Landing https://codereview.chromium.org/13474014/ on behalf of bajones: Folded GraphicsContext3DChr…

Source/WebCore/platform/chromium/support/GraphicsContext3DChromium.cpp

-/*
- * Copyright (C) 2009 Google Inc. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are
- * met:
- *
- *     * Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *     * Redistributions in binary form must reproduce the above
- * copyright notice, this list of conditions and the following disclaimer
- * in the documentation and/or other materials provided with the
- * distribution.
- *     * Neither the name of Google Inc. nor the names of its
- * contributors may be used to endorse or promote products derived from
- * this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#include "config.h"
-
-#include "GraphicsContext3D.h"
-
-#include "DrawingBuffer.h"
-#include "GraphicsContext3DPrivate.h"
-#include "ImageBuffer.h"
-#include "ImageData.h"
-#include "SkTypes.h"
-#include <public/Platform.h>
-#include <public/WebGraphicsContext3D.h>
-#include <wtf/text/CString.h>
-#include <wtf/text/WTFString.h>
-
-namespace WebCore {
-
-GraphicsContext3D::GraphicsContext3D(GraphicsContext3D::Attributes, HostWindow*, GraphicsContext3D::RenderStyle)
-{
-}
-
-GraphicsContext3D::~GraphicsContext3D()
-{
-    m_private->setContextLostCallback(nullptr);
-    m_private->setErrorMessageCallback(nullptr);
-}
-
-void GraphicsContext3D::setContextLostCallback(PassOwnPtr<GraphicsContext3D::ContextLostCallback> callback)
-{
-    m_private->setContextLostCallback(callback);
-}
-
-void GraphicsContext3D::setErrorMessageCallback(PassOwnPtr<GraphicsContext3D::ErrorMessageCallback> callback)
-{
-    m_private->setErrorMessageCallback(callback);
-}
-
-PassRefPtr<GraphicsContext3D> GraphicsContext3D::create(GraphicsContext3D::Attributes attrs, HostWindow*, GraphicsContext3D::RenderStyle renderStyle)
-{
-    ASSERT(renderStyle != GraphicsContext3D::RenderDirectlyToHostWindow);
-
-    WebKit::WebGraphicsContext3D::Attributes webAttributes;
-    webAttributes.alpha = attrs.alpha;
-    webAttributes.depth = attrs.depth;
-    webAttributes.stencil = attrs.stencil;
-    webAttributes.antialias = attrs.antialias;
-    webAttributes.premultipliedAlpha = attrs.premultipliedAlpha;
-    webAttributes.noExtensions = attrs.noExtensions;
-    webAttributes.shareResources = attrs.shareResources;
-    webAttributes.preferDiscreteGPU = attrs.preferDiscreteGPU;
-    webAttributes.topDocumentURL = attrs.topDocumentURL.string();
-
-    OwnPtr<WebKit::WebGraphicsContext3D> webContext = adoptPtr(WebKit::Platform::current()->createOffscreenGraphicsContext3D(webAttributes));
-    if (!webContext)
-        return 0;
-
-    return GraphicsContext3DPrivate::createGraphicsContextFromWebContext(webContext.release(), attrs.preserveDrawingBuffer);
-}
-
-PlatformGraphicsContext3D GraphicsContext3D::platformGraphicsContext3D() const
-{
-    return m_private->webContext();
-}
-
-Platform3DObject GraphicsContext3D::platformTexture() const
-{
-    return m_private->webContext()->getPlatformTextureId();
-}
-
-GrContext* GraphicsContext3D::grContext()
-{
-    return m_private->grContext();
-}
-
-PlatformLayer* GraphicsContext3D::platformLayer() const
-{
-    return 0;
-}
-
-// Macros to assist in delegating from GraphicsContext3D to
-// WebGraphicsContext3D.
