blob: bdfce54e5bed7bcdd97d441a88a07f957e8e9cd1 [file] [log] [blame]
// Copyright 2016 The SwiftShader Authors. All Rights Reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
// libGLESv3.cpp: Implements the exported OpenGL ES 3.0 functions.
#include "main.h"
#include "Buffer.h"
#include "Fence.h"
#include "Framebuffer.h"
#include "Program.h"
#include "Query.h"
#include "Sampler.h"
#include "Texture.h"
#include "mathutil.h"
#include "TransformFeedback.h"
#include "VertexArray.h"
#include "common/debug.h"
#include <GLES3/gl3.h>
#include <GLES2/gl2ext.h>
#include <limits.h>
using namespace es2;
static bool validImageSize(GLint level, GLsizei width, GLsizei height)
{
if(level < 0 || level >= es2::IMPLEMENTATION_MAX_TEXTURE_LEVELS || width < 0 || height < 0)
{
return false;
}
return true;
}
static bool ValidateQueryTarget(GLenum target)
{
switch(target)
{
case GL_ANY_SAMPLES_PASSED:
case GL_ANY_SAMPLES_PASSED_CONSERVATIVE:
case GL_TRANSFORM_FEEDBACK_PRIMITIVES_WRITTEN:
break;
default:
return false;
}
return true;
}
bool ValidateTexParamParameters(GLenum pname, GLint param)
{
switch(pname)
{
case GL_TEXTURE_WRAP_S:
case GL_TEXTURE_WRAP_T:
case GL_TEXTURE_WRAP_R:
switch(param)
{
case GL_REPEAT:
case GL_CLAMP_TO_EDGE:
case GL_MIRRORED_REPEAT:
return true;
default:
return error(GL_INVALID_ENUM, false);
}
case GL_TEXTURE_MIN_FILTER:
switch(param)
{
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:
return true;
default:
return error(GL_INVALID_ENUM, false);
}
break;
case GL_TEXTURE_MAG_FILTER:
switch(param)
{
case GL_NEAREST:
case GL_LINEAR:
return true;
default:
return error(GL_INVALID_ENUM, false);
}
break;
case GL_TEXTURE_USAGE_ANGLE:
switch(param)
{
case GL_NONE:
case GL_FRAMEBUFFER_ATTACHMENT_ANGLE:
return true;
default:
return error(GL_INVALID_ENUM, false);
}
break;
case GL_TEXTURE_MAX_ANISOTROPY_EXT:
// we assume the parameter passed to this validation method is truncated, not rounded
if(param < 1)
{
return error(GL_INVALID_VALUE, false);
}
return true;
case GL_TEXTURE_MIN_LOD:
case GL_TEXTURE_MAX_LOD:
// any value is permissible
return true;
case GL_TEXTURE_COMPARE_MODE:
// Acceptable mode parameters from GLES 3.0.2 spec, table 3.17
switch(param)
{
case GL_NONE:
case GL_COMPARE_REF_TO_TEXTURE:
return true;
default:
return error(GL_INVALID_ENUM, false);
}
break;
case GL_TEXTURE_COMPARE_FUNC:
// Acceptable function parameters from GLES 3.0.2 spec, table 3.17
switch(param)
{
case GL_LEQUAL:
case GL_GEQUAL:
case GL_LESS:
case GL_GREATER:
case GL_EQUAL:
case GL_NOTEQUAL:
case GL_ALWAYS:
case GL_NEVER:
return true;
default:
return error(GL_INVALID_ENUM, false);
}
break;
case GL_TEXTURE_SWIZZLE_R:
case GL_TEXTURE_SWIZZLE_G:
case GL_TEXTURE_SWIZZLE_B:
case GL_TEXTURE_SWIZZLE_A:
switch(param)
{
case GL_RED:
case GL_GREEN:
case GL_BLUE:
case GL_ALPHA:
case GL_ZERO:
case GL_ONE:
return true;
default:
return error(GL_INVALID_ENUM, false);
}
break;
case GL_TEXTURE_BASE_LEVEL:
case GL_TEXTURE_MAX_LEVEL:
if(param < 0)
{
return error(GL_INVALID_VALUE, false);
}
return true;
default:
break;
}
return error(GL_INVALID_ENUM, false);
}
static bool ValidateSamplerObjectParameter(GLenum pname)
{
switch(pname)
{
case GL_TEXTURE_MIN_FILTER:
case GL_TEXTURE_MAG_FILTER:
case GL_TEXTURE_WRAP_S:
case GL_TEXTURE_WRAP_T:
case GL_TEXTURE_WRAP_R:
case GL_TEXTURE_MIN_LOD:
case GL_TEXTURE_MAX_LOD:
case GL_TEXTURE_COMPARE_MODE:
case GL_TEXTURE_COMPARE_FUNC:
case GL_TEXTURE_MAX_ANISOTROPY_EXT:
return true;
default:
return false;
}
}
namespace gl
{
void GL_APIENTRY ReadBuffer(GLenum src)
{
TRACE("(GLenum src = 0x%X)", src);
auto context = es2::getContext();
if(context)
{
GLuint readFramebufferName = context->getReadFramebufferName();
switch(src)
{
case GL_BACK:
if(readFramebufferName != 0)
{
return error(GL_INVALID_OPERATION);
}
context->setFramebufferReadBuffer(src);
break;
case GL_NONE:
context->setFramebufferReadBuffer(src);
break;
case GL_COLOR_ATTACHMENT0:
case GL_COLOR_ATTACHMENT1:
case GL_COLOR_ATTACHMENT2:
case GL_COLOR_ATTACHMENT3:
case GL_COLOR_ATTACHMENT4:
case GL_COLOR_ATTACHMENT5:
case GL_COLOR_ATTACHMENT6:
case GL_COLOR_ATTACHMENT7:
case GL_COLOR_ATTACHMENT8:
case GL_COLOR_ATTACHMENT9:
case GL_COLOR_ATTACHMENT10:
case GL_COLOR_ATTACHMENT11:
case GL_COLOR_ATTACHMENT12:
case GL_COLOR_ATTACHMENT13:
case GL_COLOR_ATTACHMENT14:
case GL_COLOR_ATTACHMENT15:
case GL_COLOR_ATTACHMENT16:
case GL_COLOR_ATTACHMENT17:
case GL_COLOR_ATTACHMENT18:
case GL_COLOR_ATTACHMENT19:
case GL_COLOR_ATTACHMENT20:
case GL_COLOR_ATTACHMENT21:
case GL_COLOR_ATTACHMENT22:
case GL_COLOR_ATTACHMENT23:
case GL_COLOR_ATTACHMENT24:
case GL_COLOR_ATTACHMENT25:
case GL_COLOR_ATTACHMENT26:
case GL_COLOR_ATTACHMENT27:
case GL_COLOR_ATTACHMENT28:
case GL_COLOR_ATTACHMENT29:
case GL_COLOR_ATTACHMENT30:
case GL_COLOR_ATTACHMENT31:
{
GLuint index = (src - GL_COLOR_ATTACHMENT0);
if(index >= MAX_COLOR_ATTACHMENTS)
{
return error(GL_INVALID_OPERATION);
}
if(readFramebufferName == 0)
{
return error(GL_INVALID_OPERATION);
}
context->setFramebufferReadBuffer(src);
}
break;
default:
return error(GL_INVALID_ENUM);
}
}
}
void GL_APIENTRY DrawRangeElements(GLenum mode, GLuint start, GLuint end, GLsizei count, GLenum type, const void *indices)
{
TRACE("(GLenum mode = 0x%X, GLuint start = %d, GLuint end = %d, "
"GLsizei count = %d, GLenum type = 0x%x, const void* indices = %p)",
mode, start, end, count, type, indices);
switch(mode)
{
case GL_POINTS:
case GL_LINES:
case GL_LINE_LOOP:
case GL_LINE_STRIP:
case GL_TRIANGLES:
case GL_TRIANGLE_FAN:
case GL_TRIANGLE_STRIP:
break;
default:
return error(GL_INVALID_ENUM);
}
switch(type)
{
case GL_UNSIGNED_BYTE:
case GL_UNSIGNED_SHORT:
case GL_UNSIGNED_INT:
break;
default:
return error(GL_INVALID_ENUM);
}
if((count < 0) || (end < start))
{
return error(GL_INVALID_VALUE);
}
auto context = es2::getContext();
if(context)
{
es2::TransformFeedback* transformFeedback = context->getTransformFeedback();
if(transformFeedback && transformFeedback->isActive() && !transformFeedback->isPaused())
{
return error(GL_INVALID_OPERATION);
}
context->drawElements(mode, start, end, count, type, indices);
}
}
void GL_APIENTRY TexImage3D(GLenum target, GLint level, GLint internalformat, GLsizei width, GLsizei height, GLsizei depth, GLint border, GLenum format, GLenum type, const void *data)
{
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* data = %p)",
target, level, internalformat, width, height, depth, border, format, type, data);
switch(target)
{
case GL_TEXTURE_3D:
case GL_TEXTURE_2D_ARRAY:
break;
default:
return error(GL_INVALID_ENUM);
}
if((level < 0) || (level >= es2::IMPLEMENTATION_MAX_TEXTURE_LEVELS))
{
return error(GL_INVALID_VALUE);
}
const GLsizei maxSize3D = es2::IMPLEMENTATION_MAX_3D_TEXTURE_SIZE >> level;
if((width < 0) || (height < 0) || (depth < 0) || (width > maxSize3D) || (height > maxSize3D) || (depth > maxSize3D))
{
return error(GL_INVALID_VALUE);
}
if(border != 0)
{
return error(GL_INVALID_VALUE);
}
auto context = es2::getContext();
if(context)
{
GLenum validationError = ValidateTextureFormatType(format, type, internalformat, target);
if(validationError != GL_NO_ERROR)
{
return error(validationError);
}
es2::Texture3D *texture = (target == GL_TEXTURE_3D) ? context->getTexture3D() : context->getTexture2DArray();
if(!texture)
{
return error(GL_INVALID_OPERATION);
}
validationError = context->getPixels(&data, type, context->getRequiredBufferSize(width, height, depth, format, type));
if(validationError != GL_NO_ERROR)
{
return error(validationError);
}
GLint sizedInternalFormat = gl::GetSizedInternalFormat(internalformat, type);
texture->setImage(level, width, height, depth, sizedInternalFormat, format, type, context->getUnpackParameters(), data);
