diff --git a/src/OpenGL/libGLESv2/libGLESv2.cpp b/src/OpenGL/libGLESv2/libGLESv2.cpp
index cd721f3..4732c52 100644
--- a/src/OpenGL/libGLESv2/libGLESv2.cpp
+++ b/src/OpenGL/libGLESv2/libGLESv2.cpp
@@ -1,6942 +1,6945 @@
-// 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 "TransformFeedback.h"
-#include "common/debug.h"
-#include "Common/Version.h"
-
-#include <GLES2/gl2.h>
-#include <GLES2/gl2ext.h>
-#include <GLES3/gl3.h>
-
-#include <limits>
-
-#ifdef ANDROID
-#include <cutils/log.h>
-#endif
-
-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 validateColorBufferFormat(GLenum textureFormat, GLenum colorbufferFormat)
-{
-	GLenum validationError = ValidateCompressedFormat(textureFormat, egl::getClientVersion(), false);
-	if(validationError != GL_NONE)
-	{
-		return error(validationError, false);
-	}
-
-	// [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 &&
-		   colorbufferFormat != GL_BGRA8_EXT &&
-		   colorbufferFormat != GL_RGBA16F_EXT &&
-		   colorbufferFormat != GL_RGBA32F_EXT)
-		{
-			return error(GL_INVALID_OPERATION, false);
-		}
-		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 &&
-		   colorbufferFormat != GL_RGB16F_EXT &&
-		   colorbufferFormat != GL_RGB32F_EXT &&
-		   colorbufferFormat != GL_BGRA8_EXT &&
-		   colorbufferFormat != GL_RGBA16F_EXT &&
-		   colorbufferFormat != GL_RGBA32F_EXT)
-		{
-			return error(GL_INVALID_OPERATION, false);
-		}
-		break;
-	case GL_LUMINANCE_ALPHA:
-	case GL_RGBA:
-		if(colorbufferFormat != GL_RGBA &&
-		   colorbufferFormat != GL_RGBA4 &&
-		   colorbufferFormat != GL_RGB5_A1 &&
-		   colorbufferFormat != GL_RGBA8_OES &&
-		   colorbufferFormat != GL_BGRA8_EXT &&
-		   colorbufferFormat != GL_RGBA16F_EXT &&
-		   colorbufferFormat != GL_RGBA32F_EXT)
-		{
-			return error(GL_INVALID_OPERATION, false);
-		}
-		break;
-	case GL_DEPTH_COMPONENT:
-	case GL_DEPTH_STENCIL_OES:
-		return error(GL_INVALID_OPERATION, false);
-	default:
-		return error(GL_INVALID_ENUM, false);
-	}
-	return true;
-}
-
-void ActiveTexture(GLenum texture)
-{
-	TRACE("(GLenum texture = 0x%X)", texture);
-
-	es2::Context *context = es2::getContext();
-
-	if(context)
-	{
-		if(texture < GL_TEXTURE0 || texture > GL_TEXTURE0 + es2::MAX_COMBINED_TEXTURE_IMAGE_UNITS - 1)
-		{
-			return error(GL_INVALID_ENUM);
-		}
-
-		context->setActiveSampler(texture - GL_TEXTURE0);
-	}
-}
-
-void AttachShader(GLuint program, GLuint shader)
-{
-	TRACE("(GLuint program = %d, GLuint shader = %d)", program, shader);
-
-	es2::Context *context = es2::getContext();
-
-	if(context)
-	{
-		es2::Program *programObject = context->getProgram(program);
-		es2::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);
-		}
-	}
-}
-
-void BeginQueryEXT(GLenum target, GLuint name)
-{
-	TRACE("(GLenum target = 0x%X, GLuint name = %d)", target, name);
-
-	switch(target)
-	{
-	case GL_ANY_SAMPLES_PASSED_EXT:
-	case GL_ANY_SAMPLES_PASSED_CONSERVATIVE_EXT:
-		break;
-	default:
-		return error(GL_INVALID_ENUM);
-	}
-
-	if(name == 0)
-	{
-		return error(GL_INVALID_OPERATION);
-	}
-
-	es2::Context *context = es2::getContext();
-
-	if(context)
-	{
-		context->beginQuery(target, name);
-	}
-}
-
-void BindAttribLocation(GLuint program, GLuint index, const GLchar* name)
-{
-	TRACE("(GLuint program = %d, GLuint index = %d, const GLchar* name = %s)", program, index, name);
-
-	if(index >= es2::MAX_VERTEX_ATTRIBS)
-	{
-		return error(GL_INVALID_VALUE);
-	}
-
-	es2::Context *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(strncmp(name, "gl_", 3) == 0)
-		{
-			return error(GL_INVALID_OPERATION);
-		}
-
-		programObject->bindAttributeLocation(index, name);
-	}
-}
-
-void BindBuffer(GLenum target, GLuint buffer)
-{
-	TRACE("(GLenum target = 0x%X, GLuint buffer = %d)", target, buffer);
-
-	es2::Context *context = es2::getContext();
-
-	if(context)
-	{
-		GLint clientVersion = egl::getClientVersion();
-
-		switch(target)
-		{
-		case GL_ARRAY_BUFFER:
-			context->bindArrayBuffer(buffer);
-			return;
-		case GL_ELEMENT_ARRAY_BUFFER:
-			context->bindElementArrayBuffer(buffer);
-			return;
-		case GL_COPY_READ_BUFFER:
-			if(clientVersion >= 3)
-			{
-				context->bindCopyReadBuffer(buffer);
-				return;
-			}
-			else return error(GL_INVALID_ENUM);
-		case GL_COPY_WRITE_BUFFER:
-			if(clientVersion >= 3)
-			{
-				context->bindCopyWriteBuffer(buffer);
-				return;
-			}
-			else return error(GL_INVALID_ENUM);
-		case GL_PIXEL_PACK_BUFFER:
-			if(clientVersion >= 3)
-			{
-				context->bindPixelPackBuffer(buffer);
-				return;
-			}
-			else return error(GL_INVALID_ENUM);
-		case GL_PIXEL_UNPACK_BUFFER:
-			if(clientVersion >= 3)
-			{
-				context->bindPixelUnpackBuffer(buffer);
-				return;
-			}
-			else return error(GL_INVALID_ENUM);
-		case GL_TRANSFORM_FEEDBACK_BUFFER:
-			if(clientVersion >= 3)
-			{
-				context->bindTransformFeedbackBuffer(buffer);
-				return;
-			}
-			else return error(GL_INVALID_ENUM);
-		case GL_UNIFORM_BUFFER:
-			if(clientVersion >= 3)
-			{
-				context->bindGenericUniformBuffer(buffer);
-				return;
-			}
-			else return error(GL_INVALID_ENUM);
-		default:
-			return error(GL_INVALID_ENUM);
-		}
-	}
-}
-
-void BindFramebuffer(GLenum target, GLuint framebuffer)
-{
-	TRACE("(GLenum target = 0x%X, GLuint framebuffer = %d)", target, framebuffer);
-
-	if(target != GL_FRAMEBUFFER && target != GL_DRAW_FRAMEBUFFER_ANGLE && target != GL_READ_FRAMEBUFFER_ANGLE)
-	{
-		return error(GL_INVALID_ENUM);
-	}
-
-	es2::Context *context = es2::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);
-		}
-	}
-}
-
-void BindRenderbuffer(GLenum target, GLuint renderbuffer)
-{
-	TRACE("(GLenum target = 0x%X, GLuint renderbuffer = %d)", target, renderbuffer);
-
-	if(target != GL_RENDERBUFFER)
-	{
-		return error(GL_INVALID_ENUM);
-	}
-
-	es2::Context *context = es2::getContext();
-
-	if(context)
-	{
-		// [OpenGL ES 2.0.25] Section 4.4.3 page 110
-		// [OpenGL ES 3.0.4] Section 4.4.2 page 204
-		// If renderbuffer is not zero, then the resulting renderbuffer object
-		// is a new state vector, initialized with a zero-sized memory buffer.
-		context->bindRenderbuffer(renderbuffer);
-	}
-}
-
-void BindTexture(GLenum target, GLuint texture)
-{
-	TRACE("(GLenum target = 0x%X, GLuint texture = %d)", target, texture);
-
-	es2::Context *context = es2::getContext();
-
-	if(context)
-	{
-		es2::Texture *textureObject = context->getTexture(texture);
-
-		if(textureObject && textureObject->getTarget() != target && texture != 0)
-		{
-			return error(GL_INVALID_OPERATION);
-		}
-
-		GLint clientVersion = context->getClientVersion();
-
-		switch(target)
-		{
-		case GL_TEXTURE_2D:
-			context->bindTexture2D(texture);
-			break;
-		case GL_TEXTURE_CUBE_MAP:
-			context->bindTextureCubeMap(texture);
-			break;
-		case GL_TEXTURE_EXTERNAL_OES:
-			context->bindTextureExternal(texture);
-			break;
-		case GL_TEXTURE_2D_ARRAY:
-			if(clientVersion < 3)
-			{
-				return error(GL_INVALID_ENUM);
-			}
-			context->bindTexture2DArray(texture);
-			break;
-		case GL_TEXTURE_3D_OES:
-			context->bindTexture3D(texture);
-			break;
-		default:
-			return error(GL_INVALID_ENUM);
-		}
-	}
-}
-
-void BlendColor(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);
-
-	es2::Context* context = es2::getContext();
-
-	if(context)
-	{
-		context->setBlendColor(es2::clamp01(red), es2::clamp01(green), es2::clamp01(blue), es2::clamp01(alpha));
-	}
-}
-
-void BlendEquation(GLenum mode)
-{
-	glBlendEquationSeparate(mode, mode);
-}
-
-void BlendEquationSeparate(GLenum modeRGB, GLenum modeAlpha)
-{
-	TRACE("(GLenum modeRGB = 0x%X, GLenum modeAlpha = 0x%X)", modeRGB, modeAlpha);
-
-	switch(modeRGB)
-	{
-	case GL_FUNC_ADD:
-	case GL_FUNC_SUBTRACT:
-	case GL_FUNC_REVERSE_SUBTRACT:
-	case GL_MIN_EXT:
-	case GL_MAX_EXT:
-		break;
-	default:
-		return error(GL_INVALID_ENUM);
-	}
-
-	switch(modeAlpha)
-	{
-	case GL_FUNC_ADD:
-	case GL_FUNC_SUBTRACT:
-	case GL_FUNC_REVERSE_SUBTRACT:
-	case GL_MIN_EXT:
-	case GL_MAX_EXT:
-		break;
-	default:
-		return error(GL_INVALID_ENUM);
-	}
-
-	es2::Context *context = es2::getContext();
-
-	if(context)
-	{
-		context->setBlendEquation(modeRGB, modeAlpha);
-	}
-}
-
-void BlendFunc(GLenum sfactor, GLenum dfactor)
-{
-	glBlendFuncSeparate(sfactor, dfactor, sfactor, dfactor);
-}
-
-void BlendFuncSeparate(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);
-
-	GLint clientVersion = egl::getClientVersion();
-
-	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;
-	case GL_SRC_ALPHA_SATURATE:
-		if(clientVersion < 3)
-		{
-			return error(GL_INVALID_ENUM);
-		}
-		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;
-	case GL_SRC_ALPHA_SATURATE:
-		if(clientVersion < 3)
-		{
-			return error(GL_INVALID_ENUM);
-		}
-		break;
-	default:
-		return error(GL_INVALID_ENUM);
-	}
-
-	es2::Context *context = es2::getContext();
-
-	if(context)
-	{
-		context->setBlendFactors(srcRGB, dstRGB, srcAlpha, dstAlpha);
-	}
-}
-
-void BufferData(GLenum target, GLsizeiptr size, const GLvoid* data, GLenum usage)
-{
-	size = static_cast<GLint>(size);   // Work around issues with some 64-bit applications
-
-	TRACE("(GLenum target = 0x%X, GLsizeiptr size = %d, const GLvoid* data = %p, GLenum usage = %d)",
-	      target, size, data, usage);
-
-	if(size < 0)
-	{
-		return error(GL_INVALID_VALUE);
-	}
-
-	GLint clientVersion = egl::getClientVersion();
-
-	switch(usage)
-	{
-	case GL_STREAM_DRAW:
-	case GL_STATIC_DRAW:
-	case GL_DYNAMIC_DRAW:
-		break;
-	case GL_STREAM_READ:
-	case GL_STREAM_COPY:
-	case GL_STATIC_READ:
-	case GL_STATIC_COPY:
-	case GL_DYNAMIC_READ:
-	case GL_DYNAMIC_COPY:
-		if(clientVersion < 3)
-		{
-			return error(GL_INVALID_ENUM);
-		}
-		break;
-	default:
-		return error(GL_INVALID_ENUM);
-	}
-
-	es2::Context *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);
-		}
-
-		buffer->bufferData(data, size, usage);
-	}
-}
-
-void BufferSubData(GLenum target, GLintptr offset, GLsizeiptr size, const GLvoid* data)
-{
-	size = static_cast<GLint>(size);   // Work around issues with some 64-bit applications
-	offset = static_cast<GLint>(offset);
-
-	TRACE("(GLenum target = 0x%X, GLintptr offset = %d, GLsizeiptr size = %d, const GLvoid* data = %p)",
-	      target, offset, size, data);
-
-	if(size < 0 || offset < 0)
-	{
-		return error(GL_INVALID_VALUE);
-	}
-
-	es2::Context *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((size_t)size + offset > buffer->size())
-		{
-			return error(GL_INVALID_VALUE);
-		}
-
-		buffer->bufferSubData(data, size, offset);
-	}
-}
-
-GLenum CheckFramebufferStatus(GLenum target)
-{
-	TRACE("(GLenum target = 0x%X)", target);
-
-	if(target != GL_FRAMEBUFFER && target != GL_DRAW_FRAMEBUFFER_ANGLE && target != GL_READ_FRAMEBUFFER_ANGLE)
-	{
-		return error(GL_INVALID_ENUM, 0);
-	}
-
-	es2::Context *context = es2::getContext();
-
-	if(context)
-	{
-		es2::Framebuffer *framebuffer = NULL;
-		if(target == GL_READ_FRAMEBUFFER_ANGLE)
-		{
-			framebuffer = context->getReadFramebuffer();
-		}
-		else
-		{
-			framebuffer = context->getDrawFramebuffer();
-		}
-
-		return framebuffer->completeness();
-	}
-
-	return 0;
-}
-
-void Clear(GLbitfield mask)
-{
-	TRACE("(GLbitfield mask = %X)", mask);
-
-	if((mask & ~(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT | GL_STENCIL_BUFFER_BIT)) != 0)
-	{
-		return error(GL_INVALID_VALUE);
-	}
-
-	es2::Context *context = es2::getContext();
-
-	if(context)
-	{
-		context->clear(mask);
-	}
-}
-
-void ClearColor(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);
-
-	es2::Context *context = es2::getContext();
-
-	if(context)
-	{
-		context->setClearColor(red, green, blue, alpha);
-	}
-}
-
-void ClearDepthf(GLclampf depth)
-{
-	TRACE("(GLclampf depth = %f)", depth);
-
-	es2::Context *context = es2::getContext();
-
-	if(context)
-	{
-		context->setClearDepth(depth);
-	}
-}
-
-void ClearStencil(GLint s)
-{
-	TRACE("(GLint s = %d)", s);
-
-	es2::Context *context = es2::getContext();
-
-	if(context)
-	{
-		context->setClearStencil(s);
-	}
-}
-
-void ColorMask(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);
-
-	es2::Context *context = es2::getContext();
-
-	if(context)
-	{
-		context->setColorMask(red == GL_TRUE, green == GL_TRUE, blue == GL_TRUE, alpha == GL_TRUE);
-	}
-}
-
-void CompileShader(GLuint shader)
-{
-	TRACE("(GLuint shader = %d)", shader);
-
-	es2::Context *context = es2::getContext();
-
-	if(context)
-	{
-		es2::Shader *shaderObject = context->getShader(shader);
-
-		if(!shaderObject)
-		{
-			if(context->getProgram(shader))
-			{
-				return error(GL_INVALID_OPERATION);
-			}
-			else
-			{
-				return error(GL_INVALID_VALUE);
-			}
-		}
-
-		shaderObject->compile();
-	}
-}
-
-void CompressedTexImage2D(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 = %p)",
-	      target, level, internalformat, width, height, border, imageSize, data);
-
-	if(!validImageSize(level, width, height) || border != 0 || imageSize < 0)
-	{
-		return error(GL_INVALID_VALUE);
-	}
-
-	switch(internalformat)
-	{
-	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:
-		{
-			GLenum validationError = ValidateCompressedFormat(internalformat, egl::getClientVersion(), true);
-			if(validationError != GL_NONE)
-			{
-				return error(validationError);
-			}
-		}
-		break;
-	}
-
-	if(border != 0)
-	{
-		return error(GL_INVALID_VALUE);
-	}
-
-	es2::Context *context = es2::getContext();
-
-	if(context)
-	{
-		if(level >= es2::IMPLEMENTATION_MAX_TEXTURE_LEVELS)
-		{
-			return error(GL_INVALID_VALUE);
-		}
-
-		switch(target)
-		{
-		case GL_TEXTURE_2D:
-			if(width > (es2::IMPLEMENTATION_MAX_TEXTURE_SIZE >> level) ||
-			   height > (es2::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 > (es2::IMPLEMENTATION_MAX_CUBE_MAP_TEXTURE_SIZE >> level) ||
-			   height > (es2::IMPLEMENTATION_MAX_CUBE_MAP_TEXTURE_SIZE >> level))
-			{
-				return error(GL_INVALID_VALUE);
-			}
-			break;
-		default:
-			return error(GL_INVALID_ENUM);
-		}
-
-		if(imageSize != egl::ComputeCompressedSize(width, height, internalformat))
-		{
-			return error(GL_INVALID_VALUE);
-		}
-
-		if(target == GL_TEXTURE_2D)
-		{
-			es2::Texture2D *texture = context->getTexture2D();
-
-			if(!texture)
-			{
-				return error(GL_INVALID_OPERATION);
-			}
-
-			texture->setCompressedImage(level, internalformat, width, height, imageSize, data);
-		}
-		else
-		{
-			es2::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(target);
-			}
-		}
-	}
-}
-
-void CompressedTexSubImage2D(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 = %p)",
-	      target, level, xoffset, yoffset, width, height, format, imageSize, data);
-
-	if(!es2::IsTextureTarget(target))
-	{
-		return error(GL_INVALID_ENUM);
-	}
-
-	if(level < 0 || level >= es2::IMPLEMENTATION_MAX_TEXTURE_LEVELS)
-	{
-		return error(GL_INVALID_VALUE);
-	}
-
-	if(xoffset < 0 || yoffset < 0 || !validImageSize(level, width, height) || imageSize < 0)
-	{
-		return error(GL_INVALID_VALUE);
-	}
-
-	GLenum validationError = ValidateCompressedFormat(format, egl::getClientVersion(), true);
-	if(validationError != GL_NONE)
-	{
-		return error(validationError);
-	}
-
-	if(width == 0 || height == 0 || !data)
-	{
-		return;
-	}
-
-	es2::Context *context = es2::getContext();
-
-	if(context)
-	{
-		if(imageSize != egl::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);
-		}
-
-		GLenum sizedInternalFormat = GetSizedInternalFormat(format, GL_NONE);
-
-		if(target == GL_TEXTURE_2D)
-		{
-			es2::Texture2D *texture = context->getTexture2D();
-
-			GLenum validationError = ValidateSubImageParams(true, width, height, xoffset, yoffset, target, level, sizedInternalFormat, texture);
-
-			if(validationError == GL_NONE)
-			{
-				texture->subImageCompressed(level, xoffset, yoffset, width, height, sizedInternalFormat, imageSize, data);
-			}
-			else
-			{
-				return error(validationError);
-			}
-		}
-		else if(es2::IsCubemapTextureTarget(target))
-		{
-			es2::TextureCubeMap *texture = context->getTextureCubeMap();
-
-			GLenum validationError = ValidateSubImageParams(true, width, height, xoffset, yoffset, target, level, sizedInternalFormat, texture);
-
-			if(validationError == GL_NONE)
-			{
-				texture->subImageCompressed(target, level, xoffset, yoffset, width, height, sizedInternalFormat, imageSize, data);
-			}
-			else
-			{
-				return error(validationError);
-			}
-		}
-		else UNREACHABLE(target);
-	}
-}
-
-void CopyTexImage2D(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);
-
-	if(!validImageSize(level, width, height))
-	{
-		return error(GL_INVALID_VALUE);
-	}
-
-	if(border != 0)
-	{
-		return error(GL_INVALID_VALUE);
-	}
-
-	es2::Context *context = es2::getContext();
-
-	if(context)
-	{
-		switch(target)
-		{
-		case GL_TEXTURE_2D:
-			if(width > (es2::IMPLEMENTATION_MAX_TEXTURE_SIZE >> level) ||
-			   height > (es2::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 > (es2::IMPLEMENTATION_MAX_CUBE_MAP_TEXTURE_SIZE >> level) ||
-			   height > (es2::IMPLEMENTATION_MAX_CUBE_MAP_TEXTURE_SIZE >> level))
-			{
-				return error(GL_INVALID_VALUE);
-			}
-			break;
-		default:
-			return error(GL_INVALID_ENUM);
-		}
-
-		es2::Framebuffer *framebuffer = context->getReadFramebuffer();
-
-		if(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();
-
-		if(!validateColorBufferFormat(internalformat, colorbufferFormat))
-		{
-			return;
-		}
-
-		if(target == GL_TEXTURE_2D)
-		{
-			es2::Texture2D *texture = context->getTexture2D();
-
-			if(!texture)
-			{
-				return error(GL_INVALID_OPERATION);
-			}
-
-			texture->copyImage(level, internalformat, x, y, width, height, framebuffer);
-		}
-		else if(es2::IsCubemapTextureTarget(target))
-		{
-			es2::TextureCubeMap *texture = context->getTextureCubeMap();
-
-			if(!texture)
-			{
-				return error(GL_INVALID_OPERATION);
-			}
-
-			texture->copyImage(target, level, internalformat, x, y, width, height, framebuffer);
-		}
-		else UNREACHABLE(target);
-	}
-}
-
-void CopyTexSubImage2D(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);
-
-	if(!es2::IsTextureTarget(target))
-	{
-		return error(GL_INVALID_ENUM);
-	}
-
-	if(level < 0 || level >= es2::IMPLEMENTATION_MAX_TEXTURE_LEVELS)
-	{
-		return error(GL_INVALID_VALUE);
-	}
-
-	if(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;
-	}
-
-	es2::Context *context = es2::getContext();
-
-	if(context)
-	{
-		es2::Framebuffer *framebuffer = context->getReadFramebuffer();
-
-		if(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);
-		}
-
-		es2::Texture *texture = nullptr;
-
-		if(target == GL_TEXTURE_2D)
-		{
-			texture = context->getTexture2D();
-		}
-		else if(es2::IsCubemapTextureTarget(target))
-		{
-			texture = context->getTextureCubeMap();
-		}
-		else UNREACHABLE(target);
-
-		GLenum validationError = ValidateSubImageParams(false, width, height, xoffset, yoffset, target, level, GL_NONE, texture);
-		if(validationError != GL_NONE)
-		{
-			return error(validationError);
-		}
-
-		texture->copySubImage(target, level, xoffset, yoffset, 0, x, y, width, height, framebuffer);
-	}
-}
-
-GLuint CreateProgram(void)
-{
-	TRACE("()");
-
-	es2::Context *context = es2::getContext();
-
-	if(context)
-	{
-		return context->createProgram();
-	}
-
-	return 0;
-}
-
-GLuint CreateShader(GLenum type)
-{
-	TRACE("(GLenum type = 0x%X)", type);
-
-	es2::Context *context = es2::getContext();
-
-	if(context)
-	{
-		switch(type)
-		{
-		case GL_FRAGMENT_SHADER:
-		case GL_VERTEX_SHADER:
-			return context->createShader(type);
-		default:
-			return error(GL_INVALID_ENUM, 0);
-		}
-	}
-
-	return 0;
-}
-
-void CullFace(GLenum mode)
-{
-	TRACE("(GLenum mode = 0x%X)", mode);
-
-	switch(mode)
-	{
-	case GL_FRONT:
-	case GL_BACK:
-	case GL_FRONT_AND_BACK:
-		{
-			es2::Context *context = es2::getContext();
-
-			if(context)
-			{
-				context->setCullMode(mode);
-			}
-		}
-		break;
-	default:
-		return error(GL_INVALID_ENUM);
-	}
-}
-
-void DeleteBuffers(GLsizei n, const GLuint* buffers)
-{
-	TRACE("(GLsizei n = %d, const GLuint* buffers = %p)", n, buffers);
-
-	if(n < 0)
-	{
-		return error(GL_INVALID_VALUE);
-	}
-
-	es2::Context *context = es2::getContext();
-
-	if(context)
-	{
-		for(int i = 0; i < n; i++)
-		{
-			context->deleteBuffer(buffers[i]);
-		}
-	}
-}
-
-void DeleteFencesNV(GLsizei n, const GLuint* fences)
-{
-	TRACE("(GLsizei n = %d, const GLuint* fences = %p)", n, fences);
-
-	if(n < 0)
-	{
-		return error(GL_INVALID_VALUE);
-	}
-
-	es2::Context *context = es2::getContext();
-
-	if(context)
-	{
-		for(int i = 0; i < n; i++)
-		{
-			context->deleteFence(fences[i]);
-		}
-	}
-}
-
-void DeleteFramebuffers(GLsizei n, const GLuint* framebuffers)
-{
-	TRACE("(GLsizei n = %d, const GLuint* framebuffers = %p)", n, framebuffers);
-
-	if(n < 0)
-	{
-		return error(GL_INVALID_VALUE);
-	}
-
-	es2::Context *context = es2::getContext();
-
-	if(context)
-	{
-		for(int i = 0; i < n; i++)
-		{
-			if(framebuffers[i] != 0)
-			{
-				context->deleteFramebuffer(framebuffers[i]);
-			}
-		}
-	}
-}
-
-void DeleteProgram(GLuint program)
-{
-	TRACE("(GLuint program = %d)", program);
-
-	if(program == 0)
-	{
-		return;
-	}
-
-	es2::Context *context = es2::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);
-	}
-}
-
-void DeleteQueriesEXT(GLsizei n, const GLuint *ids)
-{
-	TRACE("(GLsizei n = %d, const GLuint *ids = %p)", n, ids);
-
-	if(n < 0)
-	{
-		return error(GL_INVALID_VALUE);
-	}
-
-	es2::Context *context = es2::getContext();
-
-	if(context)
-	{
-		for(int i = 0; i < n; i++)
-		{
-			context->deleteQuery(ids[i]);
-		}
-	}
-}
-
-void DeleteRenderbuffers(GLsizei n, const GLuint* renderbuffers)
-{
-	TRACE("(GLsizei n = %d, const GLuint* renderbuffers = %p)", n, renderbuffers);
-
-	if(n < 0)
-	{
-		return error(GL_INVALID_VALUE);
-	}
-
-	es2::Context *context = es2::getContext();
-
-	if(context)
-	{
-		for(int i = 0; i < n; i++)
-		{
-			context->deleteRenderbuffer(renderbuffers[i]);
-		}
-	}
-}
-
-void DeleteShader(GLuint shader)
-{
-	TRACE("(GLuint shader = %d)", shader);
-
-	if(shader == 0)
-	{
-		return;
-	}
-
-	es2::Context *context = es2::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);
-	}
-}
-
-void DeleteTextures(GLsizei n, const GLuint* textures)
-{
-	TRACE("(GLsizei n = %d, const GLuint* textures = %p)", n, textures);
-
-	if(n < 0)
-	{
-		return error(GL_INVALID_VALUE);
-	}
-
-	es2::Context *context = es2::getContext();
-
-	if(context)
-	{
-		for(int i = 0; i < n; i++)
-		{
-			if(textures[i] != 0)
-			{
-				context->deleteTexture(textures[i]);
-			}
-		}
-	}
-}
-
-void DepthFunc(GLenum func)
-{
-	TRACE("(GLenum func = 0x%X)", func);
-
-	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);
-	}
-
-	es2::Context *context = es2::getContext();
-
-	if(context)
-	{
-		context->setDepthFunc(func);
-	}
-}
-
-void DepthMask(GLboolean flag)
-{
-	TRACE("(GLboolean flag = %d)", flag);
-
-	es2::Context *context = es2::getContext();
-
-	if(context)
-	{
-		context->setDepthMask(flag != GL_FALSE);
-	}
-}
-
-void DepthRangef(GLclampf zNear, GLclampf zFar)
-{
-	TRACE("(GLclampf zNear = %f, GLclampf zFar = %f)", zNear, zFar);
-
-	es2::Context *context = es2::getContext();
-
-	if(context)
-	{
-		context->setDepthRange(zNear, zFar);
-	}
-}
-
-void DetachShader(GLuint program, GLuint shader)
-{
-	TRACE("(GLuint program = %d, GLuint shader = %d)", program, shader);
-
-	es2::Context *context = es2::getContext();
-
-	if(context)
-	{
-
-		es2::Program *programObject = context->getProgram(program);
-		es2::Shader *shaderObject = context->getShader(shader);
-
-		if(!programObject)
-		{
-			es2::Shader *shaderByProgramHandle;
-			shaderByProgramHandle = context->getShader(program);
-			if(!shaderByProgramHandle)
-			{
-				return error(GL_INVALID_VALUE);
-			}
-			else
-			{
-				return error(GL_INVALID_OPERATION);
-			}
-		}
-
-		if(!shaderObject)
-		{
-			es2::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);
-		}
-	}
-}
-
-void Disable(GLenum cap)
-{
-	TRACE("(GLenum cap = 0x%X)", cap);
-
-	es2::Context *context = es2::getContext();
-
-	if(context)
-	{
-		switch(cap)
-		{
-		case GL_CULL_FACE:                     context->setCullFaceEnabled(false);                   break;
-		case GL_POLYGON_OFFSET_FILL:           context->setPolygonOffsetFillEnabled(false);          break;
-		case GL_SAMPLE_ALPHA_TO_COVERAGE:      context->setSampleAlphaToCoverageEnabled(false);      break;
-		case GL_SAMPLE_COVERAGE:               context->setSampleCoverageEnabled(false);             break;
-		case GL_SCISSOR_TEST:                  context->setScissorTestEnabled(false);                break;
-		case GL_STENCIL_TEST:                  context->setStencilTestEnabled(false);                break;
-		case GL_DEPTH_TEST:                    context->setDepthTestEnabled(false);                  break;
-		case GL_BLEND:                         context->setBlendEnabled(false);                      break;
-		case GL_DITHER:                        context->setDitherEnabled(false);                     break;
-		case GL_PRIMITIVE_RESTART_FIXED_INDEX: context->setPrimitiveRestartFixedIndexEnabled(false); break;
-		case GL_RASTERIZER_DISCARD:            context->setRasterizerDiscardEnabled(false);          break;
-		default:
-			return error(GL_INVALID_ENUM);
-		}
-	}
-}
-
-void DisableVertexAttribArray(GLuint index)
-{
-	TRACE("(GLuint index = %d)", index);
-
-	if(index >= es2::MAX_VERTEX_ATTRIBS)
-	{
-		return error(GL_INVALID_VALUE);
-	}
-
-	es2::Context *context = es2::getContext();
-
-	if(context)
-	{
-		context->setVertexAttribArrayEnabled(index, false);
-	}
-}
-
-void DrawArrays(GLenum mode, GLint first, GLsizei count)
-{
-	TRACE("(GLenum mode = 0x%X, GLint first = %d, GLsizei count = %d)", mode, first, count);
-
-	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 || first < 0)
-	{
-		return error(GL_INVALID_VALUE);
-	}
-
-	es2::Context *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);
-	}
-}
-
-void DrawElements(GLenum mode, GLsizei count, GLenum type, const GLvoid* indices)
-{
-	TRACE("(GLenum mode = 0x%X, GLsizei count = %d, GLenum type = 0x%X, const GLvoid* indices = %p)",
-	      mode, 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);
-	}
-
-	if(count < 0)
-	{
-		return error(GL_INVALID_VALUE);
-	}
-
-	es2::Context *context = es2::getContext();
-
-	if(context)
-	{
-		es2::TransformFeedback* transformFeedback = context->getTransformFeedback();
-		if(transformFeedback && transformFeedback->isActive() && !transformFeedback->isPaused())
-		{
-			return error(GL_INVALID_OPERATION);
-		}
-
-		switch(type)
-		{
-		case GL_UNSIGNED_BYTE:
-		case GL_UNSIGNED_SHORT:
-		case GL_UNSIGNED_INT:
-			break;
-		default:
-			return error(GL_INVALID_ENUM);
-		}
-
-		context->drawElements(mode, 0, MAX_ELEMENT_INDEX, count, type, indices);
-	}
-}
-
-void DrawArraysInstancedEXT(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);
-	}
-
-	es2::Context *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 DrawElementsInstancedEXT(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);
-	}
-
-	es2::Context *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);
-	}
-}
-
-void VertexAttribDivisorEXT(GLuint index, GLuint divisor)
-{
-	TRACE("(GLuint index = %d, GLuint divisor = %d)", index, divisor);
-
-	es2::Context *context = es2::getContext();
-
-	if(context)
-	{
-		if(index >= es2::MAX_VERTEX_ATTRIBS)
-		{
-			return error(GL_INVALID_VALUE);
-		}
-
-		context->setVertexAttribDivisor(index, divisor);
-	}
-}
-
-void DrawArraysInstancedANGLE(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);
-	}
-
-	es2::Context *context = es2::getContext();
-
-	if(context)
-	{
-		if(!context->hasZeroDivisor())
-		{
-			return error(GL_INVALID_OPERATION);
-		}
-
-		es2::TransformFeedback* transformFeedback = context->getTransformFeedback();
-		if(transformFeedback && transformFeedback->isActive() && (mode != transformFeedback->primitiveMode()))
-		{
-			return error(GL_INVALID_OPERATION);
-		}
-
-		context->drawArrays(mode, first, count, instanceCount);
-	}
-}
-
-void DrawElementsInstancedANGLE(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);
-	}
-
-	es2::Context *context = es2::getContext();
-
-	if(context)
-	{
-		if(!context->hasZeroDivisor())
-		{
-			return error(GL_INVALID_OPERATION);
-		}
-
-		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);
-	}
-}
-
-void VertexAttribDivisorANGLE(GLuint index, GLuint divisor)
-{
-	TRACE("(GLuint index = %d, GLuint divisor = %d)", index, divisor);
-
-	es2::Context *context = es2::getContext();
-
-	if(context)
-	{
-		if(index >= MAX_VERTEX_ATTRIBS)
-		{
-			return error(GL_INVALID_VALUE);
-		}
-
-		context->setVertexAttribDivisor(index, divisor);
-	}
-}
-
-void Enable(GLenum cap)
-{
-	TRACE("(GLenum cap = 0x%X)", cap);
-
-	es2::Context *context = es2::getContext();
-
-	if(context)
-	{
-		switch(cap)
-		{
-		case GL_CULL_FACE:                     context->setCullFaceEnabled(true);                   break;
-		case GL_POLYGON_OFFSET_FILL:           context->setPolygonOffsetFillEnabled(true);          break;
-		case GL_SAMPLE_ALPHA_TO_COVERAGE:      context->setSampleAlphaToCoverageEnabled(true);      break;
-		case GL_SAMPLE_COVERAGE:               context->setSampleCoverageEnabled(true);             break;
-		case GL_SCISSOR_TEST:                  context->setScissorTestEnabled(true);                break;
-		case GL_STENCIL_TEST:                  context->setStencilTestEnabled(true);                break;
-		case GL_DEPTH_TEST:                    context->setDepthTestEnabled(true);                  break;
-		case GL_BLEND:                         context->setBlendEnabled(true);                      break;
-		case GL_DITHER:                        context->setDitherEnabled(true);                     break;
-		case GL_PRIMITIVE_RESTART_FIXED_INDEX: context->setPrimitiveRestartFixedIndexEnabled(true); break;
-		case GL_RASTERIZER_DISCARD:            context->setRasterizerDiscardEnabled(true);          break;
-		default:
-			return error(GL_INVALID_ENUM);
-		}
-	}
-}
-
-void EnableVertexAttribArray(GLuint index)
-{
-	TRACE("(GLuint index = %d)", index);
-
-	if(index >= es2::MAX_VERTEX_ATTRIBS)
-	{
-		return error(GL_INVALID_VALUE);
-	}
-
-	es2::Context *context = es2::getContext();
-
-	if(context)
-	{
-		context->setVertexAttribArrayEnabled(index, true);
-	}
-}
-
-void EndQueryEXT(GLenum target)
-{
-	TRACE("GLenum target = 0x%X)", target);
-
-	switch(target)
-	{
-	case GL_ANY_SAMPLES_PASSED_EXT:
-	case GL_ANY_SAMPLES_PASSED_CONSERVATIVE_EXT:
-		break;
-	default:
-		return error(GL_INVALID_ENUM);
-	}
-
-	es2::Context *context = es2::getContext();
-
-	if(context)
-	{
-		context->endQuery(target);
-	}
-}
-
-void FinishFenceNV(GLuint fence)
-{
-	TRACE("(GLuint fence = %d)", fence);
-
-	es2::Context *context = es2::getContext();
-
-	if(context)
-	{
-		es2::Fence* fenceObject = context->getFence(fence);
-
-		if(fenceObject == NULL)
-		{
-			return error(GL_INVALID_OPERATION);
-		}
-
-		fenceObject->finishFence();
-	}
-}
-
-void Finish(void)
-{
-	TRACE("()");
-
-	es2::Context *context = es2::getContext();
-
-	if(context)
-	{
-		context->finish();
-	}
-}
-
-void Flush(void)
-{
-	TRACE("()");
-
-	es2::Context *context = es2::getContext();
-
-	if(context)
-	{
-		context->flush();
-	}
-}
-
-void FramebufferRenderbuffer(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);
-
-	if((target != GL_FRAMEBUFFER && target != GL_DRAW_FRAMEBUFFER_ANGLE && target != GL_READ_FRAMEBUFFER_ANGLE) ||
-	   (renderbuffertarget != GL_RENDERBUFFER && renderbuffer != 0))
-	{
-		return error(GL_INVALID_ENUM);
-	}
-
-	es2::Context *context = es2::getContext();
-
-	if(context)
-	{
-		es2::Framebuffer *framebuffer = NULL;
-		GLuint framebufferName = 0;
-		if(target == GL_READ_FRAMEBUFFER_ANGLE)
-		{
-			framebuffer = context->getReadFramebuffer();
-			framebufferName = context->getReadFramebufferName();
-		}
-		else
-		{
-			framebuffer = context->getDrawFramebuffer();
-			framebufferName = context->getDrawFramebufferName();
-		}
-
-		if(!framebuffer || framebufferName == 0)
-		{
-			return error(GL_INVALID_OPERATION);
-		}
-
-		// [OpenGL ES 2.0.25] Section 4.4.3 page 112
-		// [OpenGL ES 3.0.2] Section 4.4.2 page 201
-		// 'renderbuffer' must be either zero or the name of an existing renderbuffer object of
-		// type 'renderbuffertarget', otherwise an INVALID_OPERATION error is generated.
