Plumb GpuMemoryBuffer allocation to GPU process.

content/common/gpu/client/gpu_channel_host.h

 // 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.
 
 #ifndef CONTENT_COMMON_GPU_CLIENT_GPU_CHANNEL_HOST_H_
 #define CONTENT_COMMON_GPU_CLIENT_GPU_CHANNEL_HOST_H_
 
 #include <string>
 #include <vector>
 
@@ skipping 44 matching lines @@
   ~GpuListenerInfo();
 
   base::WeakPtr<IPC::Listener> listener;
   scoped_refptr<base::MessageLoopProxy> loop;
 };
 
 class CONTENT_EXPORT GpuChannelHostFactory {
  public:
   typedef base::Callback<void(const gfx::Size)> CreateImageCallback;
 
+  typedef base::Callback<void(const gfx::GpuMemoryBufferHandle& handle)>
+      AllocateGpuMemoryBufferCallback;
+
   virtual ~GpuChannelHostFactory() {}
 
   virtual bool IsMainThread() = 0;
   virtual base::MessageLoop* GetMainLoop() = 0;
   virtual scoped_refptr<base::MessageLoopProxy> GetIOLoopProxy() = 0;
   virtual scoped_ptr<base::SharedMemory> AllocateSharedMemory(size_t size) = 0;
   virtual bool CreateViewCommandBuffer(
       int32 surface_id,
       const GPUCreateCommandBufferConfig& init_params,
       int32 route_id) = 0;
   virtual void CreateImage(
       gfx::PluginWindowHandle window,
       int32 image_id,
       const CreateImageCallback& callback) = 0;
   virtual void DeleteImage(int32 image_id, int32 sync_point) = 0;
   virtual scoped_ptr<gfx::GpuMemoryBuffer> AllocateGpuMemoryBuffer(
       size_t width,
       size_t height,
       unsigned internalformat,
       unsigned usage) = 0;
+  virtual void AllocateGpuMemoryBufferAsync(
+      const gfx::GpuMemoryBufferParams& params,
+      const AllocateGpuMemoryBufferCallback& callback) = 0;
 };
 
 // Encapsulates an IPC channel between the client and one GPU process.
 // On the GPU process side there's a corresponding GpuChannel.
 // Every method can be called on any thread with a message loop, except for the
 // IO thread.
 class GpuChannelHost : public IPC::Sender,
                        public base::RefCountedThreadSafe<GpuChannelHost> {
  public:
   // Must be called on the main thread (as defined by the factory).
@@ skipping 149 matching lines @@
   // Used to look up a proxy from its routing id.
   typedef base::hash_map<int, CommandBufferProxyImpl*> ProxyMap;
   ProxyMap proxies_;
 
   DISALLOW_COPY_AND_ASSIGN(GpuChannelHost);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_COMMON_GPU_CLIENT_GPU_CHANNEL_HOST_H_