}
}
void GL_APIENTRY TexSubImage3D(GLenum target, GLint level, GLint xoffset, GLint yoffset, GLint zoffset, GLsizei width, GLsizei height, GLsizei depth, GLenum format, GLenum type, const void *data)
{
TRACE("(GLenum target = 0x%X, GLint level = %d, GLint xoffset = %d, GLint yoffset = %d, "
"GLint zoffset = %d, GLsizei width = %d, GLsizei height = %d, GLsizei depth = %d, "
"GLenum format = 0x%X, GLenum type = 0x%x, const GLvoid* data = %p)",
target, level, xoffset, yoffset, zoffset, width, height, depth, format, type, data);
switch(target)
{
case GL_TEXTURE_3D:
case GL_TEXTURE_2D_ARRAY:
break;
default:
return error(GL_INVALID_ENUM);
}
if((level < 0) || (level >= es2::IMPLEMENTATION_MAX_TEXTURE_LEVELS))
{
return error(GL_INVALID_VALUE);
}
if((width < 0) || (height < 0) || (depth < 0) || (xoffset < 0) || (yoffset < 0) || (zoffset < 0))
{
return error(GL_INVALID_VALUE);
}
auto context = es2::getContext();
if(context)
{
es2::Texture3D *texture = (target == GL_TEXTURE_3D) ? context->getTexture3D() : context->getTexture2DArray();
GLenum validationError = ValidateSubImageParams(false, false, target, level, xoffset, yoffset, zoffset, width, height, depth, format, type, texture);
if(validationError != GL_NO_ERROR)
{
return error(validationError);
}
validationError = context->getPixels(&data, type, context->getRequiredBufferSize(width, height, depth, format, type));
if(validationError != GL_NO_ERROR)
{
return error(validationError);
}
texture->subImage(level, xoffset, yoffset, zoffset, width, height, depth, format, type, context->getUnpackParameters(), data);
}
}
void GL_APIENTRY CopyTexSubImage3D(GLenum target, GLint level, GLint xoffset, GLint yoffset, GLint zoffset, GLint x, GLint y, GLsizei width, GLsizei height)
{
TRACE("(GLenum target = 0x%X, GLint level = %d, GLint xoffset = %d, GLint yoffset = %d, "
"GLint zoffset = %d, GLint x = %d, GLint y = %d, GLsizei width = %d, GLsizei height = %d)",
target, level, xoffset, yoffset, zoffset, x, y, width, height);
switch(target)
{
case GL_TEXTURE_3D:
case GL_TEXTURE_2D_ARRAY:
break;
default:
return error(GL_INVALID_ENUM);
}
if((level < 0) || (level >= es2::IMPLEMENTATION_MAX_TEXTURE_LEVELS))
{
return error(GL_INVALID_VALUE);
}
if((width < 0) || (height < 0) || (xoffset < 0) || (yoffset < 0) || (zoffset < 0))
{
return error(GL_INVALID_VALUE);
}
auto context = es2::getContext();
if(context)
{
es2::Framebuffer *framebuffer = context->getReadFramebuffer();
if(!framebuffer || (framebuffer->completeness() != GL_FRAMEBUFFER_COMPLETE))
{
return error(GL_INVALID_FRAMEBUFFER_OPERATION);
}
es2::Renderbuffer *source = framebuffer->getReadColorbuffer();
if(context->getReadFramebufferName() != 0 && (!source || source->getSamples() > 1))
{
return error(GL_INVALID_OPERATION);
}
GLenum colorbufferFormat = source->getFormat();
es2::Texture3D *texture = (target == GL_TEXTURE_3D) ? context->getTexture3D() : context->getTexture2DArray();
GLenum validationError = ValidateSubImageParams(false, true, target, level, xoffset, yoffset, zoffset, width, height, 1, GL_NONE, GL_NONE, texture);
if(validationError != GL_NO_ERROR)
{
return error(validationError);
}
GLenum textureFormat = texture->getFormat(target, level);
if(!ValidateCopyFormats(textureFormat, colorbufferFormat))
{
return;
}
texture->copySubImage(target, level, xoffset, yoffset, zoffset, x, y, width, height, source);
}
}
void GL_APIENTRY CompressedTexImage3D(GLenum target, GLint level, GLenum internalformat, GLsizei width, GLsizei height, GLsizei depth, GLint border, GLsizei imageSize, const void *data)
{
TRACE("(GLenum target = 0x%X, GLint level = %d, GLenum internalformat = 0x%X, GLsizei width = %d, "
"GLsizei height = %d, GLsizei depth = %d, GLint border = %d, GLsizei imageSize = %d, const GLvoid* data = %p)",
target, level, internalformat, width, height, depth, border, imageSize, data);
switch(target)
{
case GL_TEXTURE_3D:
case GL_TEXTURE_2D_ARRAY:
break;
default:
return error(GL_INVALID_ENUM);
}
if((level < 0) || (level >= es2::IMPLEMENTATION_MAX_TEXTURE_LEVELS))
{
return error(GL_INVALID_VALUE);
}
const GLsizei maxSize3D = es2::IMPLEMENTATION_MAX_3D_TEXTURE_SIZE >> level;
if((width < 0) || (height < 0) || (depth < 0) || (width > maxSize3D) || (height > maxSize3D) || (depth > maxSize3D) || (border != 0) || (imageSize < 0))
{
return error(GL_INVALID_VALUE);
}
if(!IsCompressed(internalformat))
{
return error(GL_INVALID_ENUM);
}
if(imageSize != gl::ComputeCompressedSize(width, height, internalformat) * depth)
{
return error(GL_INVALID_VALUE);
}
auto context = es2::getContext();
if(context)
{
es2::Texture3D *texture = (target == GL_TEXTURE_3D) ? context->getTexture3D() : context->getTexture2DArray();
if(!texture)
{
return error(GL_INVALID_OPERATION);
}
GLenum validationError = context->getPixels(&data, GL_UNSIGNED_BYTE, imageSize);
if(validationError != GL_NO_ERROR)
{
return error(validationError);
}
texture->setCompressedImage(level, internalformat, width, height, depth, imageSize, data);
}
}
void GL_APIENTRY CompressedTexSubImage3D(GLenum target, GLint level, GLint xoffset, GLint yoffset, GLint zoffset, GLsizei width, GLsizei height, GLsizei depth, GLenum format, GLsizei imageSize, const void *data)
{
TRACE("(GLenum target = 0x%X, GLint level = %d, GLint xoffset = %d, GLint yoffset = %d, "
"GLint zoffset = %d, GLsizei width = %d, GLsizei height = %d, GLsizei depth = %d, "
"GLenum format = 0x%X, GLsizei imageSize = %d, const void *data = %p)",
target, level, xoffset, yoffset, zoffset, width, height, depth, format, imageSize, data);
switch(target)
{
case GL_TEXTURE_3D:
case GL_TEXTURE_2D_ARRAY:
break;
default:
return error(GL_INVALID_ENUM);
}
if(level < 0 || level >= es2::IMPLEMENTATION_MAX_TEXTURE_LEVELS)
{
return error(GL_INVALID_VALUE);
}
if(xoffset < 0 || yoffset < 0 || zoffset < 0 || !validImageSize(level, width, height) || depth < 0 || imageSize < 0)
{
return error(GL_INVALID_VALUE);
}
if(!IsCompressed(format))
{
return error(GL_INVALID_ENUM);
}
if(imageSize != gl::ComputeCompressedSize(width, height, format) * depth)
{
return error(GL_INVALID_VALUE);
}
bool is_ETC2_EAC = false;
switch(format)
{
case GL_COMPRESSED_R11_EAC:
case GL_COMPRESSED_SIGNED_R11_EAC:
case GL_COMPRESSED_RG11_EAC:
case GL_COMPRESSED_SIGNED_RG11_EAC:
case GL_COMPRESSED_RGB8_ETC2:
case GL_COMPRESSED_SRGB8_ETC2:
case GL_COMPRESSED_RGB8_PUNCHTHROUGH_ALPHA1_ETC2:
case GL_COMPRESSED_SRGB8_PUNCHTHROUGH_ALPHA1_ETC2:
case GL_COMPRESSED_RGBA8_ETC2_EAC:
case GL_COMPRESSED_SRGB8_ALPHA8_ETC2_EAC:
if(target != GL_TEXTURE_2D_ARRAY)
{
return error(GL_INVALID_OPERATION);
}
if(((width % 4) != 0) || ((height % 4) != 0) ||
((xoffset % 4) != 0) || ((yoffset % 4) != 0))
{
return error(GL_INVALID_OPERATION);
}
is_ETC2_EAC = true;
break;
default:
break;
}
auto context = es2::getContext();
if(context)
{
es2::Texture3D *texture = (target == GL_TEXTURE_3D) ? context->getTexture3D() : context->getTexture2DArray();
if(!texture)
{
return error(GL_INVALID_OPERATION);
}
GLenum validationError = context->getPixels(&data, GL_UNSIGNED_BYTE, imageSize);
if(validationError != GL_NO_ERROR)
{
return error(validationError);
}
if(is_ETC2_EAC)
{
if(((width + xoffset) != texture->getWidth(target, level)) ||
((height + yoffset) != texture->getHeight(target, level)) ||
((depth + zoffset) != texture->getDepth(target, level)))
{
return error(GL_INVALID_OPERATION);
}
}
texture->subImageCompressed(level, xoffset, yoffset, zoffset, width, height, depth, format, imageSize, data);
}
}
void GL_APIENTRY GenQueries(GLsizei n, GLuint *ids)
{
TRACE("(GLsizei n = %d, GLuint* ids = %p)", n, ids);
if(n < 0)
{
return error(GL_INVALID_VALUE);
}