-		if(renderbuffer != 0)
-		{
-			if(!context->getRenderbuffer(renderbuffer))
-			{
-				return error(GL_INVALID_OPERATION);
-			}
-		}
-
-		GLint clientVersion = context->getClientVersion();
-
-		switch(attachment)
-		{
-		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:
-			if((attachment - GL_COLOR_ATTACHMENT0) >= MAX_COLOR_ATTACHMENTS)
-			{
-				return error(GL_INVALID_ENUM);
-			}
-			framebuffer->setColorbuffer(GL_RENDERBUFFER, renderbuffer, attachment - GL_COLOR_ATTACHMENT0);
-			break;
-		case GL_DEPTH_ATTACHMENT:
-			framebuffer->setDepthbuffer(GL_RENDERBUFFER, renderbuffer);
-			break;
-		case GL_STENCIL_ATTACHMENT:
-			framebuffer->setStencilbuffer(GL_RENDERBUFFER, renderbuffer);
-			break;
-		case GL_DEPTH_STENCIL_ATTACHMENT:
-			if(clientVersion >= 3)
-			{
-				framebuffer->setDepthbuffer(GL_RENDERBUFFER, renderbuffer);
-				framebuffer->setStencilbuffer(GL_RENDERBUFFER, renderbuffer);
-				break;
-			}
-			else return error(GL_INVALID_ENUM);
-		default:
-			return error(GL_INVALID_ENUM);
-		}
-	}
-}
-
-void FramebufferTexture2D(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);
-
-	if(target != GL_FRAMEBUFFER && target != GL_DRAW_FRAMEBUFFER_ANGLE && target != GL_READ_FRAMEBUFFER_ANGLE)
-	{
-		return error(GL_INVALID_ENUM);
-	}
-
-	es2::Context *context = es2::getContext();
-
-	if(context)
-	{
-		if(texture == 0)
-		{
-			textarget = GL_NONE;
-		}
-		else
-		{
-			es2::Texture *tex = context->getTexture(texture);
-
-			if(tex == NULL)
-			{
-				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(tex->isCompressed(textarget, level))
-			{
-				return error(GL_INVALID_OPERATION);
-			}
-
-			if((level != 0) && (context->getClientVersion() < 3))
-			{
-				return error(GL_INVALID_VALUE);
-			}
-
-			if((level < 0) || (level >= es2::IMPLEMENTATION_MAX_TEXTURE_LEVELS))
-			{
-				return error(GL_INVALID_VALUE);
-			}
-		}
-
-		es2::Framebuffer *framebuffer = NULL;
-		GLuint framebufferName = 0;
-		if(target == GL_READ_FRAMEBUFFER_ANGLE)
-		{
-			framebuffer = context->getReadFramebuffer();
-			framebufferName = context->getReadFramebufferName();
-		}
-		else
-		{
-			framebuffer = context->getDrawFramebuffer();
-			framebufferName = context->getDrawFramebufferName();
-		}
-
-		if(framebufferName == 0 || !framebuffer)
-		{
-			return error(GL_INVALID_OPERATION);
-		}
-
-		switch(attachment)
-		{
-		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:
-			if((attachment - GL_COLOR_ATTACHMENT0) >= MAX_COLOR_ATTACHMENTS)
-			{
-				return error(GL_INVALID_ENUM);
-			}
-			framebuffer->setColorbuffer(textarget, texture, attachment - GL_COLOR_ATTACHMENT0, level);
-			break;
-		case GL_DEPTH_ATTACHMENT:   framebuffer->setDepthbuffer(textarget, texture, level);   break;
-		case GL_STENCIL_ATTACHMENT: framebuffer->setStencilbuffer(textarget, texture, level); break;
-		default:
-			return error(GL_INVALID_ENUM);
-		}
-	}
-}
-
-void FrontFace(GLenum mode)
-{
-	TRACE("(GLenum mode = 0x%X)", mode);
-
-	switch(mode)
-	{
-	case GL_CW:
-	case GL_CCW:
-		{
-			es2::Context *context = es2::getContext();
-
-			if(context)
-			{
-				context->setFrontFace(mode);
-			}
-		}
-		break;
-	default:
-		return error(GL_INVALID_ENUM);
-	}
-}
-
-void GenBuffers(GLsizei n, GLuint* buffers)
-{
-	TRACE("(GLsizei n = %d, GLuint* buffers = %p)", n, buffers);
-
-	if(n < 0)
-	{
-		return error(GL_INVALID_VALUE);
-	}
-
-	es2::Context *context = es2::getContext();
-
-	if(context)
-	{
-		for(int i = 0; i < n; i++)
-		{
-			buffers[i] = context->createBuffer();
-		}
-	}
-}
-
-void GenerateMipmap(GLenum target)
-{
-	TRACE("(GLenum target = 0x%X)", target);
-
-	es2::Context *context = es2::getContext();
-
-	if(context)
-	{
-		es2::Texture *texture = nullptr;
-
-		GLint clientVersion = context->getClientVersion();
-
-		switch(target)
-		{
-		case GL_TEXTURE_2D:
-			texture = context->getTexture2D();
-			break;
-		case GL_TEXTURE_CUBE_MAP:
-			texture = context->getTextureCubeMap();
-			break;
-		case GL_TEXTURE_2D_ARRAY:
-			if(clientVersion < 3)
-			{
-				return error(GL_INVALID_ENUM);
-			}
-			else
-			{
-				texture = context->getTexture2DArray();
-			}
-			break;
-		case GL_TEXTURE_3D_OES:
-			texture = context->getTexture3D();
-			break;
-		default:
-			return error(GL_INVALID_ENUM);
-		}
-
-		if(texture->isCompressed(target, 0) || texture->isDepth(target, 0))
-		{
-			return error(GL_INVALID_OPERATION);
-		}
-
-		texture->generateMipmaps();
-	}
-}
-
-void GenFencesNV(GLsizei n, GLuint* fences)
-{
-	TRACE("(GLsizei n = %d, GLuint* fences = %p)", n, fences);
-
-	if(n < 0)
-	{
-		return error(GL_INVALID_VALUE);
-	}
-
-	es2::Context *context = es2::getContext();
-
-	if(context)
-	{
-		for(int i = 0; i < n; i++)
-		{
-			fences[i] = context->createFence();
-		}
-	}
-}
-
-void GenFramebuffers(GLsizei n, GLuint* framebuffers)
-{
-	TRACE("(GLsizei n = %d, GLuint* framebuffers = %p)", n, framebuffers);
-
-	if(n < 0)
-	{
-		return error(GL_INVALID_VALUE);
-	}
-
-	es2::Context *context = es2::getContext();
-
-	if(context)
-	{
-		for(int i = 0; i < n; i++)
-		{
-			framebuffers[i] = context->createFramebuffer();
-		}
-	}
-}
-
-void GenQueriesEXT(GLsizei n, GLuint* ids)
-{
-	TRACE("(GLsizei n = %d, GLuint* ids = %p)", n, ids);
-
-	if(n < 0)
-	{
-		return error(GL_INVALID_VALUE);
-	}
-
-	es2::Context *context = es2::getContext();
-
-	if(context)
-	{
-		for(int i = 0; i < n; i++)
-		{
-			ids[i] = context->createQuery();
-		}
-	}
-}
-
-void GenRenderbuffers(GLsizei n, GLuint* renderbuffers)
-{
-	TRACE("(GLsizei n = %d, GLuint* renderbuffers = %p)", n, renderbuffers);
-
-	if(n < 0)
-	{
-		return error(GL_INVALID_VALUE);
-	}
-
-	es2::Context *context = es2::getContext();
-
-	if(context)
-	{
-		for(int i = 0; i < n; i++)
-		{
-			renderbuffers[i] = context->createRenderbuffer();
-		}
-	}
-}
-
-void GenTextures(GLsizei n, GLuint* textures)
-{
-	TRACE("(GLsizei n = %d, GLuint* textures = %p)", n, textures);
-
-	if(n < 0)
-	{
-		return error(GL_INVALID_VALUE);
-	}
-
-	es2::Context *context = es2::getContext();
-
-	if(context)
-	{
-		for(int i = 0; i < n; i++)
-		{
-			textures[i] = context->createTexture();
-		}
-	}
-}
-
-void GetActiveAttrib(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 = %p, "
-	      "GLint *size = %p, GLenum *type = %p, GLchar *name = %p)",
-	      program, index, bufsize, length, size, type, name);
-
-	if(bufsize < 0)
-	{
-		return error(GL_INVALID_VALUE);
-	}
-
-	es2::Context *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(index >= programObject->getActiveAttributeCount())
-		{
-			return error(GL_INVALID_VALUE);
-		}
-
-		programObject->getActiveAttribute(index, bufsize, length, size, type, name);
-	}
-}
-
-void GetActiveUniform(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 = %p, GLint* size = %p, GLenum* type = %p, GLchar* name = %s)",
-	      program, index, bufsize, length, size, type, name);
-
-	if(bufsize < 0)
-	{
-		return error(GL_INVALID_VALUE);
-	}
-
-	es2::Context *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(index >= programObject->getActiveUniformCount())
-		{
-			return error(GL_INVALID_VALUE);
-		}
-
-		programObject->getActiveUniform(index, bufsize, length, size, type, name);
-	}
-}
-
-void GetAttachedShaders(GLuint program, GLsizei maxcount, GLsizei* count, GLuint* shaders)
-{
-	TRACE("(GLuint program = %d, GLsizei maxcount = %d, GLsizei* count = %p, GLuint* shaders = %p)",
-	      program, maxcount, count, shaders);
-
-	if(maxcount < 0)
-	{
-		return error(GL_INVALID_VALUE);
-	}
-
-	es2::Context *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);
-			}
-		}
-
-		return programObject->getAttachedShaders(maxcount, count, shaders);
-	}
-}
-
-int GetAttribLocation(GLuint program, const GLchar* name)
-{
-	TRACE("(GLuint program = %d, const GLchar* name = %s)", program, name);
-
-	es2::Context *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->getAttributeLocation(name);
-	}
-
-	return -1;
-}
-
-void GetBooleanv(GLenum pname, GLboolean* params)
-{
-	TRACE("(GLenum pname = 0x%X, GLboolean* params = %p)",  pname, params);
-
-	es2::Context *context = es2::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;
-			}
-		}
-	}
-}
-
-void GetBufferParameteriv(GLenum target, GLenum pname, GLint* params)
-{
-	TRACE("(GLenum target = 0x%X, GLenum pname = 0x%X, GLint* params = %p)", target, pname, params);
-
-	es2::Context *context = es2::getContext();
-
-	if(context)
-	{
-		es2::Buffer *buffer;
-		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);
-		}
-
-		GLint clientVersion = context->getClientVersion();
-
-		switch(pname)
-		{
-		case GL_BUFFER_USAGE:
-			*params = buffer->usage();
-			break;
-		case GL_BUFFER_SIZE:
-			*params = (GLint)buffer->size();
-			break;
-		case GL_BUFFER_ACCESS_FLAGS:
-			if(clientVersion >= 3)
-			{
-				*params = buffer->access();
-				break;
-			}
-			else return error(GL_INVALID_ENUM);
-		case GL_BUFFER_MAPPED:
-			if(clientVersion >= 3)
-			{
-				*params = buffer->isMapped();
-				break;
-			}
-			else return error(GL_INVALID_ENUM);
-		case GL_BUFFER_MAP_LENGTH:
-			if(clientVersion >= 3)
-			{
-				*params = (GLint)buffer->length();
-				break;
-			}
-			else return error(GL_INVALID_ENUM);
-		case GL_BUFFER_MAP_OFFSET:
-			if(clientVersion >= 3)
-			{
-				*params = (GLint)buffer->offset();
-				break;
-			}
-			else return error(GL_INVALID_ENUM);
-		default:
-			return error(GL_INVALID_ENUM);
-		}
-	}
-}
-
-GLenum GetError(void)
-{
-	TRACE("()");
-
-	es2::Context *context = es2::getContext();
-
-	if(context)
-	{
-		return context->getError();
-	}
-
-	return GL_NO_ERROR;
-}
-
-void GetFenceivNV(GLuint fence, GLenum pname, GLint *params)
-{
-	TRACE("(GLuint fence = %d, GLenum pname = 0x%X, GLint *params = %p)", fence, pname, params);
-
-	es2::Context *context = es2::getContext();
-
-	if(context)
-	{
-		es2::Fence *fenceObject = context->getFence(fence);
-
-		if(fenceObject == NULL)
-		{
-			return error(GL_INVALID_OPERATION);
-		}
-
-		fenceObject->getFenceiv(pname, params);
-	}
-}
-
-void GetFloatv(GLenum pname, GLfloat* params)
-{
-	TRACE("(GLenum pname = 0x%X, GLfloat* params = %p)", pname, params);
-
-	es2::Context *context = es2::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;
-			}
-		}
-	}
-}
-
-void GetFramebufferAttachmentParameteriv(GLenum target, GLenum attachment, GLenum pname, GLint* params)
-{
-	TRACE("(GLenum target = 0x%X, GLenum attachment = 0x%X, GLenum pname = 0x%X, GLint* params = %p)",
-	      target, attachment, pname, params);
-
-	es2::Context *context = es2::getContext();
-
-	if(context)
-	{
-		if(target != GL_FRAMEBUFFER && target != GL_DRAW_FRAMEBUFFER && target != GL_READ_FRAMEBUFFER)
-		{
-			return error(GL_INVALID_ENUM);
-		}
-
-		GLint clientVersion = context->getClientVersion();
-
-		es2::Framebuffer *framebuffer = nullptr;
-		if(target == GL_READ_FRAMEBUFFER)
-		{
-			if(context->getReadFramebufferName() == 0)
-			{
-				if(clientVersion < 3)
-				{
-					return error(GL_INVALID_OPERATION);
-				}
-				else
-				{
-					switch(attachment)
-					{
-					case GL_BACK:
-					case GL_DEPTH:
-					case GL_STENCIL:
-						break;
-					default:
-						return error(GL_INVALID_ENUM);
-					}
-				}
-			}
-
-			framebuffer = context->getReadFramebuffer();
-		}
-		else
-		{
-			if(context->getDrawFramebufferName() == 0)
-			{
-				if(clientVersion < 3)
-				{
-					return error(GL_INVALID_OPERATION);
-				}
-				else
-				{
-					switch(attachment)
-					{
-					case GL_BACK:
-					case GL_DEPTH:
-					case GL_STENCIL:
-						break;
-					default:
-						return error(GL_INVALID_ENUM);
-					}
-				}
-			}
-
-			framebuffer = context->getDrawFramebuffer();
-		}
-
-		GLenum attachmentType;
-		GLuint attachmentHandle;
-		GLint attachmentLayer;
-		Renderbuffer* renderbuffer = nullptr;
-		switch(attachment)
-		{
-		case GL_BACK:
-			if(clientVersion >= 3)
-			{
-				attachmentType = framebuffer->getColorbufferType(0);
-				attachmentHandle = framebuffer->getColorbufferName(0);
-				attachmentLayer = framebuffer->getColorbufferLayer(0);
-				renderbuffer = framebuffer->getColorbuffer(0);
-			}
-			else return error(GL_INVALID_ENUM);
-			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:
-			if((attachment - GL_COLOR_ATTACHMENT0) >= MAX_COLOR_ATTACHMENTS)
-			{
-				return error(GL_INVALID_ENUM);
-			}
-			attachmentType = framebuffer->getColorbufferType(attachment - GL_COLOR_ATTACHMENT0);
-			attachmentHandle = framebuffer->getColorbufferName(attachment - GL_COLOR_ATTACHMENT0);
-			attachmentLayer = framebuffer->getColorbufferLayer(attachment - GL_COLOR_ATTACHMENT0);
-			renderbuffer = framebuffer->getColorbuffer(attachment - GL_COLOR_ATTACHMENT0);
-			break;
-		case GL_DEPTH:
-			if(clientVersion < 3)
-			{
-				return error(GL_INVALID_ENUM);
-			}
-			// fall through
-		case GL_DEPTH_ATTACHMENT:
-			attachmentType = framebuffer->getDepthbufferType();
-			attachmentHandle = framebuffer->getDepthbufferName();
-			attachmentLayer = framebuffer->getDepthbufferLayer();
-			renderbuffer = framebuffer->getDepthbuffer();
-			break;
-		case GL_STENCIL:
-			if(clientVersion < 3)
-			{
-				return error(GL_INVALID_ENUM);
-			}
-			// fall through
-		case GL_STENCIL_ATTACHMENT:
-			attachmentType = framebuffer->getStencilbufferType();
-			attachmentHandle = framebuffer->getStencilbufferName();
-			attachmentLayer = framebuffer->getStencilbufferLayer();
-			renderbuffer = framebuffer->getStencilbuffer();
-			break;
-		case GL_DEPTH_STENCIL_ATTACHMENT:
-			if(clientVersion >= 3)
-			{
-				attachmentType = framebuffer->getDepthbufferType();
-				attachmentHandle = framebuffer->getDepthbufferName();
-				attachmentLayer = framebuffer->getDepthbufferLayer();
-				if(attachmentHandle != framebuffer->getStencilbufferName())
-				{
-					// Different attachments to DEPTH and STENCIL, query fails
-					return error(GL_INVALID_OPERATION);
-				}
-				renderbuffer = framebuffer->getDepthbuffer();
-			}
-			else return error(GL_INVALID_ENUM);
-			break;
-		default:
-			return error(GL_INVALID_ENUM);
-		}
-
-		GLenum attachmentObjectType = GL_NONE;   // Type category
-		if(attachmentType == GL_NONE || Framebuffer::IsRenderbuffer(attachmentType))
-		{
-			attachmentObjectType = attachmentType;
-		}
-		else if(es2::IsTextureTarget(attachmentType))
-		{
-			attachmentObjectType = GL_TEXTURE;
-		}
-		else UNREACHABLE(attachmentType);
-
-		if(attachmentObjectType != GL_NONE)
-		{
-			switch(pname)
-			{
-			case GL_FRAMEBUFFER_ATTACHMENT_OBJECT_TYPE:
-				*params = attachmentObjectType;
-				break;
-			case GL_FRAMEBUFFER_ATTACHMENT_OBJECT_NAME:
-				if(Framebuffer::IsRenderbuffer(attachmentObjectType) || attachmentObjectType == GL_TEXTURE)
-				{
-					*params = attachmentHandle;
-				}
-				else
-				{
-					return error(GL_INVALID_ENUM);
-				}
-				break;
-			case GL_FRAMEBUFFER_ATTACHMENT_TEXTURE_LEVEL:
-				if(attachmentObjectType == GL_TEXTURE)
-				{
-					*params = clientVersion < 3 ? 0 : renderbuffer->getLevel(); // 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(es2::IsCubemapTextureTarget(attachmentType))
-					{
-						*params = attachmentType;
-					}
-					else
-					{
-						*params = 0;
-					}
-				}
-				else
-				{
-					return error(GL_INVALID_ENUM);
-				}
-				break;
-			case GL_FRAMEBUFFER_ATTACHMENT_TEXTURE_LAYER:
-				if(clientVersion >= 3)
-				{
-					*params = attachmentLayer;
-				}
-				else return error(GL_INVALID_ENUM);
-				break;
-			case GL_FRAMEBUFFER_ATTACHMENT_RED_SIZE:
-				if(clientVersion >= 3)
-				{
-					*params = renderbuffer->getRedSize();
-				}
-				else return error(GL_INVALID_ENUM);
-				break;
-			case GL_FRAMEBUFFER_ATTACHMENT_GREEN_SIZE:
-				if(clientVersion >= 3)
-				{
-					*params = renderbuffer->getGreenSize();
-				}
-				else return error(GL_INVALID_ENUM);
-				break;
-			case GL_FRAMEBUFFER_ATTACHMENT_BLUE_SIZE:
-				if(clientVersion >= 3)
-				{
-					*params = renderbuffer->getBlueSize();
-				}
-				else return error(GL_INVALID_ENUM);
-				break;
-			case GL_FRAMEBUFFER_ATTACHMENT_ALPHA_SIZE:
-				if(clientVersion >= 3)
-				{
-					*params = renderbuffer->getAlphaSize();
-				}
-				else return error(GL_INVALID_ENUM);
-				break;
-			case GL_FRAMEBUFFER_ATTACHMENT_DEPTH_SIZE:
-				if(clientVersion >= 3)
-				{
-					*params = renderbuffer->getDepthSize();
-				}
-				else return error(GL_INVALID_ENUM);
-				break;
-			case GL_FRAMEBUFFER_ATTACHMENT_STENCIL_SIZE:
-				if(clientVersion >= 3)
-				{
-					*params = renderbuffer->getStencilSize();
-				}
-				else return error(GL_INVALID_ENUM);
-				break;
-			case GL_FRAMEBUFFER_ATTACHMENT_COMPONENT_TYPE:
-				if(clientVersion >= 3)
-				{
-					if(attachment == GL_DEPTH_STENCIL_ATTACHMENT)
-					{
-						return error(GL_INVALID_OPERATION);
-					}
-
-					*params = sw2es::GetComponentType(renderbuffer->getInternalFormat(), attachment);
-				}
-				else return error(GL_INVALID_ENUM);
-				break;
-			case GL_FRAMEBUFFER_ATTACHMENT_COLOR_ENCODING:
-				if(clientVersion >= 3)
-				{
-					*params = GL_LINEAR; // FIXME: GL_SRGB will also be possible, when sRGB is added
-				}
-				else return error(GL_INVALID_ENUM);
-				break;
-			default:
-				return error(GL_INVALID_ENUM);
-			}
-		}
-		else
-		{
-			// ES 2.0.25 spec pg 127 states that if the value of FRAMEBUFFER_ATTACHMENT_OBJECT_TYPE
-			// is NONE, then querying any other pname will generate INVALID_ENUM.
-
-			// ES 3.0.2 spec pg 235 states that if the attachment type is none,
-			// GL_FRAMEBUFFER_ATTACHMENT_OBJECT_NAME will return zero and be an
-			// INVALID_OPERATION for all other pnames
-
-			switch(pname)
-			{
-			case GL_FRAMEBUFFER_ATTACHMENT_OBJECT_TYPE:
-				*params = GL_NONE;
-				break;
-
-			case GL_FRAMEBUFFER_ATTACHMENT_OBJECT_NAME:
-				if(clientVersion < 3)
-				{
-					return error(GL_INVALID_ENUM);
-				}
-				*params = 0;
-				break;
-
-			default:
-				if(clientVersion < 3)
-				{
-					return error(GL_INVALID_ENUM);
-				}
-				else
-				{
-					return error(GL_INVALID_OPERATION);
-				}
-			}
-		}
-	}
-}
-
-GLenum GetGraphicsResetStatusEXT(void)
-{
-	TRACE("()");
-
-	return GL_NO_ERROR;
-}
-
-void GetIntegerv(GLenum pname, GLint* params)
-{
-	TRACE("(GLenum pname = 0x%X, GLint* params = %p)", pname, params);
-
-	es2::Context *context = es2::getContext();
-
-	if(!context)
-	{
-		// Not strictly an error, but probably unintended or attempting to rely on non-compliant behavior
-		#ifdef __ANDROID__
-			ALOGI("expected_badness glGetIntegerv() called without current context.");
-		#else
-			ERR("glGetIntegerv() called without current context.");
-		#endif
-
-		// This is not spec compliant! When there is no current GL context, functions should
-		// have no side effects. Google Maps queries these values before creating a context,
-		// so we need this as a bug-compatible workaround.
-		switch(pname)
-		{
-		case GL_MAX_TEXTURE_SIZE:                 *params = es2::IMPLEMENTATION_MAX_TEXTURE_SIZE;  return;
-		case GL_MAX_VERTEX_TEXTURE_IMAGE_UNITS:   *params = es2::MAX_VERTEX_TEXTURE_IMAGE_UNITS;   return;
-		case GL_MAX_COMBINED_TEXTURE_IMAGE_UNITS: *params = es2::MAX_COMBINED_TEXTURE_IMAGE_UNITS; return;
-		case GL_STENCIL_BITS:                     *params = 8;                                     return;
-		case GL_ALIASED_LINE_WIDTH_RANGE:
-			params[0] = (GLint)es2::ALIASED_LINE_WIDTH_RANGE_MIN;
-			params[1] = (GLint)es2::ALIASED_LINE_WIDTH_RANGE_MAX;
-			return;
-		}
-	}
-
-	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)
-				{
-					params[i] = (boolParams[i] == GL_FALSE) ? 0 : 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] = es2::floatToInt(floatParams[i]);
-					}
-					else
-					{
-						params[i] = (GLint)(floatParams[i] > 0.0f ? floor(floatParams[i] + 0.5) : ceil(floatParams[i] - 0.5));
-					}
-				}
-
-				delete [] floatParams;
-			}
-		}
-	}
-}
-
-void GetProgramiv(GLuint program, GLenum pname, GLint* params)
-{
-	TRACE("(GLuint program = %d, GLenum pname = 0x%X, GLint* params = %p)", program, pname, params);
-
-	es2::Context *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);
-			}
-		}
-
-		GLint clientVersion = egl::getClientVersion();
-
-		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 = (GLint)programObject->getInfoLogLength();
-			return;
-		case GL_ATTACHED_SHADERS:
-			*params = programObject->getAttachedShadersCount();
-			return;
-		case GL_ACTIVE_ATTRIBUTES:
-			*params = (GLint)programObject->getActiveAttributeCount();
-			return;
-		case GL_ACTIVE_ATTRIBUTE_MAX_LENGTH:
-			*params = programObject->getActiveAttributeMaxLength();
-			return;
-		case GL_ACTIVE_UNIFORMS:
-			*params = (GLint)programObject->getActiveUniformCount();
-			return;
-		case GL_ACTIVE_UNIFORM_MAX_LENGTH:
-			*params = programObject->getActiveUniformMaxLength();
-			return;
-		case GL_ACTIVE_UNIFORM_BLOCKS:
-			if(clientVersion >= 3)
-			{
-				*params = (GLint)programObject->getActiveUniformBlockCount();
-				return;
-			}
-			else return error(GL_INVALID_ENUM);
-		case GL_ACTIVE_UNIFORM_BLOCK_MAX_NAME_LENGTH:
-			if(clientVersion >= 3)
-			{
-				*params = programObject->getActiveUniformBlockMaxLength();
-				return;
-			}
-			else return error(GL_INVALID_ENUM);
-		case GL_TRANSFORM_FEEDBACK_BUFFER_MODE:
-			if(clientVersion >= 3)
-			{
-				*params = programObject->getTransformFeedbackBufferMode();
-				return;
-			}
-			else return error(GL_INVALID_ENUM);
-		case GL_TRANSFORM_FEEDBACK_VARYINGS:
-			if(clientVersion >= 3)
-			{
-				*params = programObject->getTransformFeedbackVaryingCount();
-				return;
-			}
-			else return error(GL_INVALID_ENUM);
-		case GL_TRANSFORM_FEEDBACK_VARYING_MAX_LENGTH:
-			if(clientVersion >= 3)
-			{
-				*params = programObject->getTransformFeedbackVaryingMaxLength();
-				return;
-			}
-			else return error(GL_INVALID_ENUM);
-		case GL_PROGRAM_BINARY_RETRIEVABLE_HINT:
-			if(clientVersion >= 3)
-			{
-				*params = programObject->getBinaryRetrievableHint();
-				return;
-			}
-			else return error(GL_INVALID_ENUM);
-		case GL_PROGRAM_BINARY_LENGTH:
-			if(clientVersion >= 3)
-			{
-				*params = programObject->getBinaryLength();
-				return;
-			}
-			else return error(GL_INVALID_ENUM);
-		default:
-			return error(GL_INVALID_ENUM);
-		}
-	}
-}
-
-void GetProgramInfoLog(GLuint program, GLsizei bufsize, GLsizei* length, GLchar* infolog)
-{
-	TRACE("(GLuint program = %d, GLsizei bufsize = %d, GLsizei* length = %p, GLchar* infolog = %p)",
-	      program, bufsize, length, infolog);
-
-	if(bufsize < 0)
-	{
-		return error(GL_INVALID_VALUE);
-	}
-
-	es2::Context *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);
-			}
-		}
-
-		programObject->getInfoLog(bufsize, length, infolog);
-	}
-}
-
-void GetQueryivEXT(GLenum target, GLenum pname, GLint *params)
-{
-	TRACE("GLenum target = 0x%X, GLenum pname = 0x%X, GLint *params = %p)", target, pname, params);
-
-	switch(pname)
-	{
-	case GL_CURRENT_QUERY_EXT:
-		break;
-	default:
-		return error(GL_INVALID_ENUM);
-	}
-
-	es2::Context *context = es2::getContext();
-
-	if(context)
-	{
-		params[0] = context->getActiveQuery(target);
-	}
-}
-
-void GetQueryObjectuivEXT(GLuint name, GLenum pname, GLuint *params)
-{
-	TRACE("(GLuint name = %d, GLenum pname = 0x%X, GLuint *params = %p)", name, pname, params);
-
-	switch(pname)
-	{
-	case GL_QUERY_RESULT_EXT:
-	case GL_QUERY_RESULT_AVAILABLE_EXT:
-		break;
-	default:
-		return error(GL_INVALID_ENUM);
-	}
-
-	es2::Context *context = es2::getContext();
-
-	if(context)
-	{
-		es2::Query *queryObject = context->getQuery(name);
-
-		if(!queryObject)
-		{
-			return error(GL_INVALID_OPERATION);
-		}
-
-		if(context->getActiveQuery(queryObject->getType()) == name)
-		{
-			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);
-		}
-	}
-}
-
-void GetRenderbufferParameteriv(GLenum target, GLenum pname, GLint* params)
-{
-	TRACE("(GLenum target = 0x%X, GLenum pname = 0x%X, GLint* params = %p)", target, pname, params);
-
-	es2::Context *context = es2::getContext();
-
-	if(context)
-	{
-		if(target != GL_RENDERBUFFER)
-		{
-			return error(GL_INVALID_ENUM);
-		}
-
-		if(context->getRenderbufferName() == 0)
-		{
-			return error(GL_INVALID_OPERATION);
-		}
-
-		es2::Renderbuffer *renderbuffer = context->getRenderbuffer(context->getRenderbufferName());
-
-		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:   *params = renderbuffer->getSamples();     break;
-		default:
-			return error(GL_INVALID_ENUM);
-		}
-	}
-}
-
-void GetShaderiv(GLuint shader, GLenum pname, GLint* params)
-{
-	TRACE("(GLuint shader = %d, GLenum pname = %d, GLint* params = %p)", shader, pname, params);
-
-	es2::Context *context = es2::getContext();
-
-	if(context)
-	{
-		es2::Shader *shaderObject = context->getShader(shader);
-
-		if(!shaderObject)
-		{
-			if(context->getProgram(shader))
-			{
-				return error(GL_INVALID_OPERATION);
-			}
-			else
-			{
-				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 = (GLint)shaderObject->getInfoLogLength();
-			return;
-		case GL_SHADER_SOURCE_LENGTH:
-			*params = (GLint)shaderObject->getSourceLength();
-			return;
-		default:
-			return error(GL_INVALID_ENUM);
-		}
-	}
-}
-
-void GetShaderInfoLog(GLuint shader, GLsizei bufsize, GLsizei* length, GLchar* infolog)
-{
-	TRACE("(GLuint shader = %d, GLsizei bufsize = %d, GLsizei* length = %p, GLchar* infolog = %p)",
-	      shader, bufsize, length, infolog);
-
-	if(bufsize < 0)
-	{
-		return error(GL_INVALID_VALUE);
-	}
-
-	es2::Context *context = es2::getContext();
-
-	if(context)
-	{
-		es2::Shader *shaderObject = context->getShader(shader);
-
-		if(!shaderObject)
-		{
-			if(context->getProgram(shader))
-			{
-				return error(GL_INVALID_OPERATION);
-			}
-			else
-			{
-				return error(GL_INVALID_VALUE);
-			}
-		}
-
-		shaderObject->getInfoLog(bufsize, length, infolog);
-	}
-}
-
-void GetShaderPrecisionFormat(GLenum shadertype, GLenum precisiontype, GLint* range, GLint* precision)
-{
-	TRACE("(GLenum shadertype = 0x%X, GLenum precisiontype = 0x%X, GLint* range = %p, GLint* precision = %p)",
-	      shadertype, precisiontype, range, precision);
-
-	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:
-		// Full integer precision is supported
-		range[0] = 31;
-		range[1] = 30;
-		*precision = 0;
-		break;
-	default:
-		return error(GL_INVALID_ENUM);
-	}
-}
-
-void GetShaderSource(GLuint shader, GLsizei bufsize, GLsizei* length, GLchar* source)
-{
-	TRACE("(GLuint shader = %d, GLsizei bufsize = %d, GLsizei* length = %p, GLchar* source = %p)",
-	      shader, bufsize, length, source);
-
-	if(bufsize < 0)
-	{
-		return error(GL_INVALID_VALUE);
-	}
-
-	es2::Context *context = es2::getContext();
-
-	if(context)
-	{
-		es2::Shader *shaderObject = context->getShader(shader);
-
-		if(!shaderObject)
-		{
-			if(context->getProgram(shader))
-			{
-				return error(GL_INVALID_OPERATION);
-			}
-			else
-			{
-				return error(GL_INVALID_VALUE);
-			}
-		}
-
-		shaderObject->getSource(bufsize, length, source);
-	}
-}
-
-const GLubyte* GetString(GLenum name)
-{
-	TRACE("(GLenum name = 0x%X)", name);
-
-	switch(name)
-	{
-	case GL_VENDOR:
-		return (GLubyte*)"Google Inc.";
-	case GL_RENDERER:
-		return (GLubyte*)"Google SwiftShader";
-	case GL_VERSION:
-	{
-		es2::Context *context = es2::getContext();
-		return (context && (context->getClientVersion() >= 3)) ?
-		       (GLubyte*)"OpenGL ES 3.0 SwiftShader " VERSION_STRING :
-		       (GLubyte*)"OpenGL ES 2.0 SwiftShader " VERSION_STRING;
-	}
-	case GL_SHADING_LANGUAGE_VERSION:
-	{
-		es2::Context *context = es2::getContext();
-		return (context && (context->getClientVersion() >= 3)) ?
