| // |
| // Copyright (c) 2002-2013 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 "Initialize.h" |
| |
| #include "intermediate.h" |
| |
| void InsertBuiltInFunctions(GLenum type, const ShBuiltInResources &resources, TSymbolTable &symbolTable) |
| { |
| TType *float1 = new TType(EbtFloat); |
| TType *float2 = new TType(EbtFloat, 2); |
| TType *float3 = new TType(EbtFloat, 3); |
| TType *float4 = new TType(EbtFloat, 4); |
| |
| TType *int2 = new TType(EbtInt, 2); |
| TType *int3 = new TType(EbtInt, 3); |
| TType *int4 = new TType(EbtInt, 4); |
| |
| // |
| // Angle and Trigonometric Functions. |
| // |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, float1, "radians", float1); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, float2, "radians", float2); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, float3, "radians", float3); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, float4, "radians", float4); |
| |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, float1, "degrees", float1); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, float2, "degrees", float2); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, float3, "degrees", float3); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, float4, "degrees", float4); |
| |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, float1, "sin", float1); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, float2, "sin", float2); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, float3, "sin", float3); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, float4, "sin", float4); |
| |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, float1, "cos", float1); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, float2, "cos", float2); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, float3, "cos", float3); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, float4, "cos", float4); |
| |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, float1, "tan", float1); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, float2, "tan", float2); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, float3, "tan", float3); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, float4, "tan", float4); |
| |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, float1, "asin", float1); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, float2, "asin", float2); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, float3, "asin", float3); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, float4, "asin", float4); |
| |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, float1, "acos", float1); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, float2, "acos", float2); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, float3, "acos", float3); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, float4, "acos", float4); |
| |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, float1, "atan", float1, float1); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, float2, "atan", float2, float2); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, float3, "atan", float3, float3); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, float4, "atan", float4, float4); |
| |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, float1, "atan", float1); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, float2, "atan", float2); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, float3, "atan", float3); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, float4, "atan", float4); |
| |
| // |
| // Exponential Functions. |
| // |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, float1, "pow", float1, float1); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, float2, "pow", float2, float2); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, float3, "pow", float3, float3); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, float4, "pow", float4, float4); |
| |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, float1, "exp", float1); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, float2, "exp", float2); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, float3, "exp", float3); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, float4, "exp", float4); |
| |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, float1, "log", float1); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, float2, "log", float2); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, float3, "log", float3); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, float4, "log", float4); |
| |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, float1, "exp2", float1); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, float2, "exp2", float2); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, float3, "exp2", float3); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, float4, "exp2", float4); |
| |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, float1, "log2", float1); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, float2, "log2", float2); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, float3, "log2", float3); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, float4, "log2", float4); |