auto context = es2::getContext();
if(context)
{
for(int i = 0; i < n; i++)
{
ids[i] = context->createQuery();
}
}
}
void GL_APIENTRY DeleteQueries(GLsizei n, const GLuint *ids)
{
TRACE("(GLsizei n = %d, GLuint* ids = %p)", n, ids);
if(n < 0)
{
return error(GL_INVALID_VALUE);
}
auto context = es2::getContext();
if(context)
{
for(int i = 0; i < n; i++)
{
context->deleteQuery(ids[i]);
}
}
}
GLboolean GL_APIENTRY IsQuery(GLuint id)
{
TRACE("(GLuint id = %d)", id);
if(id == 0)
{
return GL_FALSE;
}
auto context = es2::getContext();
if(context)
{
es2::Query *queryObject = context->getQuery(id);
if(queryObject)
{
return GL_TRUE;
}
}
return GL_FALSE;
}
void GL_APIENTRY BeginQuery(GLenum target, GLuint id)
{
TRACE("(GLenum target = 0x%X, GLuint id = %d)", target, id);
if(!ValidateQueryTarget(target))
{
return error(GL_INVALID_ENUM);
}
if(id == 0)
{
return error(GL_INVALID_OPERATION);
}
auto context = es2::getContext();
if(context)
{
context->beginQuery(target, id);
}
}
void GL_APIENTRY EndQuery(GLenum target)
{
TRACE("(GLenum target = 0x%X)", target);
if(!ValidateQueryTarget(target))
{
return error(GL_INVALID_ENUM);
}
auto context = es2::getContext();
if(context)
{
context->endQuery(target);
}
}
void GL_APIENTRY GetQueryiv(GLenum target, GLenum pname, GLint *params)
{
TRACE("(GLenum target = 0x%X, GLenum pname = 0x%X, GLint *params = %p)",
target, pname, params);
if(!ValidateQueryTarget(target) || (pname != GL_CURRENT_QUERY))
{
return error(GL_INVALID_ENUM);
}
auto context = es2::getContext();
if(context)
{
params[0] = context->getActiveQuery(target);
}
}
void GL_APIENTRY GetQueryObjectuiv(GLuint id, GLenum pname, GLuint *params)
{
TRACE("(GLuint id = %d, GLenum pname = 0x%X, GLint *params = %p)",
id, pname, params);
switch(pname)
{
case GL_QUERY_RESULT:
case GL_QUERY_RESULT_AVAILABLE:
break;
default:
return error(GL_INVALID_ENUM);
}
auto context = es2::getContext();
if(context)
{
es2::Query *queryObject = context->getQuery(id);
if(!queryObject)
{
return error(GL_INVALID_OPERATION);
}
if(context->getActiveQuery(queryObject->getType()) == id)
{
return error(GL_INVALID_OPERATION);
}
switch(pname)
{
case GL_QUERY_RESULT:
params[0] = queryObject->getResult();
break;
case GL_QUERY_RESULT_AVAILABLE:
params[0] = queryObject->isResultAvailable();
break;
default:
ASSERT(false);
}
}
}
GLboolean GL_APIENTRY UnmapBuffer(GLenum target)
{
TRACE("(GLenum target = 0x%X)", target);
auto context = es2::getContext();
if(context)
{
es2::Buffer *buffer = nullptr;
if(!context->getBuffer(target, &buffer))
{
return error(GL_INVALID_ENUM, GL_TRUE);
}
if(!buffer)
{
// A null buffer means that "0" is bound to the requested buffer target
return error(GL_INVALID_OPERATION, GL_TRUE);
}
if(!buffer->isMapped())
{
// Already unmapped
return error(GL_INVALID_OPERATION, GL_TRUE);
}
return buffer->unmap() ? GL_TRUE : GL_FALSE;
}
return GL_TRUE;
}
void GL_APIENTRY GetBufferPointerv(GLenum target, GLenum pname, void **params)
{
TRACE("(GLenum target = 0x%X, GLenum pname = 0x%X, GLint *params = %p)",
target, pname, params);
if(pname != GL_BUFFER_MAP_POINTER)
{
return error(GL_INVALID_ENUM);
}
auto context = es2::getContext();
if(context)
{
es2::Buffer *buffer = nullptr;
if(!context->getBuffer(target, &buffer))
{
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);
}
*params = buffer->isMapped() ? (void*)(((const char*)buffer->data()) + buffer->offset()) : nullptr;
}
}
void GL_APIENTRY DrawBuffers(GLsizei n, const GLenum *bufs)
{
TRACE("(GLsizei n = %d, const GLenum *bufs = %p)", n, bufs);
if(n < 0 || n > MAX_DRAW_BUFFERS)
{
return error(GL_INVALID_VALUE);
}
auto context = es2::getContext();
if(context)
{
GLuint drawFramebufferName = context->getDrawFramebufferName();
if((drawFramebufferName == 0) && (n != 1))
{
return error(GL_INVALID_OPERATION);
}
for(unsigned int i = 0; i < (unsigned)n; i++)
{
switch(bufs[i])
{
case GL_BACK:
if(drawFramebufferName != 0)
{
return error(GL_INVALID_OPERATION);
}
break;
case GL_NONE:
break;
case GL_COLOR_ATTACHMENT0:
case GL_COLOR_ATTACHMENT1:
case GL_COLOR_ATTACHMENT2:
case GL_COLOR_ATTACHMENT3:
case GL_COLOR_ATTACHMENT4:
case GL_COLOR_ATTACHMENT5:
case GL_COLOR_ATTACHMENT6:
case GL_COLOR_ATTACHMENT7:
case GL_COLOR_ATTACHMENT8:
case GL_COLOR_ATTACHMENT9:
case GL_COLOR_ATTACHMENT10:
case GL_COLOR_ATTACHMENT11:
case GL_COLOR_ATTACHMENT12:
case GL_COLOR_ATTACHMENT13:
case GL_COLOR_ATTACHMENT14:
case GL_COLOR_ATTACHMENT15:
case GL_COLOR_ATTACHMENT16:
case GL_COLOR_ATTACHMENT17:
case GL_COLOR_ATTACHMENT18:
case GL_COLOR_ATTACHMENT19:
case GL_COLOR_ATTACHMENT20:
case GL_COLOR_ATTACHMENT21:
case GL_COLOR_ATTACHMENT22:
case GL_COLOR_ATTACHMENT23:
case GL_COLOR_ATTACHMENT24:
case GL_COLOR_ATTACHMENT25:
case GL_COLOR_ATTACHMENT26:
case GL_COLOR_ATTACHMENT27:
case GL_COLOR_ATTACHMENT28:
case GL_COLOR_ATTACHMENT29:
case GL_COLOR_ATTACHMENT30:
case GL_COLOR_ATTACHMENT31:
{
GLuint index = (bufs[i] - GL_COLOR_ATTACHMENT0);
if(index >= MAX_COLOR_ATTACHMENTS)
{
return error(GL_INVALID_OPERATION);
}
if(index != i)
{
return error(GL_INVALID_OPERATION);
}
if(drawFramebufferName == 0)
{
return error(GL_INVALID_OPERATION);
}
}
break;
default:
return error(GL_INVALID_ENUM);
}
}
context->setFramebufferDrawBuffers(n, bufs);
}
}
void GL_APIENTRY UniformMatrix2x3fv(GLint location, GLsizei count, GLboolean transpose, const GLfloat *value)
{
TRACE("(GLint location = %d, GLsizei count = %d, GLboolean transpose = %d, const GLfloat *value = %p)", location, count, transpose, value);
if(count < 0)
{
return error(GL_INVALID_VALUE);
}
auto context = es2::getContext();
if(context)
{
es2::Program *program = context->getCurrentProgram();
if(!program)
{
return error(GL_INVALID_OPERATION);
}
if(location == -1)
{
return;
}
if(!program->setUniformMatrix2x3fv(location, count, transpose, value))
{
return error(GL_INVALID_OPERATION);
}
}
}
void GL_APIENTRY UniformMatrix3x2fv(GLint location, GLsizei count, GLboolean transpose, const GLfloat *value)
{
TRACE("(GLint location = %d, GLsizei count = %d, GLboolean transpose = %d, const GLfloat *value = %p)", location, count, transpose, value);
if(count < 0)
{
return error(GL_INVALID_VALUE);
}
auto context = es2::getContext();
if(context)
{
es2::Program *program = context->getCurrentProgram();
if(!program)
{
return error(GL_INVALID_OPERATION);
}
if(location == -1)
{
return;
}
if(!program->setUniformMatrix3x2fv(location, count, transpose, value))
{
return error(GL_INVALID_OPERATION);
}
}
}
void GL_APIENTRY UniformMatrix2x4fv(GLint location, GLsizei count, GLboolean transpose, const GLfloat *value)
{
TRACE("(GLint location = %d, GLsizei count = %d, GLboolean transpose = %d, const GLfloat *value = %p)", location, count, transpose, value);
if(count < 0)
{
return error(GL_INVALID_VALUE);
}
auto context = es2::getContext();
if(context)
{
es2::Program *program = context->getCurrentProgram();
if(!program)
{
return error(GL_INVALID_OPERATION);
}
if(location == -1)
{
return;
}
if(!program->setUniformMatrix2x4fv(location, count, transpose, value))
{
return error(GL_INVALID_OPERATION);
}
}
}
void GL_APIENTRY UniformMatrix4x2fv(GLint location, GLsizei count, GLboolean transpose, const GLfloat *value)
{
TRACE("(GLint location = %d, GLsizei count = %d, GLboolean transpose = %d, const GLfloat *value = %p)", location, count, transpose, value);
if(count < 0)
{
return error(GL_INVALID_VALUE);
}
auto context = es2::getContext();
if(context)
{
es2::Program *program = context->getCurrentProgram();
if(!program)
{
return error(GL_INVALID_OPERATION);
}
if(location == -1)
{
return;
}
if(!program->setUniformMatrix4x2fv(location, count, transpose, value))
{
return error(GL_INVALID_OPERATION);
}
}
}
