Move webkit/gpu into webkit/common/gpu

webkit/gpu/webgraphicscontext3d_in_process_command_buffer_impl.cc

Index: webkit/gpu/webgraphicscontext3d_in_process_command_buffer_impl.cc
diff --git a/webkit/gpu/webgraphicscontext3d_in_process_command_buffer_impl.cc b/webkit/gpu/webgraphicscontext3d_in_process_command_buffer_impl.cc
deleted file mode 100644
index 64dd27332e176994c646daa7063f0f3ceb75fac1..0000000000000000000000000000000000000000
--- a/webkit/gpu/webgraphicscontext3d_in_process_command_buffer_impl.cc
+++ /dev/null
@@ -1,2012 +0,0 @@
-// Copyright (c) 2012 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-#include "webkit/gpu/webgraphicscontext3d_in_process_command_buffer_impl.h"
-
-#include <GLES2/gl2.h>
-#ifndef GL_GLEXT_PROTOTYPES
-#define GL_GLEXT_PROTOTYPES 1
-#endif
-#include <GLES2/gl2ext.h>
-#include <GLES2/gl2extchromium.h>
-
-#include <algorithm>
-#include <set>
-#include <string>
-
-#include "base/bind.h"
-#include "base/bind_helpers.h"
-#include "base/callback.h"
-#include "base/command_line.h"
-#include "base/lazy_instance.h"
-#include "base/logging.h"
-#include "base/memory/singleton.h"
-#include "base/message_loop.h"
-#include "base/metrics/histogram.h"
-#include "base/synchronization/lock.h"
-#include "gpu/command_buffer/client/gles2_implementation.h"
-#include "gpu/command_buffer/client/gles2_lib.h"
-#include "gpu/command_buffer/client/image_factory.h"
-#include "gpu/command_buffer/client/transfer_buffer.h"
-#include "gpu/command_buffer/common/constants.h"
-#include "gpu/command_buffer/service/command_buffer_service.h"
-#include "gpu/command_buffer/service/context_group.h"
-#include "gpu/command_buffer/service/gl_context_virtual.h"
-#include "gpu/command_buffer/service/gpu_scheduler.h"
-#include "gpu/command_buffer/service/image_manager.h"
-#include "gpu/command_buffer/service/transfer_buffer_manager.h"
-#include "ui/gl/gl_context.h"
-#include "ui/gl/gl_image.h"
-#include "ui/gl/gl_share_group.h"
-#include "ui/gl/gl_surface.h"
-#include "webkit/gpu/gl_bindings_skia_cmd_buffer.h"
-
-using gpu::Buffer;
-using gpu::CommandBuffer;
-using gpu::CommandBufferService;
-using gpu::gles2::GLES2CmdHelper;
-using gpu::gles2::GLES2Implementation;
-using gpu::gles2::ImageFactory;
-using gpu::gles2::ImageManager;
-using gpu::GpuMemoryBuffer;
-using gpu::GpuScheduler;
-using gpu::TransferBuffer;
-using gpu::TransferBufferManager;
-using gpu::TransferBufferManagerInterface;
-
-namespace webkit {
-namespace gpu {
-namespace {
-class ImageFactoryInProcess;
-}
-
-class GLInProcessContext {
- public:
-  // These are the same error codes as used by EGL.
-  enum Error {
-    SUCCESS             = 0x3000,
-    NOT_INITIALIZED     = 0x3001,
-    BAD_ATTRIBUTE       = 0x3004,
-    BAD_GLContext       = 0x3006,
-    CONTEXT_LOST        = 0x300E
-  };
-
-  // GLInProcessContext configuration attributes. These are the same as used by
-  // EGL. Attributes are matched using a closest fit algorithm.
-  enum Attribute {
-    ALPHA_SIZE     = 0x3021,
-    BLUE_SIZE      = 0x3022,
-    GREEN_SIZE     = 0x3023,
-    RED_SIZE       = 0x3024,
-    DEPTH_SIZE     = 0x3025,
-    STENCIL_SIZE   = 0x3026,
-    SAMPLES        = 0x3031,
-    SAMPLE_BUFFERS = 0x3032,
-    NONE           = 0x3038  // Attrib list = terminator
-  };
-
-  // Initialize the library. This must have completed before any other
-  // functions are invoked.
-  static bool Initialize();
-
-  // Terminate the library. This must be called after any other functions
-  // have completed.
-  static bool Terminate();
-
-  ~GLInProcessContext();
-
-  void PumpCommands();
-  bool GetBufferChanged(int32 transfer_buffer_id);
-
-  // Create a GLInProcessContext, if |is_offscreen| is true, renders to an
-  // offscreen context. |attrib_list| must be NULL or a NONE-terminated list
-  // of attribute/value pairs.
-  static GLInProcessContext* CreateContext(
-      bool is_offscreen,
-      gfx::AcceleratedWidget window,
-      const gfx::Size& size,
-      bool share_resources,
-      const char* allowed_extensions,
-      const int32* attrib_list,
-      gfx::GpuPreference gpu_preference);
-
-  // For an offscreen frame buffer GLInProcessContext, return the texture ID
-  // with respect to the parent GLInProcessContext. Returns zero if
-  // GLInProcessContext does not have a parent.
-  uint32 GetParentTextureId();
-
-  // Create a new texture in the parent's GLInProcessContext.  Returns zero if
-  // GLInProcessContext does not have a parent.
-  uint32 CreateParentTexture(const gfx::Size& size);
-
-  // Deletes a texture in the parent's GLInProcessContext.
-  void DeleteParentTexture(uint32 texture);
-
-  void SetContextLostCallback(const base::Closure& callback);
-
-  // Set the current GLInProcessContext for the calling thread.
-  static bool MakeCurrent(GLInProcessContext* context);
-
-  // For a view GLInProcessContext, display everything that has been rendered
-  // since the last call. For an offscreen GLInProcessContext, resolve
-  // everything that has been rendered since the last call to a copy that can be
-  // accessed by the parent GLInProcessContext.
-  bool SwapBuffers();
-
-  // TODO(gman): Remove this
-  void DisableShaderTranslation();
-
-  // Allows direct access to the GLES2 implementation so a GLInProcessContext
-  // can be used without making it current.
-  GLES2Implementation* GetImplementation();
-
-  // Return the current error.
-  Error GetError();
-
-  // Return true if GPU process reported GLInProcessContext lost or there was a
-  // problem communicating with the GPU process.
-  bool IsCommandBufferContextLost();
-
-  void LoseContext(uint32 current, uint32 other);
-
-  void SetSignalSyncPointCallback(
-      scoped_ptr<
-        WebKit::WebGraphicsContext3D::WebGraphicsSyncPointCallback> callback);
-
-  CommandBufferService* GetCommandBufferService();
-
-  ::gpu::gles2::GLES2Decoder* GetDecoder();
-
-  void OnResizeView(gfx::Size size);
-
- private:
-  explicit GLInProcessContext(bool share_resources);
-
-  bool Initialize(bool is_offscreen,
-                  gfx::AcceleratedWidget window,
-                  const gfx::Size& size,
-                  const char* allowed_extensions,
-                  const int32* attrib_list,
-                  gfx::GpuPreference gpu_preference);
-  void Destroy();
-
-  void OnContextLost();
-
-  ::gpu::gles2::ImageManager* GetImageManager();
-
-  scoped_refptr<ImageFactoryInProcess> GetImageFactory();
-
-  base::Closure context_lost_callback_;
-  scoped_ptr<TransferBufferManagerInterface> transfer_buffer_manager_;
-  scoped_ptr<CommandBufferService> command_buffer_;
-  scoped_ptr< ::gpu::GpuScheduler> gpu_scheduler_;
-  scoped_ptr< ::gpu::gles2::GLES2Decoder> decoder_;
-  scoped_refptr<gfx::GLContext> context_;
-  scoped_refptr<gfx::GLSurface> surface_;
-  scoped_ptr<GLES2CmdHelper> gles2_helper_;
-  scoped_ptr<TransferBuffer> transfer_buffer_;
-  scoped_ptr<GLES2Implementation> gles2_implementation_;
-  scoped_refptr<ImageFactoryInProcess> image_factory_;
-  scoped_ptr<WebKit::WebGraphicsContext3D::WebGraphicsSyncPointCallback>
-      signal_sync_point_callback_;
-  Error last_error_;
-  bool share_resources_;
-  bool context_lost_;
-
-  DISALLOW_COPY_AND_ASSIGN(GLInProcessContext);
-};
-
-namespace {
-
-const int32 kCommandBufferSize = 1024 * 1024;
-// TODO(kbr): make the transfer buffer size configurable via context
-// creation attributes.
-const size_t kStartTransferBufferSize = 4 * 1024 * 1024;
-const size_t kMinTransferBufferSize = 1 * 256 * 1024;
-const size_t kMaxTransferBufferSize = 16 * 1024 * 1024;
-
-// Singleton used to initialize and terminate the gles2 library.
-class GLES2Initializer {
- public:
-  GLES2Initializer() {
-    gles2::Initialize();
-  }
-
-  ~GLES2Initializer() {
-    gles2::Terminate();
-  }
-
- private:
-  DISALLOW_COPY_AND_ASSIGN(GLES2Initializer);
-};
-
-////////////////////////////////////////////////////////////////////////////////
-
-static base::LazyInstance<GLES2Initializer> g_gles2_initializer =
-    LAZY_INSTANCE_INITIALIZER;
-
-}  // namespace anonymous
-
-GLInProcessContext::~GLInProcessContext() {
-  Destroy();
-}
-
-GLInProcessContext* GLInProcessContext::CreateContext(
-    bool is_offscreen,
-    gfx::AcceleratedWidget window,
-    const gfx::Size& size,
-    bool share_resources,
-    const char* allowed_extensions,
-    const int32* attrib_list,
-    gfx::GpuPreference gpu_preference) {
-  scoped_ptr<GLInProcessContext> context(
-      new GLInProcessContext(share_resources));
-  if (!context->Initialize(
-      is_offscreen,
-      window,
-      size,
-      allowed_extensions,
-      attrib_list,
-      gpu_preference))
-    return NULL;
-
-  return context.release();
-}
-
-// In the normal command buffer implementation, all commands are passed over IPC
-// to the gpu process where they are fed to the GLES2Decoder from a single
-// thread. In layout tests, any thread could call this function. GLES2Decoder,
-// and in particular the GL implementations behind it, are not generally
-// threadsafe, so we guard entry points with a mutex.
-static base::LazyInstance<base::Lock> g_decoder_lock =
-    LAZY_INSTANCE_INITIALIZER;
-
-static base::LazyInstance<
-    std::set<GLInProcessContext*> >
-        g_all_shared_contexts = LAZY_INSTANCE_INITIALIZER;
-
-static bool g_use_virtualized_gl_context = false;
-
-namespace {
-
-// Also calls DetachFromThread on all GLES2Decoders before the lock is released
-// to maintain the invariant that all decoders are unbounded while the lock is
-// not held. This is to workaround DumpRenderTree uses WGC3DIPCBI with shared
-// resources on different threads.