| |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, float1, "sqrt", float1); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, float2, "sqrt", float2); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, float3, "sqrt", float3); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, float4, "sqrt", float4); |
| |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, float1, "inversesqrt", float1); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, float2, "inversesqrt", float2); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, float3, "inversesqrt", float3); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, float4, "inversesqrt", float4); |
| |
| // |
| // Common Functions. |
| // |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, float1, "abs", float1); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, float2, "abs", float2); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, float3, "abs", float3); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, float4, "abs", float4); |
| |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, float1, "sign", float1); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, float2, "sign", float2); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, float3, "sign", float3); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, float4, "sign", float4); |
| |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, float1, "floor", float1); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, float2, "floor", float2); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, float3, "floor", float3); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, float4, "floor", float4); |
| |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, float1, "ceil", float1); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, float2, "ceil", float2); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, float3, "ceil", float3); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, float4, "ceil", float4); |
| |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, float1, "fract", float1); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, float2, "fract", float2); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, float3, "fract", float3); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, float4, "fract", float4); |
| |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, float1, "mod", float1, float1); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, float2, "mod", float2, float1); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, float3, "mod", float3, float1); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, float4, "mod", float4, float1); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, float2, "mod", float2, float2); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, float3, "mod", float3, float3); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, float4, "mod", float4, float4); |
| |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, float1, "min", float1, float1); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, float2, "min", float2, float1); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, float3, "min", float3, float1); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, float4, "min", float4, float1); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, float2, "min", float2, float2); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, float3, "min", float3, float3); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, float4, "min", float4, float4); |
| |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, float1, "max", float1, float1); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, float2, "max", float2, float1); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, float3, "max", float3, float1); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, float4, "max", float4, float1); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, float2, "max", float2, float2); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, float3, "max", float3, float3); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, float4, "max", float4, float4); |
| |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, float1, "clamp", float1, float1, float1); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, float2, "clamp", float2, float1, float1); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, float3, "clamp", float3, float1, float1); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, float4, "clamp", float4, float1, float1); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, float2, "clamp", float2, float2, float2); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, float3, "clamp", float3, float3, float3); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, float4, "clamp", float4, float4, float4); |
