imageSize, const GLvoid* data)
+{
+ TRACE("(GLenum target = 0x%X, GLint level = %d, GLenum internalformat = 0x%X, GLsizei width = %d, "
+ "GLsizei height = %d, GLint border = %d, GLsizei imageSize = %d, const GLvoid* data = 0x%0.8p)",
+ target, level, internalformat, width, height, border, imageSize, data);
+
+ try
+ {
+ if(!validImageSize(level, width, height) || border != 0 || imageSize < 0)
+ {
+ return error(GL_INVALID_VALUE);
+ }
+
+ switch(internalformat)
+ {
+ case GL_COMPRESSED_RGB_S3TC_DXT1_EXT:
+ case GL_COMPRESSED_RGBA_S3TC_DXT1_EXT:
+ case GL_COMPRESSED_RGBA_S3TC_DXT3_ANGLE:
+ case GL_COMPRESSED_RGBA_S3TC_DXT5_ANGLE:
+ if(!S3TC_SUPPORT)
+ {
+ return error(GL_INVALID_ENUM);
+ }
+ break;
+ case GL_DEPTH_COMPONENT:
+ case GL_DEPTH_COMPONENT16:
+ case GL_DEPTH_COMPONENT32_OES:
+ case GL_DEPTH_STENCIL_OES:
+ case GL_DEPTH24_STENCIL8_OES:
+ return error(GL_INVALID_OPERATION);
+ default:
+ return error(GL_INVALID_ENUM);
+ }
+
+ if(border != 0)
+ {
+ return error(GL_INVALID_VALUE);
+ }
+
+ gl::Context *context = gl::getContext();
+
+ if(context)
+ {
+ if(level > gl::IMPLEMENTATION_MAX_TEXTURE_LEVELS)
+ {
+ return error(GL_INVALID_VALUE);
+ }
+
+ switch(target)
+ {
+ case GL_TEXTURE_2D:
+ if(width > (gl::IMPLEMENTATION_MAX_TEXTURE_SIZE >> level) ||
+ height > (gl::IMPLEMENTATION_MAX_TEXTURE_SIZE >> level))
+ {
+ return error(GL_INVALID_VALUE);
+ }
+ break;
+ case GL_TEXTURE_CUBE_MAP_POSITIVE_X:
+ case GL_TEXTURE_CUBE_MAP_NEGATIVE_X:
+ case GL_TEXTURE_CUBE_MAP_POSITIVE_Y:
+ case GL_TEXTURE_CUBE_MAP_NEGATIVE_Y:
+ case GL_TEXTURE_CUBE_MAP_POSITIVE_Z:
+ case GL_TEXTURE_CUBE_MAP_NEGATIVE_Z:
+ if(width != height)
+ {
+ return error(GL_INVALID_VALUE);
+ }
+
+ if(width > (gl::IMPLEMENTATION_MAX_CUBE_MAP_TEXTURE_SIZE >> level) ||
+ height > (gl::IMPLEMENTATION_MAX_CUBE_MAP_TEXTURE_SIZE >> level))
+ {
+ return error(GL_INVALID_VALUE);
+ }
+ break;
+ default:
+ return error(GL_INVALID_ENUM);
+ }
+
+ if(imageSize != gl::ComputeCompressedSize(width, height, internalformat))
+ {
+ return error(GL_INVALID_VALUE);
+ }
+
+ if(target == GL_TEXTURE_2D)
+ {
+ gl::Texture2D *texture = context->getTexture2D();
+
+ if(!texture)
+ {
+ return error(GL_INVALID_OPERATION);
+ }
+
+ texture->setCompressedImage(level, internalformat, width, height, imageSize, data);
+ }
+ else
+ {
+ gl::TextureCubeMap *texture = context->getTextureCubeMap();
+
+ if(!texture)
+ {
+ return error(GL_INVALID_OPERATION);
+ }
+
+ switch(target)
+ {
+ case GL_TEXTURE_CUBE_MAP_POSITIVE_X:
+ case GL_TEXTURE_CUBE_MAP_NEGATIVE_X:
+ case GL_TEXTURE_CUBE_MAP_POSITIVE_Y:
+ case GL_TEXTURE_CUBE_MAP_NEGATIVE_Y:
+ case GL_TEXTURE_CUBE_MAP_POSITIVE_Z:
+ case GL_TEXTURE_CUBE_MAP_NEGATIVE_Z:
+ texture->setCompressedImage(target, level, internalformat, width, height, imageSize, data);
+ break;
+ default: UNREACHABLE();
+ }
+ }
+ }
+ }
+ catch(std::bad_alloc&)
+ {
+ return error(GL_OUT_OF_MEMORY);
+ }
+}
+
+void GL_APIENTRY glCompressedTexSubImage2D(GLenum target, GLint level, GLint xoffset, GLint yoffset, GLsizei width, GLsizei height,
+ GLenum format, GLsizei imageSize, const GLvoid* data)
+{
+ TRACE("(GLenum target = 0x%X, GLint level = %d, GLint xoffset = %d, GLint yoffset = %d, "
+ "GLsizei width = %d, GLsizei height = %d, GLenum format = 0x%X, "
+ "GLsizei imageSize = %d, const GLvoid* data = 0x%0.8p)",
+ target, level, xoffset, yoffset, width, height, format, imageSize, data);
+
+ try
+ {
+ if(!gl::IsTextureTarget(target))
+ {
+ return error(GL_INVALID_ENUM);
+ }
+
+ if(xoffset < 0 || yoffset < 0 || !validImageSize(level, width, height) || imageSize < 0)
+ {
+ return error(GL_INVALID_VALUE);
+ }
+
+ switch(format)
+ {
+ case GL_COMPRESSED_RGB_S3TC_DXT1_EXT:
+ case GL_COMPRESSED_RGBA_S3TC_DXT1_EXT:
+ case GL_COMPRESSED_RGBA_S3TC_DXT3_ANGLE:
+ case GL_COMPRESSED_RGBA_S3TC_DXT5_ANGLE:
+ if(!S3TC_SUPPORT)
+ {
+ return error(GL_INVALID_ENUM);
+ }
+ break;
+ default:
+ return error(GL_INVALID_ENUM);
+ }
+
+ if(width == 0 || height == 0 || data == NULL)
+ {
+ return;
+ }
+
+ gl::Context *context = gl::getContext();
+
+ if(context)
+ {
+ if(level > gl::IMPLEMENTATION_MAX_TEXTURE_LEVELS)
+ {
+ return error(GL_INVALID_VALUE);
+ }
+
+ if(imageSize != gl::ComputeCompressedSize(width, height, format))
+ {
+ return error(GL_INVALID_VALUE);
+ }
+
+ if(xoffset % 4 != 0 || yoffset % 4 != 0)
+ {
+ // We wait to check the offsets until this point, because the multiple-of-four restriction does not exist unless DXT1 textures are supported
+ return error(GL_INVALID_OPERATION);
+ }
+
+ if(target == GL_TEXTURE_2D)
+ {
+ gl::Texture2D *texture = context->getTexture2D();
+
+ if(validateSubImageParams(true, width, height, xoffset, yoffset, target, level, format, texture))
+ {
+ texture->subImageCompressed(level, xoffset, yoffset, width, height, format, imageSize, data);
+ }
+ }
+ else if(gl::IsCubemapTextureTarget(target))
+ {
+ gl::TextureCubeMap *texture = context->getTextureCubeMap();
+
+ if(validateSubImageParams(true, width, height, xoffset, yoffset, target, level, format, texture))
+ {
+ texture->subImageCompressed(target, level, xoffset, yoffset, width, height, format, imageSize, data);
+ }
+ }
+ else
+ {
+ UNREACHABLE();
+ }
+ }
+ }
+ catch(std::bad_alloc&)
+ {
+ return error(GL_OUT_OF_MEMORY);
+ }
+}
+
+void GL_APIENTRY glCopyTexImage2D(GLenum target, GLint level, GLenum internalformat, GLint x, GLint y, GLsizei width, GLsizei height, GLint border)
+{
+ TRACE("(GLenum target = 0x%X, GLint level = %d, GLenum internalformat = 0x%X, "
+ "GLint x = %d, GLint y = %d, GLsizei width = %d, GLsizei height = %d, GLint border = %d)",
+ target, level, internalformat, x, y, width, height, border);
+
+ try
+ {
+ if(!validImageSize(level, width, height))
+ {
+ return error(GL_INVALID_VALUE);
+ }
+
+ if(border != 0)
+ {
+ return error(GL_INVALID_VALUE);
+ }
+
+ gl::Context *context = gl::getContext();
+
+ if(context)
+ {
+ switch(target)
+ {
+ case GL_TEXTURE_2D:
+ if(width > (gl::IMPLEMENTATION_MAX_TEXTURE_SIZE >> level) ||
+ height > (gl::IMPLEMENTATION_MAX_TEXTURE_SIZE >> level))
+ {
+ return error(GL_INVALID_VALUE);
+ }
+ break;
+ case GL_TEXTURE_CUBE_MAP_POSITIVE_X:
+ case GL_TEXTURE_CUBE_MAP_NEGATIVE_X:
+ case GL_TEXTURE_CUBE_MAP_POSITIVE_Y:
+ case GL_TEXTURE_CUBE_MAP_NEGATIVE_Y:
+ case GL_TEXTURE_CUBE_MAP_POSITIVE_Z:
+ case GL_TEXTURE_CUBE_MAP_NEGATIVE_Z:
+ if(width != height)
+ {
+ return error(GL_INVALID_VALUE);
+ }
+
+ if(width > (gl::IMPLEMENTATION_MAX_CUBE_MAP_TEXTURE_SIZE >> level) ||
+ height > (gl::IMPLEMENTATION_MAX_CUBE_MAP_TEXTURE_SIZE >> level))
+ {
+ return error(GL_INVALID_VALUE);
+ }
+ break;
+ default:
+ return error(GL_INVALID_ENUM);
+ }
+
+ gl::Framebuffer *framebuffer = context->getReadFramebuffer();
+
+ if(framebuffer->completeness() != GL_FRAMEBUFFER_COMPLETE)
+ {
+ return error(GL_INVALID_FRAMEBUFFER_OPERATION);
+ }
+
+ if(context->getReadFramebufferHandle() != 0 && framebuffer->getColorbuffer()->getSamples() != 0)
+ {
+ return error(GL_INVALID_OPERATION);
+ }
+
+ gl::Renderbuffer *source = framebuffer->getColorbuffer();
+ GLenum colorbufferFormat = source->getFormat();
+
+ // [OpenGL ES 2.0.24] table 3.9
+ switch(internalformat)
+ {
+ case GL_ALPHA:
+ if(colorbufferFormat != GL_ALPHA &&
+ colorbufferFormat != GL_RGBA &&
+ colorbufferFormat != GL_RGBA4 &&
+ colorbufferFormat != GL_RGB5_A1 &&
+ colorbufferFormat != GL_RGBA8_OES)
+ {
+ return error(GL_INVALID_OPERATION);
+ }
+ break;
+ case GL_LUMINANCE:
+ case GL_RGB:
+ if(colorbufferFormat != GL_RGB &&
+ colorbufferFormat != GL_RGB565 &&
+ colorbufferFormat != GL_RGB8_OES &&
+ colorbufferFormat != GL_RGBA &&
+ colorbufferFormat != GL_RGBA4 &&
+ colorbufferFormat != GL_RGB5_A1 &&
+ colorbufferFormat != GL_RGBA8_OES)
+ {
+ return error(GL_INVALID_OPERATION);
+ }
+ break;
+ case GL_LUMINANCE_ALPHA:
+ case GL_RGBA:
+ if(colorbufferFormat != GL_RGBA &&
+ colorbufferFormat != GL_RGBA4 &&
+ colorbufferFormat != GL_RGB5_A1 &&
+ colorbufferFormat != GL_RGBA8_OES)
+ {
+ return error(GL_INVALID_OPERATION);
+ }
+ break;
+ case GL_COMPRESSED_RGB_S3TC_DXT1_EXT:
+ case GL_COMPRESSED_RGBA_S3TC_DXT1_EXT:
+ case GL_COMPRESSED_RGBA_S3TC_DXT3_ANGLE:
+ case GL_COMPRESSED_RGBA_S3TC_DXT5_ANGLE:
+ if(S3TC_SUPPORT)
+ {
+ return error(GL_INVALID_OPERATION);
+ }
+ else
+ {
+ return error(GL_INVALID_ENUM);
+ }
+ break;
+ default:
+ return error(GL_INVALID_ENUM);
+ }
+
+ if(target == GL_TEXTURE_2D)
+ {
+ gl::Texture2D *texture = context->getTexture2D();
+
+ if(!texture)
+ {
+ return error(GL_INVALID_OPERATION);
+ }
+
+ texture->copyImage(level, internalformat, x, y, width, height, framebuffer);
+ }
+ else if(gl::IsCubemapTextureTarget(target))
+ {
+ gl::TextureCubeMap *texture = context->getTextureCubeMap();
+
+ if(!texture)
+ {
+ return error(GL_INVALID_OPERATION);
+ }
+
+ texture->copyImage(target, level, internalformat, x, y, width, height, framebuffer);
+ }
+ else UNREACHABLE();
+ }
+ }
+ catch(std::bad_alloc&)
+ {
+ return error(GL_OUT_OF_MEMORY);
+ }
+}
+
+void GL_APIENTRY glCopyTexSubImage2D(GLenum target, GLint level, GLint xoffset, GLint yoffset, GLint x, GLint y, GLsizei width, GLsizei height)
+{
+ TRACE("(GLenum target = 0x%X, GLint level = %d, GLint xoffset = %d, GLint yoffset = %d, "
+ "GLint x = %d, GLint y = %d, GLsizei width = %d, GLsizei height = %d)",
+ target, level, xoffset, yoffset, x, y, width, height);
+
+ try
+ {
+ if(!gl::IsTextureTarget(target))
+ {
+ return error(GL_INVALID_ENUM);
+ }
+
+ if(level < 0 || xoffset < 0 || yoffset < 0 || width < 0 || height < 0)
+ {
+ return error(GL_INVALID_VALUE);
+ }
+
+ if(std::numeric_limits<GLsizei>::max() - xoffset < width || std::numeric_limits<GLsizei>::max() - yoffset < height)
+ {
+ return error(GL_INVALID_VALUE);
+ }
+
+ if(width == 0 || height == 0)
+ {
+ return;
+ }
+
+ gl::Context *context = gl::getContext();
+
+ if(context)
+ {
+ if(level > gl::IMPLEMENTATION_MAX_TEXTURE_LEVELS)
+ {
+ return error(GL_INVALID_VALUE);
+ }
+
+ gl::Framebuffer *framebuffer = context->getReadFramebuffer();
+
+ if(framebuffer->completeness() != GL_FRAMEBUFFER_COMPLETE)
+ {
+ return error(GL_INVALID_FRAMEBUFFER_OPERATION);
+ }
+
+ if(context->getReadFramebufferHandle() != 0 && framebuffer->getColorbuffer()->getSamples() != 0)
+ {
+ return error(GL_INVALID_OPERATION);
+ }
+
+ gl::Renderbuffer *source = framebuffer->getColorbuffer();
+ GLenum colorbufferFormat = source->getFormat();
+ gl::Texture *texture = NULL;
+
+ if(target == GL_TEXTURE_2D)
+ {
+ texture = context->getTexture2D();
+ }
+ else if(gl::IsCubemapTextureTarget(target))
+ {
+ texture = context->getTextureCubeMap();
+ }
+ else UNREACHABLE();
+
+ if(!validateSubImageParams(false, width, height, xoffset, yoffset, target, level, GL_NONE, texture))
+ {
+ return;
+ }
+
+ GLenum textureFormat = texture->getFormat(target, level);
+
+ // [OpenGL ES 2.0.24] table 3.9
+ switch(textureFormat)
+ {
+ case GL_ALPHA:
+ if(colorbufferFormat != GL_ALPHA &&
+ colorbufferFormat != GL_RGBA &&
+ colorbufferFormat != GL_RGBA4 &&
+ colorbufferFormat != GL_RGB5_A1 &&
+ colorbufferFormat != GL_RGBA8_OES)
+ {
+ return error(GL_INVALID_OPERATION);
+ }
+ break;
+ case GL_LUMINANCE:
+ case GL_RGB:
+ if(colorbufferFormat != GL_RGB &&
+ colorbufferFormat != GL_RGB565 &&
+ colorbufferFormat != GL_RGB8_OES &&
+ colorbufferFormat != GL_RGBA &&
+ colorbufferFormat != GL_RGBA4 &&
+ colorbufferFormat != GL_RGB5_A1 &&
+ colorbufferFormat != GL_RGBA8_OES)
+ {
+ return error(GL_INVALID_OPERATION);
+ }
+ break;
+ case GL_LUMINANCE_ALPHA:
+ case GL_RGBA:
+ if(colorbufferFormat != GL_RGBA &&
+ colorbufferFormat != GL_RGBA4 &&
+ colorbufferFormat != GL_RGB5_A1 &&
+ colorbufferFormat != GL_RGBA8_OES)
+ {
+ return error(GL_INVALID_OPERATION);
+ }
+ break;
+ case GL_COMPRESSED_RGB_S3TC_DXT1_EXT:
+ case GL_COMPRESSED_RGBA_S3TC_DXT1_EXT:
+ case GL_COMPRESSED_RGBA_S3TC_DXT3_ANGLE:
+ case GL_COMPRESSED_RGBA_S3TC_DXT5_ANGLE:
+ return error(GL_INVALID_OPERATION);
+ case GL_DEPTH_COMPONENT:
+ case GL_DEPTH_STENCIL_OES:
+ return error(GL_INVALID_OPERATION);
+ default:
+ return error(GL_INVALID_OPERATION);
+ }
+
+ texture->copySubImage(target, level, xoffset, yoffset, x, y, width, height, framebuffer);
+ }
+ }
+
+ catch(std::bad_alloc&)
+ {
+ return error(GL_OUT_OF_MEMORY);
+ }
+}
+
+GLuint GL_APIENTRY glCreateProgram(void)
+{
+ TRACE("()");
+
+ try
+ {
+ gl::Context *context = gl::getContext();
+
+ if(context)
+ {
+ return context->createProgram();
+ }
+ }
+ catch(std::bad_alloc&)
+ {
+ return error(GL_OUT_OF_MEMORY, 0);
+ }
+
+ return 0;
+}
+
+GLuint GL_APIENTRY glCreateShader(GLenum type)
+{
+ TRACE("(GLenum type = 0x%X)", type);
+
+ try
+ {
+ gl::Context *context = gl::getContext();
+
+ if(context)
+ {
+ switch(type)
+ {
+ case GL_FRAGMENT_SHADER:
+ case GL_VERTEX_SHADER:
+ return context->createShader(type);
+ default:
+ return error(GL_INVALID_ENUM, 0);
+ }
+ }
+ }
+ catch(std::bad_alloc&)
+ {
+ return error(GL_OUT_OF_MEMORY, 0);
+ }
+
+ return 0;
+}
+
+void GL_APIENTRY glCullFace(GLenum mode)
+{
+ TRACE("(GLenum mode = 0x%X)", mode);
+
+ try
+ {
+ switch(mode)
+ {
+ case GL_FRONT:
+ case GL_BACK:
+ case GL_FRONT_AND_BACK:
+ {
+ gl::Context *context = gl::getContext();
+
+ if(context)
+ {
+ context->setCullMode(mode);
+ }
+ }
+ break;
+ default:
+ return error(GL_INVALID_ENUM);
+ }
+ }
+ catch(std::bad_alloc&)
+ {
+ return error(GL_OUT_OF_MEMORY);
+ }
+}
+
+void GL_APIENTRY glDeleteBuffers(GLsizei n, const GLuint* buffers)
+{
+ TRACE("(GLsizei n = %d, const GLuint* buffers = 0x%0.8p)", n, buffers);
+
+ try
+ {
+ if(n < 0)
+ {
+ return error(GL_INVALID_VALUE);
+ }
+
+ gl::Context *context = gl::getContext();
+
+ if(context)
+ {
+ for(int i = 0; i < n; i++)
+ {
+ context->deleteBuffer(buffers[i]);
+ }
+ }
+ }
+ catch(std::bad_alloc&)
+ {
+ return error(GL_OUT_OF_MEMORY);
+ }
+}
+
+void GL_APIENTRY glDeleteFencesNV(GLsizei n, const GLuint* fences)
+{
+ TRACE("(GLsizei n = %d, const GLuint* fences = 0x%0.8p)", n, fences);
+
+ try
+ {
+ if(n < 0)
+ {
+ return error(GL_INVALID_VALUE);
+ }
+
+ gl::Context *context = gl::getContext();
+
+ if(context)
+ {
+ for(int i = 0; i < n; i++)
+ {
+ context->deleteFence(fences[i]);
+ }
+ }
+ }
+ catch(std::bad_alloc&)
+ {
+ return error(GL_OUT_OF_MEMORY);
+ }
+}
+
+void GL_APIENTRY glDeleteFramebuffers(GLsizei n, const GLuint* framebuffers)
+{
+ TRACE("(GLsizei n = %d, const GLuint* framebuffers = 0x%0.8p)", n, framebuffers);
+
+ try
+ {
+ if(n < 0)
+ {
+ return error(GL_INVALID_VALUE);
+ }
+
+ gl::Context *context = gl::getContext();
+
+ if(context)
+ {
+ for(int i = 0; i < n; i++)
+ {
+ if(framebuffers[i] != 0)
+ {
+ context->deleteFramebuffer(framebuffers[i]);
+ }
+ }
+ }
+ }
+ catch(std::bad_alloc&)
+ {
+ return error(GL_OUT_OF_MEMORY);
+ }
+}
+
+void GL_APIENTRY glDeleteProgram(GLuint program)
+{
+ TRACE("(GLuint program = %d)", program);
+
+ try
+ {
+ if(program == 0)
+ {
+ return;
+ }
+
+ gl::Context *context = gl::getContext();
+
+ if(context)
+ {
+ if(!context->getProgram(program))
+ {
+ if(context->getShader(program))
+ {
+ return error(GL_INVALID_OPERATION);
+ }
+ else
+ {
+ return error(GL_INVALID_VALUE);
+ }
+ }
+
+ context->deleteProgram(program);
+ }
+ }
+ catch(std::bad_alloc&)
+ {
+ return error(GL_OUT_OF_MEMORY);
+ }
+}
+
+void GL_APIENTRY glDeleteQueriesEXT(GLsizei n, const GLuint *ids)
+{
+ TRACE("(GLsizei n = %d, const GLuint *ids = 0x%0.8p)", n, ids);
+
+ try
+ {
+ if(n < 0)
+ {
+ return error(GL_INVALID_VALUE);
+ }
+
+ gl::Context *context = gl::getContext();
+
+ if(context)
+ {
+ for(int i = 0; i < n; i++)
+ {
+ context->deleteQuery(ids[i]);
+ }
+ }
+ }
+ catch(std::bad_alloc&)
+ {
+ return error(GL_OUT_OF_MEMORY);
+ }
+}
+
+void GL_APIENTRY glDeleteRenderbuffers(GLsizei n, const GLuint* renderbuffers)
+{
+ TRACE("(GLsizei n = %d, const GLuint* renderbuffers = 0x%0.8p)", n, renderbuffers);
+
+ try
+ {
+ if(n < 0)
+ {
+ return error(GL_INVALID_VALUE);
+ }
+
+ gl::Context *context = gl::getContext();
+
+ if(context)
+ {
+ for(int i = 0; i < n; i++)
+ {
+ context->deleteRenderbuffer(renderbuffers[i]);
+ }
+ }
+ }
+ catch(std::bad_alloc&)
+ {
+ return error(GL_OUT_OF_MEMORY);
+ }
+}
+
+void GL_APIENTRY glDeleteShader(GLuint shader)
+{
+ TRACE("(GLuint shader = %d)", shader);
+
+ try
+ {
+ if(shader == 0)
+ {
+ return;
+ }
+
+ gl::Context *context = gl::getContext();
+
+ if(context)
+ {
+ if(!context->getShader(shader))
+ {
+ if(context->getProgram(shader))
+ {
+ return error(GL_INVALID_OPERATION);
+ }
+ else
+ {
+ return error(GL_INVALID_VALUE);
+ }
+ }
+
+ context->deleteShader(shader);
+ }
+ }
+ catch(std::bad_alloc&)
+ {
+ return error(GL_OUT_OF_MEMORY);
+ }
+}
+
+void GL_APIENTRY glDeleteTextures(GLsizei n, const GLuint* textures)
+{
+ TRACE("(GLsizei n = %d, const GLuint* textures = 0x%0.8p)", n, textures);
+
+ try
+ {
+ if(n < 0)
+ {
+ return error(GL_INVALID_VALUE);
+ }
+
+ gl::Context *context = gl::getContext();
+
+ if(context)
+ {
+ for(int i = 0; i < n; i++)
+ {
+ if(textures[i] != 0)
+ {
+ context->deleteTexture(textures[i]);
+ }
+ }
+ }
+ }
+ catch(std::bad_alloc&)
+ {
+ return error(GL_OUT_OF_MEMORY);
+ }
+}
+
+void GL_APIENTRY glDepthFunc(GLenum func)
+{
+ TRACE("(GLenum func = 0x%X)", func);
+
+ try
+ {
+ switch(func)
+ {
+ case GL_NEVER:
+ case GL_ALWAYS:
+ case GL_LESS:
+ case GL_LEQUAL:
+ case GL_EQUAL:
+ case GL_GREATER:
+ case GL_GEQUAL:
+ case GL_NOTEQUAL:
+ break;
+ default:
+ return error(GL_INVALID_ENUM);
+ }
+
+ gl::Context *context = gl::getContext();
+
+ if(context)
+ {
+ context->setDepthFunc(func);
+ }
+ }
+ catch(std::bad_alloc&)
+ {
+ return error(GL_OUT_OF_MEMORY);
+ }
+}
+
+void GL_APIENTRY glDepthMask(GLboolean flag)
+{
+ TRACE("(GLboolean flag = %d)", flag);
+
+ try
+ {
+ gl::Context *context = gl::getContext();
+
+ if(context)
+ {
+ context->setDepthMask(flag != GL_FALSE);
+ }
+ }
+ catch(std::bad_alloc&)
+ {
+ return error(GL_OUT_OF_MEMORY);
+ }
+}
+
+void GL_APIENTRY glDepthRangef(GLclampf zNear, GLclampf zFar)
+{
+ TRACE("(GLclampf zNear = %f, GLclampf zFar = %f)", zNear, zFar);
+
+ try
+ {
+ gl::Context *context = gl::getContext();
+
+ if(context)
+ {
+ context->setDepthRange(zNear, zFar);
+ }
+ }
+ catch(std::bad_alloc&)
+ {
+ return error(GL_OUT_OF_MEMORY);
+ }
+}
+
+void GL_APIENTRY glDetachShader(GLuint program, GLuint shader)
+{
+ TRACE("(GLuint program = %d, GLuint shader = %d)", program, shader);
+
+ try
+ {
+ gl::Context *context = gl::getContext();
+
+ if(context)
+ {
+
+ gl::Program *programObject = context->getProgram(program);
+ gl::Shader *shaderObject = context->getShader(shader);
+
+ if(!programObject)
+ {
+ gl::Shader *shaderByProgramHandle;
+ shaderByProgramHandle = context->getShader(program);
+ if(!shaderByProgramHandle)
+ {
+ return error(GL_INVALID_VALUE);
+ }
+ else
+ {
+ return error(GL_INVALID_OPERATION);
+ }
+ }
+
+ if(!shaderObject)
+ {
+ gl::Program *programByShaderHandle = context->getProgram(shader);
+ if(!programByShaderHandle)
+ {
+ return error(GL_INVALID_VALUE);
+ }
+ else
+ {
+ return error(GL_INVALID_OPERATION);
+ }
+ }
+
+ if(!programObject->detachShader(shaderObject))
+ {
+ return error(GL_INVALID_OPERATION);
+ }
+ }
+ }
+ catch(std::bad_alloc&)
+ {
+ return error(GL_OUT_OF_MEMORY);
+ }
+}
+
+void GL_APIENTRY glDisable(GLenum cap)
+{
+ TRACE("(GLenum cap = 0x%X)", cap);
+
+ try
+ {
+ gl::Context *context = gl::getContext();