-class AutoLockAndDecoderDetachThread {
- public:
-  AutoLockAndDecoderDetachThread(base::Lock& lock,
-                                 const std::set<GLInProcessContext*>& contexts);
-  ~AutoLockAndDecoderDetachThread();
-
- private:
-  base::AutoLock auto_lock_;
-  const std::set<GLInProcessContext*>& contexts_;
-};
-
-AutoLockAndDecoderDetachThread::AutoLockAndDecoderDetachThread(
-    base::Lock& lock,
-    const std::set<GLInProcessContext*>& contexts)
-    : auto_lock_(lock),
-      contexts_(contexts) {
-}
-
-void DetachThread(GLInProcessContext* context) {
-  if (context->GetDecoder())
-    context->GetDecoder()->DetachFromThread();
-}
-
-AutoLockAndDecoderDetachThread::~AutoLockAndDecoderDetachThread() {
-  std::for_each(contexts_.begin(),
-                contexts_.end(),
-                &DetachThread);
-}
-
-static WebGraphicsContext3DInProcessCommandBufferImpl::GpuMemoryBufferCreator*
-    g_gpu_memory_buffer_creator = NULL;
-
-class ImageFactoryInProcess
-     : public ImageFactory,
-       public base::RefCountedThreadSafe<ImageFactoryInProcess> {
- public:
-  explicit ImageFactoryInProcess(ImageManager* image_manager);
-
-  // methods from ImageFactory
-  virtual scoped_ptr<GpuMemoryBuffer> CreateGpuMemoryBuffer(
-      int width, int height, GLenum internalformat,
-      unsigned* image_id) OVERRIDE;
-  virtual void DeleteGpuMemoryBuffer(unsigned image_id) OVERRIDE;
- private:
-  friend class base::RefCountedThreadSafe<ImageFactoryInProcess>;
-  virtual ~ImageFactoryInProcess();
-
-  // ImageManager is referred by the ContextGroup and the
-  // ContextGroup outlives the client.
-  ImageManager* image_manager_;
-  unsigned next_id_;
-
-  DISALLOW_COPY_AND_ASSIGN(ImageFactoryInProcess);
-};
-
-ImageFactoryInProcess::ImageFactoryInProcess(
-    ImageManager* image_manager) : image_manager_(image_manager),
-                                   next_id_(0) {
-}
-
-ImageFactoryInProcess::~ImageFactoryInProcess() {
-}
-
-scoped_ptr<GpuMemoryBuffer> ImageFactoryInProcess::CreateGpuMemoryBuffer(
-    int width, int height, GLenum internalformat, unsigned int* image_id) {
-  // We're taking the lock here because we're accessing the ContextGroup's
-  // shared ImageManager and next_id_.
-  AutoLockAndDecoderDetachThread lock(g_decoder_lock.Get(),
-                                      g_all_shared_contexts.Get());
-  // For Android WebView we assume the |internalformat| will always be
-  // GL_RGBA8_OES.
-  DCHECK_EQ(GL_RGBA8_OES, internalformat);
-  scoped_ptr<GpuMemoryBuffer> buffer =
-      g_gpu_memory_buffer_creator(width, height);
-
-  if (buffer.get() == NULL)
-    return buffer.Pass();
-
-  scoped_refptr<gfx::GLImage> gl_image =
-      gfx::GLImage::CreateGLImageForGpuMemoryBuffer(buffer->GetNativeBuffer(),
-                                                    gfx::Size(width, height));
-  *image_id = ++next_id_;  // Valid image_ids start from 1.
-  image_manager_->AddImage(gl_image, *image_id);
-  return buffer.Pass();
-}
-
-void ImageFactoryInProcess::DeleteGpuMemoryBuffer(unsigned int image_id) {
-  // We're taking the lock here because we're accessing the ContextGroup's
-  // shared ImageManager.
-  AutoLockAndDecoderDetachThread lock(g_decoder_lock.Get(),
-                                      g_all_shared_contexts.Get());
-  image_manager_->RemoveImage(image_id);
-}
-
-}  // namespace
-
-static void CallAndDestroy(
-    scoped_ptr<
-      WebKit::WebGraphicsContext3D::WebGraphicsSyncPointCallback> callback) {
-  callback->onSyncPointReached();
-}
-
-void GLInProcessContext::PumpCommands() {
-  if (!context_lost_) {
-    AutoLockAndDecoderDetachThread lock(g_decoder_lock.Get(),
-                                        g_all_shared_contexts.Get());
-    decoder_->MakeCurrent();
-    gpu_scheduler_->PutChanged();
-    ::gpu::CommandBuffer::State state = command_buffer_->GetState();
-    if (::gpu::error::IsError(state.error))
-      context_lost_ = true;
-  }
-
-  if (!context_lost_ && signal_sync_point_callback_) {
-    base::MessageLoop::current()->PostTask(
-        FROM_HERE,
-        base::Bind(&CallAndDestroy,
-                   base::Passed(&signal_sync_point_callback_)));
-  }
-}
-
-bool GLInProcessContext::GetBufferChanged(int32 transfer_buffer_id) {
-  return gpu_scheduler_->SetGetBuffer(transfer_buffer_id);
-}
-
-uint32 GLInProcessContext::GetParentTextureId() {
-  return 0;
-}
-
-uint32 GLInProcessContext::CreateParentTexture(const gfx::Size& size) {
-  uint32 texture = 0;
-  gles2_implementation_->GenTextures(1, &texture);
-  gles2_implementation_->Flush();
-  return texture;
-}
-
-void GLInProcessContext::DeleteParentTexture(uint32 texture) {
-  gles2_implementation_->DeleteTextures(1, &texture);
-}
-
-void GLInProcessContext::SetContextLostCallback(const base::Closure& callback) {
-  context_lost_callback_ = callback;
-}
-
-bool GLInProcessContext::MakeCurrent(GLInProcessContext* context) {
-  if (context) {
-    gles2::SetGLContext(context->gles2_implementation_.get());
-
-    // Don't request latest error status from service. Just use the locally
-    // cached information from the last flush.
-    // TODO(apatrick): I'm not sure if this should actually change the
-    // current context if it fails. For now it gets changed even if it fails
-    // because making GL calls with a NULL context crashes.
-    if (context->command_buffer_->GetState().error != ::gpu::error::kNoError)
-      return false;
-  } else {
-    gles2::SetGLContext(NULL);
-  }
-
-  return true;
-}
-
-bool GLInProcessContext::SwapBuffers() {
-  // Don't request latest error status from service. Just use the locally cached
-  // information from the last flush.
-  if (command_buffer_->GetState().error != ::gpu::error::kNoError)
-    return false;
-
-  gles2_implementation_->SwapBuffers();
-  gles2_implementation_->Finish();
-  return true;
-}
-
-GLInProcessContext::Error GLInProcessContext::GetError() {
-  CommandBuffer::State state = command_buffer_->GetState();
-  if (state.error == ::gpu::error::kNoError) {
-    // TODO(gman): Figure out and document what this logic is for.
-    Error old_error = last_error_;
-    last_error_ = SUCCESS;
-    return old_error;
-  } else {
-    // All command buffer errors are unrecoverable. The error is treated as a
-    // lost context: destroy the context and create another one.
-    return CONTEXT_LOST;
-  }
-}
-
-bool GLInProcessContext::IsCommandBufferContextLost() {
-  if (context_lost_ || !command_buffer_) {
-    return true;
-  }
-  CommandBuffer::State state = command_buffer_->GetState();
-  return ::gpu::error::IsError(state.error);
-}
-
-void GLInProcessContext::LoseContext(uint32 current, uint32 other) {
-  gles2_implementation_->LoseContextCHROMIUM(current, other);
-  gles2_implementation_->Finish();
-  DCHECK(IsCommandBufferContextLost());
-}
-
-void GLInProcessContext::SetSignalSyncPointCallback(
-    scoped_ptr<
-      WebKit::WebGraphicsContext3D::WebGraphicsSyncPointCallback> callback) {
-  signal_sync_point_callback_ = callback.Pass();
-}
-
-CommandBufferService* GLInProcessContext::GetCommandBufferService() {
-  return command_buffer_.get();
-}
-
-::gpu::gles2::GLES2Decoder* GLInProcessContext::GetDecoder() {
-  return decoder_.get();
-}
-
-void GLInProcessContext::OnResizeView(gfx::Size size) {
-  DCHECK(!surface_->IsOffscreen());
-  surface_->Resize(size);
-}
-
-// TODO(gman): Remove This
-void GLInProcessContext::DisableShaderTranslation() {
-  NOTREACHED();
-}
-
-GLES2Implementation* GLInProcessContext::GetImplementation() {
-  return gles2_implementation_.get();
-}
-
-::gpu::gles2::ImageManager* GLInProcessContext::GetImageManager() {
-  return decoder_->GetContextGroup()->image_manager();
-}
-
-scoped_refptr<ImageFactoryInProcess> GLInProcessContext::GetImageFactory() {
-  return image_factory_;
-}
-
-GLInProcessContext::GLInProcessContext(bool share_resources)
-    : last_error_(SUCCESS),
-      share_resources_(share_resources),
-      context_lost_(false) {
-}
-
-bool GLInProcessContext::Initialize(
-    bool is_offscreen,
-    gfx::AcceleratedWidget window,
-    const gfx::Size& size,
-    const char* allowed_extensions,
-    const int32* attrib_list,
-    gfx::GpuPreference gpu_preference) {
-  // Use one share group for all contexts.
-  CR_DEFINE_STATIC_LOCAL(scoped_refptr<gfx::GLShareGroup>, share_group,
-                         (new gfx::GLShareGroup));
-
-  DCHECK(size.width() >= 0 && size.height() >= 0);
-
-  // Ensure the gles2 library is initialized first in a thread safe way.
-  g_gles2_initializer.Get();
-
-  std::vector<int32> attribs;
-  while (attrib_list) {
-    int32 attrib = *attrib_list++;
-    switch (attrib) {
-      // Known attributes
-      case ALPHA_SIZE:
-      case BLUE_SIZE:
-      case GREEN_SIZE:
-      case RED_SIZE:
-      case DEPTH_SIZE:
-      case STENCIL_SIZE:
-      case SAMPLES:
-      case SAMPLE_BUFFERS:
-        attribs.push_back(attrib);
-        attribs.push_back(*attrib_list++);
-        break;
-      case NONE:
-        attribs.push_back(attrib);
-        attrib_list = NULL;
-        break;
-      default:
-        last_error_ = BAD_ATTRIBUTE;
-        attribs.push_back(NONE);
-        attrib_list = NULL;
-        break;
-    }
-  }
-
-  {
-    TransferBufferManager* manager = new TransferBufferManager();
-    transfer_buffer_manager_.reset(manager);
-    manager->Initialize();
-  }
-
-  command_buffer_.reset(
-      new CommandBufferService(transfer_buffer_manager_.get()));
-  if (!command_buffer_->Initialize()) {
-    LOG(ERROR) << "Could not initialize command buffer.";
-    Destroy();
-    return false;
-  }
-
-  GLInProcessContext* context_group = NULL;
-
-  {
-    AutoLockAndDecoderDetachThread lock(g_decoder_lock.Get(),
-                                        g_all_shared_contexts.Get());
-    if (share_resources_ && !g_all_shared_contexts.Get().empty()) {
-      for (std::set<GLInProcessContext*>::iterator it =
-               g_all_shared_contexts.Get().begin();
-           it != g_all_shared_contexts.Get().end();
-           ++it) {
-        if (!(*it)->IsCommandBufferContextLost()) {
-          context_group = *it;
-          break;
-        }
-      }
-      if (!context_group)
-        share_group = new gfx::GLShareGroup;
-    }
-
-    // TODO(gman): This needs to be true if this is Pepper.