| |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, float1, "mix", float1, float1, float1); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, float2, "mix", float2, float2, float1); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, float3, "mix", float3, float3, float1); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, float4, "mix", float4, float4, float1); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, float2, "mix", float2, float2, float2); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, float3, "mix", float3, float3, float3); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, float4, "mix", float4, float4, float4); |
| |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, float1, "step", float1, float1); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, float2, "step", float2, float2); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, float3, "step", float3, float3); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, float4, "step", float4, float4); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, float2, "step", float1, float2); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, float3, "step", float1, float3); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, float4, "step", float1, float4); |
| |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, float1, "smoothstep", float1, float1, float1); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, float2, "smoothstep", float2, float2, float2); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, float3, "smoothstep", float3, float3, float3); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, float4, "smoothstep", float4, float4, float4); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, float2, "smoothstep", float1, float1, float2); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, float3, "smoothstep", float1, float1, float3); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, float4, "smoothstep", float1, float1, float4); |
| |
| // |
| // Geometric Functions. |
| // |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, float1, "length", float1); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, float1, "length", float2); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, float1, "length", float3); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, float1, "length", float4); |
| |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, float1, "distance", float1, float1); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, float1, "distance", float2, float2); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, float1, "distance", float3, float3); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, float1, "distance", float4, float4); |
| |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, float1, "dot", float1, float1); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, float1, "dot", float2, float2); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, float1, "dot", float3, float3); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, float1, "dot", float4, float4); |
| |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, float3, "cross", float3, float3); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, float1, "normalize", float1); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, float2, "normalize", float2); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, float3, "normalize", float3); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, float4, "normalize", float4); |
| |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, float1, "faceforward", float1, float1, float1); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, float2, "faceforward", float2, float2, float2); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, float3, "faceforward", float3, float3, float3); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, float4, "faceforward", float4, float4, float4); |
| |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, float1, "reflect", float1, float1); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, float2, "reflect", float2, float2); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, float3, "reflect", float3, float3); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, float4, "reflect", float4, float4); |
| |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, float1, "refract", float1, float1, float1); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, float2, "refract", float2, float2, float1); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, float3, "refract", float3, float3, float1); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, float4, "refract", float4, float4, float1); |
| |
| TType *mat2 = new TType(EbtFloat, 2, true); |
| TType *mat3 = new TType(EbtFloat, 3, true); |
| TType *mat4 = new TType(EbtFloat, 4, true); |
| |
| // |
| // Matrix Functions. |
| // |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, mat2, "matrixCompMult", mat2, mat2); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, mat3, "matrixCompMult", mat3, mat3); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, mat4, "matrixCompMult", mat4, mat4); |
| |
| TType *bool1 = new TType(EbtBool); |
| TType *bool2 = new TType(EbtBool, 2); |
| TType *bool3 = new TType(EbtBool, 3); |
| TType *bool4 = new TType(EbtBool, 4); |