+
+ if(context)
+ {
+ switch(cap)
+ {
+ case GL_CULL_FACE: context->setCullFace(false); break;
+ case GL_POLYGON_OFFSET_FILL: context->setPolygonOffsetFill(false); break;
+ case GL_SAMPLE_ALPHA_TO_COVERAGE: context->setSampleAlphaToCoverage(false); break;
+ case GL_SAMPLE_COVERAGE: context->setSampleCoverage(false); break;
+ case GL_SCISSOR_TEST: context->setScissorTest(false); break;
+ case GL_STENCIL_TEST: context->setStencilTest(false); break;
+ case GL_DEPTH_TEST: context->setDepthTest(false); break;
+ case GL_BLEND: context->setBlend(false); break;
+ case GL_DITHER: context->setDither(false); break;
+ default:
+ return error(GL_INVALID_ENUM);
+ }
+ }
+ }
+ catch(std::bad_alloc&)
+ {
+ return error(GL_OUT_OF_MEMORY);
+ }
+}
+
+void GL_APIENTRY glDisableVertexAttribArray(GLuint index)
+{
+ TRACE("(GLuint index = %d)", index);
+
+ try
+ {
+ if(index >= gl::MAX_VERTEX_ATTRIBS)
+ {
+ return error(GL_INVALID_VALUE);
+ }
+
+ gl::Context *context = gl::getContext();
+
+ if(context)
+ {
+ context->setEnableVertexAttribArray(index, false);
+ }
+ }
+ catch(std::bad_alloc&)
+ {
+ return error(GL_OUT_OF_MEMORY);
+ }
+}
+
+void GL_APIENTRY glDrawArrays(GLenum mode, GLint first, GLsizei count)
+{
+ TRACE("(GLenum mode = 0x%X, GLint first = %d, GLsizei count = %d)", mode, first, count);
+
+ try
+ {
+ if(count < 0 || first < 0)
+ {
+ return error(GL_INVALID_VALUE);
+ }
+
+ gl::Context *context = gl::getContext();
+
+ if(context)
+ {
+ context->drawArrays(mode, first, count);
+ }
+ }
+ catch(std::bad_alloc&)
+ {
+ return error(GL_OUT_OF_MEMORY);
+ }
+}
+
+void GL_APIENTRY glDrawElements(GLenum mode, GLsizei count, GLenum type, const GLvoid* indices)
+{
+ TRACE("(GLenum mode = 0x%X, GLsizei count = %d, GLenum type = 0x%X, const GLvoid* indices = 0x%0.8p)",
+ mode, count, type, indices);
+
+ try
+ {
+ if(count < 0)
+ {
+ return error(GL_INVALID_VALUE);
+ }
+
+ gl::Context *context = gl::getContext();
+
+ if(context)
+ {
+ switch(type)
+ {
+ case GL_UNSIGNED_BYTE:
+ case GL_UNSIGNED_SHORT:
+ case GL_UNSIGNED_INT:
+ break;
+ default:
+ return error(GL_INVALID_ENUM);
+ }
+
+ context->drawElements(mode, count, type, indices);
+ }
+ }
+ catch(std::bad_alloc&)
+ {
+ return error(GL_OUT_OF_MEMORY);
+ }
+}
+
+void GL_APIENTRY glEnable(GLenum cap)
+{
+ TRACE("(GLenum cap = 0x%X)", cap);
+
+ try
+ {
+ gl::Context *context = gl::getContext();
+
+ if(context)
+ {
+ switch(cap)
+ {
+ case GL_CULL_FACE: context->setCullFace(true); break;
+ case GL_POLYGON_OFFSET_FILL: context->setPolygonOffsetFill(true); break;
+ case GL_SAMPLE_ALPHA_TO_COVERAGE: context->setSampleAlphaToCoverage(true); break;
+ case GL_SAMPLE_COVERAGE: context->setSampleCoverage(true); break;
+ case GL_SCISSOR_TEST: context->setScissorTest(true); break;
+ case GL_STENCIL_TEST: context->setStencilTest(true); break;
+ case GL_DEPTH_TEST: context->setDepthTest(true); break;
+ case GL_BLEND: context->setBlend(true); break;
+ case GL_DITHER: context->setDither(true); break;
+ default:
+ return error(GL_INVALID_ENUM);
+ }
+ }
+ }
+ catch(std::bad_alloc&)
+ {
+ return error(GL_OUT_OF_MEMORY);
+ }
+}
+
+void GL_APIENTRY glEnableVertexAttribArray(GLuint index)
+{
+ TRACE("(GLuint index = %d)", index);
+
+ try
+ {
+ if(index >= gl::MAX_VERTEX_ATTRIBS)
+ {
+ return error(GL_INVALID_VALUE);
+ }
+
+ gl::Context *context = gl::getContext();
+
+ if(context)
+ {
+ context->setEnableVertexAttribArray(index, true);
+ }
+ }
+ catch(std::bad_alloc&)
+ {
+ return error(GL_OUT_OF_MEMORY);
+ }
+}
+
+void GL_APIENTRY glEndQueryEXT(GLenum target)
+{
+ TRACE("GLenum target = 0x%X)", target);
+
+ try
+ {
+ switch(target)
+ {
+ case GL_ANY_SAMPLES_PASSED_EXT:
+ case GL_ANY_SAMPLES_PASSED_CONSERVATIVE_EXT:
+ break;
+ default:
+ return error(GL_INVALID_ENUM);
+ }
+
+ gl::Context *context = gl::getContext();
+
+ if(context)
+ {
+ context->endQuery(target);
+ }
+ }
+ catch(std::bad_alloc&)
+ {
+ return error(GL_OUT_OF_MEMORY);
+ }
+}
+
+void GL_APIENTRY glFinishFenceNV(GLuint fence)
+{
+ TRACE("(GLuint fence = %d)", fence);
+
+ try
+ {
+ gl::Context *context = gl::getContext();
+
+ if(context)
+ {
+ gl::Fence* fenceObject = context->getFence(fence);
+
+ if(fenceObject == NULL)
+ {
+ return error(GL_INVALID_OPERATION);
+ }
+
+ fenceObject->finishFence();
+ }
+ }
+ catch(std::bad_alloc&)
+ {
+ return error(GL_OUT_OF_MEMORY);
+ }
+}
+
+void GL_APIENTRY glFinish(void)
+{
+ TRACE("()");
+
+ try
+ {
+ gl::Context *context = gl::getContext();
+
+ if(context)
+ {
+ context->finish();
+ }
+ }
+ catch(std::bad_alloc&)
+ {
+ return error(GL_OUT_OF_MEMORY);
+ }
+}
+
+void GL_APIENTRY glFlush(void)
+{
+ TRACE("()");
+
+ try
+ {
+ gl::Context *context = gl::getContext();
+
+ if(context)
+ {
+ context->flush();
+ }
+ }
+ catch(std::bad_alloc&)
+ {
+ return error(GL_OUT_OF_MEMORY);
+ }
+}
+
+void GL_APIENTRY glFramebufferRenderbuffer(GLenum target, GLenum attachment, GLenum renderbuffertarget, GLuint renderbuffer)
+{
+ TRACE("(GLenum target = 0x%X, GLenum attachment = 0x%X, GLenum renderbuffertarget = 0x%X, "
+ "GLuint renderbuffer = %d)", target, attachment, renderbuffertarget, renderbuffer);
+
+ try
+ {
+ if((target != GL_FRAMEBUFFER && target != GL_DRAW_FRAMEBUFFER_ANGLE && target != GL_READ_FRAMEBUFFER_ANGLE)
+ || (renderbuffertarget != GL_RENDERBUFFER && renderbuffer != 0))
+ {
+ return error(GL_INVALID_ENUM);
+ }
+
+ gl::Context *context = gl::getContext();
+
+ if(context)
+ {
+ gl::Framebuffer *framebuffer = NULL;
+ GLuint framebufferHandle = 0;
+ if(target == GL_READ_FRAMEBUFFER_ANGLE)
+ {
+ framebuffer = context->getReadFramebuffer();
+ framebufferHandle = context->getReadFramebufferHandle();
+ }
+ else
+ {
+ framebuffer = context->getDrawFramebuffer();
+ framebufferHandle = context->getDrawFramebufferHandle();
+ }
+
+ if(!framebuffer || (framebufferHandle == 0 && renderbuffer != 0))
+ {
+ return error(GL_INVALID_OPERATION);
+ }
+
+ switch(attachment)
+ {
+ case GL_COLOR_ATTACHMENT0:
+ framebuffer->setColorbuffer(GL_RENDERBUFFER, renderbuffer);
+ break;
+ case GL_DEPTH_ATTACHMENT:
+ framebuffer->setDepthbuffer(GL_RENDERBUFFER, renderbuffer);
+ break;
+ case GL_STENCIL_ATTACHMENT:
+ framebuffer->setStencilbuffer(GL_RENDERBUFFER, renderbuffer);
+ break;
+ default:
+ return error(GL_INVALID_ENUM);
+ }
+ }
+ }
+ catch(std::bad_alloc&)
+ {
+ return error(GL_OUT_OF_MEMORY);
+ }
+}
+
+void GL_APIENTRY glFramebufferTexture2D(GLenum target, GLenum attachment, GLenum textarget, GLuint texture, GLint level)
+{
+ TRACE("(GLenum target = 0x%X, GLenum attachment = 0x%X, GLenum textarget = 0x%X, "
+ "GLuint texture = %d, GLint level = %d)", target, attachment, textarget, texture, level);
+
+ try
+ {
+ if(target != GL_FRAMEBUFFER && target != GL_DRAW_FRAMEBUFFER_ANGLE && target != GL_READ_FRAMEBUFFER_ANGLE)
+ {
+ return error(GL_INVALID_ENUM);
+ }
+
+ switch(attachment)
+ {
+ case GL_COLOR_ATTACHMENT0:
+ case GL_DEPTH_ATTACHMENT:
+ case GL_STENCIL_ATTACHMENT:
+ break;
+ default:
+ return error(GL_INVALID_ENUM);
+ }
+
+ gl::Context *context = gl::getContext();
+
+ if(context)
+ {
+ if(texture == 0)
+ {
+ textarget = GL_NONE;
+ }
+ else
+ {
+ gl::Texture *tex = context->getTexture(texture);
+
+ if(tex == NULL)
+ {
+ return error(GL_INVALID_OPERATION);
+ }
+
+ if(tex->isCompressed(textarget, level))
+ {
+ return error(GL_INVALID_OPERATION);
+ }
+
+ switch(textarget)
+ {
+ case GL_TEXTURE_2D:
+ if(tex->getTarget() != GL_TEXTURE_2D)
+ {
+ return error(GL_INVALID_OPERATION);
+ }
+ break;
+
+ case GL_TEXTURE_CUBE_MAP_POSITIVE_X:
+ case GL_TEXTURE_CUBE_MAP_NEGATIVE_X:
+ case GL_TEXTURE_CUBE_MAP_POSITIVE_Y:
+ case GL_TEXTURE_CUBE_MAP_NEGATIVE_Y:
+ case GL_TEXTURE_CUBE_MAP_POSITIVE_Z:
+ case GL_TEXTURE_CUBE_MAP_NEGATIVE_Z:
+ if(tex->getTarget() != GL_TEXTURE_CUBE_MAP)
+ {
+ return error(GL_INVALID_OPERATION);
+ }
+ break;
+
+ default:
+ return error(GL_INVALID_ENUM);
+ }
+
+ if(level != 0)
+ {
+ return error(GL_INVALID_VALUE);
+ }
+ }
+
+ gl::Framebuffer *framebuffer = NULL;
+ GLuint framebufferHandle = 0;
+ if(target == GL_READ_FRAMEBUFFER_ANGLE)
+ {
+ framebuffer = context->getReadFramebuffer();
+ framebufferHandle = context->getReadFramebufferHandle();
+ }
+ else
+ {
+ framebuffer = context->getDrawFramebuffer();
+ framebufferHandle = context->getDrawFramebufferHandle();
+ }
+
+ if(framebufferHandle == 0 || !framebuffer)
+ {
+ return error(GL_INVALID_OPERATION);
+ }
+
+ switch(attachment)
+ {
+ case GL_COLOR_ATTACHMENT0: framebuffer->setColorbuffer(textarget, texture); break;
+ case GL_DEPTH_ATTACHMENT: framebuffer->setDepthbuffer(textarget, texture); break;
+ case GL_STENCIL_ATTACHMENT: framebuffer->setStencilbuffer(textarget, texture); break;
+ }
+ }
+ }
+ catch(std::bad_alloc&)
+ {
+ return error(GL_OUT_OF_MEMORY);
+ }
+}
+
+void GL_APIENTRY glFrontFace(GLenum mode)
+{
+ TRACE("(GLenum mode = 0x%X)", mode);
+
+ try
+ {
+ switch(mode)
+ {
+ case GL_CW:
+ case GL_CCW:
+ {
+ gl::Context *context = gl::getContext();
+
+ if(context)
+ {
+ context->setFrontFace(mode);
+ }
+ }
+ break;
+ default:
+ return error(GL_INVALID_ENUM);
+ }
+ }
+ catch(std::bad_alloc&)
+ {
+ return error(GL_OUT_OF_MEMORY);
+ }
+}
+
+void GL_APIENTRY glGenBuffers(GLsizei n, GLuint* buffers)
+{
+ TRACE("(GLsizei n = %d, GLuint* buffers = 0x%0.8p)", n, buffers);
+
+ try
+ {
+ if(n < 0)
+ {
+ return error(GL_INVALID_VALUE);
+ }
+
+ gl::Context *context = gl::getContext();
+
+ if(context)
+ {
+ for(int i = 0; i < n; i++)
+ {
+ buffers[i] = context->createBuffer();
+ }
+ }
+ }
+ catch(std::bad_alloc&)
+ {
+ return error(GL_OUT_OF_MEMORY);
+ }
+}
+
+void GL_APIENTRY glGenerateMipmap(GLenum target)
+{
+ TRACE("(GLenum target = 0x%X)", target);
+
+ try
+ {
+ gl::Context *context = gl::getContext();
+
+ if(context)
+ {
+ gl::Texture *texture;
+
+ switch(target)
+ {
+ case GL_TEXTURE_2D:
+ texture = context->getTexture2D();
+ break;
+ case GL_TEXTURE_CUBE_MAP:
+ texture = context->getTextureCubeMap();
+ break;
+ default:
+ return error(GL_INVALID_ENUM);
+ }
+
+ if(texture->isCompressed(target, 0) || texture->isDepth(target, 0))
+ {
+ return error(GL_INVALID_OPERATION);
+ }
+
+ texture->generateMipmaps();
+ }
+ }
+ catch(std::bad_alloc&)
+ {
+ return error(GL_OUT_OF_MEMORY);
+ }
+}
+
+void GL_APIENTRY glGenFencesNV(GLsizei n, GLuint* fences)
+{
+ TRACE("(GLsizei n = %d, GLuint* fences = 0x%0.8p)", n, fences);
+
+ try
+ {
+ if(n < 0)
+ {
+ return error(GL_INVALID_VALUE);
+ }
+
+ gl::Context *context = gl::getContext();
+
+ if(context)
+ {
+ for(int i = 0; i < n; i++)
+ {
+ fences[i] = context->createFence();
+ }
+ }
+ }
+ catch(std::bad_alloc&)
+ {
+ return error(GL_OUT_OF_MEMORY);
+ }
+}
+
+void GL_APIENTRY glGenFramebuffers(GLsizei n, GLuint* framebuffers)
+{
+ TRACE("(GLsizei n = %d, GLuint* framebuffers = 0x%0.8p)", n, framebuffers);
+
+ try
+ {
+ if(n < 0)
+ {
+ return error(GL_INVALID_VALUE);
+ }
+
+ gl::Context *context = gl::getContext();
+
+ if(context)
+ {
+ for(int i = 0; i < n; i++)
+ {
+ framebuffers[i] = context->createFramebuffer();
+ }
+ }
+ }
+ catch(std::bad_alloc&)
+ {
+ return error(GL_OUT_OF_MEMORY);
+ }
+}
+
+void GL_APIENTRY glGenQueriesEXT(GLsizei n, GLuint* ids)
+{
+ TRACE("(GLsizei n = %d, GLuint* ids = 0x%0.8p)", n, ids);
+
+ try
+ {
+ if(n < 0)
+ {
+ return error(GL_INVALID_VALUE);
+ }
+
+ gl::Context *context = gl::getContext();
+
+ if(context)
+ {
+ for(int i = 0; i < n; i++)
+ {
+ ids[i] = context->createQuery();
+ }
+ }
+ }
+ catch(std::bad_alloc&)
+ {
+ return error(GL_OUT_OF_MEMORY);
+ }
+}
+
+void GL_APIENTRY glGenRenderbuffers(GLsizei n, GLuint* renderbuffers)
+{
+ TRACE("(GLsizei n = %d, GLuint* renderbuffers = 0x%0.8p)", n, renderbuffers);
+
+ try
+ {
+ if(n < 0)
+ {
+ return error(GL_INVALID_VALUE);
+ }
+
+ gl::Context *context = gl::getContext();
+
+ if(context)
+ {
+ for(int i = 0; i < n; i++)
+ {
+ renderbuffers[i] = context->createRenderbuffer();
+ }
+ }
+ }
+ catch(std::bad_alloc&)
+ {
+ return error(GL_OUT_OF_MEMORY);
+ }
+}
+
+void GL_APIENTRY glGenTextures(GLsizei n, GLuint* textures)
+{
+ TRACE("(GLsizei n = %d, GLuint* textures = 0x%0.8p)", n, textures);
+
+ try
+ {
+ if(n < 0)
+ {
+ return error(GL_INVALID_VALUE);
+ }
+
+ gl::Context *context = gl::getContext();
+
+ if(context)
+ {
+ for(int i = 0; i < n; i++)
+ {
+ textures[i] = context->createTexture();
+ }
+ }
+ }
+ catch(std::bad_alloc&)
+ {
+ return error(GL_OUT_OF_MEMORY);
+ }
+}
+
+void GL_APIENTRY glGetActiveAttrib(GLuint program, GLuint index, GLsizei bufsize, GLsizei *length, GLint *size, GLenum *type, GLchar *name)
+{
+ TRACE("(GLuint program = %d, GLuint index = %d, GLsizei bufsize = %d, GLsizei *length = 0x%0.8p, "
+ "GLint *size = 0x%0.8p, GLenum *type = %0.8p, GLchar *name = %0.8p)",
+ program, index, bufsize, length, size, type, name);
+
+ try
+ {
+ if(bufsize < 0)
+ {
+ return error(GL_INVALID_VALUE);
+ }
+
+ gl::Context *context = gl::getContext();
+
+ if(context)
+ {
+ gl::Program *programObject = context->getProgram(program);
+
+ if(!programObject)
+ {
+ if(context->getShader(program))
+ {
+ return error(GL_INVALID_OPERATION);
+ }
+ else
+ {
+ return error(GL_INVALID_VALUE);
+ }
+ }
+
+ if(index >= (GLuint)programObject->getActiveAttributeCount())
+ {
+ return error(GL_INVALID_VALUE);
+ }
+
+ programObject->getActiveAttribute(index, bufsize, length, size, type, name);
+ }
+ }
+ catch(std::bad_alloc&)
+ {
+ return error(GL_OUT_OF_MEMORY);
+ }
+}
+
+void GL_APIENTRY glGetActiveUniform(GLuint program, GLuint index, GLsizei bufsize, GLsizei* length, GLint* size, GLenum* type, GLchar* name)
+{
+ TRACE("(GLuint program = %d, GLuint index = %d, GLsizei bufsize = %d, "
+ "GLsizei* length = 0x%0.8p, GLint* size = 0x%0.8p, GLenum* type = 0x%0.8p, GLchar* name = 0x%0.8p)",
+ program, index, bufsize, length, size, type, name);
+
+ try
+ {
+ if(bufsize < 0)
+ {
+ return error(GL_INVALID_VALUE);
+ }
+
+ gl::Context *context = gl::getContext();
+
+ if(context)
+ {
+ gl::Program *programObject = context->getProgram(program);
+
+ if(!programObject)
+ {
+ if(context->getShader(program))
+ {
+ return error(GL_INVALID_OPERATION);
+ }
+ else
+ {
+ return error(GL_INVALID_VALUE);
+ }
+ }
+
+ if(index >= (GLuint)programObject->getActiveUniformCount())
+ {
+ return error(GL_INVALID_VALUE);
+ }
+
+ programObject->getActiveUniform(index, bufsize, length, size, type, name);
+ }
+ }
+ catch(std::bad_alloc&)
+ {
+ return error(GL_OUT_OF_MEMORY);
+ }
+}
+
+void GL_APIENTRY glGetAttachedShaders(GLuint program, GLsizei maxcount, GLsizei* count, GLuint* shaders)
+{
+ TRACE("(GLuint program = %d, GLsizei maxcount = %d, GLsizei* count = 0x%0.8p, GLuint* shaders = 0x%0.8p)",
+ program, maxcount, count, shaders);
+
+ try
+ {
+ if(maxcount < 0)
+ {
+ return error(GL_INVALID_VALUE);
+ }
+
+ gl::Context *context = gl::getContext();
+
+ if(context)
+ {
+ gl::Program *programObject = context->getProgram(program);
+
+ if(!programObject)
+ {
+ if(context->getShader(program))
+ {
+ return error(GL_INVALID_OPERATION);
+ }
+ else
+ {
+ return error(GL_INVALID_VALUE);
+ }
+ }
+
+ return programObject->getAttachedShaders(maxcount, count, shaders);
+ }
+ }
+ catch(std::bad_alloc&)
+ {
+ return error(GL_OUT_OF_MEMORY);
+ }
+}
+
+int GL_APIENTRY glGetAttribLocation(GLuint program, const GLchar* name)
+{
+ TRACE("(GLuint program = %d, const GLchar* name = %s)", program, name);
+
+ try
+ {
+ gl::Context *context = gl::getContext();
+
+ if(context)
+ {
+
+ gl::Program *programObject = context->getProgram(program);
+
+ if(!programObject)
+ {
+ if(context->getShader(program))
+ {
+ return error(GL_INVALID_OPERATION, -1);
+ }
+ else
+ {
+ return error(GL_INVALID_VALUE, -1);
+ }
+ }
+
+ if(!programObject->isLinked())
+ {
+ return error(GL_INVALID_OPERATION, -1);
+ }
+
+ return programObject->getAttributeLocation(name);
+ }
+ }
+ catch(std::bad_alloc&)
+ {
+ return error(GL_OUT_OF_MEMORY, -1);
+ }
+
+ return -1;
+}
+
+void GL_APIENTRY glGetBooleanv(GLenum pname, GLboolean* params)
+{
+ TRACE("(GLenum pname = 0x%X, GLboolean* params = 0x%0.8p)", pname, params);
+
+ try
+ {
+ gl::Context *context = gl::getContext();
+
+ if(context)
+ {
+ if(!(context->getBooleanv(pname, params)))
+ {
+ GLenum nativeType;
+ unsigned int numParams = 0;
+ if(!context->getQueryParameterInfo(pname, &nativeType, &numParams))
+ return error(GL_INVALID_ENUM);
+
+ if(numParams == 0)
+ return; // it is known that the pname is valid, but there are no parameters to return
+
+ if(nativeType == GL_FLOAT)
+ {
+ GLfloat *floatParams = NULL;
+ floatParams = new GLfloat[numParams];
+
+ context->getFloatv(pname, floatParams);
+
+ for(unsigned int i = 0; i < numParams; ++i)
+ {
+ if(floatParams[i] == 0.0f)
+ params[i] = GL_FALSE;
+ else
+ params[i] = GL_TRUE;
+ }
+
+ delete [] floatParams;
+ }
+ else if(nativeType == GL_INT)
+ {
+ GLint *intParams = NULL;
+ intParams = new GLint[numParams];
+
+ context->getIntegerv(pname, intParams);
+
+ for(unsigned int i = 0; i < numParams; ++i)
+ {
+ if(intParams[i] == 0)
+ params[i] = GL_FALSE;
+ else
+ params[i] = GL_TRUE;
+ }
+
+ delete [] intParams;
+ }
+ }
+ }
+ }
+ catch(std::bad_alloc&)
+ {
+ return error(GL_OUT_OF_MEMORY);
+ }
+}
+
+void GL_APIENTRY glGetBufferParameteriv(GLenum target, GLenum pname, GLint* params)
+{
+ TRACE("(GLenum target = 0x%X, GLenum pname = 0x%X, GLint* params = 0x%0.8p)", target, pname, params);
+
+ try
+ {
+ gl::Context *context = gl::getContext();
+
+ if(context)
+ {
+ gl::Buffer *buffer;
+
+ switch(target)
+ {
+ case GL_ARRAY_BUFFER:
+ buffer = context->getArrayBuffer();
+ break;
+ case GL_ELEMENT_ARRAY_BUFFER:
+ buffer = context->getElementArrayBuffer();
+ break;
+ default: return error(GL_INVALID_ENUM);
+ }
+
+ if(!buffer)
+ {
+ // A null buffer means that "0" is bound to the requested buffer target
+ return error(GL_INVALID_OPERATION);
+ }
+
+ switch(pname)
+ {
+ case GL_BUFFER_USAGE:
+ *params = buffer->usage();
+ break;
+ case GL_BUFFER_SIZE:
+ *params = buffer->size();
+ break;
+ default: return error(GL_INVALID_ENUM);
+ }
+ }
+ }
+ catch(std::bad_alloc&)
+ {
+ return error(GL_OUT_OF_MEMORY);
+ }
+}
+
+GLenum GL_APIENTRY glGetError(void)
+{
+ TRACE("()");
+
+ gl::Context *context = gl::getContext();
+
+ if(context)
+ {
+ return context->getError();
+ }
+
+ return GL_NO_ERROR;
+}
+
+void GL_APIENTRY glGetFenceivNV(GLuint fence, GLenum pname, GLint *params)
+{
+ TRACE("(GLuint fence = %d, GLenum pname = 0x%X, GLint *params = 0x%0.8p)", fence, pname, params);
+
+ try
+ {
+ gl::Context *context = gl::getContext();
+
+ if(context)
+ {
+ gl::Fence *fenceObject = context->getFence(fence);
+
+ if(fenceObject == NULL)
+ {
+ return error(GL_INVALID_OPERATION);
+ }
+
+ fenceObject->getFenceiv(pname, params);
+ }
+ }
+ catch(std::bad_alloc&)
+ {
+ return error(GL_OUT_OF_MEMORY);
+ }
+}
+
+void GL_APIENTRY glGetFloatv(GLenum pname, GLfloat* params)
+{
+ TRACE("(GLenum pname = 0x%X, GLfloat* params = 0x%0.8p)", pname, params);
+
+ try
+ {
+ gl::Context *context = gl::getContext();
+
+ if(context)
+ {
+ if(!(context->getFloatv(pname, params)))
+ {
+ GLenum nativeType;
+ unsigned int numParams = 0;
+ if(!context->getQueryParameterInfo(pname, &nativeType, &numParams))
+ return error(GL_INVALID_ENUM);
+
+ if(numParams == 0)
+ return; // it is known that the pname is valid, but that there are no parameters to return.