-		       (GLubyte*)"OpenGL ES GLSL ES 3.00 SwiftShader " VERSION_STRING :
-		       (GLubyte*)"OpenGL ES GLSL ES 1.00 SwiftShader " VERSION_STRING;
-	}
-	case GL_EXTENSIONS:
-	{
-		es2::Context *context = es2::getContext();
-		return context ? context->getExtensions(GL_INVALID_INDEX) : (GLubyte*)NULL;
-	}
-	default:
-		return error(GL_INVALID_ENUM, (GLubyte*)NULL);
-	}
-}
-
-void GetTexParameterfv(GLenum target, GLenum pname, GLfloat* params)
-{
-	TRACE("(GLenum target = 0x%X, GLenum pname = 0x%X, GLfloat* params = %p)", target, pname, params);
-
-	es2::Context *context = es2::getContext();
-
-	if(context)
-	{
-		es2::Texture *texture;
-
-		GLint clientVersion = context->getClientVersion();
-
-		switch(target)
-		{
-		case GL_TEXTURE_2D:
-			texture = context->getTexture2D();
-			break;
-		case GL_TEXTURE_CUBE_MAP:
-			texture = context->getTextureCubeMap();
-			break;
-		case GL_TEXTURE_EXTERNAL_OES:
-			texture = context->getTextureExternal();
-			break;
-		case GL_TEXTURE_2D_ARRAY:
-			if(clientVersion < 3)
-			{
-				return error(GL_INVALID_ENUM);
-			}
-			else
-			{
-				texture = context->getTexture2DArray();
-			}
-			break;
-		case GL_TEXTURE_3D_OES:
-			texture = context->getTexture3D();
-			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_WRAP_R_OES:
-			*params = (GLfloat)texture->getWrapR();
-			break;
-		case GL_TEXTURE_MAX_ANISOTROPY_EXT:
-			*params = texture->getMaxAnisotropy();
-			break;
-		case GL_REQUIRED_TEXTURE_IMAGE_UNITS_OES:
-			*params = (GLfloat)1;
-			break;
-		case GL_TEXTURE_BASE_LEVEL:
-			if(clientVersion >= 3)
-			{
-				*params = (GLfloat)texture->getBaseLevel();
-				break;
-			}
-			else return error(GL_INVALID_ENUM);
-		case GL_TEXTURE_COMPARE_FUNC:
-			if(clientVersion >= 3)
-			{
-				*params = (GLfloat)texture->getCompareFunc();
-				break;
-			}
-			else return error(GL_INVALID_ENUM);
-		case GL_TEXTURE_COMPARE_MODE:
-			if(clientVersion >= 3)
-			{
-				*params = (GLfloat)texture->getCompareMode();
-				break;
-			}
-			else return error(GL_INVALID_ENUM);
-		case GL_TEXTURE_IMMUTABLE_FORMAT:
-			if(clientVersion >= 3)
-			{
-				*params = (GLfloat)texture->getImmutableFormat();
-				break;
-			}
-			else return error(GL_INVALID_ENUM);
-		case GL_TEXTURE_IMMUTABLE_LEVELS:
-			if(clientVersion >= 3)
-			{
-				*params = (GLfloat)texture->getImmutableLevels();
-				break;
-			}
-			else return error(GL_INVALID_ENUM);
-		case GL_TEXTURE_MAX_LEVEL:
-			if(clientVersion >= 3)
-			{
-				*params = (GLfloat)texture->getMaxLevel();
-				break;
-			}
-			else return error(GL_INVALID_ENUM);
-		case GL_TEXTURE_MAX_LOD:
-			if(clientVersion >= 3)
-			{
-				*params = texture->getMaxLOD();
-				break;
-			}
-			else return error(GL_INVALID_ENUM);
-		case GL_TEXTURE_MIN_LOD:
-			if(clientVersion >= 3)
-			{
-				*params = texture->getMinLOD();
-				break;
-			}
-			else return error(GL_INVALID_ENUM);
-		case GL_TEXTURE_SWIZZLE_R:
-			if(clientVersion >= 3)
-			{
-				*params = (GLfloat)texture->getSwizzleR();
-				break;
-			}
-			else return error(GL_INVALID_ENUM);
-		case GL_TEXTURE_SWIZZLE_G:
-			if(clientVersion >= 3)
-			{
-				*params = (GLfloat)texture->getSwizzleG();
-				break;
-			}
-			else return error(GL_INVALID_ENUM);
-		case GL_TEXTURE_SWIZZLE_B:
-			if(clientVersion >= 3)
-			{
-				*params = (GLfloat)texture->getSwizzleB();
-				break;
-			}
-			else return error(GL_INVALID_ENUM);
-		case GL_TEXTURE_SWIZZLE_A:
-			if(clientVersion >= 3)
-			{
-				*params = (GLfloat)texture->getSwizzleA();
-				break;
-			}
-			else return error(GL_INVALID_ENUM);
-		default:
-			return error(GL_INVALID_ENUM);
-		}
-	}
-}
-
-void GetTexParameteriv(GLenum target, GLenum pname, GLint* params)
-{
-	TRACE("(GLenum target = 0x%X, GLenum pname = 0x%X, GLint* params = %p)", target, pname, params);
-
-	es2::Context *context = es2::getContext();
-
-	if(context)
-	{
-		es2::Texture *texture;
-
-		GLint clientVersion = context->getClientVersion();
-
-		switch(target)
-		{
-		case GL_TEXTURE_2D:
-			texture = context->getTexture2D();
-			break;
-		case GL_TEXTURE_CUBE_MAP:
-			texture = context->getTextureCubeMap();
-			break;
-		case GL_TEXTURE_EXTERNAL_OES:
-			texture = context->getTextureExternal();
-			break;
-		case GL_TEXTURE_2D_ARRAY:
-			if(clientVersion < 3)
-			{
-				return error(GL_INVALID_ENUM);
-			}
-			else
-			{
-				texture = context->getTexture2DArray();
-			}
-			break;
-		case GL_TEXTURE_3D_OES:
-			texture = context->getTexture3D();
-			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_WRAP_R_OES:
-			*params = texture->getWrapR();
-			break;
-		case GL_TEXTURE_MAX_ANISOTROPY_EXT:
-			*params = (GLint)texture->getMaxAnisotropy();
-			break;
-		case GL_REQUIRED_TEXTURE_IMAGE_UNITS_OES:
-			*params = 1;
-			break;
-		case GL_TEXTURE_BASE_LEVEL:
-			if(clientVersion >= 3)
-			{
-				*params = texture->getBaseLevel();
-				break;
-			}
-			else return error(GL_INVALID_ENUM);
-		case GL_TEXTURE_COMPARE_FUNC:
-			if(clientVersion >= 3)
-			{
-				*params = (GLint)texture->getCompareFunc();
-				break;
-			}
-			else return error(GL_INVALID_ENUM);
-		case GL_TEXTURE_COMPARE_MODE:
-			if(clientVersion >= 3)
-			{
-				*params = (GLint)texture->getCompareMode();
-				break;
-			}
-			else return error(GL_INVALID_ENUM);
-		case GL_TEXTURE_IMMUTABLE_FORMAT:
-			if(clientVersion >= 3)
-			{
-				*params = (GLint)texture->getImmutableFormat();
-				break;
-			}
-			else return error(GL_INVALID_ENUM);
-		case GL_TEXTURE_IMMUTABLE_LEVELS:
-			if(clientVersion >= 3)
-			{
-				*params = (GLint)texture->getImmutableLevels();
-				break;
-			}
-			else return error(GL_INVALID_ENUM);
-		case GL_TEXTURE_MAX_LEVEL:
-			if(clientVersion >= 3)
-			{
-				*params = texture->getMaxLevel();
-				break;
-			}
-			else return error(GL_INVALID_ENUM);
-		case GL_TEXTURE_MAX_LOD:
-			if(clientVersion >= 3)
-			{
-				*params = (GLint)roundf(texture->getMaxLOD());
-				break;
-			}
-			else return error(GL_INVALID_ENUM);
-		case GL_TEXTURE_MIN_LOD:
-			if(clientVersion >= 3)
-			{
-				*params = (GLint)roundf(texture->getMinLOD());
-				break;
-			}
-			else return error(GL_INVALID_ENUM);
-		case GL_TEXTURE_SWIZZLE_R:
-			if(clientVersion >= 3)
-			{
-				*params = (GLint)texture->getSwizzleR();
-				break;
-			}
-			else return error(GL_INVALID_ENUM);
-		case GL_TEXTURE_SWIZZLE_G:
-			if(clientVersion >= 3)
-			{
-				*params = (GLint)texture->getSwizzleG();
-				break;
-			}
-			else return error(GL_INVALID_ENUM);
-		case GL_TEXTURE_SWIZZLE_B:
-			if(clientVersion >= 3)
-			{
-				*params = (GLint)texture->getSwizzleB();
-				break;
-			}
-			else return error(GL_INVALID_ENUM);
-		case GL_TEXTURE_SWIZZLE_A:
-			if(clientVersion >= 3)
-			{
-				*params = (GLint)texture->getSwizzleA();
-				break;
-			}
-			else return error(GL_INVALID_ENUM);
-		default:
-			return error(GL_INVALID_ENUM);
-		}
-	}
-}
-
-void GetnUniformfvEXT(GLuint program, GLint location, GLsizei bufSize, GLfloat* params)
-{
-	TRACE("(GLuint program = %d, GLint location = %d, GLsizei bufSize = %d, GLfloat* params = %p)",
-	      program, location, bufSize, params);
-
-	if(bufSize < 0)
-	{
-		return error(GL_INVALID_VALUE);
-	}
-
-	es2::Context *context = es2::getContext();
-
-	if(context)
-	{
-		if(program == 0)
-		{
-			return error(GL_INVALID_VALUE);
-		}
-
-		es2::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);
-		}
-	}
-}
-
-void GetUniformfv(GLuint program, GLint location, GLfloat* params)
-{
-	TRACE("(GLuint program = %d, GLint location = %d, GLfloat* params = %p)", program, location, params);
-
-	es2::Context *context = es2::getContext();
-
-	if(context)
-	{
-		if(program == 0)
-		{
-			return error(GL_INVALID_VALUE);
-		}
-
-		es2::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);
-		}
-	}
-}
-
-void GetnUniformivEXT(GLuint program, GLint location, GLsizei bufSize, GLint* params)
-{
-	TRACE("(GLuint program = %d, GLint location = %d, GLsizei bufSize = %d, GLint* params = %p)",
-	      program, location, bufSize, params);
-
-	if(bufSize < 0)
-	{
-		return error(GL_INVALID_VALUE);
-	}
-
-	es2::Context *context = es2::getContext();
-
-	if(context)
-	{
-		if(program == 0)
-		{
-			return error(GL_INVALID_VALUE);
-		}
-
-		es2::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);
-		}
-	}
-}
-
-void GetUniformiv(GLuint program, GLint location, GLint* params)
-{
-	TRACE("(GLuint program = %d, GLint location = %d, GLint* params = %p)", program, location, params);
-
-	es2::Context *context = es2::getContext();
-
-	if(context)
-	{
-		if(program == 0)
-		{
-			return error(GL_INVALID_VALUE);
-		}
-
-		es2::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);
-		}
-	}
-}
-
-int GetUniformLocation(GLuint program, const GLchar* name)
-{
-	TRACE("(GLuint program = %d, const GLchar* name = %s)", program, name);
-
-	es2::Context *context = es2::getContext();
-
-	if(strstr(name, "gl_") == name)
-	{
-		return -1;
-	}
-
-	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->getUniformLocation(name);
-	}
-
-	return -1;
-}
-
-void GetVertexAttribfv(GLuint index, GLenum pname, GLfloat* params)
-{
-	TRACE("(GLuint index = %d, GLenum pname = 0x%X, GLfloat* params = %p)", index, pname, params);
-
-	es2::Context *context = es2::getContext();
-
-	if(context)
-	{
-		if(index >= es2::MAX_VERTEX_ATTRIBS)
-		{
-			return error(GL_INVALID_VALUE);
-		}
-
-		const es2::VertexAttribute &attribState = context->getVertexAttribState(index);
-
-		GLint clientVersion = context->getClientVersion();
-
-		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.name();
-			break;
-		case GL_CURRENT_VERTEX_ATTRIB:
-			{
-				const VertexAttribute& attrib = context->getCurrentVertexAttributes()[index];
-				for(int i = 0; i < 4; ++i)
-				{
-					params[i] = attrib.getCurrentValueF(i);
-				}
-			}
-			break;
-		case GL_VERTEX_ATTRIB_ARRAY_INTEGER:
-			if(clientVersion >= 3)
-			{
-				switch(attribState.mType)
-				{
-				case GL_BYTE:
-				case GL_UNSIGNED_BYTE:
-				case GL_SHORT:
-				case GL_UNSIGNED_SHORT:
-				case GL_INT:
-				case GL_INT_2_10_10_10_REV:
-				case GL_UNSIGNED_INT:
-				case GL_FIXED:
-					*params = (GLfloat)GL_TRUE;
-					break;
-				default:
-					*params = (GLfloat)GL_FALSE;
-					break;
-				}
-				break;
-			}
-			else return error(GL_INVALID_ENUM);
-		default: return error(GL_INVALID_ENUM);
-		}
-	}
-}
-
-void GetVertexAttribiv(GLuint index, GLenum pname, GLint* params)
-{
-	TRACE("(GLuint index = %d, GLenum pname = 0x%X, GLint* params = %p)", index, pname, params);
-
-	es2::Context *context = es2::getContext();
-
-	if(context)
-	{
-		if(index >= es2::MAX_VERTEX_ATTRIBS)
-		{
-			return error(GL_INVALID_VALUE);
-		}
-
-		const es2::VertexAttribute &attribState = context->getVertexAttribState(index);
-
-		GLint clientVersion = context->getClientVersion();
-
-		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)
-				{
-					float currentValue = attrib.getCurrentValueF(i);
-					params[i] = (GLint)(currentValue > 0.0f ? floor(currentValue + 0.5f) : ceil(currentValue - 0.5f));
-				}
-			}
-			break;
-		case GL_VERTEX_ATTRIB_ARRAY_INTEGER:
-			if(clientVersion >= 3)
-			{
-				switch(attribState.mType)
-				{
-				case GL_BYTE:
-				case GL_UNSIGNED_BYTE:
-				case GL_SHORT:
-				case GL_UNSIGNED_SHORT:
-				case GL_INT:
-				case GL_INT_2_10_10_10_REV:
-				case GL_UNSIGNED_INT:
-				case GL_FIXED:
-					*params = GL_TRUE;
-					break;
-				default:
-					*params = GL_FALSE;
-					break;
-				}
-				break;
-			}
-			else return error(GL_INVALID_ENUM);
-		default: return error(GL_INVALID_ENUM);
-		}
-	}
-}
-
-void GetVertexAttribPointerv(GLuint index, GLenum pname, GLvoid** pointer)
-{
-	TRACE("(GLuint index = %d, GLenum pname = 0x%X, GLvoid** pointer = %p)", index, pname, pointer);
-
-	es2::Context *context = es2::getContext();
-
-	if(context)
-	{
-		if(index >= es2::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));
-	}
-}
-
-void Hint(GLenum target, GLenum mode)
-{
-	TRACE("(GLenum target = 0x%X, GLenum mode = 0x%X)", target, mode);
-
-	switch(mode)
-	{
-	case GL_FASTEST:
-	case GL_NICEST:
-	case GL_DONT_CARE:
-		break;
-	default:
-		return error(GL_INVALID_ENUM);
-	}
-
-	es2::Context *context = es2::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);
-	}
-}
-
-GLboolean IsBuffer(GLuint buffer)
-{
-	TRACE("(GLuint buffer = %d)", buffer);
-
-	es2::Context *context = es2::getContext();
-
-	if(context && buffer)
-	{
-		es2::Buffer *bufferObject = context->getBuffer(buffer);
-
-		if(bufferObject)
-		{
-			return GL_TRUE;
-		}
-	}
-
-	return GL_FALSE;
-}
-
-GLboolean IsEnabled(GLenum cap)
-{
-	TRACE("(GLenum cap = 0x%X)", cap);
-
-	es2::Context *context = es2::getContext();
-
-	if(context)
-	{
-		GLint clientVersion = context->getClientVersion();
-
-		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();
-		case GL_PRIMITIVE_RESTART_FIXED_INDEX:
-			if(clientVersion >= 3)
-			{
-				return context->isPrimitiveRestartFixedIndexEnabled();
-			}
-			else return error(GL_INVALID_ENUM, false);
-		case GL_RASTERIZER_DISCARD:
-			if(clientVersion >= 3)
-			{
-				return context->isRasterizerDiscardEnabled();
-			}
-			else return error(GL_INVALID_ENUM, false);
-		default:
-			return error(GL_INVALID_ENUM, false);
-		}
-	}
-
-	return false;
-}
-
-GLboolean IsFenceNV(GLuint fence)
-{
-	TRACE("(GLuint fence = %d)", fence);
-
-	es2::Context *context = es2::getContext();
-
-	if(context)
-	{
-		es2::Fence *fenceObject = context->getFence(fence);
-
-		if(fenceObject == NULL)
-		{
-			return GL_FALSE;
-		}
-
-		return fenceObject->isFence();
-	}
-
-	return GL_FALSE;
-}
-
-GLboolean IsFramebuffer(GLuint framebuffer)
-{
-	TRACE("(GLuint framebuffer = %d)", framebuffer);
-
-	es2::Context *context = es2::getContext();
-
-	if(context && framebuffer)
-	{
-		es2::Framebuffer *framebufferObject = context->getFramebuffer(framebuffer);
-
-		if(framebufferObject)
-		{
-			return GL_TRUE;
-		}
-	}
-
-	return GL_FALSE;
-}
-
-GLboolean IsProgram(GLuint program)
-{
-	TRACE("(GLuint program = %d)", program);
-
-	es2::Context *context = es2::getContext();
-
-	if(context && program)
-	{
-		es2::Program *programObject = context->getProgram(program);
-
-		if(programObject)
-		{
-			return GL_TRUE;
-		}
-	}
-
-	return GL_FALSE;
-}
-
-GLboolean IsQueryEXT(GLuint name)
-{
-	TRACE("(GLuint name = %d)", name);
-
-	if(name == 0)
-	{
-		return GL_FALSE;
-	}
-
-	es2::Context *context = es2::getContext();
-
-	if(context)
-	{
-		es2::Query *queryObject = context->getQuery(name);
-
-		if(queryObject)
-		{
-			return GL_TRUE;
-		}
-	}
-
-	return GL_FALSE;
-}
-
-GLboolean IsRenderbuffer(GLuint renderbuffer)
-{
-	TRACE("(GLuint renderbuffer = %d)", renderbuffer);
-
-	es2::Context *context = es2::getContext();
-
-	if(context && renderbuffer)
-	{
-		es2::Renderbuffer *renderbufferObject = context->getRenderbuffer(renderbuffer);
-
-		if(renderbufferObject)
-		{
-			return GL_TRUE;
-		}
-	}
-
-	return GL_FALSE;
-}
-
-GLboolean IsShader(GLuint shader)
-{
-	TRACE("(GLuint shader = %d)", shader);
-
-	es2::Context *context = es2::getContext();
-
-	if(context && shader)
-	{
-		es2::Shader *shaderObject = context->getShader(shader);
-
-		if(shaderObject)
-		{
-			return GL_TRUE;
-		}
-	}
-
-	return GL_FALSE;
-}
-
-GLboolean IsTexture(GLuint texture)
-{
-	TRACE("(GLuint texture = %d)", texture);
-
-	es2::Context *context = es2::getContext();
-
-	if(context && texture)
-	{
-		es2::Texture *textureObject = context->getTexture(texture);
-
-		if(textureObject)
-		{
-			return GL_TRUE;
-		}
-	}
-
-	return GL_FALSE;
-}
-
-void LineWidth(GLfloat width)
-{
-	TRACE("(GLfloat width = %f)", width);
-
-	if(width <= 0.0f)
-	{
-		return error(GL_INVALID_VALUE);
-	}
-
-	es2::Context *context = es2::getContext();
-
-	if(context)
-	{
-		context->setLineWidth(width);
-	}
-}
-
-void LinkProgram(GLuint program)
-{
-	TRACE("(GLuint program = %d)", program);
-
-	es2::Context *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);
-			}
-		}
-
-		programObject->link();
-	}
-}
-
-void PixelStorei(GLenum pname, GLint param)
-{
-	TRACE("(GLenum pname = 0x%X, GLint param = %d)", pname, param);
-
-	es2::Context *context = es2::getContext();
-
-	if(context)
-	{
-		GLint clientVersion = context->getClientVersion();
-
-		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;
-		case GL_PACK_ROW_LENGTH:
-			if(clientVersion >= 3)
-			{
-				if(param < 0)
-				{
-					return error(GL_INVALID_VALUE);
-				}
-				context->setPackRowLength(param);
-				break;
-			}
-			else return error(GL_INVALID_ENUM);
-		case GL_PACK_SKIP_PIXELS:
-			if(clientVersion >= 3)
-			{
-				if(param < 0)
-				{
-					return error(GL_INVALID_VALUE);
-				}
-				context->setPackSkipPixels(param);
-				break;
-			}
-			else return error(GL_INVALID_ENUM);
-		case GL_PACK_SKIP_ROWS:
-			if(clientVersion >= 3)
-			{
-				if(param < 0)
-				{
-					return error(GL_INVALID_VALUE);
-				}
-				context->setPackSkipRows(param);
-				break;
-			}
-			else return error(GL_INVALID_ENUM);
-		case GL_UNPACK_ROW_LENGTH:
-			if(clientVersion >= 3)
-			{
-				if(param < 0)
-				{
-					return error(GL_INVALID_VALUE);
-				}
-				context->setUnpackRowLength(param);
-				break;
-			}
-			else return error(GL_INVALID_ENUM);
-		case GL_UNPACK_IMAGE_HEIGHT:
-			if(clientVersion >= 3)
-			{
-				if(param < 0)
-				{
-					return error(GL_INVALID_VALUE);
-				}
-				context->setUnpackImageHeight(param);
-				break;
-			}
-			else return error(GL_INVALID_ENUM);
-		case GL_UNPACK_SKIP_PIXELS:
-			if(clientVersion >= 3)
-			{
-				if(param < 0)
-				{
-					return error(GL_INVALID_VALUE);
-				}
-				context->setUnpackSkipPixels(param);
-				break;
-			}
-			else return error(GL_INVALID_ENUM);
-		case GL_UNPACK_SKIP_ROWS:
-			if(clientVersion >= 3)
-			{
-				if(param < 0)
-				{
-					return error(GL_INVALID_VALUE);
-				}
-				context->setUnpackSkipRows(param);
-				break;
-			}
-			else return error(GL_INVALID_ENUM);
-		case GL_UNPACK_SKIP_IMAGES:
-			if(clientVersion >= 3) {
-				if(param < 0)
-				{
-					return error(GL_INVALID_VALUE);
-				}
-				context->setUnpackSkipImages(param);
-				break;
-			}
-			else return error(GL_INVALID_ENUM);
-		default:
-			return error(GL_INVALID_ENUM);
-		}
-	}
-}
-
-void PolygonOffset(GLfloat factor, GLfloat units)
-{
-	TRACE("(GLfloat factor = %f, GLfloat units = %f)", factor, units);
-
-	es2::Context *context = es2::getContext();
-
-	if(context)
-	{
-		context->setPolygonOffsetParams(factor, units);
-	}
-}
-
-void ReadnPixelsEXT(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 = %p)",
-	      x, y, width, height, format, type, bufSize, data);
-
-	if(width < 0 || height < 0 || bufSize < 0)
-	{
-		return error(GL_INVALID_VALUE);
-	}
-
-	es2::Context *context = es2::getContext();
-
-	if(context)
-	{
-		context->readPixels(x, y, width, height, format, type, &bufSize, data);
-	}
-}
-
-void ReadPixels(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 = %p)",
-	      x, y, width, height, format, type,  pixels);
-
-	if(width < 0 || height < 0)
-	{
-		return error(GL_INVALID_VALUE);
-	}
-
-	es2::Context *context = es2::getContext();
-
-	if(context)
-	{
-		context->readPixels(x, y, width, height, format, type, NULL, pixels);
-	}
-}
-
-void ReleaseShaderCompiler(void)
-{
-	TRACE("()");
-
-	es2::Shader::releaseCompiler();
-}
-
-void RenderbufferStorageMultisampleANGLE(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);
-
-	switch(target)
-	{
-	case GL_RENDERBUFFER:
-		break;
-	default:
-		return error(GL_INVALID_ENUM);
-	}
-
-	if(width < 0 || height < 0 || samples < 0)
-	{
-		return error(GL_INVALID_VALUE);
-	}
-
-	es2::Context *context = es2::getContext();
-
-	if(context)
-	{
-		if(width > es2::IMPLEMENTATION_MAX_RENDERBUFFER_SIZE ||
-		   height > es2::IMPLEMENTATION_MAX_RENDERBUFFER_SIZE ||
-		   samples > es2::IMPLEMENTATION_MAX_SAMPLES)
-		{
-			return error(GL_INVALID_VALUE);
-		}
-
-		GLuint handle = context->getRenderbufferName();
-		if(handle == 0)
-		{
-			return error(GL_INVALID_OPERATION);
-		}
-
-		GLint clientVersion = context->getClientVersion();
-		switch(internalformat)
-		{
-		case GL_DEPTH_COMPONENT32F:
-			if(clientVersion < 3)
-			{
-				return error(GL_INVALID_ENUM);
-			}
-			// fall through
-		case GL_DEPTH_COMPONENT16:
-		case GL_DEPTH_COMPONENT24:
-		case GL_DEPTH_COMPONENT32_OES:
-			context->setRenderbufferStorage(new es2::Depthbuffer(width, height, internalformat, samples));
-			break;
-		case GL_R8:
-		case GL_R8UI:
-		case GL_R8I:
-		case GL_R16UI:
-		case GL_R16I:
-		case GL_R32UI:
-		case GL_R32I:
-		case GL_RG8:
-		case GL_RG8UI:
-		case GL_RG8I:
-		case GL_RG16UI:
-		case GL_RG16I:
-		case GL_RG32UI:
-		case GL_RG32I:
-		case GL_SRGB8_ALPHA8:
-		case GL_RGB10_A2:
-		case GL_RGBA8UI:
-		case GL_RGBA8I:
-		case GL_RGB10_A2UI:
-		case GL_RGBA16UI:
-		case GL_RGBA16I:
-		case GL_RGBA32I:
-		case GL_RGBA32UI:
-		case GL_R11F_G11F_B10F:
-		case GL_R32F:
-		case GL_RG32F:
-		case GL_RGB32F:
-		case GL_RGBA32F:
-			if(clientVersion < 3)
-			{
-				return error(GL_INVALID_ENUM);
-			}
-			// fall through
-		case GL_RGBA4:
-		case GL_RGB5_A1:
-		case GL_RGB565:
-		case GL_RGB8_OES:
-		case GL_RGBA8_OES:
-		case GL_R16F:
-		case GL_RG16F:
-		case GL_RGB16F:
-		case GL_RGBA16F:
-			context->setRenderbufferStorage(new es2::Colorbuffer(width, height, internalformat, samples));
-			break;
-		case GL_STENCIL_INDEX8:
-			context->setRenderbufferStorage(new es2::Stencilbuffer(width, height, samples));
-			break;
-		case GL_DEPTH32F_STENCIL8:
-			if(clientVersion < 3)
-			{
-				return error(GL_INVALID_ENUM);
-			}
-			// fall through
-		case GL_DEPTH24_STENCIL8_OES:
-			context->setRenderbufferStorage(new es2::DepthStencilbuffer(width, height, internalformat, samples));
-			break;
-		default:
-			return error(GL_INVALID_ENUM);
-		}
-	}
-}
-
-void RenderbufferStorage(GLenum target, GLenum internalformat, GLsizei width, GLsizei height)
-{
-	glRenderbufferStorageMultisampleANGLE(target, 0, internalformat, width, height);
-}
-
-void SampleCoverage(GLclampf value, GLboolean invert)
-{
-	TRACE("(GLclampf value = %f, GLboolean invert = %d)", value, invert);
-
-	es2::Context* context = es2::getContext();
-
-	if(context)
-	{
-		context->setSampleCoverageParams(es2::clamp01(value), invert == GL_TRUE);
-	}
-}
-
-void SetFenceNV(GLuint fence, GLenum condition)
-{
-	TRACE("(GLuint fence = %d, GLenum condition = 0x%X)", fence, condition);
-
-	if(condition != GL_ALL_COMPLETED_NV)
-	{
-		return error(GL_INVALID_ENUM);
-	}
-
-	es2::Context *context = es2::getContext();
-
-	if(context)
-	{
-		es2::Fence *fenceObject = context->getFence(fence);
-
-		if(fenceObject == NULL)
-		{
-			return error(GL_INVALID_OPERATION);
-		}
-
-		fenceObject->setFence(condition);
-	}
-}
-
-void Scissor(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);
-
-	if(width < 0 || height < 0)
-	{
-		return error(GL_INVALID_VALUE);
-	}
-
-	es2::Context* context = es2::getContext();
-
-	if(context)
-	{
-		context->setScissorParams(x, y, width, height);
-	}
-}
-
-void ShaderBinary(GLsizei n, const GLuint* shaders, GLenum binaryformat, const GLvoid* binary, GLsizei length)
-{
-	TRACE("(GLsizei n = %d, const GLuint* shaders = %p, GLenum binaryformat = 0x%X, "
-	      "const GLvoid* binary = %p, GLsizei length = %d)",
-	      n, shaders, binaryformat, binary, length);
-
-	// No binary shader formats are supported.