| |
| // |
| // Vector relational functions. |
| // |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, bool2, "lessThan", float2, float2); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, bool3, "lessThan", float3, float3); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, bool4, "lessThan", float4, float4); |
| |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, bool2, "lessThan", int2, int2); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, bool3, "lessThan", int3, int3); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, bool4, "lessThan", int4, int4); |
| |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, bool2, "lessThanEqual", float2, float2); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, bool3, "lessThanEqual", float3, float3); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, bool4, "lessThanEqual", float4, float4); |
| |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, bool2, "lessThanEqual", int2, int2); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, bool3, "lessThanEqual", int3, int3); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, bool4, "lessThanEqual", int4, int4); |
| |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, bool2, "greaterThan", float2, float2); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, bool3, "greaterThan", float3, float3); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, bool4, "greaterThan", float4, float4); |
| |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, bool2, "greaterThan", int2, int2); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, bool3, "greaterThan", int3, int3); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, bool4, "greaterThan", int4, int4); |
| |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, bool2, "greaterThanEqual", float2, float2); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, bool3, "greaterThanEqual", float3, float3); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, bool4, "greaterThanEqual", float4, float4); |
| |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, bool2, "greaterThanEqual", int2, int2); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, bool3, "greaterThanEqual", int3, int3); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, bool4, "greaterThanEqual", int4, int4); |
| |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, bool2, "equal", float2, float2); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, bool3, "equal", float3, float3); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, bool4, "equal", float4, float4); |
| |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, bool2, "equal", int2, int2); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, bool3, "equal", int3, int3); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, bool4, "equal", int4, int4); |
| |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, bool2, "equal", bool2, bool2); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, bool3, "equal", bool3, bool3); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, bool4, "equal", bool4, bool4); |
| |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, bool2, "notEqual", float2, float2); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, bool3, "notEqual", float3, float3); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, bool4, "notEqual", float4, float4); |
| |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, bool2, "notEqual", int2, int2); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, bool3, "notEqual", int3, int3); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, bool4, "notEqual", int4, int4); |
| |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, bool2, "notEqual", bool2, bool2); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, bool3, "notEqual", bool3, bool3); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, bool4, "notEqual", bool4, bool4); |
| |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, bool1, "any", bool2); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, bool1, "any", bool3); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, bool1, "any", bool4); |
| |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, bool1, "all", bool2); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, bool1, "all", bool3); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, bool1, "all", bool4); |
| |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, bool2, "not", bool2); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, bool3, "not", bool3); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, bool4, "not", bool4); |
| |
| TType *sampler2D = new TType(EbtSampler2D); |
| TType *samplerCube = new TType(EbtSamplerCube); |
| TType *sampler3D = new TType(EbtSampler3D); |
| |
| // |
| // Texture Functions for GLSL ES 1.0 |
| // |
| symbolTable.insertBuiltIn(ESSL1_BUILTINS, float4, "texture2D", sampler2D, float2); |
| symbolTable.insertBuiltIn(ESSL1_BUILTINS, float4, "texture2DProj", sampler2D, float3); |
| symbolTable.insertBuiltIn(ESSL1_BUILTINS, float4, "texture2DProj", sampler2D, float4); |