+
+ if(nativeType == GL_BOOL)
+ {
+ GLboolean *boolParams = NULL;
+ boolParams = new GLboolean[numParams];
+
+ context->getBooleanv(pname, boolParams);
+
+ for(unsigned int i = 0; i < numParams; ++i)
+ {
+ if(boolParams[i] == GL_FALSE)
+ params[i] = 0.0f;
+ else
+ params[i] = 1.0f;
+ }
+
+ delete [] boolParams;
+ }
+ else if(nativeType == GL_INT)
+ {
+ GLint *intParams = NULL;
+ intParams = new GLint[numParams];
+
+ context->getIntegerv(pname, intParams);
+
+ for(unsigned int i = 0; i < numParams; ++i)
+ {
+ params[i] = (GLfloat)intParams[i];
+ }
+
+ delete [] intParams;
+ }
+ }
+ }
+ }
+ catch(std::bad_alloc&)
+ {
+ return error(GL_OUT_OF_MEMORY);
+ }
+}
+
+void GL_APIENTRY glGetFramebufferAttachmentParameteriv(GLenum target, GLenum attachment, GLenum pname, GLint* params)
+{
+ TRACE("(GLenum target = 0x%X, GLenum attachment = 0x%X, GLenum pname = 0x%X, GLint* params = 0x%0.8p)",
+ target, attachment, pname, params);
+
+ try
+ {
+ gl::Context *context = gl::getContext();
+
+ if(context)
+ {
+ if(target != GL_FRAMEBUFFER && target != GL_DRAW_FRAMEBUFFER_ANGLE && target != GL_READ_FRAMEBUFFER_ANGLE)
+ {
+ return error(GL_INVALID_ENUM);
+ }
+
+ gl::Framebuffer *framebuffer = NULL;
+ if(target == GL_READ_FRAMEBUFFER_ANGLE)
+ {
+ if(context->getReadFramebufferHandle() == 0)
+ {
+ return error(GL_INVALID_OPERATION);
+ }
+
+ framebuffer = context->getReadFramebuffer();
+ }
+ else
+ {
+ if(context->getDrawFramebufferHandle() == 0)
+ {
+ return error(GL_INVALID_OPERATION);
+ }
+
+ framebuffer = context->getDrawFramebuffer();
+ }
+
+ GLenum attachmentType;
+ GLuint attachmentHandle;
+ switch(attachment)
+ {
+ case GL_COLOR_ATTACHMENT0:
+ attachmentType = framebuffer->getColorbufferType();
+ attachmentHandle = framebuffer->getColorbufferHandle();
+ break;
+ case GL_DEPTH_ATTACHMENT:
+ attachmentType = framebuffer->getDepthbufferType();
+ attachmentHandle = framebuffer->getDepthbufferHandle();
+ break;
+ case GL_STENCIL_ATTACHMENT:
+ attachmentType = framebuffer->getStencilbufferType();
+ attachmentHandle = framebuffer->getStencilbufferHandle();
+ break;
+ default: return error(GL_INVALID_ENUM);
+ }
+
+ GLenum attachmentObjectType; // Type category
+ if(attachmentType == GL_NONE || attachmentType == GL_RENDERBUFFER)
+ {
+ attachmentObjectType = attachmentType;
+ }
+ else if(gl::IsTextureTarget(attachmentType))
+ {
+ attachmentObjectType = GL_TEXTURE;
+ }
+ else UNREACHABLE();
+
+ switch(pname)
+ {
+ case GL_FRAMEBUFFER_ATTACHMENT_OBJECT_TYPE:
+ *params = attachmentObjectType;
+ break;
+ case GL_FRAMEBUFFER_ATTACHMENT_OBJECT_NAME:
+ if(attachmentObjectType == GL_RENDERBUFFER || attachmentObjectType == GL_TEXTURE)
+ {
+ *params = attachmentHandle;
+ }
+ else
+ {
+ return error(GL_INVALID_ENUM);
+ }
+ break;
+ case GL_FRAMEBUFFER_ATTACHMENT_TEXTURE_LEVEL:
+ if(attachmentObjectType == GL_TEXTURE)
+ {
+ *params = 0; // FramebufferTexture2D will not allow level to be set to anything else in GL ES 2.0
+ }
+ else
+ {
+ return error(GL_INVALID_ENUM);
+ }
+ break;
+ case GL_FRAMEBUFFER_ATTACHMENT_TEXTURE_CUBE_MAP_FACE:
+ if(attachmentObjectType == GL_TEXTURE)
+ {
+ if(gl::IsCubemapTextureTarget(attachmentType))
+ {
+ *params = attachmentType;
+ }
+ else
+ {
+ *params = 0;
+ }
+ }
+ else
+ {
+ return error(GL_INVALID_ENUM);
+ }
+ break;
+ default:
+ return error(GL_INVALID_ENUM);
+ }
+ }
+ }
+ catch(std::bad_alloc&)
+ {
+ return error(GL_OUT_OF_MEMORY);
+ }
+}
+
+GLenum GL_APIENTRY glGetGraphicsResetStatusEXT(void)
+{
+ TRACE("()");
+
+ return GL_NO_ERROR;
+}
+
+void GL_APIENTRY glGetIntegerv(GLenum pname, GLint* params)
+{
+ TRACE("(GLenum pname = 0x%X, GLint* params = 0x%0.8p)", pname, params);
+
+ try
+ {
+ gl::Context *context = gl::getContext();
+
+ if(context)
+ {
+ if(!(context->getIntegerv(pname, params)))
+ {
+ GLenum nativeType;
+ unsigned int numParams = 0;
+ if(!context->getQueryParameterInfo(pname, &nativeType, &numParams))
+ return error(GL_INVALID_ENUM);
+
+ if(numParams == 0)
+ return; // it is known that pname is valid, but there are no parameters to return
+
+ if(nativeType == GL_BOOL)
+ {
+ GLboolean *boolParams = NULL;
+ boolParams = new GLboolean[numParams];
+
+ context->getBooleanv(pname, boolParams);
+
+ for(unsigned int i = 0; i < numParams; ++i)
+ {
+ if(boolParams[i] == GL_FALSE)
+ params[i] = 0;
+ else
+ params[i] = 1;
+ }
+
+ delete [] boolParams;
+ }
+ else if(nativeType == GL_FLOAT)
+ {
+ GLfloat *floatParams = NULL;
+ floatParams = new GLfloat[numParams];
+
+ context->getFloatv(pname, floatParams);
+
+ for(unsigned int i = 0; i < numParams; ++i)
+ {
+ if(pname == GL_DEPTH_RANGE || pname == GL_COLOR_CLEAR_VALUE || pname == GL_DEPTH_CLEAR_VALUE || pname == GL_BLEND_COLOR)
+ {
+ params[i] = (GLint)(((GLfloat)(0xFFFFFFFF) * floatParams[i] - 1.0f) / 2.0f);
+ }
+ else
+ params[i] = (GLint)(floatParams[i] > 0.0f ? floor(floatParams[i] + 0.5) : ceil(floatParams[i] - 0.5));
+ }
+
+ delete [] floatParams;
+ }
+ }
+ }
+ }
+ catch(std::bad_alloc&)
+ {
+ return error(GL_OUT_OF_MEMORY);
+ }
+}
+
+void GL_APIENTRY glGetProgramiv(GLuint program, GLenum pname, GLint* params)
+{
+ TRACE("(GLuint program = %d, GLenum pname = %d, GLint* params = 0x%0.8p)", program, pname, params);
+
+ try
+ {
+ gl::Context *context = gl::getContext();
+
+ if(context)
+ {
+ gl::Program *programObject = context->getProgram(program);
+
+ if(!programObject)
+ {
+ return error(GL_INVALID_VALUE);
+ }
+
+ switch(pname)
+ {
+ case GL_DELETE_STATUS:
+ *params = programObject->isFlaggedForDeletion();
+ return;
+ case GL_LINK_STATUS:
+ *params = programObject->isLinked();
+ return;
+ case GL_VALIDATE_STATUS:
+ *params = programObject->isValidated();
+ return;
+ case GL_INFO_LOG_LENGTH:
+ *params = programObject->getInfoLogLength();
+ return;
+ case GL_ATTACHED_SHADERS:
+ *params = programObject->getAttachedShadersCount();
+ return;
+ case GL_ACTIVE_ATTRIBUTES:
+ *params = programObject->getActiveAttributeCount();
+ return;
+ case GL_ACTIVE_ATTRIBUTE_MAX_LENGTH:
+ *params = programObject->getActiveAttributeMaxLength();
+ return;
+ case GL_ACTIVE_UNIFORMS:
+ *params = programObject->getActiveUniformCount();
+ return;
+ case GL_ACTIVE_UNIFORM_MAX_LENGTH:
+ *params = programObject->getActiveUniformMaxLength();
+ return;
+ default:
+ return error(GL_INVALID_ENUM);
+ }
+ }
+ }
+ catch(std::bad_alloc&)
+ {
+ return error(GL_OUT_OF_MEMORY);
+ }
+}
+
+void GL_APIENTRY glGetProgramInfoLog(GLuint program, GLsizei bufsize, GLsizei* length, GLchar* infolog)
+{
+ TRACE("(GLuint program = %d, GLsizei bufsize = %d, GLsizei* length = 0x%0.8p, GLchar* infolog = 0x%0.8p)",
+ program, bufsize, length, infolog);
+
+ try
+ {
+ if(bufsize < 0)
+ {
+ return error(GL_INVALID_VALUE);
+ }
+
+ gl::Context *context = gl::getContext();
+
+ if(context)
+ {
+ gl::Program *programObject = context->getProgram(program);
+
+ if(!programObject)
+ {
+ return error(GL_INVALID_VALUE);
+ }
+
+ programObject->getInfoLog(bufsize, length, infolog);
+ }
+ }
+ catch(std::bad_alloc&)
+ {
+ return error(GL_OUT_OF_MEMORY);
+ }
+}
+
+void GL_APIENTRY glGetQueryivEXT(GLenum target, GLenum pname, GLint *params)
+{
+ TRACE("GLenum target = 0x%X, GLenum pname = 0x%X, GLint *params = 0x%0.8p)", target, pname, params);
+
+ try
+ {
+ switch(pname)
+ {
+ case GL_CURRENT_QUERY_EXT:
+ break;
+ default:
+ return error(GL_INVALID_ENUM);
+ }
+
+ gl::Context *context = gl::getContext();
+
+ if(context)
+ {
+ params[0] = context->getActiveQuery(target);
+ }
+ }
+ catch(std::bad_alloc&)
+ {
+ return error(GL_OUT_OF_MEMORY);
+ }
+}
+
+void GL_APIENTRY glGetQueryObjectuivEXT(GLuint id, GLenum pname, GLuint *params)
+{
+ TRACE("(GLuint id = %d, GLenum pname = 0x%X, GLuint *params = 0x%0.8p)", id, pname, params);
+
+ try
+ {
+ switch(pname)
+ {
+ case GL_QUERY_RESULT_EXT:
+ case GL_QUERY_RESULT_AVAILABLE_EXT:
+ break;
+ default:
+ return error(GL_INVALID_ENUM);
+ }
+
+ gl::Context *context = gl::getContext();
+
+ if(context)
+ {
+ gl::Query *queryObject = context->getQuery(id, false, GL_NONE);
+
+ if(!queryObject)
+ {
+ return error(GL_INVALID_OPERATION);
+ }
+
+ if(context->getActiveQuery(queryObject->getType()) == id)
+ {
+ return error(GL_INVALID_OPERATION);
+ }
+
+ switch(pname)
+ {
+ case GL_QUERY_RESULT_EXT:
+ params[0] = queryObject->getResult();
+ break;
+ case GL_QUERY_RESULT_AVAILABLE_EXT:
+ params[0] = queryObject->isResultAvailable();
+ break;
+ default:
+ ASSERT(false);
+ }
+ }
+ }
+ catch(std::bad_alloc&)
+ {
+ return error(GL_OUT_OF_MEMORY);
+ }
+}
+
+void GL_APIENTRY glGetRenderbufferParameteriv(GLenum target, GLenum pname, GLint* params)
+{
+ TRACE("(GLenum target = 0x%X, GLenum pname = 0x%X, GLint* params = 0x%0.8p)", target, pname, params);
+
+ try
+ {
+ gl::Context *context = gl::getContext();
+
+ if(context)
+ {
+ if(target != GL_RENDERBUFFER)
+ {
+ return error(GL_INVALID_ENUM);
+ }
+
+ if(context->getRenderbufferHandle() == 0)
+ {
+ return error(GL_INVALID_OPERATION);
+ }
+
+ gl::Renderbuffer *renderbuffer = context->getRenderbuffer(context->getRenderbufferHandle());
+
+ switch(pname)
+ {
+ case GL_RENDERBUFFER_WIDTH: *params = renderbuffer->getWidth(); break;
+ case GL_RENDERBUFFER_HEIGHT: *params = renderbuffer->getHeight(); break;
+ case GL_RENDERBUFFER_INTERNAL_FORMAT: *params = renderbuffer->getFormat(); break;
+ case GL_RENDERBUFFER_RED_SIZE: *params = renderbuffer->getRedSize(); break;
+ case GL_RENDERBUFFER_GREEN_SIZE: *params = renderbuffer->getGreenSize(); break;
+ case GL_RENDERBUFFER_BLUE_SIZE: *params = renderbuffer->getBlueSize(); break;
+ case GL_RENDERBUFFER_ALPHA_SIZE: *params = renderbuffer->getAlphaSize(); break;
+ case GL_RENDERBUFFER_DEPTH_SIZE: *params = renderbuffer->getDepthSize(); break;
+ case GL_RENDERBUFFER_STENCIL_SIZE: *params = renderbuffer->getStencilSize(); break;
+ case GL_RENDERBUFFER_SAMPLES_ANGLE:
+ if(gl::IMPLEMENTATION_MAX_SAMPLES != 0)
+ {
+ *params = renderbuffer->getSamples();
+ }
+ else
+ {
+ return error(GL_INVALID_ENUM);
+ }
+ break;
+ default:
+ return error(GL_INVALID_ENUM);
+ }
+ }
+ }
+ catch(std::bad_alloc&)
+ {
+ return error(GL_OUT_OF_MEMORY);
+ }
+}
+
+void GL_APIENTRY glGetShaderiv(GLuint shader, GLenum pname, GLint* params)
+{
+ TRACE("(GLuint shader = %d, GLenum pname = %d, GLint* params = 0x%0.8p)", shader, pname, params);
+
+ try
+ {
+ gl::Context *context = gl::getContext();
+
+ if(context)
+ {
+ gl::Shader *shaderObject = context->getShader(shader);
+
+ if(!shaderObject)
+ {
+ return error(GL_INVALID_VALUE);
+ }
+
+ switch(pname)
+ {
+ case GL_SHADER_TYPE:
+ *params = shaderObject->getType();
+ return;
+ case GL_DELETE_STATUS:
+ *params = shaderObject->isFlaggedForDeletion();
+ return;
+ case GL_COMPILE_STATUS:
+ *params = shaderObject->isCompiled() ? GL_TRUE : GL_FALSE;
+ return;
+ case GL_INFO_LOG_LENGTH:
+ *params = shaderObject->getInfoLogLength();
+ return;
+ case GL_SHADER_SOURCE_LENGTH:
+ *params = shaderObject->getSourceLength();
+ return;
+ default:
+ return error(GL_INVALID_ENUM);
+ }
+ }
+ }
+ catch(std::bad_alloc&)
+ {
+ return error(GL_OUT_OF_MEMORY);
+ }
+}
+
+void GL_APIENTRY glGetShaderInfoLog(GLuint shader, GLsizei bufsize, GLsizei* length, GLchar* infolog)
+{
+ TRACE("(GLuint shader = %d, GLsizei bufsize = %d, GLsizei* length = 0x%0.8p, GLchar* infolog = 0x%0.8p)",
+ shader, bufsize, length, infolog);
+
+ try
+ {
+ if(bufsize < 0)
+ {
+ return error(GL_INVALID_VALUE);
+ }
+
+ gl::Context *context = gl::getContext();
+
+ if(context)
+ {
+ gl::Shader *shaderObject = context->getShader(shader);
+
+ if(!shaderObject)
+ {
+ return error(GL_INVALID_VALUE);
+ }
+
+ shaderObject->getInfoLog(bufsize, length, infolog);
+ }
+ }
+ catch(std::bad_alloc&)
+ {
+ return error(GL_OUT_OF_MEMORY);
+ }
+}
+
+void GL_APIENTRY glGetShaderPrecisionFormat(GLenum shadertype, GLenum precisiontype, GLint* range, GLint* precision)
+{
+ TRACE("(GLenum shadertype = 0x%X, GLenum precisiontype = 0x%X, GLint* range = 0x%0.8p, GLint* precision = 0x%0.8p)",
+ shadertype, precisiontype, range, precision);
+
+ try
+ {
+ switch(shadertype)
+ {
+ case GL_VERTEX_SHADER:
+ case GL_FRAGMENT_SHADER:
+ break;
+ default:
+ return error(GL_INVALID_ENUM);
+ }
+
+ switch(precisiontype)
+ {
+ case GL_LOW_FLOAT:
+ case GL_MEDIUM_FLOAT:
+ case GL_HIGH_FLOAT:
+ // IEEE 754 single-precision
+ range[0] = 127;
+ range[1] = 127;
+ *precision = 23;
+ break;
+ case GL_LOW_INT:
+ case GL_MEDIUM_INT:
+ case GL_HIGH_INT:
+ // Single-precision floating-point numbers can accurately represent integers up to +/-16777216
+ range[0] = 24;
+ range[1] = 24;
+ *precision = 0;
+ break;
+ default:
+ return error(GL_INVALID_ENUM);
+ }
+ }
+ catch(std::bad_alloc&)
+ {
+ return error(GL_OUT_OF_MEMORY);
+ }
+}
+
+void GL_APIENTRY glGetShaderSource(GLuint shader, GLsizei bufsize, GLsizei* length, GLchar* source)
+{
+ TRACE("(GLuint shader = %d, GLsizei bufsize = %d, GLsizei* length = 0x%0.8p, GLchar* source = 0x%0.8p)",
+ shader, bufsize, length, source);
+
+ try
+ {
+ if(bufsize < 0)
+ {
+ return error(GL_INVALID_VALUE);
+ }
+
+ gl::Context *context = gl::getContext();
+
+ if(context)
+ {
+ gl::Shader *shaderObject = context->getShader(shader);
+
+ if(!shaderObject)
+ {
+ return error(GL_INVALID_OPERATION);
+ }
+
+ shaderObject->getSource(bufsize, length, source);
+ }
+ }
+ catch(std::bad_alloc&)
+ {
+ return error(GL_OUT_OF_MEMORY);
+ }
+}
+
+const GLubyte* GL_APIENTRY glGetString(GLenum name)
+{
+ TRACE("(GLenum name = 0x%X)", name);
+
+ try
+ {
+ gl::Context *context = gl::getContext();
+
+ switch(name)
+ {
+ case GL_VENDOR:
+ return (GLubyte*)"TransGaming Inc.";
+ case GL_RENDERER:
+ return (GLubyte*)"SwiftShader";
+ case GL_VERSION:
+ return (GLubyte*)"OpenGL ES 2.0 SwiftShader "VERSION_STRING;
+ case GL_SHADING_LANGUAGE_VERSION:
+ return (GLubyte*)"OpenGL ES GLSL ES 1.00 SwiftShader "VERSION_STRING;
+ case GL_EXTENSIONS:
+ return (GLubyte*)((context != NULL) ? context->getExtensionString() : "");
+ default:
+ return error(GL_INVALID_ENUM, (GLubyte*)NULL);
+ }
+ }
+ catch(std::bad_alloc&)
+ {
+ return error(GL_OUT_OF_MEMORY, (GLubyte*)NULL);
+ }
+
+ return NULL;
+}
+
+void GL_APIENTRY glGetTexParameterfv(GLenum target, GLenum pname, GLfloat* params)
+{
+ TRACE("(GLenum target = 0x%X, GLenum pname = 0x%X, GLfloat* params = 0x%0.8p)", target, pname, params);
+
+ try
+ {
+ gl::Context *context = gl::getContext();
+
+ if(context)
+ {
+ gl::Texture *texture;
+
+ switch(target)
+ {
+ case GL_TEXTURE_2D:
+ texture = context->getTexture2D();
+ break;
+ case GL_TEXTURE_CUBE_MAP:
+ texture = context->getTextureCubeMap();
+ break;
+ default:
+ return error(GL_INVALID_ENUM);
+ }
+
+ switch(pname)
+ {
+ case GL_TEXTURE_MAG_FILTER:
+ *params = (GLfloat)texture->getMagFilter();
+ break;
+ case GL_TEXTURE_MIN_FILTER:
+ *params = (GLfloat)texture->getMinFilter();
+ break;
+ case GL_TEXTURE_WRAP_S:
+ *params = (GLfloat)texture->getWrapS();
+ break;
+ case GL_TEXTURE_WRAP_T:
+ *params = (GLfloat)texture->getWrapT();
+ break;
+ case GL_TEXTURE_MAX_ANISOTROPY_EXT:
+ *params = texture->getMaxAnisotropy();
+ break;
+ default:
+ return error(GL_INVALID_ENUM);
+ }
+ }
+ }
+ catch(std::bad_alloc&)
+ {
+ return error(GL_OUT_OF_MEMORY);
+ }
+}
+
+void GL_APIENTRY glGetTexParameteriv(GLenum target, GLenum pname, GLint* params)
+{
+ TRACE("(GLenum target = 0x%X, GLenum pname = 0x%X, GLint* params = 0x%0.8p)", target, pname, params);
+
+ try
+ {
+ gl::Context *context = gl::getContext();
+
+ if(context)
+ {
+ gl::Texture *texture;
+
+ switch(target)
+ {
+ case GL_TEXTURE_2D:
+ texture = context->getTexture2D();
+ break;
+ case GL_TEXTURE_CUBE_MAP:
+ texture = context->getTextureCubeMap();
+ break;
+ default:
+ return error(GL_INVALID_ENUM);
+ }
+
+ switch(pname)
+ {
+ case GL_TEXTURE_MAG_FILTER:
+ *params = texture->getMagFilter();
+ break;
+ case GL_TEXTURE_MIN_FILTER:
+ *params = texture->getMinFilter();
+ break;
+ case GL_TEXTURE_WRAP_S:
+ *params = texture->getWrapS();
+ break;
+ case GL_TEXTURE_WRAP_T:
+ *params = texture->getWrapT();
+ break;
+ case GL_TEXTURE_MAX_ANISOTROPY_EXT:
+ *params = (GLint)texture->getMaxAnisotropy();
+ break;
+ default:
+ return error(GL_INVALID_ENUM);
+ }
+ }
+ }
+ catch(std::bad_alloc&)
+ {
+ return error(GL_OUT_OF_MEMORY);
+ }
+}
+
+void GL_APIENTRY glGetnUniformfvEXT(GLuint program, GLint location, GLsizei bufSize, GLfloat* params)
+{
+ TRACE("(GLuint program = %d, GLint location = %d, GLsizei bufSize = %d, GLfloat* params = 0x%0.8p)",
+ program, location, bufSize, params);
+
+ try
+ {
+ if(bufSize < 0)
+ {
+ return error(GL_INVALID_VALUE);
+ }
+
+ gl::Context *context = gl::getContext();
+
+ if(context)
+ {
+ if(program == 0)
+ {
+ return error(GL_INVALID_VALUE);
+ }
+
+ gl::Program *programObject = context->getProgram(program);
+
+ if(!programObject || !programObject->isLinked())
+ {
+ return error(GL_INVALID_OPERATION);
+ }
+
+ if(!programObject->getUniformfv(location, &bufSize, params))
+ {
+ return error(GL_INVALID_OPERATION);
+ }
+ }
+ }
+ catch(std::bad_alloc&)
+ {
+ return error(GL_OUT_OF_MEMORY);
+ }
+}
+
+void GL_APIENTRY glGetUniformfv(GLuint program, GLint location, GLfloat* params)
+{
+ TRACE("(GLuint program = %d, GLint location = %d, GLfloat* params = 0x%0.8p)", program, location, params);
+
+ try
+ {
+ gl::Context *context = gl::getContext();
+
+ if(context)
+ {
+ if(program == 0)
+ {
+ return error(GL_INVALID_VALUE);
+ }
+
+ gl::Program *programObject = context->getProgram(program);
+
+ if(!programObject || !programObject->isLinked())
+ {
+ return error(GL_INVALID_OPERATION);
+ }
+
+ if(!programObject->getUniformfv(location, NULL, params))
+ {
+ return error(GL_INVALID_OPERATION);
+ }
+ }
+ }
+ catch(std::bad_alloc&)
+ {
+ return error(GL_OUT_OF_MEMORY);
+ }
+}
+
+void GL_APIENTRY glGetnUniformivEXT(GLuint program, GLint location, GLsizei bufSize, GLint* params)
+{
+ TRACE("(GLuint program = %d, GLint location = %d, GLsizei bufSize = %d, GLint* params = 0x%0.8p)",