-    bool bind_generates_resource = false;
-    decoder_.reset(::gpu::gles2::GLES2Decoder::Create(context_group ?
-        context_group->decoder_->GetContextGroup() :
-            new ::gpu::gles2::ContextGroup(
-                NULL, NULL, NULL, bind_generates_resource)));
-
-    gpu_scheduler_.reset(new GpuScheduler(command_buffer_.get(),
-                                          decoder_.get(),
-                                          decoder_.get()));
-
-    decoder_->set_engine(gpu_scheduler_.get());
-
-    if (is_offscreen)
-      surface_ = gfx::GLSurface::CreateOffscreenGLSurface(false, size);
-    else
-      surface_ = gfx::GLSurface::CreateViewGLSurface(false, window);
-
-    if (!surface_) {
-      LOG(ERROR) << "Could not create GLSurface.";
-      Destroy();
-      return false;
-    }
-
-    if (g_use_virtualized_gl_context) {
-      context_ = share_group->GetSharedContext();
-      if (!context_) {
-        context_ = gfx::GLContext::CreateGLContext(share_group.get(),
-                                                   surface_.get(),
-                                                   gpu_preference);
-        share_group->SetSharedContext(context_);
-      }
-
-      context_ = new ::gpu::GLContextVirtual(share_group.get(),
-                                             context_,
-                                             decoder_->AsWeakPtr());
-      if (context_->Initialize(surface_, gpu_preference)) {
-        VLOG(1) << "Created virtual GL context.";
-      } else {
-        context_ = NULL;
-      }
-    } else {
-      context_ = gfx::GLContext::CreateGLContext(share_group.get(),
-                                                 surface_.get(),
-                                                 gpu_preference);
-    }
-
-    if (!context_) {
-      LOG(ERROR) << "Could not create GLContext.";
-      Destroy();
-      return false;
-    }
-
-    if (!context_->MakeCurrent(surface_)) {
-      LOG(ERROR) << "Could not make context current.";
-      Destroy();
-      return false;
-    }
-
-    ::gpu::gles2::DisallowedFeatures disallowed_features;
-    disallowed_features.swap_buffer_complete_callback = true;
-    disallowed_features.gpu_memory_manager = true;
-    if (!decoder_->Initialize(surface_,
-                              context_,
-                              is_offscreen,
-                              size,
-                              disallowed_features,
-                              allowed_extensions,
-                              attribs)) {
-      LOG(ERROR) << "Could not initialize decoder.";
-      Destroy();
-      return false;
-    }
-
-    if (!is_offscreen) {
-      decoder_->SetResizeCallback(base::Bind(&GLInProcessContext::OnResizeView,
-                                             base::Unretained(this)));
-    }
-  }
-
-  command_buffer_->SetPutOffsetChangeCallback(
-      base::Bind(&GLInProcessContext::PumpCommands, base::Unretained(this)));
-  command_buffer_->SetGetBufferChangeCallback(
-      base::Bind(
-          &GLInProcessContext::GetBufferChanged, base::Unretained(this)));
-  command_buffer_->SetParseErrorCallback(
-      base::Bind(&GLInProcessContext::OnContextLost, base::Unretained(this)));
-
-  // Create the GLES2 helper, which writes the command buffer protocol.
-  gles2_helper_.reset(new GLES2CmdHelper(command_buffer_.get()));
-  if (!gles2_helper_->Initialize(kCommandBufferSize)) {
-    Destroy();
-    return false;
-  }
-
-  // Create a transfer buffer.
-  transfer_buffer_.reset(new TransferBuffer(gles2_helper_.get()));
-
-  if (share_resources_) {
-    AutoLockAndDecoderDetachThread lock(g_decoder_lock.Get(),
-                                        g_all_shared_contexts.Get());
-    if (g_all_shared_contexts.Get().empty()) {
-      // Create the image factory for the first context.
-      image_factory_ = new ImageFactoryInProcess(GetImageManager());
-    }  else {
-      // Share the image factory created by the first context.
-      GLInProcessContext* first_context =  *g_all_shared_contexts.Get().begin();
-      image_factory_ = first_context->GetImageFactory();
-    }
-  } else {
-    // Create the image factory, this object retains its ownership.
-    image_factory_ = new ImageFactoryInProcess(GetImageManager());
-  }
-
-  // Create the object exposing the OpenGL API.
-  gles2_implementation_.reset(new GLES2Implementation(
-      gles2_helper_.get(),
-      context_group ? context_group->GetImplementation()->share_group() : NULL,
-      transfer_buffer_.get(),
-      true,
-      false,
-      image_factory_));
-
-  if (!gles2_implementation_->Initialize(
-      kStartTransferBufferSize,
-      kMinTransferBufferSize,
-      kMaxTransferBufferSize)) {
-    return false;
-  }
-
-  if (share_resources_) {
-    AutoLockAndDecoderDetachThread lock(g_decoder_lock.Get(),
-                                        g_all_shared_contexts.Get());
-    g_all_shared_contexts.Pointer()->insert(this);
-  }
-
-  return true;
-}
-
-void GLInProcessContext::Destroy() {
-  bool context_lost = IsCommandBufferContextLost();
-
-  if (gles2_implementation_) {
-    // First flush the context to ensure that any pending frees of resources
-    // are completed. Otherwise, if this context is part of a share group,
-    // those resources might leak. Also, any remaining side effects of commands
-    // issued on this context might not be visible to other contexts in the
-    // share group.
-    gles2_implementation_->Flush();
-
-    gles2_implementation_.reset();
-  }
-
-  transfer_buffer_.reset();
-  gles2_helper_.reset();
-  command_buffer_.reset();
-
-  AutoLockAndDecoderDetachThread lock(g_decoder_lock.Get(),
-                                      g_all_shared_contexts.Get());
-  if (decoder_) {
-    decoder_->Destroy(!context_lost);
-  }
-
-  g_all_shared_contexts.Pointer()->erase(this);
-}
-
-void GLInProcessContext::OnContextLost() {
-  if (!context_lost_callback_.is_null())
-    context_lost_callback_.Run();
-
-  context_lost_ = true;
-  if (share_resources_) {
-      for (std::set<GLInProcessContext*>::iterator it =
-               g_all_shared_contexts.Get().begin();
-           it != g_all_shared_contexts.Get().end();
-           ++it)
-        (*it)->context_lost_ = true;
-  }
-}
-
-// static
-void
-WebGraphicsContext3DInProcessCommandBufferImpl::EnableVirtualizedContext() {
-#if !defined(NDEBUG)
-  {
-    AutoLockAndDecoderDetachThread lock(g_decoder_lock.Get(),
-                                        g_all_shared_contexts.Get());
-    DCHECK(g_all_shared_contexts.Get().empty());
-  }
-#endif  // !defined(NDEBUG)
-  g_use_virtualized_gl_context = true;
-}
-
-// static
-WebGraphicsContext3DInProcessCommandBufferImpl*
-WebGraphicsContext3DInProcessCommandBufferImpl::CreateViewContext(
-    const WebKit::WebGraphicsContext3D::Attributes& attributes,
-    gfx::AcceleratedWidget window) {
-  if (!gfx::GLSurface::InitializeOneOff())
-    return NULL;
-  return new WebGraphicsContext3DInProcessCommandBufferImpl(
-      attributes, false, window);
-}
-
-// static
-WebGraphicsContext3DInProcessCommandBufferImpl*
-WebGraphicsContext3DInProcessCommandBufferImpl::CreateOffscreenContext(
-    const WebKit::WebGraphicsContext3D::Attributes& attributes) {
-  return new WebGraphicsContext3DInProcessCommandBufferImpl(
-      attributes, true, gfx::kNullAcceleratedWidget);
-}
-
-WebGraphicsContext3DInProcessCommandBufferImpl::
-    WebGraphicsContext3DInProcessCommandBufferImpl(
-        const WebKit::WebGraphicsContext3D::Attributes& attributes,
-        bool is_offscreen,
-        gfx::AcceleratedWidget window)
-    : is_offscreen_(is_offscreen),
-      window_(window),
-      initialized_(false),
-      initialize_failed_(false),
-      context_(NULL),
-      gl_(NULL),
-      context_lost_callback_(NULL),
-      context_lost_reason_(GL_NO_ERROR),
-      attributes_(attributes),
-      cached_width_(0),
-      cached_height_(0),
-      bound_fbo_(0) {
-}
-
-WebGraphicsContext3DInProcessCommandBufferImpl::
-    ~WebGraphicsContext3DInProcessCommandBufferImpl() {
-}
-
-bool WebGraphicsContext3DInProcessCommandBufferImpl::MaybeInitializeGL() {
-  if (initialized_)
-    return true;
-
-  if (initialize_failed_)
-    return false;
-
-  // Convert WebGL context creation attributes into GLInProcessContext / EGL
-  // size requests.
-  const int alpha_size = attributes_.alpha ? 8 : 0;
-  const int depth_size = attributes_.depth ? 24 : 0;
-  const int stencil_size = attributes_.stencil ? 8 : 0;
-  const int samples = attributes_.antialias ? 4 : 0;
-  const int sample_buffers = attributes_.antialias ? 1 : 0;
-  const int32 attribs[] = {
-    GLInProcessContext::ALPHA_SIZE, alpha_size,
-    GLInProcessContext::DEPTH_SIZE, depth_size,
-    GLInProcessContext::STENCIL_SIZE, stencil_size,
-    GLInProcessContext::SAMPLES, samples,
-    GLInProcessContext::SAMPLE_BUFFERS, sample_buffers,
-    GLInProcessContext::NONE,
-  };
-
-  const char* preferred_extensions = "*";
-
-  // TODO(kbr): More work will be needed in this implementation to
-  // properly support GPU switching. Like in the out-of-process
-  // command buffer implementation, all previously created contexts
-  // will need to be lost either when the first context requesting the
-  // discrete GPU is created, or the last one is destroyed.