-	return error(GL_INVALID_ENUM);
-}
-
-void ShaderSource(GLuint shader, GLsizei count, const GLchar *const *string, const GLint *length)
-{
-	TRACE("(GLuint shader = %d, GLsizei count = %d, const GLchar** string = %p, const GLint* length = %p)",
-	      shader, count, string, length);
-
-	if(count < 0)
-	{
-		return error(GL_INVALID_VALUE);
-	}
-
-	es2::Context *context = es2::getContext();
-
-	if(context)
-	{
-		es2::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);
-	}
-}
-
-void StencilFunc(GLenum func, GLint ref, GLuint mask)
-{
-	glStencilFuncSeparate(GL_FRONT_AND_BACK, func, ref, mask);
-}
-
-void StencilFuncSeparate(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);
-
-	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);
-	}
-
-	es2::Context *context = es2::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);
-		}
-	}
-}
-
-void StencilMask(GLuint mask)
-{
-	glStencilMaskSeparate(GL_FRONT_AND_BACK, mask);
-}
-
-void StencilMaskSeparate(GLenum face, GLuint mask)
-{
-	TRACE("(GLenum face = 0x%X, GLuint mask = %d)", face, mask);
-
-	switch(face)
-	{
-	case GL_FRONT:
-	case GL_BACK:
-	case GL_FRONT_AND_BACK:
-		break;
-	default:
-		return error(GL_INVALID_ENUM);
-	}
-
-	es2::Context *context = es2::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);
-		}
-	}
-}
-
-void StencilOp(GLenum fail, GLenum zfail, GLenum zpass)
-{
-	glStencilOpSeparate(GL_FRONT_AND_BACK, fail, zfail, zpass);
-}
-
-void StencilOpSeparate(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);
-
-	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);
-	}
-
-	es2::Context *context = es2::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);
-		}
-	}
-}
-
-GLboolean TestFenceNV(GLuint fence)
-{
-	TRACE("(GLuint fence = %d)", fence);
-
-	es2::Context *context = es2::getContext();
-
-	if(context)
-	{
-		es2::Fence *fenceObject = context->getFence(fence);
-
-		if(fenceObject == NULL)
-		{
-			return error(GL_INVALID_OPERATION, GL_TRUE);
-		}
-
-		return fenceObject->testFence();
-	}
-
-	return GL_TRUE;
-}
-
-void TexImage2D(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 =  %p)",
-	      target, level, internalformat, width, height, border, format, type, pixels);
-
-	if(!validImageSize(level, width, height))
-	{
-		return error(GL_INVALID_VALUE);
-	}
-
-	es2::Context *context = es2::getContext();
-
-	if(context)
-	{
-		GLint clientVersion = context->getClientVersion();
-		if(clientVersion < 3)
-		{
-			if(internalformat != (GLint)format)
-			{
-				return error(GL_INVALID_OPERATION);
-			}
-		}
-
-		GLenum validationError = ValidateCompressedFormat(format, clientVersion, false);
-		if(validationError != GL_NONE)
-		{
-			return error(validationError);
-		}
-
-		if(!ValidateTextureFormatType(format, type, internalformat, egl::getClientVersion()))
-		{
-			return;
-		}
-
-		if(border != 0)
-		{
-			return error(GL_INVALID_VALUE);
-		}
-
-		switch(target)
-		{
-		case GL_TEXTURE_2D:
-			if(width > (es2::IMPLEMENTATION_MAX_TEXTURE_SIZE >> level) ||
-			   height > (es2::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 > (es2::IMPLEMENTATION_MAX_CUBE_MAP_TEXTURE_SIZE >> level) ||
-			   height > (es2::IMPLEMENTATION_MAX_CUBE_MAP_TEXTURE_SIZE >> level))
-			{
-				return error(GL_INVALID_VALUE);
-			}
-			break;
-		default:
-			return error(GL_INVALID_ENUM);
-		}
-
-		GLenum sizedInternalFormat = GetSizedInternalFormat(format, type);
-
-		if(target == GL_TEXTURE_2D)
-		{
-			es2::Texture2D *texture = context->getTexture2D();
-
-			if(!texture)
-			{
-				return error(GL_INVALID_OPERATION);
-			}
-
-			texture->setImage(level, width, height, sizedInternalFormat, type, context->getUnpackInfo(), pixels);
-		}
-		else
-		{
-			es2::TextureCubeMap *texture = context->getTextureCubeMap();
-
-			if(!texture)
-			{
-				return error(GL_INVALID_OPERATION);
-			}
-
-			texture->setImage(target, level, width, height, sizedInternalFormat, type, context->getUnpackInfo(), pixels);
-		}
-	}
-}
-
-void TexParameterf(GLenum target, GLenum pname, GLfloat param)
-{
-	TRACE("(GLenum target = 0x%X, GLenum pname = 0x%X, GLfloat param = %f)", target, pname, param);
-
-	es2::Context *context = es2::getContext();
-
-	if(context)
-	{
-		es2::Texture *texture;
-
-		GLint clientVersion = context->getClientVersion();
-
-		switch(target)
-		{
-		case GL_TEXTURE_2D:
-			texture = context->getTexture2D();
-			break;
-		case GL_TEXTURE_2D_ARRAY:
-			if(clientVersion < 3)
-			{
-				return error(GL_INVALID_ENUM);
-			}
-			else
-			{
-				texture = context->getTexture2DArray();
-			}
-			break;
-		case GL_TEXTURE_3D_OES:
-			texture = context->getTexture3D();
-			break;
-		case GL_TEXTURE_CUBE_MAP:
-			texture = context->getTextureCubeMap();
-			break;
-		case GL_TEXTURE_EXTERNAL_OES:
-			texture = context->getTextureExternal();
-			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_WRAP_R_OES:
-			if(!texture->setWrapR((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;
-		case GL_TEXTURE_BASE_LEVEL:
-			if(clientVersion < 3 || !texture->setBaseLevel((GLint)(roundf(param))))
-			{
-				return error(GL_INVALID_VALUE);
-			}
-			break;
-		case GL_TEXTURE_COMPARE_FUNC:
-			if(clientVersion < 3 || !texture->setCompareFunc((GLenum)param))
-			{
-				return error(GL_INVALID_VALUE);
-			}
-			break;
-		case GL_TEXTURE_COMPARE_MODE:
-			if(clientVersion < 3 || !texture->setCompareMode((GLenum)param))
-			{
-				return error(GL_INVALID_VALUE);
-			}
-			break;
-		case GL_TEXTURE_MAX_LEVEL:
-			if(clientVersion < 3 || !texture->setMaxLevel((GLint)(roundf(param))))
-			{
-				return error(GL_INVALID_VALUE);
-			}
-			break;
-		case GL_TEXTURE_MAX_LOD:
-			if(clientVersion < 3 || !texture->setMaxLOD(param))
-			{
-				return error(GL_INVALID_VALUE);
-			}
-			break;
-		case GL_TEXTURE_MIN_LOD:
-			if(clientVersion < 3 || !texture->setMinLOD(param))
-			{
-				return error(GL_INVALID_VALUE);
-			}
-			break;
-		case GL_TEXTURE_SWIZZLE_R:
-			if(clientVersion < 3 || !texture->setSwizzleR((GLenum)param))
-			{
-				return error(GL_INVALID_VALUE);
-			}
-			break;
-		case GL_TEXTURE_SWIZZLE_G:
-			if(clientVersion < 3 || !texture->setSwizzleG((GLenum)param))
-			{
-				return error(GL_INVALID_VALUE);
-			}
-			break;
-		case GL_TEXTURE_SWIZZLE_B:
-			if(clientVersion < 3 || !texture->setSwizzleB((GLenum)param))
-			{
-				return error(GL_INVALID_VALUE);
-			}
-			break;
-		case GL_TEXTURE_SWIZZLE_A:
-			if(clientVersion < 3 || !texture->setSwizzleA((GLenum)param))
-			{
-				return error(GL_INVALID_VALUE);
-			}
-			break;
-		default:
-			return error(GL_INVALID_ENUM);
-		}
-	}
-}
-
-void TexParameterfv(GLenum target, GLenum pname, const GLfloat* params)
-{
-	glTexParameterf(target, pname, *params);
-}
-
-void TexParameteri(GLenum target, GLenum pname, GLint param)
-{
-	TRACE("(GLenum target = 0x%X, GLenum pname = 0x%X, GLint param = %d)", target, pname, param);
-
-	es2::Context *context = es2::getContext();
-
-	if(context)
-	{
-		es2::Texture *texture;
-
-		GLint clientVersion = context->getClientVersion();
-
-		switch(target)
-		{
-		case GL_TEXTURE_2D:
-			texture = context->getTexture2D();
-			break;
-		case GL_TEXTURE_2D_ARRAY:
-			if(clientVersion < 3)
-			{
-				return error(GL_INVALID_ENUM);
-			}
-			else
-			{
-				texture = context->getTexture2DArray();
-			}
-			break;
-		case GL_TEXTURE_3D_OES:
-			texture = context->getTexture3D();
-			break;
-		case GL_TEXTURE_CUBE_MAP:
-			texture = context->getTextureCubeMap();
-			break;
-		case GL_TEXTURE_EXTERNAL_OES:
-			texture = context->getTextureExternal();
-			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_WRAP_R_OES:
-			if(!texture->setWrapR((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;
-		case GL_TEXTURE_BASE_LEVEL:
-			if(clientVersion < 3 || !texture->setBaseLevel(param))
-			{
-				return error(GL_INVALID_VALUE);
-			}
-			break;
-		case GL_TEXTURE_COMPARE_FUNC:
-			if(clientVersion < 3 || !texture->setCompareFunc((GLenum)param))
-			{
-				return error(GL_INVALID_VALUE);
-			}
-			break;
-		case GL_TEXTURE_COMPARE_MODE:
-			if(clientVersion < 3 || !texture->setCompareMode((GLenum)param))
-			{
-				return error(GL_INVALID_VALUE);
-			}
-			break;
-		case GL_TEXTURE_MAX_LEVEL:
-			if(clientVersion < 3 || !texture->setMaxLevel(param))
-			{
-				return error(GL_INVALID_VALUE);
-			}
-			break;
-		case GL_TEXTURE_MAX_LOD:
-			if(clientVersion < 3 || !texture->setMaxLOD((GLfloat)param))
-			{
-				return error(GL_INVALID_VALUE);
-			}
-			break;
-		case GL_TEXTURE_MIN_LOD:
-			if(clientVersion < 3 || !texture->setMinLOD((GLfloat)param))
-			{
-				return error(GL_INVALID_VALUE);
-			}
-			break;
-		case GL_TEXTURE_SWIZZLE_R:
-			if(clientVersion < 3 || !texture->setSwizzleR((GLenum)param))
-			{
-				return error(GL_INVALID_VALUE);
-			}
-			break;
-		case GL_TEXTURE_SWIZZLE_G:
-			if(clientVersion < 3 || !texture->setSwizzleG((GLenum)param))
-			{
-				return error(GL_INVALID_VALUE);
-			}
-			break;
-		case GL_TEXTURE_SWIZZLE_B:
-			if(clientVersion < 3 || !texture->setSwizzleB((GLenum)param))
-			{
-				return error(GL_INVALID_VALUE);
-			}
-			break;
-		case GL_TEXTURE_SWIZZLE_A:
-			if(clientVersion < 3 || !texture->setSwizzleA((GLenum)param))
-			{
-				return error(GL_INVALID_VALUE);
-			}
-			break;
-		default:
-			return error(GL_INVALID_ENUM);
-		}
-	}
-}
-
-void TexParameteriv(GLenum target, GLenum pname, const GLint* params)
-{
-	glTexParameteri(target, pname, *params);
-}
-
-void TexSubImage2D(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 = %p)",
-	      target, level, xoffset, yoffset, width, height, format, type, pixels);
-
-	if(!es2::IsTextureTarget(target))
-	{
-		return error(GL_INVALID_ENUM);
-	}
-
-	if(level < 0 || level >= es2::IMPLEMENTATION_MAX_TEXTURE_LEVELS)
-	{
-		return error(GL_INVALID_VALUE);
-	}
-
-	if(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(!ValidateTextureFormatType(format, type, format, egl::getClientVersion()))
-	{
-		return;
-	}
-
-	if(width == 0 || height == 0 || !pixels)
-	{
-		return;
-	}
-
-	es2::Context *context = es2::getContext();
-
-	if(context)
-	{
-		GLenum sizedInternalFormat = GetSizedInternalFormat(format, type);
-
-		if(target == GL_TEXTURE_2D)
-		{
-			es2::Texture2D *texture = context->getTexture2D();
-
-			GLenum validationError = ValidateSubImageParams(false, width, height, xoffset, yoffset, target, level, sizedInternalFormat, texture);
-
-			if(validationError == GL_NONE)
-			{
-				texture->subImage(level, xoffset, yoffset, width, height, sizedInternalFormat, type, context->getUnpackInfo(), pixels);
-			}
-			else
-			{
-				return error(validationError);
-			}
-		}
-		else if(es2::IsCubemapTextureTarget(target))
-		{
-			es2::TextureCubeMap *texture = context->getTextureCubeMap();
-
-			GLenum validationError = ValidateSubImageParams(false, width, height, xoffset, yoffset, target, level, sizedInternalFormat, texture);
-
-			if(validationError == GL_NONE)
-			{
-				texture->subImage(target, level, xoffset, yoffset, width, height, sizedInternalFormat, type, context->getUnpackInfo(), pixels);
-			}
-			else
-			{
-				return error(validationError);
-			}
-		}
-		else UNREACHABLE(target);
-	}
-}
-
-void Uniform1f(GLint location, GLfloat x)
-{
-	glUniform1fv(location, 1, &x);
-}
-
-void Uniform1fv(GLint location, GLsizei count, const GLfloat* v)
-{
-	TRACE("(GLint location = %d, GLsizei count = %d, const GLfloat* v = %p)", location, count, v);
-
-	if(count < 0)
-	{
-		return error(GL_INVALID_VALUE);
-	}
-
-	if(location == -1)
-	{
-		return;
-	}
-
-	es2::Context *context = es2::getContext();
-
-	if(context)
-	{
-		es2::Program *program = context->getCurrentProgram();
-
-		if(!program)
-		{
-			return error(GL_INVALID_OPERATION);
-		}
-
-		if(!program->setUniform1fv(location, count, v))
-		{
-			return error(GL_INVALID_OPERATION);
-		}
-	}
-}
-
-void Uniform1i(GLint location, GLint x)
-{
-	glUniform1iv(location, 1, &x);
-}
-
-void Uniform1iv(GLint location, GLsizei count, const GLint* v)
-{
-	TRACE("(GLint location = %d, GLsizei count = %d, const GLint* v = %p)", location, count, v);
-
-	if(count < 0)
-	{
-		return error(GL_INVALID_VALUE);
-	}
-
-	if(location == -1)
-	{
-		return;
-	}
-
-	es2::Context *context = es2::getContext();
-
-	if(context)
-	{
-		es2::Program *program = context->getCurrentProgram();
-
-		if(!program)
-		{
-			return error(GL_INVALID_OPERATION);
-		}
-
-		if(!program->setUniform1iv(location, count, v))
-		{
-			return error(GL_INVALID_OPERATION);
-		}
-	}
-}
-
-void Uniform2f(GLint location, GLfloat x, GLfloat y)
-{
-	GLfloat xy[2] = {x, y};
-
-	glUniform2fv(location, 1, (GLfloat*)&xy);
-}
-
-void Uniform2fv(GLint location, GLsizei count, const GLfloat* v)
-{
-	TRACE("(GLint location = %d, GLsizei count = %d, const GLfloat* v = %p)", location, count, v);
-
-	if(count < 0)
-	{
-		return error(GL_INVALID_VALUE);
-	}
-
-	if(location == -1)
-	{
-		return;
-	}
-
-	es2::Context *context = es2::getContext();
-
-	if(context)
-	{
-		es2::Program *program = context->getCurrentProgram();
-
-		if(!program)
-		{
-			return error(GL_INVALID_OPERATION);
-		}
-
-		if(!program->setUniform2fv(location, count, v))
-		{
-			return error(GL_INVALID_OPERATION);
-		}
-	}
-}
-
-void Uniform2i(GLint location, GLint x, GLint y)
-{
-	GLint xy[4] = {x, y};
-
-	glUniform2iv(location, 1, (GLint*)&xy);
-}
-
-void Uniform2iv(GLint location, GLsizei count, const GLint* v)
-{
-	TRACE("(GLint location = %d, GLsizei count = %d, const GLint* v = %p)", location, count, v);
-
-	if(count < 0)
-	{
-		return error(GL_INVALID_VALUE);
-	}
-
-	if(location == -1)
-	{
-		return;
-	}
-
-	es2::Context *context = es2::getContext();
-
-	if(context)
-	{
-		es2::Program *program = context->getCurrentProgram();
-
-		if(!program)
-		{
-			return error(GL_INVALID_OPERATION);
-		}
-
-		if(!program->setUniform2iv(location, count, v))
-		{
-			return error(GL_INVALID_OPERATION);
-		}
-	}
-}
-
-void Uniform3f(GLint location, GLfloat x, GLfloat y, GLfloat z)
-{
-	GLfloat xyz[3] = {x, y, z};
-
-	glUniform3fv(location, 1, (GLfloat*)&xyz);
-}
-
-void Uniform3fv(GLint location, GLsizei count, const GLfloat* v)
-{
-	TRACE("(GLint location = %d, GLsizei count = %d, const GLfloat* v = %p)", location, count, v);
-
-	if(count < 0)
-	{
-		return error(GL_INVALID_VALUE);
-	}
-
-	if(location == -1)
-	{
-		return;
-	}
-
-	es2::Context *context = es2::getContext();
-
-	if(context)
-	{
-		es2::Program *program = context->getCurrentProgram();
-
-		if(!program)
-		{
-			return error(GL_INVALID_OPERATION);
-		}
-
-		if(!program->setUniform3fv(location, count, v))
-		{
-			return error(GL_INVALID_OPERATION);
-		}
-	}
-}
-
-void Uniform3i(GLint location, GLint x, GLint y, GLint z)
-{
-	GLint xyz[3] = {x, y, z};
-
-	glUniform3iv(location, 1, (GLint*)&xyz);
-}
-
-void Uniform3iv(GLint location, GLsizei count, const GLint* v)
-{
-	TRACE("(GLint location = %d, GLsizei count = %d, const GLint* v = %p)", location, count, v);
-
-	if(count < 0)
-	{
-		return error(GL_INVALID_VALUE);
-	}
-
-	if(location == -1)
-	{
-		return;
-	}
-
-	es2::Context *context = es2::getContext();
-
-	if(context)
-	{
-		es2::Program *program = context->getCurrentProgram();
-
-		if(!program)
-		{
-			return error(GL_INVALID_OPERATION);
-		}
-
-		if(!program->setUniform3iv(location, count, v))
-		{
-			return error(GL_INVALID_OPERATION);
-		}
-	}
-}
-
-void Uniform4f(GLint location, GLfloat x, GLfloat y, GLfloat z, GLfloat w)
-{
-	GLfloat xyzw[4] = {x, y, z, w};
-
-	glUniform4fv(location, 1, (GLfloat*)&xyzw);
-}
-
-void Uniform4fv(GLint location, GLsizei count, const GLfloat* v)
-{
-	TRACE("(GLint location = %d, GLsizei count = %d, const GLfloat* v = %p)", location, count, v);
-
-	if(count < 0)
-	{
-		return error(GL_INVALID_VALUE);
-	}
-
-	if(location == -1)
-	{
-		return;
-	}
-
-	es2::Context *context = es2::getContext();
-
-	if(context)
-	{
-		es2::Program *program = context->getCurrentProgram();
-
-		if(!program)
-		{
-			return error(GL_INVALID_OPERATION);
-		}
-
-		if(!program->setUniform4fv(location, count, v))
-		{
-			return error(GL_INVALID_OPERATION);
-		}
-	}
-}
-
-void Uniform4i(GLint location, GLint x, GLint y, GLint z, GLint w)
-{
-	GLint xyzw[4] = {x, y, z, w};
-
-	glUniform4iv(location, 1, (GLint*)&xyzw);
-}
-
-void Uniform4iv(GLint location, GLsizei count, const GLint* v)
-{
-	TRACE("(GLint location = %d, GLsizei count = %d, const GLint* v = %p)", location, count, v);
-
-	if(count < 0)
-	{
-		return error(GL_INVALID_VALUE);
-	}
-
-	if(location == -1)
-	{
-		return;
-	}
-
-	es2::Context *context = es2::getContext();
-
-	if(context)
-	{
-		es2::Program *program = context->getCurrentProgram();
-
-		if(!program)
-		{
-			return error(GL_INVALID_OPERATION);
-		}
-
-		if(!program->setUniform4iv(location, count, v))
-		{
-			return error(GL_INVALID_OPERATION);
-		}
-	}
-}
-
-void UniformMatrix2fv(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);
-	}
-
-	if(location == -1)
-	{
-		return;
-	}
-
-	es2::Context *context = es2::getContext();
-
-	if(context)
-	{
-		if(context->getClientVersion() < 3 && transpose != GL_FALSE)
-		{
-			return error(GL_INVALID_VALUE);
-		}
-
-		es2::Program *program = context->getCurrentProgram();
-
-		if(!program)
-		{
-			return error(GL_INVALID_OPERATION);
-		}
-
-		if(!program->setUniformMatrix2fv(location, count, transpose, value))
-		{
-			return error(GL_INVALID_OPERATION);
-		}
-	}
-}
-
-void UniformMatrix3fv(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);
-	}
-
-	if(location == -1)
-	{
-		return;
-	}
-
-	es2::Context *context = es2::getContext();
-
-	if(context)
-	{
-		if(context->getClientVersion() < 3 && transpose != GL_FALSE)
-		{
-			return error(GL_INVALID_VALUE);
-		}
-
-		es2::Program *program = context->getCurrentProgram();
-
-		if(!program)
-		{
-			return error(GL_INVALID_OPERATION);
-		}
-
-		if(!program->setUniformMatrix3fv(location, count, transpose, value))
-		{
-			return error(GL_INVALID_OPERATION);
-		}
-	}
-}
-
-void UniformMatrix4fv(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);
-	}
-
-	if(location == -1)
-	{
-		return;
-	}
-
-	es2::Context *context = es2::getContext();
-
-	if(context)
-	{
-		if(context->getClientVersion() < 3 && transpose != GL_FALSE)
-		{
-			return error(GL_INVALID_VALUE);
-		}
-
-		es2::Program *program = context->getCurrentProgram();
-
-		if(!program)
-		{
-			return error(GL_INVALID_OPERATION);
-		}
-
-		if(!program->setUniformMatrix4fv(location, count, transpose, value))
-		{
-			return error(GL_INVALID_OPERATION);
-		}
-	}
-}
-
-void UseProgram(GLuint program)
-{
-	TRACE("(GLuint program = %d)", program);
-
-	es2::Context *context = es2::getContext();
-
-	if(context)
-	{
-		es2::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);
-	}
-}
-
-void ValidateProgram(GLuint program)
-{
-	TRACE("(GLuint program = %d)", program);
-
-	es2::Context *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);
-			}
-		}
-
-		programObject->validate();
-	}
-}
-
-void VertexAttrib1f(GLuint index, GLfloat x)
-{
-	TRACE("(GLuint index = %d, GLfloat x = %f)", index, x);
-
-	if(index >= es2::MAX_VERTEX_ATTRIBS)
-	{
-		return error(GL_INVALID_VALUE);
-	}
-
-	es2::Context *context = es2::getContext();
-
-	if(context)
-	{
-		GLfloat vals[4] = { x, 0, 0, 1 };
-		context->setVertexAttrib(index, vals);
-	}
-}
-
-void VertexAttrib1fv(GLuint index, const GLfloat* values)
-{
-	TRACE("(GLuint index = %d, const GLfloat* values = %p)", index, values);
-
-	if(index >= es2::MAX_VERTEX_ATTRIBS)
-	{
-		return error(GL_INVALID_VALUE);
-	}
-
-	es2::Context *context = es2::getContext();
-
-	if(context)
-	{
-		GLfloat vals[4] = { values[0], 0, 0, 1 };
-		context->setVertexAttrib(index, vals);
-	}
-}
-
-void VertexAttrib2f(GLuint index, GLfloat x, GLfloat y)
-{
-	TRACE("(GLuint index = %d, GLfloat x = %f, GLfloat y = %f)", index, x, y);
-
-	if(index >= es2::MAX_VERTEX_ATTRIBS)
-	{
-		return error(GL_INVALID_VALUE);
-	}
-
-	es2::Context *context = es2::getContext();
-
-	if(context)
-	{
-		GLfloat vals[4] = { x, y, 0, 1 };
-		context->setVertexAttrib(index, vals);
-	}
-}
-
-void VertexAttrib2fv(GLuint index, const GLfloat* values)
-{
-	TRACE("(GLuint index = %d, const GLfloat* values = %p)", index, values);
-
-	if(index >= es2::MAX_VERTEX_ATTRIBS)
-	{
-		return error(GL_INVALID_VALUE);
-	}
-
-	es2::Context *context = es2::getContext();
-
-	if(context)
-	{
-		GLfloat vals[4] = { values[0], values[1], 0, 1 };
-		context->setVertexAttrib(index, vals);
-	}
-}
-
-void VertexAttrib3f(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);
-
-	if(index >= es2::MAX_VERTEX_ATTRIBS)
-	{
-		return error(GL_INVALID_VALUE);
-	}
-
-	es2::Context *context = es2::getContext();
-
-	if(context)
-	{
-		GLfloat vals[4] = { x, y, z, 1 };
-		context->setVertexAttrib(index, vals);
-	}
-}
-
-void VertexAttrib3fv(GLuint index, const GLfloat* values)
-{
-	TRACE("(GLuint index = %d, const GLfloat* values = %p)", index, values);
-
-	if(index >= es2::MAX_VERTEX_ATTRIBS)
-	{
-		return error(GL_INVALID_VALUE);
-	}
-
-	es2::Context *context = es2::getContext();
-
-	if(context)
-	{
-		GLfloat vals[4] = { values[0], values[1], values[2], 1 };
-		context->setVertexAttrib(index, vals);
-	}
-}
-
-void VertexAttrib4f(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);
-
-	if(index >= es2::MAX_VERTEX_ATTRIBS)
-	{
-		return error(GL_INVALID_VALUE);
-	}
-
-	es2::Context *context = es2::getContext();
-
-	if(context)
-	{
-		GLfloat vals[4] = { x, y, z, w };
-		context->setVertexAttrib(index, vals);
-	}
-}
-
-void VertexAttrib4fv(GLuint index, const GLfloat* values)
-{
-	TRACE("(GLuint index = %d, const GLfloat* values = %p)", index, values);
-
-	if(index >= es2::MAX_VERTEX_ATTRIBS)
-	{
-		return error(GL_INVALID_VALUE);
-	}
-
-	es2::Context *context = es2::getContext();
-
-	if(context)
-	{
-		context->setVertexAttrib(index, values);
-	}
-}
-
-void VertexAttribPointer(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 = %p)",
-	      index, size, type, normalized, stride, ptr);
-
-	if(index >= es2::MAX_VERTEX_ATTRIBS)
-	{
-		return error(GL_INVALID_VALUE);
-	}
-
-	if(size < 1 || size > 4)
-	{
-		return error(GL_INVALID_VALUE);
-	}
-
-	GLint clientVersion = egl::getClientVersion();
-
-	switch(type)
-	{
-	case GL_BYTE:
-	case GL_UNSIGNED_BYTE:
-	case GL_SHORT:
-	case GL_UNSIGNED_SHORT:
-	case GL_FIXED:
-	case GL_FLOAT:
-		break;
-	case GL_INT_2_10_10_10_REV:
-	case GL_UNSIGNED_INT_2_10_10_10_REV:
-		if(clientVersion >= 3)
-		{
-			if(size != 4)
-			{
-				return error(GL_INVALID_OPERATION);
-			}
-			break;
-		}
-		else return error(GL_INVALID_ENUM);
-	case GL_INT:
-	case GL_UNSIGNED_INT:
-	case GL_HALF_FLOAT:
-		if(clientVersion >= 3)
-		{
-			break;
-		}
-		else return error(GL_INVALID_ENUM);
-	default:
-		return error(GL_INVALID_ENUM);
-	}
-
-	if(stride < 0)
-	{
-		return error(GL_INVALID_VALUE);
-	}
-
-	es2::Context *context = es2::getContext();
-
-	if(context)
-	{
-		context->setVertexAttribState(index, context->getArrayBuffer(), size, type, (normalized == GL_TRUE), stride, ptr);
-	}
-}
-
-void Viewport(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);
-
-	if(width < 0 || height < 0)
-	{
-		return error(GL_INVALID_VALUE);
-	}
-
-	es2::Context *context = es2::getContext();
-
-	if(context)
-	{
-		context->setViewportParams(x, y, width, height);
-	}
-}
-
-void BlitFramebufferNV(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);
-
-	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);
-	}
-
-	es2::Context *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);
-	}
-}
-
-void BlitFramebufferANGLE(GLint srcX0, GLint srcY0, GLint srcX1, GLint srcY1, GLint dstX0, GLint dstY0, GLint dstX1, GLint dstY1,
-                          GLbitfield mask, GLenum filter)
-{
-	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);
-	}
-
-	glBlitFramebufferNV(srcX0, srcY0, srcX1, srcY1, dstX0, dstY0, dstX1, dstY1, mask, filter);
-}
-
-void TexImage3DOES(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 = %p)",
-	      target, level, internalformat, width, height, depth, border, format, type, pixels);
-
-	switch(target)
-	{
-	case GL_TEXTURE_3D_OES:
-		switch(format)
-		{
-		case GL_DEPTH_COMPONENT:
-		case GL_DEPTH_STENCIL_OES:
-			return error(GL_INVALID_OPERATION);
-		default:
-			break;
-		}
-		break;
-	default:
-		return error(GL_INVALID_ENUM);
-	}
-
-	if(!ValidateTextureFormatType(format, type, internalformat, egl::getClientVersion()))
-	{
-		return;
-	}
-
-	if((level < 0) || (level >= es2::IMPLEMENTATION_MAX_TEXTURE_LEVELS))
-	{
-		return error(GL_INVALID_VALUE);
-	}
-
-	const GLsizei maxSize3D = es2::IMPLEMENTATION_MAX_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);
-	}
-
-	es2::Context *context = es2::getContext();
-
-	if(context)
-	{
-		es2::Texture3D *texture = context->getTexture3D();
-
-		if(!texture)
-		{
-			return error(GL_INVALID_OPERATION);
-		}
-
-		texture->setImage(level, width, height, depth, GetSizedInternalFormat(internalformat, type), type, context->getUnpackInfo(), pixels);
-	}
-}
-
-void TexSubImage3DOES(GLenum target, GLint level, GLint xoffset, GLint yoffset, GLint zoffset, GLsizei width, GLsizei height, GLsizei depth, GLenum format, GLenum type, const void *pixels)
-{
-	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* pixels = %p)",
-	      target, level, xoffset, yoffset, zoffset, width, height, depth, format, type, pixels);
-
-	switch(target)
-	{
-	case GL_TEXTURE_3D_OES:
-		break;
-	default:
-		return error(GL_INVALID_ENUM);
-	}
-
-	if(!ValidateTextureFormatType(format, type, format, egl::getClientVersion()))
-	{
-		return;
-	}
-
-	if((level < 0) || (level >= es2::IMPLEMENTATION_MAX_TEXTURE_LEVELS))
-	{
-		return error(GL_INVALID_VALUE);
-	}
-
-	if((width < 0) || (height < 0) || (depth < 0))
-	{
-		return error(GL_INVALID_VALUE);
-	}
-
-	es2::Context *context = es2::getContext();
-
-	if(context)
-	{
-		es2::Texture3D *texture = context->getTexture3D();
-
-		GLenum sizedInternalFormat = GetSizedInternalFormat(format, type);
-
-		GLenum validationError = ValidateSubImageParams(false, width, height, depth, xoffset, yoffset, zoffset, target, level, sizedInternalFormat, texture);
-		if(validationError == GL_NONE)
-		{
-			texture->subImage(level, xoffset, yoffset, zoffset, width, height, depth, sizedInternalFormat, type, context->getUnpackInfo(), pixels);
-		}
-		else
-		{
-			return error(validationError);
-		}
-	}
-}
-
-void CopyTexSubImage3DOES(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_OES:
-		break;
-	default:
-		return error(GL_INVALID_ENUM);
-	}
-
-	if((level < 0) || (level >= es2::IMPLEMENTATION_MAX_TEXTURE_LEVELS))
-	{
-		return error(GL_INVALID_VALUE);
-	}
-
-	es2::Context *context = es2::getContext();
-
-	if(context)
-	{
-		es2::Framebuffer *framebuffer = context->getReadFramebuffer();
-
-		if(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);
-		}
-
-		es2::Texture3D *texture = context->getTexture3D();
-
-		GLenum validationError = ValidateSubImageParams(false, width, height, 1, xoffset, yoffset, zoffset, target, level, GL_NONE, texture);
-
-		if(validationError != GL_NONE)
-		{
-			return error(validationError);
-		}
-
-		texture->copySubImage(target, level, xoffset, yoffset, zoffset, x, y, width, height, framebuffer);
-	}
-}
-
-void CompressedTexImage3DOES(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_OES:
-		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_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);
-	}
-
-	switch(internalformat)
-	{
-	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:
-		{
-			GLenum validationError = ValidateCompressedFormat(internalformat, egl::getClientVersion(), true);
-			if(validationError != GL_NONE)
-			{
-				return error(validationError);
-			}
-		}
-	}
-
-	if(imageSize != egl::ComputeCompressedSize(width, height, internalformat) * depth)
-	{
-		return error(GL_INVALID_VALUE);
-	}
-
-	es2::Context *context = es2::getContext();
-
-	if(context)
-	{
-		es2::Texture3D *texture = context->getTexture3D();
-
-		if(!texture)
-		{
-			return error(GL_INVALID_OPERATION);
-		}
-
-		texture->setCompressedImage(level, internalformat, width, height, depth, imageSize, data);
-	}
-}
-
-void CompressedTexSubImage3DOES(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_OES:
-		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);
-	}
-
-	GLenum validationError = ValidateCompressedFormat(format, egl::getClientVersion(), true);
-	if(validationError != GL_NONE)
-	{
-		return error(validationError);
-	}
-
-	if(width == 0 || height == 0 || depth == 0 || !data)
-	{
-		return;
-	}
-
-	es2::Context *context = es2::getContext();
-
-	if(context)
-	{
-		es2::Texture3D *texture = context->getTexture3D();
-
-		if(!texture)
-		{
-			return error(GL_INVALID_OPERATION);
-		}
-
-		texture->subImageCompressed(level, xoffset, yoffset, zoffset, width, height, depth, format, imageSize, data);
-	}
-}
-
-void FramebufferTexture3DOES(GLenum target, GLenum attachment, GLenum textarget, GLuint texture, GLint level, GLint zoffset)
-{
-	TRACE("(GLenum target = 0x%X, GLenum attachment = 0x%X, GLenum textarget = 0x%X, "
-	      "GLuint texture = %d, GLint level = %d, GLint zoffset = %d)", target, attachment, textarget, texture, level, zoffset);
-
-	if(target != GL_FRAMEBUFFER && target != GL_DRAW_FRAMEBUFFER_ANGLE && target != GL_READ_FRAMEBUFFER_ANGLE)
-	{
-		return error(GL_INVALID_ENUM);
-	}
-
-	es2::Context *context = es2::getContext();
-
-	if(context)
-	{
-		if(texture == 0)
-		{
-			textarget = GL_NONE;
-		}
-		else
-		{
-			es2::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_3D_OES:
-				if(tex->getTarget() != GL_TEXTURE_3D_OES)
-				{
-					return error(GL_INVALID_OPERATION);
-				}
-				break;
-			default:
-				return error(GL_INVALID_ENUM);
-			}
-
-			if(level != 0)
-			{
-				return error(GL_INVALID_VALUE);
-			}
-		}
-
-		es2::Framebuffer *framebuffer = NULL;
-		GLuint framebufferName = 0;
-		if(target == GL_READ_FRAMEBUFFER_ANGLE)
-		{
-			framebuffer = context->getReadFramebuffer();
-			framebufferName = context->getReadFramebufferName();
-		}
-		else
-		{
-			framebuffer = context->getDrawFramebuffer();
-			framebufferName = context->getDrawFramebufferName();
-		}
-
-		if(framebufferName == 0 || !framebuffer)
-		{
-			return error(GL_INVALID_OPERATION);
-		}
-
-		GLint clientVersion = context->getClientVersion();
-
-		switch(attachment)
-		{
-		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:
-			if(clientVersion < 3)
-			{
-				return error(GL_INVALID_ENUM);
-			}
-			// fall through
-		case GL_COLOR_ATTACHMENT0:
-			if((attachment - GL_COLOR_ATTACHMENT0) >= MAX_COLOR_ATTACHMENTS)
-			{
-				return error(GL_INVALID_ENUM);
-			}
-			framebuffer->setColorbuffer(textarget, texture, attachment - GL_COLOR_ATTACHMENT0);
-			break;
-		case GL_DEPTH_ATTACHMENT:   framebuffer->setDepthbuffer(textarget, texture);   break;
-		case GL_STENCIL_ATTACHMENT: framebuffer->setStencilbuffer(textarget, texture); break;
-		default:
-			return error(GL_INVALID_ENUM);
-		}
-	}
-}
-
-void EGLImageTargetTexture2DOES(GLenum target, GLeglImageOES image)
-{
-	if(egl::getClientVersion() == 1)
-	{
-		return libGLES_CM->glEGLImageTargetTexture2DOES(target, image);
-	}
-
-	TRACE("(GLenum target = 0x%X, GLeglImageOES image = %p)", target, image);
-
-	switch(target)
-	{
-	case GL_TEXTURE_2D:
-	case GL_TEXTURE_EXTERNAL_OES:
-		break;
-	default:
-		return error(GL_INVALID_ENUM);
-	}
-
-	if(!image)
-	{
-		return error(GL_INVALID_OPERATION);
-	}
-
-	es2::Context *context = es2::getContext();
-
-	if(context)
-	{
-		es2::Texture2D *texture = 0;
-
-		switch(target)
-		{
-		case GL_TEXTURE_2D:           texture = context->getTexture2D();       break;
-		case GL_TEXTURE_EXTERNAL_OES: texture = context->getTextureExternal(); break;
-		default:                      UNREACHABLE(target);
-		}
-
-		if(!texture)
-		{
-			return error(GL_INVALID_OPERATION);
-		}
-
-		egl::Image *glImage = static_cast<egl::Image*>(image);
-
-		texture->setImage(glImage);
-	}
-}
-
-void EGLImageTargetRenderbufferStorageOES(GLenum target, GLeglImageOES image)
-{
-	TRACE("(GLenum target = 0x%X, GLeglImageOES image = %p)", target, image);
-
-	UNIMPLEMENTED();
-}
-
-GLboolean IsRenderbufferOES(GLuint renderbuffer)
-{
-	return IsRenderbuffer(renderbuffer);
-}
-
-void BindRenderbufferOES(GLenum target, GLuint renderbuffer)
-{
-	BindRenderbuffer(target, renderbuffer);
-}
-
-void DeleteRenderbuffersOES(GLsizei n, const GLuint* renderbuffers)
-{
-	DeleteRenderbuffers(n, renderbuffers);
-}
-
-void GenRenderbuffersOES(GLsizei n, GLuint* renderbuffers)
-{
-	GenRenderbuffers(n, renderbuffers);
-}
-
-void RenderbufferStorageOES(GLenum target, GLenum internalformat, GLsizei width, GLsizei height)
-{
-	RenderbufferStorage(target, internalformat, width, height);
-}
-
-void GetRenderbufferParameterivOES(GLenum target, GLenum pname, GLint* params)
-{
-	GetRenderbufferParameteriv(target, pname, params);
-}
-
-GLboolean IsFramebufferOES(GLuint framebuffer)
-{
-	return IsFramebuffer(framebuffer);
-}
-
-void BindFramebufferOES(GLenum target, GLuint framebuffer)
-{
-	BindFramebuffer(target, framebuffer);
-}
-
-void DeleteFramebuffersOES(GLsizei n, const GLuint* framebuffers)
-{
-	DeleteFramebuffers(n, framebuffers);
-}
-
-void GenFramebuffersOES(GLsizei n, GLuint* framebuffers)
-{
-	GenFramebuffers(n, framebuffers);
-}
-
-GLenum CheckFramebufferStatusOES(GLenum target)
-{
-	return CheckFramebufferStatus(target);
-}
-
-void FramebufferRenderbufferOES(GLenum target, GLenum attachment, GLenum renderbuffertarget, GLuint renderbuffer)
-{
-	FramebufferRenderbuffer(target, attachment, renderbuffertarget, renderbuffer);
-}
-
-void FramebufferTexture2DOES(GLenum target, GLenum attachment, GLenum textarget, GLuint texture, GLint level)
-{
-	FramebufferTexture2D(target, attachment, textarget, texture, level);
-}
-
-void GetFramebufferAttachmentParameterivOES(GLenum target, GLenum attachment, GLenum pname, GLint* params)
-{
-	GetFramebufferAttachmentParameteriv(target, attachment, pname, params);
-}
-
-void GenerateMipmapOES(GLenum target)
-{
-	GenerateMipmap(target);
-}
-
-void DrawBuffersEXT(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);
-	}
-
-	es2::Context *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_EXT:
-			case GL_COLOR_ATTACHMENT1_EXT:
-			case GL_COLOR_ATTACHMENT2_EXT:
-			case GL_COLOR_ATTACHMENT3_EXT:
-			case GL_COLOR_ATTACHMENT4_EXT:
-			case GL_COLOR_ATTACHMENT5_EXT:
-			case GL_COLOR_ATTACHMENT6_EXT:
-			case GL_COLOR_ATTACHMENT7_EXT:
-			case GL_COLOR_ATTACHMENT8_EXT:
-			case GL_COLOR_ATTACHMENT9_EXT:
-			case GL_COLOR_ATTACHMENT10_EXT:
-			case GL_COLOR_ATTACHMENT11_EXT:
-			case GL_COLOR_ATTACHMENT12_EXT:
-			case GL_COLOR_ATTACHMENT13_EXT:
-			case GL_COLOR_ATTACHMENT14_EXT:
-			case GL_COLOR_ATTACHMENT15_EXT:
-				{
-					GLuint index = (bufs[i] - GL_COLOR_ATTACHMENT0_EXT);
-
-					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);
-	}
-}
-
-}
-
-extern "C" __eglMustCastToProperFunctionPointerType es2GetProcAddress(const char *procname)
-{
-	struct Extension
-	{
-		const char *name;
-		__eglMustCastToProperFunctionPointerType address;
-	};
-
-	static const Extension glExtensions[] =
-	{
-		#define EXTENSION(name) {#name, (__eglMustCastToProperFunctionPointerType)name}
-
-		EXTENSION(glTexImage3DOES),
-		EXTENSION(glBlitFramebufferANGLE),
-		EXTENSION(glBlitFramebufferNV),
-		EXTENSION(glRenderbufferStorageMultisampleANGLE),
-		EXTENSION(glDeleteFencesNV),
-		EXTENSION(glGenFencesNV),
-		EXTENSION(glIsFenceNV),
-		EXTENSION(glTestFenceNV),
-		EXTENSION(glGetFenceivNV),
-		EXTENSION(glFinishFenceNV),
-		EXTENSION(glSetFenceNV),
-		EXTENSION(glGetGraphicsResetStatusEXT),
-		EXTENSION(glReadnPixelsEXT),
-		EXTENSION(glGetnUniformfvEXT),
-		EXTENSION(glGetnUniformivEXT),
-		EXTENSION(glGenQueriesEXT),
-		EXTENSION(glDeleteQueriesEXT),
-		EXTENSION(glIsQueryEXT),
-		EXTENSION(glBeginQueryEXT),
-		EXTENSION(glEndQueryEXT),
-		EXTENSION(glGetQueryivEXT),
-		EXTENSION(glGetQueryObjectuivEXT),
-		EXTENSION(glEGLImageTargetTexture2DOES),
-		EXTENSION(glEGLImageTargetRenderbufferStorageOES),
-		EXTENSION(glDrawElementsInstancedEXT),
-		EXTENSION(glDrawArraysInstancedEXT),
-		EXTENSION(glVertexAttribDivisorEXT),
-		EXTENSION(glDrawArraysInstancedANGLE),
-		EXTENSION(glDrawElementsInstancedANGLE),
-		EXTENSION(glVertexAttribDivisorANGLE),
-		EXTENSION(glIsRenderbufferOES),
-		EXTENSION(glBindRenderbufferOES),
-		EXTENSION(glDeleteRenderbuffersOES),
-		EXTENSION(glGenRenderbuffersOES),
-		EXTENSION(glRenderbufferStorageOES),
-		EXTENSION(glGetRenderbufferParameterivOES),
-		EXTENSION(glIsFramebufferOES),
-		EXTENSION(glBindFramebufferOES),
-		EXTENSION(glDeleteFramebuffersOES),
-		EXTENSION(glGenFramebuffersOES),
-		EXTENSION(glCheckFramebufferStatusOES),
-		EXTENSION(glFramebufferRenderbufferOES),
-		EXTENSION(glFramebufferTexture2DOES),
-		EXTENSION(glGetFramebufferAttachmentParameterivOES),
-		EXTENSION(glGenerateMipmapOES),
-		EXTENSION(glDrawBuffersEXT),
-
-		#undef EXTENSION
-	};
-
-	for(unsigned int ext = 0; ext < sizeof(glExtensions) / sizeof(Extension); ext++)
-	{
-		if(strcmp(procname, glExtensions[ext].name) == 0)
-		{
-			return (__eglMustCastToProperFunctionPointerType)glExtensions[ext].address;
-		}
-	}
-
-	return NULL;
-}
+// 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.