void GL_APIENTRY UniformMatrix3x4fv(GLint location, GLsizei count, GLboolean transpose, const GLfloat *value)
{
TRACE("(GLint location = %d, GLsizei count = %d, GLboolean transpose = %d, const GLfloat *value = %p)", location, count, transpose, value);
if(count < 0)
{
return error(GL_INVALID_VALUE);
}
auto context = es2::getContext();
if(context)
{
es2::Program *program = context->getCurrentProgram();
if(!program)
{
return error(GL_INVALID_OPERATION);
}
if(location == -1)
{
return;
}
if(!program->setUniformMatrix3x4fv(location, count, transpose, value))
{
return error(GL_INVALID_OPERATION);
}
}
}
void GL_APIENTRY UniformMatrix4x3fv(GLint location, GLsizei count, GLboolean transpose, const GLfloat *value)
{
TRACE("(GLint location = %d, GLsizei count = %d, GLboolean transpose = %d, const GLfloat *value = %p)", location, count, transpose, value);
if(count < 0)
{
return error(GL_INVALID_VALUE);
}
auto context = es2::getContext();
if(context)
{
es2::Program *program = context->getCurrentProgram();
if(!program)
{
return error(GL_INVALID_OPERATION);
}
if(location == -1)
{
return;
}
if(!program->setUniformMatrix4x3fv(location, count, transpose, value))
{
return error(GL_INVALID_OPERATION);
}
}
}
void GL_APIENTRY BlitFramebuffer(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, srcY1, dstX0, dstY0, dstX1, dstY1, mask, filter);
switch(filter)
{
case GL_NEAREST:
break;
case GL_LINEAR:
if((mask & GL_DEPTH_BUFFER_BIT) || (mask & GL_STENCIL_BUFFER_BIT))
{
return error(GL_INVALID_OPERATION);
}
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);
}
auto context = es2::getContext();
if(context)
{
if(context->getReadFramebufferName() == context->getDrawFramebufferName())
{
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, filter == GL_LINEAR, true);
}
}
void GL_APIENTRY FramebufferTextureLayer(GLenum target, GLenum attachment, GLuint texture, GLint level, GLint layer)
{
TRACE("(GLenum target = 0x%X, GLenum attachment = 0x%X, GLuint texture = %d, GLint level = %d, GLint layer = %d)",
target, attachment, texture, level, layer);
// GLES 3.0.4 spec, p.209, section 4.4.2
// If texture is zero, any image or array of images attached to the attachment point
// named by attachment is detached. Any additional parameters(level, textarget,
// and / or layer) are ignored when texture is zero.
if(texture != 0 && (layer < 0 || level < 0))
{
return error(GL_INVALID_VALUE);
}
auto context = es2::getContext();
if(context)
{
Texture* textureObject = context->getTexture(texture);
GLenum textarget = GL_NONE;
if(texture != 0)
{
if(!textureObject)
{
return error(GL_INVALID_OPERATION);
}
if(level >= es2::IMPLEMENTATION_MAX_TEXTURE_LEVELS)
{
return error(GL_INVALID_VALUE);
}
textarget = textureObject->getTarget();
switch(textarget)
{
case GL_TEXTURE_3D:
if(layer >= es2::IMPLEMENTATION_MAX_3D_TEXTURE_SIZE)
{
return error(GL_INVALID_VALUE);
}
break;
case GL_TEXTURE_2D_ARRAY:
if(layer >= es2::IMPLEMENTATION_MAX_ARRAY_TEXTURE_LAYERS)
{
return error(GL_INVALID_VALUE);
}
break;
default:
return error(GL_INVALID_OPERATION);
}
if(textureObject->isCompressed(textarget, level))
{
return error(GL_INVALID_OPERATION);
}
}
es2::Framebuffer *framebuffer = nullptr;
switch(target)
{
case GL_DRAW_FRAMEBUFFER:
case GL_FRAMEBUFFER:
if(context->getDrawFramebufferName() == 0)
{
return error(GL_INVALID_OPERATION);
}
framebuffer = context->getDrawFramebuffer();
break;
case GL_READ_FRAMEBUFFER:
if(context->getReadFramebufferName() == 0)
{
return error(GL_INVALID_OPERATION);
}
framebuffer = context->getReadFramebuffer();
break;
default:
return error(GL_INVALID_ENUM);
}
if(!framebuffer)
{
return error(GL_INVALID_OPERATION);
}
switch(attachment)
{
case GL_DEPTH_ATTACHMENT:
framebuffer->setDepthbuffer(textarget, texture, level, layer);
break;
case GL_STENCIL_ATTACHMENT:
framebuffer->setStencilbuffer(textarget, texture, level, layer);
break;
case GL_DEPTH_STENCIL_ATTACHMENT:
framebuffer->setDepthbuffer(textarget, texture, level, layer);
framebuffer->setStencilbuffer(textarget, texture, level, layer);
break;
default:
if(attachment < GL_COLOR_ATTACHMENT0 || attachment > GL_COLOR_ATTACHMENT31)
{
return error(GL_INVALID_ENUM);
}
if((attachment - GL_COLOR_ATTACHMENT0) >= MAX_COLOR_ATTACHMENTS)
{
return error(GL_INVALID_OPERATION);
}
framebuffer->setColorbuffer(textarget, texture, attachment - GL_COLOR_ATTACHMENT0, level, layer);
break;
}
}
}
void *GL_APIENTRY MapBufferRange(GLenum target, GLintptr offset, GLsizeiptr length, GLbitfield access)
{
TRACE("(GLenum target = 0x%X, GLintptr offset = %d, GLsizeiptr length = %d, GLbitfield access = %X)",
target, offset, length, access);
if((offset < 0) || (length < 0))
{
return error(GL_INVALID_VALUE, nullptr);
}
if(!(access & (GL_MAP_READ_BIT | GL_MAP_WRITE_BIT)))
{
// Must be able to read or write the buffer
return error(GL_INVALID_OPERATION, nullptr);
}
else if((access & GL_MAP_READ_BIT) && (access & (GL_MAP_INVALIDATE_RANGE_BIT | GL_MAP_INVALIDATE_BUFFER_BIT | GL_MAP_UNSYNCHRONIZED_BIT)))
{
// GL_MAP_INVALIDATE_RANGE_BIT, GL_MAP_INVALIDATE_BUFFER_BIT and GL_MAP_UNSYNCHRONIZED_BIT can't be used with GL_MAP_READ_BIT
return error(GL_INVALID_OPERATION, nullptr);
}
else if((!(access & GL_MAP_WRITE_BIT)) && (access & GL_MAP_FLUSH_EXPLICIT_BIT))
{
// GL_MAP_FLUSH_EXPLICIT_BIT can't be used without GL_MAP_WRITE_BIT
return error(GL_INVALID_OPERATION, nullptr);
}
auto context = es2::getContext();
if(context)
{
es2::Buffer *buffer = nullptr;
if(!context->getBuffer(target, &buffer))
{
return error(GL_INVALID_ENUM, nullptr);
}
if(!buffer)
{
// A null buffer means that "0" is bound to the requested buffer target
return error(GL_INVALID_OPERATION, nullptr);
}
if(buffer->isMapped())
{
// It is an invalid operation to map an already mapped buffer
return error(GL_INVALID_OPERATION, nullptr);
}
GLsizeiptr bufferSize = buffer->size();
if((offset + length) > bufferSize)
{
return error(GL_INVALID_VALUE, nullptr);
}
if((access & ~(GL_MAP_READ_BIT |
GL_MAP_WRITE_BIT |
GL_MAP_INVALIDATE_RANGE_BIT |
GL_MAP_INVALIDATE_BUFFER_BIT |
GL_MAP_FLUSH_EXPLICIT_BIT |
GL_MAP_UNSYNCHRONIZED_BIT)) != 0)
{
return error(GL_INVALID_VALUE, nullptr);
}
return buffer->mapRange(offset, length, access);
}
return nullptr;
}
void GL_APIENTRY FlushMappedBufferRange(GLenum target, GLintptr offset, GLsizeiptr length)
{
TRACE("(GLenum target = 0x%X, GLintptr offset = %d, GLsizeiptr length = %d)",
target, offset, length);
if((offset < 0) || (length < 0))
{
return error(GL_INVALID_VALUE);
}
auto context = es2::getContext();
if(context)
{
es2::Buffer *buffer = nullptr;
if(!context->getBuffer(target, &buffer))
{
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);
}
if(!buffer->isMapped())
{
// Buffer must be mapped
return error(GL_INVALID_OPERATION);
}
GLsizeiptr bufferSize = buffer->length();
if((offset + length) > bufferSize)
{
return error(GL_INVALID_VALUE);
}
if(!(buffer->access() & GL_MAP_FLUSH_EXPLICIT_BIT))
{
// Flush must be explicitly allowed
return error(GL_INVALID_OPERATION);
}
buffer->flushMappedRange(offset, length);
}
}
void GL_APIENTRY BindVertexArray(GLuint array)
{
TRACE("(GLuint array = %d)", array);
auto context = es2::getContext();
if(context)
{
if(!context->isVertexArray(array))
{
return error(GL_INVALID_OPERATION);
}
context->bindVertexArray(array);
}
}
void GL_APIENTRY BindVertexArrayOES(GLuint array)
{
BindVertexArray(array);
}
void GL_APIENTRY DeleteVertexArrays(GLsizei n, const GLuint *arrays)
{
TRACE("(GLsizei n = %d, const GLuint *arrays = %p)", n, arrays);
if(n < 0)
{
return error(GL_INVALID_VALUE);
}
auto context = es2::getContext();
if(context)
{
for(int i = 0; i < n; i++)
{
if(arrays[i] != 0) // Attempts to delete default vertex array silently ignored.