| symbolTable.insertBuiltIn(ESSL1_BUILTINS, float4, "textureCube", samplerCube, float3); |
| symbolTable.insertBuiltIn(ESSL1_BUILTINS, float4, "texture3D", sampler3D, float3); |
| |
| if(resources.OES_EGL_image_external) |
| { |
| TType *samplerExternalOES = new TType(EbtSamplerExternalOES); |
| |
| symbolTable.insertBuiltIn(ESSL1_BUILTINS, float4, "texture2D", samplerExternalOES, float2); |
| symbolTable.insertBuiltIn(ESSL1_BUILTINS, float4, "texture2DProj", samplerExternalOES, float3); |
| symbolTable.insertBuiltIn(ESSL1_BUILTINS, float4, "texture2DProj", samplerExternalOES, float4); |
| symbolTable.insertBuiltIn(ESSL1_BUILTINS, float4, "texture3D", samplerExternalOES, float3); |
| } |
| |
| if(type == GL_FRAGMENT_SHADER) |
| { |
| symbolTable.insertBuiltIn(ESSL1_BUILTINS, float4, "texture2D", sampler2D, float2, float1); |
| symbolTable.insertBuiltIn(ESSL1_BUILTINS, float4, "texture2DProj", sampler2D, float3, float1); |
| symbolTable.insertBuiltIn(ESSL1_BUILTINS, float4, "texture2DProj", sampler2D, float4, float1); |
| symbolTable.insertBuiltIn(ESSL1_BUILTINS, float4, "textureCube", samplerCube, float3, float1); |
| |
| if(resources.OES_standard_derivatives) |
| { |
| symbolTable.insertBuiltIn(ESSL1_BUILTINS, float1, "dFdx", float1); |
| symbolTable.insertBuiltIn(ESSL1_BUILTINS, float2, "dFdx", float2); |
| symbolTable.insertBuiltIn(ESSL1_BUILTINS, float3, "dFdx", float3); |
| symbolTable.insertBuiltIn(ESSL1_BUILTINS, float4, "dFdx", float4); |
| |
| symbolTable.insertBuiltIn(ESSL1_BUILTINS, float1, "dFdy", float1); |
| symbolTable.insertBuiltIn(ESSL1_BUILTINS, float2, "dFdy", float2); |
| symbolTable.insertBuiltIn(ESSL1_BUILTINS, float3, "dFdy", float3); |
| symbolTable.insertBuiltIn(ESSL1_BUILTINS, float4, "dFdy", float4); |
| |
| symbolTable.insertBuiltIn(ESSL1_BUILTINS, float1, "fwidth", float1); |
| symbolTable.insertBuiltIn(ESSL1_BUILTINS, float2, "fwidth", float2); |
| symbolTable.insertBuiltIn(ESSL1_BUILTINS, float3, "fwidth", float3); |
| symbolTable.insertBuiltIn(ESSL1_BUILTINS, float4, "fwidth", float4); |
| } |
| } |
| |
| if(type == GL_VERTEX_SHADER) |
| { |
| symbolTable.insertBuiltIn(ESSL1_BUILTINS, float4, "texture2DLod", sampler2D, float2, float1); |
| symbolTable.insertBuiltIn(ESSL1_BUILTINS, float4, "texture2DProjLod", sampler2D, float3, float1); |
| symbolTable.insertBuiltIn(ESSL1_BUILTINS, float4, "texture2DProjLod", sampler2D, float4, float1); |
| symbolTable.insertBuiltIn(ESSL1_BUILTINS, float4, "textureCubeLod", samplerCube, float3, float1); |
| symbolTable.insertBuiltIn(ESSL1_BUILTINS, float4, "texture3DLod", sampler3D, float3, float1); |
| } |
| |
| // |
| // Depth range in window coordinates |
| // |
| TTypeList *members = NewPoolTTypeList(); |
| TTypeLine near = {new TType(EbtFloat, EbpHigh, EvqGlobal, 1), 0}; |
| TTypeLine far = {new TType(EbtFloat, EbpHigh, EvqGlobal, 1), 0}; |
| TTypeLine diff = {new TType(EbtFloat, EbpHigh, EvqGlobal, 1), 0}; |
| near.type->setFieldName("near"); |
| far.type->setFieldName("far"); |
| diff.type->setFieldName("diff"); |
| members->push_back(near); |
| members->push_back(far); |
| members->push_back(diff); |
| TVariable *depthRangeParameters = new TVariable(NewPoolTString("gl_DepthRangeParameters"), TType(members, "gl_DepthRangeParameters"), true); |
| symbolTable.insert(COMMON_BUILTINS, *depthRangeParameters); |
| TVariable *depthRange = new TVariable(NewPoolTString("gl_DepthRange"), TType(members, "gl_DepthRangeParameters")); |
| depthRange->setQualifier(EvqUniform); |
| symbolTable.insert(COMMON_BUILTINS, *depthRange); |
| |
| // |
| // Implementation dependent built-in constants. |
| // |
| symbolTable.insertConstInt(COMMON_BUILTINS, "gl_MaxVertexAttribs", resources.MaxVertexAttribs); |
| symbolTable.insertConstInt(COMMON_BUILTINS, "gl_MaxVertexUniformVectors", resources.MaxVertexUniformVectors); |
| symbolTable.insertConstInt(COMMON_BUILTINS, "gl_MaxVertexTextureImageUnits", resources.MaxVertexTextureImageUnits); |
| symbolTable.insertConstInt(COMMON_BUILTINS, "gl_MaxCombinedTextureImageUnits", resources.MaxCombinedTextureImageUnits); |
| symbolTable.insertConstInt(COMMON_BUILTINS, "gl_MaxTextureImageUnits", resources.MaxTextureImageUnits); |
| symbolTable.insertConstInt(COMMON_BUILTINS, "gl_MaxFragmentUniformVectors", resources.MaxFragmentUniformVectors); |
| symbolTable.insertConstInt(ESSL1_BUILTINS, "gl_MaxVaryingVectors", resources.MaxVaryingVectors); |
| symbolTable.insertConstInt(ESSL1_BUILTINS, "gl_MaxDrawBuffers", resources.MaxDrawBuffers); |
| } |
| |
| void IdentifyBuiltIns(GLenum shaderType, |
| const ShBuiltInResources &resources, |
| TSymbolTable &symbolTable) |
| { |
| // |
| // First, insert some special built-in variables that are not in |
| // the built-in header files. |
| // |
| switch(shaderType) |
| { |
| case GL_FRAGMENT_SHADER: |
| symbolTable.insert(COMMON_BUILTINS, *new TVariable(NewPoolTString("gl_FragCoord"), TType(EbtFloat, EbpMedium, EvqFragCoord, 4))); |
| symbolTable.insert(COMMON_BUILTINS, *new TVariable(NewPoolTString("gl_FrontFacing"), TType(EbtBool, EbpUndefined, EvqFrontFacing, 1))); |
| symbolTable.insert(COMMON_BUILTINS, *new TVariable(NewPoolTString("gl_PointCoord"), TType(EbtFloat, EbpMedium, EvqPointCoord, 2))); |