+ program, location, bufSize, params);
+
+ try
+ {
+ if(bufSize < 0)
+ {
+ return error(GL_INVALID_VALUE);
+ }
+
+ gl::Context *context = gl::getContext();
+
+ if(context)
+ {
+ if(program == 0)
+ {
+ return error(GL_INVALID_VALUE);
+ }
+
+ gl::Program *programObject = context->getProgram(program);
+
+ if(!programObject || !programObject->isLinked())
+ {
+ return error(GL_INVALID_OPERATION);
+ }
+
+ if(!programObject)
+ {
+ return error(GL_INVALID_OPERATION);
+ }
+
+ if(!programObject->getUniformiv(location, &bufSize, params))
+ {
+ return error(GL_INVALID_OPERATION);
+ }
+ }
+ }
+ catch(std::bad_alloc&)
+ {
+ return error(GL_OUT_OF_MEMORY);
+ }
+}
+
+void GL_APIENTRY glGetUniformiv(GLuint program, GLint location, GLint* params)
+{
+ TRACE("(GLuint program = %d, GLint location = %d, GLint* params = 0x%0.8p)", program, location, params);
+
+ try
+ {
+ gl::Context *context = gl::getContext();
+
+ if(context)
+ {
+ if(program == 0)
+ {
+ return error(GL_INVALID_VALUE);
+ }
+
+ gl::Program *programObject = context->getProgram(program);
+
+ if(!programObject || !programObject->isLinked())
+ {
+ return error(GL_INVALID_OPERATION);
+ }
+
+ if(!programObject)
+ {
+ return error(GL_INVALID_OPERATION);
+ }
+
+ if(!programObject->getUniformiv(location, NULL, params))
+ {
+ return error(GL_INVALID_OPERATION);
+ }
+ }
+ }
+ catch(std::bad_alloc&)
+ {
+ return error(GL_OUT_OF_MEMORY);
+ }
+}
+
+int GL_APIENTRY glGetUniformLocation(GLuint program, const GLchar* name)
+{
+ TRACE("(GLuint program = %d, const GLchar* name = 0x%0.8p)", program, name);
+
+ try
+ {
+ gl::Context *context = gl::getContext();
+
+ if(strstr(name, "gl_") == name)
+ {
+ return -1;
+ }
+
+ if(context)
+ {
+ gl::Program *programObject = context->getProgram(program);
+
+ if(!programObject)
+ {
+ if(context->getShader(program))
+ {
+ return error(GL_INVALID_OPERATION, -1);
+ }
+ else
+ {
+ return error(GL_INVALID_VALUE, -1);
+ }
+ }
+
+ if(!programObject->isLinked())
+ {
+ return error(GL_INVALID_OPERATION, -1);
+ }
+
+ return programObject->getUniformLocation(name);
+ }
+ }
+ catch(std::bad_alloc&)
+ {
+ return error(GL_OUT_OF_MEMORY, -1);
+ }
+
+ return -1;
+}
+
+void GL_APIENTRY glGetVertexAttribfv(GLuint index, GLenum pname, GLfloat* params)
+{
+ TRACE("(GLuint index = %d, GLenum pname = 0x%X, GLfloat* params = 0x%0.8p)", index, pname, params);
+
+ try
+ {
+ gl::Context *context = gl::getContext();
+
+ if(context)
+ {
+ if(index >= gl::MAX_VERTEX_ATTRIBS)
+ {
+ return error(GL_INVALID_VALUE);
+ }
+
+ const gl::VertexAttribute &attribState = context->getVertexAttribState(index);
+
+ switch(pname)
+ {
+ case GL_VERTEX_ATTRIB_ARRAY_ENABLED:
+ *params = (GLfloat)(attribState.mArrayEnabled ? GL_TRUE : GL_FALSE);
+ break;
+ case GL_VERTEX_ATTRIB_ARRAY_SIZE:
+ *params = (GLfloat)attribState.mSize;
+ break;
+ case GL_VERTEX_ATTRIB_ARRAY_STRIDE:
+ *params = (GLfloat)attribState.mStride;
+ break;
+ case GL_VERTEX_ATTRIB_ARRAY_TYPE:
+ *params = (GLfloat)attribState.mType;
+ break;
+ case GL_VERTEX_ATTRIB_ARRAY_NORMALIZED:
+ *params = (GLfloat)(attribState.mNormalized ? GL_TRUE : GL_FALSE);
+ break;
+ case GL_VERTEX_ATTRIB_ARRAY_BUFFER_BINDING:
+ *params = (GLfloat)attribState.mBoundBuffer.id();
+ break;
+ case GL_CURRENT_VERTEX_ATTRIB:
+ for(int i = 0; i < 4; ++i)
+ {
+ params[i] = attribState.mCurrentValue[i];
+ }
+ break;
+ default: return error(GL_INVALID_ENUM);
+ }
+ }
+ }
+ catch(std::bad_alloc&)
+ {
+ return error(GL_OUT_OF_MEMORY);
+ }
+}
+
+void GL_APIENTRY glGetVertexAttribiv(GLuint index, GLenum pname, GLint* params)
+{
+ TRACE("(GLuint index = %d, GLenum pname = 0x%X, GLint* params = 0x%0.8p)", index, pname, params);
+
+ try
+ {
+ gl::Context *context = gl::getContext();
+
+ if(context)
+ {
+ if(index >= gl::MAX_VERTEX_ATTRIBS)
+ {
+ return error(GL_INVALID_VALUE);
+ }
+
+ const gl::VertexAttribute &attribState = context->getVertexAttribState(index);
+
+ switch(pname)
+ {
+ case GL_VERTEX_ATTRIB_ARRAY_ENABLED:
+ *params = (attribState.mArrayEnabled ? GL_TRUE : GL_FALSE);
+ break;
+ case GL_VERTEX_ATTRIB_ARRAY_SIZE:
+ *params = attribState.mSize;
+ break;
+ case GL_VERTEX_ATTRIB_ARRAY_STRIDE:
+ *params = attribState.mStride;
+ break;
+ case GL_VERTEX_ATTRIB_ARRAY_TYPE:
+ *params = attribState.mType;
+ break;
+ case GL_VERTEX_ATTRIB_ARRAY_NORMALIZED:
+ *params = (attribState.mNormalized ? GL_TRUE : GL_FALSE);
+ break;
+ case GL_VERTEX_ATTRIB_ARRAY_BUFFER_BINDING:
+ *params = attribState.mBoundBuffer.id();
+ break;
+ case GL_CURRENT_VERTEX_ATTRIB:
+ for(int i = 0; i < 4; ++i)
+ {
+ float currentValue = attribState.mCurrentValue[i];
+ params[i] = (GLint)(currentValue > 0.0f ? floor(currentValue + 0.5f) : ceil(currentValue - 0.5f));
+ }
+ break;
+ default: return error(GL_INVALID_ENUM);
+ }
+ }
+ }
+ catch(std::bad_alloc&)
+ {
+ return error(GL_OUT_OF_MEMORY);
+ }
+}
+
+void GL_APIENTRY glGetVertexAttribPointerv(GLuint index, GLenum pname, GLvoid** pointer)
+{
+ TRACE("(GLuint index = %d, GLenum pname = 0x%X, GLvoid** pointer = 0x%0.8p)", index, pname, pointer);
+
+ try
+ {
+ gl::Context *context = gl::getContext();
+
+ if(context)
+ {
+ if(index >= gl::MAX_VERTEX_ATTRIBS)
+ {
+ return error(GL_INVALID_VALUE);
+ }
+
+ if(pname != GL_VERTEX_ATTRIB_ARRAY_POINTER)
+ {
+ return error(GL_INVALID_ENUM);
+ }
+
+ *pointer = const_cast<GLvoid*>(context->getVertexAttribPointer(index));
+ }
+ }
+ catch(std::bad_alloc&)
+ {
+ return error(GL_OUT_OF_MEMORY);
+ }
+}
+
+void GL_APIENTRY glHint(GLenum target, GLenum mode)
+{
+ TRACE("(GLenum target = 0x%X, GLenum mode = 0x%X)", target, mode);
+
+ try
+ {
+ switch(mode)
+ {
+ case GL_FASTEST:
+ case GL_NICEST:
+ case GL_DONT_CARE:
+ break;
+ default:
+ return error(GL_INVALID_ENUM);
+ }
+
+ gl::Context *context = gl::getContext();
+ switch(target)
+ {
+ case GL_GENERATE_MIPMAP_HINT:
+ if(context) context->setGenerateMipmapHint(mode);
+ break;
+ case GL_FRAGMENT_SHADER_DERIVATIVE_HINT_OES:
+ if(context) context->setFragmentShaderDerivativeHint(mode);
+ break;
+ default:
+ return error(GL_INVALID_ENUM);
+ }
+ }
+ catch(std::bad_alloc&)
+ {
+ return error(GL_OUT_OF_MEMORY);
+ }
+}
+
+GLboolean GL_APIENTRY glIsBuffer(GLuint buffer)
+{
+ TRACE("(GLuint buffer = %d)", buffer);
+
+ try
+ {
+ gl::Context *context = gl::getContext();
+
+ if(context && buffer)
+ {
+ gl::Buffer *bufferObject = context->getBuffer(buffer);
+
+ if(bufferObject)
+ {
+ return GL_TRUE;
+ }
+ }
+ }
+ catch(std::bad_alloc&)
+ {
+ return error(GL_OUT_OF_MEMORY, GL_FALSE);
+ }
+
+ return GL_FALSE;
+}
+
+GLboolean GL_APIENTRY glIsEnabled(GLenum cap)
+{
+ TRACE("(GLenum cap = 0x%X)", cap);
+
+ try
+ {
+ gl::Context *context = gl::getContext();
+
+ if(context)
+ {
+ switch(cap)
+ {
+ case GL_CULL_FACE: return context->isCullFaceEnabled();
+ case GL_POLYGON_OFFSET_FILL: return context->isPolygonOffsetFillEnabled();
+ case GL_SAMPLE_ALPHA_TO_COVERAGE: return context->isSampleAlphaToCoverageEnabled();
+ case GL_SAMPLE_COVERAGE: return context->isSampleCoverageEnabled();
+ case GL_SCISSOR_TEST: return context->isScissorTestEnabled();
+ case GL_STENCIL_TEST: return context->isStencilTestEnabled();
+ case GL_DEPTH_TEST: return context->isDepthTestEnabled();
+ case GL_BLEND: return context->isBlendEnabled();
+ case GL_DITHER: return context->isDitherEnabled();
+ default:
+ return error(GL_INVALID_ENUM, false);
+ }
+ }
+ }
+ catch(std::bad_alloc&)
+ {
+ return error(GL_OUT_OF_MEMORY, false);
+ }
+
+ return false;
+}
+
+GLboolean GL_APIENTRY glIsFenceNV(GLuint fence)
+{
+ TRACE("(GLuint fence = %d)", fence);
+
+ try
+ {
+ gl::Context *context = gl::getContext();
+
+ if(context)
+ {
+ gl::Fence *fenceObject = context->getFence(fence);
+
+ if(fenceObject == NULL)
+ {
+ return GL_FALSE;
+ }
+
+ return fenceObject->isFence();
+ }
+ }
+ catch(std::bad_alloc&)
+ {
+ return error(GL_OUT_OF_MEMORY, GL_FALSE);
+ }
+
+ return GL_FALSE;
+}
+
+GLboolean GL_APIENTRY glIsFramebuffer(GLuint framebuffer)
+{
+ TRACE("(GLuint framebuffer = %d)", framebuffer);
+
+ try
+ {
+ gl::Context *context = gl::getContext();
+
+ if(context && framebuffer)
+ {
+ gl::Framebuffer *framebufferObject = context->getFramebuffer(framebuffer);
+
+ if(framebufferObject)
+ {
+ return GL_TRUE;
+ }
+ }
+ }
+ catch(std::bad_alloc&)
+ {
+ return error(GL_OUT_OF_MEMORY, GL_FALSE);
+ }
+
+ return GL_FALSE;
+}
+
+GLboolean GL_APIENTRY glIsProgram(GLuint program)
+{
+ TRACE("(GLuint program = %d)", program);
+
+ try
+ {
+ gl::Context *context = gl::getContext();
+
+ if(context && program)
+ {
+ gl::Program *programObject = context->getProgram(program);
+
+ if(programObject)
+ {
+ return GL_TRUE;
+ }
+ }
+ }
+ catch(std::bad_alloc&)
+ {
+ return error(GL_OUT_OF_MEMORY, GL_FALSE);
+ }
+
+ return GL_FALSE;
+}
+
+GLboolean GL_APIENTRY glIsQueryEXT(GLuint id)
+{
+ TRACE("(GLuint id = %d)", id);
+
+ try
+ {
+ if(id == 0)
+ {
+ return GL_FALSE;
+ }
+
+ gl::Context *context = gl::getContext();
+
+ if(context)
+ {
+ gl::Query *queryObject = context->getQuery(id, false, GL_NONE);
+
+ if(queryObject)
+ {
+ return GL_TRUE;
+ }
+ }
+ }
+ catch(std::bad_alloc&)
+ {
+ return error(GL_OUT_OF_MEMORY, GL_FALSE);
+ }
+
+ return GL_FALSE;
+}
+
+GLboolean GL_APIENTRY glIsRenderbuffer(GLuint renderbuffer)
+{
+ TRACE("(GLuint renderbuffer = %d)", renderbuffer);
+
+ try
+ {
+ gl::Context *context = gl::getContext();
+
+ if(context && renderbuffer)
+ {
+ gl::Renderbuffer *renderbufferObject = context->getRenderbuffer(renderbuffer);
+
+ if(renderbufferObject)
+ {
+ return GL_TRUE;
+ }
+ }
+ }
+ catch(std::bad_alloc&)
+ {
+ return error(GL_OUT_OF_MEMORY, GL_FALSE);
+ }
+
+ return GL_FALSE;
+}
+
+GLboolean GL_APIENTRY glIsShader(GLuint shader)
+{
+ TRACE("(GLuint shader = %d)", shader);
+
+ try
+ {
+ gl::Context *context = gl::getContext();
+
+ if(context && shader)
+ {
+ gl::Shader *shaderObject = context->getShader(shader);
+
+ if(shaderObject)
+ {
+ return GL_TRUE;
+ }
+ }
+ }
+ catch(std::bad_alloc&)
+ {
+ return error(GL_OUT_OF_MEMORY, GL_FALSE);
+ }
+
+ return GL_FALSE;
+}
+
+GLboolean GL_APIENTRY glIsTexture(GLuint texture)
+{
+ TRACE("(GLuint texture = %d)", texture);
+
+ try
+ {
+ gl::Context *context = gl::getContext();
+
+ if(context && texture)
+ {
+ gl::Texture *textureObject = context->getTexture(texture);
+
+ if(textureObject)
+ {
+ return GL_TRUE;
+ }
+ }
+ }
+ catch(std::bad_alloc&)
+ {
+ return error(GL_OUT_OF_MEMORY, GL_FALSE);
+ }
+
+ return GL_FALSE;
+}
+
+void GL_APIENTRY glLineWidth(GLfloat width)
+{
+ TRACE("(GLfloat width = %f)", width);
+
+ try
+ {
+ if(width <= 0.0f)
+ {
+ return error(GL_INVALID_VALUE);
+ }
+
+ gl::Context *context = gl::getContext();
+
+ if(context)
+ {
+ context->setLineWidth(width);
+ }
+ }
+ catch(std::bad_alloc&)
+ {
+ return error(GL_OUT_OF_MEMORY);
+ }
+}
+
+void GL_APIENTRY glLinkProgram(GLuint program)
+{
+ TRACE("(GLuint program = %d)", program);
+
+ try
+ {
+ gl::Context *context = gl::getContext();
+
+ if(context)
+ {
+ gl::Program *programObject = context->getProgram(program);
+
+ if(!programObject)
+ {
+ if(context->getShader(program))
+ {
+ return error(GL_INVALID_OPERATION);
+ }
+ else
+ {
+ return error(GL_INVALID_VALUE);
+ }
+ }
+
+ programObject->link();
+ }
+ }
+ catch(std::bad_alloc&)
+ {
+ return error(GL_OUT_OF_MEMORY);
+ }
+}
+
+void GL_APIENTRY glPixelStorei(GLenum pname, GLint param)
+{
+ TRACE("(GLenum pname = 0x%X, GLint param = %d)", pname, param);
+
+ try
+ {
+ gl::Context *context = gl::getContext();
+
+ if(context)
+ {
+ switch(pname)
+ {
+ case GL_UNPACK_ALIGNMENT:
+ if(param != 1 && param != 2 && param != 4 && param != 8)
+ {
+ return error(GL_INVALID_VALUE);
+ }
+
+ context->setUnpackAlignment(param);
+ break;
+
+ case GL_PACK_ALIGNMENT:
+ if(param != 1 && param != 2 && param != 4 && param != 8)
+ {
+ return error(GL_INVALID_VALUE);
+ }
+
+ context->setPackAlignment(param);
+ break;
+
+ default:
+ return error(GL_INVALID_ENUM);
+ }
+ }
+ }
+ catch(std::bad_alloc&)
+ {
+ return error(GL_OUT_OF_MEMORY);
+ }
+}
+
+void GL_APIENTRY glPolygonOffset(GLfloat factor, GLfloat units)
+{
+ TRACE("(GLfloat factor = %f, GLfloat units = %f)", factor, units);
+
+ try
+ {
+ gl::Context *context = gl::getContext();
+
+ if(context)
+ {
+ context->setPolygonOffsetParams(factor, units);
+ }
+ }
+ catch(std::bad_alloc&)
+ {
+ return error(GL_OUT_OF_MEMORY);
+ }
+}
+
+void GL_APIENTRY glReadnPixelsEXT(GLint x, GLint y, GLsizei width, GLsizei height,
+ GLenum format, GLenum type, GLsizei bufSize,
+ GLvoid *data)
+{
+ TRACE("(GLint x = %d, GLint y = %d, GLsizei width = %d, GLsizei height = %d, "
+ "GLenum format = 0x%X, GLenum type = 0x%X, GLsizei bufSize = 0x%d, GLvoid *data = 0x%0.8p)",
+ x, y, width, height, format, type, bufSize, data);
+
+ try
+ {
+ if(width < 0 || height < 0 || bufSize < 0)
+ {
+ return error(GL_INVALID_VALUE);
+ }
+
+ if(!validReadFormatType(format, type))
+ {
+ return error(GL_INVALID_OPERATION);
+ }
+
+ gl::Context *context = gl::getContext();
+
+ if(context)
+ {
+ context->readPixels(x, y, width, height, format, type, &bufSize, data);
+ }
+ }
+ catch(std::bad_alloc&)
+ {
+ return error(GL_OUT_OF_MEMORY);
+ }
+}
+
+void GL_APIENTRY glReadPixels(GLint x, GLint y, GLsizei width, GLsizei height, GLenum format, GLenum type, GLvoid* pixels)
+{
+ TRACE("(GLint x = %d, GLint y = %d, GLsizei width = %d, GLsizei height = %d, "
+ "GLenum format = 0x%X, GLenum type = 0x%X, GLvoid* pixels = 0x%0.8p)",
+ x, y, width, height, format, type, pixels);
+
+ try
+ {
+ if(width < 0 || height < 0)
+ {
+ return error(GL_INVALID_VALUE);
+ }
+
+ if(!validReadFormatType(format, type))
+ {
+ return error(GL_INVALID_OPERATION);
+ }
+
+ gl::Context *context = gl::getContext();
+
+ if(context)
+ {
+ context->readPixels(x, y, width, height, format, type, NULL, pixels);
+ }
+ }
+ catch(std::bad_alloc&)
+ {
+ return error(GL_OUT_OF_MEMORY);
+ }
+}
+
+void GL_APIENTRY glReleaseShaderCompiler(void)
+{
+ TRACE("()");
+
+ try
+ {
+ gl::Shader::releaseCompiler();
+ }
+ catch(std::bad_alloc&)
+ {
+ return error(GL_OUT_OF_MEMORY);
+ }
+}
+
+void GL_APIENTRY glRenderbufferStorageMultisampleANGLE(GLenum target, GLsizei samples, GLenum internalformat, GLsizei width, GLsizei height)
+{
+ TRACE("(GLenum target = 0x%X, GLsizei samples = %d, GLenum internalformat = 0x%X, GLsizei width = %d, GLsizei height = %d)",
+ target, samples, internalformat, width, height);
+
+ try
+ {
+ switch(target)
+ {
+ case GL_RENDERBUFFER:
+ break;
+ default:
+ return error(GL_INVALID_ENUM);
+ }
+
+ if(!gl::IsColorRenderable(internalformat) && !gl::IsDepthRenderable(internalformat) && !gl::IsStencilRenderable(internalformat))
+ {
+ return error(GL_INVALID_ENUM);
+ }
+
+ if(width < 0 || height < 0 || samples < 0)
+ {
+ return error(GL_INVALID_VALUE);
+ }
+
+ gl::Context *context = gl::getContext();
+
+ if(context)
+ {
+ if(width > gl::IMPLEMENTATION_MAX_RENDERBUFFER_SIZE ||
+ height > gl::IMPLEMENTATION_MAX_RENDERBUFFER_SIZE ||
+ samples > gl::IMPLEMENTATION_MAX_SAMPLES)
+ {
+ return error(GL_INVALID_VALUE);
+ }
+
+ GLuint handle = context->getRenderbufferHandle();
+ if(handle == 0)
+ {
+ return error(GL_INVALID_OPERATION);
+ }
+
+ switch(internalformat)
+ {
+ case GL_DEPTH_COMPONENT16:
+ context->setRenderbufferStorage(new gl::Depthbuffer(width, height, samples));
+ break;
+ case GL_RGBA4:
+ case GL_RGB5_A1:
+ case GL_RGB565:
+ case GL_RGB8_OES:
+ case GL_RGBA8_OES:
+ context->setRenderbufferStorage(new gl::Colorbuffer(width, height, internalformat, samples));
+ break;
+ case GL_STENCIL_INDEX8:
+ context->setRenderbufferStorage(new gl::Stencilbuffer(width, height, samples));
+ break;
+ case GL_DEPTH24_STENCIL8_OES:
+ context->setRenderbufferStorage(new gl::DepthStencilbuffer(width, height, samples));
+ break;
+ default:
+ return error(GL_INVALID_ENUM);
+ }
+ }
+ }
+ catch(std::bad_alloc&)
+ {
+ return error(GL_OUT_OF_MEMORY);
+ }
+}
+
+void GL_APIENTRY glRenderbufferStorage(GLenum target, GLenum internalformat, GLsizei width, GLsizei height)
+{
+ glRenderbufferStorageMultisampleANGLE(target, 0, internalformat, width, height);
+}
+
+void GL_APIENTRY glSampleCoverage(GLclampf value, GLboolean invert)
+{
+ TRACE("(GLclampf value = %f, GLboolean invert = %d)", value, invert);
+
+ try
+ {
+ gl::Context* context = gl::getContext();
+
+ if(context)
+ {
+ context->setSampleCoverageParams(gl::clamp01(value), invert == GL_TRUE);
+ }
+ }
+ catch(std::bad_alloc&)
+ {
+ return error(GL_OUT_OF_MEMORY);
+ }
+}
+
+void GL_APIENTRY glSetFenceNV(GLuint fence, GLenum condition)
+{
+ TRACE("(GLuint fence = %d, GLenum condition = 0x%X)", fence, condition);
+
+ try
+ {
+ if(condition != GL_ALL_COMPLETED_NV)
+ {
+ return error(GL_INVALID_ENUM);
+ }
+
+ gl::Context *context = gl::getContext();
+
+ if(context)
+ {
+ gl::Fence *fenceObject = context->getFence(fence);
+
+ if(fenceObject == NULL)
+ {
+ return error(GL_INVALID_OPERATION);
+ }
+
+ fenceObject->setFence(condition);
+ }
+ }
+ catch(std::bad_alloc&)
+ {
+ return error(GL_OUT_OF_MEMORY);
+ }
+}
+
+void GL_APIENTRY glScissor(GLint x, GLint y, GLsizei width, GLsizei height)
+{
+ TRACE("(GLint x = %d, GLint y = %d, GLsizei width = %d, GLsizei height = %d)", x, y, width, height);
+
+ try
+ {
+ if(width < 0 || height < 0)
+ {
+ return error(GL_INVALID_VALUE);
+ }
+
+ gl::Context* context = gl::getContext();
+
+ if(context)
+ {
+ context->setScissorParams(x, y, width, height);
+ }
+ }
+ catch(std::bad_alloc&)
+ {
+ return error(GL_OUT_OF_MEMORY);
+ }
+}
+
+void GL_APIENTRY glShaderBinary(GLsizei n, const GLuint* shaders, GLenum binaryformat, const GLvoid* binary, GLsizei length)
+{
+ TRACE("(GLsizei n = %d, const GLuint* shaders = 0x%0.8p, GLenum binaryformat = 0x%X, "
+ "const GLvoid* binary = 0x%0.8p, GLsizei length = %d)",
+ n, shaders, binaryformat, binary, length);
+
+ try
+ {
+ // No binary shader formats are supported.