-
-#define DELEGATE_TO_WEBCONTEXT(name) \
-void GraphicsContext3D::name() \
-{ \
-    m_private->webContext()->name(); \
-}
-
-#define DELEGATE_TO_WEBCONTEXT_R(name, rt)           \
-rt GraphicsContext3D::name() \
-{ \
-    return m_private->webContext()->name(); \
-}
-
-#define DELEGATE_TO_WEBCONTEXT_1(name, t1) \
-void GraphicsContext3D::name(t1 a1) \
-{ \
-    m_private->webContext()->name(a1); \
-}
-
-#define DELEGATE_TO_WEBCONTEXT_1R(name, t1, rt)    \
-rt GraphicsContext3D::name(t1 a1) \
-{ \
-    return m_private->webContext()->name(a1); \
-}
-
-#define DELEGATE_TO_WEBCONTEXT_2(name, t1, t2) \
-void GraphicsContext3D::name(t1 a1, t2 a2) \
-{ \
-    m_private->webContext()->name(a1, a2); \
-}
-
-#define DELEGATE_TO_WEBCONTEXT_2R(name, t1, t2, rt)  \
-rt GraphicsContext3D::name(t1 a1, t2 a2) \
-{ \
-    return m_private->webContext()->name(a1, a2); \
-}
-
-#define DELEGATE_TO_WEBCONTEXT_3(name, t1, t2, t3)   \
-void GraphicsContext3D::name(t1 a1, t2 a2, t3 a3)    \
-{ \
-    m_private->webContext()->name(a1, a2, a3);                  \
-}
-
-#define DELEGATE_TO_WEBCONTEXT_3R(name, t1, t2, t3, rt)   \
-rt GraphicsContext3D::name(t1 a1, t2 a2, t3 a3)    \
-{ \
-    return m_private->webContext()->name(a1, a2, a3);                  \
-}
-
-#define DELEGATE_TO_WEBCONTEXT_4(name, t1, t2, t3, t4)    \
-void GraphicsContext3D::name(t1 a1, t2 a2, t3 a3, t4 a4)  \
-{ \
-    m_private->webContext()->name(a1, a2, a3, a4);              \
-}
-
-#define DELEGATE_TO_WEBCONTEXT_4R(name, t1, t2, t3, t4, rt)    \
-rt GraphicsContext3D::name(t1 a1, t2 a2, t3 a3, t4 a4)  \
-{ \
-    return m_private->webContext()->name(a1, a2, a3, a4);           \
-}
-
-#define DELEGATE_TO_WEBCONTEXT_5(name, t1, t2, t3, t4, t5)      \
-void GraphicsContext3D::name(t1 a1, t2 a2, t3 a3, t4 a4, t5 a5)        \
-{ \
-    m_private->webContext()->name(a1, a2, a3, a4, a5);   \
-}
-
-#define DELEGATE_TO_WEBCONTEXT_6(name, t1, t2, t3, t4, t5, t6)  \
-void GraphicsContext3D::name(t1 a1, t2 a2, t3 a3, t4 a4, t5 a5, t6 a6) \
-{ \
-    m_private->webContext()->name(a1, a2, a3, a4, a5, a6);   \
-}
-
-#define DELEGATE_TO_WEBCONTEXT_6R(name, t1, t2, t3, t4, t5, t6, rt)  \
-rt GraphicsContext3D::name(t1 a1, t2 a2, t3 a3, t4 a4, t5 a5, t6 a6) \
-{ \
-    return m_private->webContext()->name(a1, a2, a3, a4, a5, a6);       \
-}
-
-#define DELEGATE_TO_WEBCONTEXT_7(name, t1, t2, t3, t4, t5, t6, t7) \
-void GraphicsContext3D::name(t1 a1, t2 a2, t3 a3, t4 a4, t5 a5, t6 a6, t7 a7) \
-{ \
-    m_private->webContext()->name(a1, a2, a3, a4, a5, a6, a7);   \
-}
-
-#define DELEGATE_TO_WEBCONTEXT_7R(name, t1, t2, t3, t4, t5, t6, t7, rt) \
-rt GraphicsContext3D::name(t1 a1, t2 a2, t3 a3, t4 a4, t5 a5, t6 a6, t7 a7) \
-{ \
-    return m_private->webContext()->name(a1, a2, a3, a4, a5, a6, a7);   \