{
context->deleteVertexArray(arrays[i]);
}
}
}
}
void GL_APIENTRY DeleteVertexArraysOES(GLsizei n, const GLuint *arrays)
{
DeleteVertexArrays(n, arrays);
}
void GL_APIENTRY GenVertexArrays(GLsizei n, GLuint *arrays)
{
TRACE("(GLsizei n = %d, const GLuint *arrays = %p)", n, arrays);
if(n < 0)
{
return error(GL_INVALID_VALUE);
}
auto context = es2::getContext();
if(context)
{
for(int i = 0; i < n; i++)
{
arrays[i] = context->createVertexArray();
}
}
}
void GL_APIENTRY GenVertexArraysOES(GLsizei n, GLuint *arrays)
{
GenVertexArrays(n, arrays);
}
GLboolean GL_APIENTRY IsVertexArray(GLuint array)
{
TRACE("(GLuint array = %d)", array);
if(array == 0)
{
return GL_FALSE;
}
auto context = es2::getContext();
if(context)
{
es2::VertexArray *arrayObject = context->getVertexArray(array);
if(arrayObject)
{
return GL_TRUE;
}
}
return GL_FALSE;
}
GLboolean GL_APIENTRY IsVertexArrayOES(GLuint array)
{
return IsVertexArray(array);
}
void GL_APIENTRY GetIntegeri_v(GLenum target, GLuint index, GLint *data)
{
TRACE("(GLenum target = 0x%X, GLuint index = %d, GLint* data = %p)",
target, index, data);
auto context = es2::getContext();
if(context)
{
if(!context->getTransformFeedbackiv(index, target, data) &&
!context->getUniformBufferiv(index, target, data) &&
!context->getIntegerv(target, data))
{
GLenum nativeType;
unsigned int numParams = 0;
if(!context->getQueryParameterInfo(target, &nativeType, &numParams))
return error(GL_INVALID_ENUM);
if(numParams == 0)
return; // it is known that target is valid, but there are no parameters to return
if(nativeType == GL_BOOL)
{
GLboolean *boolParams = nullptr;
boolParams = new GLboolean[numParams];
context->getBooleanv(target, boolParams);
for(unsigned int i = 0; i < numParams; ++i)
{
data[i] = (boolParams[i] == GL_FALSE) ? 0 : 1;
}
delete[] boolParams;
}
else if(nativeType == GL_FLOAT)
{
GLfloat *floatParams = nullptr;
floatParams = new GLfloat[numParams];
context->getFloatv(target, floatParams);
for(unsigned int i = 0; i < numParams; ++i)
{
if(target == GL_DEPTH_RANGE || target == GL_COLOR_CLEAR_VALUE || target == GL_DEPTH_CLEAR_VALUE || target == GL_BLEND_COLOR)
{
data[i] = convert_float_fixed(floatParams[i]);
}
else
{
data[i] = (GLint)(floatParams[i] > 0.0f ? floor(floatParams[i] + 0.5) : ceil(floatParams[i] - 0.5));
}
}
delete[] floatParams;
}
}
}
}
void GL_APIENTRY BeginTransformFeedback(GLenum primitiveMode)
{
TRACE("(GLenum primitiveMode = 0x%X)", primitiveMode);
switch(primitiveMode)
{
case GL_POINTS:
case GL_LINES:
case GL_TRIANGLES:
break;
default:
return error(GL_INVALID_ENUM);
}
auto context = es2::getContext();
if(context)
{
es2::TransformFeedback *transformFeedbackObject = context->getTransformFeedback();
if(transformFeedbackObject)
{
if(transformFeedbackObject->isActive())
{
return error(GL_INVALID_OPERATION);
}
transformFeedbackObject->begin(primitiveMode);
}
else
{
return error(GL_INVALID_OPERATION);
}
}
}
void GL_APIENTRY EndTransformFeedback(void)
{
TRACE("()");
auto context = es2::getContext();
if(context)
{
es2::TransformFeedback *transformFeedbackObject = context->getTransformFeedback();
if(transformFeedbackObject)
{
if(!transformFeedbackObject->isActive())
{
return error(GL_INVALID_OPERATION);
}
transformFeedbackObject->end();
}
else
{
return error(GL_INVALID_OPERATION);
}
}
}
void GL_APIENTRY BindBufferRange(GLenum target, GLuint index, GLuint buffer, GLintptr offset, GLsizeiptr size)
{
TRACE("(GLenum target = 0x%X, GLuint index = %d, GLuint buffer = %d, GLintptr offset = %d, GLsizeiptr size = %d)",
target, index, buffer, offset, size);
if(buffer != 0 && size <= 0)
{
return error(GL_INVALID_VALUE);
}
auto context = es2::getContext();
if(context)
{
switch(target)
{
case GL_TRANSFORM_FEEDBACK_BUFFER:
if(index >= MAX_TRANSFORM_FEEDBACK_SEPARATE_ATTRIBS)
{
return error(GL_INVALID_VALUE);
}
if(size & 0x3 || offset & 0x3) // size and offset must be multiples of 4
{
return error(GL_INVALID_VALUE);
}
context->bindIndexedTransformFeedbackBuffer(buffer, index, offset, size);
context->bindGenericTransformFeedbackBuffer(buffer);
break;
case GL_UNIFORM_BUFFER:
if(index >= MAX_UNIFORM_BUFFER_BINDINGS)
{
return error(GL_INVALID_VALUE);
}
if(offset % UNIFORM_BUFFER_OFFSET_ALIGNMENT != 0)
{
return error(GL_INVALID_VALUE);
}
context->bindIndexedUniformBuffer(buffer, index, offset, size);
context->bindGenericUniformBuffer(buffer);
break;
default:
return error(GL_INVALID_ENUM);
}
}
}
void GL_APIENTRY BindBufferBase(GLenum target, GLuint index, GLuint buffer)
{
TRACE("(GLenum target = 0x%X, GLuint index = %d, GLuint buffer = %d)",
target, index, buffer);
auto context = es2::getContext();
if(context)
{
switch(target)
{
case GL_TRANSFORM_FEEDBACK_BUFFER:
if(index >= MAX_TRANSFORM_FEEDBACK_SEPARATE_ATTRIBS)
{
return error(GL_INVALID_VALUE);
}
context->bindIndexedTransformFeedbackBuffer(buffer, index, 0, 0);
context->bindGenericTransformFeedbackBuffer(buffer);
break;
case GL_UNIFORM_BUFFER:
if(index >= MAX_UNIFORM_BUFFER_BINDINGS)
{
return error(GL_INVALID_VALUE);
}
context->bindIndexedUniformBuffer(buffer, index, 0, 0);
context->bindGenericUniformBuffer(buffer);
break;
default:
return error(GL_INVALID_ENUM);
}
}
}
void GL_APIENTRY TransformFeedbackVaryings(GLuint program, GLsizei count, const GLchar *const*varyings, GLenum bufferMode)
{
TRACE("(GLuint program = %d, GLsizei count = %d, const GLchar *const*varyings = %p, GLenum bufferMode = 0x%X)",
program, count, varyings, bufferMode);
switch(bufferMode)
{
case GL_SEPARATE_ATTRIBS:
if(count > MAX_TRANSFORM_FEEDBACK_SEPARATE_ATTRIBS)
{
return error(GL_INVALID_VALUE);
}
case GL_INTERLEAVED_ATTRIBS:
break;
default:
return error(GL_INVALID_ENUM);
}
auto context = es2::getContext();
if(context)
{
es2::Program *programObject = context->getProgram(program);
if(!programObject)
{
return error(GL_INVALID_VALUE);
}
programObject->setTransformFeedbackVaryings(count, varyings, bufferMode);
}
}
void GL_APIENTRY GetTransformFeedbackVarying(GLuint program, GLuint index, GLsizei bufSize, GLsizei *length, GLsizei *size, GLenum *type, GLchar *name)
{
TRACE("(GLuint program = %d, GLuint index = %d, GLsizei bufSize = %d, GLsizei *length = %p, GLsizei *size = %p, GLenum *type = %p, GLchar *name = %p)",
program, index, bufSize, length, size, type, name);
if(bufSize < 0)
{
return error(GL_INVALID_VALUE);
}
auto context = es2::getContext();
if(context)
{
es2::Program *programObject = context->getProgram(program);
if(!programObject)
{
return error(GL_INVALID_VALUE);
}
if(index >= static_cast<GLuint>(programObject->getTransformFeedbackVaryingCount()))
{
return error(GL_INVALID_VALUE);
}
programObject->getTransformFeedbackVarying(index, bufSize, length, size, type, name);
}
}
