Calling OpenGL from the renderer process.

chrome/gpu/gpu_command_buffer_stub.h

 // Copyright (c) 2010 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.
 
 #ifndef CHROME_GPU_GPU_COMMAND_BUFFER_STUB_H_
 #define CHROME_GPU_GPU_COMMAND_BUFFER_STUB_H_
 
 #if defined(ENABLE_GPU)
 
 #include "base/process.h"
 #include "base/ref_counted.h"
 #include "gfx/native_widget_types.h"
+#include "gfx/size.h"
 #include "gpu/command_buffer/service/command_buffer_service.h"
 #include "gpu/command_buffer/service/gpu_processor.h"
 #include "ipc/ipc_channel.h"
 #include "ipc/ipc_message.h"
 
 class GpuChannel;
 
 class GpuCommandBufferStub
     : public IPC::Channel::Listener,
       public IPC::Message::Sender,
       public base::RefCountedThreadSafe<GpuCommandBufferStub> {
  public:
   GpuCommandBufferStub(GpuChannel* channel,
+                       gfx::NativeView view,
+                       GpuCommandBufferStub* parent,
+                       const gfx::Size& size,
+                       uint32 parent_texture_id,
                        int32 route_id);
 
   virtual ~GpuCommandBufferStub();
 
   // IPC::Channel::Listener implementation:
   virtual void OnMessageReceived(const IPC::Message& message);
 
   // IPC::Message::Sender implementation:
   virtual bool Send(IPC::Message* msg);
 
-  int route_id() const { return route_id_; }
+  int32 route_id() const { return route_id_; }
 
  private:
   // Message handlers:
   void OnInitialize(int32 size, base::SharedMemoryHandle* ring_buffer);
   void OnGetState(gpu::CommandBuffer::State* state);
   void OnAsyncGetState();
   void OnFlush(int32 put_offset, gpu::CommandBuffer::State* state);
   void OnAsyncFlush(int32 put_offset);
   void OnCreateTransferBuffer(int32 size, int32* id);
   void OnDestroyTransferBuffer(int32 id);
   void OnGetTransferBuffer(int32 id,
                            base::SharedMemoryHandle* transfer_buffer,
                            uint32* size);
+  void OnResizeOffscreenFrameBuffer(const gfx::Size& size);
 
   scoped_refptr<GpuChannel> channel_;
-  int route_id_;
+  gfx::NativeView view_;
+  scoped_refptr<GpuCommandBufferStub> parent_;
+  gfx::Size initial_size_;
+  uint32 parent_texture_id_;
+  int32 route_id_;
 
   scoped_ptr<gpu::CommandBufferService> command_buffer_;
-  scoped_refptr<gpu::GPUProcessor> processor_;
+  scoped_ptr<gpu::GPUProcessor> processor_;
 
   DISALLOW_COPY_AND_ASSIGN(GpuCommandBufferStub);
 };
 
 #endif  // ENABLE_GPU
 
 #endif  // CHROME_GPU_GPU_COMMAND_BUFFER_STUB_H_