+ return error(GL_INVALID_ENUM);
+ }
+ catch(std::bad_alloc&)
+ {
+ return error(GL_OUT_OF_MEMORY);
+ }
+}
+
+void GL_APIENTRY glShaderSource(GLuint shader, GLsizei count, const GLchar** string, const GLint* length)
+{
+ TRACE("(GLuint shader = %d, GLsizei count = %d, const GLchar** string = 0x%0.8p, const GLint* length = 0x%0.8p)",
+ shader, count, string, length);
+
+ try
+ {
+ if(count < 0)
+ {
+ return error(GL_INVALID_VALUE);
+ }
+
+ gl::Context *context = gl::getContext();
+
+ if(context)
+ {
+ gl::Shader *shaderObject = context->getShader(shader);
+
+ if(!shaderObject)
+ {
+ if(context->getProgram(shader))
+ {
+ return error(GL_INVALID_OPERATION);
+ }
+ else
+ {
+ return error(GL_INVALID_VALUE);
+ }
+ }
+
+ shaderObject->setSource(count, string, length);
+ }
+ }
+ catch(std::bad_alloc&)
+ {
+ return error(GL_OUT_OF_MEMORY);
+ }
+}
+
+void GL_APIENTRY glStencilFunc(GLenum func, GLint ref, GLuint mask)
+{
+ glStencilFuncSeparate(GL_FRONT_AND_BACK, func, ref, mask);
+}
+
+void GL_APIENTRY glStencilFuncSeparate(GLenum face, GLenum func, GLint ref, GLuint mask)
+{
+ TRACE("(GLenum face = 0x%X, GLenum func = 0x%X, GLint ref = %d, GLuint mask = %d)", face, func, ref, mask);
+
+ try
+ {
+ switch(face)
+ {
+ case GL_FRONT:
+ case GL_BACK:
+ case GL_FRONT_AND_BACK:
+ break;
+ default:
+ return error(GL_INVALID_ENUM);
+ }
+
+ switch(func)
+ {
+ case GL_NEVER:
+ case GL_ALWAYS:
+ case GL_LESS:
+ case GL_LEQUAL:
+ case GL_EQUAL:
+ case GL_GEQUAL:
+ case GL_GREATER:
+ case GL_NOTEQUAL:
+ break;
+ default:
+ return error(GL_INVALID_ENUM);
+ }
+
+ gl::Context *context = gl::getContext();
+
+ if(context)
+ {
+ if(face == GL_FRONT || face == GL_FRONT_AND_BACK)
+ {
+ context->setStencilParams(func, ref, mask);
+ }
+
+ if(face == GL_BACK || face == GL_FRONT_AND_BACK)
+ {
+ context->setStencilBackParams(func, ref, mask);
+ }
+ }
+ }
+ catch(std::bad_alloc&)
+ {
+ return error(GL_OUT_OF_MEMORY);
+ }
+}
+
+void GL_APIENTRY glStencilMask(GLuint mask)
+{
+ glStencilMaskSeparate(GL_FRONT_AND_BACK, mask);
+}
+
+void GL_APIENTRY glStencilMaskSeparate(GLenum face, GLuint mask)
+{
+ TRACE("(GLenum face = 0x%X, GLuint mask = %d)", face, mask);
+
+ try
+ {
+ switch(face)
+ {
+ case GL_FRONT:
+ case GL_BACK:
+ case GL_FRONT_AND_BACK:
+ break;
+ default:
+ return error(GL_INVALID_ENUM);
+ }
+
+ gl::Context *context = gl::getContext();
+
+ if(context)
+ {
+ if(face == GL_FRONT || face == GL_FRONT_AND_BACK)
+ {
+ context->setStencilWritemask(mask);
+ }
+
+ if(face == GL_BACK || face == GL_FRONT_AND_BACK)
+ {
+ context->setStencilBackWritemask(mask);
+ }
+ }
+ }
+ catch(std::bad_alloc&)
+ {
+ return error(GL_OUT_OF_MEMORY);
+ }
+}
+
+void GL_APIENTRY glStencilOp(GLenum fail, GLenum zfail, GLenum zpass)
+{
+ glStencilOpSeparate(GL_FRONT_AND_BACK, fail, zfail, zpass);
+}
+
+void GL_APIENTRY glStencilOpSeparate(GLenum face, GLenum fail, GLenum zfail, GLenum zpass)
+{
+ TRACE("(GLenum face = 0x%X, GLenum fail = 0x%X, GLenum zfail = 0x%X, GLenum zpas = 0x%Xs)",
+ face, fail, zfail, zpass);
+
+ try
+ {
+ switch(face)
+ {
+ case GL_FRONT:
+ case GL_BACK:
+ case GL_FRONT_AND_BACK:
+ break;
+ default:
+ return error(GL_INVALID_ENUM);
+ }
+
+ switch(fail)
+ {
+ case GL_ZERO:
+ case GL_KEEP:
+ case GL_REPLACE:
+ case GL_INCR:
+ case GL_DECR:
+ case GL_INVERT:
+ case GL_INCR_WRAP:
+ case GL_DECR_WRAP:
+ break;
+ default:
+ return error(GL_INVALID_ENUM);
+ }
+
+ switch(zfail)
+ {
+ case GL_ZERO:
+ case GL_KEEP:
+ case GL_REPLACE:
+ case GL_INCR:
+ case GL_DECR:
+ case GL_INVERT:
+ case GL_INCR_WRAP:
+ case GL_DECR_WRAP:
+ break;
+ default:
+ return error(GL_INVALID_ENUM);
+ }
+
+ switch(zpass)
+ {
+ case GL_ZERO:
+ case GL_KEEP:
+ case GL_REPLACE:
+ case GL_INCR:
+ case GL_DECR:
+ case GL_INVERT:
+ case GL_INCR_WRAP:
+ case GL_DECR_WRAP:
+ break;
+ default:
+ return error(GL_INVALID_ENUM);
+ }
+
+ gl::Context *context = gl::getContext();
+
+ if(context)
+ {
+ if(face == GL_FRONT || face == GL_FRONT_AND_BACK)
+ {
+ context->setStencilOperations(fail, zfail, zpass);
+ }
+
+ if(face == GL_BACK || face == GL_FRONT_AND_BACK)
+ {
+ context->setStencilBackOperations(fail, zfail, zpass);
+ }
+ }
+ }
+ catch(std::bad_alloc&)
+ {
+ return error(GL_OUT_OF_MEMORY);
+ }
+}
+
+GLboolean GL_APIENTRY glTestFenceNV(GLuint fence)
+{
+ TRACE("(GLuint fence = %d)", fence);
+
+ try
+ {
+ gl::Context *context = gl::getContext();
+
+ if(context)
+ {
+ gl::Fence *fenceObject = context->getFence(fence);
+
+ if(fenceObject == NULL)
+ {
+ return error(GL_INVALID_OPERATION, GL_TRUE);
+ }
+
+ return fenceObject->testFence();
+ }
+ }
+ catch(std::bad_alloc&)
+ {
+ error(GL_OUT_OF_MEMORY);
+ }
+
+ return GL_TRUE;
+}
+
+void GL_APIENTRY glTexImage2D(GLenum target, GLint level, GLint internalformat, GLsizei width, GLsizei height,
+ GLint border, GLenum format, GLenum type, const GLvoid* pixels)
+{
+ TRACE("(GLenum target = 0x%X, GLint level = %d, GLint internalformat = %d, GLsizei width = %d, GLsizei height = %d, "
+ "GLint border = %d, GLenum format = 0x%X, GLenum type = 0x%X, const GLvoid* pixels = 0x%0.8p)",
+ target, level, internalformat, width, height, border, format, type, pixels);
+
+ try
+ {
+ if(!validImageSize(level, width, height))
+ {
+ return error(GL_INVALID_VALUE);
+ }
+
+ if(internalformat != format)
+ {
+ return error(GL_INVALID_OPERATION);
+ }
+
+ switch(format)
+ {
+ case GL_ALPHA:
+ case GL_LUMINANCE:
+ case GL_LUMINANCE_ALPHA:
+ switch(type)
+ {
+ case GL_UNSIGNED_BYTE:
+ case GL_FLOAT:
+ case GL_HALF_FLOAT_OES:
+ break;
+ default:
+ return error(GL_INVALID_ENUM);
+ }
+ break;
+ case GL_RGB:
+ switch(type)
+ {
+ case GL_UNSIGNED_BYTE:
+ case GL_UNSIGNED_SHORT_5_6_5:
+ case GL_FLOAT:
+ case GL_HALF_FLOAT_OES:
+ break;
+ default:
+ return error(GL_INVALID_ENUM);
+ }
+ break;
+ case GL_RGBA:
+ switch(type)
+ {
+ case GL_UNSIGNED_BYTE:
+ case GL_UNSIGNED_SHORT_4_4_4_4:
+ case GL_UNSIGNED_SHORT_5_5_5_1:
+ case GL_FLOAT:
+ case GL_HALF_FLOAT_OES:
+ break;
+ default:
+ return error(GL_INVALID_ENUM);
+ }
+ break;
+ case GL_BGRA_EXT:
+ switch(type)
+ {
+ case GL_UNSIGNED_BYTE:
+ break;
+ default:
+ return error(GL_INVALID_ENUM);
+ }
+ break;
+ case GL_COMPRESSED_RGB_S3TC_DXT1_EXT: // error cases for compressed textures are handled below
+ case GL_COMPRESSED_RGBA_S3TC_DXT1_EXT:
+ case GL_COMPRESSED_RGBA_S3TC_DXT3_ANGLE:
+ case GL_COMPRESSED_RGBA_S3TC_DXT5_ANGLE:
+ break;
+ case GL_DEPTH_COMPONENT:
+ switch(type)
+ {
+ case GL_UNSIGNED_SHORT:
+ case GL_UNSIGNED_INT:
+ break;
+ default:
+ return error(GL_INVALID_ENUM);
+ }
+ break;
+ case GL_DEPTH_STENCIL_OES:
+ switch(type)
+ {
+ case GL_UNSIGNED_INT_24_8_OES:
+ break;
+ default:
+ return error(GL_INVALID_ENUM);
+ }
+ break;
+ default:
+ return error(GL_INVALID_VALUE);
+ }
+
+ if(border != 0)
+ {
+ return error(GL_INVALID_VALUE);
+ }
+
+ gl::Context *context = gl::getContext();
+
+ if(context)
+ {
+ switch(target)
+ {
+ case GL_TEXTURE_2D:
+ if(width > (gl::IMPLEMENTATION_MAX_TEXTURE_SIZE >> level) ||
+ height > (gl::IMPLEMENTATION_MAX_TEXTURE_SIZE >> level))
+ {
+ return error(GL_INVALID_VALUE);
+ }
+ break;
+ case GL_TEXTURE_CUBE_MAP_POSITIVE_X:
+ case GL_TEXTURE_CUBE_MAP_NEGATIVE_X:
+ case GL_TEXTURE_CUBE_MAP_POSITIVE_Y:
+ case GL_TEXTURE_CUBE_MAP_NEGATIVE_Y:
+ case GL_TEXTURE_CUBE_MAP_POSITIVE_Z:
+ case GL_TEXTURE_CUBE_MAP_NEGATIVE_Z:
+ if(width != height)
+ {
+ return error(GL_INVALID_VALUE);
+ }
+
+ if(width > (gl::IMPLEMENTATION_MAX_CUBE_MAP_TEXTURE_SIZE >> level) ||
+ height > (gl::IMPLEMENTATION_MAX_CUBE_MAP_TEXTURE_SIZE >> level))
+ {
+ return error(GL_INVALID_VALUE);
+ }
+ break;
+ default:
+ return error(GL_INVALID_ENUM);
+ }
+
+ if(format == GL_COMPRESSED_RGB_S3TC_DXT1_EXT ||
+ format == GL_COMPRESSED_RGBA_S3TC_DXT1_EXT ||
+ format == GL_COMPRESSED_RGBA_S3TC_DXT3_ANGLE ||
+ format == GL_COMPRESSED_RGBA_S3TC_DXT5_ANGLE)
+ {
+ if(S3TC_SUPPORT)
+ {
+ return error(GL_INVALID_OPERATION);
+ }
+ else
+ {
+ return error(GL_INVALID_ENUM);
+ }
+ }
+
+ if(target == GL_TEXTURE_2D)
+ {
+ gl::Texture2D *texture = context->getTexture2D();
+
+ if(!texture)
+ {
+ return error(GL_INVALID_OPERATION);
+ }
+
+ texture->setImage(level, width, height, format, type, context->getUnpackAlignment(), pixels);
+ }
+ else
+ {
+ gl::TextureCubeMap *texture = context->getTextureCubeMap();
+
+ if(!texture)
+ {
+ return error(GL_INVALID_OPERATION);
+ }
+
+ texture->setImage(target, level, width, height, format, type, context->getUnpackAlignment(), pixels);
+ }
+ }
+ }
+ catch(std::bad_alloc&)
+ {
+ return error(GL_OUT_OF_MEMORY);
+ }
+}
+
+void GL_APIENTRY glTexParameterf(GLenum target, GLenum pname, GLfloat param)
+{
+ TRACE("(GLenum target = 0x%X, GLenum pname = 0x%X, GLfloat param = %f)", target, pname, param);
+
+ try
+ {
+ gl::Context *context = gl::getContext();
+
+ if(context)
+ {
+ gl::Texture *texture;
+
+ switch(target)
+ {
+ case GL_TEXTURE_2D:
+ texture = context->getTexture2D();
+ break;
+ case GL_TEXTURE_CUBE_MAP:
+ texture = context->getTextureCubeMap();
+ break;
+ default:
+ return error(GL_INVALID_ENUM);
+ }
+
+ switch(pname)
+ {
+ case GL_TEXTURE_WRAP_S:
+ if(!texture->setWrapS((GLenum)param))
+ {
+ return error(GL_INVALID_ENUM);
+ }
+ break;
+ case GL_TEXTURE_WRAP_T:
+ if(!texture->setWrapT((GLenum)param))
+ {
+ return error(GL_INVALID_ENUM);
+ }
+ break;
+ case GL_TEXTURE_MIN_FILTER:
+ if(!texture->setMinFilter((GLenum)param))
+ {
+ return error(GL_INVALID_ENUM);
+ }
+ break;
+ case GL_TEXTURE_MAG_FILTER:
+ if(!texture->setMagFilter((GLenum)param))
+ {
+ return error(GL_INVALID_ENUM);
+ }
+ break;
+ case GL_TEXTURE_MAX_ANISOTROPY_EXT:
+ if(!texture->setMaxAnisotropy(param))
+ {
+ return error(GL_INVALID_VALUE);
+ }
+ break;
+ default:
+ return error(GL_INVALID_ENUM);
+ }
+ }
+ }
+ catch(std::bad_alloc&)
+ {
+ return error(GL_OUT_OF_MEMORY);
+ }
+}
+
+void GL_APIENTRY glTexParameterfv(GLenum target, GLenum pname, const GLfloat* params)
+{
+ glTexParameterf(target, pname, *params);
+}
+
+void GL_APIENTRY glTexParameteri(GLenum target, GLenum pname, GLint param)
+{
+ TRACE("(GLenum target = 0x%X, GLenum pname = 0x%X, GLint param = %d)", target, pname, param);
+
+ try
+ {
+ gl::Context *context = gl::getContext();
+
+ if(context)
+ {
+ gl::Texture *texture;
+
+ switch(target)
+ {
+ case GL_TEXTURE_2D:
+ texture = context->getTexture2D();
+ break;
+ case GL_TEXTURE_CUBE_MAP:
+ texture = context->getTextureCubeMap();
+ break;
+ default:
+ return error(GL_INVALID_ENUM);
+ }
+
+ switch(pname)
+ {
+ case GL_TEXTURE_WRAP_S:
+ if(!texture->setWrapS((GLenum)param))
+ {
+ return error(GL_INVALID_ENUM);
+ }
+ break;
+ case GL_TEXTURE_WRAP_T:
+ if(!texture->setWrapT((GLenum)param))
+ {
+ return error(GL_INVALID_ENUM);
+ }
+ break;
+ case GL_TEXTURE_MIN_FILTER:
+ if(!texture->setMinFilter((GLenum)param))
+ {
+ return error(GL_INVALID_ENUM);
+ }
+ break;
+ case GL_TEXTURE_MAG_FILTER:
+ if(!texture->setMagFilter((GLenum)param))
+ {
+ return error(GL_INVALID_ENUM);
+ }
+ break;
+ case GL_TEXTURE_MAX_ANISOTROPY_EXT:
+ if(!texture->setMaxAnisotropy((GLfloat)param))
+ {
+ return error(GL_INVALID_VALUE);
+ }
+ break;
+ default:
+ return error(GL_INVALID_ENUM);
+ }
+ }
+ }
+ catch(std::bad_alloc&)
+ {
+ return error(GL_OUT_OF_MEMORY);
+ }
+}
+
+void GL_APIENTRY glTexParameteriv(GLenum target, GLenum pname, const GLint* params)
+{
+ glTexParameteri(target, pname, *params);
+}
+
+void GL_APIENTRY glTexSubImage2D(GLenum target, GLint level, GLint xoffset, GLint yoffset, GLsizei width, GLsizei height,
+ GLenum format, GLenum type, const GLvoid* pixels)
+{
+ TRACE("(GLenum target = 0x%X, GLint level = %d, GLint xoffset = %d, GLint yoffset = %d, "
+ "GLsizei width = %d, GLsizei height = %d, GLenum format = 0x%X, GLenum type = 0x%X, "
+ "const GLvoid* pixels = 0x%0.8p)",
+ target, level, xoffset, yoffset, width, height, format, type, pixels);
+
+ try
+ {
+ if(!gl::IsTextureTarget(target))
+ {
+ return error(GL_INVALID_ENUM);
+ }
+
+ if(level < 0 || xoffset < 0 || yoffset < 0 || width < 0 || height < 0)
+ {
+ return error(GL_INVALID_VALUE);
+ }
+
+ if(std::numeric_limits<GLsizei>::max() - xoffset < width || std::numeric_limits<GLsizei>::max() - yoffset < height)
+ {
+ return error(GL_INVALID_VALUE);
+ }
+
+ if(!gl::CheckTextureFormatType(format, type))
+ {
+ return error(GL_INVALID_ENUM);
+ }
+
+ if(width == 0 || height == 0 || pixels == NULL)
+ {
+ return;
+ }
+
+ gl::Context *context = gl::getContext();
+
+ if(context)
+ {
+ if(level > gl::IMPLEMENTATION_MAX_TEXTURE_LEVELS)
+ {
+ return error(GL_INVALID_VALUE);
+ }
+
+ if(target == GL_TEXTURE_2D)
+ {
+ gl::Texture2D *texture = context->getTexture2D();
+
+ if(validateSubImageParams(false, width, height, xoffset, yoffset, target, level, format, texture))
+ {
+ texture->subImage(level, xoffset, yoffset, width, height, format, type, context->getUnpackAlignment(), pixels);
+ }
+ }
+ else if(gl::IsCubemapTextureTarget(target))
+ {
+ gl::TextureCubeMap *texture = context->getTextureCubeMap();
+
+ if(validateSubImageParams(false, width, height, xoffset, yoffset, target, level, format, texture))
+ {
+ texture->subImage(target, level, xoffset, yoffset, width, height, format, type, context->getUnpackAlignment(), pixels);
+ }
+ }
+ else
+ {
+ UNREACHABLE();
+ }
+ }
+ }
+ catch(std::bad_alloc&)
+ {
+ return error(GL_OUT_OF_MEMORY);
+ }
+}
+
+void GL_APIENTRY glUniform1f(GLint location, GLfloat x)
+{
+ glUniform1fv(location, 1, &x);
+}
+
+void GL_APIENTRY glUniform1fv(GLint location, GLsizei count, const GLfloat* v)
+{
+ TRACE("(GLint location = %d, GLsizei count = %d, const GLfloat* v = 0x%0.8p)", location, count, v);
+
+ try
+ {
+ if(count < 0)
+ {
+ return error(GL_INVALID_VALUE);
+ }
+
+ if(location == -1)
+ {
+ return;
+ }
+
+ gl::Context *context = gl::getContext();
+
+ if(context)
+ {
+ gl::Program *program = context->getCurrentProgram();
+
+ if(!program)
+ {
+ return error(GL_INVALID_OPERATION);
+ }
+
+ if(!program->setUniform1fv(location, count, v))
+ {
+ return error(GL_INVALID_OPERATION);
+ }
+ }
+ }
+ catch(std::bad_alloc&)
+ {
+ return error(GL_OUT_OF_MEMORY);
+ }
+}
+
+void GL_APIENTRY glUniform1i(GLint location, GLint x)
+{
+ glUniform1iv(location, 1, &x);
+}
+
+void GL_APIENTRY glUniform1iv(GLint location, GLsizei count, const GLint* v)
+{
+ TRACE("(GLint location = %d, GLsizei count = %d, const GLint* v = 0x%0.8p)", location, count, v);
+
+ try
+ {
+ if(count < 0)
+ {
+ return error(GL_INVALID_VALUE);
+ }
+
+ if(location == -1)
+ {
+ return;
+ }
+
+ gl::Context *context = gl::getContext();
+
+ if(context)
+ {
+ gl::Program *program = context->getCurrentProgram();
+
+ if(!program)
+ {
+ return error(GL_INVALID_OPERATION);
+ }
+
+ if(!program->setUniform1iv(location, count, v))
+ {
+ return error(GL_INVALID_OPERATION);
+ }
+ }
+ }
+ catch(std::bad_alloc&)
+ {
+ return error(GL_OUT_OF_MEMORY);
+ }
+}
+
+void GL_APIENTRY glUniform2f(GLint location, GLfloat x, GLfloat y)
+{
+ GLfloat xy[2] = {x, y};
+
+ glUniform2fv(location, 1, (GLfloat*)&xy);
+}
+
+void GL_APIENTRY glUniform2fv(GLint location, GLsizei count, const GLfloat* v)
+{
+ TRACE("(GLint location = %d, GLsizei count = %d, const GLfloat* v = 0x%0.8p)", location, count, v);
+
+ try
+ {
+ if(count < 0)
+ {
+ return error(GL_INVALID_VALUE);
+ }
+
+ if(location == -1)
+ {
+ return;
+ }
+
+ gl::Context *context = gl::getContext();
+
+ if(context)
+ {
+ gl::Program *program = context->getCurrentProgram();
+
+ if(!program)
+ {
+ return error(GL_INVALID_OPERATION);
+ }
+
+ if(!program->setUniform2fv(location, count, v))
+ {
+ return error(GL_INVALID_OPERATION);
+ }
+ }
+ }
+ catch(std::bad_alloc&)
+ {
+ return error(GL_OUT_OF_MEMORY);
+ }
+}
+
+void GL_APIENTRY glUniform2i(GLint location, GLint x, GLint y)
+{
+ GLint xy[4] = {x, y};
+
+ glUniform2iv(location, 1, (GLint*)&xy);
+}
+
+void GL_APIENTRY glUniform2iv(GLint location, GLsizei count, const GLint* v)
+{
+ TRACE("(GLint location = %d, GLsizei count = %d, const GLint* v = 0x%0.8p)", location, count, v);
+
+ try
+ {
+ if(count < 0)
+ {
+ return error(GL_INVALID_VALUE);
+ }
+
+ if(location == -1)
+ {
+ return;
+ }
+
+ gl::Context *context = gl::getContext();
+
+ if(context)
+ {
+ gl::Program *program = context->getCurrentProgram();
+
+ if(!program)
+ {
+ return error(GL_INVALID_OPERATION);
+ }
+
+ if(!program->setUniform2iv(location, count, v))
+ {
+ return error(GL_INVALID_OPERATION);
+ }
+ }
+ }
+ catch(std::bad_alloc&)
+ {
+ return error(GL_OUT_OF_MEMORY);
+ }
+}
+
+void GL_APIENTRY glUniform3f(GLint location, GLfloat x, GLfloat y, GLfloat z)
+{
+ GLfloat xyz[3] = {x, y, z};
+
+ glUniform3fv(location, 1, (GLfloat*)&xyz);
+}
+
+void GL_APIENTRY glUniform3fv(GLint location, GLsizei count, const GLfloat* v)
+{
+ TRACE("(GLint location = %d, GLsizei count = %d, const GLfloat* v = 0x%0.8p)", location, count, v);
+
+ try
+ {
+ if(count < 0)
+ {
+ return error(GL_INVALID_VALUE);
+ }
+
+ if(location == -1)
+ {
+ return;
+ }
+
+ gl::Context *context = gl::getContext();
+
+ if(context)
+ {
+ gl::Program *program = context->getCurrentProgram();
+
+ if(!program)
+ {
+ return error(GL_INVALID_OPERATION);
+ }
+
+ if(!program->setUniform3fv(location, count, v))
+ {
+ return error(GL_INVALID_OPERATION);
+ }
+ }
+ }
+ catch(std::bad_alloc&)
+ {
+ return error(GL_OUT_OF_MEMORY);
+ }
+}
+
+void GL_APIENTRY glUniform3i(GLint location, GLint x, GLint y, GLint z)
+{
+ GLint xyz[3] = {x, y, z};
+
+ glUniform3iv(location, 1, (GLint*)&xyz);
+}
+
+void GL_APIENTRY glUniform3iv(GLint location, GLsizei count, const GLint* v)
+{
+ TRACE("(GLint location = %d, GLsizei count = %d, const GLint* v = 0x%0.8p)", location, count, v);
+
+ try
+ {
+ if(count < 0)
+ {
+ return error(GL_INVALID_VALUE);
+ }
+
+ if(location == -1)
+ {
+ return;
+ }
+
+ gl::Context *context = gl::getContext();
+
+ if(context)
+ {
+ gl::Program *program = context->getCurrentProgram();
+
+ if(!program)
+ {
+ return error(GL_INVALID_OPERATION);
+ }
+
+ if(!program->setUniform3iv(location, count, v))
+ {
+ return error(GL_INVALID_OPERATION);
+ }
+ }
+ }
+ catch(std::bad_alloc&)
+ {
+ return error(GL_OUT_OF_MEMORY);
+ }
+}
+
+void GL_APIENTRY glUniform4f(GLint location, GLfloat x, GLfloat y, GLfloat z, GLfloat w)
+{
+ GLfloat xyzw[4] = {x, y, z, w};
+
+ glUniform4fv(location, 1, (GLfloat*)&xyzw);
+}
+
+void GL_APIENTRY glUniform4fv(GLint location, GLsizei count, const GLfloat* v)
+{
+ TRACE("(GLint location = %d, GLsizei count = %d, const GLfloat* v = 0x%0.8p)", location, count, v);
+
+ try
+ {
+ if(count < 0)
+ {
+ return error(GL_INVALID_VALUE);
+ }
+
+ if(location == -1)
+ {
+ return;
+ }
+
+ gl::Context *context = gl::getContext();
+
+ if(context)
+ {
+ gl::Program *program = context->getCurrentProgram();
+
+ if(!program)
+ {
+ return error(GL_INVALID_OPERATION);
+ }
+
+ if(!program->setUniform4fv(location, count, v))
+ {
+ return error(GL_INVALID_OPERATION);
+ }
+ }
+ }
+ catch(std::bad_alloc&)
+ {
+ return error(GL_OUT_OF_MEMORY);
+ }
+}
+
+void GL_APIENTRY glUniform4i(GLint location, GLint x, GLint y, GLint z, GLint w)
+{
+ GLint xyzw[4] = {x, y, z, w};
+
+ glUniform4iv(location, 1, (GLint*)&xyzw);
+}
+
+void GL_APIENTRY glUniform4iv(GLint location, GLsizei count, const GLint* v)
+{
+ TRACE("(GLint location = %d, GLsizei count = %d, const GLint* v = 0x%0.8p)", location, count, v);
+
+ try
+ {
+ if(count < 0)
+ {
+ return error(GL_INVALID_VALUE);
+ }
+
+ if(location == -1)
+ {
+ return;
+ }
+
+ gl::Context *context = gl::getContext();
+
+ if(context)
+ {
+ gl::Program *program = context->getCurrentProgram();
+
+ if(!program)
+ {
+ return error(GL_INVALID_OPERATION);
+ }
+
+ if(!program->setUniform4iv(location, count, v))
+ {
+ return error(GL_INVALID_OPERATION);
+ }
+ }
+ }
+ catch(std::bad_alloc&)
+ {
+ return error(GL_OUT_OF_MEMORY);
+ }
+}
+
+void GL_APIENTRY glUniformMatrix2fv(GLint location, GLsizei count, GLboolean transpose, const GLfloat* value)
+{
+ TRACE("(GLint location = %d, GLsizei count = %d, GLboolean transpose = %d, const GLfloat* value = 0x%0.8p)",
+ location, count, transpose, value);
+
+ try
+ {
+ if(count < 0 || transpose != GL_FALSE)
+ {