+// 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 "TransformFeedback.h"
+#include "common/debug.h"
+#include "Common/Version.h"
+
+#include <GLES2/gl2.h>
+#include <GLES2/gl2ext.h>
+#include <GLES3/gl3.h>
+
+#include <limits>
+
+#ifdef ANDROID
+#include <cutils/log.h>
+#endif
+
+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 validateColorBufferFormat(GLenum textureFormat, GLenum colorbufferFormat)
+{
+	GLenum validationError = ValidateCompressedFormat(textureFormat, egl::getClientVersion(), false);
+	if(validationError != GL_NONE)
+	{
+		return error(validationError, false);
+	}
+
+	// [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 &&
+		   colorbufferFormat != GL_BGRA8_EXT &&
+		   colorbufferFormat != GL_RGBA16F_EXT &&
+		   colorbufferFormat != GL_RGBA32F_EXT)
+		{
+			return error(GL_INVALID_OPERATION, false);
+		}
+		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 &&
+		   colorbufferFormat != GL_RGB16F_EXT &&
+		   colorbufferFormat != GL_RGB32F_EXT &&
+		   colorbufferFormat != GL_BGRA8_EXT &&
+		   colorbufferFormat != GL_RGBA16F_EXT &&
+		   colorbufferFormat != GL_RGBA32F_EXT)
+		{
+			return error(GL_INVALID_OPERATION, false);
+		}
+		break;
+	case GL_LUMINANCE_ALPHA:
+	case GL_RGBA:
+		if(colorbufferFormat != GL_RGBA &&
+		   colorbufferFormat != GL_RGBA4 &&
+		   colorbufferFormat != GL_RGB5_A1 &&
+		   colorbufferFormat != GL_RGBA8_OES &&
+		   colorbufferFormat != GL_BGRA8_EXT &&
+		   colorbufferFormat != GL_RGBA16F_EXT &&
+		   colorbufferFormat != GL_RGBA32F_EXT)
+		{
+			return error(GL_INVALID_OPERATION, false);
+		}
+		break;
+	case GL_DEPTH_COMPONENT:
+	case GL_DEPTH_STENCIL_OES:
+		return error(GL_INVALID_OPERATION, false);
+	default:
+		return error(GL_INVALID_ENUM, false);
+	}
+	return true;
+}
+
+void ActiveTexture(GLenum texture)
+{
+	TRACE("(GLenum texture = 0x%X)", texture);
+
+	es2::Context *context = es2::getContext();
+
+	if(context)
+	{
+		if(texture < GL_TEXTURE0 || texture > GL_TEXTURE0 + es2::MAX_COMBINED_TEXTURE_IMAGE_UNITS - 1)
+		{
+			return error(GL_INVALID_ENUM);
+		}
+
+		context->setActiveSampler(texture - GL_TEXTURE0);
+	}
+}
+
+void AttachShader(GLuint program, GLuint shader)
+{
+	TRACE("(GLuint program = %d, GLuint shader = %d)", program, shader);
+
+	es2::Context *context = es2::getContext();
+
+	if(context)
+	{
+		es2::Program *programObject = context->getProgram(program);
+		es2::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);
+		}
+	}
+}
+
+void BeginQueryEXT(GLenum target, GLuint name)
+{
+	TRACE("(GLenum target = 0x%X, GLuint name = %d)", target, name);
+
+	switch(target)
+	{
+	case GL_ANY_SAMPLES_PASSED_EXT:
+	case GL_ANY_SAMPLES_PASSED_CONSERVATIVE_EXT:
+		break;
+	default:
+		return error(GL_INVALID_ENUM);
+	}
+
+	if(name == 0)
+	{
+		return error(GL_INVALID_OPERATION);
+	}
+
+	es2::Context *context = es2::getContext();
+
+	if(context)
+	{
+		context->beginQuery(target, name);
+	}
+}
+
+void BindAttribLocation(GLuint program, GLuint index, const GLchar* name)
+{
+	TRACE("(GLuint program = %d, GLuint index = %d, const GLchar* name = %s)", program, index, name);
+
+	if(index >= es2::MAX_VERTEX_ATTRIBS)
+	{
+		return error(GL_INVALID_VALUE);
+	}
+
+	es2::Context *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(strncmp(name, "gl_", 3) == 0)
+		{
+			return error(GL_INVALID_OPERATION);
+		}
+
+		programObject->bindAttributeLocation(index, name);
+	}
+}
+
+void BindBuffer(GLenum target, GLuint buffer)
+{
+	TRACE("(GLenum target = 0x%X, GLuint buffer = %d)", target, buffer);
+
+	es2::Context *context = es2::getContext();
+
+	if(context)
+	{
+		GLint clientVersion = egl::getClientVersion();
+
+		switch(target)
+		{
+		case GL_ARRAY_BUFFER:
+			context->bindArrayBuffer(buffer);
+			return;
+		case GL_ELEMENT_ARRAY_BUFFER:
+			context->bindElementArrayBuffer(buffer);
+			return;
+		case GL_COPY_READ_BUFFER:
+			if(clientVersion >= 3)
+			{
+				context->bindCopyReadBuffer(buffer);
+				return;
+			}
+			else return error(GL_INVALID_ENUM);
+		case GL_COPY_WRITE_BUFFER:
+			if(clientVersion >= 3)
+			{
+				context->bindCopyWriteBuffer(buffer);
+				return;
+			}
+			else return error(GL_INVALID_ENUM);
+		case GL_PIXEL_PACK_BUFFER:
+			if(clientVersion >= 3)
+			{
+				context->bindPixelPackBuffer(buffer);
+				return;
+			}
+			else return error(GL_INVALID_ENUM);
+		case GL_PIXEL_UNPACK_BUFFER:
+			if(clientVersion >= 3)
+			{
+				context->bindPixelUnpackBuffer(buffer);
+				return;
+			}
+			else return error(GL_INVALID_ENUM);
+		case GL_TRANSFORM_FEEDBACK_BUFFER:
+			if(clientVersion >= 3)
+			{
+				context->bindTransformFeedbackBuffer(buffer);
+				return;
+			}
+			else return error(GL_INVALID_ENUM);
+		case GL_UNIFORM_BUFFER:
+			if(clientVersion >= 3)
+			{
+				context->bindGenericUniformBuffer(buffer);
+				return;
+			}
+			else return error(GL_INVALID_ENUM);
+		default:
+			return error(GL_INVALID_ENUM);
+		}
+	}
+}
+
+void BindFramebuffer(GLenum target, GLuint framebuffer)
+{
+	TRACE("(GLenum target = 0x%X, GLuint framebuffer = %d)", target, framebuffer);
+
+	if(target != GL_FRAMEBUFFER && target != GL_DRAW_FRAMEBUFFER_ANGLE && target != GL_READ_FRAMEBUFFER_ANGLE)
+	{
+		return error(GL_INVALID_ENUM);
+	}
+
+	es2::Context *context = es2::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);
+		}
+	}
+}
+
+void BindRenderbuffer(GLenum target, GLuint renderbuffer)
+{
+	TRACE("(GLenum target = 0x%X, GLuint renderbuffer = %d)", target, renderbuffer);
+
+	if(target != GL_RENDERBUFFER)
+	{
+		return error(GL_INVALID_ENUM);
+	}
+
+	es2::Context *context = es2::getContext();
+
+	if(context)
+	{
+		// [OpenGL ES 2.0.25] Section 4.4.3 page 110
+		// [OpenGL ES 3.0.4] Section 4.4.2 page 204
+		// If renderbuffer is not zero, then the resulting renderbuffer object
+		// is a new state vector, initialized with a zero-sized memory buffer.
+		context->bindRenderbuffer(renderbuffer);
+	}
+}
+
+void BindTexture(GLenum target, GLuint texture)
+{
+	TRACE("(GLenum target = 0x%X, GLuint texture = %d)", target, texture);
+
+	es2::Context *context = es2::getContext();
+
+	if(context)
+	{
+		es2::Texture *textureObject = context->getTexture(texture);
+
+		if(textureObject && textureObject->getTarget() != target && texture != 0)
+		{
+			return error(GL_INVALID_OPERATION);
+		}
+
+		GLint clientVersion = context->getClientVersion();
+
+		switch(target)
+		{
+		case GL_TEXTURE_2D:
+			context->bindTexture2D(texture);
+			break;
+		case GL_TEXTURE_CUBE_MAP:
+			context->bindTextureCubeMap(texture);
+			break;
+		case GL_TEXTURE_EXTERNAL_OES:
+			context->bindTextureExternal(texture);
+			break;
+		case GL_TEXTURE_2D_ARRAY:
+			if(clientVersion < 3)
+			{
+				return error(GL_INVALID_ENUM);
+			}
+			context->bindTexture2DArray(texture);
+			break;
+		case GL_TEXTURE_3D_OES:
+			context->bindTexture3D(texture);
+			break;
+		default:
+			return error(GL_INVALID_ENUM);
+		}
+	}
+}
+
+void BlendColor(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);
+
+	es2::Context* context = es2::getContext();
+
+	if(context)
+	{
+		context->setBlendColor(es2::clamp01(red), es2::clamp01(green), es2::clamp01(blue), es2::clamp01(alpha));
+	}
+}
+
+void BlendEquation(GLenum mode)
+{
+	glBlendEquationSeparate(mode, mode);
+}
+
+void BlendEquationSeparate(GLenum modeRGB, GLenum modeAlpha)
+{
+	TRACE("(GLenum modeRGB = 0x%X, GLenum modeAlpha = 0x%X)", modeRGB, modeAlpha);
+
+	switch(modeRGB)
+	{
+	case GL_FUNC_ADD:
+	case GL_FUNC_SUBTRACT:
+	case GL_FUNC_REVERSE_SUBTRACT:
+	case GL_MIN_EXT:
+	case GL_MAX_EXT:
+		break;
+	default:
+		return error(GL_INVALID_ENUM);
+	}
+
+	switch(modeAlpha)
+	{
+	case GL_FUNC_ADD:
+	case GL_FUNC_SUBTRACT:
+	case GL_FUNC_REVERSE_SUBTRACT:
+	case GL_MIN_EXT:
+	case GL_MAX_EXT:
+		break;
+	default:
+		return error(GL_INVALID_ENUM);
+	}
+
+	es2::Context *context = es2::getContext();
+
+	if(context)
+	{
+		context->setBlendEquation(modeRGB, modeAlpha);
+	}
+}
+
+void BlendFunc(GLenum sfactor, GLenum dfactor)
+{
+	glBlendFuncSeparate(sfactor, dfactor, sfactor, dfactor);
+}
+
+void BlendFuncSeparate(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);
+
+	GLint clientVersion = egl::getClientVersion();
+
+	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;
+	case GL_SRC_ALPHA_SATURATE:
+		if(clientVersion < 3)
+		{
+			return error(GL_INVALID_ENUM);
+		}
+		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;
+	case GL_SRC_ALPHA_SATURATE:
+		if(clientVersion < 3)
+		{
+			return error(GL_INVALID_ENUM);
+		}
+		break;
+	default:
+		return error(GL_INVALID_ENUM);
+	}
+
+	es2::Context *context = es2::getContext();
+
+	if(context)
+	{
+		context->setBlendFactors(srcRGB, dstRGB, srcAlpha, dstAlpha);
+	}
+}
+
+void BufferData(GLenum target, GLsizeiptr size, const GLvoid* data, GLenum usage)
+{
+	size = static_cast<GLint>(size);   // Work around issues with some 64-bit applications
+
+	TRACE("(GLenum target = 0x%X, GLsizeiptr size = %d, const GLvoid* data = %p, GLenum usage = %d)",
+	      target, size, data, usage);
+
+	if(size < 0)
+	{
+		return error(GL_INVALID_VALUE);
+	}
+
+	GLint clientVersion = egl::getClientVersion();
+
+	switch(usage)
+	{
+	case GL_STREAM_DRAW:
+	case GL_STATIC_DRAW:
+	case GL_DYNAMIC_DRAW:
+		break;
+	case GL_STREAM_READ:
+	case GL_STREAM_COPY:
+	case GL_STATIC_READ:
+	case GL_STATIC_COPY:
+	case GL_DYNAMIC_READ:
+	case GL_DYNAMIC_COPY:
+		if(clientVersion < 3)
+		{
+			return error(GL_INVALID_ENUM);
+		}
+		break;
+	default:
+		return error(GL_INVALID_ENUM);
+	}
+
+	es2::Context *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);
+		}
+
+		buffer->bufferData(data, size, usage);
+	}
+}
+
+void BufferSubData(GLenum target, GLintptr offset, GLsizeiptr size, const GLvoid* data)
+{
+	size = static_cast<GLint>(size);   // Work around issues with some 64-bit applications
+	offset = static_cast<GLint>(offset);
+
+	TRACE("(GLenum target = 0x%X, GLintptr offset = %d, GLsizeiptr size = %d, const GLvoid* data = %p)",
+	      target, offset, size, data);
+
+	if(size < 0 || offset < 0)
+	{
+		return error(GL_INVALID_VALUE);
+	}
+
+	es2::Context *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((size_t)size + offset > buffer->size())
+		{
+			return error(GL_INVALID_VALUE);
+		}
+
+		buffer->bufferSubData(data, size, offset);
+	}
+}
+
+GLenum CheckFramebufferStatus(GLenum target)
+{
+	TRACE("(GLenum target = 0x%X)", target);
+
+	if(target != GL_FRAMEBUFFER && target != GL_DRAW_FRAMEBUFFER_ANGLE && target != GL_READ_FRAMEBUFFER_ANGLE)
+	{
+		return error(GL_INVALID_ENUM, 0);
+	}
+
+	es2::Context *context = es2::getContext();
+
+	if(context)
+	{
+		es2::Framebuffer *framebuffer = nullptr;
+		if(target == GL_READ_FRAMEBUFFER_ANGLE)
+		{
+			framebuffer = context->getReadFramebuffer();
+		}
+		else
+		{
+			framebuffer = context->getDrawFramebuffer();
+		}
+
+		return framebuffer->completeness();
+	}
+
+	return 0;
+}
+
+void Clear(GLbitfield mask)
+{
+	TRACE("(GLbitfield mask = %X)", mask);
+
+	if((mask & ~(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT | GL_STENCIL_BUFFER_BIT)) != 0)
+	{
+		return error(GL_INVALID_VALUE);
+	}
+
+	es2::Context *context = es2::getContext();
+
+	if(context)
+	{
+		context->clear(mask);
+	}
+}
+
+void ClearColor(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);
+
+	es2::Context *context = es2::getContext();
+
+	if(context)
+	{
+		context->setClearColor(red, green, blue, alpha);
+	}
+}
+
+void ClearDepthf(GLclampf depth)
+{
+	TRACE("(GLclampf depth = %f)", depth);
+
+	es2::Context *context = es2::getContext();
+
+	if(context)
+	{
+		context->setClearDepth(depth);
+	}
+}
+
+void ClearStencil(GLint s)
+{
+	TRACE("(GLint s = %d)", s);
+
+	es2::Context *context = es2::getContext();
+
+	if(context)
+	{
+		context->setClearStencil(s);
+	}
+}
+
+void ColorMask(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);
+
+	es2::Context *context = es2::getContext();
+
+	if(context)
+	{
+		context->setColorMask(red == GL_TRUE, green == GL_TRUE, blue == GL_TRUE, alpha == GL_TRUE);
+	}
+}
+
+void CompileShader(GLuint shader)
+{
+	TRACE("(GLuint shader = %d)", shader);
+
+	es2::Context *context = es2::getContext();
+
+	if(context)
+	{
+		es2::Shader *shaderObject = context->getShader(shader);
+
+		if(!shaderObject)
+		{
+			if(context->getProgram(shader))
+			{
+				return error(GL_INVALID_OPERATION);
+			}
+			else
+			{
+				return error(GL_INVALID_VALUE);
+			}
+		}
+
+		shaderObject->compile();
+	}
+}
+
+void CompressedTexImage2D(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 = %p)",
+	      target, level, internalformat, width, height, border, imageSize, data);
+
+	if(!validImageSize(level, width, height) || border != 0 || imageSize < 0)
+	{
+		return error(GL_INVALID_VALUE);
+	}
+
+	switch(internalformat)
+	{
+	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:
+		{
+			GLenum validationError = ValidateCompressedFormat(internalformat, egl::getClientVersion(), true);
+			if(validationError != GL_NONE)
+			{
+				return error(validationError);
+			}
+		}
+		break;
+	}
+
+	if(border != 0)
+	{
+		return error(GL_INVALID_VALUE);
+	}
+
+	es2::Context *context = es2::getContext();
+
+	if(context)
+	{
+		if(level >= es2::IMPLEMENTATION_MAX_TEXTURE_LEVELS)
+		{
+			return error(GL_INVALID_VALUE);
+		}
+
+		switch(target)
+		{
+		case GL_TEXTURE_2D:
+			if(width > (es2::IMPLEMENTATION_MAX_TEXTURE_SIZE >> level) ||
+			   height > (es2::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 > (es2::IMPLEMENTATION_MAX_CUBE_MAP_TEXTURE_SIZE >> level) ||
+			   height > (es2::IMPLEMENTATION_MAX_CUBE_MAP_TEXTURE_SIZE >> level))
+			{
+				return error(GL_INVALID_VALUE);
+			}
+			break;
+		default:
+			return error(GL_INVALID_ENUM);
+		}
+
+		if(imageSize != egl::ComputeCompressedSize(width, height, internalformat))
+		{
+			return error(GL_INVALID_VALUE);
+		}
+
+		if(target == GL_TEXTURE_2D)
+		{
+			es2::Texture2D *texture = context->getTexture2D();
+
+			if(!texture)
+			{
+				return error(GL_INVALID_OPERATION);
+			}
+
+			texture->setCompressedImage(level, internalformat, width, height, imageSize, data);
+		}
+		else
+		{
+			es2::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(target);
+			}
+		}
+	}
+}
+
+void CompressedTexSubImage2D(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 = %p)",
+	      target, level, xoffset, yoffset, width, height, format, imageSize, data);
+
+	if(!es2::IsTextureTarget(target))
+	{
+		return error(GL_INVALID_ENUM);
+	}
+
+	if(level < 0 || level >= es2::IMPLEMENTATION_MAX_TEXTURE_LEVELS)
+	{
+		return error(GL_INVALID_VALUE);
+	}
+
+	if(xoffset < 0 || yoffset < 0 || !validImageSize(level, width, height) || imageSize < 0)
+	{
+		return error(GL_INVALID_VALUE);
+	}
+
+	GLenum validationError = ValidateCompressedFormat(format, egl::getClientVersion(), true);
+	if(validationError != GL_NONE)
+	{
+		return error(validationError);
+	}
+
+	if(width == 0 || height == 0 || !data)
+	{
+		return;
+	}
+
+	es2::Context *context = es2::getContext();
+
+	if(context)
+	{
+		if(imageSize != egl::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);
+		}
+
+		GLenum sizedInternalFormat = GetSizedInternalFormat(format, GL_NONE);
+
+		if(target == GL_TEXTURE_2D)
+		{
+			es2::Texture2D *texture = context->getTexture2D();
+
+			GLenum validationError = ValidateSubImageParams(true, width, height, xoffset, yoffset, target, level, sizedInternalFormat, texture);
+
+			if(validationError == GL_NONE)
+			{
+				texture->subImageCompressed(level, xoffset, yoffset, width, height, sizedInternalFormat, imageSize, data);
+			}
+			else
+			{
+				return error(validationError);
+			}
+		}
+		else if(es2::IsCubemapTextureTarget(target))
+		{
+			es2::TextureCubeMap *texture = context->getTextureCubeMap();
+
+			GLenum validationError = ValidateSubImageParams(true, width, height, xoffset, yoffset, target, level, sizedInternalFormat, texture);
+
+			if(validationError == GL_NONE)
+			{
+				texture->subImageCompressed(target, level, xoffset, yoffset, width, height, sizedInternalFormat, imageSize, data);
+			}
+			else
+			{
+				return error(validationError);
+			}
+		}
+		else UNREACHABLE(target);
+	}
+}
+
+void CopyTexImage2D(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);
+
+	if(!validImageSize(level, width, height))
+	{
+		return error(GL_INVALID_VALUE);
+	}
+
+	if(border != 0)
+	{
+		return error(GL_INVALID_VALUE);
+	}
+
+	es2::Context *context = es2::getContext();
+
+	if(context)
+	{
+		switch(target)
+		{
+		case GL_TEXTURE_2D:
+			if(width > (es2::IMPLEMENTATION_MAX_TEXTURE_SIZE >> level) ||
+			   height > (es2::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 > (es2::IMPLEMENTATION_MAX_CUBE_MAP_TEXTURE_SIZE >> level) ||
+			   height > (es2::IMPLEMENTATION_MAX_CUBE_MAP_TEXTURE_SIZE >> level))
+			{
+				return error(GL_INVALID_VALUE);
+			}
+			break;
+		default:
+			return error(GL_INVALID_ENUM);
+		}
+
+		es2::Framebuffer *framebuffer = context->getReadFramebuffer();
+
+		if(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();
+
+		if(!validateColorBufferFormat(internalformat, colorbufferFormat))
+		{
+			return;
+		}
+
+		if(target == GL_TEXTURE_2D)
+		{
+			es2::Texture2D *texture = context->getTexture2D();
+
+			if(!texture)
+			{
+				return error(GL_INVALID_OPERATION);
+			}
+
+			texture->copyImage(level, internalformat, x, y, width, height, framebuffer);
+		}
+		else if(es2::IsCubemapTextureTarget(target))
+		{
+			es2::TextureCubeMap *texture = context->getTextureCubeMap();
+
+			if(!texture)
+			{
+				return error(GL_INVALID_OPERATION);
+			}
+
+			texture->copyImage(target, level, internalformat, x, y, width, height, framebuffer);
+		}
+		else UNREACHABLE(target);
+	}
+}
+
+void CopyTexSubImage2D(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);
+
+	if(!es2::IsTextureTarget(target))
+	{
+		return error(GL_INVALID_ENUM);
+	}
+
+	if(level < 0 || level >= es2::IMPLEMENTATION_MAX_TEXTURE_LEVELS)
+	{
+		return error(GL_INVALID_VALUE);
+	}
+
+	if(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;
+	}
+
+	es2::Context *context = es2::getContext();
+
+	if(context)
+	{
+		es2::Framebuffer *framebuffer = context->getReadFramebuffer();
+
+		if(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);
+		}
+
+		es2::Texture *texture = nullptr;
+
+		if(target == GL_TEXTURE_2D)
+		{
+			texture = context->getTexture2D();
+		}
+		else if(es2::IsCubemapTextureTarget(target))
+		{
+			texture = context->getTextureCubeMap();
+		}
+		else UNREACHABLE(target);
+
+		GLenum validationError = ValidateSubImageParams(false, width, height, xoffset, yoffset, target, level, GL_NONE, texture);
+		if(validationError != GL_NONE)
+		{
+			return error(validationError);
+		}
+
+		texture->copySubImage(target, level, xoffset, yoffset, 0, x, y, width, height, framebuffer);
+	}
+}
+
+GLuint CreateProgram(void)
+{
+	TRACE("()");
+
+	es2::Context *context = es2::getContext();
+
+	if(context)
+	{
+		return context->createProgram();
+	}
+
+	return 0;
+}
+
+GLuint CreateShader(GLenum type)
+{
+	TRACE("(GLenum type = 0x%X)", type);
+
+	es2::Context *context = es2::getContext();
+
+	if(context)
+	{
+		switch(type)
+		{
+		case GL_FRAGMENT_SHADER:
+		case GL_VERTEX_SHADER:
+			return context->createShader(type);
+		default:
+			return error(GL_INVALID_ENUM, 0);
+		}
+	}
+
+	return 0;
+}
+
+void CullFace(GLenum mode)
+{
+	TRACE("(GLenum mode = 0x%X)", mode);
+
+	switch(mode)
+	{
+	case GL_FRONT:
+	case GL_BACK:
+	case GL_FRONT_AND_BACK:
+		{
+			es2::Context *context = es2::getContext();
+
+			if(context)
+			{
+				context->setCullMode(mode);
+			}
+		}
+		break;
+	default:
+		return error(GL_INVALID_ENUM);
+	}
+}
+
+void DeleteBuffers(GLsizei n, const GLuint* buffers)
+{
+	TRACE("(GLsizei n = %d, const GLuint* buffers = %p)", n, buffers);
+
+	if(n < 0)
+	{
+		return error(GL_INVALID_VALUE);
+	}
+
+	es2::Context *context = es2::getContext();
+
+	if(context)
+	{
+		for(int i = 0; i < n; i++)
+		{
+			context->deleteBuffer(buffers[i]);
+		}
+	}
+}
+
+void DeleteFencesNV(GLsizei n, const GLuint* fences)
+{
+	TRACE("(GLsizei n = %d, const GLuint* fences = %p)", n, fences);
+
+	if(n < 0)
+	{
+		return error(GL_INVALID_VALUE);
+	}
+
+	es2::Context *context = es2::getContext();
+
+	if(context)
+	{
+		for(int i = 0; i < n; i++)
+		{
+			context->deleteFence(fences[i]);
+		}
+	}
+}
+
+void DeleteFramebuffers(GLsizei n, const GLuint* framebuffers)
+{
+	TRACE("(GLsizei n = %d, const GLuint* framebuffers = %p)", n, framebuffers);
+
+	if(n < 0)
+	{
+		return error(GL_INVALID_VALUE);
+	}
+
+	es2::Context *context = es2::getContext();
+
+	if(context)
+	{
+		for(int i = 0; i < n; i++)
+		{
+			if(framebuffers[i] != 0)
+			{
+				context->deleteFramebuffer(framebuffers[i]);
+			}
+		}
+	}
+}
+
+void DeleteProgram(GLuint program)
+{
+	TRACE("(GLuint program = %d)", program);
+
+	if(program == 0)
+	{
+		return;
+	}
+
+	es2::Context *context = es2::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);
+	}
+}
+
+void DeleteQueriesEXT(GLsizei n, const GLuint *ids)
+{
+	TRACE("(GLsizei n = %d, const GLuint *ids = %p)", n, ids);
+
+	if(n < 0)
+	{
+		return error(GL_INVALID_VALUE);
+	}
+
+	es2::Context *context = es2::getContext();
+
+	if(context)
+	{
+		for(int i = 0; i < n; i++)
+		{
+			context->deleteQuery(ids[i]);
+		}
+	}
+}
+
+void DeleteRenderbuffers(GLsizei n, const GLuint* renderbuffers)
+{
+	TRACE("(GLsizei n = %d, const GLuint* renderbuffers = %p)", n, renderbuffers);
+
+	if(n < 0)
+	{
+		return error(GL_INVALID_VALUE);
+	}
+
+	es2::Context *context = es2::getContext();
+
+	if(context)
+	{
+		for(int i = 0; i < n; i++)
+		{
+			context->deleteRenderbuffer(renderbuffers[i]);
+		}
+	}
+}
+
+void DeleteShader(GLuint shader)
+{
+	TRACE("(GLuint shader = %d)", shader);
+
+	if(shader == 0)
+	{
+		return;
+	}
+
+	es2::Context *context = es2::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);
+	}
+}
+
+void DeleteTextures(GLsizei n, const GLuint* textures)
+{
+	TRACE("(GLsizei n = %d, const GLuint* textures = %p)", n, textures);
+
+	if(n < 0)
+	{
+		return error(GL_INVALID_VALUE);
+	}
+
+	es2::Context *context = es2::getContext();
+
+	if(context)
+	{
+		for(int i = 0; i < n; i++)
+		{
+			if(textures[i] != 0)
+			{
+				context->deleteTexture(textures[i]);
+			}
+		}
+	}
+}
+
+void DepthFunc(GLenum func)
+{
+	TRACE("(GLenum func = 0x%X)", func);
+
+	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);
+	}
+
+	es2::Context *context = es2::getContext();
+
+	if(context)
+	{
+		context->setDepthFunc(func);
+	}
+}
+
+void DepthMask(GLboolean flag)
+{
+	TRACE("(GLboolean flag = %d)", flag);
+
+	es2::Context *context = es2::getContext();
+
+	if(context)
+	{
+		context->setDepthMask(flag != GL_FALSE);
+	}
+}
+
+void DepthRangef(GLclampf zNear, GLclampf zFar)
+{
+	TRACE("(GLclampf zNear = %f, GLclampf zFar = %f)", zNear, zFar);
+
+	es2::Context *context = es2::getContext();
+
+	if(context)
+	{
+		context->setDepthRange(zNear, zFar);
+	}
+}
+
+void DetachShader(GLuint program, GLuint shader)
+{
+	TRACE("(GLuint program = %d, GLuint shader = %d)", program, shader);
+
+	es2::Context *context = es2::getContext();
+
+	if(context)
+	{
+
+		es2::Program *programObject = context->getProgram(program);
+		es2::Shader *shaderObject = context->getShader(shader);
+
+		if(!programObject)
+		{
+			es2::Shader *shaderByProgramHandle;
+			shaderByProgramHandle = context->getShader(program);
+			if(!shaderByProgramHandle)
+			{
+				return error(GL_INVALID_VALUE);
+			}
+			else
+			{
+				return error(GL_INVALID_OPERATION);
+			}
+		}
+
+		if(!shaderObject)
+		{
+			es2::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);
+		}
+	}
+}
+
+void Disable(GLenum cap)
+{
+	TRACE("(GLenum cap = 0x%X)", cap);
+
+	es2::Context *context = es2::getContext();
+
+	if(context)
+	{
+		switch(cap)
+		{
+		case GL_CULL_FACE:                     context->setCullFaceEnabled(false);                   break;
+		case GL_POLYGON_OFFSET_FILL:           context->setPolygonOffsetFillEnabled(false);          break;
+		case GL_SAMPLE_ALPHA_TO_COVERAGE:      context->setSampleAlphaToCoverageEnabled(false);      break;
+		case GL_SAMPLE_COVERAGE:               context->setSampleCoverageEnabled(false);             break;
+		case GL_SCISSOR_TEST:                  context->setScissorTestEnabled(false);                break;
+		case GL_STENCIL_TEST:                  context->setStencilTestEnabled(false);                break;
+		case GL_DEPTH_TEST:                    context->setDepthTestEnabled(false);                  break;
+		case GL_BLEND:                         context->setBlendEnabled(false);                      break;
+		case GL_DITHER:                        context->setDitherEnabled(false);                     break;
+		case GL_PRIMITIVE_RESTART_FIXED_INDEX: context->setPrimitiveRestartFixedIndexEnabled(false); break;
+		case GL_RASTERIZER_DISCARD:            context->setRasterizerDiscardEnabled(false);          break;
+		default:
+			return error(GL_INVALID_ENUM);
+		}
+	}
+}
+
+void DisableVertexAttribArray(GLuint index)
+{
+	TRACE("(GLuint index = %d)", index);
+
+	if(index >= es2::MAX_VERTEX_ATTRIBS)
+	{
+		return error(GL_INVALID_VALUE);
+	}
+
+	es2::Context *context = es2::getContext();
+
+	if(context)
+	{
+		context->setVertexAttribArrayEnabled(index, false);
+	}
+}
+
+void DrawArrays(GLenum mode, GLint first, GLsizei count)
+{
+	TRACE("(GLenum mode = 0x%X, GLint first = %d, GLsizei count = %d)", mode, first, count);
+
+	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 || first < 0)
+	{
+		return error(GL_INVALID_VALUE);
+	}
+
+	es2::Context *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);
+	}
+}
+
+void DrawElements(GLenum mode, GLsizei count, GLenum type, const GLvoid* indices)
+{
+	TRACE("(GLenum mode = 0x%X, GLsizei count = %d, GLenum type = 0x%X, const GLvoid* indices = %p)",
+	      mode, 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);
+	}
+
+	if(count < 0)
+	{
+		return error(GL_INVALID_VALUE);
+	}
+
+	es2::Context *context = es2::getContext();
+
+	if(context)
+	{
+		es2::TransformFeedback* transformFeedback = context->getTransformFeedback();
+		if(transformFeedback && transformFeedback->isActive() && !transformFeedback->isPaused())
+		{
+			return error(GL_INVALID_OPERATION);
+		}
+
+		switch(type)
+		{
+		case GL_UNSIGNED_BYTE:
+		case GL_UNSIGNED_SHORT:
+		case GL_UNSIGNED_INT:
+			break;
+		default:
+			return error(GL_INVALID_ENUM);
+		}
+
+		context->drawElements(mode, 0, MAX_ELEMENT_INDEX, count, type, indices);
+	}
+}
+
+void DrawArraysInstancedEXT(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);
+	}
+
+	es2::Context *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 DrawElementsInstancedEXT(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);
+	}
+
+	es2::Context *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);
+	}
+}
+
+void VertexAttribDivisorEXT(GLuint index, GLuint divisor)
+{
+	TRACE("(GLuint index = %d, GLuint divisor = %d)", index, divisor);
+
+	es2::Context *context = es2::getContext();
+
+	if(context)
+	{
+		if(index >= es2::MAX_VERTEX_ATTRIBS)
+		{
+			return error(GL_INVALID_VALUE);
+		}
+
+		context->setVertexAttribDivisor(index, divisor);
+	}
+}
+
+void DrawArraysInstancedANGLE(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);
+	}
+
+	es2::Context *context = es2::getContext();
+
+	if(context)
+	{
+		if(!context->hasZeroDivisor())
+		{
+			return error(GL_INVALID_OPERATION);
+		}
+
+		es2::TransformFeedback* transformFeedback = context->getTransformFeedback();
+		if(transformFeedback && transformFeedback->isActive() && (mode != transformFeedback->primitiveMode()))
+		{
+			return error(GL_INVALID_OPERATION);
+		}
+
+		context->drawArrays(mode, first, count, instanceCount);
+	}
+}
+
+void DrawElementsInstancedANGLE(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);
+	}
+
+	es2::Context *context = es2::getContext();
+
+	if(context)
+	{
+		if(!context->hasZeroDivisor())
+		{
+			return error(GL_INVALID_OPERATION);
+		}
+
+		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);
+	}
+}
+
+void VertexAttribDivisorANGLE(GLuint index, GLuint divisor)
+{
+	TRACE("(GLuint index = %d, GLuint divisor = %d)", index, divisor);
+
+	es2::Context *context = es2::getContext();
+
+	if(context)
+	{
+		if(index >= MAX_VERTEX_ATTRIBS)
+		{
+			return error(GL_INVALID_VALUE);
+		}
+
+		context->setVertexAttribDivisor(index, divisor);
+	}
+}
+
+void Enable(GLenum cap)
+{
+	TRACE("(GLenum cap = 0x%X)", cap);
+
+	es2::Context *context = es2::getContext();
+
+	if(context)
+	{
+		switch(cap)
+		{
+		case GL_CULL_FACE:                     context->setCullFaceEnabled(true);                   break;
+		case GL_POLYGON_OFFSET_FILL:           context->setPolygonOffsetFillEnabled(true);          break;
+		case GL_SAMPLE_ALPHA_TO_COVERAGE:      context->setSampleAlphaToCoverageEnabled(true);      break;
+		case GL_SAMPLE_COVERAGE:               context->setSampleCoverageEnabled(true);             break;
+		case GL_SCISSOR_TEST:                  context->setScissorTestEnabled(true);                break;
+		case GL_STENCIL_TEST:                  context->setStencilTestEnabled(true);                break;
+		case GL_DEPTH_TEST:                    context->setDepthTestEnabled(true);                  break;
+		case GL_BLEND:                         context->setBlendEnabled(true);                      break;
+		case GL_DITHER:                        context->setDitherEnabled(true);                     break;
+		case GL_PRIMITIVE_RESTART_FIXED_INDEX: context->setPrimitiveRestartFixedIndexEnabled(true); break;
+		case GL_RASTERIZER_DISCARD:            context->setRasterizerDiscardEnabled(true);          break;
+		default:
+			return error(GL_INVALID_ENUM);
+		}
+	}
+}
+
+void EnableVertexAttribArray(GLuint index)
+{
+	TRACE("(GLuint index = %d)", index);
+
+	if(index >= es2::MAX_VERTEX_ATTRIBS)
+	{
+		return error(GL_INVALID_VALUE);
+	}
+
+	es2::Context *context = es2::getContext();
+
+	if(context)
+	{
+		context->setVertexAttribArrayEnabled(index, true);
+	}
+}
+
+void EndQueryEXT(GLenum target)
+{
+	TRACE("GLenum target = 0x%X)", target);
+
+	switch(target)
+	{
+	case GL_ANY_SAMPLES_PASSED_EXT:
+	case GL_ANY_SAMPLES_PASSED_CONSERVATIVE_EXT:
+		break;
+	default:
+		return error(GL_INVALID_ENUM);
+	}
+
+	es2::Context *context = es2::getContext();
+
+	if(context)
+	{
+		context->endQuery(target);
+	}
+}
+
+void FinishFenceNV(GLuint fence)
+{
+	TRACE("(GLuint fence = %d)", fence);
+
+	es2::Context *context = es2::getContext();
+
+	if(context)
+	{
+		es2::Fence *fenceObject = context->getFence(fence);
+
+		if(!fenceObject)
+		{
+			return error(GL_INVALID_OPERATION);
+		}
+
+		fenceObject->finishFence();
+	}
+}
+
+void Finish(void)
+{
+	TRACE("()");
+
+	es2::Context *context = es2::getContext();
+
+	if(context)
+	{
+		context->finish();
+	}
+}
+
+void Flush(void)
+{
+	TRACE("()");
+
+	es2::Context *context = es2::getContext();
+
+	if(context)
+	{
+		context->flush();
+	}
+}
+
+void FramebufferRenderbuffer(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);
+
+	if((target != GL_FRAMEBUFFER && target != GL_DRAW_FRAMEBUFFER_ANGLE && target != GL_READ_FRAMEBUFFER_ANGLE) ||
+	   (renderbuffertarget != GL_RENDERBUFFER && renderbuffer != 0))
+	{
+		return error(GL_INVALID_ENUM);
+	}
+
+	es2::Context *context = es2::getContext();
+
+	if(context)
+	{
+		es2::Framebuffer *framebuffer = nullptr;
+		GLuint framebufferName = 0;
+		if(target == GL_READ_FRAMEBUFFER_ANGLE)
+		{
+			framebuffer = context->getReadFramebuffer();
+			framebufferName = context->getReadFramebufferName();
+		}
+		else
+		{
+			framebuffer = context->getDrawFramebuffer();
+			framebufferName = context->getDrawFramebufferName();
+		}
+
+		if(!framebuffer || framebufferName == 0)
+		{
+			return error(GL_INVALID_OPERATION);
+		}
+
+		// [OpenGL ES 2.0.25] Section 4.4.3 page 112
+		// [OpenGL ES 3.0.2] Section 4.4.2 page 201
+		// 'renderbuffer' must be either zero or the name of an existing renderbuffer object of
+		// type 'renderbuffertarget', otherwise an INVALID_OPERATION error is generated.