-}
-
-#define DELEGATE_TO_WEBCONTEXT_8(name, t1, t2, t3, t4, t5, t6, t7, t8)       \
-void GraphicsContext3D::name(t1 a1, t2 a2, t3 a3, t4 a4, t5 a5, t6 a6, t7 a7, t8 a8) \
-{ \
-    m_private->webContext()->name(a1, a2, a3, a4, a5, a6, a7, a8);      \
-}
-
-#define DELEGATE_TO_WEBCONTEXT_9(name, t1, t2, t3, t4, t5, t6, t7, t8, t9) \
-void GraphicsContext3D::name(t1 a1, t2 a2, t3 a3, t4 a4, t5 a5, t6 a6, t7 a7, t8 a8, t9 a9) \
-{ \
-    m_private->webContext()->name(a1, a2, a3, a4, a5, a6, a7, a8, a9);   \
-}
-
-#define DELEGATE_TO_WEBCONTEXT_9R(name, t1, t2, t3, t4, t5, t6, t7, t8, t9, rt) \
-rt GraphicsContext3D::name(t1 a1, t2 a2, t3 a3, t4 a4, t5 a5, t6 a6, t7 a7, t8 a8, t9 a9) \
-{ \
-    return m_private->webContext()->name(a1, a2, a3, a4, a5, a6, a7, a8, a9);   \
-}
-
-DELEGATE_TO_WEBCONTEXT_R(makeContextCurrent, bool)
-DELEGATE_TO_WEBCONTEXT(prepareTexture)
-
-bool GraphicsContext3D::isGLES2Compliant() const
-{
-    return m_private->webContext()->isGLES2Compliant();
-}
-
-
-
-bool GraphicsContext3D::isResourceSafe()
-{
-    return m_private->isResourceSafe();
-}
-
-DELEGATE_TO_WEBCONTEXT_1(activeTexture, GC3Denum)
-DELEGATE_TO_WEBCONTEXT_2(attachShader, Platform3DObject, Platform3DObject)
-
-void GraphicsContext3D::bindAttribLocation(Platform3DObject program, GC3Duint index, const String& name)
-{
-    m_private->webContext()->bindAttribLocation(program, index, name.utf8().data());
-}
-
-DELEGATE_TO_WEBCONTEXT_2(bindBuffer, GC3Denum, Platform3DObject)
-DELEGATE_TO_WEBCONTEXT_2(bindFramebuffer, GC3Denum, Platform3DObject)
-DELEGATE_TO_WEBCONTEXT_2(bindRenderbuffer, GC3Denum, Platform3DObject)
-DELEGATE_TO_WEBCONTEXT_2(bindTexture, GC3Denum, Platform3DObject)
-DELEGATE_TO_WEBCONTEXT_4(blendColor, GC3Dclampf, GC3Dclampf, GC3Dclampf, GC3Dclampf)
-DELEGATE_TO_WEBCONTEXT_1(blendEquation, GC3Denum)
-DELEGATE_TO_WEBCONTEXT_2(blendEquationSeparate, GC3Denum, GC3Denum)
-DELEGATE_TO_WEBCONTEXT_2(blendFunc, GC3Denum, GC3Denum)
-DELEGATE_TO_WEBCONTEXT_4(blendFuncSeparate, GC3Denum, GC3Denum, GC3Denum, GC3Denum)
-
-void GraphicsContext3D::bufferData(GC3Denum target, GC3Dsizeiptr size, GC3Denum usage)
-{
-    bufferData(target, size, 0, usage);
-}
-
-DELEGATE_TO_WEBCONTEXT_4(bufferData, GC3Denum, GC3Dsizeiptr, const void*, GC3Denum)
-DELEGATE_TO_WEBCONTEXT_4(bufferSubData, GC3Denum, GC3Dintptr, GC3Dsizeiptr, const void*)
-
-DELEGATE_TO_WEBCONTEXT_1R(checkFramebufferStatus, GC3Denum, GC3Denum)
-DELEGATE_TO_WEBCONTEXT_1(clear, GC3Dbitfield)
-DELEGATE_TO_WEBCONTEXT_4(clearColor, GC3Dclampf, GC3Dclampf, GC3Dclampf, GC3Dclampf)
-DELEGATE_TO_WEBCONTEXT_1(clearDepth, GC3Dclampf)
-DELEGATE_TO_WEBCONTEXT_1(clearStencil, GC3Dint)
-DELEGATE_TO_WEBCONTEXT_4(colorMask, GC3Dboolean, GC3Dboolean, GC3Dboolean, GC3Dboolean)