-  gfx::GpuPreference gpu_preference = gfx::PreferDiscreteGpu;
-
-  context_ = GLInProcessContext::CreateContext(
-      is_offscreen_,
-      window_,
-      gfx::Size(1, 1),
-      attributes_.shareResources,
-      preferred_extensions,
-      attribs,
-      gpu_preference);
-
-  if (!context_) {
-    initialize_failed_ = true;
-    return false;
-  }
-
-  gl_ = context_->GetImplementation();
-
-  if (gl_ && attributes_.noExtensions)
-    gl_->EnableFeatureCHROMIUM("webgl_enable_glsl_webgl_validation");
-
-  context_->SetContextLostCallback(
-      base::Bind(
-          &WebGraphicsContext3DInProcessCommandBufferImpl::OnContextLost,
-          base::Unretained(this)));
-
-  // Set attributes_ from created offscreen context.
-  {
-    GLint alpha_bits = 0;
-    getIntegerv(GL_ALPHA_BITS, &alpha_bits);
-    attributes_.alpha = alpha_bits > 0;
-    GLint depth_bits = 0;
-    getIntegerv(GL_DEPTH_BITS, &depth_bits);
-    attributes_.depth = depth_bits > 0;
-    GLint stencil_bits = 0;
-    getIntegerv(GL_STENCIL_BITS, &stencil_bits);
-    attributes_.stencil = stencil_bits > 0;
-    GLint sample_buffers = 0;
-    getIntegerv(GL_SAMPLE_BUFFERS, &sample_buffers);
-    attributes_.antialias = sample_buffers > 0;
-  }
-
-  initialized_ = true;
-  return true;
-}
-
-bool WebGraphicsContext3DInProcessCommandBufferImpl::makeContextCurrent() {
-  if (!MaybeInitializeGL())
-    return false;
-
-  return GLInProcessContext::MakeCurrent(context_);
-}
-
-void WebGraphicsContext3DInProcessCommandBufferImpl::ClearContext() {
-  // NOTE: Comment in the line below to check for code that is not calling
-  // eglMakeCurrent where appropriate. The issue is code using
-  // WebGraphicsContext3D does not need to call makeContextCurrent. Code using
-  // direct OpenGL bindings needs to call the appropriate form of
-  // eglMakeCurrent. If it doesn't it will be issuing commands on the wrong
-  // context. Uncommenting the line below clears the current context so that
-  // any code not calling eglMakeCurrent in the appropriate place should crash.
-  // This is not a perfect test but generally code that used the direct OpenGL
-  // bindings should not be mixed with code that uses WebGraphicsContext3D.
-  //
-  // GLInProcessContext::MakeCurrent(NULL);
-}
-
-int WebGraphicsContext3DInProcessCommandBufferImpl::width() {
-  return cached_width_;
-}
-
-int WebGraphicsContext3DInProcessCommandBufferImpl::height() {
-  return cached_height_;
-}
-
-bool WebGraphicsContext3DInProcessCommandBufferImpl::isGLES2Compliant() {
-  return true;
-}
-
-bool WebGraphicsContext3DInProcessCommandBufferImpl::setParentContext(
-    WebGraphicsContext3D* parent_context) {
-  return false;
-}
-
-WebGLId WebGraphicsContext3DInProcessCommandBufferImpl::getPlatformTextureId() {
-  DCHECK(context_);
-  return context_->GetParentTextureId();
-}
-
-void WebGraphicsContext3DInProcessCommandBufferImpl::prepareTexture() {
-  // Copies the contents of the off-screen render target into the texture
-  // used by the compositor.
-  context_->SwapBuffers();
-}
-
-void WebGraphicsContext3DInProcessCommandBufferImpl::postSubBufferCHROMIUM(
-    int x, int y, int width, int height) {
-  gl_->PostSubBufferCHROMIUM(x, y, width, height);
-}
-
-void WebGraphicsContext3DInProcessCommandBufferImpl::reshape(
-    int width, int height) {
-  reshapeWithScaleFactor(width, height, 1.0f);
-}
-
-void WebGraphicsContext3DInProcessCommandBufferImpl::reshapeWithScaleFactor(
-    int width, int height, float scale_factor) {
-  cached_width_ = width;
-  cached_height_ = height;
-
-  // TODO(gmam): See if we can comment this in.
-  // ClearContext();
-
-  gl_->ResizeCHROMIUM(width, height);
-}
-
-WebGLId WebGraphicsContext3DInProcessCommandBufferImpl::createCompositorTexture(
-    WGC3Dsizei width, WGC3Dsizei height) {
-  // TODO(gmam): See if we can comment this in.
-  // ClearContext();
-  return context_->CreateParentTexture(gfx::Size(width, height));
-}
-
-void WebGraphicsContext3DInProcessCommandBufferImpl::deleteCompositorTexture(
-    WebGLId parent_texture) {
-  // TODO(gmam): See if we can comment this in.
-  // ClearContext();
-  context_->DeleteParentTexture(parent_texture);
-}
-
-void WebGraphicsContext3DInProcessCommandBufferImpl::FlipVertically(
-    uint8* framebuffer,
-    unsigned int width,
-    unsigned int height) {
-  if (width == 0)
-    return;
-  scanline_.resize(width * 4);
-  uint8* scanline = &scanline_[0];
-  unsigned int row_bytes = width * 4;
-  unsigned int count = height / 2;
-  for (unsigned int i = 0; i < count; i++) {
-    uint8* row_a = framebuffer + i * row_bytes;
-    uint8* row_b = framebuffer + (height - i - 1) * row_bytes;
-    // TODO(kbr): this is where the multiplication of the alpha
-    // channel into the color buffer will need to occur if the
-    // user specifies the "premultiplyAlpha" flag in the context
-    // creation attributes.
-    memcpy(scanline, row_b, row_bytes);
-    memcpy(row_b, row_a, row_bytes);
-    memcpy(row_a, scanline, row_bytes);
-  }
-}
-
-bool WebGraphicsContext3DInProcessCommandBufferImpl::readBackFramebuffer(
-    unsigned char* pixels,
-    size_t buffer_size,
-    WebGLId framebuffer,
-    int width,
-    int height) {
-  // TODO(gmam): See if we can comment this in.
-  // ClearContext();
-  if (buffer_size != static_cast<size_t>(4 * width * height)) {
-    return false;
-  }
-
-  // Earlier versions of this code used the GPU to flip the
-  // framebuffer vertically before reading it back for compositing
-  // via software. This code was quite complicated, used a lot of
-  // GPU memory, and didn't provide an obvious speedup. Since this
-  // vertical flip is only a temporary solution anyway until Chrome
-  // is fully GPU composited, it wasn't worth the complexity.
-
-  bool mustRestoreFBO = (bound_fbo_ != framebuffer);
-  if (mustRestoreFBO) {
-    gl_->BindFramebuffer(GL_FRAMEBUFFER, framebuffer);
-  }
-  gl_->ReadPixels(0, 0, width, height, GL_RGBA, GL_UNSIGNED_BYTE, pixels);
-
-  // Swizzle red and blue channels
-  // TODO(kbr): expose GL_BGRA as extension
-  for (size_t i = 0; i < buffer_size; i += 4) {
-    std::swap(pixels[i], pixels[i + 2]);
-  }
-
-  if (mustRestoreFBO) {
-    gl_->BindFramebuffer(GL_FRAMEBUFFER, bound_fbo_);
-  }
-
-  if (pixels) {
-    FlipVertically(pixels, width, height);
-  }
-
-  return true;
-}
-
-bool WebGraphicsContext3DInProcessCommandBufferImpl::readBackFramebuffer(
-    unsigned char* pixels,
-    size_t buffer_size) {
-  return readBackFramebuffer(pixels, buffer_size, 0, width(), height());
-}
-
-void WebGraphicsContext3DInProcessCommandBufferImpl::synthesizeGLError(
-    WGC3Denum error) {
-  if (std::find(synthetic_errors_.begin(), synthetic_errors_.end(), error) ==
-      synthetic_errors_.end()) {
-    synthetic_errors_.push_back(error);
-  }
-}
-
-void* WebGraphicsContext3DInProcessCommandBufferImpl::mapBufferSubDataCHROMIUM(
-    WGC3Denum target,
-    WGC3Dintptr offset,
-    WGC3Dsizeiptr size,
-    WGC3Denum access) {
-  ClearContext();
-  return gl_->MapBufferSubDataCHROMIUM(target, offset, size, access);
-}
-
-void WebGraphicsContext3DInProcessCommandBufferImpl::unmapBufferSubDataCHROMIUM(
-    const void* mem) {
-  ClearContext();
-  return gl_->UnmapBufferSubDataCHROMIUM(mem);
-}
-
-void* WebGraphicsContext3DInProcessCommandBufferImpl::mapTexSubImage2DCHROMIUM(
-    WGC3Denum target,
-    WGC3Dint level,
-    WGC3Dint xoffset,
-    WGC3Dint yoffset,
-    WGC3Dsizei width,
-    WGC3Dsizei height,
-    WGC3Denum format,
-    WGC3Denum type,
-    WGC3Denum access) {
-  ClearContext();
-  return gl_->MapTexSubImage2DCHROMIUM(
-      target, level, xoffset, yoffset, width, height, format, type, access);
-}
-
-void WebGraphicsContext3DInProcessCommandBufferImpl::unmapTexSubImage2DCHROMIUM(
-    const void* mem) {
-  ClearContext();
-  gl_->UnmapTexSubImage2DCHROMIUM(mem);
-}
-
-void WebGraphicsContext3DInProcessCommandBufferImpl::setVisibilityCHROMIUM(
-    bool visible) {
-}
-
-void WebGraphicsContext3DInProcessCommandBufferImpl::
-    setMemoryAllocationChangedCallbackCHROMIUM(
-        WebGraphicsMemoryAllocationChangedCallbackCHROMIUM* callback) {
-}
-
-void WebGraphicsContext3DInProcessCommandBufferImpl::discardFramebufferEXT(
-    WGC3Denum target, WGC3Dsizei numAttachments, const WGC3Denum* attachments) {
-  gl_->DiscardFramebufferEXT(target, numAttachments, attachments);
-}
-
-void WebGraphicsContext3DInProcessCommandBufferImpl::
-    discardBackbufferCHROMIUM() {
-}
-
-void WebGraphicsContext3DInProcessCommandBufferImpl::
-    ensureBackbufferCHROMIUM() {
-}
-
-void WebGraphicsContext3DInProcessCommandBufferImpl::
-    copyTextureToParentTextureCHROMIUM(WebGLId texture, WebGLId parentTexture) {
-  NOTIMPLEMENTED();
-}
-
-void WebGraphicsContext3DInProcessCommandBufferImpl::
-    rateLimitOffscreenContextCHROMIUM() {
-  // TODO(gmam): See if we can comment this in.
-  // ClearContext();
-  gl_->RateLimitOffscreenContextCHROMIUM();
-}
-
-WebKit::WebString WebGraphicsContext3DInProcessCommandBufferImpl::
-    getRequestableExtensionsCHROMIUM() {
-  // TODO(gmam): See if we can comment this in.