+		if(renderbuffer != 0)
+		{
+			if(!context->getRenderbuffer(renderbuffer))
+			{
+				return error(GL_INVALID_OPERATION);
+			}
+		}
+
+		GLint clientVersion = context->getClientVersion();
+
+		switch(attachment)
+		{
+		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:
+			if((attachment - GL_COLOR_ATTACHMENT0) >= MAX_COLOR_ATTACHMENTS)
+			{
+				return error(GL_INVALID_ENUM);
+			}
+			framebuffer->setColorbuffer(GL_RENDERBUFFER, renderbuffer, attachment - GL_COLOR_ATTACHMENT0);
+			break;
+		case GL_DEPTH_ATTACHMENT:
+			framebuffer->setDepthbuffer(GL_RENDERBUFFER, renderbuffer);
+			break;
+		case GL_STENCIL_ATTACHMENT:
+			framebuffer->setStencilbuffer(GL_RENDERBUFFER, renderbuffer);
+			break;
+		case GL_DEPTH_STENCIL_ATTACHMENT:
+			if(clientVersion >= 3)
+			{
+				framebuffer->setDepthbuffer(GL_RENDERBUFFER, renderbuffer);
+				framebuffer->setStencilbuffer(GL_RENDERBUFFER, renderbuffer);
+				break;
+			}
+			else return error(GL_INVALID_ENUM);
+		default:
+			return error(GL_INVALID_ENUM);
+		}
+	}
+}
+
+void FramebufferTexture2D(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);
+
+	if(target != GL_FRAMEBUFFER && target != GL_DRAW_FRAMEBUFFER_ANGLE && target != GL_READ_FRAMEBUFFER_ANGLE)
+	{
+		return error(GL_INVALID_ENUM);
+	}
+
+	es2::Context *context = es2::getContext();
+
+	if(context)
+	{
+		if(texture == 0)
+		{
+			textarget = GL_NONE;
+		}
+		else
+		{
+			es2::Texture *tex = context->getTexture(texture);
+
+			if(!tex)
+			{
+				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(tex->isCompressed(textarget, level))
+			{
+				return error(GL_INVALID_OPERATION);
+			}
+
+			if((level != 0) && (context->getClientVersion() < 3))
+			{
+				return error(GL_INVALID_VALUE);
+			}
+
+			if((level < 0) || (level >= es2::IMPLEMENTATION_MAX_TEXTURE_LEVELS))
+			{
+				return error(GL_INVALID_VALUE);
+			}
+		}
+
+		es2::Framebuffer *framebuffer = nullptr;
+		GLuint framebufferName = 0;
+		if(target == GL_READ_FRAMEBUFFER_ANGLE)
+		{
+			framebuffer = context->getReadFramebuffer();
+			framebufferName = context->getReadFramebufferName();
+		}
+		else
+		{
+			framebuffer = context->getDrawFramebuffer();
+			framebufferName = context->getDrawFramebufferName();
+		}
+
+		if(framebufferName == 0 || !framebuffer)
+		{
+			return error(GL_INVALID_OPERATION);
+		}
+
+		switch(attachment)
+		{
+		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:
+			if((attachment - GL_COLOR_ATTACHMENT0) >= MAX_COLOR_ATTACHMENTS)
+			{
+				return error(GL_INVALID_ENUM);
+			}
+			framebuffer->setColorbuffer(textarget, texture, attachment - GL_COLOR_ATTACHMENT0, level);
+			break;
+		case GL_DEPTH_ATTACHMENT:   framebuffer->setDepthbuffer(textarget, texture, level);   break;
+		case GL_STENCIL_ATTACHMENT: framebuffer->setStencilbuffer(textarget, texture, level); break;
+		default:
+			return error(GL_INVALID_ENUM);
+		}
+	}
+}
+
+void FrontFace(GLenum mode)
+{
+	TRACE("(GLenum mode = 0x%X)", mode);
+
+	switch(mode)
+	{
+	case GL_CW:
+	case GL_CCW:
+		{
+			es2::Context *context = es2::getContext();
+
+			if(context)
+			{
+				context->setFrontFace(mode);
+			}
+		}
+		break;
+	default:
+		return error(GL_INVALID_ENUM);
+	}
+}
+
+void GenBuffers(GLsizei n, GLuint* buffers)
+{
+	TRACE("(GLsizei n = %d, GLuint* buffers = %p)", n, buffers);
+
+	if(n < 0)
+	{
+		return error(GL_INVALID_VALUE);
+	}
+
+	es2::Context *context = es2::getContext();
+
+	if(context)
+	{
+		for(int i = 0; i < n; i++)
+		{
+			buffers[i] = context->createBuffer();
+		}
+	}
+}
+
+void GenerateMipmap(GLenum target)
+{
+	TRACE("(GLenum target = 0x%X)", target);
+
+	es2::Context *context = es2::getContext();
+
+	if(context)
+	{
+		es2::Texture *texture = nullptr;
+
+		GLint clientVersion = context->getClientVersion();
+
+		switch(target)
+		{
+		case GL_TEXTURE_2D:
+			texture = context->getTexture2D();
+			break;
+		case GL_TEXTURE_CUBE_MAP:
+			texture = context->getTextureCubeMap();
+			break;
+		case GL_TEXTURE_2D_ARRAY:
+			if(clientVersion < 3)
+			{
+				return error(GL_INVALID_ENUM);
+			}
+			else
+			{
+				texture = context->getTexture2DArray();
+			}
+			break;
+		case GL_TEXTURE_3D_OES:
+			texture = context->getTexture3D();
+			break;
+		default:
+			return error(GL_INVALID_ENUM);
+		}
+
+		if(texture->isCompressed(target, 0) || texture->isDepth(target, 0))
+		{
+			return error(GL_INVALID_OPERATION);
+		}
+
+		texture->generateMipmaps();
+	}
+}
+
+void GenFencesNV(GLsizei n, GLuint* fences)
+{
+	TRACE("(GLsizei n = %d, GLuint* fences = %p)", n, fences);
+
+	if(n < 0)
+	{
+		return error(GL_INVALID_VALUE);
+	}
+
+	es2::Context *context = es2::getContext();
+
+	if(context)
+	{
+		for(int i = 0; i < n; i++)
+		{
+			fences[i] = context->createFence();
+		}
+	}
+}
+
+void GenFramebuffers(GLsizei n, GLuint* framebuffers)
+{
+	TRACE("(GLsizei n = %d, GLuint* framebuffers = %p)", n, framebuffers);
+
+	if(n < 0)
+	{
+		return error(GL_INVALID_VALUE);
+	}
+
+	es2::Context *context = es2::getContext();
+
+	if(context)
+	{
+		for(int i = 0; i < n; i++)
+		{
+			framebuffers[i] = context->createFramebuffer();
+		}
+	}
+}
+
+void GenQueriesEXT(GLsizei n, GLuint* ids)
+{
+	TRACE("(GLsizei n = %d, GLuint* ids = %p)", n, ids);
+
+	if(n < 0)
+	{
+		return error(GL_INVALID_VALUE);
+	}
+
+	es2::Context *context = es2::getContext();
+
+	if(context)
+	{
+		for(int i = 0; i < n; i++)
+		{
+			ids[i] = context->createQuery();
+		}
+	}
+}
+
+void GenRenderbuffers(GLsizei n, GLuint* renderbuffers)
+{
+	TRACE("(GLsizei n = %d, GLuint* renderbuffers = %p)", n, renderbuffers);
+
+	if(n < 0)
+	{
+		return error(GL_INVALID_VALUE);
+	}
+
+	es2::Context *context = es2::getContext();
+
+	if(context)
+	{
+		for(int i = 0; i < n; i++)
+		{
+			renderbuffers[i] = context->createRenderbuffer();
+		}
+	}
+}
+
+void GenTextures(GLsizei n, GLuint* textures)
+{
+	TRACE("(GLsizei n = %d, GLuint* textures = %p)", n, textures);
+
+	if(n < 0)
+	{
+		return error(GL_INVALID_VALUE);
+	}
+
+	es2::Context *context = es2::getContext();
+
+	if(context)
+	{
+		for(int i = 0; i < n; i++)
+		{
+			textures[i] = context->createTexture();
+		}
+	}
+}
+
+void GetActiveAttrib(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 = %p, "
+	      "GLint *size = %p, GLenum *type = %p, GLchar *name = %p)",
+	      program, index, bufsize, length, size, type, name);
+
+	if(bufsize < 0)
+	{
+		return error(GL_INVALID_VALUE);
+	}
+
+	es2::Context *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(index >= programObject->getActiveAttributeCount())
+		{
+			return error(GL_INVALID_VALUE);
+		}
+
+		programObject->getActiveAttribute(index, bufsize, length, size, type, name);
+	}
+}
+
+void GetActiveUniform(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 = %p, GLint* size = %p, GLenum* type = %p, GLchar* name = %s)",
+	      program, index, bufsize, length, size, type, name);
+
+	if(bufsize < 0)
+	{
+		return error(GL_INVALID_VALUE);
+	}
+
+	es2::Context *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(index >= programObject->getActiveUniformCount())
+		{
+			return error(GL_INVALID_VALUE);
+		}
+
+		programObject->getActiveUniform(index, bufsize, length, size, type, name);
+	}
+}
+
+void GetAttachedShaders(GLuint program, GLsizei maxcount, GLsizei* count, GLuint* shaders)
+{
+	TRACE("(GLuint program = %d, GLsizei maxcount = %d, GLsizei* count = %p, GLuint* shaders = %p)",
+	      program, maxcount, count, shaders);
+
+	if(maxcount < 0)
+	{
+		return error(GL_INVALID_VALUE);
+	}
+
+	es2::Context *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);
+			}
+		}
+
+		return programObject->getAttachedShaders(maxcount, count, shaders);
+	}
+}
+
+int GetAttribLocation(GLuint program, const GLchar* name)
+{
+	TRACE("(GLuint program = %d, const GLchar* name = %s)", program, name);
+
+	es2::Context *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->getAttributeLocation(name);
+	}
+
+	return -1;
+}
+
+void GetBooleanv(GLenum pname, GLboolean* params)
+{
+	TRACE("(GLenum pname = 0x%X, GLboolean* params = %p)",  pname, params);
+
+	es2::Context *context = es2::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 = nullptr;
+				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 = nullptr;
+				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;
+			}
+		}
+	}
+}
+
+void GetBufferParameteriv(GLenum target, GLenum pname, GLint* params)
+{
+	TRACE("(GLenum target = 0x%X, GLenum pname = 0x%X, GLint* params = %p)", target, pname, params);
+
+	es2::Context *context = es2::getContext();
+
+	if(context)
+	{
+		es2::Buffer *buffer;
+		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);
+		}
+
+		GLint clientVersion = context->getClientVersion();
+
+		switch(pname)
+		{
+		case GL_BUFFER_USAGE:
+			*params = buffer->usage();
+			break;
+		case GL_BUFFER_SIZE:
+			*params = (GLint)buffer->size();
+			break;
+		case GL_BUFFER_ACCESS_FLAGS:
+			if(clientVersion >= 3)
+			{
+				*params = buffer->access();
+				break;
+			}
+			else return error(GL_INVALID_ENUM);
+		case GL_BUFFER_MAPPED:
+			if(clientVersion >= 3)
+			{
+				*params = buffer->isMapped();
+				break;
+			}
+			else return error(GL_INVALID_ENUM);
+		case GL_BUFFER_MAP_LENGTH:
+			if(clientVersion >= 3)
+			{
+				*params = (GLint)buffer->length();
+				break;
+			}
+			else return error(GL_INVALID_ENUM);
+		case GL_BUFFER_MAP_OFFSET:
+			if(clientVersion >= 3)
+			{
+				*params = (GLint)buffer->offset();
+				break;
+			}
+			else return error(GL_INVALID_ENUM);
+		default:
+			return error(GL_INVALID_ENUM);
+		}
+	}
+}
+
+GLenum GetError(void)
+{
+	TRACE("()");
+
+	es2::Context *context = es2::getContext();
+
+	if(context)
+	{
+		return context->getError();
+	}
+
+	return GL_NO_ERROR;
+}
+
+void GetFenceivNV(GLuint fence, GLenum pname, GLint *params)
+{
+	TRACE("(GLuint fence = %d, GLenum pname = 0x%X, GLint *params = %p)", fence, pname, params);
+
+	es2::Context *context = es2::getContext();
+
+	if(context)
+	{
+		es2::Fence *fenceObject = context->getFence(fence);
+
+		if(!fenceObject)
+		{
+			return error(GL_INVALID_OPERATION);
+		}
+
+		fenceObject->getFenceiv(pname, params);
+	}
+}
+
+void GetFloatv(GLenum pname, GLfloat* params)
+{
+	TRACE("(GLenum pname = 0x%X, GLfloat* params = %p)", pname, params);
+
+	es2::Context *context = es2::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 = nullptr;
+				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 = nullptr;
+				intParams = new GLint[numParams];
+
+				context->getIntegerv(pname, intParams);
+
+				for(unsigned int i = 0; i < numParams; ++i)
+				{
+					params[i] = (GLfloat)intParams[i];
+				}
+
+				delete [] intParams;
+			}
+		}
+	}
+}
+
+void GetFramebufferAttachmentParameteriv(GLenum target, GLenum attachment, GLenum pname, GLint* params)
+{
+	TRACE("(GLenum target = 0x%X, GLenum attachment = 0x%X, GLenum pname = 0x%X, GLint* params = %p)",
+	      target, attachment, pname, params);
+
+	es2::Context *context = es2::getContext();
+
+	if(context)
+	{
+		if(target != GL_FRAMEBUFFER && target != GL_DRAW_FRAMEBUFFER && target != GL_READ_FRAMEBUFFER)
+		{
+			return error(GL_INVALID_ENUM);
+		}
+
+		GLint clientVersion = context->getClientVersion();
+
+		es2::Framebuffer *framebuffer = nullptr;
+		if(target == GL_READ_FRAMEBUFFER)
+		{
+			if(context->getReadFramebufferName() == 0)
+			{
+				if(clientVersion < 3)
+				{
+					return error(GL_INVALID_OPERATION);
+				}
+				else
+				{
+					switch(attachment)
+					{
+					case GL_BACK:
+					case GL_DEPTH:
+					case GL_STENCIL:
+						break;
+					default:
+						return error(GL_INVALID_ENUM);
+					}
+				}
+			}
+
+			framebuffer = context->getReadFramebuffer();
+		}
+		else
+		{
+			if(context->getDrawFramebufferName() == 0)
+			{
+				if(clientVersion < 3)
+				{
+					return error(GL_INVALID_OPERATION);
+				}
+				else
+				{
+					switch(attachment)
+					{
+					case GL_BACK:
+					case GL_DEPTH:
+					case GL_STENCIL:
+						break;
+					default:
+						return error(GL_INVALID_ENUM);
+					}
+				}
+			}
+
+			framebuffer = context->getDrawFramebuffer();
+		}
+
+		GLenum attachmentType;
+		GLuint attachmentHandle;
+		GLint attachmentLayer;
+		Renderbuffer* renderbuffer = nullptr;
+		switch(attachment)
+		{
+		case GL_BACK:
+			if(clientVersion >= 3)
+			{
+				attachmentType = framebuffer->getColorbufferType(0);
+				attachmentHandle = framebuffer->getColorbufferName(0);
+				attachmentLayer = framebuffer->getColorbufferLayer(0);
+				renderbuffer = framebuffer->getColorbuffer(0);
+			}
+			else return error(GL_INVALID_ENUM);
+			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:
+			if((attachment - GL_COLOR_ATTACHMENT0) >= MAX_COLOR_ATTACHMENTS)
+			{
+				return error(GL_INVALID_ENUM);
+			}
+			attachmentType = framebuffer->getColorbufferType(attachment - GL_COLOR_ATTACHMENT0);
+			attachmentHandle = framebuffer->getColorbufferName(attachment - GL_COLOR_ATTACHMENT0);
+			attachmentLayer = framebuffer->getColorbufferLayer(attachment - GL_COLOR_ATTACHMENT0);
+			renderbuffer = framebuffer->getColorbuffer(attachment - GL_COLOR_ATTACHMENT0);
+			break;
+		case GL_DEPTH:
+			if(clientVersion < 3)
+			{
+				return error(GL_INVALID_ENUM);
+			}
+			// fall through
+		case GL_DEPTH_ATTACHMENT:
+			attachmentType = framebuffer->getDepthbufferType();
+			attachmentHandle = framebuffer->getDepthbufferName();
+			attachmentLayer = framebuffer->getDepthbufferLayer();
+			renderbuffer = framebuffer->getDepthbuffer();
+			break;
+		case GL_STENCIL:
+			if(clientVersion < 3)
+			{
+				return error(GL_INVALID_ENUM);
+			}
+			// fall through
+		case GL_STENCIL_ATTACHMENT:
+			attachmentType = framebuffer->getStencilbufferType();
+			attachmentHandle = framebuffer->getStencilbufferName();
+			attachmentLayer = framebuffer->getStencilbufferLayer();
+			renderbuffer = framebuffer->getStencilbuffer();
+			break;
+		case GL_DEPTH_STENCIL_ATTACHMENT:
+			if(clientVersion >= 3)
+			{
+				attachmentType = framebuffer->getDepthbufferType();
+				attachmentHandle = framebuffer->getDepthbufferName();
+				attachmentLayer = framebuffer->getDepthbufferLayer();
+				if(attachmentHandle != framebuffer->getStencilbufferName())
+				{
+					// Different attachments to DEPTH and STENCIL, query fails
+					return error(GL_INVALID_OPERATION);
+				}
+				renderbuffer = framebuffer->getDepthbuffer();
+			}
+			else return error(GL_INVALID_ENUM);
+			break;
+		default:
+			return error(GL_INVALID_ENUM);
+		}
+
+		GLenum attachmentObjectType = GL_NONE;   // Type category
+		if(attachmentType == GL_NONE || Framebuffer::IsRenderbuffer(attachmentType))
+		{
+			attachmentObjectType = attachmentType;
+		}
+		else if(es2::IsTextureTarget(attachmentType))
+		{
+			attachmentObjectType = GL_TEXTURE;
+		}
+		else UNREACHABLE(attachmentType);
+
+		if(attachmentObjectType != GL_NONE)
+		{
+			switch(pname)
+			{
+			case GL_FRAMEBUFFER_ATTACHMENT_OBJECT_TYPE:
+				*params = attachmentObjectType;
+				break;
+			case GL_FRAMEBUFFER_ATTACHMENT_OBJECT_NAME:
+				if(Framebuffer::IsRenderbuffer(attachmentObjectType) || attachmentObjectType == GL_TEXTURE)
+				{
+					*params = attachmentHandle;
+				}
+				else
+				{
+					return error(GL_INVALID_ENUM);
+				}
+				break;
+			case GL_FRAMEBUFFER_ATTACHMENT_TEXTURE_LEVEL:
+				if(attachmentObjectType == GL_TEXTURE)
+				{
+					*params = clientVersion < 3 ? 0 : renderbuffer->getLevel(); // 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(es2::IsCubemapTextureTarget(attachmentType))
+					{
+						*params = attachmentType;
+					}
+					else
+					{
+						*params = 0;
+					}
+				}
+				else
+				{
+					return error(GL_INVALID_ENUM);
+				}
+				break;
+			case GL_FRAMEBUFFER_ATTACHMENT_TEXTURE_LAYER:
+				if(clientVersion >= 3)
+				{
+					*params = attachmentLayer;
+				}
+				else return error(GL_INVALID_ENUM);
+				break;
+			case GL_FRAMEBUFFER_ATTACHMENT_RED_SIZE:
+				if(clientVersion >= 3)
+				{
+					*params = renderbuffer->getRedSize();
+				}
+				else return error(GL_INVALID_ENUM);
+				break;
+			case GL_FRAMEBUFFER_ATTACHMENT_GREEN_SIZE:
+				if(clientVersion >= 3)
+				{
+					*params = renderbuffer->getGreenSize();
+				}
+				else return error(GL_INVALID_ENUM);
+				break;
+			case GL_FRAMEBUFFER_ATTACHMENT_BLUE_SIZE:
+				if(clientVersion >= 3)
+				{
+					*params = renderbuffer->getBlueSize();
+				}
+				else return error(GL_INVALID_ENUM);
+				break;
+			case GL_FRAMEBUFFER_ATTACHMENT_ALPHA_SIZE:
+				if(clientVersion >= 3)
+				{
+					*params = renderbuffer->getAlphaSize();
+				}
+				else return error(GL_INVALID_ENUM);
+				break;
+			case GL_FRAMEBUFFER_ATTACHMENT_DEPTH_SIZE:
+				if(clientVersion >= 3)
+				{
+					*params = renderbuffer->getDepthSize();
+				}
+				else return error(GL_INVALID_ENUM);
+				break;
+			case GL_FRAMEBUFFER_ATTACHMENT_STENCIL_SIZE:
+				if(clientVersion >= 3)
+				{
+					*params = renderbuffer->getStencilSize();
+				}
+				else return error(GL_INVALID_ENUM);
+				break;
+			case GL_FRAMEBUFFER_ATTACHMENT_COMPONENT_TYPE:
+				if(clientVersion >= 3)
+				{
+					if(attachment == GL_DEPTH_STENCIL_ATTACHMENT)
+					{
+						return error(GL_INVALID_OPERATION);
+					}
+
+					*params = sw2es::GetComponentType(renderbuffer->getInternalFormat(), attachment);
+				}
+				else return error(GL_INVALID_ENUM);
+				break;
+			case GL_FRAMEBUFFER_ATTACHMENT_COLOR_ENCODING:
+				if(clientVersion >= 3)
+				{
+					*params = GL_LINEAR; // FIXME: GL_SRGB will also be possible, when sRGB is added
+				}
+				else return error(GL_INVALID_ENUM);
+				break;
+			default:
+				return error(GL_INVALID_ENUM);
+			}
+		}
+		else
+		{
+			// ES 2.0.25 spec pg 127 states that if the value of FRAMEBUFFER_ATTACHMENT_OBJECT_TYPE
+			// is NONE, then querying any other pname will generate INVALID_ENUM.
+
+			// ES 3.0.2 spec pg 235 states that if the attachment type is none,
+			// GL_FRAMEBUFFER_ATTACHMENT_OBJECT_NAME will return zero and be an
+			// INVALID_OPERATION for all other pnames
+
+			switch(pname)
+			{
+			case GL_FRAMEBUFFER_ATTACHMENT_OBJECT_TYPE:
+				*params = GL_NONE;
+				break;
+
+			case GL_FRAMEBUFFER_ATTACHMENT_OBJECT_NAME:
+				if(clientVersion < 3)
+				{
+					return error(GL_INVALID_ENUM);
+				}
+				*params = 0;
+				break;
+
+			default:
+				if(clientVersion < 3)
+				{
+					return error(GL_INVALID_ENUM);
+				}
+				else
+				{
+					return error(GL_INVALID_OPERATION);
+				}
+			}
+		}
+	}
+}
+
+GLenum GetGraphicsResetStatusEXT(void)
+{
+	TRACE("()");
+
+	return GL_NO_ERROR;
+}
+
+void GetIntegerv(GLenum pname, GLint* params)
+{
+	TRACE("(GLenum pname = 0x%X, GLint* params = %p)", pname, params);
+
+	es2::Context *context = es2::getContext();
+
+	if(!context)
+	{
+		// Not strictly an error, but probably unintended or attempting to rely on non-compliant behavior
+		#ifdef __ANDROID__
+			ALOGI("expected_badness glGetIntegerv() called without current context.");
+		#else
+			ERR("glGetIntegerv() called without current context.");
+		#endif
+
+		// This is not spec compliant! When there is no current GL context, functions should
+		// have no side effects. Google Maps queries these values before creating a context,
+		// so we need this as a bug-compatible workaround.
+		switch(pname)
+		{
+		case GL_MAX_TEXTURE_SIZE:                 *params = es2::IMPLEMENTATION_MAX_TEXTURE_SIZE;  return;
+		case GL_MAX_VERTEX_TEXTURE_IMAGE_UNITS:   *params = es2::MAX_VERTEX_TEXTURE_IMAGE_UNITS;   return;
+		case GL_MAX_COMBINED_TEXTURE_IMAGE_UNITS: *params = es2::MAX_COMBINED_TEXTURE_IMAGE_UNITS; return;
+		case GL_STENCIL_BITS:                     *params = 8;                                     return;
+		case GL_ALIASED_LINE_WIDTH_RANGE:
+			params[0] = (GLint)es2::ALIASED_LINE_WIDTH_RANGE_MIN;
+			params[1] = (GLint)es2::ALIASED_LINE_WIDTH_RANGE_MAX;
+			return;
+		}
+	}
+
+	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 = nullptr;
+				boolParams = new GLboolean[numParams];
+
+				context->getBooleanv(pname, boolParams);
+
+				for(unsigned int i = 0; i < numParams; ++i)
+				{
+					params[i] = (boolParams[i] == GL_FALSE) ? 0 : 1;
+				}
+
+				delete [] boolParams;
+			}
+			else if(nativeType == GL_FLOAT)
+			{
+				GLfloat *floatParams = nullptr;
+				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] = es2::floatToInt(floatParams[i]);
+					}
+					else
+					{
+						params[i] = (GLint)(floatParams[i] > 0.0f ? floor(floatParams[i] + 0.5) : ceil(floatParams[i] - 0.5));
+					}
+				}
+
+				delete [] floatParams;
+			}
+		}
+	}
+}
+
+void GetProgramiv(GLuint program, GLenum pname, GLint* params)
+{
+	TRACE("(GLuint program = %d, GLenum pname = 0x%X, GLint* params = %p)", program, pname, params);
+
+	es2::Context *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);
+			}
+		}
+
+		GLint clientVersion = egl::getClientVersion();
+
+		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 = (GLint)programObject->getInfoLogLength();
+			return;
+		case GL_ATTACHED_SHADERS:
+			*params = programObject->getAttachedShadersCount();
+			return;
+		case GL_ACTIVE_ATTRIBUTES:
+			*params = (GLint)programObject->getActiveAttributeCount();
+			return;
+		case GL_ACTIVE_ATTRIBUTE_MAX_LENGTH:
+			*params = programObject->getActiveAttributeMaxLength();
+			return;
+		case GL_ACTIVE_UNIFORMS:
+			*params = (GLint)programObject->getActiveUniformCount();
+			return;
+		case GL_ACTIVE_UNIFORM_MAX_LENGTH:
+			*params = programObject->getActiveUniformMaxLength();
+			return;
+		case GL_ACTIVE_UNIFORM_BLOCKS:
+			if(clientVersion >= 3)
+			{
+				*params = (GLint)programObject->getActiveUniformBlockCount();
+				return;
+			}
+			else return error(GL_INVALID_ENUM);
+		case GL_ACTIVE_UNIFORM_BLOCK_MAX_NAME_LENGTH:
+			if(clientVersion >= 3)
+			{
+				*params = programObject->getActiveUniformBlockMaxLength();
+				return;
+			}
+			else return error(GL_INVALID_ENUM);
+		case GL_TRANSFORM_FEEDBACK_BUFFER_MODE:
+			if(clientVersion >= 3)
+			{
+				*params = programObject->getTransformFeedbackBufferMode();
+				return;
+			}
+			else return error(GL_INVALID_ENUM);
+		case GL_TRANSFORM_FEEDBACK_VARYINGS:
+			if(clientVersion >= 3)
+			{
+				*params = programObject->getTransformFeedbackVaryingCount();
+				return;
+			}
+			else return error(GL_INVALID_ENUM);
+		case GL_TRANSFORM_FEEDBACK_VARYING_MAX_LENGTH:
+			if(clientVersion >= 3)
+			{
+				*params = programObject->getTransformFeedbackVaryingMaxLength();
+				return;
+			}
+			else return error(GL_INVALID_ENUM);
+		case GL_PROGRAM_BINARY_RETRIEVABLE_HINT:
+			if(clientVersion >= 3)
+			{
+				*params = programObject->getBinaryRetrievableHint();
+				return;
+			}
+			else return error(GL_INVALID_ENUM);
+		case GL_PROGRAM_BINARY_LENGTH:
+			if(clientVersion >= 3)
+			{
+				*params = programObject->getBinaryLength();
+				return;
+			}
+			else return error(GL_INVALID_ENUM);
+		default:
+			return error(GL_INVALID_ENUM);
+		}
+	}
+}
+
+void GetProgramInfoLog(GLuint program, GLsizei bufsize, GLsizei* length, GLchar* infolog)
+{
+	TRACE("(GLuint program = %d, GLsizei bufsize = %d, GLsizei* length = %p, GLchar* infolog = %p)",
+	      program, bufsize, length, infolog);
+
+	if(bufsize < 0)
+	{
+		return error(GL_INVALID_VALUE);
+	}
+
+	es2::Context *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);
+			}
+		}
+
+		programObject->getInfoLog(bufsize, length, infolog);
+	}
+}
+
+void GetQueryivEXT(GLenum target, GLenum pname, GLint *params)
+{
+	TRACE("GLenum target = 0x%X, GLenum pname = 0x%X, GLint *params = %p)", target, pname, params);
+
+	switch(pname)
+	{
+	case GL_CURRENT_QUERY_EXT:
+		break;
+	default:
+		return error(GL_INVALID_ENUM);
+	}
+
+	es2::Context *context = es2::getContext();
+
+	if(context)
+	{
+		params[0] = context->getActiveQuery(target);
+	}
+}
+
+void GetQueryObjectuivEXT(GLuint name, GLenum pname, GLuint *params)
+{
+	TRACE("(GLuint name = %d, GLenum pname = 0x%X, GLuint *params = %p)", name, pname, params);
+
+	switch(pname)
+	{
+	case GL_QUERY_RESULT_EXT:
+	case GL_QUERY_RESULT_AVAILABLE_EXT:
+		break;
+	default:
+		return error(GL_INVALID_ENUM);
+	}
+
+	es2::Context *context = es2::getContext();
+
+	if(context)
+	{
+		es2::Query *queryObject = context->getQuery(name);
+
+		if(!queryObject)
+		{
+			return error(GL_INVALID_OPERATION);
+		}
+
+		if(context->getActiveQuery(queryObject->getType()) == name)
+		{
+			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);
+		}
+	}
+}
+
+void GetRenderbufferParameteriv(GLenum target, GLenum pname, GLint* params)
+{
+	TRACE("(GLenum target = 0x%X, GLenum pname = 0x%X, GLint* params = %p)", target, pname, params);
+
+	es2::Context *context = es2::getContext();
+
+	if(context)
+	{
+		if(target != GL_RENDERBUFFER)
+		{
+			return error(GL_INVALID_ENUM);
+		}
+
+		if(context->getRenderbufferName() == 0)
+		{
+			return error(GL_INVALID_OPERATION);
+		}
+
+		es2::Renderbuffer *renderbuffer = context->getRenderbuffer(context->getRenderbufferName());
+
+		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:   *params = renderbuffer->getSamples();     break;
+		default:
+			return error(GL_INVALID_ENUM);
+		}
+	}
+}
+
+void GetShaderiv(GLuint shader, GLenum pname, GLint* params)
+{
+	TRACE("(GLuint shader = %d, GLenum pname = %d, GLint* params = %p)", shader, pname, params);
+
+	es2::Context *context = es2::getContext();
+
+	if(context)
+	{
+		es2::Shader *shaderObject = context->getShader(shader);
+
+		if(!shaderObject)
+		{
+			if(context->getProgram(shader))
+			{
+				return error(GL_INVALID_OPERATION);
+			}
+			else
+			{
+				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 = (GLint)shaderObject->getInfoLogLength();
+			return;
+		case GL_SHADER_SOURCE_LENGTH:
+			*params = (GLint)shaderObject->getSourceLength();
+			return;
+		default:
+			return error(GL_INVALID_ENUM);
+		}
+	}
+}
+
+void GetShaderInfoLog(GLuint shader, GLsizei bufsize, GLsizei* length, GLchar* infolog)
+{
+	TRACE("(GLuint shader = %d, GLsizei bufsize = %d, GLsizei* length = %p, GLchar* infolog = %p)",
+	      shader, bufsize, length, infolog);
+
+	if(bufsize < 0)
+	{
+		return error(GL_INVALID_VALUE);
+	}
+
+	es2::Context *context = es2::getContext();
+
+	if(context)
+	{
+		es2::Shader *shaderObject = context->getShader(shader);
+
+		if(!shaderObject)
+		{
+			if(context->getProgram(shader))
+			{
+				return error(GL_INVALID_OPERATION);
+			}
+			else
+			{
+				return error(GL_INVALID_VALUE);
+			}
+		}
+
+		shaderObject->getInfoLog(bufsize, length, infolog);
+	}
+}
+
+void GetShaderPrecisionFormat(GLenum shadertype, GLenum precisiontype, GLint* range, GLint* precision)
+{
+	TRACE("(GLenum shadertype = 0x%X, GLenum precisiontype = 0x%X, GLint* range = %p, GLint* precision = %p)",
+	      shadertype, precisiontype, range, precision);
+
+	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:
+		// Full integer precision is supported
+		range[0] = 31;
+		range[1] = 30;
+		*precision = 0;
+		break;
+	default:
+		return error(GL_INVALID_ENUM);
+	}
+}
+
+void GetShaderSource(GLuint shader, GLsizei bufsize, GLsizei* length, GLchar* source)
+{
+	TRACE("(GLuint shader = %d, GLsizei bufsize = %d, GLsizei* length = %p, GLchar* source = %p)",
+	      shader, bufsize, length, source);
+
+	if(bufsize < 0)
+	{
+		return error(GL_INVALID_VALUE);
+	}
+
+	es2::Context *context = es2::getContext();
+
+	if(context)
+	{
+		es2::Shader *shaderObject = context->getShader(shader);
+
+		if(!shaderObject)
+		{
+			if(context->getProgram(shader))
+			{
+				return error(GL_INVALID_OPERATION);
+			}
+			else
+			{
+				return error(GL_INVALID_VALUE);
+			}
+		}
+
+		shaderObject->getSource(bufsize, length, source);
+	}
+}
+
+const GLubyte* GetString(GLenum name)
+{
+	TRACE("(GLenum name = 0x%X)", name);
+
+	switch(name)
+	{
+	case GL_VENDOR:
+		return (GLubyte*)"Google Inc.";
+	case GL_RENDERER:
+		return (GLubyte*)"Google SwiftShader";
+	case GL_VERSION:
+	{
+		es2::Context *context = es2::getContext();
+		return (context && (context->getClientVersion() >= 3)) ?
+		       (GLubyte*)"OpenGL ES 3.0 SwiftShader " VERSION_STRING :
+		       (GLubyte*)"OpenGL ES 2.0 SwiftShader " VERSION_STRING;
+	}
+	case GL_SHADING_LANGUAGE_VERSION:
+	{
+		es2::Context *context = es2::getContext();
+		return (context && (context->getClientVersion() >= 3)) ?