-DELEGATE_TO_WEBCONTEXT_1(compileShader, Platform3DObject)
-
-DELEGATE_TO_WEBCONTEXT_8(compressedTexImage2D, GC3Denum, GC3Dint, GC3Denum, GC3Dint, GC3Dint, GC3Dsizei, GC3Dsizei, const void*)
-DELEGATE_TO_WEBCONTEXT_9(compressedTexSubImage2D, GC3Denum, GC3Dint, GC3Dint, GC3Dint, GC3Dint, GC3Dint, GC3Denum, GC3Dsizei, const void*)
-DELEGATE_TO_WEBCONTEXT_8(copyTexImage2D, GC3Denum, GC3Dint, GC3Denum, GC3Dint, GC3Dint, GC3Dsizei, GC3Dsizei, GC3Dint)
-DELEGATE_TO_WEBCONTEXT_8(copyTexSubImage2D, GC3Denum, GC3Dint, GC3Dint, GC3Dint, GC3Dint, GC3Dint, GC3Dsizei, GC3Dsizei)
-DELEGATE_TO_WEBCONTEXT_1(cullFace, GC3Denum)
-DELEGATE_TO_WEBCONTEXT_1(depthFunc, GC3Denum)
-DELEGATE_TO_WEBCONTEXT_1(depthMask, GC3Dboolean)
-DELEGATE_TO_WEBCONTEXT_2(depthRange, GC3Dclampf, GC3Dclampf)
-DELEGATE_TO_WEBCONTEXT_2(detachShader, Platform3DObject, Platform3DObject)
-DELEGATE_TO_WEBCONTEXT_1(disable, GC3Denum)
-DELEGATE_TO_WEBCONTEXT_1(disableVertexAttribArray, GC3Duint)
-DELEGATE_TO_WEBCONTEXT_3(drawArrays, GC3Denum, GC3Dint, GC3Dsizei)
-DELEGATE_TO_WEBCONTEXT_4(drawElements, GC3Denum, GC3Dsizei, GC3Denum, GC3Dintptr)
-
-DELEGATE_TO_WEBCONTEXT_1(enable, GC3Denum)
-DELEGATE_TO_WEBCONTEXT_1(enableVertexAttribArray, GC3Duint)
-DELEGATE_TO_WEBCONTEXT(finish)
-DELEGATE_TO_WEBCONTEXT(flush)
-DELEGATE_TO_WEBCONTEXT_4(framebufferRenderbuffer, GC3Denum, GC3Denum, GC3Denum, Platform3DObject)
-DELEGATE_TO_WEBCONTEXT_5(framebufferTexture2D, GC3Denum, GC3Denum, GC3Denum, Platform3DObject, GC3Dint)
-DELEGATE_TO_WEBCONTEXT_1(frontFace, GC3Denum)
-DELEGATE_TO_WEBCONTEXT_1(generateMipmap, GC3Denum)
-
-bool GraphicsContext3D::getActiveAttrib(Platform3DObject program, GC3Duint index, ActiveInfo& info)
-{
-    WebKit::WebGraphicsContext3D::ActiveInfo webInfo;
-    if (!m_private->webContext()->getActiveAttrib(program, index, webInfo))
-        return false;
-    info.name = webInfo.name;
-    info.type = webInfo.type;
-    info.size = webInfo.size;
-    return true;
-}
-
-bool GraphicsContext3D::getActiveUniform(Platform3DObject program, GC3Duint index, ActiveInfo& info)
-{
-    WebKit::WebGraphicsContext3D::ActiveInfo webInfo;
-    if (!m_private->webContext()->getActiveUniform(program, index, webInfo))
-        return false;
-    info.name = webInfo.name;
-    info.type = webInfo.type;
-    info.size = webInfo.size;
-    return true;
-}
-
-
-DELEGATE_TO_WEBCONTEXT_4(getAttachedShaders, Platform3DObject, GC3Dsizei, GC3Dsizei*, Platform3DObject*)
-
-GC3Dint GraphicsContext3D::getAttribLocation(Platform3DObject program, const String& name)
-{
-    return m_private->webContext()->getAttribLocation(program, name.utf8().data());
-}
-
-DELEGATE_TO_WEBCONTEXT_2(getBooleanv, GC3Denum, GC3Dboolean*)