-  // ClearContext();
-  return WebKit::WebString::fromUTF8(
-      gl_->GetRequestableExtensionsCHROMIUM());
-}
-
-void WebGraphicsContext3DInProcessCommandBufferImpl::requestExtensionCHROMIUM(
-    const char* extension) {
-  // TODO(gmam): See if we can comment this in.
-  // ClearContext();
-  gl_->RequestExtensionCHROMIUM(extension);
-}
-
-void WebGraphicsContext3DInProcessCommandBufferImpl::blitFramebufferCHROMIUM(
-    WGC3Dint srcX0, WGC3Dint srcY0, WGC3Dint srcX1, WGC3Dint srcY1,
-    WGC3Dint dstX0, WGC3Dint dstY0, WGC3Dint dstX1, WGC3Dint dstY1,
-    WGC3Dbitfield mask, WGC3Denum filter) {
-  ClearContext();
-  gl_->BlitFramebufferEXT(
-      srcX0, srcY0, srcX1, srcY1,
-      dstX0, dstY0, dstX1, dstY1,
-      mask, filter);
-}
-
-void WebGraphicsContext3DInProcessCommandBufferImpl::
-    renderbufferStorageMultisampleCHROMIUM(
-        WGC3Denum target, WGC3Dsizei samples, WGC3Denum internalformat,
-        WGC3Dsizei width, WGC3Dsizei height) {
-  ClearContext();
-  gl_->RenderbufferStorageMultisampleEXT(
-      target, samples, internalformat, width, height);
-}
-
-// Helper macros to reduce the amount of code.
-
-#define DELEGATE_TO_GL(name, glname)                                    \
-void WebGraphicsContext3DInProcessCommandBufferImpl::name() {           \
-  ClearContext();                                                       \
-  gl_->glname();                                                        \
-}
-
-#define DELEGATE_TO_GL_1(name, glname, t1)                              \
-void WebGraphicsContext3DInProcessCommandBufferImpl::name(t1 a1) {      \
-  ClearContext();                                                       \
-  gl_->glname(a1);                                                      \
-}
-
-#define DELEGATE_TO_GL_1R(name, glname, t1, rt)                         \
-rt WebGraphicsContext3DInProcessCommandBufferImpl::name(t1 a1) {        \
-  ClearContext();                                                       \
-  return gl_->glname(a1);                                               \
-}
-
-#define DELEGATE_TO_GL_1RB(name, glname, t1, rt)                        \
-rt WebGraphicsContext3DInProcessCommandBufferImpl::name(t1 a1) {        \
-  ClearContext();                                                       \
-  return gl_->glname(a1) ? true : false;                                \
-}
-
-#define DELEGATE_TO_GL_2(name, glname, t1, t2)                          \
-void WebGraphicsContext3DInProcessCommandBufferImpl::name(              \
-    t1 a1, t2 a2) {                                                     \
-  ClearContext();                                                       \
-  gl_->glname(a1, a2);                                                  \
-}
-
-#define DELEGATE_TO_GL_2R(name, glname, t1, t2, rt)                     \
-rt WebGraphicsContext3DInProcessCommandBufferImpl::name(t1 a1, t2 a2) { \
-  ClearContext();                                                       \
-  return gl_->glname(a1, a2);                                           \
-}
-
-#define DELEGATE_TO_GL_3(name, glname, t1, t2, t3)                      \
-void WebGraphicsContext3DInProcessCommandBufferImpl::name(              \
-    t1 a1, t2 a2, t3 a3) {                                              \
-  ClearContext();                                                       \
-  gl_->glname(a1, a2, a3);                                              \
-}
-
-#define DELEGATE_TO_GL_3R(name, glname, t1, t2, t3, rt)                 \
-rt WebGraphicsContext3DInProcessCommandBufferImpl::name(                \
-    t1 a1, t2 a2, t3 a3) {                                              \
-  ClearContext();                                                       \
-  return gl_->glname(a1, a2, a3);                                       \
-}
-
-#define DELEGATE_TO_GL_4(name, glname, t1, t2, t3, t4)                  \
-void WebGraphicsContext3DInProcessCommandBufferImpl::name(              \
-    t1 a1, t2 a2, t3 a3, t4 a4) {                                       \
-  ClearContext();                                                       \
-  gl_->glname(a1, a2, a3, a4);                                          \
-}
-
-#define DELEGATE_TO_GL_5(name, glname, t1, t2, t3, t4, t5)              \
-void WebGraphicsContext3DInProcessCommandBufferImpl::name(              \
-    t1 a1, t2 a2, t3 a3, t4 a4, t5 a5) {                                \
-  ClearContext();                                                       \
-  gl_->glname(a1, a2, a3, a4, a5);                                      \
-}
-
-#define DELEGATE_TO_GL_6(name, glname, t1, t2, t3, t4, t5, t6)          \
-void WebGraphicsContext3DInProcessCommandBufferImpl::name(              \
-    t1 a1, t2 a2, t3 a3, t4 a4, t5 a5, t6 a6) {                         \
-  ClearContext();                                                       \
-  gl_->glname(a1, a2, a3, a4, a5, a6);                                  \
-}
-
-#define DELEGATE_TO_GL_7(name, glname, t1, t2, t3, t4, t5, t6, t7)      \
-void WebGraphicsContext3DInProcessCommandBufferImpl::name(              \
-    t1 a1, t2 a2, t3 a3, t4 a4, t5 a5, t6 a6, t7 a7) {                  \
-  ClearContext();                                                       \
-  gl_->glname(a1, a2, a3, a4, a5, a6, a7);                              \
-}
-
-#define DELEGATE_TO_GL_8(name, glname, t1, t2, t3, t4, t5, t6, t7, t8)  \
-void WebGraphicsContext3DInProcessCommandBufferImpl::name(              \
-    t1 a1, t2 a2, t3 a3, t4 a4, t5 a5, t6 a6, t7 a7, t8 a8) {           \
-  ClearContext();                                                       \
-  gl_->glname(a1, a2, a3, a4, a5, a6, a7, a8);                          \
-}
-
-#define DELEGATE_TO_GL_9(name, glname, t1, t2, t3, t4, t5, t6, t7, t8, t9) \
-void WebGraphicsContext3DInProcessCommandBufferImpl::name(              \
-    t1 a1, t2 a2, t3 a3, t4 a4, t5 a5, t6 a6, t7 a7, t8 a8, t9 a9) {    \
-  ClearContext();                                                       \
-  gl_->glname(a1, a2, a3, a4, a5, a6, a7, a8, a9);                      \
-}
-
-DELEGATE_TO_GL_1(activeTexture, ActiveTexture, WGC3Denum)
-
-DELEGATE_TO_GL_2(attachShader, AttachShader, WebGLId, WebGLId)
-
-DELEGATE_TO_GL_3(bindAttribLocation, BindAttribLocation, WebGLId,
-                 WGC3Duint, const WGC3Dchar*)
-
-DELEGATE_TO_GL_2(bindBuffer, BindBuffer, WGC3Denum, WebGLId)
-
-void WebGraphicsContext3DInProcessCommandBufferImpl::bindFramebuffer(
-    WGC3Denum target,
-    WebGLId framebuffer) {
-  ClearContext();
-  gl_->BindFramebuffer(target, framebuffer);
-  bound_fbo_ = framebuffer;
-}
-
-DELEGATE_TO_GL_2(bindRenderbuffer, BindRenderbuffer, WGC3Denum, WebGLId)
-
-DELEGATE_TO_GL_2(bindTexture, BindTexture, WGC3Denum, WebGLId)
-
-DELEGATE_TO_GL_4(blendColor, BlendColor,
-                 WGC3Dclampf, WGC3Dclampf, WGC3Dclampf, WGC3Dclampf)
-
-DELEGATE_TO_GL_1(blendEquation, BlendEquation, WGC3Denum)
-
-DELEGATE_TO_GL_2(blendEquationSeparate, BlendEquationSeparate,
-                 WGC3Denum, WGC3Denum)
-
-DELEGATE_TO_GL_2(blendFunc, BlendFunc, WGC3Denum, WGC3Denum)
-
-DELEGATE_TO_GL_4(blendFuncSeparate, BlendFuncSeparate,
-                 WGC3Denum, WGC3Denum, WGC3Denum, WGC3Denum)
-
-DELEGATE_TO_GL_4(bufferData, BufferData,
-                 WGC3Denum, WGC3Dsizeiptr, const void*, WGC3Denum)
-
-DELEGATE_TO_GL_4(bufferSubData, BufferSubData,
-                 WGC3Denum, WGC3Dintptr, WGC3Dsizeiptr, const void*)
-
-DELEGATE_TO_GL_1R(checkFramebufferStatus, CheckFramebufferStatus,
-                  WGC3Denum, WGC3Denum)
-
-DELEGATE_TO_GL_1(clear, Clear, WGC3Dbitfield)
-
-DELEGATE_TO_GL_4(clearColor, ClearColor,
-                 WGC3Dclampf, WGC3Dclampf, WGC3Dclampf, WGC3Dclampf)
-
-DELEGATE_TO_GL_1(clearDepth, ClearDepthf, WGC3Dclampf)
-
-DELEGATE_TO_GL_1(clearStencil, ClearStencil, WGC3Dint)
-
-DELEGATE_TO_GL_4(colorMask, ColorMask,
-                 WGC3Dboolean, WGC3Dboolean, WGC3Dboolean, WGC3Dboolean)
-
-DELEGATE_TO_GL_1(compileShader, CompileShader, WebGLId)
-
-DELEGATE_TO_GL_8(compressedTexImage2D, CompressedTexImage2D,
-                 WGC3Denum, WGC3Dint, WGC3Denum, WGC3Dint, WGC3Dint,
-                 WGC3Dsizei, WGC3Dsizei, const void*)
-
-DELEGATE_TO_GL_9(compressedTexSubImage2D, CompressedTexSubImage2D,
-                 WGC3Denum, WGC3Dint, WGC3Dint, WGC3Dint, WGC3Dint, WGC3Dint,
-                 WGC3Denum, WGC3Dsizei, const void*)
-
-DELEGATE_TO_GL_8(copyTexImage2D, CopyTexImage2D,
-                 WGC3Denum, WGC3Dint, WGC3Denum, WGC3Dint, WGC3Dint,
-                 WGC3Dsizei, WGC3Dsizei, WGC3Dint)
-
-DELEGATE_TO_GL_8(copyTexSubImage2D, CopyTexSubImage2D,
-                 WGC3Denum, WGC3Dint, WGC3Dint, WGC3Dint, WGC3Dint, WGC3Dint,
-                 WGC3Dsizei, WGC3Dsizei)
-