+		       (GLubyte*)"OpenGL ES GLSL ES 3.00 SwiftShader " VERSION_STRING :
+		       (GLubyte*)"OpenGL ES GLSL ES 1.00 SwiftShader " VERSION_STRING;
+	}
+	case GL_EXTENSIONS:
+	{
+		es2::Context *context = es2::getContext();
+		return context ? context->getExtensions(GL_INVALID_INDEX) : (GLubyte*)nullptr;
+	}
+	default:
+		return error(GL_INVALID_ENUM, (GLubyte*)nullptr);
+	}
+}
+
+void GetTexParameterfv(GLenum target, GLenum pname, GLfloat* params)
+{
+	TRACE("(GLenum target = 0x%X, GLenum pname = 0x%X, GLfloat* params = %p)", target, pname, params);
+
+	es2::Context *context = es2::getContext();
+
+	if(context)
+	{
+		es2::Texture *texture;
+
+		GLint clientVersion = context->getClientVersion();
+
+		switch(target)
+		{
+		case GL_TEXTURE_2D:
+			texture = context->getTexture2D();
+			break;
+		case GL_TEXTURE_CUBE_MAP:
+			texture = context->getTextureCubeMap();
+			break;
+		case GL_TEXTURE_EXTERNAL_OES:
+			texture = context->getTextureExternal();
+			break;
+		case GL_TEXTURE_2D_ARRAY:
+			if(clientVersion < 3)
+			{
+				return error(GL_INVALID_ENUM);
+			}
+			else
+			{
+				texture = context->getTexture2DArray();
+			}
+			break;
+		case GL_TEXTURE_3D_OES:
+			texture = context->getTexture3D();
+			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_WRAP_R_OES:
+			*params = (GLfloat)texture->getWrapR();
+			break;
+		case GL_TEXTURE_MAX_ANISOTROPY_EXT:
+			*params = texture->getMaxAnisotropy();
+			break;
+		case GL_REQUIRED_TEXTURE_IMAGE_UNITS_OES:
+			*params = (GLfloat)1;
+			break;
+		case GL_TEXTURE_BASE_LEVEL:
+			if(clientVersion >= 3)
+			{
+				*params = (GLfloat)texture->getBaseLevel();
+				break;
+			}
+			else return error(GL_INVALID_ENUM);
+		case GL_TEXTURE_COMPARE_FUNC:
+			if(clientVersion >= 3)
+			{
+				*params = (GLfloat)texture->getCompareFunc();
+				break;
+			}
+			else return error(GL_INVALID_ENUM);
+		case GL_TEXTURE_COMPARE_MODE:
+			if(clientVersion >= 3)
+			{
+				*params = (GLfloat)texture->getCompareMode();
+				break;
+			}
+			else return error(GL_INVALID_ENUM);
+		case GL_TEXTURE_IMMUTABLE_FORMAT:
+			if(clientVersion >= 3)
+			{
+				*params = (GLfloat)texture->getImmutableFormat();
+				break;
+			}
+			else return error(GL_INVALID_ENUM);
+		case GL_TEXTURE_IMMUTABLE_LEVELS:
+			if(clientVersion >= 3)
+			{
+				*params = (GLfloat)texture->getImmutableLevels();
+				break;
+			}
+			else return error(GL_INVALID_ENUM);
+		case GL_TEXTURE_MAX_LEVEL:
+			if(clientVersion >= 3)
+			{
+				*params = (GLfloat)texture->getMaxLevel();
+				break;
+			}
+			else return error(GL_INVALID_ENUM);
+		case GL_TEXTURE_MAX_LOD:
+			if(clientVersion >= 3)
+			{
+				*params = texture->getMaxLOD();
+				break;
+			}
+			else return error(GL_INVALID_ENUM);
+		case GL_TEXTURE_MIN_LOD:
+			if(clientVersion >= 3)
+			{
+				*params = texture->getMinLOD();
+				break;
+			}
+			else return error(GL_INVALID_ENUM);
+		case GL_TEXTURE_SWIZZLE_R:
+			if(clientVersion >= 3)
+			{
+				*params = (GLfloat)texture->getSwizzleR();
+				break;
+			}
+			else return error(GL_INVALID_ENUM);
+		case GL_TEXTURE_SWIZZLE_G:
+			if(clientVersion >= 3)
+			{
+				*params = (GLfloat)texture->getSwizzleG();
+				break;
+			}
+			else return error(GL_INVALID_ENUM);
+		case GL_TEXTURE_SWIZZLE_B:
+			if(clientVersion >= 3)
+			{
+				*params = (GLfloat)texture->getSwizzleB();
+				break;
+			}
+			else return error(GL_INVALID_ENUM);
+		case GL_TEXTURE_SWIZZLE_A:
+			if(clientVersion >= 3)
+			{
+				*params = (GLfloat)texture->getSwizzleA();
+				break;
+			}
+			else return error(GL_INVALID_ENUM);
+		default:
+			return error(GL_INVALID_ENUM);
+		}
+	}
+}
+
+void GetTexParameteriv(GLenum target, GLenum pname, GLint* params)
+{
+	TRACE("(GLenum target = 0x%X, GLenum pname = 0x%X, GLint* params = %p)", target, pname, params);
+
+	es2::Context *context = es2::getContext();
+
+	if(context)
+	{
+		es2::Texture *texture;
+
+		GLint clientVersion = context->getClientVersion();
+
+		switch(target)
+		{
+		case GL_TEXTURE_2D:
+			texture = context->getTexture2D();
+			break;
+		case GL_TEXTURE_CUBE_MAP:
+			texture = context->getTextureCubeMap();
+			break;
+		case GL_TEXTURE_EXTERNAL_OES:
+			texture = context->getTextureExternal();
+			break;
+		case GL_TEXTURE_2D_ARRAY:
+			if(clientVersion < 3)
+			{
+				return error(GL_INVALID_ENUM);
+			}
+			else
+			{
+				texture = context->getTexture2DArray();
+			}
+			break;
+		case GL_TEXTURE_3D_OES:
+			texture = context->getTexture3D();
+			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_WRAP_R_OES:
+			*params = texture->getWrapR();
+			break;
+		case GL_TEXTURE_MAX_ANISOTROPY_EXT:
+			*params = (GLint)texture->getMaxAnisotropy();
+			break;
+		case GL_REQUIRED_TEXTURE_IMAGE_UNITS_OES:
+			*params = 1;
+			break;
+		case GL_TEXTURE_BASE_LEVEL:
+			if(clientVersion >= 3)
+			{
+				*params = texture->getBaseLevel();
+				break;
+			}
+			else return error(GL_INVALID_ENUM);
+		case GL_TEXTURE_COMPARE_FUNC:
+			if(clientVersion >= 3)
+			{
+				*params = (GLint)texture->getCompareFunc();
+				break;
+			}
+			else return error(GL_INVALID_ENUM);
+		case GL_TEXTURE_COMPARE_MODE:
+			if(clientVersion >= 3)
+			{
+				*params = (GLint)texture->getCompareMode();
+				break;
+			}
+			else return error(GL_INVALID_ENUM);
+		case GL_TEXTURE_IMMUTABLE_FORMAT:
+			if(clientVersion >= 3)
+			{
+				*params = (GLint)texture->getImmutableFormat();
+				break;
+			}
+			else return error(GL_INVALID_ENUM);
+		case GL_TEXTURE_IMMUTABLE_LEVELS:
+			if(clientVersion >= 3)
+			{
+				*params = (GLint)texture->getImmutableLevels();
+				break;
+			}
+			else return error(GL_INVALID_ENUM);
+		case GL_TEXTURE_MAX_LEVEL:
+			if(clientVersion >= 3)
+			{
+				*params = texture->getMaxLevel();
+				break;
+			}
+			else return error(GL_INVALID_ENUM);
+		case GL_TEXTURE_MAX_LOD:
+			if(clientVersion >= 3)
+			{
+				*params = (GLint)roundf(texture->getMaxLOD());
+				break;
+			}
+			else return error(GL_INVALID_ENUM);
+		case GL_TEXTURE_MIN_LOD:
+			if(clientVersion >= 3)
+			{
+				*params = (GLint)roundf(texture->getMinLOD());
+				break;
+			}
+			else return error(GL_INVALID_ENUM);
+		case GL_TEXTURE_SWIZZLE_R:
+			if(clientVersion >= 3)
+			{
+				*params = (GLint)texture->getSwizzleR();
+				break;
+			}
+			else return error(GL_INVALID_ENUM);
+		case GL_TEXTURE_SWIZZLE_G:
+			if(clientVersion >= 3)
+			{
+				*params = (GLint)texture->getSwizzleG();
+				break;
+			}
+			else return error(GL_INVALID_ENUM);
+		case GL_TEXTURE_SWIZZLE_B:
+			if(clientVersion >= 3)
+			{
+				*params = (GLint)texture->getSwizzleB();
+				break;
+			}
+			else return error(GL_INVALID_ENUM);
+		case GL_TEXTURE_SWIZZLE_A:
+			if(clientVersion >= 3)
+			{
+				*params = (GLint)texture->getSwizzleA();
+				break;
+			}
+			else return error(GL_INVALID_ENUM);
+		default:
+			return error(GL_INVALID_ENUM);
+		}
+	}
+}
+
+void GetnUniformfvEXT(GLuint program, GLint location, GLsizei bufSize, GLfloat* params)
+{
+	TRACE("(GLuint program = %d, GLint location = %d, GLsizei bufSize = %d, GLfloat* params = %p)",
+	      program, location, bufSize, params);
+
+	if(bufSize < 0)
+	{
+		return error(GL_INVALID_VALUE);
+	}
+
+	es2::Context *context = es2::getContext();
+
+	if(context)
+	{
+		if(program == 0)
+		{
+			return error(GL_INVALID_VALUE);
+		}
+
+		es2::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);
+		}
+	}
+}
+
+void GetUniformfv(GLuint program, GLint location, GLfloat* params)
+{
+	TRACE("(GLuint program = %d, GLint location = %d, GLfloat* params = %p)", program, location, params);
+
+	es2::Context *context = es2::getContext();
+
+	if(context)
+	{
+		if(program == 0)
+		{
+			return error(GL_INVALID_VALUE);
+		}
+
+		es2::Program *programObject = context->getProgram(program);
+
+		if(!programObject || !programObject->isLinked())
+		{
+			return error(GL_INVALID_OPERATION);
+		}
+
+		if(!programObject->getUniformfv(location, nullptr, params))
+		{
+			return error(GL_INVALID_OPERATION);
+		}
+	}
+}
+
+void GetnUniformivEXT(GLuint program, GLint location, GLsizei bufSize, GLint* params)
+{
+	TRACE("(GLuint program = %d, GLint location = %d, GLsizei bufSize = %d, GLint* params = %p)",
+	      program, location, bufSize, params);
+
+	if(bufSize < 0)
+	{
+		return error(GL_INVALID_VALUE);
+	}
+
+	es2::Context *context = es2::getContext();
+
+	if(context)
+	{
+		if(program == 0)
+		{
+			return error(GL_INVALID_VALUE);
+		}
+
+		es2::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);
+		}
+	}
+}
+
+void GetUniformiv(GLuint program, GLint location, GLint* params)
+{
+	TRACE("(GLuint program = %d, GLint location = %d, GLint* params = %p)", program, location, params);
+
+	es2::Context *context = es2::getContext();
+
+	if(context)
+	{
+		if(program == 0)
+		{
+			return error(GL_INVALID_VALUE);
+		}
+
+		es2::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, nullptr, params))
+		{
+			return error(GL_INVALID_OPERATION);
+		}
+	}
+}
+
+int GetUniformLocation(GLuint program, const GLchar* name)
+{
+	TRACE("(GLuint program = %d, const GLchar* name = %s)", program, name);
+
+	es2::Context *context = es2::getContext();
+
+	if(strstr(name, "gl_") == name)
+	{
+		return -1;
+	}
+
+	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->getUniformLocation(name);
+	}
+
+	return -1;
+}
+
+void GetVertexAttribfv(GLuint index, GLenum pname, GLfloat* params)
+{
+	TRACE("(GLuint index = %d, GLenum pname = 0x%X, GLfloat* params = %p)", index, pname, params);
+
+	es2::Context *context = es2::getContext();
+
+	if(context)
+	{
+		if(index >= es2::MAX_VERTEX_ATTRIBS)
+		{
+			return error(GL_INVALID_VALUE);
+		}
+
+		const es2::VertexAttribute &attribState = context->getVertexAttribState(index);
+
+		GLint clientVersion = context->getClientVersion();
+
+		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.name();
+			break;
+		case GL_CURRENT_VERTEX_ATTRIB:
+			{
+				const VertexAttribute& attrib = context->getCurrentVertexAttributes()[index];
+				for(int i = 0; i < 4; ++i)
+				{
+					params[i] = attrib.getCurrentValueF(i);
+				}
+			}
+			break;
+		case GL_VERTEX_ATTRIB_ARRAY_INTEGER:
+			if(clientVersion >= 3)
+			{
+				switch(attribState.mType)
+				{
+				case GL_BYTE:
+				case GL_UNSIGNED_BYTE:
+				case GL_SHORT:
+				case GL_UNSIGNED_SHORT:
+				case GL_INT:
+				case GL_INT_2_10_10_10_REV:
+				case GL_UNSIGNED_INT:
+				case GL_FIXED:
+					*params = (GLfloat)GL_TRUE;
+					break;
+				default:
+					*params = (GLfloat)GL_FALSE;
+					break;
+				}
+				break;
+			}
+			else return error(GL_INVALID_ENUM);
+		default: return error(GL_INVALID_ENUM);
+		}
+	}
+}
+
+void GetVertexAttribiv(GLuint index, GLenum pname, GLint* params)
+{
+	TRACE("(GLuint index = %d, GLenum pname = 0x%X, GLint* params = %p)", index, pname, params);
+
+	es2::Context *context = es2::getContext();
+
+	if(context)
+	{
+		if(index >= es2::MAX_VERTEX_ATTRIBS)
+		{
+			return error(GL_INVALID_VALUE);
+		}
+
+		const es2::VertexAttribute &attribState = context->getVertexAttribState(index);
+
+		GLint clientVersion = context->getClientVersion();
+
+		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)
+				{
+					float currentValue = attrib.getCurrentValueF(i);
+					params[i] = (GLint)(currentValue > 0.0f ? floor(currentValue + 0.5f) : ceil(currentValue - 0.5f));
+				}
+			}
+			break;
+		case GL_VERTEX_ATTRIB_ARRAY_INTEGER:
+			if(clientVersion >= 3)
+			{
+				switch(attribState.mType)
+				{
+				case GL_BYTE:
+				case GL_UNSIGNED_BYTE:
+				case GL_SHORT:
+				case GL_UNSIGNED_SHORT:
+				case GL_INT:
+				case GL_INT_2_10_10_10_REV:
+				case GL_UNSIGNED_INT:
+				case GL_FIXED:
+					*params = GL_TRUE;
+					break;
+				default:
+					*params = GL_FALSE;
+					break;
+				}
+				break;
+			}
+			else return error(GL_INVALID_ENUM);
+		default: return error(GL_INVALID_ENUM);
+		}
+	}
+}
+
+void GetVertexAttribPointerv(GLuint index, GLenum pname, GLvoid** pointer)
+{
+	TRACE("(GLuint index = %d, GLenum pname = 0x%X, GLvoid** pointer = %p)", index, pname, pointer);
+
+	es2::Context *context = es2::getContext();
+
+	if(context)
+	{
+		if(index >= es2::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));
+	}
+}
+
+void Hint(GLenum target, GLenum mode)
+{
+	TRACE("(GLenum target = 0x%X, GLenum mode = 0x%X)", target, mode);
+
+	switch(mode)
+	{
+	case GL_FASTEST:
+	case GL_NICEST:
+	case GL_DONT_CARE:
+		break;
+	default:
+		return error(GL_INVALID_ENUM);
+	}
+
+	es2::Context *context = es2::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);
+	}
+}
+
+GLboolean IsBuffer(GLuint buffer)
+{
+	TRACE("(GLuint buffer = %d)", buffer);
+
+	es2::Context *context = es2::getContext();
+
+	if(context && buffer)
+	{
+		es2::Buffer *bufferObject = context->getBuffer(buffer);
+
+		if(bufferObject)
+		{
+			return GL_TRUE;
+		}
+	}
+
+	return GL_FALSE;
+}
+
+GLboolean IsEnabled(GLenum cap)
+{
+	TRACE("(GLenum cap = 0x%X)", cap);
+
+	es2::Context *context = es2::getContext();
+
+	if(context)
+	{
+		GLint clientVersion = context->getClientVersion();
+
+		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();
+		case GL_PRIMITIVE_RESTART_FIXED_INDEX:
+			if(clientVersion >= 3)
+			{
+				return context->isPrimitiveRestartFixedIndexEnabled();
+			}
+			else return error(GL_INVALID_ENUM, false);
+		case GL_RASTERIZER_DISCARD:
+			if(clientVersion >= 3)
+			{
+				return context->isRasterizerDiscardEnabled();
+			}
+			else return error(GL_INVALID_ENUM, false);
+		default:
+			return error(GL_INVALID_ENUM, false);
+		}
+	}
+
+	return false;
+}
+
+GLboolean IsFenceNV(GLuint fence)
+{
+	TRACE("(GLuint fence = %d)", fence);
+
+	es2::Context *context = es2::getContext();
+
+	if(context)
+	{
+		es2::Fence *fenceObject = context->getFence(fence);
+
+		if(!fenceObject)
+		{
+			return GL_FALSE;
+		}
+
+		return fenceObject->isFence();
+	}
+
+	return GL_FALSE;
+}
+
+GLboolean IsFramebuffer(GLuint framebuffer)
+{
+	TRACE("(GLuint framebuffer = %d)", framebuffer);
+
+	es2::Context *context = es2::getContext();
+
+	if(context && framebuffer)
+	{
+		es2::Framebuffer *framebufferObject = context->getFramebuffer(framebuffer);
+
+		if(framebufferObject)
+		{
+			return GL_TRUE;
+		}
+	}
+
+	return GL_FALSE;
+}
+
+GLboolean IsProgram(GLuint program)
+{
+	TRACE("(GLuint program = %d)", program);
+
+	es2::Context *context = es2::getContext();
+
+	if(context && program)
+	{
+		es2::Program *programObject = context->getProgram(program);
+
+		if(programObject)
+		{
+			return GL_TRUE;
+		}
+	}
+
+	return GL_FALSE;
+}
+
+GLboolean IsQueryEXT(GLuint name)
+{
+	TRACE("(GLuint name = %d)", name);
+
+	if(name == 0)
+	{
+		return GL_FALSE;
+	}
+
+	es2::Context *context = es2::getContext();
+
+	if(context)
+	{
+		es2::Query *queryObject = context->getQuery(name);
+
+		if(queryObject)
+		{
+			return GL_TRUE;
+		}
+	}
+
+	return GL_FALSE;
+}
+
+GLboolean IsRenderbuffer(GLuint renderbuffer)
+{
+	TRACE("(GLuint renderbuffer = %d)", renderbuffer);
+
+	es2::Context *context = es2::getContext();
+
+	if(context && renderbuffer)
+	{
+		es2::Renderbuffer *renderbufferObject = context->getRenderbuffer(renderbuffer);
+
+		if(renderbufferObject)
+		{
+			return GL_TRUE;
+		}
+	}
+
+	return GL_FALSE;
+}
+
+GLboolean IsShader(GLuint shader)
+{
+	TRACE("(GLuint shader = %d)", shader);
+
+	es2::Context *context = es2::getContext();
+
+	if(context && shader)
+	{
+		es2::Shader *shaderObject = context->getShader(shader);
+
+		if(shaderObject)
+		{
+			return GL_TRUE;
+		}
+	}
+
+	return GL_FALSE;
+}
+
+GLboolean IsTexture(GLuint texture)
+{
+	TRACE("(GLuint texture = %d)", texture);
+
+	es2::Context *context = es2::getContext();
+
+	if(context && texture)
+	{
+		es2::Texture *textureObject = context->getTexture(texture);
+
+		if(textureObject)
+		{
+			return GL_TRUE;
+		}
+	}
+
+	return GL_FALSE;
+}
+
+void LineWidth(GLfloat width)
+{
+	TRACE("(GLfloat width = %f)", width);
+
+	if(width <= 0.0f)
+	{
+		return error(GL_INVALID_VALUE);
+	}
+
+	es2::Context *context = es2::getContext();
+
+	if(context)
+	{
+		context->setLineWidth(width);
+	}
+}
+
+void LinkProgram(GLuint program)
+{
+	TRACE("(GLuint program = %d)", program);
+
+	es2::Context *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);
+			}
+		}
+
+		programObject->link();
+	}
+}
+
+void PixelStorei(GLenum pname, GLint param)
+{
+	TRACE("(GLenum pname = 0x%X, GLint param = %d)", pname, param);
+
+	es2::Context *context = es2::getContext();
+
+	if(context)
+	{
+		GLint clientVersion = context->getClientVersion();
+
+		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;
+		case GL_PACK_ROW_LENGTH:
+			if(clientVersion >= 3)
+			{
+				if(param < 0)
+				{
+					return error(GL_INVALID_VALUE);
+				}
+				context->setPackRowLength(param);
+				break;
+			}
+			else return error(GL_INVALID_ENUM);
+		case GL_PACK_SKIP_PIXELS:
+			if(clientVersion >= 3)
+			{
+				if(param < 0)
+				{
+					return error(GL_INVALID_VALUE);
+				}
+				context->setPackSkipPixels(param);
+				break;
+			}
+			else return error(GL_INVALID_ENUM);
+		case GL_PACK_SKIP_ROWS:
+			if(clientVersion >= 3)
+			{
+				if(param < 0)
+				{
+					return error(GL_INVALID_VALUE);
+				}
+				context->setPackSkipRows(param);
+				break;
+			}
+			else return error(GL_INVALID_ENUM);
+		case GL_UNPACK_ROW_LENGTH:
+			if(clientVersion >= 3)
+			{
+				if(param < 0)
+				{
+					return error(GL_INVALID_VALUE);
+				}
+				context->setUnpackRowLength(param);
+				break;
+			}
+			else return error(GL_INVALID_ENUM);
+		case GL_UNPACK_IMAGE_HEIGHT:
+			if(clientVersion >= 3)
+			{
+				if(param < 0)
+				{
+					return error(GL_INVALID_VALUE);
+				}
+				context->setUnpackImageHeight(param);
+				break;
+			}
+			else return error(GL_INVALID_ENUM);
+		case GL_UNPACK_SKIP_PIXELS:
+			if(clientVersion >= 3)
+			{
+				if(param < 0)
+				{
+					return error(GL_INVALID_VALUE);
+				}
+				context->setUnpackSkipPixels(param);
+				break;
+			}
+			else return error(GL_INVALID_ENUM);
+		case GL_UNPACK_SKIP_ROWS:
+			if(clientVersion >= 3)
+			{
+				if(param < 0)
+				{
+					return error(GL_INVALID_VALUE);
+				}
+				context->setUnpackSkipRows(param);
+				break;
+			}
+			else return error(GL_INVALID_ENUM);
+		case GL_UNPACK_SKIP_IMAGES:
+			if(clientVersion >= 3) {
+				if(param < 0)
+				{
+					return error(GL_INVALID_VALUE);
+				}
+				context->setUnpackSkipImages(param);
+				break;
+			}
+			else return error(GL_INVALID_ENUM);
+		default:
+			return error(GL_INVALID_ENUM);
+		}
+	}
+}
+
+void PolygonOffset(GLfloat factor, GLfloat units)
+{
+	TRACE("(GLfloat factor = %f, GLfloat units = %f)", factor, units);
+
+	es2::Context *context = es2::getContext();
+
+	if(context)
+	{
+		context->setPolygonOffsetParams(factor, units);
+	}
+}
+
+void ReadnPixelsEXT(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 = %p)",
+	      x, y, width, height, format, type, bufSize, data);
+
+	if(width < 0 || height < 0 || bufSize < 0)
+	{
+		return error(GL_INVALID_VALUE);
+	}
+
+	es2::Context *context = es2::getContext();
+
+	if(context)
+	{
+		context->readPixels(x, y, width, height, format, type, &bufSize, data);
+	}
+}
+
+void ReadPixels(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 = %p)",
+	      x, y, width, height, format, type,  pixels);
+
+	if(width < 0 || height < 0)
+	{
+		return error(GL_INVALID_VALUE);
+	}
+
+	es2::Context *context = es2::getContext();
+
+	if(context)
+	{
+		context->readPixels(x, y, width, height, format, type, nullptr, pixels);
+	}
+}
+
+void ReleaseShaderCompiler(void)
+{
+	TRACE("()");
+
+	es2::Shader::releaseCompiler();
+}
+
+void RenderbufferStorageMultisampleANGLE(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);
+
+	switch(target)
+	{
+	case GL_RENDERBUFFER:
+		break;
+	default:
+		return error(GL_INVALID_ENUM);
+	}
+
+	if(width < 0 || height < 0 || samples < 0)
+	{
+		return error(GL_INVALID_VALUE);
+	}
+
+	es2::Context *context = es2::getContext();
+
+	if(context)
+	{
+		if(width > es2::IMPLEMENTATION_MAX_RENDERBUFFER_SIZE ||
+		   height > es2::IMPLEMENTATION_MAX_RENDERBUFFER_SIZE ||
+		   samples > es2::IMPLEMENTATION_MAX_SAMPLES)
+		{
+			return error(GL_INVALID_VALUE);
+		}
+
+		GLuint handle = context->getRenderbufferName();
+		if(handle == 0)
+		{
+			return error(GL_INVALID_OPERATION);
+		}
+
+		GLint clientVersion = context->getClientVersion();
+		switch(internalformat)
+		{
+		case GL_DEPTH_COMPONENT32F:
+			if(clientVersion < 3)
+			{
+				return error(GL_INVALID_ENUM);
+			}
+			// fall through
+		case GL_DEPTH_COMPONENT16:
+		case GL_DEPTH_COMPONENT24:
+		case GL_DEPTH_COMPONENT32_OES:
+			context->setRenderbufferStorage(new es2::Depthbuffer(width, height, internalformat, samples));
+			break;
+		case GL_R8:
+		case GL_R8UI:
+		case GL_R8I:
+		case GL_R16UI:
+		case GL_R16I:
+		case GL_R32UI:
+		case GL_R32I:
+		case GL_RG8:
+		case GL_RG8UI:
+		case GL_RG8I:
+		case GL_RG16UI:
+		case GL_RG16I:
+		case GL_RG32UI:
+		case GL_RG32I:
+		case GL_SRGB8_ALPHA8:
+		case GL_RGB10_A2:
+		case GL_RGBA8UI:
+		case GL_RGBA8I:
+		case GL_RGB10_A2UI:
+		case GL_RGBA16UI:
+		case GL_RGBA16I:
+		case GL_RGBA32I:
+		case GL_RGBA32UI:
+		case GL_R11F_G11F_B10F:
+		case GL_R32F:
+		case GL_RG32F:
+		case GL_RGB32F:
+		case GL_RGBA32F:
+			if(clientVersion < 3)
+			{
+				return error(GL_INVALID_ENUM);
+			}
+			// fall through
+		case GL_RGBA4:
+		case GL_RGB5_A1:
+		case GL_RGB565:
+		case GL_RGB8_OES:
+		case GL_RGBA8_OES:
+		case GL_R16F:
+		case GL_RG16F:
+		case GL_RGB16F:
+		case GL_RGBA16F:
+			context->setRenderbufferStorage(new es2::Colorbuffer(width, height, internalformat, samples));
+			break;
+		case GL_STENCIL_INDEX8:
+			context->setRenderbufferStorage(new es2::Stencilbuffer(width, height, samples));
+			break;
+		case GL_DEPTH32F_STENCIL8:
+			if(clientVersion < 3)
+			{
+				return error(GL_INVALID_ENUM);
+			}
+			// fall through
+		case GL_DEPTH24_STENCIL8_OES:
+			context->setRenderbufferStorage(new es2::DepthStencilbuffer(width, height, internalformat, samples));
+			break;
+		default:
+			return error(GL_INVALID_ENUM);
+		}
+	}
+}
+
+void RenderbufferStorage(GLenum target, GLenum internalformat, GLsizei width, GLsizei height)
+{
+	glRenderbufferStorageMultisampleANGLE(target, 0, internalformat, width, height);
+}
+
+void SampleCoverage(GLclampf value, GLboolean invert)
+{
+	TRACE("(GLclampf value = %f, GLboolean invert = %d)", value, invert);
+
+	es2::Context* context = es2::getContext();
+
+	if(context)
+	{
+		context->setSampleCoverageParams(es2::clamp01(value), invert == GL_TRUE);
+	}
+}
+
+void SetFenceNV(GLuint fence, GLenum condition)
+{
+	TRACE("(GLuint fence = %d, GLenum condition = 0x%X)", fence, condition);
+
+	if(condition != GL_ALL_COMPLETED_NV)
+	{
+		return error(GL_INVALID_ENUM);
+	}
+
+	es2::Context *context = es2::getContext();
+
+	if(context)
+	{
+		es2::Fence *fenceObject = context->getFence(fence);
+
+		if(!fenceObject)
+		{
+			return error(GL_INVALID_OPERATION);
+		}
+
+		fenceObject->setFence(condition);
+	}
+}
+
+void Scissor(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);
+
+	if(width < 0 || height < 0)
+	{
+		return error(GL_INVALID_VALUE);
+	}
+
+	es2::Context* context = es2::getContext();
+
+	if(context)
+	{
+		context->setScissorParams(x, y, width, height);
+	}
+}
+
+void ShaderBinary(GLsizei n, const GLuint* shaders, GLenum binaryformat, const GLvoid* binary, GLsizei length)
+{
+	TRACE("(GLsizei n = %d, const GLuint* shaders = %p, GLenum binaryformat = 0x%X, "
+	      "const GLvoid* binary = %p, GLsizei length = %d)",
+	      n, shaders, binaryformat, binary, length);
+
+	// No binary shader formats are supported.