-DELEGATE_TO_WEBCONTEXT_3(getBufferParameteriv, GC3Denum, GC3Denum, GC3Dint*)
-
-GraphicsContext3D::Attributes GraphicsContext3D::getContextAttributes()
-{
-    WebKit::WebGraphicsContext3D::Attributes webAttributes = m_private->webContext()->getContextAttributes();
-    GraphicsContext3D::Attributes attributes;
-    attributes.alpha = webAttributes.alpha;
-    attributes.depth = webAttributes.depth;
-    attributes.stencil = webAttributes.stencil;
-    attributes.antialias = webAttributes.antialias;
-    attributes.premultipliedAlpha = webAttributes.premultipliedAlpha;
-    attributes.preserveDrawingBuffer = m_private->preserveDrawingBuffer();
-    attributes.preferDiscreteGPU = webAttributes.preferDiscreteGPU;
-    return attributes;
-}
-
-DELEGATE_TO_WEBCONTEXT_R(getError, GC3Denum)
-DELEGATE_TO_WEBCONTEXT_2(getFloatv, GC3Denum, GC3Dfloat*)
-DELEGATE_TO_WEBCONTEXT_4(getFramebufferAttachmentParameteriv, GC3Denum, GC3Denum, GC3Denum, GC3Dint*)
-DELEGATE_TO_WEBCONTEXT_2(getIntegerv, GC3Denum, GC3Dint*)
-DELEGATE_TO_WEBCONTEXT_3(getProgramiv, Platform3DObject, GC3Denum, GC3Dint*)
-
-String GraphicsContext3D::getProgramInfoLog(Platform3DObject program)
-{
-    return m_private->webContext()->getProgramInfoLog(program);
-}
-
-
-DELEGATE_TO_WEBCONTEXT_3(getRenderbufferParameteriv, GC3Denum, GC3Denum, GC3Dint*)
-DELEGATE_TO_WEBCONTEXT_3(getShaderiv, Platform3DObject, GC3Denum, GC3Dint*)
-
-String GraphicsContext3D::getShaderInfoLog(Platform3DObject shader)
-{
-    return m_private->webContext()->getShaderInfoLog(shader);
-}
-
-
-DELEGATE_TO_WEBCONTEXT_4(getShaderPrecisionFormat, GC3Denum, GC3Denum, GC3Dint*, GC3Dint*)
-
-String GraphicsContext3D::getShaderSource(Platform3DObject shader)
-{
-    return m_private->webContext()->getShaderSource(shader);
-}
-
-String GraphicsContext3D::getString(GC3Denum name)
-{
-    return m_private->webContext()->getString(name);
-}
-
-
-DELEGATE_TO_WEBCONTEXT_3(getTexParameterfv, GC3Denum, GC3Denum, GC3Dfloat*)
-DELEGATE_TO_WEBCONTEXT_3(getTexParameteriv, GC3Denum, GC3Denum, GC3Dint*)
-DELEGATE_TO_WEBCONTEXT_3(getUniformfv, Platform3DObject, GC3Dint, GC3Dfloat*)
-DELEGATE_TO_WEBCONTEXT_3(getUniformiv, Platform3DObject, GC3Dint, GC3Dint*)
-
-GC3Dint GraphicsContext3D::getUniformLocation(Platform3DObject program, const String& name)
-{
-    return m_private->webContext()->getUniformLocation(program, name.utf8().data());
-}
-
-
-DELEGATE_TO_WEBCONTEXT_3(getVertexAttribfv, GC3Duint, GC3Denum, GC3Dfloat*)
-DELEGATE_TO_WEBCONTEXT_3(getVertexAttribiv, GC3Duint, GC3Denum, GC3Dint*)
-DELEGATE_TO_WEBCONTEXT_2R(getVertexAttribOffset, GC3Duint, GC3Denum, GC3Dsizeiptr)
-
-DELEGATE_TO_WEBCONTEXT_2(hint, GC3Denum, GC3Denum)
-DELEGATE_TO_WEBCONTEXT_1R(isBuffer, Platform3DObject, GC3Dboolean)
