[Android] Upstream all the IPC communications/handlings for stream texture

content/common/gpu/gpu_channel.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_GPU_CHANNEL_H_
 #define CONTENT_COMMON_GPU_GPU_CHANNEL_H_
 
 #include <deque>
 #include <string>
 
 #include "base/id_map.h"
 #include "base/memory/ref_counted.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/memory/weak_ptr.h"
 #include "base/process.h"
 #include "build/build_config.h"
 #include "content/common/gpu/gpu_command_buffer_stub.h"
 #include "content/common/gpu/gpu_memory_manager.h"
 #include "content/common/message_router.h"
 #include "ipc/ipc_sync_channel.h"
 #include "ui/gfx/native_widget_types.h"
 #include "ui/gfx/size.h"
 #include "ui/gl/gl_share_group.h"
 #include "ui/gl/gpu_preference.h"
 
+#if defined(OS_ANDROID)
+#include "content/common/android/surface_texture_peer.h"
+#endif
+
 class GpuChannelManager;
 struct GPUCreateCommandBufferConfig;
 class GpuWatchdog;
 
 namespace base {
 class MessageLoopProxy;
 class WaitableEvent;
 }
 
 namespace gpu {
 struct RefCountedCounter;
 }
 
+#if defined(OS_ANDROID)
+namespace content {
+class StreamTextureManagerAndroid;
+}
+#endif
+
 // Encapsulates an IPC channel between the GPU process and one renderer
 // process. On the renderer side there's a corresponding GpuChannelHost.
 class GpuChannel : public IPC::Listener,
                    public IPC::Sender,
                    public base::RefCountedThreadSafe<GpuChannel> {
  public:
   // Takes ownership of the renderer process handle.
   GpuChannel(GpuChannelManager* gpu_channel_manager,
              GpuWatchdog* watchdog,
              gfx::GLShareGroup* share_group,
@@ skipping 77 matching lines @@
 
   void HandleMessage();
 
   // Message handlers.
   void OnCreateOffscreenCommandBuffer(
       const gfx::Size& size,
       const GPUCreateCommandBufferConfig& init_params,
       IPC::Message* reply_message);
   void OnDestroyCommandBuffer(int32 route_id, IPC::Message* reply_message);
 
+#if defined(OS_ANDROID)
+  // Register the StreamTextureProxy class with the gpu process so that all
+  // the callbacks will be correctly forwarded to the renderer.
+  void OnRegisterStreamTextureProxy(
+      int32 stream_id, const gfx::Size& initial_size, int32* route_id);
+
+  // Create a java surface texture object and send it to the renderer process
+  // through binder thread.
+  void OnEstablishStreamTexture(
+      int32 stream_id, content::SurfaceTexturePeer::SurfaceTextureTarget type,
+      int32 primary_id, int32 secondary_id);
+#endif
+
   // The lifetime of objects of this class is managed by a GpuChannelManager.
   // The GpuChannelManager destroy all the GpuChannels that they own when they
   // are destroyed. So a raw pointer is safe.
   GpuChannelManager* gpu_channel_manager_;
 
   scoped_ptr<IPC::SyncChannel> channel_;
 
   // Number of routed messages for pending processing on a stub.
   scoped_refptr<gpu::RefCountedCounter> unprocessed_messages_;
 
@@ skipping 24 matching lines @@
   StubMap stubs_;
 #endif  // defined (ENABLE_GPU)
 
   bool log_messages_;  // True if we should log sent and received messages.
   gpu::gles2::DisallowedFeatures disallowed_features_;
   GpuWatchdog* watchdog_;
   bool software_;
   bool handle_messages_scheduled_;
   bool processed_get_state_fast_;
 
+#if defined(OS_ANDROID)
+  scoped_ptr<content::StreamTextureManagerAndroid> stream_texture_manager_;
+#endif
+
   base::WeakPtrFactory<GpuChannel> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(GpuChannel);
 };
 
 #endif  // CONTENT_COMMON_GPU_GPU_CHANNEL_H_