-DELEGATE_TO_GL_1(cullFace, CullFace, WGC3Denum)
-
-DELEGATE_TO_GL_1(depthFunc, DepthFunc, WGC3Denum)
-
-DELEGATE_TO_GL_1(depthMask, DepthMask, WGC3Dboolean)
-
-DELEGATE_TO_GL_2(depthRange, DepthRangef, WGC3Dclampf, WGC3Dclampf)
-
-DELEGATE_TO_GL_2(detachShader, DetachShader, WebGLId, WebGLId)
-
-DELEGATE_TO_GL_1(disable, Disable, WGC3Denum)
-
-DELEGATE_TO_GL_1(disableVertexAttribArray, DisableVertexAttribArray,
-                 WGC3Duint)
-
-DELEGATE_TO_GL_3(drawArrays, DrawArrays, WGC3Denum, WGC3Dint, WGC3Dsizei)
-
-void WebGraphicsContext3DInProcessCommandBufferImpl::drawElements(
-    WGC3Denum mode,
-    WGC3Dsizei count,
-    WGC3Denum type,
-    WGC3Dintptr offset) {
-  ClearContext();
-  gl_->DrawElements(
-      mode, count, type,
-      reinterpret_cast<void*>(static_cast<intptr_t>(offset)));
-}
-
-DELEGATE_TO_GL_1(enable, Enable, WGC3Denum)
-
-DELEGATE_TO_GL_1(enableVertexAttribArray, EnableVertexAttribArray,
-                 WGC3Duint)
-
-DELEGATE_TO_GL(finish, Finish)
-
-DELEGATE_TO_GL(flush, Flush)
-
-DELEGATE_TO_GL_4(framebufferRenderbuffer, FramebufferRenderbuffer,
-                 WGC3Denum, WGC3Denum, WGC3Denum, WebGLId)
-
-DELEGATE_TO_GL_5(framebufferTexture2D, FramebufferTexture2D,
-                 WGC3Denum, WGC3Denum, WGC3Denum, WebGLId, WGC3Dint)
-
-DELEGATE_TO_GL_1(frontFace, FrontFace, WGC3Denum)
-
-DELEGATE_TO_GL_1(generateMipmap, GenerateMipmap, WGC3Denum)
-
-bool WebGraphicsContext3DInProcessCommandBufferImpl::getActiveAttrib(
-    WebGLId program, WGC3Duint index, ActiveInfo& info) {
-  ClearContext();
-  if (!program) {
-    synthesizeGLError(GL_INVALID_VALUE);
-    return false;
-  }
-  GLint max_name_length = -1;
-  gl_->GetProgramiv(
-      program, GL_ACTIVE_ATTRIBUTE_MAX_LENGTH, &max_name_length);
-  if (max_name_length < 0)
-    return false;
-  scoped_ptr<GLchar[]> name(new GLchar[max_name_length]);
-  if (!name) {
-    synthesizeGLError(GL_OUT_OF_MEMORY);
-    return false;
-  }
-  GLsizei length = 0;
-  GLint size = -1;
-  GLenum type = 0;
-  gl_->GetActiveAttrib(
-      program, index, max_name_length, &length, &size, &type, name.get());
-  if (size < 0) {
-    return false;
-  }
-  info.name = WebKit::WebString::fromUTF8(name.get(), length);
-  info.type = type;
-  info.size = size;
-  return true;
-}
-
-bool WebGraphicsContext3DInProcessCommandBufferImpl::getActiveUniform(
-    WebGLId program, WGC3Duint index, ActiveInfo& info) {
-  ClearContext();
-  GLint max_name_length = -1;
-  gl_->GetProgramiv(
-      program, GL_ACTIVE_UNIFORM_MAX_LENGTH, &max_name_length);
-  if (max_name_length < 0)
-    return false;
-  scoped_ptr<GLchar[]> name(new GLchar[max_name_length]);
-  if (!name) {
-    synthesizeGLError(GL_OUT_OF_MEMORY);
-    return false;
-  }
-  GLsizei length = 0;
-  GLint size = -1;
-  GLenum type = 0;
-  gl_->GetActiveUniform(
-      program, index, max_name_length, &length, &size, &type, name.get());
-  if (size < 0) {
-    return false;
-  }
-  info.name = WebKit::WebString::fromUTF8(name.get(), length);
-  info.type = type;
-  info.size = size;
-  return true;
-}
-
-DELEGATE_TO_GL_4(getAttachedShaders, GetAttachedShaders,
-                 WebGLId, WGC3Dsizei, WGC3Dsizei*, WebGLId*)
-
-DELEGATE_TO_GL_2R(getAttribLocation, GetAttribLocation,
-                  WebGLId, const WGC3Dchar*, WGC3Dint)
-
-DELEGATE_TO_GL_2(getBooleanv, GetBooleanv, WGC3Denum, WGC3Dboolean*)
-
-DELEGATE_TO_GL_3(getBufferParameteriv, GetBufferParameteriv,
-                 WGC3Denum, WGC3Denum, WGC3Dint*)
-
-WebKit::WebGraphicsContext3D::Attributes
-WebGraphicsContext3DInProcessCommandBufferImpl::getContextAttributes() {
-  return attributes_;
-}
-
-WGC3Denum WebGraphicsContext3DInProcessCommandBufferImpl::getError() {
-  ClearContext();
-  if (!synthetic_errors_.empty()) {
-    std::vector<WGC3Denum>::iterator iter = synthetic_errors_.begin();
-    WGC3Denum err = *iter;
-    synthetic_errors_.erase(iter);
-    return err;
-  }
-
-  return gl_->GetError();
-}
-
-bool WebGraphicsContext3DInProcessCommandBufferImpl::isContextLost() {
-  return context_->IsCommandBufferContextLost();
-}
-
-DELEGATE_TO_GL_2(getFloatv, GetFloatv, WGC3Denum, WGC3Dfloat*)
-
-DELEGATE_TO_GL_4(getFramebufferAttachmentParameteriv,
-                 GetFramebufferAttachmentParameteriv,
-                 WGC3Denum, WGC3Denum, WGC3Denum, WGC3Dint*)
-
-DELEGATE_TO_GL_2(getIntegerv, GetIntegerv, WGC3Denum, WGC3Dint*)
-
-DELEGATE_TO_GL_3(getProgramiv, GetProgramiv, WebGLId, WGC3Denum, WGC3Dint*)
-
-WebKit::WebString WebGraphicsContext3DInProcessCommandBufferImpl::
-    getProgramInfoLog(WebGLId program) {
-  ClearContext();
-  GLint logLength = 0;
-  gl_->GetProgramiv(program, GL_INFO_LOG_LENGTH, &logLength);
-  if (!logLength)
-    return WebKit::WebString();
-  scoped_ptr<GLchar[]> log(new GLchar[logLength]);
-  if (!log)
-    return WebKit::WebString();
-  GLsizei returnedLogLength = 0;
-  gl_->GetProgramInfoLog(
-      program, logLength, &returnedLogLength, log.get());
-  DCHECK_EQ(logLength, returnedLogLength + 1);
-  WebKit::WebString res =
-      WebKit::WebString::fromUTF8(log.get(), returnedLogLength);
-  return res;
-}
-
-DELEGATE_TO_GL_3(getRenderbufferParameteriv, GetRenderbufferParameteriv,
-                 WGC3Denum, WGC3Denum, WGC3Dint*)
-
-DELEGATE_TO_GL_3(getShaderiv, GetShaderiv, WebGLId, WGC3Denum, WGC3Dint*)
-
-WebKit::WebString WebGraphicsContext3DInProcessCommandBufferImpl::
-    getShaderInfoLog(WebGLId shader) {
-  ClearContext();
-  GLint logLength = 0;
-  gl_->GetShaderiv(shader, GL_INFO_LOG_LENGTH, &logLength);
-  if (!logLength)
-    return WebKit::WebString();
-  scoped_ptr<GLchar[]> log(new GLchar[logLength]);
-  if (!log)
-    return WebKit::WebString();
-  GLsizei returnedLogLength = 0;
-  gl_->GetShaderInfoLog(
-      shader, logLength, &returnedLogLength, log.get());
-  DCHECK_EQ(logLength, returnedLogLength + 1);
-  WebKit::WebString res =
-      WebKit::WebString::fromUTF8(log.get(), returnedLogLength);
-  return res;
-}
-
-DELEGATE_TO_GL_4(getShaderPrecisionFormat, GetShaderPrecisionFormat,
-                 WGC3Denum, WGC3Denum, WGC3Dint*, WGC3Dint*)
-
-WebKit::WebString WebGraphicsContext3DInProcessCommandBufferImpl::
-    getShaderSource(WebGLId shader) {
-  ClearContext();
-  GLint logLength = 0;
-  gl_->GetShaderiv(shader, GL_SHADER_SOURCE_LENGTH, &logLength);
-  if (!logLength)
-    return WebKit::WebString();
-  scoped_ptr<GLchar[]> log(new GLchar[logLength]);
-  if (!log)
-    return WebKit::WebString();
-  GLsizei returnedLogLength = 0;
-  gl_->GetShaderSource(
-      shader, logLength, &returnedLogLength, log.get());
-  if (!returnedLogLength)
-    return WebKit::WebString();
-  DCHECK_EQ(logLength, returnedLogLength + 1);
-  WebKit::WebString res =
-      WebKit::WebString::fromUTF8(log.get(), returnedLogLength);
-  return res;
-}
-
-WebKit::WebString WebGraphicsContext3DInProcessCommandBufferImpl::
-    getTranslatedShaderSourceANGLE(WebGLId shader) {
-  ClearContext();
-  GLint logLength = 0;
-  gl_->GetShaderiv(
-      shader, GL_TRANSLATED_SHADER_SOURCE_LENGTH_ANGLE, &logLength);
-  if (!logLength)
-    return WebKit::WebString();
-  scoped_ptr<GLchar[]> log(new GLchar[logLength]);
-  if (!log)
-    return WebKit::WebString();
-  GLsizei returnedLogLength = 0;
-  gl_->GetTranslatedShaderSourceANGLE(
-      shader, logLength, &returnedLogLength, log.get());
-  if (!returnedLogLength)
-    return WebKit::WebString();
-  DCHECK_EQ(logLength, returnedLogLength + 1);
-  WebKit::WebString res =
-      WebKit::WebString::fromUTF8(log.get(), returnedLogLength);
-  return res;
-}
-
-WebKit::WebString WebGraphicsContext3DInProcessCommandBufferImpl::getString(
-    WGC3Denum name) {
-  ClearContext();
-  return WebKit::WebString::fromUTF8(
-      reinterpret_cast<const char*>(gl_->GetString(name)));
-}
-
-DELEGATE_TO_GL_3(getTexParameterfv, GetTexParameterfv,
-                 WGC3Denum, WGC3Denum, WGC3Dfloat*)
-
-DELEGATE_TO_GL_3(getTexParameteriv, GetTexParameteriv,
-                 WGC3Denum, WGC3Denum, WGC3Dint*)
-
-DELEGATE_TO_GL_3(getUniformfv, GetUniformfv, WebGLId, WGC3Dint, WGC3Dfloat*)
-
-DELEGATE_TO_GL_3(getUniformiv, GetUniformiv, WebGLId, WGC3Dint, WGC3Dint*)
-
-DELEGATE_TO_GL_2R(getUniformLocation, GetUniformLocation,
-                  WebGLId, const WGC3Dchar*, WGC3Dint)
-
-DELEGATE_TO_GL_3(getVertexAttribfv, GetVertexAttribfv,
-                 WGC3Duint, WGC3Denum, WGC3Dfloat*)
-
-DELEGATE_TO_GL_3(getVertexAttribiv, GetVertexAttribiv,
-                 WGC3Duint, WGC3Denum, WGC3Dint*)
-
-WGC3Dsizeiptr WebGraphicsContext3DInProcessCommandBufferImpl::
-    getVertexAttribOffset(WGC3Duint index, WGC3Denum pname) {
-  ClearContext();
-  GLvoid* value = NULL;
-  // NOTE: If pname is ever a value that returns more then 1 element
-  // this will corrupt memory.