-DELEGATE_TO_WEBCONTEXT_1R(isEnabled, GC3Denum, GC3Dboolean)
-DELEGATE_TO_WEBCONTEXT_1R(isFramebuffer, Platform3DObject, GC3Dboolean)
-DELEGATE_TO_WEBCONTEXT_1R(isProgram, Platform3DObject, GC3Dboolean)
-DELEGATE_TO_WEBCONTEXT_1R(isRenderbuffer, Platform3DObject, GC3Dboolean)
-DELEGATE_TO_WEBCONTEXT_1R(isShader, Platform3DObject, GC3Dboolean)
-DELEGATE_TO_WEBCONTEXT_1R(isTexture, Platform3DObject, GC3Dboolean)
-DELEGATE_TO_WEBCONTEXT_1(lineWidth, GC3Dfloat)
-DELEGATE_TO_WEBCONTEXT_1(linkProgram, Platform3DObject)
-DELEGATE_TO_WEBCONTEXT_2(pixelStorei, GC3Denum, GC3Dint)
-DELEGATE_TO_WEBCONTEXT_2(polygonOffset, GC3Dfloat, GC3Dfloat)
-
-DELEGATE_TO_WEBCONTEXT_7(readPixels, GC3Dint, GC3Dint, GC3Dsizei, GC3Dsizei, GC3Denum, GC3Denum, void*)
-
-DELEGATE_TO_WEBCONTEXT(releaseShaderCompiler)
-DELEGATE_TO_WEBCONTEXT_4(renderbufferStorage, GC3Denum, GC3Denum, GC3Dsizei, GC3Dsizei)
-DELEGATE_TO_WEBCONTEXT_2(sampleCoverage, GC3Dclampf, GC3Dboolean)
-DELEGATE_TO_WEBCONTEXT_4(scissor, GC3Dint, GC3Dint, GC3Dsizei, GC3Dsizei)
-
-void GraphicsContext3D::shaderSource(Platform3DObject shader, const String& string)
-{
-    m_private->webContext()->shaderSource(shader, string.utf8().data());
-}
-
-DELEGATE_TO_WEBCONTEXT_3(stencilFunc, GC3Denum, GC3Dint, GC3Duint)
-DELEGATE_TO_WEBCONTEXT_4(stencilFuncSeparate, GC3Denum, GC3Denum, GC3Dint, GC3Duint)
-DELEGATE_TO_WEBCONTEXT_1(stencilMask, GC3Duint)
-DELEGATE_TO_WEBCONTEXT_2(stencilMaskSeparate, GC3Denum, GC3Duint)
-DELEGATE_TO_WEBCONTEXT_3(stencilOp, GC3Denum, GC3Denum, GC3Denum)
-DELEGATE_TO_WEBCONTEXT_4(stencilOpSeparate, GC3Denum, GC3Denum, GC3Denum, GC3Denum)
-
-bool GraphicsContext3D::texImage2D(GC3Denum target, GC3Dint level, GC3Denum internalformat, GC3Dsizei width, GC3Dsizei height, GC3Dint border, GC3Denum format, GC3Denum type, const void* pixels)
-{
-    m_private->webContext()->texImage2D(target, level, internalformat, width, height, border, format, type, pixels);
-    return true;
-}
-
-DELEGATE_TO_WEBCONTEXT_3(texParameterf, GC3Denum, GC3Denum, GC3Dfloat)
-DELEGATE_TO_WEBCONTEXT_3(texParameteri, GC3Denum, GC3Denum, GC3Dint)
-
-void GraphicsContext3D::texSubImage2D(GC3Denum target, GC3Dint level, GC3Dint xoffset, GC3Dint yoffset, GC3Dsizei width, GC3Dsizei height, GC3Denum format, GC3Denum type, const void* pixels)
-{
-    m_private->webContext()->texSubImage2D(target, level, xoffset, yoffset, width, height, format, type, pixels);
-}
-
-DELEGATE_TO_WEBCONTEXT_2(uniform1f, GC3Dint, GC3Dfloat)
-DELEGATE_TO_WEBCONTEXT_3(uniform1fv, GC3Dint, GC3Dsizei, GC3Dfloat*)
-DELEGATE_TO_WEBCONTEXT_2(uniform1i, GC3Dint, GC3Dint)
-DELEGATE_TO_WEBCONTEXT_3(uniform1iv, GC3Dint, GC3Dsizei, GC3Dint*)
-DELEGATE_TO_WEBCONTEXT_3(uniform2f, GC3Dint, GC3Dfloat, GC3Dfloat)