void GL_APIENTRY VertexAttribIPointer(GLuint index, GLint size, GLenum type, GLsizei stride, const void *pointer)
{
TRACE("(GLuint program = %d, GLuint index = %d, GLsizei bufSize = %d, GLsizei *length = %p, GLsizei *size = %p, GLenum *type = %p, GLchar *name = %p)",
index, size, type, stride, pointer);
if(index >= es2::MAX_VERTEX_ATTRIBS)
{
return error(GL_INVALID_VALUE);
}
if(size < 1 || size > 4 || stride < 0)
{
return error(GL_INVALID_VALUE);
}
switch(type)
{
case GL_BYTE:
case GL_UNSIGNED_BYTE:
case GL_SHORT:
case GL_UNSIGNED_SHORT:
case GL_INT:
case GL_UNSIGNED_INT:
break;
default:
return error(GL_INVALID_ENUM);
}
auto context = es2::getContext();
if(context)
{
es2::VertexArray* vertexArray = context->getCurrentVertexArray();
if((context->getArrayBufferName() == 0) && vertexArray && (vertexArray->name != 0) && pointer)
{
// GL_INVALID_OPERATION is generated if a non-zero vertex array object is bound, zero is bound
// to the GL_ARRAY_BUFFER buffer object binding point and the pointer argument is not NULL.
return error(GL_INVALID_OPERATION);
}
context->setVertexAttribState(index, context->getArrayBuffer(), size, type, false, true, stride, pointer);
}
}
void GL_APIENTRY GetVertexAttribIiv(GLuint index, GLenum pname, GLint *params)
{
TRACE("(GLuint index = %d, GLenum pname = 0x%X, GLint *params = %p)",
index, pname, params);
auto context = es2::getContext();
if(context)
{
if(index >= es2::MAX_VERTEX_ATTRIBS)
{
return error(GL_INVALID_VALUE);
}
const es2::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.name();
break;
case GL_CURRENT_VERTEX_ATTRIB:
{
const VertexAttribute& attrib = context->getCurrentVertexAttributes()[index];
for(int i = 0; i < 4; ++i)
{
params[i] = attrib.getCurrentValueI(i);
}
}
break;
case GL_VERTEX_ATTRIB_ARRAY_INTEGER:
*params = (attribState.mPureInteger ? GL_TRUE : GL_FALSE);
break;
case GL_VERTEX_ATTRIB_ARRAY_DIVISOR:
*params = attribState.mDivisor;
break;
default: return error(GL_INVALID_ENUM);
}
}
}
void GL_APIENTRY GetVertexAttribIuiv(GLuint index, GLenum pname, GLuint *params)
{
TRACE("(GLuint index = %d, GLenum pname = 0x%X, GLuint *params = %p)",
index, pname, params);
auto context = es2::getContext();
if(context)
{
if(index >= es2::MAX_VERTEX_ATTRIBS)
{
return error(GL_INVALID_VALUE);
}
const es2::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.name();
break;
case GL_CURRENT_VERTEX_ATTRIB:
{
const VertexAttribute& attrib = context->getCurrentVertexAttributes()[index];
for(int i = 0; i < 4; ++i)
{
params[i] = attrib.getCurrentValueUI(i);
}
}
break;
case GL_VERTEX_ATTRIB_ARRAY_INTEGER:
*params = (attribState.mPureInteger ? GL_TRUE : GL_FALSE);
break;
case GL_VERTEX_ATTRIB_ARRAY_DIVISOR:
*params = attribState.mDivisor;
break;
default: return error(GL_INVALID_ENUM);
}
}
}
void GL_APIENTRY VertexAttribI4i(GLuint index, GLint x, GLint y, GLint z, GLint w)
{
TRACE("(GLuint index = %d, GLint x = %d, GLint y = %d, GLint z = %d, GLint w = %d)",
index, x, y, z, w);
if(index >= es2::MAX_VERTEX_ATTRIBS)
{
return error(GL_INVALID_VALUE);
}
auto context = es2::getContext();
if(context)
{
GLint vals[4] = { x, y, z, w };
context->setVertexAttrib(index, vals);
}
}
void GL_APIENTRY VertexAttribI4ui(GLuint index, GLuint x, GLuint y, GLuint z, GLuint w)
{
TRACE("(GLuint index = %d, GLint x = %d, GLint y = %d, GLint z = %d, GLint w = %d)",
index, x, y, z, w);
if(index >= es2::MAX_VERTEX_ATTRIBS)
{
return error(GL_INVALID_VALUE);
}
auto context = es2::getContext();
if(context)
{
GLuint vals[4] = { x, y, z, w };
context->setVertexAttrib(index, vals);
}
}
void GL_APIENTRY VertexAttribI4iv(GLuint index, const GLint *v)
{
TRACE("(GLuint index = %d, GLint *v = %p)", index, v);
if(index >= es2::MAX_VERTEX_ATTRIBS)
{
return error(GL_INVALID_VALUE);
}
auto context = es2::getContext();
if(context)
{
context->setVertexAttrib(index, v);
}
}
void GL_APIENTRY VertexAttribI4uiv(GLuint index, const GLuint *v)
{
TRACE("(GLuint index = %d, GLint *v = %p)", index, v);
if(index >= es2::MAX_VERTEX_ATTRIBS)
{
return error(GL_INVALID_VALUE);
}
auto context = es2::getContext();
if(context)
{
context->setVertexAttrib(index, v);
}
}
void GL_APIENTRY GetUniformuiv(GLuint program, GLint location, GLuint *params)
{
TRACE("(GLuint program = %d, GLint location = %d, GLuint *params = %p)",
program, location, params);
auto context = es2::getContext();
if(context)
{
es2::Program *programObject = context->getProgram(program);
if(!programObject)
{
if(context->getShader(program))
{
return error(GL_INVALID_OPERATION);
}
else
{
return error(GL_INVALID_VALUE);
}
}
if(!programObject->isLinked())
{
return error(GL_INVALID_OPERATION);
}
if(!programObject->getUniformuiv(location, nullptr, params))
{
return error(GL_INVALID_OPERATION);
}
}
}
GLint GL_APIENTRY GetFragDataLocation(GLuint program, const GLchar *name)
{
TRACE("(GLuint program = %d, const GLchar *name = %p)", program, name);
auto context = es2::getContext();
if(context)
{
es2::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->getFragDataLocation(name);
}
return -1;
}
void GL_APIENTRY Uniform1uiv(GLint location, GLsizei count, const GLuint *value)
{
TRACE("(GLint location = %d, GLsizei count = %d, const GLuint *value = %p)",
location, count, value);
if(count < 0)
{
return error(GL_INVALID_VALUE);
}
auto context = es2::getContext();
if(context)
{
es2::Program *program = context->getCurrentProgram();
if(!program)
{
return error(GL_INVALID_OPERATION);
}
if(location == -1)
{
return;
}
if(!program->setUniform1uiv(location, count, value))
{
return error(GL_INVALID_OPERATION);
}
}
}
void GL_APIENTRY Uniform2uiv(GLint location, GLsizei count, const GLuint *value)
{
TRACE("(GLint location = %d, GLsizei count = %d, const GLuint *value = %p)",
location, count, value);
if(count < 0)
{
return error(GL_INVALID_VALUE);
}
auto context = es2::getContext();
if(context)
{
es2::Program *program = context->getCurrentProgram();
if(!program)
{
return error(GL_INVALID_OPERATION);
}
if(location == -1)
{
return;
}
if(!program->setUniform2uiv(location, count, value))
{
return error(GL_INVALID_OPERATION);
}
}
}
void GL_APIENTRY Uniform3uiv(GLint location, GLsizei count, const GLuint *value)
{
TRACE("(GLint location = %d, GLsizei count = %d, const GLuint *value = %p)",
location, count, value);
if(count < 0)
{
return error(GL_INVALID_VALUE);
}
auto context = es2::getContext();
if(context)
{
es2::Program *program = context->getCurrentProgram();
if(!program)
{
return error(GL_INVALID_OPERATION);
}
if(location == -1)
{
return;
}
if(!program->setUniform3uiv(location, count, value))
{
return error(GL_INVALID_OPERATION);
}
}
}
void GL_APIENTRY Uniform4uiv(GLint location, GLsizei count, const GLuint *value)
{
TRACE("(GLint location = %d, GLsizei count = %d, const GLuint *value = %p)",
location, count, value);