-  gl_->GetVertexAttribPointerv(index, pname, &value);
-  return static_cast<WGC3Dsizeiptr>(reinterpret_cast<intptr_t>(value));
-}
-
-DELEGATE_TO_GL_2(hint, Hint, WGC3Denum, WGC3Denum)
-
-DELEGATE_TO_GL_1RB(isBuffer, IsBuffer, WebGLId, WGC3Dboolean)
-
-DELEGATE_TO_GL_1RB(isEnabled, IsEnabled, WGC3Denum, WGC3Dboolean)
-
-DELEGATE_TO_GL_1RB(isFramebuffer, IsFramebuffer, WebGLId, WGC3Dboolean)
-
-DELEGATE_TO_GL_1RB(isProgram, IsProgram, WebGLId, WGC3Dboolean)
-
-DELEGATE_TO_GL_1RB(isRenderbuffer, IsRenderbuffer, WebGLId, WGC3Dboolean)
-
-DELEGATE_TO_GL_1RB(isShader, IsShader, WebGLId, WGC3Dboolean)
-
-DELEGATE_TO_GL_1RB(isTexture, IsTexture, WebGLId, WGC3Dboolean)
-
-DELEGATE_TO_GL_1(lineWidth, LineWidth, WGC3Dfloat)
-
-DELEGATE_TO_GL_1(linkProgram, LinkProgram, WebGLId)
-
-DELEGATE_TO_GL_2(pixelStorei, PixelStorei, WGC3Denum, WGC3Dint)
-
-DELEGATE_TO_GL_2(polygonOffset, PolygonOffset, WGC3Dfloat, WGC3Dfloat)
-
-DELEGATE_TO_GL_7(readPixels, ReadPixels,
-                 WGC3Dint, WGC3Dint, WGC3Dsizei, WGC3Dsizei, WGC3Denum,
-                 WGC3Denum, void*)
-
-void WebGraphicsContext3DInProcessCommandBufferImpl::releaseShaderCompiler() {
-  ClearContext();
-}
-
-DELEGATE_TO_GL_4(renderbufferStorage, RenderbufferStorage,
-                 WGC3Denum, WGC3Denum, WGC3Dsizei, WGC3Dsizei)
-
-DELEGATE_TO_GL_2(sampleCoverage, SampleCoverage, WGC3Dfloat, WGC3Dboolean)
-
-DELEGATE_TO_GL_4(scissor, Scissor, WGC3Dint, WGC3Dint, WGC3Dsizei, WGC3Dsizei)
-
-void WebGraphicsContext3DInProcessCommandBufferImpl::shaderSource(
-    WebGLId shader, const WGC3Dchar* string) {
-  ClearContext();
-  GLint length = strlen(string);
-  gl_->ShaderSource(shader, 1, &string, &length);
-}
-
-DELEGATE_TO_GL_3(stencilFunc, StencilFunc, WGC3Denum, WGC3Dint, WGC3Duint)
-
-DELEGATE_TO_GL_4(stencilFuncSeparate, StencilFuncSeparate,
-                 WGC3Denum, WGC3Denum, WGC3Dint, WGC3Duint)
-
-DELEGATE_TO_GL_1(stencilMask, StencilMask, WGC3Duint)
-
-DELEGATE_TO_GL_2(stencilMaskSeparate, StencilMaskSeparate,
-                 WGC3Denum, WGC3Duint)
-
-DELEGATE_TO_GL_3(stencilOp, StencilOp,
-                 WGC3Denum, WGC3Denum, WGC3Denum)
-
-DELEGATE_TO_GL_4(stencilOpSeparate, StencilOpSeparate,
-                 WGC3Denum, WGC3Denum, WGC3Denum, WGC3Denum)
-
-DELEGATE_TO_GL_9(texImage2D, TexImage2D,
-                 WGC3Denum, WGC3Dint, WGC3Denum, WGC3Dsizei, WGC3Dsizei,
-                 WGC3Dint, WGC3Denum, WGC3Denum, const void*)
-
-DELEGATE_TO_GL_3(texParameterf, TexParameterf,
-                 WGC3Denum, WGC3Denum, WGC3Dfloat);
-
-static const unsigned int kTextureWrapR = 0x8072;
-
-void WebGraphicsContext3DInProcessCommandBufferImpl::texParameteri(
-    WGC3Denum target, WGC3Denum pname, WGC3Dint param) {
-  ClearContext();
-  // TODO(kbr): figure out whether the setting of TEXTURE_WRAP_R in
-  // GraphicsContext3D.cpp is strictly necessary to avoid seams at the
-  // edge of cube maps, and, if it is, push it into the GLES2 service
-  // side code.
-  if (pname == kTextureWrapR) {
-    return;
-  }
-  gl_->TexParameteri(target, pname, param);
-}
-
-DELEGATE_TO_GL_9(texSubImage2D, TexSubImage2D,
-                 WGC3Denum, WGC3Dint, WGC3Dint, WGC3Dint, WGC3Dsizei,
-                 WGC3Dsizei, WGC3Denum, WGC3Denum, const void*)
-
-DELEGATE_TO_GL_2(uniform1f, Uniform1f, WGC3Dint, WGC3Dfloat)
-
-DELEGATE_TO_GL_3(uniform1fv, Uniform1fv, WGC3Dint, WGC3Dsizei,
-                 const WGC3Dfloat*)
-
-DELEGATE_TO_GL_2(uniform1i, Uniform1i, WGC3Dint, WGC3Dint)
-
-DELEGATE_TO_GL_3(uniform1iv, Uniform1iv, WGC3Dint, WGC3Dsizei, const WGC3Dint*)
-
-DELEGATE_TO_GL_3(uniform2f, Uniform2f, WGC3Dint, WGC3Dfloat, WGC3Dfloat)
-
-DELEGATE_TO_GL_3(uniform2fv, Uniform2fv, WGC3Dint, WGC3Dsizei,
-                 const WGC3Dfloat*)
-
-DELEGATE_TO_GL_3(uniform2i, Uniform2i, WGC3Dint, WGC3Dint, WGC3Dint)
-
-DELEGATE_TO_GL_3(uniform2iv, Uniform2iv, WGC3Dint, WGC3Dsizei, const WGC3Dint*)
-
-DELEGATE_TO_GL_4(uniform3f, Uniform3f, WGC3Dint,
-                 WGC3Dfloat, WGC3Dfloat, WGC3Dfloat)
-
-DELEGATE_TO_GL_3(uniform3fv, Uniform3fv, WGC3Dint, WGC3Dsizei,
-                 const WGC3Dfloat*)
-
-DELEGATE_TO_GL_4(uniform3i, Uniform3i, WGC3Dint, WGC3Dint, WGC3Dint, WGC3Dint)
-
-DELEGATE_TO_GL_3(uniform3iv, Uniform3iv, WGC3Dint, WGC3Dsizei, const WGC3Dint*)
-
-DELEGATE_TO_GL_5(uniform4f, Uniform4f, WGC3Dint,
-                 WGC3Dfloat, WGC3Dfloat, WGC3Dfloat, WGC3Dfloat)
-
-DELEGATE_TO_GL_3(uniform4fv, Uniform4fv, WGC3Dint, WGC3Dsizei,
-                 const WGC3Dfloat*)
-
-DELEGATE_TO_GL_5(uniform4i, Uniform4i, WGC3Dint,
-                 WGC3Dint, WGC3Dint, WGC3Dint, WGC3Dint)
-
-DELEGATE_TO_GL_3(uniform4iv, Uniform4iv, WGC3Dint, WGC3Dsizei, const WGC3Dint*)
-
-DELEGATE_TO_GL_4(uniformMatrix2fv, UniformMatrix2fv,
-                 WGC3Dint, WGC3Dsizei, WGC3Dboolean, const WGC3Dfloat*)
-
-DELEGATE_TO_GL_4(uniformMatrix3fv, UniformMatrix3fv,
-                 WGC3Dint, WGC3Dsizei, WGC3Dboolean, const WGC3Dfloat*)
-
-DELEGATE_TO_GL_4(uniformMatrix4fv, UniformMatrix4fv,
-                 WGC3Dint, WGC3Dsizei, WGC3Dboolean, const WGC3Dfloat*)
-
-DELEGATE_TO_GL_1(useProgram, UseProgram, WebGLId)
-
-DELEGATE_TO_GL_1(validateProgram, ValidateProgram, WebGLId)
-
-DELEGATE_TO_GL_2(vertexAttrib1f, VertexAttrib1f, WGC3Duint, WGC3Dfloat)
-
-DELEGATE_TO_GL_2(vertexAttrib1fv, VertexAttrib1fv, WGC3Duint,
-                 const WGC3Dfloat*)
-
-DELEGATE_TO_GL_3(vertexAttrib2f, VertexAttrib2f, WGC3Duint,
-                 WGC3Dfloat, WGC3Dfloat)
-
-DELEGATE_TO_GL_2(vertexAttrib2fv, VertexAttrib2fv, WGC3Duint,
-                 const WGC3Dfloat*)
-
-DELEGATE_TO_GL_4(vertexAttrib3f, VertexAttrib3f, WGC3Duint,
-                 WGC3Dfloat, WGC3Dfloat, WGC3Dfloat)
-
-DELEGATE_TO_GL_2(vertexAttrib3fv, VertexAttrib3fv, WGC3Duint,
-                 const WGC3Dfloat*)
-
-DELEGATE_TO_GL_5(vertexAttrib4f, VertexAttrib4f, WGC3Duint,
-                 WGC3Dfloat, WGC3Dfloat, WGC3Dfloat, WGC3Dfloat)
-
-DELEGATE_TO_GL_2(vertexAttrib4fv, VertexAttrib4fv, WGC3Duint,
-                 const WGC3Dfloat*)
-
-void WebGraphicsContext3DInProcessCommandBufferImpl::vertexAttribPointer(
-    WGC3Duint index, WGC3Dint size, WGC3Denum type, WGC3Dboolean normalized,
-    WGC3Dsizei stride, WGC3Dintptr offset) {
-  ClearContext();
-  gl_->VertexAttribPointer(
-      index, size, type, normalized, stride,
-      reinterpret_cast<void*>(static_cast<intptr_t>(offset)));
-}
-
-DELEGATE_TO_GL_4(viewport, Viewport,
-                 WGC3Dint, WGC3Dint, WGC3Dsizei, WGC3Dsizei)
-
-WebGLId WebGraphicsContext3DInProcessCommandBufferImpl::createBuffer() {
-  ClearContext();
-  GLuint o;
-  gl_->GenBuffers(1, &o);
-  return o;
-}
-
-WebGLId WebGraphicsContext3DInProcessCommandBufferImpl::createFramebuffer() {
-  ClearContext();
-  GLuint o = 0;
-  gl_->GenFramebuffers(1, &o);
-  return o;
-}
-