+ return error(GL_INVALID_VALUE);
+ }
+
+ if(location == -1)
+ {
+ return;
+ }
+
+ gl::Context *context = gl::getContext();
+
+ if(context)
+ {
+ gl::Program *program = context->getCurrentProgram();
+
+ if(!program)
+ {
+ return error(GL_INVALID_OPERATION);
+ }
+
+ if(!program->setUniformMatrix2fv(location, count, value))
+ {
+ return error(GL_INVALID_OPERATION);
+ }
+ }
+ }
+ catch(std::bad_alloc&)
+ {
+ return error(GL_OUT_OF_MEMORY);
+ }
+}
+
+void GL_APIENTRY glUniformMatrix3fv(GLint location, GLsizei count, GLboolean transpose, const GLfloat* value)
+{
+ TRACE("(GLint location = %d, GLsizei count = %d, GLboolean transpose = %d, const GLfloat* value = 0x%0.8p)",
+ location, count, transpose, value);
+
+ try
+ {
+ if(count < 0 || transpose != GL_FALSE)
+ {
+ return error(GL_INVALID_VALUE);
+ }
+
+ if(location == -1)
+ {
+ return;
+ }
+
+ gl::Context *context = gl::getContext();
+
+ if(context)
+ {
+ gl::Program *program = context->getCurrentProgram();
+
+ if(!program)
+ {
+ return error(GL_INVALID_OPERATION);
+ }
+
+ if(!program->setUniformMatrix3fv(location, count, value))
+ {
+ return error(GL_INVALID_OPERATION);
+ }
+ }
+ }
+ catch(std::bad_alloc&)
+ {
+ return error(GL_OUT_OF_MEMORY);
+ }
+}
+
+void GL_APIENTRY glUniformMatrix4fv(GLint location, GLsizei count, GLboolean transpose, const GLfloat* value)
+{
+ TRACE("(GLint location = %d, GLsizei count = %d, GLboolean transpose = %d, const GLfloat* value = 0x%0.8p)",
+ location, count, transpose, value);
+
+ try
+ {
+ if(count < 0 || transpose != GL_FALSE)
+ {
+ return error(GL_INVALID_VALUE);
+ }
+
+ if(location == -1)
+ {
+ return;
+ }
+
+ gl::Context *context = gl::getContext();
+
+ if(context)
+ {
+ gl::Program *program = context->getCurrentProgram();
+
+ if(!program)
+ {
+ return error(GL_INVALID_OPERATION);
+ }
+
+ if(!program->setUniformMatrix4fv(location, count, value))
+ {
+ return error(GL_INVALID_OPERATION);
+ }
+ }
+ }
+ catch(std::bad_alloc&)
+ {
+ return error(GL_OUT_OF_MEMORY);
+ }
+}
+
+void GL_APIENTRY glUseProgram(GLuint program)
+{
+ TRACE("(GLuint program = %d)", program);
+
+ try
+ {
+ gl::Context *context = gl::getContext();
+
+ if(context)
+ {
+ gl::Program *programObject = context->getProgram(program);
+
+ if(!programObject && program != 0)
+ {
+ if(context->getShader(program))
+ {
+ return error(GL_INVALID_OPERATION);
+ }
+ else
+ {
+ return error(GL_INVALID_VALUE);
+ }
+ }
+
+ if(program != 0 && !programObject->isLinked())
+ {
+ return error(GL_INVALID_OPERATION);
+ }
+
+ context->useProgram(program);
+ }
+ }
+ catch(std::bad_alloc&)
+ {
+ return error(GL_OUT_OF_MEMORY);
+ }
+}
+
+void GL_APIENTRY glValidateProgram(GLuint program)
+{
+ TRACE("(GLuint program = %d)", program);
+
+ try
+ {
+ gl::Context *context = gl::getContext();
+
+ if(context)
+ {
+ gl::Program *programObject = context->getProgram(program);
+
+ if(!programObject)
+ {
+ if(context->getShader(program))
+ {
+ return error(GL_INVALID_OPERATION);
+ }
+ else
+ {
+ return error(GL_INVALID_VALUE);
+ }
+ }
+
+ programObject->validate();
+ }
+ }
+ catch(std::bad_alloc&)
+ {
+ return error(GL_OUT_OF_MEMORY);
+ }
+}
+
+void GL_APIENTRY glVertexAttrib1f(GLuint index, GLfloat x)
+{
+ TRACE("(GLuint index = %d, GLfloat x = %f)", index, x);
+
+ try
+ {
+ if(index >= gl::MAX_VERTEX_ATTRIBS)
+ {
+ return error(GL_INVALID_VALUE);
+ }
+
+ gl::Context *context = gl::getContext();
+
+ if(context)
+ {
+ GLfloat vals[4] = { x, 0, 0, 1 };
+ context->setVertexAttrib(index, vals);
+ }
+ }
+ catch(std::bad_alloc&)
+ {
+ return error(GL_OUT_OF_MEMORY);
+ }
+}
+
+void GL_APIENTRY glVertexAttrib1fv(GLuint index, const GLfloat* values)
+{
+ TRACE("(GLuint index = %d, const GLfloat* values = 0x%0.8p)", index, values);
+
+ try
+ {
+ if(index >= gl::MAX_VERTEX_ATTRIBS)
+ {
+ return error(GL_INVALID_VALUE);
+ }
+
+ gl::Context *context = gl::getContext();
+
+ if(context)
+ {
+ GLfloat vals[4] = { values[0], 0, 0, 1 };
+ context->setVertexAttrib(index, vals);
+ }
+ }
+ catch(std::bad_alloc&)
+ {
+ return error(GL_OUT_OF_MEMORY);
+ }
+}
+
+void GL_APIENTRY glVertexAttrib2f(GLuint index, GLfloat x, GLfloat y)
+{
+ TRACE("(GLuint index = %d, GLfloat x = %f, GLfloat y = %f)", index, x, y);
+
+ try
+ {
+ if(index >= gl::MAX_VERTEX_ATTRIBS)
+ {
+ return error(GL_INVALID_VALUE);
+ }
+
+ gl::Context *context = gl::getContext();
+
+ if(context)
+ {
+ GLfloat vals[4] = { x, y, 0, 1 };
+ context->setVertexAttrib(index, vals);
+ }
+ }
+ catch(std::bad_alloc&)
+ {
+ return error(GL_OUT_OF_MEMORY);
+ }
+}
+
+void GL_APIENTRY glVertexAttrib2fv(GLuint index, const GLfloat* values)
+{
+ TRACE("(GLuint index = %d, const GLfloat* values = 0x%0.8p)", index, values);
+
+ try
+ {
+ if(index >= gl::MAX_VERTEX_ATTRIBS)
+ {
+ return error(GL_INVALID_VALUE);
+ }
+
+ gl::Context *context = gl::getContext();
+
+ if(context)
+ {
+ GLfloat vals[4] = { values[0], values[1], 0, 1 };
+ context->setVertexAttrib(index, vals);
+ }
+ }
+ catch(std::bad_alloc&)
+ {
+ return error(GL_OUT_OF_MEMORY);
+ }
+}
+
+void GL_APIENTRY glVertexAttrib3f(GLuint index, GLfloat x, GLfloat y, GLfloat z)
+{
+ TRACE("(GLuint index = %d, GLfloat x = %f, GLfloat y = %f, GLfloat z = %f)", index, x, y, z);
+
+ try
+ {
+ if(index >= gl::MAX_VERTEX_ATTRIBS)
+ {
+ return error(GL_INVALID_VALUE);
+ }
+
+ gl::Context *context = gl::getContext();
+
+ if(context)
+ {
+ GLfloat vals[4] = { x, y, z, 1 };
+ context->setVertexAttrib(index, vals);
+ }
+ }
+ catch(std::bad_alloc&)
+ {
+ return error(GL_OUT_OF_MEMORY);
+ }
+}
+
+void GL_APIENTRY glVertexAttrib3fv(GLuint index, const GLfloat* values)
+{
+ TRACE("(GLuint index = %d, const GLfloat* values = 0x%0.8p)", index, values);
+
+ try
+ {
+ if(index >= gl::MAX_VERTEX_ATTRIBS)
+ {
+ return error(GL_INVALID_VALUE);
+ }
+
+ gl::Context *context = gl::getContext();
+
+ if(context)
+ {
+ GLfloat vals[4] = { values[0], values[1], values[2], 1 };
+ context->setVertexAttrib(index, vals);
+ }
+ }
+ catch(std::bad_alloc&)
+ {
+ return error(GL_OUT_OF_MEMORY);
+ }
+}
+
+void GL_APIENTRY glVertexAttrib4f(GLuint index, GLfloat x, GLfloat y, GLfloat z, GLfloat w)
+{
+ TRACE("(GLuint index = %d, GLfloat x = %f, GLfloat y = %f, GLfloat z = %f, GLfloat w = %f)", index, x, y, z, w);
+
+ try
+ {
+ if(index >= gl::MAX_VERTEX_ATTRIBS)
+ {
+ return error(GL_INVALID_VALUE);
+ }
+
+ gl::Context *context = gl::getContext();
+
+ if(context)
+ {
+ GLfloat vals[4] = { x, y, z, w };
+ context->setVertexAttrib(index, vals);
+ }
+ }
+ catch(std::bad_alloc&)
+ {
+ return error(GL_OUT_OF_MEMORY);
+ }
+}
+
+void GL_APIENTRY glVertexAttrib4fv(GLuint index, const GLfloat* values)
+{
+ TRACE("(GLuint index = %d, const GLfloat* values = 0x%0.8p)", index, values);
+
+ try
+ {
+ if(index >= gl::MAX_VERTEX_ATTRIBS)
+ {
+ return error(GL_INVALID_VALUE);
+ }
+
+ gl::Context *context = gl::getContext();
+
+ if(context)
+ {
+ context->setVertexAttrib(index, values);
+ }
+ }
+ catch(std::bad_alloc&)
+ {
+ return error(GL_OUT_OF_MEMORY);
+ }
+}
+
+void GL_APIENTRY glVertexAttribPointer(GLuint index, GLint size, GLenum type, GLboolean normalized, GLsizei stride, const GLvoid* ptr)
+{
+ TRACE("(GLuint index = %d, GLint size = %d, GLenum type = 0x%X, "
+ "GLboolean normalized = %d, GLsizei stride = %d, const GLvoid* ptr = 0x%0.8p)",
+ index, size, type, normalized, stride, ptr);
+
+ try
+ {
+ if(index >= gl::MAX_VERTEX_ATTRIBS)
+ {
+ return error(GL_INVALID_VALUE);
+ }
+
+ if(size < 1 || size > 4)
+ {
+ return error(GL_INVALID_VALUE);
+ }
+
+ switch(type)
+ {
+ case GL_BYTE:
+ case GL_UNSIGNED_BYTE:
+ case GL_SHORT:
+ case GL_UNSIGNED_SHORT:
+ case GL_FIXED:
+ case GL_FLOAT:
+ break;
+ default:
+ return error(GL_INVALID_ENUM);
+ }
+
+ if(stride < 0)
+ {
+ return error(GL_INVALID_VALUE);
+ }
+
+ gl::Context *context = gl::getContext();
+
+ if(context)
+ {
+ context->setVertexAttribState(index, context->getArrayBuffer(), size, type, (normalized == GL_TRUE), stride, ptr);
+ }
+ }
+ catch(std::bad_alloc&)
+ {
+ return error(GL_OUT_OF_MEMORY);
+ }
+}
+
+void GL_APIENTRY glViewport(GLint x, GLint y, GLsizei width, GLsizei height)
+{
+ TRACE("(GLint x = %d, GLint y = %d, GLsizei width = %d, GLsizei height = %d)", x, y, width, height);
+
+ try
+ {
+ if(width < 0 || height < 0)
+ {
+ return error(GL_INVALID_VALUE);
+ }
+
+ gl::Context *context = gl::getContext();
+
+ if(context)
+ {
+ context->setViewportParams(x, y, width, height);
+ }
+ }
+ catch(std::bad_alloc&)
+ {
+ return error(GL_OUT_OF_MEMORY);
+ }
+}
+
+void GL_APIENTRY glBlitFramebufferANGLE(GLint srcX0, GLint srcY0, GLint srcX1, GLint srcY1, GLint dstX0, GLint dstY0, GLint dstX1, GLint dstY1,
+ GLbitfield mask, GLenum filter)
+{
+ TRACE("(GLint srcX0 = %d, GLint srcY0 = %d, GLint srcX1 = %d, GLint srcY1 = %d, "
+ "GLint dstX0 = %d, GLint dstY0 = %d, GLint dstX1 = %d, GLint dstY1 = %d, "
+ "GLbitfield mask = 0x%X, GLenum filter = 0x%X)",
+ srcX0, srcY0, srcX1, srcX1, dstX0, dstY0, dstX1, dstY1, mask, filter);
+
+ try
+ {
+ switch(filter)
+ {
+ case GL_NEAREST:
+ break;
+ default:
+ return error(GL_INVALID_ENUM);
+ }
+
+ if((mask & ~(GL_COLOR_BUFFER_BIT | GL_STENCIL_BUFFER_BIT | GL_DEPTH_BUFFER_BIT)) != 0)
+ {
+ return error(GL_INVALID_VALUE);
+ }
+
+ if(srcX1 - srcX0 != dstX1 - dstX0 || srcY1 - srcY0 != dstY1 - dstY0)
+ {
+ ERR("Scaling and flipping in BlitFramebufferANGLE not supported by this implementation");
+ return error(GL_INVALID_OPERATION);
+ }
+
+ gl::Context *context = gl::getContext();
+
+ if(context)
+ {
+ if(context->getReadFramebufferHandle() == context->getDrawFramebufferHandle())
+ {
+ ERR("Blits with the same source and destination framebuffer are not supported by this implementation.");
+ return error(GL_INVALID_OPERATION);
+ }
+
+ context->blitFramebuffer(srcX0, srcY0, srcX1, srcY1, dstX0, dstY0, dstX1, dstY1, mask);
+ }
+ }
+ catch(std::bad_alloc&)
+ {
+ return error(GL_OUT_OF_MEMORY);
+ }
+}
+
+void GL_APIENTRY glTexImage3DOES(GLenum target, GLint level, GLenum internalformat, GLsizei width, GLsizei height, GLsizei depth,
+ GLint border, GLenum format, GLenum type, const GLvoid* pixels)
+{
+ TRACE("(GLenum target = 0x%X, GLint level = %d, GLenum internalformat = 0x%X, "
+ "GLsizei width = %d, GLsizei height = %d, GLsizei depth = %d, GLint border = %d, "
+ "GLenum format = 0x%X, GLenum type = 0x%x, const GLvoid* pixels = 0x%0.8p)",
+ target, level, internalformat, width, height, depth, border, format, type, pixels);
+
+ try
+ {
+ UNIMPLEMENTED(); // FIXME
+ }
+ catch(std::bad_alloc&)
+ {
+ return error(GL_OUT_OF_MEMORY);
+ }
+}
+
+__eglMustCastToProperFunctionPointerType glGetProcAddress(const char *procname)
+{
+ struct Extension
+ {
+ const char *name;
+ __eglMustCastToProperFunctionPointerType address;
+ };
+
+ static const Extension glExtensions[] =
+ {
+ {"glTexImage3DOES", (__eglMustCastToProperFunctionPointerType)glTexImage3DOES},
+ {"glBlitFramebufferANGLE", (__eglMustCastToProperFunctionPointerType)glBlitFramebufferANGLE},
+ {"glRenderbufferStorageMultisampleANGLE", (__eglMustCastToProperFunctionPointerType)glRenderbufferStorageMultisampleANGLE},
+ {"glDeleteFencesNV", (__eglMustCastToProperFunctionPointerType)glDeleteFencesNV},
+ {"glGenFencesNV", (__eglMustCastToProperFunctionPointerType)glGenFencesNV},
+ {"glIsFenceNV", (__eglMustCastToProperFunctionPointerType)glIsFenceNV},
+ {"glTestFenceNV", (__eglMustCastToProperFunctionPointerType)glTestFenceNV},
+ {"glGetFenceivNV", (__eglMustCastToProperFunctionPointerType)glGetFenceivNV},
+ {"glFinishFenceNV", (__eglMustCastToProperFunctionPointerType)glFinishFenceNV},
+ {"glSetFenceNV", (__eglMustCastToProperFunctionPointerType)glSetFenceNV},
+ {"glGetGraphicsResetStatusEXT", (__eglMustCastToProperFunctionPointerType)glGetGraphicsResetStatusEXT},
+ {"glReadnPixelsEXT", (__eglMustCastToProperFunctionPointerType)glReadnPixelsEXT},
+ {"glGetnUniformfvEXT", (__eglMustCastToProperFunctionPointerType)glGetnUniformfvEXT},
+ {"glGetnUniformivEXT", (__eglMustCastToProperFunctionPointerType)glGetnUniformivEXT},
+ {"glGenQueriesEXT", (__eglMustCastToProperFunctionPointerType)glGenQueriesEXT},
+ {"glDeleteQueriesEXT", (__eglMustCastToProperFunctionPointerType)glDeleteQueriesEXT},
+ {"glIsQueryEXT", (__eglMustCastToProperFunctionPointerType)glIsQueryEXT},
+ {"glBeginQueryEXT", (__eglMustCastToProperFunctionPointerType)glBeginQueryEXT},
+ {"glEndQueryEXT", (__eglMustCastToProperFunctionPointerType)glEndQueryEXT},
+ {"glGetQueryivEXT", (__eglMustCastToProperFunctionPointerType)glGetQueryivEXT},
+ {"glGetQueryObjectuivEXT", (__eglMustCastToProperFunctionPointerType)glGetQueryObjectuivEXT},
+ };
+
+ for(int ext = 0; ext < sizeof(glExtensions) / sizeof(Extension); ext++)
+ {
+ if(strcmp(procname, glExtensions[ext].name) == 0)
+ {
+ return (__eglMustCastToProperFunctionPointerType)glExtensions[ext].address;
+ }
+ }
+
+ return NULL;
+}
+
+void glBindTexImage(egl::Surface *surface)
+{
+ TRACE("(egl::Surface* surface = 0x%0.8p)",
+ surface);
+
+ try
+ {
+ gl::Context *context = gl::getContext();
+
+ if(context)
+ {
+ gl::Texture2D *textureObject = context->getTexture2D();
+
+ if(textureObject)
+ {
+ textureObject->bindTexImage(surface);
+ }
+ }
+ }
+ catch(std::bad_alloc&)
+ {
+ return error(GL_OUT_OF_MEMORY);
+ }
+}
+
+}
diff --git a/src/GLES2/libGLESv2/libGLESv2.def b/src/GLES2/libGLESv2/libGLESv2.def
new file mode 100644
index 0000000..bd087d3
--- /dev/null
+++ b/src/GLES2/libGLESv2/libGLESv2.def
@@ -0,0 +1,183 @@
+LIBRARY libGLESv2
+EXPORTS
+ glActiveTexture @1
+ glAttachShader @2
+ glBindAttribLocation @3
+ glBindBuffer @4
+ glBindFramebuffer @5
+ glBindRenderbuffer @6
+ glBindTexture @7
+ glBlendColor @8
+ glBlendEquation @9
+ glBlendEquationSeparate @10
+ glBlendFunc @11
+ glBlendFuncSeparate @12
+ glBufferData @13
+ glBufferSubData @14
+ glCheckFramebufferStatus @15
+ glClear @16
+ glClearColor @17
+ glClearDepthf @18
+ glClearStencil @19
+ glColorMask @20
+ glCompileShader @21
+ glCompressedTexImage2D @22
+ glCompressedTexSubImage2D @23
+ glCopyTexImage2D @24
+ glCopyTexSubImage2D @25
+ glCreateProgram @26
+ glCreateShader @27
+ glCullFace @28
+ glDeleteBuffers @29
+ glDeleteFramebuffers @30
+ glDeleteProgram @32
+ glDeleteRenderbuffers @33
+ glDeleteShader @34
+ glDeleteTextures @31
+ glDepthFunc @36
+ glDepthMask @37
+ glDepthRangef @38
+ glDetachShader @35
+ glDisable @39
+ glDisableVertexAttribArray @40
+ glDrawArrays @41
+ glDrawElements @42
+ glEnable @43
+ glEnableVertexAttribArray @44
+ glFinish @45
+ glFlush @46
+ glFramebufferRenderbuffer @47
+ glFramebufferTexture2D @48
+ glFrontFace @49
+ glGenBuffers @50
+ glGenFramebuffers @52
+ glGenRenderbuffers @53
+ glGenTextures @54
+ glGenerateMipmap @51
+ glGetActiveAttrib @55
+ glGetActiveUniform @56
+ glGetAttachedShaders @57
+ glGetAttribLocation @58
+ glGetBooleanv @59
+ glGetBufferParameteriv @60
+ glGetError @61
+ glGetFloatv @62
+ glGetFramebufferAttachmentParameteriv @63
+ glGetIntegerv @64
+ glGetProgramInfoLog @66
+ glGetProgramiv @65
+ glGetRenderbufferParameteriv @67
+ glGetShaderInfoLog @69
+ glGetShaderPrecisionFormat @70
+ glGetShaderSource @71
+ glGetShaderiv @68
+ glGetString @72
+ glGetTexParameterfv @73
+ glGetTexParameteriv @74
+ glGetUniformLocation @77
+ glGetUniformfv @75
+ glGetUniformiv @76
+ glGetVertexAttribPointerv @80
+ glGetVertexAttribfv @78
+ glGetVertexAttribiv @79
+ glHint @81
+ glIsBuffer @82
+ glIsEnabled @83
+ glIsFramebuffer @84
+ glIsProgram @85
+ glIsRenderbuffer @86
+ glIsShader @87
+ glIsTexture @88
+ glLineWidth @89
+ glLinkProgram @90
+ glPixelStorei @91
+ glPolygonOffset @92
+ glReadPixels @93
+ glReleaseShaderCompiler @94
+ glRenderbufferStorage @95
+ glSampleCoverage @96
+ glScissor @97
+ glShaderBinary @98
+ glShaderSource @99
+ glStencilFunc @100
+ glStencilFuncSeparate @101
+ glStencilMask @102
+ glStencilMaskSeparate @103
+ glStencilOp @104
+ glStencilOpSeparate @105
+ glTexImage2D @106
+ glTexParameterf @107
+ glTexParameterfv @108
+ glTexParameteri @109
+ glTexParameteriv @110
+ glTexSubImage2D @111
+ glUniform1f @112
+ glUniform1fv @113
+ glUniform1i @114
+ glUniform1iv @115
+ glUniform2f @116
+ glUniform2fv @117
+ glUniform2i @118
+ glUniform2iv @119
+ glUniform3f @120
+ glUniform3fv @121
+ glUniform3i @122
+ glUniform3iv @123
+ glUniform4f @124
+ glUniform4fv @125
+ glUniform4i @126
+ glUniform4iv @127
+ glUniformMatrix2fv @128
+ glUniformMatrix3fv @129
+ glUniformMatrix4fv @130
+ glUseProgram @131
+ glValidateProgram @132
+ glVertexAttrib1f @133
+ glVertexAttrib1fv @134
+ glVertexAttrib2f @135
+ glVertexAttrib2fv @136
+ glVertexAttrib3f @137
+ glVertexAttrib3fv @138
+ glVertexAttrib4f @139
+ glVertexAttrib4fv @140
+ glVertexAttribPointer @141
+ glViewport @142
+
+ ; Extensions
+ glTexImage3DOES @143
+ glBlitFramebufferANGLE @149
+ glRenderbufferStorageMultisampleANGLE @150
+ glDeleteFencesNV @151
+ glFinishFenceNV @152
+ glGenFencesNV @153
+ glGetFenceivNV @154
+ glIsFenceNV @155
+ glSetFenceNV @156
+ glTestFenceNV @157
+ ;glGetTranslatedShaderSourceANGLE @159
+ ;glTexStorage2DEXT @160
+ glGetGraphicsResetStatusEXT @161
+ glReadnPixelsEXT @162
+ glGetnUniformfvEXT @163
+ glGetnUniformivEXT @164
+ glGenQueriesEXT @165
+ glDeleteQueriesEXT @166
+ glIsQueryEXT @167
+ glBeginQueryEXT @168
+ glEndQueryEXT @169
+ glGetQueryivEXT @170
+ glGetQueryObjectuivEXT @171
+
+ ; EGL dependencies
+ glCreateContext @144
+ glDestroyContext @145
+ glMakeCurrent @146
+ glGetCurrentContext @147
+ glGetProcAddress @148
+ glBindTexImage @158
+
+ createFrameBuffer @172
+ createBackBuffer @173
+ createDevice @174
+
+ Register
\ No newline at end of file
diff --git a/src/GLES2/libGLESv2/libGLESv2.rc b/src/GLES2/libGLESv2/libGLESv2.rc
new file mode 100644
index 0000000..919c7ed
--- /dev/null
+++ b/src/GLES2/libGLESv2/libGLESv2.rc
@@ -0,0 +1,102 @@
+// Microsoft Visual C++ generated resource script.
+//
+#include "resource.h"
+
+#define APSTUDIO_READONLY_SYMBOLS
+/////////////////////////////////////////////////////////////////////////////
+//
+// Generated from the TEXTINCLUDE 2 resource.
+//
+#include <windows.h>
+#include "../../common/Version.h"
+
+/////////////////////////////////////////////////////////////////////////////
+#undef APSTUDIO_READONLY_SYMBOLS
+
+/////////////////////////////////////////////////////////////////////////////
+// English (U.S.) resources
+
+#if !defined(AFX_RESOURCE_DLL) || defined(AFX_TARG_ENU)
+#ifdef _WIN32
+LANGUAGE LANG_ENGLISH, SUBLANG_ENGLISH_US
+#pragma code_page(1252)
+#endif //_WIN32
+
+#ifdef APSTUDIO_INVOKED
+/////////////////////////////////////////////////////////////////////////////
+//
+// TEXTINCLUDE
+//
+
+1 TEXTINCLUDE
+BEGIN
+ "resource.h\0"
+END
+
+2 TEXTINCLUDE
+BEGIN
+ "#include ""afxres.h""\r\n"
+ "#include ""../common/version.h""\0"
+END
+
+3 TEXTINCLUDE
+BEGIN
+ "\r\n"
+ "\0"
+END
+
+#endif // APSTUDIO_INVOKED
+
+
+/////////////////////////////////////////////////////////////////////////////
+//
+// Version
+//
+
+VS_VERSION_INFO VERSIONINFO
+ FILEVERSION MAJOR_VERSION,MINOR_VERSION,BUILD_VERSION,BUILD_REVISION
+ PRODUCTVERSION MAJOR_VERSION,MINOR_VERSION,BUILD_VERSION,BUILD_REVISION
+ FILEFLAGSMASK 0x17L
+#ifdef _DEBUG
+ FILEFLAGS 0x1L
+#else
+ FILEFLAGS 0x0L
+#endif
+ FILEOS 0x4L
+ FILETYPE 0x2L
+ FILESUBTYPE 0x0L
+BEGIN
+ BLOCK "StringFileInfo"
+ BEGIN
+ BLOCK "040904b0"
+ BEGIN
+ VALUE "FileDescription", "SwiftShader libGLESv2 Dynamic Link Library"
+ VALUE "FileVersion", VERSION_STRING
+ VALUE "InternalName", "libGLESv2"
+ VALUE "LegalCopyright", "Copyright (C) 2012 TransGaming Inc."
+ VALUE "OriginalFilename", "libGLESv2.dll"
+ VALUE "PrivateBuild", VERSION_STRING
+ VALUE "ProductName", "SwiftShader libGLESv2 Dynamic Link Library"
+ VALUE "ProductVersion", VERSION_STRING
+ END
+ END
+ BLOCK "VarFileInfo"
+ BEGIN
+ VALUE "Translation", 0x409, 1200
+ END
+END
+
+#endif // English (U.S.) resources
+/////////////////////////////////////////////////////////////////////////////
+
+
+
+#ifndef APSTUDIO_INVOKED
+/////////////////////////////////////////////////////////////////////////////
+//
+// Generated from the TEXTINCLUDE 3 resource.