+	return error(GL_INVALID_ENUM);
+}
+
+void ShaderSource(GLuint shader, GLsizei count, const GLchar *const *string, const GLint *length)
+{
+	TRACE("(GLuint shader = %d, GLsizei count = %d, const GLchar** string = %p, const GLint* length = %p)",
+	      shader, count, string, length);
+
+	if(count < 0)
+	{
+		return error(GL_INVALID_VALUE);
+	}
+
+	es2::Context *context = es2::getContext();
+
+	if(context)
+	{
+		es2::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);
+	}
+}
+
+void StencilFunc(GLenum func, GLint ref, GLuint mask)
+{
+	glStencilFuncSeparate(GL_FRONT_AND_BACK, func, ref, mask);
+}
+
+void StencilFuncSeparate(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);
+
+	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);
+	}
+
+	es2::Context *context = es2::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);
+		}
+	}
+}
+
+void StencilMask(GLuint mask)
+{
+	glStencilMaskSeparate(GL_FRONT_AND_BACK, mask);
+}
+
+void StencilMaskSeparate(GLenum face, GLuint mask)
+{
+	TRACE("(GLenum face = 0x%X, GLuint mask = %d)", face, mask);
+
+	switch(face)
+	{
+	case GL_FRONT:
+	case GL_BACK:
+	case GL_FRONT_AND_BACK:
+		break;
+	default:
+		return error(GL_INVALID_ENUM);
+	}
+
+	es2::Context *context = es2::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);
+		}
+	}
+}
+
+void StencilOp(GLenum fail, GLenum zfail, GLenum zpass)
+{
+	glStencilOpSeparate(GL_FRONT_AND_BACK, fail, zfail, zpass);
+}
+
+void StencilOpSeparate(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);
+
+	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);
+	}
+
+	es2::Context *context = es2::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);
+		}
+	}
+}
+
+GLboolean TestFenceNV(GLuint fence)
+{
+	TRACE("(GLuint fence = %d)", fence);
+
+	es2::Context *context = es2::getContext();
+
+	if(context)
+	{
+		es2::Fence *fenceObject = context->getFence(fence);
+
+		if(!fenceObject)
+		{
+			return error(GL_INVALID_OPERATION, GL_TRUE);
+		}
+
+		return fenceObject->testFence();
+	}
+
+	return GL_TRUE;
+}
+
+void TexImage2D(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 =  %p)",
+	      target, level, internalformat, width, height, border, format, type, pixels);
+
+	if(!validImageSize(level, width, height))
+	{
+		return error(GL_INVALID_VALUE);
+	}
+
+	es2::Context *context = es2::getContext();
+
+	if(context)
+	{
+		GLint clientVersion = context->getClientVersion();
+		if(clientVersion < 3)
+		{
+			if(internalformat != (GLint)format)
+			{
+				return error(GL_INVALID_OPERATION);
+			}
+		}
+
+		GLenum validationError = ValidateCompressedFormat(format, clientVersion, false);
+		if(validationError != GL_NONE)
+		{
+			return error(validationError);
+		}
+
+		if(!ValidateTextureFormatType(format, type, internalformat, egl::getClientVersion()))
+		{
+			return;
+		}
+
+		if(border != 0)
+		{
+			return error(GL_INVALID_VALUE);
+		}
+
+		switch(target)
+		{
+		case GL_TEXTURE_2D:
+			if(width > (es2::IMPLEMENTATION_MAX_TEXTURE_SIZE >> level) ||
+			   height > (es2::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 > (es2::IMPLEMENTATION_MAX_CUBE_MAP_TEXTURE_SIZE >> level) ||
+			   height > (es2::IMPLEMENTATION_MAX_CUBE_MAP_TEXTURE_SIZE >> level))
+			{
+				return error(GL_INVALID_VALUE);
+			}
+			break;
+		default:
+			return error(GL_INVALID_ENUM);
+		}
+
+		GLenum sizedInternalFormat = GetSizedInternalFormat(format, type);
+
+		if(target == GL_TEXTURE_2D)
+		{
+			es2::Texture2D *texture = context->getTexture2D();
+
+			if(!texture)
+			{
+				return error(GL_INVALID_OPERATION);
+			}
+
+			texture->setImage(level, width, height, sizedInternalFormat, type, context->getUnpackInfo(), pixels);
+		}
+		else
+		{
+			es2::TextureCubeMap *texture = context->getTextureCubeMap();
+
+			if(!texture)
+			{
+				return error(GL_INVALID_OPERATION);
+			}
+
+			texture->setImage(target, level, width, height, sizedInternalFormat, type, context->getUnpackInfo(), pixels);
+		}
+	}
+}
+
+void TexParameterf(GLenum target, GLenum pname, GLfloat param)
+{
+	TRACE("(GLenum target = 0x%X, GLenum pname = 0x%X, GLfloat param = %f)", target, pname, param);
+
+	es2::Context *context = es2::getContext();
+
+	if(context)
+	{
+		es2::Texture *texture;
+
+		GLint clientVersion = context->getClientVersion();
+
+		switch(target)
+		{
+		case GL_TEXTURE_2D:
+			texture = context->getTexture2D();
+			break;
+		case GL_TEXTURE_2D_ARRAY:
+			if(clientVersion < 3)
+			{
+				return error(GL_INVALID_ENUM);
+			}
+			else
+			{
+				texture = context->getTexture2DArray();
+			}
+			break;
+		case GL_TEXTURE_3D_OES:
+			texture = context->getTexture3D();
+			break;
+		case GL_TEXTURE_CUBE_MAP:
+			texture = context->getTextureCubeMap();
+			break;
+		case GL_TEXTURE_EXTERNAL_OES:
+			texture = context->getTextureExternal();
+			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_WRAP_R_OES:
+			if(!texture->setWrapR((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;
+		case GL_TEXTURE_BASE_LEVEL:
+			if(clientVersion < 3 || !texture->setBaseLevel((GLint)(roundf(param))))
+			{
+				return error(GL_INVALID_VALUE);
+			}
+			break;
+		case GL_TEXTURE_COMPARE_FUNC:
+			if(clientVersion < 3 || !texture->setCompareFunc((GLenum)param))
+			{
+				return error(GL_INVALID_VALUE);
+			}
+			break;
+		case GL_TEXTURE_COMPARE_MODE:
+			if(clientVersion < 3 || !texture->setCompareMode((GLenum)param))
+			{
+				return error(GL_INVALID_VALUE);
+			}
+			break;
+		case GL_TEXTURE_MAX_LEVEL:
+			if(clientVersion < 3 || !texture->setMaxLevel((GLint)(roundf(param))))
+			{
+				return error(GL_INVALID_VALUE);
+			}
+			break;
+		case GL_TEXTURE_MAX_LOD:
+			if(clientVersion < 3 || !texture->setMaxLOD(param))
+			{
+				return error(GL_INVALID_VALUE);
+			}
+			break;
+		case GL_TEXTURE_MIN_LOD:
+			if(clientVersion < 3 || !texture->setMinLOD(param))
+			{
+				return error(GL_INVALID_VALUE);
+			}
+			break;
+		case GL_TEXTURE_SWIZZLE_R:
+			if(clientVersion < 3 || !texture->setSwizzleR((GLenum)param))
+			{
+				return error(GL_INVALID_VALUE);
+			}
+			break;
+		case GL_TEXTURE_SWIZZLE_G:
+			if(clientVersion < 3 || !texture->setSwizzleG((GLenum)param))
+			{
+				return error(GL_INVALID_VALUE);
+			}
+			break;
+		case GL_TEXTURE_SWIZZLE_B:
+			if(clientVersion < 3 || !texture->setSwizzleB((GLenum)param))
+			{
+				return error(GL_INVALID_VALUE);
+			}
+			break;
+		case GL_TEXTURE_SWIZZLE_A:
+			if(clientVersion < 3 || !texture->setSwizzleA((GLenum)param))
+			{
+				return error(GL_INVALID_VALUE);
+			}
+			break;
+		default:
+			return error(GL_INVALID_ENUM);
+		}
+	}
+}
+
+void TexParameterfv(GLenum target, GLenum pname, const GLfloat* params)
+{
+	glTexParameterf(target, pname, *params);
+}
+
+void TexParameteri(GLenum target, GLenum pname, GLint param)
+{
+	TRACE("(GLenum target = 0x%X, GLenum pname = 0x%X, GLint param = %d)", target, pname, param);
+
+	es2::Context *context = es2::getContext();
+
+	if(context)
+	{
+		es2::Texture *texture;
+
+		GLint clientVersion = context->getClientVersion();
+
+		switch(target)
+		{
+		case GL_TEXTURE_2D:
+			texture = context->getTexture2D();
+			break;
+		case GL_TEXTURE_2D_ARRAY:
+			if(clientVersion < 3)
+			{
+				return error(GL_INVALID_ENUM);
+			}
+			else
+			{
+				texture = context->getTexture2DArray();
+			}
+			break;
+		case GL_TEXTURE_3D_OES:
+			texture = context->getTexture3D();
+			break;
+		case GL_TEXTURE_CUBE_MAP:
+			texture = context->getTextureCubeMap();
+			break;
+		case GL_TEXTURE_EXTERNAL_OES:
+			texture = context->getTextureExternal();
+			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_WRAP_R_OES:
+			if(!texture->setWrapR((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;
+		case GL_TEXTURE_BASE_LEVEL:
+			if(clientVersion < 3 || !texture->setBaseLevel(param))
+			{
+				return error(GL_INVALID_VALUE);
+			}
+			break;
+		case GL_TEXTURE_COMPARE_FUNC:
+			if(clientVersion < 3 || !texture->setCompareFunc((GLenum)param))
+			{
+				return error(GL_INVALID_VALUE);
+			}
+			break;
+		case GL_TEXTURE_COMPARE_MODE:
+			if(clientVersion < 3 || !texture->setCompareMode((GLenum)param))
+			{
+				return error(GL_INVALID_VALUE);
+			}
+			break;
+		case GL_TEXTURE_MAX_LEVEL:
+			if(clientVersion < 3 || !texture->setMaxLevel(param))
+			{
+				return error(GL_INVALID_VALUE);
+			}
+			break;
+		case GL_TEXTURE_MAX_LOD:
+			if(clientVersion < 3 || !texture->setMaxLOD((GLfloat)param))
+			{
+				return error(GL_INVALID_VALUE);
+			}
+			break;
+		case GL_TEXTURE_MIN_LOD:
+			if(clientVersion < 3 || !texture->setMinLOD((GLfloat)param))
+			{
+				return error(GL_INVALID_VALUE);
+			}
+			break;
+		case GL_TEXTURE_SWIZZLE_R:
+			if(clientVersion < 3 || !texture->setSwizzleR((GLenum)param))
+			{
+				return error(GL_INVALID_VALUE);
+			}
+			break;
+		case GL_TEXTURE_SWIZZLE_G:
+			if(clientVersion < 3 || !texture->setSwizzleG((GLenum)param))
+			{
+				return error(GL_INVALID_VALUE);
+			}
+			break;
+		case GL_TEXTURE_SWIZZLE_B:
+			if(clientVersion < 3 || !texture->setSwizzleB((GLenum)param))
+			{
+				return error(GL_INVALID_VALUE);
+			}
+			break;
+		case GL_TEXTURE_SWIZZLE_A:
+			if(clientVersion < 3 || !texture->setSwizzleA((GLenum)param))
+			{
+				return error(GL_INVALID_VALUE);
+			}
+			break;
+		default:
+			return error(GL_INVALID_ENUM);
+		}
+	}
+}
+
+void TexParameteriv(GLenum target, GLenum pname, const GLint* params)
+{
+	glTexParameteri(target, pname, *params);
+}
+
+void TexSubImage2D(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 = %p)",
+	      target, level, xoffset, yoffset, width, height, format, type, pixels);
+
+	if(!es2::IsTextureTarget(target))
+	{
+		return error(GL_INVALID_ENUM);
+	}
+
+	if(level < 0 || level >= es2::IMPLEMENTATION_MAX_TEXTURE_LEVELS)
+	{
+		return error(GL_INVALID_VALUE);
+	}
+
+	if(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(!ValidateTextureFormatType(format, type, format, egl::getClientVersion()))
+	{
+		return;
+	}
+
+	if(width == 0 || height == 0 || !pixels)
+	{
+		return;
+	}
+
+	es2::Context *context = es2::getContext();
+
+	if(context)
+	{
+		GLenum sizedInternalFormat = GetSizedInternalFormat(format, type);
+
+		if(target == GL_TEXTURE_2D)
+		{
+			es2::Texture2D *texture = context->getTexture2D();
+
+			GLenum validationError = ValidateSubImageParams(false, width, height, xoffset, yoffset, target, level, sizedInternalFormat, texture);
+
+			if(validationError == GL_NONE)
+			{
+				texture->subImage(level, xoffset, yoffset, width, height, sizedInternalFormat, type, context->getUnpackInfo(), pixels);
+			}
+			else
+			{
+				return error(validationError);
+			}
+		}
+		else if(es2::IsCubemapTextureTarget(target))
+		{
+			es2::TextureCubeMap *texture = context->getTextureCubeMap();
+
+			GLenum validationError = ValidateSubImageParams(false, width, height, xoffset, yoffset, target, level, sizedInternalFormat, texture);
+
+			if(validationError == GL_NONE)
+			{
+				texture->subImage(target, level, xoffset, yoffset, width, height, sizedInternalFormat, type, context->getUnpackInfo(), pixels);
+			}
+			else
+			{
+				return error(validationError);
+			}
+		}
+		else UNREACHABLE(target);
+	}
+}
+
+void Uniform1f(GLint location, GLfloat x)
+{
+	glUniform1fv(location, 1, &x);
+}
+
+void Uniform1fv(GLint location, GLsizei count, const GLfloat* v)
+{
+	TRACE("(GLint location = %d, GLsizei count = %d, const GLfloat* v = %p)", location, count, v);
+
+	if(count < 0)
+	{
+		return error(GL_INVALID_VALUE);
+	}
+
+	if(location == -1)
+	{
+		return;
+	}
+
+	es2::Context *context = es2::getContext();
+
+	if(context)
+	{
+		es2::Program *program = context->getCurrentProgram();
+
+		if(!program)
+		{
+			return error(GL_INVALID_OPERATION);
+		}
+
+		if(!program->setUniform1fv(location, count, v))
+		{
+			return error(GL_INVALID_OPERATION);
+		}
+	}
+}
+
+void Uniform1i(GLint location, GLint x)
+{
+	glUniform1iv(location, 1, &x);
+}
+
+void Uniform1iv(GLint location, GLsizei count, const GLint* v)
+{
+	TRACE("(GLint location = %d, GLsizei count = %d, const GLint* v = %p)", location, count, v);
+
+	if(count < 0)
+	{
+		return error(GL_INVALID_VALUE);
+	}
+
+	if(location == -1)
+	{
+		return;
+	}
+
+	es2::Context *context = es2::getContext();
+
+	if(context)
+	{
+		es2::Program *program = context->getCurrentProgram();
+
+		if(!program)
+		{
+			return error(GL_INVALID_OPERATION);
+		}
+
+		if(!program->setUniform1iv(location, count, v))
+		{
+			return error(GL_INVALID_OPERATION);
+		}
+	}
+}
+
+void Uniform2f(GLint location, GLfloat x, GLfloat y)
+{
+	GLfloat xy[2] = {x, y};
+
+	glUniform2fv(location, 1, (GLfloat*)&xy);
+}
+
+void Uniform2fv(GLint location, GLsizei count, const GLfloat* v)
+{
+	TRACE("(GLint location = %d, GLsizei count = %d, const GLfloat* v = %p)", location, count, v);
+
+	if(count < 0)
+	{
+		return error(GL_INVALID_VALUE);
+	}
+
+	if(location == -1)
+	{
+		return;
+	}
+
+	es2::Context *context = es2::getContext();
+
+	if(context)
+	{
+		es2::Program *program = context->getCurrentProgram();
+
+		if(!program)
+		{
+			return error(GL_INVALID_OPERATION);
+		}
+
+		if(!program->setUniform2fv(location, count, v))
+		{
+			return error(GL_INVALID_OPERATION);
+		}
+	}
+}
+
+void Uniform2i(GLint location, GLint x, GLint y)
+{
+	GLint xy[4] = {x, y};
+
+	glUniform2iv(location, 1, (GLint*)&xy);
+}
+
+void Uniform2iv(GLint location, GLsizei count, const GLint* v)
+{
+	TRACE("(GLint location = %d, GLsizei count = %d, const GLint* v = %p)", location, count, v);
+
+	if(count < 0)
+	{
+		return error(GL_INVALID_VALUE);
+	}
+
+	if(location == -1)
+	{
+		return;
+	}
+
+	es2::Context *context = es2::getContext();
+
+	if(context)
+	{
+		es2::Program *program = context->getCurrentProgram();
+
+		if(!program)
+		{
+			return error(GL_INVALID_OPERATION);
+		}
+
+		if(!program->setUniform2iv(location, count, v))
+		{
+			return error(GL_INVALID_OPERATION);
+		}
+	}
+}
+
+void Uniform3f(GLint location, GLfloat x, GLfloat y, GLfloat z)
+{
+	GLfloat xyz[3] = {x, y, z};
+
+	glUniform3fv(location, 1, (GLfloat*)&xyz);
+}
+
+void Uniform3fv(GLint location, GLsizei count, const GLfloat* v)
+{
+	TRACE("(GLint location = %d, GLsizei count = %d, const GLfloat* v = %p)", location, count, v);
+
+	if(count < 0)
+	{
+		return error(GL_INVALID_VALUE);
+	}
+
+	if(location == -1)
+	{
+		return;
+	}
+
+	es2::Context *context = es2::getContext();
+
+	if(context)
+	{
+		es2::Program *program = context->getCurrentProgram();
+
+		if(!program)
+		{
+			return error(GL_INVALID_OPERATION);
+		}
+
+		if(!program->setUniform3fv(location, count, v))
+		{
+			return error(GL_INVALID_OPERATION);
+		}
+	}
+}
+
+void Uniform3i(GLint location, GLint x, GLint y, GLint z)
+{
+	GLint xyz[3] = {x, y, z};
+
+	glUniform3iv(location, 1, (GLint*)&xyz);
+}
+
+void Uniform3iv(GLint location, GLsizei count, const GLint* v)
+{
+	TRACE("(GLint location = %d, GLsizei count = %d, const GLint* v = %p)", location, count, v);
+
+	if(count < 0)
+	{
+		return error(GL_INVALID_VALUE);
+	}
+
+	if(location == -1)
+	{
+		return;
+	}
+
+	es2::Context *context = es2::getContext();
+
+	if(context)
+	{
+		es2::Program *program = context->getCurrentProgram();
+
+		if(!program)
+		{
+			return error(GL_INVALID_OPERATION);
+		}
+
+		if(!program->setUniform3iv(location, count, v))
+		{
+			return error(GL_INVALID_OPERATION);
+		}
+	}
+}
+
+void Uniform4f(GLint location, GLfloat x, GLfloat y, GLfloat z, GLfloat w)
+{
+	GLfloat xyzw[4] = {x, y, z, w};
+
+	glUniform4fv(location, 1, (GLfloat*)&xyzw);
+}
+
+void Uniform4fv(GLint location, GLsizei count, const GLfloat* v)
+{
+	TRACE("(GLint location = %d, GLsizei count = %d, const GLfloat* v = %p)", location, count, v);
+
+	if(count < 0)
+	{
+		return error(GL_INVALID_VALUE);
+	}
+
+	if(location == -1)
+	{
+		return;
+	}
+
+	es2::Context *context = es2::getContext();
+
+	if(context)
+	{
+		es2::Program *program = context->getCurrentProgram();
+
+		if(!program)
+		{
+			return error(GL_INVALID_OPERATION);
+		}
+
+		if(!program->setUniform4fv(location, count, v))
+		{
+			return error(GL_INVALID_OPERATION);
+		}
+	}
+}
+
+void Uniform4i(GLint location, GLint x, GLint y, GLint z, GLint w)
+{
+	GLint xyzw[4] = {x, y, z, w};
+
+	glUniform4iv(location, 1, (GLint*)&xyzw);
+}
+
+void Uniform4iv(GLint location, GLsizei count, const GLint* v)
+{
+	TRACE("(GLint location = %d, GLsizei count = %d, const GLint* v = %p)", location, count, v);
+
+	if(count < 0)
+	{
+		return error(GL_INVALID_VALUE);
+	}
+
+	if(location == -1)
+	{
+		return;
+	}
+
+	es2::Context *context = es2::getContext();
+
+	if(context)
+	{
+		es2::Program *program = context->getCurrentProgram();
+
+		if(!program)
+		{
+			return error(GL_INVALID_OPERATION);
+		}
+
+		if(!program->setUniform4iv(location, count, v))
+		{
+			return error(GL_INVALID_OPERATION);
+		}
+	}
+}
+
+void UniformMatrix2fv(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);
+	}
+
+	if(location == -1)
+	{
+		return;
+	}
+
+	es2::Context *context = es2::getContext();
+
+	if(context)
+	{
+		if(context->getClientVersion() < 3 && transpose != GL_FALSE)
+		{
+			return error(GL_INVALID_VALUE);
+		}
+
+		es2::Program *program = context->getCurrentProgram();
+
+		if(!program)
+		{
+			return error(GL_INVALID_OPERATION);
+		}
+
+		if(!program->setUniformMatrix2fv(location, count, transpose, value))
+		{
+			return error(GL_INVALID_OPERATION);
+		}
+	}
+}
+
+void UniformMatrix3fv(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);
+	}
+
+	if(location == -1)
+	{
+		return;
+	}
+
+	es2::Context *context = es2::getContext();
+
+	if(context)
+	{
+		if(context->getClientVersion() < 3 && transpose != GL_FALSE)
+		{
+			return error(GL_INVALID_VALUE);
+		}
+
+		es2::Program *program = context->getCurrentProgram();
+
+		if(!program)
+		{
+			return error(GL_INVALID_OPERATION);
+		}
+
+		if(!program->setUniformMatrix3fv(location, count, transpose, value))
+		{
+			return error(GL_INVALID_OPERATION);
+		}
+	}
+}
+
+void UniformMatrix4fv(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);
+	}
+
+	if(location == -1)
+	{
+		return;
+	}
+
+	es2::Context *context = es2::getContext();
+
+	if(context)
+	{
+		if(context->getClientVersion() < 3 && transpose != GL_FALSE)
+		{
+			return error(GL_INVALID_VALUE);
+		}
+
+		es2::Program *program = context->getCurrentProgram();
+
+		if(!program)
+		{
+			return error(GL_INVALID_OPERATION);
+		}
+
+		if(!program->setUniformMatrix4fv(location, count, transpose, value))
+		{
+			return error(GL_INVALID_OPERATION);
+		}
+	}
+}
+
+void UseProgram(GLuint program)
+{
+	TRACE("(GLuint program = %d)", program);
+
+	es2::Context *context = es2::getContext();
+
+	if(context)
+	{
+		es2::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);
+	}
+}
+
+void ValidateProgram(GLuint program)
+{
+	TRACE("(GLuint program = %d)", program);
+
+	es2::Context *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);
+			}
+		}
+
+		programObject->validate();
+	}
+}
+
+void VertexAttrib1f(GLuint index, GLfloat x)
+{
+	TRACE("(GLuint index = %d, GLfloat x = %f)", index, x);
+
+	if(index >= es2::MAX_VERTEX_ATTRIBS)
+	{
+		return error(GL_INVALID_VALUE);
+	}
+
+	es2::Context *context = es2::getContext();
+
+	if(context)
+	{
+		GLfloat vals[4] = { x, 0, 0, 1 };
+		context->setVertexAttrib(index, vals);
+	}
+}
+
+void VertexAttrib1fv(GLuint index, const GLfloat* values)
+{
+	TRACE("(GLuint index = %d, const GLfloat* values = %p)", index, values);
+
+	if(index >= es2::MAX_VERTEX_ATTRIBS)
+	{
+		return error(GL_INVALID_VALUE);
+	}
+
+	es2::Context *context = es2::getContext();
+
+	if(context)
+	{
+		GLfloat vals[4] = { values[0], 0, 0, 1 };
+		context->setVertexAttrib(index, vals);
+	}
+}
+
+void VertexAttrib2f(GLuint index, GLfloat x, GLfloat y)
+{
+	TRACE("(GLuint index = %d, GLfloat x = %f, GLfloat y = %f)", index, x, y);
+
+	if(index >= es2::MAX_VERTEX_ATTRIBS)
+	{
+		return error(GL_INVALID_VALUE);
+	}
+
+	es2::Context *context = es2::getContext();
+
+	if(context)
+	{
+		GLfloat vals[4] = { x, y, 0, 1 };
+		context->setVertexAttrib(index, vals);
+	}
+}
+
+void VertexAttrib2fv(GLuint index, const GLfloat* values)
+{
+	TRACE("(GLuint index = %d, const GLfloat* values = %p)", index, values);
+
+	if(index >= es2::MAX_VERTEX_ATTRIBS)
+	{
+		return error(GL_INVALID_VALUE);
+	}
+
+	es2::Context *context = es2::getContext();
+
+	if(context)
+	{
+		GLfloat vals[4] = { values[0], values[1], 0, 1 };
+		context->setVertexAttrib(index, vals);
+	}
+}
+
+void VertexAttrib3f(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);
+
+	if(index >= es2::MAX_VERTEX_ATTRIBS)
+	{
+		return error(GL_INVALID_VALUE);
+	}
+
+	es2::Context *context = es2::getContext();
+
+	if(context)
+	{
+		GLfloat vals[4] = { x, y, z, 1 };
+		context->setVertexAttrib(index, vals);
+	}
+}
+
+void VertexAttrib3fv(GLuint index, const GLfloat* values)
+{
+	TRACE("(GLuint index = %d, const GLfloat* values = %p)", index, values);
+
+	if(index >= es2::MAX_VERTEX_ATTRIBS)
+	{
+		return error(GL_INVALID_VALUE);
+	}
+
+	es2::Context *context = es2::getContext();
+
+	if(context)
+	{
+		GLfloat vals[4] = { values[0], values[1], values[2], 1 };
+		context->setVertexAttrib(index, vals);
+	}
+}
+
+void VertexAttrib4f(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);
+
+	if(index >= es2::MAX_VERTEX_ATTRIBS)
+	{
+		return error(GL_INVALID_VALUE);
+	}
+
+	es2::Context *context = es2::getContext();
+
+	if(context)
+	{
+		GLfloat vals[4] = { x, y, z, w };
+		context->setVertexAttrib(index, vals);
+	}
+}
+
+void VertexAttrib4fv(GLuint index, const GLfloat* values)
+{
+	TRACE("(GLuint index = %d, const GLfloat* values = %p)", index, values);
+
+	if(index >= es2::MAX_VERTEX_ATTRIBS)
+	{
+		return error(GL_INVALID_VALUE);
+	}
+
+	es2::Context *context = es2::getContext();
+
+	if(context)
+	{
+		context->setVertexAttrib(index, values);
+	}
+}
+
+void VertexAttribPointer(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 = %p)",
+	      index, size, type, normalized, stride, ptr);
+
+	if(index >= es2::MAX_VERTEX_ATTRIBS)
+	{
+		return error(GL_INVALID_VALUE);
+	}
+
+	if(size < 1 || size > 4)
+	{
+		return error(GL_INVALID_VALUE);
+	}
+
+	GLint clientVersion = egl::getClientVersion();
+
+	switch(type)
+	{
+	case GL_BYTE:
+	case GL_UNSIGNED_BYTE:
+	case GL_SHORT:
+	case GL_UNSIGNED_SHORT:
+	case GL_FIXED:
+	case GL_FLOAT:
+		break;
+	case GL_INT_2_10_10_10_REV:
+	case GL_UNSIGNED_INT_2_10_10_10_REV:
+		if(clientVersion >= 3)
+		{
+			if(size != 4)
+			{
+				return error(GL_INVALID_OPERATION);
+			}
+			break;
+		}
+		else return error(GL_INVALID_ENUM);
+	case GL_INT:
+	case GL_UNSIGNED_INT:
+	case GL_HALF_FLOAT:
+		if(clientVersion >= 3)
+		{
+			break;
+		}
+		else return error(GL_INVALID_ENUM);
+	default:
+		return error(GL_INVALID_ENUM);
+	}
+
+	if(stride < 0)
+	{
+		return error(GL_INVALID_VALUE);
+	}
+
+	es2::Context *context = es2::getContext();
+
+	if(context)
+	{
+		context->setVertexAttribState(index, context->getArrayBuffer(), size, type, (normalized == GL_TRUE), stride, ptr);
+	}
+}
+
+void Viewport(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);
+
+	if(width < 0 || height < 0)
+	{
+		return error(GL_INVALID_VALUE);
+	}
+
+	es2::Context *context = es2::getContext();
+
+	if(context)
+	{
+		context->setViewportParams(x, y, width, height);
+	}
+}
+
+void BlitFramebufferNV(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);
+
+	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);
+	}
+
+	es2::Context *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);
+	}
+}
+
+void BlitFramebufferANGLE(GLint srcX0, GLint srcY0, GLint srcX1, GLint srcY1, GLint dstX0, GLint dstY0, GLint dstX1, GLint dstY1,
+                          GLbitfield mask, GLenum filter)
+{
+	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);
+	}
+
+	glBlitFramebufferNV(srcX0, srcY0, srcX1, srcY1, dstX0, dstY0, dstX1, dstY1, mask, filter);
+}
+
+void TexImage3DOES(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 = %p)",
+	      target, level, internalformat, width, height, depth, border, format, type, pixels);
+
+	switch(target)
+	{
+	case GL_TEXTURE_3D_OES:
+		switch(format)
+		{
+		case GL_DEPTH_COMPONENT:
+		case GL_DEPTH_STENCIL_OES:
+			return error(GL_INVALID_OPERATION);
+		default:
+			break;
+		}
+		break;
+	default:
+		return error(GL_INVALID_ENUM);
+	}
+
+	if(!ValidateTextureFormatType(format, type, internalformat, egl::getClientVersion()))
+	{
+		return;
+	}
+
+	if((level < 0) || (level >= es2::IMPLEMENTATION_MAX_TEXTURE_LEVELS))
+	{
+		return error(GL_INVALID_VALUE);
+	}
+
+	const GLsizei maxSize3D = es2::IMPLEMENTATION_MAX_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);
+	}
+
+	es2::Context *context = es2::getContext();
+
+	if(context)
+	{
+		es2::Texture3D *texture = context->getTexture3D();
+
+		if(!texture)
+		{
+			return error(GL_INVALID_OPERATION);
+		}
+
+		texture->setImage(level, width, height, depth, GetSizedInternalFormat(internalformat, type), type, context->getUnpackInfo(), pixels);
+	}
+}
+
+void TexSubImage3DOES(GLenum target, GLint level, GLint xoffset, GLint yoffset, GLint zoffset, GLsizei width, GLsizei height, GLsizei depth, GLenum format, GLenum type, const void *pixels)
+{
+	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* pixels = %p)",
+	      target, level, xoffset, yoffset, zoffset, width, height, depth, format, type, pixels);
+
+	switch(target)
+	{
+	case GL_TEXTURE_3D_OES:
+		break;
+	default:
+		return error(GL_INVALID_ENUM);
+	}
+
+	if(!ValidateTextureFormatType(format, type, format, egl::getClientVersion()))
+	{
+		return;
+	}
+
+	if((level < 0) || (level >= es2::IMPLEMENTATION_MAX_TEXTURE_LEVELS))
+	{
+		return error(GL_INVALID_VALUE);
+	}
+
+	if((width < 0) || (height < 0) || (depth < 0))
+	{
+		return error(GL_INVALID_VALUE);
+	}
+
+	es2::Context *context = es2::getContext();
+
+	if(context)
+	{
+		es2::Texture3D *texture = context->getTexture3D();
+
+		GLenum sizedInternalFormat = GetSizedInternalFormat(format, type);
+
+		GLenum validationError = ValidateSubImageParams(false, width, height, depth, xoffset, yoffset, zoffset, target, level, sizedInternalFormat, texture);
+		if(validationError == GL_NONE)
+		{
+			texture->subImage(level, xoffset, yoffset, zoffset, width, height, depth, sizedInternalFormat, type, context->getUnpackInfo(), pixels);
+		}
+		else
+		{
+			return error(validationError);
+		}
+	}
+}
+
+void CopyTexSubImage3DOES(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_OES:
+		break;
+	default:
+		return error(GL_INVALID_ENUM);
+	}
+
+	if((level < 0) || (level >= es2::IMPLEMENTATION_MAX_TEXTURE_LEVELS))
+	{
+		return error(GL_INVALID_VALUE);
+	}
+
+	es2::Context *context = es2::getContext();
+
+	if(context)
+	{
+		es2::Framebuffer *framebuffer = context->getReadFramebuffer();
+
+		if(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);
+		}
+
+		es2::Texture3D *texture = context->getTexture3D();
+
+		GLenum validationError = ValidateSubImageParams(false, width, height, 1, xoffset, yoffset, zoffset, target, level, GL_NONE, texture);
+
+		if(validationError != GL_NONE)
+		{
+			return error(validationError);
+		}
+
+		texture->copySubImage(target, level, xoffset, yoffset, zoffset, x, y, width, height, framebuffer);
+	}
+}
+
+void CompressedTexImage3DOES(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_OES:
+		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_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);
+	}
+
+	switch(internalformat)
+	{
+	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:
+		{
+			GLenum validationError = ValidateCompressedFormat(internalformat, egl::getClientVersion(), true);
+			if(validationError != GL_NONE)
+			{
+				return error(validationError);
+			}
+		}
+	}
+
+	if(imageSize != egl::ComputeCompressedSize(width, height, internalformat) * depth)
+	{
+		return error(GL_INVALID_VALUE);
+	}
+
+	es2::Context *context = es2::getContext();
+
+	if(context)
+	{
+		es2::Texture3D *texture = context->getTexture3D();
+
+		if(!texture)
+		{
+			return error(GL_INVALID_OPERATION);
+		}
+
+		texture->setCompressedImage(level, internalformat, width, height, depth, imageSize, data);
+	}
+}
+
+void CompressedTexSubImage3DOES(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_OES:
+		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);
+	}
+
+	GLenum validationError = ValidateCompressedFormat(format, egl::getClientVersion(), true);
+	if(validationError != GL_NONE)
+	{
+		return error(validationError);
+	}
+
+	if(width == 0 || height == 0 || depth == 0 || !data)
+	{
+		return;
+	}
+
+	es2::Context *context = es2::getContext();
+
+	if(context)
+	{
+		es2::Texture3D *texture = context->getTexture3D();
+
+		if(!texture)
+		{
+			return error(GL_INVALID_OPERATION);
+		}
+
+		texture->subImageCompressed(level, xoffset, yoffset, zoffset, width, height, depth, format, imageSize, data);
+	}
+}
+
+void FramebufferTexture3DOES(GLenum target, GLenum attachment, GLenum textarget, GLuint texture, GLint level, GLint zoffset)
+{
+	TRACE("(GLenum target = 0x%X, GLenum attachment = 0x%X, GLenum textarget = 0x%X, "
+	      "GLuint texture = %d, GLint level = %d, GLint zoffset = %d)", target, attachment, textarget, texture, level, zoffset);
+
+	if(target != GL_FRAMEBUFFER && target != GL_DRAW_FRAMEBUFFER_ANGLE && target != GL_READ_FRAMEBUFFER_ANGLE)
+	{
+		return error(GL_INVALID_ENUM);
+	}
+
+	es2::Context *context = es2::getContext();
+
+	if(context)
+	{
+		if(texture == 0)
+		{
+			textarget = GL_NONE;
+		}
+		else
+		{
+			es2::Texture *tex = context->getTexture(texture);
+
+			if(!tex)
+			{
+				return error(GL_INVALID_OPERATION);
+			}
+
+			if(tex->isCompressed(textarget, level))
+			{
+				return error(GL_INVALID_OPERATION);
+			}
+
+			switch(textarget)
+			{
+			case GL_TEXTURE_3D_OES:
+				if(tex->getTarget() != GL_TEXTURE_3D_OES)
+				{
+					return error(GL_INVALID_OPERATION);
+				}
+				break;
+			default:
+				return error(GL_INVALID_ENUM);
+			}
+
+			if(level != 0)
+			{
+				return error(GL_INVALID_VALUE);
+			}
+		}
+
+		es2::Framebuffer *framebuffer = nullptr;
+		GLuint framebufferName = 0;
+		if(target == GL_READ_FRAMEBUFFER_ANGLE)
+		{
+			framebuffer = context->getReadFramebuffer();
+			framebufferName = context->getReadFramebufferName();
+		}
+		else
+		{
+			framebuffer = context->getDrawFramebuffer();
+			framebufferName = context->getDrawFramebufferName();
+		}
+
+		if(framebufferName == 0 || !framebuffer)
+		{
+			return error(GL_INVALID_OPERATION);
+		}
+
+		GLint clientVersion = context->getClientVersion();
+
+		switch(attachment)
+		{
+		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:
+			if(clientVersion < 3)
+			{
+				return error(GL_INVALID_ENUM);
+			}
+			// fall through
+		case GL_COLOR_ATTACHMENT0:
+			if((attachment - GL_COLOR_ATTACHMENT0) >= MAX_COLOR_ATTACHMENTS)
+			{
+				return error(GL_INVALID_ENUM);
+			}
+			framebuffer->setColorbuffer(textarget, texture, attachment - GL_COLOR_ATTACHMENT0);
+			break;
+		case GL_DEPTH_ATTACHMENT:   framebuffer->setDepthbuffer(textarget, texture);   break;
+		case GL_STENCIL_ATTACHMENT: framebuffer->setStencilbuffer(textarget, texture); break;
+		default:
+			return error(GL_INVALID_ENUM);
+		}
+	}
+}
+
+void EGLImageTargetTexture2DOES(GLenum target, GLeglImageOES image)
+{
+	if(egl::getClientVersion() == 1)
+	{
+		return libGLES_CM->glEGLImageTargetTexture2DOES(target, image);
+	}
+
+	TRACE("(GLenum target = 0x%X, GLeglImageOES image = %p)", target, image);
+
+	switch(target)
+	{
+	case GL_TEXTURE_2D:
+	case GL_TEXTURE_EXTERNAL_OES:
+		break;
+	default:
+		return error(GL_INVALID_ENUM);
+	}
+
+	if(!image)
+	{
+		return error(GL_INVALID_OPERATION);
+	}
+
+	es2::Context *context = es2::getContext();
+
+	if(context)
+	{
+		es2::Texture2D *texture = 0;
+
+		switch(target)
+		{
+		case GL_TEXTURE_2D:           texture = context->getTexture2D();       break;
+		case GL_TEXTURE_EXTERNAL_OES: texture = context->getTextureExternal(); break;
+		default:                      UNREACHABLE(target);
+		}
+
+		if(!texture)
+		{
+			return error(GL_INVALID_OPERATION);
+		}
+
+		egl::Image *glImage = static_cast<egl::Image*>(image);
+
+		texture->setImage(glImage);
+	}
+}
+
+void EGLImageTargetRenderbufferStorageOES(GLenum target, GLeglImageOES image)
+{
+	TRACE("(GLenum target = 0x%X, GLeglImageOES image = %p)", target, image);
+
+	UNIMPLEMENTED();
+}
+
+GLboolean IsRenderbufferOES(GLuint renderbuffer)
+{
+	return IsRenderbuffer(renderbuffer);
+}
+
+void BindRenderbufferOES(GLenum target, GLuint renderbuffer)
+{
+	BindRenderbuffer(target, renderbuffer);
+}
+
+void DeleteRenderbuffersOES(GLsizei n, const GLuint* renderbuffers)
+{
+	DeleteRenderbuffers(n, renderbuffers);
+}
+
+void GenRenderbuffersOES(GLsizei n, GLuint* renderbuffers)
+{
+	GenRenderbuffers(n, renderbuffers);
+}
+
+void RenderbufferStorageOES(GLenum target, GLenum internalformat, GLsizei width, GLsizei height)
+{
+	RenderbufferStorage(target, internalformat, width, height);
+}
+
+void GetRenderbufferParameterivOES(GLenum target, GLenum pname, GLint* params)
+{
+	GetRenderbufferParameteriv(target, pname, params);
+}
+
+GLboolean IsFramebufferOES(GLuint framebuffer)
+{
+	return IsFramebuffer(framebuffer);
+}
+
+void BindFramebufferOES(GLenum target, GLuint framebuffer)
+{
+	BindFramebuffer(target, framebuffer);
+}
+
+void DeleteFramebuffersOES(GLsizei n, const GLuint* framebuffers)
+{
+	DeleteFramebuffers(n, framebuffers);
+}
+
+void GenFramebuffersOES(GLsizei n, GLuint* framebuffers)
+{
+	GenFramebuffers(n, framebuffers);
+}
+
+GLenum CheckFramebufferStatusOES(GLenum target)
+{
+	return CheckFramebufferStatus(target);
+}
+
+void FramebufferRenderbufferOES(GLenum target, GLenum attachment, GLenum renderbuffertarget, GLuint renderbuffer)
+{
+	FramebufferRenderbuffer(target, attachment, renderbuffertarget, renderbuffer);
+}
+
+void FramebufferTexture2DOES(GLenum target, GLenum attachment, GLenum textarget, GLuint texture, GLint level)
+{
+	FramebufferTexture2D(target, attachment, textarget, texture, level);
+}
+
+void GetFramebufferAttachmentParameterivOES(GLenum target, GLenum attachment, GLenum pname, GLint* params)
+{
+	GetFramebufferAttachmentParameteriv(target, attachment, pname, params);
+}
+
+void GenerateMipmapOES(GLenum target)
+{
+	GenerateMipmap(target);
+}
+
+void DrawBuffersEXT(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);
+	}
+
+	es2::Context *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_EXT:
+			case GL_COLOR_ATTACHMENT1_EXT:
+			case GL_COLOR_ATTACHMENT2_EXT:
+			case GL_COLOR_ATTACHMENT3_EXT:
+			case GL_COLOR_ATTACHMENT4_EXT:
+			case GL_COLOR_ATTACHMENT5_EXT:
+			case GL_COLOR_ATTACHMENT6_EXT:
+			case GL_COLOR_ATTACHMENT7_EXT:
+			case GL_COLOR_ATTACHMENT8_EXT:
+			case GL_COLOR_ATTACHMENT9_EXT:
+			case GL_COLOR_ATTACHMENT10_EXT:
+			case GL_COLOR_ATTACHMENT11_EXT:
+			case GL_COLOR_ATTACHMENT12_EXT:
+			case GL_COLOR_ATTACHMENT13_EXT:
+			case GL_COLOR_ATTACHMENT14_EXT:
+			case GL_COLOR_ATTACHMENT15_EXT:
+				{
+					GLuint index = (bufs[i] - GL_COLOR_ATTACHMENT0_EXT);
+
+					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);
+	}
+}
+
+}
+
+extern "C" __eglMustCastToProperFunctionPointerType es2GetProcAddress(const char *procname)
+{
+	struct Extension
+	{
+		const char *name;
+		__eglMustCastToProperFunctionPointerType address;
+	};
+
+	static const Extension glExtensions[] =
+	{
+		#define EXTENSION(name) {#name, (__eglMustCastToProperFunctionPointerType)name}
+
+		EXTENSION(glTexImage3DOES),
+		EXTENSION(glBlitFramebufferANGLE),
+		EXTENSION(glBlitFramebufferNV),
+		EXTENSION(glRenderbufferStorageMultisampleANGLE),
+		EXTENSION(glDeleteFencesNV),
+		EXTENSION(glGenFencesNV),
+		EXTENSION(glIsFenceNV),
+		EXTENSION(glTestFenceNV),
+		EXTENSION(glGetFenceivNV),
+		EXTENSION(glFinishFenceNV),
+		EXTENSION(glSetFenceNV),
+		EXTENSION(glGetGraphicsResetStatusEXT),
+		EXTENSION(glReadnPixelsEXT),
+		EXTENSION(glGetnUniformfvEXT),
+		EXTENSION(glGetnUniformivEXT),
+		EXTENSION(glGenQueriesEXT),
+		EXTENSION(glDeleteQueriesEXT),
+		EXTENSION(glIsQueryEXT),
+		EXTENSION(glBeginQueryEXT),
+		EXTENSION(glEndQueryEXT),
+		EXTENSION(glGetQueryivEXT),
+		EXTENSION(glGetQueryObjectuivEXT),
+		EXTENSION(glEGLImageTargetTexture2DOES),
+		EXTENSION(glEGLImageTargetRenderbufferStorageOES),
+		EXTENSION(glDrawElementsInstancedEXT),
+		EXTENSION(glDrawArraysInstancedEXT),
+		EXTENSION(glVertexAttribDivisorEXT),
+		EXTENSION(glDrawArraysInstancedANGLE),
+		EXTENSION(glDrawElementsInstancedANGLE),
+		EXTENSION(glVertexAttribDivisorANGLE),
+		EXTENSION(glIsRenderbufferOES),
+		EXTENSION(glBindRenderbufferOES),
+		EXTENSION(glDeleteRenderbuffersOES),
+		EXTENSION(glGenRenderbuffersOES),
+		EXTENSION(glRenderbufferStorageOES),
+		EXTENSION(glGetRenderbufferParameterivOES),
+		EXTENSION(glIsFramebufferOES),
+		EXTENSION(glBindFramebufferOES),
+		EXTENSION(glDeleteFramebuffersOES),
+		EXTENSION(glGenFramebuffersOES),
+		EXTENSION(glCheckFramebufferStatusOES),
+		EXTENSION(glFramebufferRenderbufferOES),
+		EXTENSION(glFramebufferTexture2DOES),
+		EXTENSION(glGetFramebufferAttachmentParameterivOES),
+		EXTENSION(glGenerateMipmapOES),
+		EXTENSION(glDrawBuffersEXT),
+
+		#undef EXTENSION
+	};
+
+	for(unsigned int ext = 0; ext < sizeof(glExtensions) / sizeof(Extension); ext++)
+	{
+		if(strcmp(procname, glExtensions[ext].name) == 0)
+		{
+			return (__eglMustCastToProperFunctionPointerType)glExtensions[ext].address;
+		}
+	}
+
+	return nullptr;
+}