-WebGLId WebGraphicsContext3DInProcessCommandBufferImpl::createProgram() {
-  ClearContext();
-  return gl_->CreateProgram();
-}
-
-WebGLId WebGraphicsContext3DInProcessCommandBufferImpl::createRenderbuffer() {
-  ClearContext();
-  GLuint o;
-  gl_->GenRenderbuffers(1, &o);
-  return o;
-}
-
-DELEGATE_TO_GL_1R(createShader, CreateShader, WGC3Denum, WebGLId);
-
-WebGLId WebGraphicsContext3DInProcessCommandBufferImpl::createTexture() {
-  ClearContext();
-  GLuint o;
-  gl_->GenTextures(1, &o);
-  return o;
-}
-
-void WebGraphicsContext3DInProcessCommandBufferImpl::deleteBuffer(
-    WebGLId buffer) {
-  ClearContext();
-  gl_->DeleteBuffers(1, &buffer);
-}
-
-void WebGraphicsContext3DInProcessCommandBufferImpl::deleteFramebuffer(
-    WebGLId framebuffer) {
-  ClearContext();
-  gl_->DeleteFramebuffers(1, &framebuffer);
-}
-
-void WebGraphicsContext3DInProcessCommandBufferImpl::deleteProgram(
-    WebGLId program) {
-  ClearContext();
-  gl_->DeleteProgram(program);
-}
-
-void WebGraphicsContext3DInProcessCommandBufferImpl::deleteRenderbuffer(
-    WebGLId renderbuffer) {
-  ClearContext();
-  gl_->DeleteRenderbuffers(1, &renderbuffer);
-}
-
-void WebGraphicsContext3DInProcessCommandBufferImpl::deleteShader(
-    WebGLId shader) {
-  ClearContext();
-  gl_->DeleteShader(shader);
-}
-
-void WebGraphicsContext3DInProcessCommandBufferImpl::deleteTexture(
-    WebGLId texture) {
-  ClearContext();
-  gl_->DeleteTextures(1, &texture);
-}
-
-void WebGraphicsContext3DInProcessCommandBufferImpl::copyTextureToCompositor(
-    WebGLId texture, WebGLId parentTexture) {
-  NOTIMPLEMENTED();
-}
-
-void WebGraphicsContext3DInProcessCommandBufferImpl::OnSwapBuffersComplete() {
-}
-
-void WebGraphicsContext3DInProcessCommandBufferImpl::setContextLostCallback(
-    WebGraphicsContext3D::WebGraphicsContextLostCallback* cb) {
-  context_lost_callback_ = cb;
-}
-
-WGC3Denum WebGraphicsContext3DInProcessCommandBufferImpl::
-    getGraphicsResetStatusARB() {
-  return context_lost_reason_;
-}
-
-DELEGATE_TO_GL_5(texImageIOSurface2DCHROMIUM, TexImageIOSurface2DCHROMIUM,
-                 WGC3Denum, WGC3Dint, WGC3Dint, WGC3Duint, WGC3Duint)
-
-DELEGATE_TO_GL_5(texStorage2DEXT, TexStorage2DEXT,
-                 WGC3Denum, WGC3Dint, WGC3Duint, WGC3Dint, WGC3Dint)
-
-WebGLId WebGraphicsContext3DInProcessCommandBufferImpl::createQueryEXT() {
-  GLuint o;
-  gl_->GenQueriesEXT(1, &o);
-  return o;
-}
-
-void WebGraphicsContext3DInProcessCommandBufferImpl::
-    deleteQueryEXT(WebGLId query) {
-  gl_->DeleteQueriesEXT(1, &query);
-}
-
-DELEGATE_TO_GL_1R(isQueryEXT, IsQueryEXT, WebGLId, WGC3Dboolean)
-DELEGATE_TO_GL_2(beginQueryEXT, BeginQueryEXT, WGC3Denum, WebGLId)
-DELEGATE_TO_GL_1(endQueryEXT, EndQueryEXT, WGC3Denum)
-DELEGATE_TO_GL_3(getQueryivEXT, GetQueryivEXT, WGC3Denum, WGC3Denum, WGC3Dint*)
-DELEGATE_TO_GL_3(getQueryObjectuivEXT, GetQueryObjectuivEXT,
-                 WebGLId, WGC3Denum, WGC3Duint*)
-
-DELEGATE_TO_GL_6(copyTextureCHROMIUM, CopyTextureCHROMIUM, WGC3Denum, WGC3Duint,
-                 WGC3Duint, WGC3Dint, WGC3Denum, WGC3Denum)
-
-void WebGraphicsContext3DInProcessCommandBufferImpl::insertEventMarkerEXT(
-    const WGC3Dchar* marker) {
-  gl_->InsertEventMarkerEXT(0, marker);
-}
-
-void WebGraphicsContext3DInProcessCommandBufferImpl::pushGroupMarkerEXT(
-    const WGC3Dchar* marker) {
-  gl_->PushGroupMarkerEXT(0, marker);
-}
-
-DELEGATE_TO_GL(popGroupMarkerEXT, PopGroupMarkerEXT);
-
-DELEGATE_TO_GL_2(bindTexImage2DCHROMIUM, BindTexImage2DCHROMIUM,
-                 WGC3Denum, WGC3Dint)
-DELEGATE_TO_GL_2(releaseTexImage2DCHROMIUM, ReleaseTexImage2DCHROMIUM,
-                 WGC3Denum, WGC3Dint)
-
-void* WebGraphicsContext3DInProcessCommandBufferImpl::mapBufferCHROMIUM(
-    WGC3Denum target, WGC3Denum access) {
-  ClearContext();
-  return gl_->MapBufferCHROMIUM(target, access);
-}
-
-WGC3Dboolean WebGraphicsContext3DInProcessCommandBufferImpl::
-    unmapBufferCHROMIUM(WGC3Denum target) {
-  ClearContext();
-  return gl_->UnmapBufferCHROMIUM(target);
-}
-
-GrGLInterface* WebGraphicsContext3DInProcessCommandBufferImpl::
-    onCreateGrGLInterface() {
-  return CreateCommandBufferSkiaGLBinding();
-}
-
-void WebGraphicsContext3DInProcessCommandBufferImpl::OnContextLost() {
-  // TODO(kbr): improve the precision here.
-  context_lost_reason_ = GL_UNKNOWN_CONTEXT_RESET_ARB;
-  if (context_lost_callback_) {
-    context_lost_callback_->onContextLost();
-  }
-}
-
-DELEGATE_TO_GL_3R(createImageCHROMIUM, CreateImageCHROMIUM,
-                  WGC3Dsizei, WGC3Dsizei, WGC3Denum, WGC3Duint);
-
-DELEGATE_TO_GL_1(destroyImageCHROMIUM, DestroyImageCHROMIUM, WGC3Duint);
-
-DELEGATE_TO_GL_3(getImageParameterivCHROMIUM, GetImageParameterivCHROMIUM,
-                 WGC3Duint, WGC3Denum, GLint*);
-
-DELEGATE_TO_GL_2R(mapImageCHROMIUM, MapImageCHROMIUM,
-                  WGC3Duint, WGC3Denum, void*);
-
-DELEGATE_TO_GL_1(unmapImageCHROMIUM, UnmapImageCHROMIUM, WGC3Duint);
-
-DELEGATE_TO_GL_3(bindUniformLocationCHROMIUM, BindUniformLocationCHROMIUM,
-                 WebGLId, WGC3Dint, const WGC3Dchar*)
-
-DELEGATE_TO_GL(shallowFlushCHROMIUM, ShallowFlushCHROMIUM)
-
-DELEGATE_TO_GL_1(genMailboxCHROMIUM, GenMailboxCHROMIUM, WGC3Dbyte*)
-DELEGATE_TO_GL_2(produceTextureCHROMIUM, ProduceTextureCHROMIUM,
-                 WGC3Denum, const WGC3Dbyte*)
-DELEGATE_TO_GL_2(consumeTextureCHROMIUM, ConsumeTextureCHROMIUM,
-                 WGC3Denum, const WGC3Dbyte*)
-
-DELEGATE_TO_GL_2(drawBuffersEXT, DrawBuffersEXT,
-                 WGC3Dsizei, const WGC3Denum*)
-
-unsigned WebGraphicsContext3DInProcessCommandBufferImpl::insertSyncPoint() {
-  shallowFlushCHROMIUM();
-  return 0;
-}
-
-void WebGraphicsContext3DInProcessCommandBufferImpl::signalSyncPoint(
-    unsigned sync_point,
-    WebGraphicsSyncPointCallback* callback) {
-  // Take ownership of the callback.
-  context_->SetSignalSyncPointCallback(make_scoped_ptr(callback));
-  // Stick something in the command buffer.
-  shallowFlushCHROMIUM();
-}
-
-void WebGraphicsContext3DInProcessCommandBufferImpl::loseContextCHROMIUM(
-    WGC3Denum current, WGC3Denum other) {
-  context_->LoseContext(current, other);
-}
-
-DELEGATE_TO_GL_9(asyncTexImage2DCHROMIUM, AsyncTexImage2DCHROMIUM,
-    WGC3Denum, WGC3Dint, WGC3Denum, WGC3Dsizei, WGC3Dsizei, WGC3Dint,
-    WGC3Denum, WGC3Denum, const void*)
-
-DELEGATE_TO_GL_9(asyncTexSubImage2DCHROMIUM, AsyncTexSubImage2DCHROMIUM,
-    WGC3Denum, WGC3Dint, WGC3Dint, WGC3Dint, WGC3Dsizei, WGC3Dsizei,
-    WGC3Denum, WGC3Denum, const void*)
-
-DELEGATE_TO_GL_1(waitAsyncTexImage2DCHROMIUM, WaitAsyncTexImage2DCHROMIUM,
-    WGC3Denum)
-
-void WebGraphicsContext3DInProcessCommandBufferImpl::SetGpuMemoryBufferCreator(
-    GpuMemoryBufferCreator* creator) {
-  g_gpu_memory_buffer_creator = creator;
-}
-
-}  // namespace gpu
-}  // namespace webkit