+//
+
+
+/////////////////////////////////////////////////////////////////////////////
+#endif // not APSTUDIO_INVOKED
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new file mode 100644
index 0000000..20cf4f8
--- /dev/null
+++ b/src/GLES2/libGLESv2/libGLESv2.vcxproj
@@ -0,0 +1,241 @@
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+ <Configuration>Profile</Configuration>
+ <Platform>Win32</Platform>
+ </ProjectConfiguration>
+ <ProjectConfiguration Include="Release|Win32">
+ <Configuration>Release</Configuration>
+ <Platform>Win32</Platform>
+ </ProjectConfiguration>
+ </ItemGroup>
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+ <RootNamespace>libGLESv2</RootNamespace>
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+ </PropertyGroup>
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+ <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'" Label="Configuration">
+ <ConfigurationType>DynamicLibrary</ConfigurationType>
+ <CharacterSet>NotSet</CharacterSet>
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+ </PropertyGroup>
+ <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Profile|Win32'" Label="Configuration">
+ <ConfigurationType>DynamicLibrary</ConfigurationType>
+ <CharacterSet>NotSet</CharacterSet>
+ <WholeProgramOptimization>true</WholeProgramOptimization>
+ </PropertyGroup>
+ <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'" Label="Configuration">
+ <ConfigurationType>DynamicLibrary</ConfigurationType>
+ <CharacterSet>NotSet</CharacterSet>
+ </PropertyGroup>
+ <Import Project="$(VCTargetsPath)\Microsoft.Cpp.props" />
+ <ImportGroup Label="ExtensionSettings">
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+ <Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
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+ <ImportGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'" Label="PropertySheets">
+ <Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
+ </ImportGroup>
+ <PropertyGroup Label="UserMacros" />
+ <PropertyGroup>
+ <_ProjectFileVersion>10.0.30319.1</_ProjectFileVersion>
+ <OutDir Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">$(Platform)\$(Configuration)\</OutDir>
+ <IntDir Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">$(Platform)\$(Configuration)\</IntDir>
+ <LinkIncremental Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">true</LinkIncremental>
+ <OutDir Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">$(Platform)\$(Configuration)\</OutDir>
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+ <IntDir Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">$(Platform)\$(Configuration)\</IntDir>
+ <IntDir Condition="'$(Configuration)|$(Platform)'=='Profile|Win32'">$(Platform)\$(Configuration)\</IntDir>
+ <LinkIncremental Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">false</LinkIncremental>
+ <LinkIncremental Condition="'$(Configuration)|$(Platform)'=='Profile|Win32'">false</LinkIncremental>
+ <IncludePath Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">$(DXSDK_DIR)\Include;..\include;$(IncludePath)</IncludePath>
+ <IncludePath Condition="'$(Configuration)|$(Platform)'=='Profile|Win32'">$(DXSDK_DIR)\Include;..\include;$(IncludePath)</IncludePath>
+ <IncludePath Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">$(DXSDK_DIR)\Include;..\include;$(DXSDK_DIR)\Include;$(VCInstallDir)PlatformSDK\include;$(IncludePath)</IncludePath>
+ <LibraryPath Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">$(DXSDK_DIR)\Lib\x86;$(VCInstallDir)PlatformSDK\lib;$(LibraryPath)</LibraryPath>
+ <LibraryPath Condition="'$(Configuration)|$(Platform)'=='Profile|Win32'">$(DXSDK_DIR)\Lib\x86;$(VCInstallDir)lib;$(VCInstallDir)atlmfc\lib;$(WindowsSdkDir)lib;$(FrameworkSDKDir)\lib</LibraryPath>
+ <LibraryPath Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">$(DXSDK_DIR)\Lib\x86;$(VCInstallDir)lib;$(VCInstallDir)atlmfc\lib;$(WindowsSdkDir)lib;$(FrameworkSDKDir)\lib</LibraryPath>
+ </PropertyGroup>
+ <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">
+ <ClCompile>
+ <Optimization>Disabled</Optimization>
+ <AdditionalIncludeDirectories>$(SolutionDir);$(ProjectDir)/..;$(ProjectDir)/../..;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
+ <PreprocessorDefinitions>WIN32;_DEBUG;_WINDOWS;_USRDLL;LIBGLESV2_EXPORTS;_CRT_SECURE_NO_DEPRECATE;NOMINMAX;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+ <MinimalRebuild>true</MinimalRebuild>
+ <BasicRuntimeChecks>EnableFastChecks</BasicRuntimeChecks>
+ <RuntimeLibrary>MultiThreadedDebug</RuntimeLibrary>
+ <PrecompiledHeader>
+ </PrecompiledHeader>
+ <WarningLevel>Level3</WarningLevel>
+ <DebugInformationFormat>ProgramDatabase</DebugInformationFormat>
+ <BrowseInformation>true</BrowseInformation>
+ </ClCompile>
+ <Link>
+ <AdditionalDependencies>dxguid.lib;dwmapi.lib;WS2_32.lib;%(AdditionalDependencies)</AdditionalDependencies>
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+ <SubSystem>Windows</SubSystem>
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+ <DataExecutionPrevention>
+ </DataExecutionPrevention>
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+ </Link>
+ <PostBuildEvent>
+ <Command>mkdir "$(ProjectDir)..\..\lib\$(Configuration)\"
+copy "$(OutDir)libGLESv2.dll" "$(ProjectDir)..\..\lib\$(Configuration)\"
+copy "$(OutDir)libGLESv2.lib" "$(ProjectDir)..\..\lib\$(Configuration)\"</Command>
+ </PostBuildEvent>
+ </ItemDefinitionGroup>
+ <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">
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+ <Optimization>Full</Optimization>
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+ <PrecompiledHeader>
+ </PrecompiledHeader>
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+ <DebugInformationFormat>
+ </DebugInformationFormat>
+ <FavorSizeOrSpeed>Size</FavorSizeOrSpeed>
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+ <EnableFiberSafeOptimizations>true</EnableFiberSafeOptimizations>
+ <WholeProgramOptimization>true</WholeProgramOptimization>
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+ </ClCompile>
+ <Link>
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+ <ModuleDefinitionFile>libGLESv2.def</ModuleDefinitionFile>
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+ <SubSystem>Windows</SubSystem>
+ <OptimizeReferences>true</OptimizeReferences>
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+ </DataExecutionPrevention>
+ <TargetMachine>MachineX86</TargetMachine>
+ </Link>
+ <PostBuildEvent>
+ <Command>mkdir "$(ProjectDir)..\..\lib\$(Configuration)\"
+copy "$(OutDir)libGLESv2.dll" "$(ProjectDir)..\..\lib\$(Configuration)\"
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+ <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Profile|Win32'">
+ <ClCompile>
+ <Optimization>Full</Optimization>
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+ <RuntimeLibrary>MultiThreaded</RuntimeLibrary>
+ <PrecompiledHeader>
+ </PrecompiledHeader>
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+ <DebugInformationFormat>ProgramDatabase</DebugInformationFormat>
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+ </ClCompile>
+ <Link>
+ <AdditionalDependencies>dxguid.lib;dwmapi.lib;WS2_32.lib;%(AdditionalDependencies)</AdditionalDependencies>
+ <IgnoreAllDefaultLibraries>false</IgnoreAllDefaultLibraries>
+ <ModuleDefinitionFile>libGLESv2.def</ModuleDefinitionFile>
+ <GenerateDebugInformation>true</GenerateDebugInformation>
+ <SubSystem>Windows</SubSystem>
+ <OptimizeReferences>true</OptimizeReferences>
+ <EnableCOMDATFolding>true</EnableCOMDATFolding>
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+ </DataExecutionPrevention>
+ <TargetMachine>MachineX86</TargetMachine>
+ </Link>
+ <PostBuildEvent>
+ <Command>mkdir "$(ProjectDir)..\..\lib\$(Configuration)\"
+copy "$(OutDir)libGLESv2.dll" "$(ProjectDir)..\..\lib\$(Configuration)\"
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+ </PostBuildEvent>
+ </ItemDefinitionGroup>
+ <ItemGroup>
+ <ClCompile Include="Buffer.cpp" />
+ <ClCompile Include="Context.cpp" />
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+ <ClCompile Include="Framebuffer.cpp" />
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+ <ClCompile Include="Shader.cpp" />
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+ <ClCompile Include="utilities.cpp" />
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+ <None Include="libGLESv2.def" />
+ </ItemGroup>
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+ <ResourceCompile Include="libGLESv2.rc" />
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+ <ItemGroup>
+ <ProjectReference Include="..\..\SwiftShader\SwiftShader.vcxproj">
+ <Project>{7b02cb19-4cdf-4f79-bc9b-7f3f6164a003}</Project>
+ <Private>true</Private>
+ <ReferenceOutputAssembly>true</ReferenceOutputAssembly>
+ <CopyLocalSatelliteAssemblies>false</CopyLocalSatelliteAssemblies>
+ <LinkLibraryDependencies>true</LinkLibraryDependencies>
+ <UseLibraryDependencyInputs>true</UseLibraryDependencyInputs>
+ </ProjectReference>
+ <ProjectReference Include="..\compiler\Compiler.vcxproj">
+ <Project>{5b3a6db8-1e7e-40d7-92b9-da8aae619fad}</Project>
+ </ProjectReference>
+ </ItemGroup>
+ <Import Project="$(VCTargetsPath)\Microsoft.Cpp.targets" />
+ <ImportGroup Label="ExtensionTargets">
+ </ImportGroup>
+</Project>
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diff --git a/src/GLES2/libGLESv2/libGLESv2.vcxproj.filters b/src/GLES2/libGLESv2/libGLESv2.vcxproj.filters
new file mode 100644
index 0000000..91125de
--- /dev/null
+++ b/src/GLES2/libGLESv2/libGLESv2.vcxproj.filters
@@ -0,0 +1,155 @@
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+<Project ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+ <ItemGroup>
+ <Filter Include="Source Files">
+ <UniqueIdentifier>{4FC737F1-C7A5-4376-A066-2A32D752A2FF}</UniqueIdentifier>
+ <Extensions>cpp;c;cc;cxx;def;odl;idl;hpj;bat;asm;asmx</Extensions>
+ </Filter>
+ <Filter Include="Header Files">
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+ <Extensions>h;hpp;hxx;hm;inl;inc;xsd</Extensions>
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+ <ClCompile Include="Buffer.cpp">
+ <Filter>Source Files</Filter>
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+ <Filter>Source Files</Filter>
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+ <ResourceCompile Include="libGLESv2.rc" />
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+ <None Include="libGLESv2.def" />
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+</Project>
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diff --git a/src/GLES2/libGLESv2/main.cpp b/src/GLES2/libGLESv2/main.cpp
new file mode 100644
index 0000000..4393ae7
--- /dev/null
+++ b/src/GLES2/libGLESv2/main.cpp
@@ -0,0 +1,177 @@
+// SwiftShader Software Renderer
+//
+// Copyright(c) 2005-2012 TransGaming Inc.
+//
+// All rights reserved. No part of this software may be copied, distributed, transmitted,
+// transcribed, stored in a retrieval system, translated into any human or computer
+// language by any means, or disclosed to third parties without the explicit written
+// agreement of TransGaming Inc. Without such an agreement, no rights or licenses, express
+// or implied, including but not limited to any patent rights, are granted to you.
+//
+
+// main.cpp: DLL entry point and management of thread-local data.
+
+#include "main.h"
+
+#include "Framebuffer.h"
+#include "libEGL/Surface.h"
+#include "Common/Thread.hpp"
+#include "common/debug.h"
+
+static sw::Thread::LocalStorageKey currentTLS = TLS_OUT_OF_INDEXES;
+
+#if !defined(_MSC_VER)
+#define CONSTRUCTOR __attribute__((constructor))
+#define DESTRUCTOR __attribute__((destructor))
+#else
+#define CONSTRUCTOR
+#define DESTRUCTOR
+#endif
+
+static void glAttachThread()
+{
+ TRACE("()");
+
+ gl::Current *current = new gl::Current;
+
+ if(current)
+ {
+ sw::Thread::setLocalStorage(currentTLS, current);
+
+ current->context = NULL;
+ current->display = NULL;
+ }
+}
+
+static void glDetachThread()
+{
+ TRACE("()");
+
+ gl::Current *current = (gl::Current*)sw::Thread::getLocalStorage(currentTLS);
+
+ if(current)
+ {
+ delete current;
+ }
+}
+
+CONSTRUCTOR static bool glAttachProcess()
+{
+ TRACE("()");
+
+ currentTLS = sw::Thread::allocateLocalStorageKey();
+
+ if(currentTLS == TLS_OUT_OF_INDEXES)
+ {
+ return false;
+ }
+
+ glAttachThread();
+
+ return true;
+}
+
+DESTRUCTOR static void glDetachProcess()
+{
+ TRACE("()");
+
+ glDetachThread();
+
+ sw::Thread::freeLocalStorageKey(currentTLS);
+}
+
+#if defined(_WIN32)
+extern "C" BOOL WINAPI DllMain(HINSTANCE instance, DWORD reason, LPVOID reserved)
+{
+ switch(reason)
+ {
+ case DLL_PROCESS_ATTACH:
+ return glAttachProcess();
+ break;
+ case DLL_THREAD_ATTACH:
+ glAttachThread();
+ break;
+ case DLL_THREAD_DETACH:
+ glDetachThread();
+ break;
+ case DLL_PROCESS_DETACH:
+ glDetachProcess();
+ break;
+ default:
+ break;
+ }
+
+ return TRUE;
+}
+#endif
+
+namespace gl
+{
+void makeCurrent(Context *context, egl::Display *display, egl::Surface *surface)
+{
+ Current *current = (Current*)sw::Thread::getLocalStorage(currentTLS);
+
+ current->context = context;
+ current->display = display;
+
+ if(context && display && surface)
+ {
+ context->makeCurrent(display, surface);
+ }
+}
+
+Context *getContext()
+{
+ Current *current = (Current*)sw::Thread::getLocalStorage(currentTLS);
+
+ return current->context;
+}
+
+egl::Display *getDisplay()
+{
+ Current *current = (Current*)sw::Thread::getLocalStorage(currentTLS);
+
+ return current->display;
+}
+
+Device *getDevice()
+{
+ egl::Display *display = getDisplay();
+
+ return display->getDevice();
+}
+}
+
+// Records an error code
+void error(GLenum errorCode)
+{
+ gl::Context *context = gl::getContext();
+
+ if(context)
+ {
+ switch(errorCode)
+ {
+ case GL_INVALID_ENUM:
+ context->recordInvalidEnum();
+ TRACE("\t! Error generated: invalid enum\n");
+ break;
+ case GL_INVALID_VALUE:
+ context->recordInvalidValue();
+ TRACE("\t! Error generated: invalid value\n");
+ break;
+ case GL_INVALID_OPERATION:
+ context->recordInvalidOperation();
+ TRACE("\t! Error generated: invalid operation\n");
+ break;
+ case GL_OUT_OF_MEMORY:
+ context->recordOutOfMemory();
+ TRACE("\t! Error generated: out of memory\n");
+ break;
+ case GL_INVALID_FRAMEBUFFER_OPERATION:
+ context->recordInvalidFramebufferOperation();
+ TRACE("\t! Error generated: invalid framebuffer operation\n");
+ break;
+ default: UNREACHABLE();
+ }
+ }
+}
diff --git a/src/GLES2/libGLESv2/main.h b/src/GLES2/libGLESv2/main.h
new file mode 100644
index 0000000..fdb0dc0
--- /dev/null
+++ b/src/GLES2/libGLESv2/main.h
@@ -0,0 +1,52 @@
+// SwiftShader Software Renderer
+//
+// Copyright(c) 2005-2012 TransGaming Inc.
+//
+// All rights reserved. No part of this software may be copied, distributed, transmitted,
+// transcribed, stored in a retrieval system, translated into any human or computer
+// language by any means, or disclosed to third parties without the explicit written
+// agreement of TransGaming Inc. Without such an agreement, no rights or licenses, express
+// or implied, including but not limited to any patent rights, are granted to you.
+//
+
+// main.h: Management of thread-local data.
+
+#ifndef LIBGLESV2_MAIN_H_
+#define LIBGLESV2_MAIN_H_
+
+#include "Context.h"
+#include "Device.hpp"
+#include "common/debug.h"
+#include "libEGL/Display.h"
+
+#define GL_APICALL
+#include <GLES2/gl2.h>
+#include <GLES2/gl2ext.h>
+
+namespace gl
+{
+ struct Current
+ {
+ Context *context;
+ egl::Display *display;
+ };
+
+ void makeCurrent(Context *context, egl::Display *display, egl::Surface *surface);
+
+ Context *getContext();
+ egl::Display *getDisplay();
+
+ Device *getDevice();
+}
+
+void error(GLenum errorCode);
+
+template<class T>
+const T &error(GLenum errorCode, const T &returnValue)
+{
+ error(errorCode);
+
+ return returnValue;
+}
+
+#endif // LIBGLESV2_MAIN_H_
diff --git a/src/GLES2/libGLESv2/mathutil.h b/src/GLES2/libGLESv2/mathutil.h
new file mode 100644
index 0000000..9955fb2
--- /dev/null
+++ b/src/GLES2/libGLESv2/mathutil.h
@@ -0,0 +1,79 @@
+// SwiftShader Software Renderer
+//
+// Copyright(c) 2005-2012 TransGaming Inc.
+//
+// All rights reserved. No part of this software may be copied, distributed, transmitted,
+// transcribed, stored in a retrieval system, translated into any human or computer
+// language by any means, or disclosed to third parties without the explicit written
+// agreement of TransGaming Inc. Without such an agreement, no rights or licenses, express
+// or implied, including but not limited to any patent rights, are granted to you.
+//
+
+// mathutil.h: Math and bit manipulation functions.
+
+#ifndef LIBGLESV2_MATHUTIL_H_
+#define LIBGLESV2_MATHUTIL_H_
+
+#include "common/debug.h"
+
+#include <math.h>
+
+namespace gl
+{
+inline bool isPow2(int x)
+{
+ return (x & (x - 1)) == 0 && (x != 0);
+}
+
+inline int log2(int x)
+{
+ int r = 0;
+ while((x >> r) > 1) r++;
+ return r;
+}
+
+inline unsigned int ceilPow2(unsigned int x)
+{
+ if(x != 0) x--;
+ x |= x >> 1;
+ x |= x >> 2;
+ x |= x >> 4;
+ x |= x >> 8;
+ x |= x >> 16;
+ x++;
+
+ return x;
+}
+
+template<typename T, typename MIN, typename MAX>
+inline T clamp(T x, MIN min, MAX max)
+{
+ return x < min ? min : (x > max ? max : x);
+}
+
+inline float clamp01(float x)
+{
+ return clamp(x, 0.0f, 1.0f);
+}
+
+template<const int n>
+inline unsigned int unorm(float x)
+{
+ const unsigned int max = 0xFFFFFFFF >> (32 - n);
+
+ if(x > 1)
+ {
+ return max;
+ }
+ else if(x < 0)
+ {
+ return 0;
+ }
+ else
+ {
+ return (unsigned int)(max * x + 0.5f);
+ }
+}
+}
+
+#endif // LIBGLESV2_MATHUTIL_H_
diff --git a/src/GLES2/libGLESv2/resource.h b/src/GLES2/libGLESv2/resource.h
new file mode 100644
index 0000000..39adaad
--- /dev/null
+++ b/src/GLES2/libGLESv2/resource.h
@@ -0,0 +1,14 @@
+//{{NO_DEPENDENCIES}}
+// Microsoft Visual C++ generated include file.
+// Used by libGLESv2.rc
+
+// Next default values for new objects
+//
+#ifdef APSTUDIO_INVOKED
+#ifndef APSTUDIO_READONLY_SYMBOLS
+#define _APS_NEXT_RESOURCE_VALUE 101
+#define _APS_NEXT_COMMAND_VALUE 40001
+#define _APS_NEXT_CONTROL_VALUE 1001
+#define _APS_NEXT_SYMED_VALUE 101
+#endif
+#endif
diff --git a/src/GLES2/libGLESv2/utilities.cpp b/src/GLES2/libGLESv2/utilities.cpp
new file mode 100644
index 0000000..954d937
--- /dev/null
+++ b/src/GLES2/libGLESv2/utilities.cpp
@@ -0,0 +1,849 @@
+// SwiftShader Software Renderer
+//
+// Copyright(c) 2005-2013 TransGaming Inc.
+//
+// All rights reserved. No part of this software may be copied, distributed, transmitted,
+// transcribed, stored in a retrieval system, translated into any human or computer
+// language by any means, or disclosed to third parties without the explicit written
+// agreement of TransGaming Inc. Without such an agreement, no rights or licenses, express
+// or implied, including but not limited to any patent rights, are granted to you.
+//
+
+// utilities.cpp: Conversion functions and other utility routines.
+
+#include "utilities.h"
+
+#include "mathutil.h"
+#include "Context.h"
+#include "common/debug.h"
+
+#include <limits>
+#include <stdio.h>
+
+namespace gl
+{
+ int UniformComponentCount(GLenum type)
+ {
+ switch(type)
+ {
+ case GL_BOOL:
+ case GL_FLOAT:
+ case GL_INT:
+ case GL_SAMPLER_2D:
+ case GL_SAMPLER_CUBE:
+ return 1;
+ case GL_BOOL_VEC2:
+ case GL_FLOAT_VEC2:
+ case GL_INT_VEC2:
+ return 2;
+ case GL_INT_VEC3:
+ case GL_FLOAT_VEC3:
+ case GL_BOOL_VEC3:
+ return 3;
+ case GL_BOOL_VEC4:
+ case GL_FLOAT_VEC4:
+ case GL_INT_VEC4:
+ case GL_FLOAT_MAT2:
+ return 4;
+ case GL_FLOAT_MAT3:
+ return 9;
+ case GL_FLOAT_MAT4:
+ return 16;
+ default:
+ UNREACHABLE();
+ }
+
+ return 0;
+ }
+
+ GLenum UniformComponentType(GLenum type)
+ {
+ switch(type)
+ {
+ case GL_BOOL:
+ case GL_BOOL_VEC2:
+ case GL_BOOL_VEC3:
+ case GL_BOOL_VEC4:
+ return GL_BOOL;
+ case GL_FLOAT:
+ case GL_FLOAT_VEC2:
+ case GL_FLOAT_VEC3:
+ case GL_FLOAT_VEC4:
+ case GL_FLOAT_MAT2:
+ case GL_FLOAT_MAT3:
+ case GL_FLOAT_MAT4:
+ return GL_FLOAT;
+ case GL_INT:
+ case GL_SAMPLER_2D:
+ case GL_SAMPLER_CUBE:
+ case GL_INT_VEC2:
+ case GL_INT_VEC3:
+ case GL_INT_VEC4:
+ return GL_INT;
+ default:
+ UNREACHABLE();
+ }
+
+ return GL_NONE;
+ }
+
+ size_t UniformTypeSize(GLenum type)
+ {
+ switch(type)
+ {
+ case GL_BOOL: return sizeof(GLboolean);
+ case GL_FLOAT: return sizeof(GLfloat);
+ case GL_INT: return sizeof(GLint);
+ }
+
+ return UniformTypeSize(UniformComponentType(type)) * UniformComponentCount(type);
+ }
+
+ int VariableRowCount(GLenum type)
+ {
+ switch(type)
+ {
+ case GL_NONE:
+ return 0;
+ case GL_BOOL:
+ case GL_FLOAT:
+ case GL_INT:
+ case GL_BOOL_VEC2:
+ case GL_FLOAT_VEC2:
+ case GL_INT_VEC2:
+ case GL_INT_VEC3:
+ case GL_FLOAT_VEC3:
+ case GL_BOOL_VEC3:
+ case GL_BOOL_VEC4:
+ case GL_FLOAT_VEC4:
+ case GL_INT_VEC4:
+ case GL_SAMPLER_2D:
+ case GL_SAMPLER_CUBE:
+ return 1;
+ case GL_FLOAT_MAT2:
+ return 2;
+ case GL_FLOAT_MAT3:
+ return 3;
+ case GL_FLOAT_MAT4:
+ return 4;
+ default:
+ UNREACHABLE();
+ }
+
+ return 0;
+ }
+
+ int VariableColumnCount(GLenum type)
+ {
+ switch(type)
+ {
+ case GL_NONE:
+ return 0;
+ case GL_BOOL:
+ case GL_FLOAT:
+ case GL_INT:
+ return 1;
+ case GL_BOOL_VEC2:
+ case GL_FLOAT_VEC2:
+ case GL_INT_VEC2:
+ case GL_FLOAT_MAT2:
+ return 2;
+ case GL_INT_VEC3:
+ case GL_FLOAT_VEC3:
+ case GL_BOOL_VEC3:
+ case GL_FLOAT_MAT3:
+ return 3;
+ case GL_BOOL_VEC4:
+ case GL_FLOAT_VEC4:
+ case GL_INT_VEC4:
+ case GL_FLOAT_MAT4:
+ return 4;
+ default:
+ UNREACHABLE();
+ }
+
+ return 0;
+ }
+
+ int AllocateFirstFreeBits(unsigned int *bits, unsigned int allocationSize, unsigned int bitsSize)
+ {
+ ASSERT(allocationSize <= bitsSize);
+
+ unsigned int mask = std::numeric_limits<unsigned int>::max() >> (std::numeric_limits<unsigned int>::digits - allocationSize);
+
+ for(unsigned int i = 0; i < bitsSize - allocationSize + 1; i++)
+ {
+ if((*bits & mask) == 0)
+ {
+ *bits |= mask;
+ return i;
+ }
+
+ mask <<= 1;
+ }
+
+ return -1;
+ }
+
+ GLsizei ComputePitch(GLsizei width, GLenum format, GLenum type, GLint alignment)
+ {
+ ASSERT(alignment > 0 && isPow2(alignment));
+
+ GLsizei rawPitch = ComputePixelSize(format, type) * width;
+ return (rawPitch + alignment - 1) & ~(alignment - 1);
+ }
+
+ GLsizei ComputeCompressedPitch(GLsizei width, GLenum format)
+ {
+ return ComputeCompressedSize(width, 1, format);
+ }
+
+ GLsizei ComputeCompressedSize(GLsizei width, GLsizei height, GLenum format)
+ {
+ switch(format)
+ {
+ case GL_COMPRESSED_RGB_S3TC_DXT1_EXT:
+ case GL_COMPRESSED_RGBA_S3TC_DXT1_EXT:
+ return 8 * (GLsizei)ceil((float)width / 4.0f) * (GLsizei)ceil((float)height / 4.0f);
+ case GL_COMPRESSED_RGBA_S3TC_DXT3_ANGLE:
+ case GL_COMPRESSED_RGBA_S3TC_DXT5_ANGLE:
+ return 16 * (GLsizei)ceil((float)width / 4.0f) * (GLsizei)ceil((float)height / 4.0f);
+ default:
+ return 0;
+ }
+ }
+
+ bool IsCompressed(GLenum format)
+ {
+ if(format == GL_COMPRESSED_RGB_S3TC_DXT1_EXT ||
+ format == GL_COMPRESSED_RGBA_S3TC_DXT1_EXT ||
+ format == GL_COMPRESSED_RGBA_S3TC_DXT3_ANGLE ||
+ format == GL_COMPRESSED_RGBA_S3TC_DXT5_ANGLE)
+ {
+ return true;
+ }
+ else
+ {
+ return false;
+ }
+ }
+
+ bool IsDepthTexture(GLenum format)
+ {
+ if(format == GL_DEPTH_COMPONENT ||
+ format == GL_DEPTH_STENCIL_OES)
+ {
+ return true;
+ }
+
+ return false;
+ }
+
+ bool IsStencilTexture(GLenum format)
+ {
+ if(format == GL_STENCIL_INDEX ||
+ format == GL_DEPTH_STENCIL_OES)
+ {
+ return true;
+ }
+
+ return false;
+ }
+
+ // Returns the size, in bytes, of a single texel in an Image
+ int ComputePixelSize(GLenum format, GLenum type)
+ {
+ switch(type)
+ {
+ case GL_UNSIGNED_BYTE:
+ switch(format)
+ {
+ case GL_ALPHA: return sizeof(unsigned char);
+ case GL_LUMINANCE: return sizeof(unsigned char);
+ case GL_LUMINANCE_ALPHA: return sizeof(unsigned char) * 2;
+ case GL_RGB: return sizeof(unsigned char) * 3;
+ case GL_RGBA: return sizeof(unsigned char) * 4;
+ case GL_BGRA_EXT: return sizeof(unsigned char) * 4;
+ default: UNREACHABLE();
+ }
+ break;
+ case GL_UNSIGNED_SHORT_4_4_4_4:
+ case GL_UNSIGNED_SHORT_5_5_5_1:
+ case GL_UNSIGNED_SHORT_5_6_5:
+ case GL_UNSIGNED_SHORT:
+ return sizeof(unsigned short);
+ case GL_UNSIGNED_INT:
+ case GL_UNSIGNED_INT_24_8_OES:
+ return sizeof(unsigned int);
+ case GL_FLOAT:
+ switch(format)
+ {
+ case GL_ALPHA: return sizeof(float);
+ case GL_LUMINANCE: return sizeof(float);
+ case GL_LUMINANCE_ALPHA: return sizeof(float) * 2;
+ case GL_RGB: return sizeof(float) * 3;
+ case GL_RGBA: return sizeof(float) * 4;
+ default: UNREACHABLE();
+ }
+ break;
+ case GL_HALF_FLOAT_OES:
+ switch(format)
+ {
+ case GL_ALPHA: return sizeof(unsigned short);
+ case GL_LUMINANCE: return sizeof(unsigned short);
+ case GL_LUMINANCE_ALPHA: return sizeof(unsigned short) * 2;
+ case GL_RGB: return sizeof(unsigned short) * 3;
+ case GL_RGBA: return sizeof(unsigned short) * 4;
+ default: UNREACHABLE();
+ }
+ break;
+ default: UNREACHABLE();
+ }
+
+ return 0;
+ }
+
+ bool IsCubemapTextureTarget(GLenum target)
+ {
+ return (target >= GL_TEXTURE_CUBE_MAP_POSITIVE_X && target <= GL_TEXTURE_CUBE_MAP_NEGATIVE_Z);
+ }
+
+ int CubeFaceIndex(GLenum cubeFace)
+ {
+ switch(cubeFace)
+ {
+ case GL_TEXTURE_CUBE_MAP:
+ case GL_TEXTURE_CUBE_MAP_POSITIVE_X: return 0;
+ case GL_TEXTURE_CUBE_MAP_NEGATIVE_X: return 1;
+ case GL_TEXTURE_CUBE_MAP_POSITIVE_Y: return 2;
+ case GL_TEXTURE_CUBE_MAP_NEGATIVE_Y: return 3;
+ case GL_TEXTURE_CUBE_MAP_POSITIVE_Z: return 4;
+ case GL_TEXTURE_CUBE_MAP_NEGATIVE_Z: return 5;
+ default: UNREACHABLE(); return 0;
+ }
+ }
+
+ bool IsTextureTarget(GLenum target)
+ {
+ return target == GL_TEXTURE_2D || IsCubemapTextureTarget(target);
+ }
+
+ // Verify that format/type are one of the combinations from table 3.4.