-DELEGATE_TO_WEBCONTEXT_3(uniform2fv, GC3Dint, GC3Dsizei, GC3Dfloat*)
-DELEGATE_TO_WEBCONTEXT_3(uniform2i, GC3Dint, GC3Dint, GC3Dint)
-DELEGATE_TO_WEBCONTEXT_3(uniform2iv, GC3Dint, GC3Dsizei, GC3Dint*)
-DELEGATE_TO_WEBCONTEXT_4(uniform3f, GC3Dint, GC3Dfloat, GC3Dfloat, GC3Dfloat)
-DELEGATE_TO_WEBCONTEXT_3(uniform3fv, GC3Dint, GC3Dsizei, GC3Dfloat*)
-DELEGATE_TO_WEBCONTEXT_4(uniform3i, GC3Dint, GC3Dint, GC3Dint, GC3Dint)
-DELEGATE_TO_WEBCONTEXT_3(uniform3iv, GC3Dint, GC3Dsizei, GC3Dint*)
-DELEGATE_TO_WEBCONTEXT_5(uniform4f, GC3Dint, GC3Dfloat, GC3Dfloat, GC3Dfloat, GC3Dfloat)
-DELEGATE_TO_WEBCONTEXT_3(uniform4fv, GC3Dint, GC3Dsizei, GC3Dfloat*)
-DELEGATE_TO_WEBCONTEXT_5(uniform4i, GC3Dint, GC3Dint, GC3Dint, GC3Dint, GC3Dint)
-DELEGATE_TO_WEBCONTEXT_3(uniform4iv, GC3Dint, GC3Dsizei, GC3Dint*)
-DELEGATE_TO_WEBCONTEXT_4(uniformMatrix2fv, GC3Dint, GC3Dsizei, GC3Dboolean, GC3Dfloat*)
-DELEGATE_TO_WEBCONTEXT_4(uniformMatrix3fv, GC3Dint, GC3Dsizei, GC3Dboolean, GC3Dfloat*)
-DELEGATE_TO_WEBCONTEXT_4(uniformMatrix4fv, GC3Dint, GC3Dsizei, GC3Dboolean, GC3Dfloat*)
-
-DELEGATE_TO_WEBCONTEXT_1(useProgram, Platform3DObject)
-DELEGATE_TO_WEBCONTEXT_1(validateProgram, Platform3DObject)
-
-DELEGATE_TO_WEBCONTEXT_2(vertexAttrib1f, GC3Duint, GC3Dfloat)
-DELEGATE_TO_WEBCONTEXT_2(vertexAttrib1fv, GC3Duint, GC3Dfloat*)
-DELEGATE_TO_WEBCONTEXT_3(vertexAttrib2f, GC3Duint, GC3Dfloat, GC3Dfloat)
-DELEGATE_TO_WEBCONTEXT_2(vertexAttrib2fv, GC3Duint, GC3Dfloat*)
-DELEGATE_TO_WEBCONTEXT_4(vertexAttrib3f, GC3Duint, GC3Dfloat, GC3Dfloat, GC3Dfloat)
-DELEGATE_TO_WEBCONTEXT_2(vertexAttrib3fv, GC3Duint, GC3Dfloat*)
-DELEGATE_TO_WEBCONTEXT_5(vertexAttrib4f, GC3Duint, GC3Dfloat, GC3Dfloat, GC3Dfloat, GC3Dfloat)
-DELEGATE_TO_WEBCONTEXT_2(vertexAttrib4fv, GC3Duint, GC3Dfloat*)
-DELEGATE_TO_WEBCONTEXT_6(vertexAttribPointer, GC3Duint, GC3Dint, GC3Denum, GC3Dboolean, GC3Dsizei, GC3Dintptr)
-
-DELEGATE_TO_WEBCONTEXT_4(viewport, GC3Dint, GC3Dint, GC3Dsizei, GC3Dsizei)
-
-void GraphicsContext3D::reshape(int width, int height)
-{
-    if (width == m_private->webContext()->width() && height == m_private->webContext()->height())
-        return;
-
-    m_private->webContext()->reshape(width, height);
-}
-
-void GraphicsContext3D::markContextChanged()
-{
-    m_private->markContextChanged();
-}
-
-bool GraphicsContext3D::layerComposited() const
-{
-    return m_private->layerComposited();
-}
-
-void GraphicsContext3D::markLayerComposited()
-{
-    m_private->markLayerComposited();
-}
-
-namespace {
-
-void getDrawingParameters(DrawingBuffer* drawingBuffer, WebKit::WebGraphicsContext3D* graphicsContext3D,
-                          Platform3DObject* frameBufferId, int* width, int* height)
-{
-    if (drawingBuffer) {
-        *frameBufferId = drawingBuffer->framebuffer();