if(count < 0)
{
return error(GL_INVALID_VALUE);
}
auto context = es2::getContext();
if(context)
{
es2::Program *program = context->getCurrentProgram();
if(!program)
{
return error(GL_INVALID_OPERATION);
}
if(location == -1)
{
return;
}
if(!program->setUniform4uiv(location, count, value))
{
return error(GL_INVALID_OPERATION);
}
}
}
void GL_APIENTRY Uniform1ui(GLint location, GLuint v0)
{
Uniform1uiv(location, 1, &v0);
}
void GL_APIENTRY Uniform2ui(GLint location, GLuint v0, GLuint v1)
{
GLuint xy[2] = { v0, v1 };
Uniform2uiv(location, 1, (GLuint*)&xy);
}
void GL_APIENTRY Uniform3ui(GLint location, GLuint v0, GLuint v1, GLuint v2)
{
GLuint xyz[3] = { v0, v1, v2 };
Uniform3uiv(location, 1, (GLuint*)&xyz);
}
void GL_APIENTRY Uniform4ui(GLint location, GLuint v0, GLuint v1, GLuint v2, GLuint v3)
{
GLuint xyzw[4] = { v0, v1, v2, v3 };
Uniform4uiv(location, 1, (GLuint*)&xyzw);
}
void GL_APIENTRY ClearBufferiv(GLenum buffer, GLint drawbuffer, const GLint *value)
{
TRACE("(GLenum buffer = 0x%X, GLint drawbuffer = %d, const GLint *value = %p)",
buffer, drawbuffer, value);
auto context = es2::getContext();
if(context)
{
switch(buffer)
{
case GL_COLOR:
if(drawbuffer < 0 || drawbuffer >= MAX_DRAW_BUFFERS)
{
return error(GL_INVALID_VALUE);
}
else
{
context->clearColorBuffer(drawbuffer, value);
}
break;
case GL_STENCIL:
if(drawbuffer != 0)
{
return error(GL_INVALID_VALUE);
}
else
{
context->clearStencilBuffer(value[0]);
}
break;
default:
return error(GL_INVALID_ENUM);
}
}
}
void GL_APIENTRY ClearBufferuiv(GLenum buffer, GLint drawbuffer, const GLuint *value)
{
TRACE("(GLenum buffer = 0x%X, GLint drawbuffer = %d, const GLuint *value = %p)",
buffer, drawbuffer, value);
auto context = es2::getContext();
if(context)
{
switch(buffer)
{
case GL_COLOR:
if(drawbuffer < 0 || drawbuffer >= MAX_DRAW_BUFFERS)
{
return error(GL_INVALID_VALUE);
}
else
{
context->clearColorBuffer(drawbuffer, value);
}
break;
default:
return error(GL_INVALID_ENUM);
}
}
}
void GL_APIENTRY ClearBufferfv(GLenum buffer, GLint drawbuffer, const GLfloat *value)
{
TRACE("(GLenum buffer = 0x%X, GLint drawbuffer = %d, const GLfloat *value = %p)",
buffer, drawbuffer, value);
auto context = es2::getContext();
if(context)
{
switch(buffer)
{
case GL_COLOR:
if(drawbuffer < 0 || drawbuffer >= MAX_DRAW_BUFFERS)
{
return error(GL_INVALID_VALUE);
}
else
{
context->clearColorBuffer(drawbuffer, value);
}
break;
case GL_DEPTH:
if(drawbuffer != 0)
{
return error(GL_INVALID_VALUE);
}
else
{
context->clearDepthBuffer(value[0]);
}
break;
default:
return error(GL_INVALID_ENUM);
}
}
}
void GL_APIENTRY ClearBufferfi(GLenum buffer, GLint drawbuffer, GLfloat depth, GLint stencil)
{
TRACE("(GLenum buffer = 0x%X, GLint drawbuffer = %d, GLfloat depth = %f, GLint stencil = %d)",
buffer, drawbuffer, depth, stencil);
auto context = es2::getContext();
if(context)
{
switch(buffer)
{
case GL_DEPTH_STENCIL:
if(drawbuffer != 0)
{
return error(GL_INVALID_VALUE);
}
else
{
context->clearDepthBuffer(depth);
context->clearStencilBuffer(stencil);
}
break;
default:
return error(GL_INVALID_ENUM);
}
}
}
const GLubyte *GL_APIENTRY GetStringi(GLenum name, GLuint index)
{
TRACE("(GLenum name = 0x%X, GLuint index = %d)", name, index);
auto context = es2::getContext();
if(context)
{
GLuint numExtensions;
context->getExtensions(0, &numExtensions);
if(index >= numExtensions)
{
return error(GL_INVALID_VALUE, (GLubyte*)nullptr);
}
switch(name)
{
case GL_EXTENSIONS:
return context->getExtensions(index);
default:
return error(GL_INVALID_ENUM, (GLubyte*)nullptr);
}
}
return (GLubyte*)nullptr;
}
void GL_APIENTRY CopyBufferSubData(GLenum readTarget, GLenum writeTarget, GLintptr readOffset, GLintptr writeOffset, GLsizeiptr size)
{
TRACE("(GLenum readTarget = 0x%X, GLenum writeTarget = 0x%X, GLintptr readOffset = %d, GLintptr writeOffset = %d, GLsizeiptr size = %d)",
readTarget, writeTarget, readOffset, writeOffset, size);
if(readOffset < 0 || writeOffset < 0 || size < 0)
{
return error(GL_INVALID_VALUE);
}
auto context = es2::getContext();
if(context)
{
es2::Buffer *readBuffer = nullptr, *writeBuffer = nullptr;
if(!context->getBuffer(readTarget, &readBuffer) || !context->getBuffer(writeTarget, &writeBuffer))
{
return error(GL_INVALID_ENUM);
}
if(!readBuffer || readBuffer->isMapped() || !writeBuffer || writeBuffer->isMapped())
{
return error(GL_INVALID_OPERATION);
}
if(readBuffer == writeBuffer)
{
// If same buffer, check for overlap
if(((readOffset >= writeOffset) && (readOffset < (writeOffset + size))) ||
((writeOffset >= readOffset) && (writeOffset < (readOffset + size))))
{
return error(GL_INVALID_VALUE);
}
}
if((static_cast<size_t>(readOffset + size) > readBuffer->size()) ||
(static_cast<size_t>(writeOffset + size) > writeBuffer->size()))
{
return error(GL_INVALID_VALUE);
}
writeBuffer->bufferSubData(((char*)readBuffer->data()) + readOffset, size, writeOffset);
}
}
void GL_APIENTRY GetUniformIndices(GLuint program, GLsizei uniformCount, const GLchar *const*uniformNames, GLuint *uniformIndices)
{
TRACE("(GLuint program = %d, GLsizei uniformCount = %d, const GLchar *const*uniformNames = %p, GLuint *uniformIndices = %p)",
program, uniformCount, uniformNames, uniformIndices);
if(uniformCount < 0)
{
return error(GL_INVALID_VALUE);
}
auto context = es2::getContext();
if(context)
{
es2::Program *programObject = context->getProgram(program);
if(!programObject)
{
if(context->getShader(program))
{
return error(GL_INVALID_OPERATION);
}
else
{
return error(GL_INVALID_VALUE);
}
}
if(!programObject->isLinked())
{
for(int uniformId = 0; uniformId < uniformCount; uniformId++)
{
uniformIndices[uniformId] = GL_INVALID_INDEX;
}
}
else
{
for(int uniformId = 0; uniformId < uniformCount; uniformId++)
{
uniformIndices[uniformId] = programObject->getUniformIndex(uniformNames[uniformId]);
}
}
}
}
void GL_APIENTRY GetActiveUniformsiv(GLuint program, GLsizei uniformCount, const GLuint *uniformIndices, GLenum pname, GLint *params)
{
TRACE("(GLuint program = %d, GLsizei uniformCount = %d, const GLchar *const*uniformNames = %p, GLenum pname = 0x%X, GLuint *uniformIndices = %p)",
program, uniformCount, uniformIndices, pname, uniformIndices);
switch(pname)
{
case GL_UNIFORM_TYPE:
case GL_UNIFORM_SIZE:
case GL_UNIFORM_NAME_LENGTH:
case GL_UNIFORM_BLOCK_INDEX:
case GL_UNIFORM_OFFSET:
case GL_UNIFORM_ARRAY_STRIDE:
case GL_UNIFORM_MATRIX_STRIDE:
case GL_UNIFORM_IS_ROW_MAJOR:
break;
default:
return error(GL_INVALID_ENUM);
}
if(uniformCount < 0)
{
return error(GL_INVALID_VALUE);
}
auto context = es2::getContext();
if(context)
{
es2::Program *programObject = context->getProgram(program);
if(!programObject)
{
if(context->getShader(program))
{
return error(GL_INVALID_OPERATION);
}
else
{
return error(GL_INVALID_VALUE);