+ bool CheckTextureFormatType(GLenum format, GLenum type)
+ {
+ switch(type)
+ {
+ case GL_UNSIGNED_BYTE:
+ switch(format)
+ {
+ case GL_RGBA:
+ case GL_BGRA_EXT:
+ case GL_RGB:
+ case GL_ALPHA:
+ case GL_LUMINANCE:
+ case GL_LUMINANCE_ALPHA:
+ return true;
+ default:
+ return false;
+ }
+ case GL_FLOAT:
+ case GL_HALF_FLOAT_OES:
+ switch(format)
+ {
+ case GL_RGBA:
+ case GL_RGB:
+ case GL_ALPHA:
+ case GL_LUMINANCE:
+ case GL_LUMINANCE_ALPHA:
+ return true;
+ default:
+ return false;
+ }
+ case GL_UNSIGNED_SHORT_4_4_4_4:
+ case GL_UNSIGNED_SHORT_5_5_5_1:
+ return (format == GL_RGBA);
+ case GL_UNSIGNED_SHORT_5_6_5:
+ return (format == GL_RGB);
+ case GL_UNSIGNED_INT:
+ return (format == GL_DEPTH_COMPONENT);
+ case GL_UNSIGNED_INT_24_8_OES:
+ return (format == GL_DEPTH_STENCIL_OES);
+ default:
+ return false;
+ }
+ }
+
+ bool IsColorRenderable(GLenum internalformat)
+ {
+ switch(internalformat)
+ {
+ case GL_RGBA4:
+ case GL_RGB5_A1:
+ case GL_RGB565:
+ case GL_RGB8_OES:
+ case GL_RGBA8_OES:
+ return true;
+ case GL_DEPTH_COMPONENT16:
+ case GL_STENCIL_INDEX8:
+ case GL_DEPTH24_STENCIL8_OES:
+ return false;
+ default:
+ UNIMPLEMENTED();
+ }
+
+ return false;
+ }
+
+ bool IsDepthRenderable(GLenum internalformat)
+ {
+ switch(internalformat)
+ {
+ case GL_DEPTH_COMPONENT16:
+ case GL_DEPTH24_STENCIL8_OES:
+ return true;
+ case GL_STENCIL_INDEX8:
+ case GL_RGBA4:
+ case GL_RGB5_A1:
+ case GL_RGB565:
+ case GL_RGB8_OES:
+ case GL_RGBA8_OES:
+ return false;
+ default:
+ UNIMPLEMENTED();
+ }
+
+ return false;
+ }
+
+ bool IsStencilRenderable(GLenum internalformat)
+ {
+ switch(internalformat)
+ {
+ case GL_STENCIL_INDEX8:
+ case GL_DEPTH24_STENCIL8_OES:
+ return true;
+ case GL_RGBA4:
+ case GL_RGB5_A1:
+ case GL_RGB565:
+ case GL_RGB8_OES:
+ case GL_RGBA8_OES:
+ case GL_DEPTH_COMPONENT16:
+ return false;
+ default:
+ UNIMPLEMENTED();
+ }
+
+ return false;
+ }
+}
+
+namespace es2sw
+{
+ sw::Context::DepthCompareMode ConvertDepthComparison(GLenum comparison)
+ {
+ switch(comparison)
+ {
+ case GL_NEVER: return sw::Context::DEPTH_NEVER;
+ case GL_ALWAYS: return sw::Context::DEPTH_ALWAYS;
+ case GL_LESS: return sw::Context::DEPTH_LESS;
+ case GL_LEQUAL: return sw::Context::DEPTH_LESSEQUAL;
+ case GL_EQUAL: return sw::Context::DEPTH_EQUAL;
+ case GL_GREATER: return sw::Context::DEPTH_GREATER;
+ case GL_GEQUAL: return sw::Context::DEPTH_GREATEREQUAL;
+ case GL_NOTEQUAL: return sw::Context::DEPTH_NOTEQUAL;
+ default: UNREACHABLE();
+ }
+
+ return sw::Context::DEPTH_ALWAYS;
+ }
+
+ sw::Context::StencilCompareMode ConvertStencilComparison(GLenum comparison)
+ {
+ switch(comparison)
+ {
+ case GL_NEVER: return sw::Context::STENCIL_NEVER;
+ case GL_ALWAYS: return sw::Context::STENCIL_ALWAYS;
+ case GL_LESS: return sw::Context::STENCIL_LESS;
+ case GL_LEQUAL: return sw::Context::STENCIL_LESSEQUAL;
+ case GL_EQUAL: return sw::Context::STENCIL_EQUAL;
+ case GL_GREATER: return sw::Context::STENCIL_GREATER;
+ case GL_GEQUAL: return sw::Context::STENCIL_GREATEREQUAL;
+ case GL_NOTEQUAL: return sw::Context::STENCIL_NOTEQUAL;
+ default: UNREACHABLE();
+ }
+
+ return sw::Context::STENCIL_ALWAYS;
+ }
+
+ sw::Color<float> ConvertColor(gl::Color color)
+ {
+ return sw::Color<float>(color.red, color.green, color.blue, color.alpha);
+ }
+
+ sw::Context::BlendFactor ConvertBlendFunc(GLenum blend)
+ {
+ switch(blend)
+ {
+ case GL_ZERO: return sw::Context::BLEND_ZERO;
+ case GL_ONE: return sw::Context::BLEND_ONE;
+ case GL_SRC_COLOR: return sw::Context::BLEND_SOURCE;
+ case GL_ONE_MINUS_SRC_COLOR: return sw::Context::BLEND_INVSOURCE;
+ case GL_DST_COLOR: return sw::Context::BLEND_DEST;
+ case GL_ONE_MINUS_DST_COLOR: return sw::Context::BLEND_INVDEST;
+ case GL_SRC_ALPHA: return sw::Context::BLEND_SOURCEALPHA;
+ case GL_ONE_MINUS_SRC_ALPHA: return sw::Context::BLEND_INVSOURCEALPHA;
+ case GL_DST_ALPHA: return sw::Context::BLEND_DESTALPHA;
+ case GL_ONE_MINUS_DST_ALPHA: return sw::Context::BLEND_INVDESTALPHA;
+ case GL_CONSTANT_COLOR: return sw::Context::BLEND_CONSTANT;
+ case GL_ONE_MINUS_CONSTANT_COLOR: return sw::Context::BLEND_INVCONSTANT;
+ case GL_CONSTANT_ALPHA: return sw::Context::BLEND_CONSTANTALPHA;
+ case GL_ONE_MINUS_CONSTANT_ALPHA: return sw::Context::BLEND_INVCONSTANTALPHA;
+ case GL_SRC_ALPHA_SATURATE: return sw::Context::BLEND_SRCALPHASAT;
+ default: UNREACHABLE();
+ }
+
+ return sw::Context::BLEND_ZERO;
+ }
+
+ sw::Context::BlendOperation ConvertBlendOp(GLenum blendOp)
+ {
+ switch(blendOp)
+ {
+ case GL_FUNC_ADD: return sw::Context::BLENDOP_ADD;
+ case GL_FUNC_SUBTRACT: return sw::Context::BLENDOP_SUB;
+ case GL_FUNC_REVERSE_SUBTRACT: return sw::Context::BLENDOP_INVSUB;
+ default: UNREACHABLE();
+ }
+
+ return sw::Context::BLENDOP_ADD;
+ }
+
+ sw::Context::StencilOperation ConvertStencilOp(GLenum stencilOp)
+ {
+ switch(stencilOp)
+ {
+ case GL_ZERO: return sw::Context::OPERATION_ZERO;
+ case GL_KEEP: return sw::Context::OPERATION_KEEP;
+ case GL_REPLACE: return sw::Context::OPERATION_REPLACE;
+ case GL_INCR: return sw::Context::OPERATION_INCRSAT;
+ case GL_DECR: return sw::Context::OPERATION_DECRSAT;
+ case GL_INVERT: return sw::Context::OPERATION_INVERT;
+ case GL_INCR_WRAP: return sw::Context::OPERATION_INCR;
+ case GL_DECR_WRAP: return sw::Context::OPERATION_DECR;
+ default: UNREACHABLE();
+ }
+
+ return sw::Context::OPERATION_KEEP;
+ }
+
+ sw::AddressingMode ConvertTextureWrap(GLenum wrap)
+ {
+ switch(wrap)
+ {
+ case GL_REPEAT: return sw::ADDRESSING_WRAP;
+ case GL_CLAMP_TO_EDGE: return sw::ADDRESSING_CLAMP;
+ case GL_MIRRORED_REPEAT: return sw::ADDRESSING_MIRROR;
+ default: UNREACHABLE();
+ }
+
+ return sw::ADDRESSING_WRAP;
+ }
+
+ sw::Context::CullMode ConvertCullMode(GLenum cullFace, GLenum frontFace)
+ {
+ switch(cullFace)
+ {
+ case GL_FRONT:
+ return (frontFace == GL_CCW ? sw::Context::CULL_CLOCKWISE : sw::Context::CULL_COUNTERCLOCKWISE);
+ case GL_BACK:
+ return (frontFace == GL_CCW ? sw::Context::CULL_COUNTERCLOCKWISE : sw::Context::CULL_CLOCKWISE);
+ case GL_FRONT_AND_BACK:
+ return sw::Context::CULL_NONE; // culling will be handled during draw
+ default: UNREACHABLE();
+ }
+
+ return sw::Context::CULL_COUNTERCLOCKWISE;
+ }
+
+ unsigned int ConvertColorMask(bool red, bool green, bool blue, bool alpha)
+ {
+ return (red ? 0x00000001 : 0) |
+ (green ? 0x00000002 : 0) |
+ (blue ? 0x00000004 : 0) |
+ (alpha ? 0x00000008 : 0);
+ }
+
+ sw::FilterType ConvertMagFilter(GLenum magFilter)
+ {
+ switch(magFilter)
+ {
+ case GL_NEAREST: return sw::FILTER_POINT;
+ case GL_LINEAR: return sw::FILTER_LINEAR;
+ default: UNREACHABLE();
+ }
+
+ return sw::FILTER_POINT;
+ }
+
+ void ConvertMinFilter(GLenum texFilter, sw::FilterType *minFilter, sw::MipmapType *mipFilter, float maxAnisotropy)
+ {
+ switch(texFilter)
+ {
+ case GL_NEAREST:
+ *minFilter = sw::FILTER_POINT;
+ *mipFilter = sw::MIPMAP_NONE;
+ break;
+ case GL_LINEAR:
+ *minFilter = sw::FILTER_LINEAR;
+ *mipFilter = sw::MIPMAP_NONE;
+ break;
+ case GL_NEAREST_MIPMAP_NEAREST:
+ *minFilter = sw::FILTER_POINT;
+ *mipFilter = sw::MIPMAP_POINT;
+ break;
+ case GL_LINEAR_MIPMAP_NEAREST:
+ *minFilter = sw::FILTER_LINEAR;
+ *mipFilter = sw::MIPMAP_POINT;
+ break;
+ case GL_NEAREST_MIPMAP_LINEAR:
+ *minFilter = sw::FILTER_POINT;
+ *mipFilter = sw::MIPMAP_LINEAR;
+ break;
+ case GL_LINEAR_MIPMAP_LINEAR:
+ *minFilter = sw::FILTER_LINEAR;
+ *mipFilter = sw::MIPMAP_LINEAR;
+ break;
+ default:
+ *minFilter = sw::FILTER_POINT;
+ *mipFilter = sw::MIPMAP_NONE;
+ UNREACHABLE();
+ }
+
+ if(maxAnisotropy > 1.0f)
+ {
+ *minFilter = sw::FILTER_ANISOTROPIC;
+ }
+ }
+
+ bool ConvertPrimitiveType(GLenum primitiveType, GLsizei elementCount, gl::PrimitiveType &swPrimitiveType, int &primitiveCount)
+ {
+ switch(primitiveType)
+ {
+ case GL_POINTS:
+ swPrimitiveType = gl::DRAW_POINTLIST;
+ primitiveCount = elementCount;
+ break;
+ case GL_LINES:
+ swPrimitiveType = gl::DRAW_LINELIST;
+ primitiveCount = elementCount / 2;
+ break;
+ case GL_LINE_LOOP:
+ swPrimitiveType = gl::DRAW_LINELOOP;
+ primitiveCount = elementCount;
+ break;
+ case GL_LINE_STRIP:
+ swPrimitiveType = gl::DRAW_LINESTRIP;
+ primitiveCount = elementCount - 1;
+ break;
+ case GL_TRIANGLES:
+ swPrimitiveType = gl::DRAW_TRIANGLELIST;
+ primitiveCount = elementCount / 3;
+ break;
+ case GL_TRIANGLE_STRIP:
+ swPrimitiveType = gl::DRAW_TRIANGLESTRIP;
+ primitiveCount = elementCount - 2;
+ break;
+ case GL_TRIANGLE_FAN:
+ swPrimitiveType = gl::DRAW_TRIANGLEFAN;
+ primitiveCount = elementCount - 2;
+ break;
+ default:
+ return false;
+ }
+
+ return true;
+ }
+
+ sw::Format ConvertRenderbufferFormat(GLenum format)
+ {
+ switch(format)
+ {
+ case GL_RGBA4:
+ case GL_RGB5_A1:
+ case GL_RGBA8_OES: return sw::FORMAT_A8R8G8B8;
+ case GL_RGB565: return sw::FORMAT_R5G6B5;
+ case GL_RGB8_OES: return sw::FORMAT_X8R8G8B8;
+ case GL_DEPTH_COMPONENT16:
+ case GL_STENCIL_INDEX8:
+ case GL_DEPTH24_STENCIL8_OES: return sw::FORMAT_D24S8;
+ default: UNREACHABLE(); return sw::FORMAT_A8R8G8B8;
+ }
+ }
+}
+
+namespace sw2es
+{
+ unsigned int GetStencilSize(sw::Format stencilFormat)
+ {
+ switch(stencilFormat)
+ {
+ case sw::FORMAT_D24FS8:
+ case sw::FORMAT_D24S8:
+ case sw::FORMAT_D32FS8_TEXTURE:
+ return 8;
+ // case sw::FORMAT_D24X4S4:
+ // return 4;
+ // case sw::FORMAT_D15S1:
+ // return 1;
+ // case sw::FORMAT_D16_LOCKABLE:
+ case sw::FORMAT_D32:
+ case sw::FORMAT_D24X8:
+ case sw::FORMAT_D32F_LOCKABLE:
+ case sw::FORMAT_D16:
+ return 0;
+ // case sw::FORMAT_D32_LOCKABLE: return 0;
+ // case sw::FORMAT_S8_LOCKABLE: return 8;
+ default:
+ return 0;
+ }
+ }
+
+ unsigned int GetAlphaSize(sw::Format colorFormat)
+ {
+ switch(colorFormat)
+ {
+ case sw::FORMAT_A16B16G16R16F:
+ return 16;
+ case sw::FORMAT_A32B32G32R32F:
+ return 32;
+ case sw::FORMAT_A2R10G10B10:
+ return 2;
+ case sw::FORMAT_A8R8G8B8:
+ return 8;
+ case sw::FORMAT_A1R5G5B5:
+ return 1;
+ case sw::FORMAT_X8R8G8B8:
+ case sw::FORMAT_R5G6B5:
+ return 0;
+ default:
+ return 0;
+ }
+ }
+
+ unsigned int GetRedSize(sw::Format colorFormat)
+ {
+ switch(colorFormat)
+ {
+ case sw::FORMAT_A16B16G16R16F:
+ return 16;
+ case sw::FORMAT_A32B32G32R32F:
+ return 32;
+ case sw::FORMAT_A2R10G10B10:
+ return 10;
+ case sw::FORMAT_A8R8G8B8:
+ case sw::FORMAT_X8R8G8B8:
+ return 8;
+ case sw::FORMAT_A1R5G5B5:
+ case sw::FORMAT_R5G6B5:
+ return 5;
+ default:
+ return 0;
+ }
+ }
+
+ unsigned int GetGreenSize(sw::Format colorFormat)
+ {
+ switch(colorFormat)
+ {
+ case sw::FORMAT_A16B16G16R16F:
+ return 16;
+ case sw::FORMAT_A32B32G32R32F:
+ return 32;
+ case sw::FORMAT_A2R10G10B10:
+ return 10;
+ case sw::FORMAT_A8R8G8B8:
+ case sw::FORMAT_X8R8G8B8:
+ return 8;
+ case sw::FORMAT_A1R5G5B5:
+ return 5;
+ case sw::FORMAT_R5G6B5:
+ return 6;
+ default:
+ return 0;
+ }
+ }
+
+ unsigned int GetBlueSize(sw::Format colorFormat)
+ {
+ switch(colorFormat)
+ {
+ case sw::FORMAT_A16B16G16R16F:
+ return 16;
+ case sw::FORMAT_A32B32G32R32F:
+ return 32;
+ case sw::FORMAT_A2R10G10B10:
+ return 10;
+ case sw::FORMAT_A8R8G8B8:
+ case sw::FORMAT_X8R8G8B8:
+ return 8;
+ case sw::FORMAT_A1R5G5B5:
+ case sw::FORMAT_R5G6B5:
+ return 5;
+ default:
+ return 0;
+ }
+ }
+
+ unsigned int GetDepthSize(sw::Format depthFormat)
+ {
+ switch(depthFormat)
+ {
+ // case sw::FORMAT_D16_LOCKABLE: return 16;
+ case sw::FORMAT_D32: return 32;
+ // case sw::FORMAT_D15S1: return 15;
+ case sw::FORMAT_D24S8: return 24;
+ case sw::FORMAT_D24X8: return 24;
+ // case sw::FORMAT_D24X4S4: return 24;
+ case sw::FORMAT_D16: return 16;
+ case sw::FORMAT_D32F_LOCKABLE: return 32;
+ case sw::FORMAT_D24FS8: return 24;
+ // case sw::FORMAT_D32_LOCKABLE: return 32;
+ // case sw::FORMAT_S8_LOCKABLE: return 0;
+ case sw::FORMAT_D32FS8_TEXTURE: return 32;
+ default: return 0;
+ }
+ }
+
+ GLenum ConvertBackBufferFormat(sw::Format format)
+ {
+ switch(format)
+ {
+ case sw::FORMAT_A4R4G4B4: return GL_RGBA4;
+ case sw::FORMAT_A8R8G8B8: return GL_RGBA8_OES;
+ case sw::FORMAT_A1R5G5B5: return GL_RGB5_A1;
+ case sw::FORMAT_R5G6B5: return GL_RGB565;
+ case sw::FORMAT_X8R8G8B8: return GL_RGB8_OES;
+ default:
+ UNREACHABLE();
+ }
+
+ return GL_RGBA4;
+ }
+
+ GLenum ConvertDepthStencilFormat(sw::Format format)
+ {
+ switch(format)
+ {
+ case sw::FORMAT_D16:
+ case sw::FORMAT_D24X8:
+ case sw::FORMAT_D32:
+ return GL_DEPTH_COMPONENT16;
+ case sw::FORMAT_D24S8:
+ return GL_DEPTH24_STENCIL8_OES;
+ default:
+ UNREACHABLE();
+ }
+
+ return GL_DEPTH24_STENCIL8_OES;
+ }
+}
diff --git a/src/GLES2/libGLESv2/utilities.h b/src/GLES2/libGLESv2/utilities.h
new file mode 100644
index 0000000..94d89052
--- /dev/null
+++ b/src/GLES2/libGLESv2/utilities.h
@@ -0,0 +1,86 @@
+// SwiftShader Software Renderer
+//
+// Copyright(c) 2005-2013 TransGaming Inc.
+//
+// All rights reserved. No part of this software may be copied, distributed, transmitted,
+// transcribed, stored in a retrieval system, translated into any human or computer
+// language by any means, or disclosed to third parties without the explicit written
+// agreement of TransGaming Inc. Without such an agreement, no rights or licenses, express
+// or implied, including but not limited to any patent rights, are granted to you.
+//
+
+// utilities.h: Conversion functions and other utility routines.
+
+#ifndef LIBGLESV2_UTILITIES_H
+#define LIBGLESV2_UTILITIES_H
+
+#include "Device.hpp"
+#include "Image.hpp"
+#include "Texture.h"
+
+#define GL_APICALL
+#include <GLES2/gl2.h>
+#include <GLES2/gl2ext.h>
+
+#include <string>
+
+namespace gl
+{
+ struct Color;
+
+ int UniformComponentCount(GLenum type);
+ GLenum UniformComponentType(GLenum type);
+ size_t UniformTypeSize(GLenum type);
+ int VariableRowCount(GLenum type);
+ int VariableColumnCount(GLenum type);
+
+ int AllocateFirstFreeBits(unsigned int *bits, unsigned int allocationSize, unsigned int bitsSize);
+
+ int ComputePixelSize(GLenum format, GLenum type);
+ GLsizei ComputePitch(GLsizei width, GLenum format, GLenum type, GLint alignment);
+ GLsizei ComputeCompressedPitch(GLsizei width, GLenum format);
+ GLsizei ComputeCompressedSize(GLsizei width, GLsizei height, GLenum format);
+ bool IsCompressed(GLenum format);
+ bool IsDepthTexture(GLenum format);
+ bool IsStencilTexture(GLenum format);
+ bool IsCubemapTextureTarget(GLenum target);
+ int CubeFaceIndex(GLenum cubeTarget);
+ bool IsTextureTarget(GLenum target);
+ bool CheckTextureFormatType(GLenum format, GLenum type);
+
+ bool IsColorRenderable(GLenum internalformat);
+ bool IsDepthRenderable(GLenum internalformat);
+ bool IsStencilRenderable(GLenum internalformat);
+}
+
+namespace es2sw
+{
+ sw::Context::DepthCompareMode ConvertDepthComparison(GLenum comparison);
+ sw::Context::StencilCompareMode ConvertStencilComparison(GLenum comparison);
+ sw::Color<float> ConvertColor(gl::Color color);
+ sw::Context::BlendFactor ConvertBlendFunc(GLenum blend);
+ sw::Context::BlendOperation ConvertBlendOp(GLenum blendOp);
+ sw::Context::StencilOperation ConvertStencilOp(GLenum stencilOp);
+ sw::AddressingMode ConvertTextureWrap(GLenum wrap);
+ sw::Context::CullMode ConvertCullMode(GLenum cullFace, GLenum frontFace);
+ unsigned int ConvertColorMask(bool red, bool green, bool blue, bool alpha);
+ sw::FilterType ConvertMagFilter(GLenum magFilter);
+ void ConvertMinFilter(GLenum texFilter, sw::FilterType *minFilter, sw::MipmapType *mipFilter, float maxAnisotropy);
+ bool ConvertPrimitiveType(GLenum primitiveType, GLsizei elementCount, gl::PrimitiveType &swPrimitiveType, int &primitiveCount);
+ sw::Format ConvertRenderbufferFormat(GLenum format);
+}
+
+namespace sw2es
+{
+ GLuint GetAlphaSize(sw::Format colorFormat);
+ GLuint GetRedSize(sw::Format colorFormat);
+ GLuint GetGreenSize(sw::Format colorFormat);
+ GLuint GetBlueSize(sw::Format colorFormat);
+ GLuint GetDepthSize(sw::Format depthFormat);
+ GLuint GetStencilSize(sw::Format stencilFormat);
+
+ GLenum ConvertBackBufferFormat(sw::Format format);
+ GLenum ConvertDepthStencilFormat(sw::Format format);
+}
+
+#endif // LIBGLESV2_UTILITIES_H