-        *width = drawingBuffer->size().width();
-        *height = drawingBuffer->size().height();
-    } else {
-        *frameBufferId = 0;
-        *width = graphicsContext3D->width();
-        *height = graphicsContext3D->height();
-    }
-}
-
-} // anonymous namespace
-
-void GraphicsContext3D::paintRenderingResultsToCanvas(ImageBuffer* imageBuffer, DrawingBuffer* drawingBuffer)
-{
-    Platform3DObject framebufferId;
-    int width, height;
-    getDrawingParameters(drawingBuffer, m_private->webContext(), &framebufferId, &width, &height);
-    m_private->paintFramebufferToCanvas(framebufferId, width, height, !getContextAttributes().premultipliedAlpha, imageBuffer);
-}
-
-PassRefPtr<ImageData> GraphicsContext3D::paintRenderingResultsToImageData(DrawingBuffer* drawingBuffer)
-{
-    if (getContextAttributes().premultipliedAlpha)
-        return 0;
-
-    Platform3DObject framebufferId;
-    int width, height;
-    getDrawingParameters(drawingBuffer, m_private->webContext(), &framebufferId, &width, &height);
-
-    RefPtr<ImageData> imageData = ImageData::create(IntSize(width, height));
-    unsigned char* pixels = imageData->data()->data();
-    size_t bufferSize = 4 * width * height;
-
-    m_private->webContext()->readBackFramebuffer(pixels, bufferSize, framebufferId, width, height);
-
-#if (SK_R32_SHIFT == 16) && !SK_B32_SHIFT
-    // If the implementation swapped the red and blue channels, un-swap them.
-    for (size_t i = 0; i < bufferSize; i += 4)
-        std::swap(pixels[i], pixels[i + 2]);
-#endif
-
-    return imageData.release();
-}
-
-bool GraphicsContext3D::paintCompositedResultsToCanvas(ImageBuffer*)
-{
-    return false;
-}
-
-DELEGATE_TO_WEBCONTEXT_R(createBuffer, Platform3DObject)
-DELEGATE_TO_WEBCONTEXT_R(createFramebuffer, Platform3DObject)
-DELEGATE_TO_WEBCONTEXT_R(createProgram, Platform3DObject)
-DELEGATE_TO_WEBCONTEXT_R(createRenderbuffer, Platform3DObject)
-DELEGATE_TO_WEBCONTEXT_1R(createShader, GC3Denum, Platform3DObject)
-DELEGATE_TO_WEBCONTEXT_R(createTexture, Platform3DObject)
-
-DELEGATE_TO_WEBCONTEXT_1(deleteBuffer, Platform3DObject)
-DELEGATE_TO_WEBCONTEXT_1(deleteFramebuffer, Platform3DObject)
-DELEGATE_TO_WEBCONTEXT_1(deleteProgram, Platform3DObject)
-DELEGATE_TO_WEBCONTEXT_1(deleteRenderbuffer, Platform3DObject)
-DELEGATE_TO_WEBCONTEXT_1(deleteShader, Platform3DObject)
-DELEGATE_TO_WEBCONTEXT_1(deleteTexture, Platform3DObject)
-
-DELEGATE_TO_WEBCONTEXT_1(synthesizeGLError, GC3Denum)
-
-Extensions3D* GraphicsContext3D::getExtensions()
-{
-    return m_private->getExtensions();
-}
-
-
-IntSize GraphicsContext3D::getInternalFramebufferSize() const
-{
-    return IntSize(m_private->webContext()->width(), m_private->webContext()->height());
-}
-
-} // namespace WebCore