Add multi-process GpuMemoryBuffer framework.

content/common/gpu/client/webgraphicscontext3d_command_buffer_impl.cc

 // 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 "content/common/gpu/client/webgraphicscontext3d_command_buffer_impl.h"
 
 #include "third_party/khronos/GLES2/gl2.h"
 #ifndef GL_GLEXT_PROTOTYPES
 #define GL_GLEXT_PROTOTYPES 1
 #endif
@@ skipping 1520 matching lines @@
     WGC3Dintptr offset,
     WGC3Dsizei primcount) {
   gl_->DrawElementsInstancedANGLE(
       mode, count, type,
       reinterpret_cast<void*>(static_cast<intptr_t>(offset)), primcount);
 }
 
 DELEGATE_TO_GL_2(vertexAttribDivisorANGLE, VertexAttribDivisorANGLE, WGC3Duint,
                  WGC3Duint)
 
+WGC3Duint WebGraphicsContext3DCommandBufferImpl::createImageCHROMIUM(
+    WGC3Dsizei width, WGC3Dsizei height, WGC3Denum internalformat) {
+  return gl_->CreateImageCHROMIUM(width, height, internalformat);
+}

[piman, 2013/10/21 21:57:00]

nit: DELEGATE_TO_GL_3R should work, right?

[reveman, 2013/10/22 16:26:11]

There was no DELEGATE_TO_GL_3R macro before this but I added it to latest patch
as we already have a DELEGATE_TO_GL_4R macro.

+
+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);
+
 GrGLInterface* WebGraphicsContext3DCommandBufferImpl::createGrGLInterface() {
   return webkit::gpu::CreateCommandBufferSkiaGLBinding();
 }
 
 namespace {
 
 WGC3Denum convertReason(gpu::error::ContextLostReason reason) {
   switch (reason) {
   case gpu::error::kGuilty:
     return GL_GUILTY_CONTEXT_RESET_ARB;
@@ skipping 23 matching lines @@
 
 void WebGraphicsContext3DCommandBufferImpl::OnErrorMessage(
     const std::string& message, int id) {
   if (error_message_callback_) {
     WebKit::WebString str = WebKit::WebString::fromUTF8(message.c_str());
     error_message_callback_->onErrorMessage(str, id);
   }
 }
 
 }  // namespace content