}
}
for(int uniformId = 0; uniformId < uniformCount; uniformId++)
{
const GLuint index = uniformIndices[uniformId];
if(index >= programObject->getActiveUniformCount())
{
return error(GL_INVALID_VALUE);
}
}
for(int uniformId = 0; uniformId < uniformCount; uniformId++)
{
const GLuint index = uniformIndices[uniformId];
params[uniformId] = programObject->getActiveUniformi(index, pname);
}
}
}
GLuint GL_APIENTRY GetUniformBlockIndex(GLuint program, const GLchar *uniformBlockName)
{
TRACE("(GLuint program = %d, const GLchar *uniformBlockName = %p)",
program, uniformBlockName);
auto context = es2::getContext();
if(context)
{
es2::Program *programObject = context->getProgram(program);
if(!programObject)
{
if(context->getShader(program))
{
return error(GL_INVALID_OPERATION, GL_INVALID_INDEX);
}
else
{
return error(GL_INVALID_VALUE, GL_INVALID_INDEX);
}
}
return programObject->getUniformBlockIndex(uniformBlockName);
}
return GL_INVALID_INDEX;
}
void GL_APIENTRY GetActiveUniformBlockiv(GLuint program, GLuint uniformBlockIndex, GLenum pname, GLint *params)
{
TRACE("(GLuint program = %d, GLuint uniformBlockIndex = %d, GLenum pname = 0x%X, GLint *params = %p)",
program, uniformBlockIndex, pname, params);
auto context = es2::getContext();
if(context)
{
es2::Program *programObject = context->getProgram(program);
if(!programObject)
{
return error(GL_INVALID_OPERATION);
}
if(uniformBlockIndex >= programObject->getActiveUniformBlockCount())
{
return error(GL_INVALID_VALUE);
}
switch(pname)
{
case GL_UNIFORM_BLOCK_BINDING:
*params = static_cast<GLint>(programObject->getUniformBlockBinding(uniformBlockIndex));
break;
case GL_UNIFORM_BLOCK_DATA_SIZE:
case GL_UNIFORM_BLOCK_NAME_LENGTH:
case GL_UNIFORM_BLOCK_ACTIVE_UNIFORMS:
case GL_UNIFORM_BLOCK_ACTIVE_UNIFORM_INDICES:
case GL_UNIFORM_BLOCK_REFERENCED_BY_VERTEX_SHADER:
case GL_UNIFORM_BLOCK_REFERENCED_BY_FRAGMENT_SHADER:
programObject->getActiveUniformBlockiv(uniformBlockIndex, pname, params);
break;
default:
return error(GL_INVALID_ENUM);
}
}
}
void GL_APIENTRY GetActiveUniformBlockName(GLuint program, GLuint uniformBlockIndex, GLsizei bufSize, GLsizei *length, GLchar *uniformBlockName)
{
TRACE("(GLuint program = %d, GLuint uniformBlockIndex = %d, GLsizei bufSize = %d, GLsizei *length = %p, GLchar *uniformBlockName = %p)",
program, uniformBlockIndex, bufSize, length, uniformBlockName);
if(bufSize < 0)
{
return error(GL_INVALID_VALUE);
}
auto context = es2::getContext();
if(context)
{
es2::Program *programObject = context->getProgram(program);
if(!programObject)
{
return error(GL_INVALID_OPERATION);
}
if(uniformBlockIndex >= programObject->getActiveUniformBlockCount())
{
return error(GL_INVALID_VALUE);
}
programObject->getActiveUniformBlockName(uniformBlockIndex, bufSize, length, uniformBlockName);
}
}
void GL_APIENTRY UniformBlockBinding(GLuint program, GLuint uniformBlockIndex, GLuint uniformBlockBinding)
{
TRACE("(GLuint program = %d, GLuint uniformBlockIndex = %d, GLuint uniformBlockBinding = %d)",
program, uniformBlockIndex, uniformBlockBinding);
if(uniformBlockBinding >= MAX_UNIFORM_BUFFER_BINDINGS)
{
return error(GL_INVALID_VALUE);
}
auto context = es2::getContext();
if(context)
{
es2::Program *programObject = context->getProgram(program);
if(!programObject)
{
return error(GL_INVALID_VALUE);
}
if(uniformBlockIndex >= programObject->getActiveUniformBlockCount())
{
return error(GL_INVALID_VALUE);
}
programObject->bindUniformBlock(uniformBlockIndex, uniformBlockBinding);
}
}
void GL_APIENTRY DrawArraysInstanced(GLenum mode, GLint first, GLsizei count, GLsizei instanceCount)
{
TRACE("(GLenum mode = 0x%X, GLint first = %d, GLsizei count = %d, GLsizei instanceCount = %d)",
mode, first, count, instanceCount);
switch(mode)
{
case GL_POINTS:
case GL_LINES:
case GL_LINE_LOOP:
case GL_LINE_STRIP:
case GL_TRIANGLES:
case GL_TRIANGLE_FAN:
case GL_TRIANGLE_STRIP:
break;
default:
return error(GL_INVALID_ENUM);
}
if(count < 0 || instanceCount < 0)
{
return error(GL_INVALID_VALUE);
}
auto context = es2::getContext();
if(context)
{
es2::TransformFeedback* transformFeedback = context->getTransformFeedback();
if(transformFeedback && transformFeedback->isActive() && (mode != transformFeedback->primitiveMode()))
{
return error(GL_INVALID_OPERATION);
}
context->drawArrays(mode, first, count, instanceCount);
}
}
void GL_APIENTRY DrawElementsInstanced(GLenum mode, GLsizei count, GLenum type, const void *indices, GLsizei instanceCount)
{
TRACE("(GLenum mode = 0x%X, GLsizei count = %d, GLenum type = 0x%X, const void *indices = %p, GLsizei instanceCount = %d)",
mode, count, type, indices, instanceCount);
switch(mode)
{
case GL_POINTS:
case GL_LINES:
case GL_LINE_LOOP:
case GL_LINE_STRIP:
case GL_TRIANGLES:
case GL_TRIANGLE_FAN:
case GL_TRIANGLE_STRIP:
break;
default:
return error(GL_INVALID_ENUM);
}
switch(type)
{
case GL_UNSIGNED_BYTE:
case GL_UNSIGNED_SHORT:
case GL_UNSIGNED_INT:
break;
default:
return error(GL_INVALID_ENUM);
}
if(count < 0 || instanceCount < 0)
{
return error(GL_INVALID_VALUE);
}
auto context = es2::getContext();
if(context)
{
es2::TransformFeedback* transformFeedback = context->getTransformFeedback();
if(transformFeedback && transformFeedback->isActive() && !transformFeedback->isPaused())
{
return error(GL_INVALID_OPERATION);
}
context->drawElements(mode, 0, MAX_ELEMENT_INDEX, count, type, indices, instanceCount);
}
}
GLsync GL_APIENTRY FenceSync(GLenum condition, GLbitfield flags)
{
TRACE("(GLenum condition = 0x%X, GLbitfield flags = %X)", condition, flags);
switch(condition)
{
case GL_SYNC_GPU_COMMANDS_COMPLETE:
break;
default:
return error(GL_INVALID_ENUM, nullptr);
}
if(flags != 0)
{
return error(GL_INVALID_VALUE, nullptr);
}
auto context = es2::getContext();
if(context)
{
return context->createFenceSync(condition, flags);
}
return nullptr;
}
GLboolean GL_APIENTRY IsSync(GLsync sync)
{
TRACE("(GLsync sync = %p)", sync);
auto context = es2::getContext();
if(context)
{
es2::FenceSync *fenceSyncObject = context->getFenceSync(sync);
if(fenceSyncObject)
{
return GL_TRUE;
}
}
return GL_FALSE;
}
void GL_APIENTRY DeleteSync(GLsync sync)
{
TRACE("(GLsync sync = %p)", sync);
if(!sync)
{
return;
}
auto context = es2::getContext();
if(context)
{
if(!context->getFenceSync(sync))
{
return error(GL_INVALID_VALUE);
}
context->deleteFenceSync(sync);
}
}
GLenum GL_APIENTRY ClientWaitSync(GLsync sync, GLbitfield flags, GLuint64 timeout)
{
TRACE("(GLsync sync = %p, GLbitfield flags = %X, GLuint64 timeout = %llu)", sync, flags, timeout);
if((flags & ~(GL_SYNC_FLUSH_COMMANDS_BIT)) != 0)
{
return error(GL_INVALID_VALUE, GL_FALSE);
}
auto context = es2::getContext();
if(context)
{
es2::FenceSync *fenceSyncObject = context->getFenceSync(sync);