| symbolTable.insert(ESSL1_BUILTINS, *new TVariable(NewPoolTString("gl_FragColor"), TType(EbtFloat, EbpMedium, EvqFragColor, 4))); |
| symbolTable.insert(ESSL1_BUILTINS, *new TVariable(NewPoolTString("gl_FragData[gl_MaxDrawBuffers]"), TType(EbtFloat, EbpMedium, EvqFragData, 4))); |
| break; |
| case GL_VERTEX_SHADER: |
| symbolTable.insert(COMMON_BUILTINS, *new TVariable(NewPoolTString("gl_Position"), TType(EbtFloat, EbpHigh, EvqPosition, 4))); |
| symbolTable.insert(COMMON_BUILTINS, *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(COMMON_BUILTINS, "matrixCompMult", EOpMul); |
| |
| symbolTable.relateToOperator(COMMON_BUILTINS, "equal", EOpVectorEqual); |
| symbolTable.relateToOperator(COMMON_BUILTINS, "notEqual", EOpVectorNotEqual); |
| symbolTable.relateToOperator(COMMON_BUILTINS, "lessThan", EOpLessThan); |
| symbolTable.relateToOperator(COMMON_BUILTINS, "greaterThan", EOpGreaterThan); |
| symbolTable.relateToOperator(COMMON_BUILTINS, "lessThanEqual", EOpLessThanEqual); |
| symbolTable.relateToOperator(COMMON_BUILTINS, "greaterThanEqual", EOpGreaterThanEqual); |
| |
| symbolTable.relateToOperator(COMMON_BUILTINS, "radians", EOpRadians); |
| symbolTable.relateToOperator(COMMON_BUILTINS, "degrees", EOpDegrees); |
| symbolTable.relateToOperator(COMMON_BUILTINS, "sin", EOpSin); |
| symbolTable.relateToOperator(COMMON_BUILTINS, "cos", EOpCos); |
| symbolTable.relateToOperator(COMMON_BUILTINS, "tan", EOpTan); |
| symbolTable.relateToOperator(COMMON_BUILTINS, "asin", EOpAsin); |
| symbolTable.relateToOperator(COMMON_BUILTINS, "acos", EOpAcos); |
| symbolTable.relateToOperator(COMMON_BUILTINS, "atan", EOpAtan); |
| |
| symbolTable.relateToOperator(COMMON_BUILTINS, "pow", EOpPow); |
| symbolTable.relateToOperator(COMMON_BUILTINS, "exp2", EOpExp2); |
| symbolTable.relateToOperator(COMMON_BUILTINS, "log", EOpLog); |
| symbolTable.relateToOperator(COMMON_BUILTINS, "exp", EOpExp); |
| symbolTable.relateToOperator(COMMON_BUILTINS, "log2", EOpLog2); |
| symbolTable.relateToOperator(COMMON_BUILTINS, "sqrt", EOpSqrt); |
| symbolTable.relateToOperator(COMMON_BUILTINS, "inversesqrt", EOpInverseSqrt); |
| |
| symbolTable.relateToOperator(COMMON_BUILTINS, "abs", EOpAbs); |
| symbolTable.relateToOperator(COMMON_BUILTINS, "sign", EOpSign); |
| symbolTable.relateToOperator(COMMON_BUILTINS, "floor", EOpFloor); |
| symbolTable.relateToOperator(COMMON_BUILTINS, "ceil", EOpCeil); |
| symbolTable.relateToOperator(COMMON_BUILTINS, "fract", EOpFract); |
| symbolTable.relateToOperator(COMMON_BUILTINS, "mod", EOpMod); |
| symbolTable.relateToOperator(COMMON_BUILTINS, "min", EOpMin); |
| symbolTable.relateToOperator(COMMON_BUILTINS, "max", EOpMax); |
| symbolTable.relateToOperator(COMMON_BUILTINS, "clamp", EOpClamp); |
| symbolTable.relateToOperator(COMMON_BUILTINS, "mix", EOpMix); |
| symbolTable.relateToOperator(COMMON_BUILTINS, "step", EOpStep); |
| symbolTable.relateToOperator(COMMON_BUILTINS, "smoothstep", EOpSmoothStep); |
| |
| symbolTable.relateToOperator(COMMON_BUILTINS, "length", EOpLength); |
| symbolTable.relateToOperator(COMMON_BUILTINS, "distance", EOpDistance); |
| symbolTable.relateToOperator(COMMON_BUILTINS, "dot", EOpDot); |
| symbolTable.relateToOperator(COMMON_BUILTINS, "cross", EOpCross); |
| symbolTable.relateToOperator(COMMON_BUILTINS, "normalize", EOpNormalize); |
| symbolTable.relateToOperator(COMMON_BUILTINS, "faceforward", EOpFaceForward); |
| symbolTable.relateToOperator(COMMON_BUILTINS, "reflect", EOpReflect); |
| symbolTable.relateToOperator(COMMON_BUILTINS, "refract", EOpRefract); |
| |
| symbolTable.relateToOperator(COMMON_BUILTINS, "any", EOpAny); |
| symbolTable.relateToOperator(COMMON_BUILTINS, "all", EOpAll); |
| symbolTable.relateToOperator(COMMON_BUILTINS, "not", EOpVectorLogicalNot); |
| |
| // Map language-specific operators. |
| switch(shaderType) |
| { |
| case GL_VERTEX_SHADER: |
| break; |
| case GL_FRAGMENT_SHADER: |
| if(resources.OES_standard_derivatives) |
| { |
| symbolTable.relateToOperator(ESSL1_BUILTINS, "dFdx", EOpDFdx); |
| symbolTable.relateToOperator(ESSL1_BUILTINS, "dFdy", EOpDFdy); |
| symbolTable.relateToOperator(ESSL1_BUILTINS, "fwidth", EOpFwidth); |
| |
| symbolTable.relateToExtension(ESSL1_BUILTINS, "dFdx", "GL_OES_standard_derivatives"); |
| symbolTable.relateToExtension(ESSL1_BUILTINS, "dFdy", "GL_OES_standard_derivatives"); |
| symbolTable.relateToExtension(ESSL1_BUILTINS, "fwidth", "GL_OES_standard_derivatives"); |
| } |
| break; |
| default: break; |
| } |
| |
| // Finally add resource-specific variables. |
| switch(shaderType) |
| { |
| case GL_FRAGMENT_SHADER: |
| { |
| // Set up gl_FragData. The array size. |
| TType fragData(EbtFloat, EbpMedium, EvqFragData, 4, false, true); |
| fragData.setArraySize(resources.MaxDrawBuffers); |
| symbolTable.insert(ESSL1_BUILTINS, *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; |
| if(resources.OES_fragment_precision_high) |
| extBehavior["GL_FRAGMENT_PRECISION_HIGH"] = EBhUndefined; |
| if(resources.OES_EGL_image_external) |
| extBehavior["GL_OES_EGL_image_external"] = EBhUndefined; |
| } |
