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 66 matching lines @@
       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;
 };
 
+class CONTENT_EXPORT GpuChannelHostGpuBufferFactory {
+ public:
+  typedef base::Callback<void(const gfx::GpuMemoryBufferHandle& handle)>
+      CreateGpuMemoryBufferCallback;
+
+  virtual ~GpuChannelHostGpuBufferFactory() {}
+
+  virtual void CreateGpuMemoryBuffer(
+      size_t width,
+      size_t height,
+      unsigned internalformat,
+      unsigned usage,
+      const gfx::GpuMemoryBufferHandle& handle,
+      const CreateGpuMemoryBufferCallback& callback) = 0;
+  virtual void DeleteGpuMemoryBuffer(const gfx::GpuMemoryBufferHandle& handle,
+                                     int32 sync_point) = 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).
   static scoped_refptr<GpuChannelHost> Create(
       GpuChannelHostFactory* factory,
@@ skipping 147 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_