gpu: Refactor GpuMemoryBuffer framework for multi-process support.

gpu/command_buffer/service/cmd_buffer_engine.h

 // Copyright (c) 2011 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.
 
 // This file defines the CommandBufferEngine class, providing the main loop for
 // the service, exposing the RPC API, managing the command parser.
 
 #ifndef GPU_COMMAND_BUFFER_SERVICE_CMD_BUFFER_ENGINE_H_
 #define GPU_COMMAND_BUFFER_SERVICE_CMD_BUFFER_ENGINE_H_
 
 #include "base/basictypes.h"
 #include "gpu/command_buffer/common/buffer.h"
 
+namespace gfx {
+class GLImage;
+}
+
 namespace gpu {
 
 class CommandBufferEngine {
  public:
   CommandBufferEngine() {
   }
 
   virtual ~CommandBufferEngine() {
   }
 
   // Gets the base address and size of a registered shared memory buffer.
   // Parameters:
   //   shm_id: the identifier for the shared memory buffer.
   virtual Buffer GetSharedMemoryBuffer(int32 shm_id) = 0;
 
   // Sets the token value.
   virtual void set_token(int32 token) = 0;
 
   // Sets the shared memory buffer used for commands.
   virtual bool SetGetBuffer(int32 transfer_buffer_id) = 0;
 
   // Sets the "get" pointer. Return false if offset is out of range.
   virtual bool SetGetOffset(int32 offset) = 0;
 
   // Gets the "get" pointer.
   virtual int32 GetGetOffset() = 0;
 
+  // Gets the image associated with a registered image ID.
+  virtual gfx::GLImage* GetImage(int32 image_id) = 0;

[piman, 2013/08/01 21:19:30]

Same comment here - I think this is exposed at a too low level.

[reveman, 2013/08/08 23:19:00]

Removed it.

+
  private:
   DISALLOW_COPY_AND_ASSIGN(CommandBufferEngine);
 };
 
 }  // namespace gpu
 
 #endif  // GPU_COMMAND_BUFFER_SERVICE_CMD_BUFFER_ENGINE_H_