content/gpu: Simplify gpu channel message handling.

content/common/gpu/gpu_command_buffer_stub.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_COMMAND_BUFFER_STUB_H_
 #define CONTENT_COMMON_GPU_GPU_COMMAND_BUFFER_STUB_H_
 
 #include <deque>
 #include <string>
 #include <vector>
@@ skipping 86 matching lines @@
   // GpuMemoryManagerClient implementation:
   gfx::Size GetSurfaceSize() const override;
   gpu::gles2::MemoryTracker* GetMemoryTracker() const override;
   void SetMemoryAllocation(const gpu::MemoryAllocation& allocation) override;
   void SuggestHaveFrontBuffer(bool suggest_have_frontbuffer) override;
   bool GetTotalGpuMemory(uint64* bytes) override;
 
   // Whether this command buffer can currently handle IPC messages.
   bool IsScheduled();
 
-  // If the command buffer is pre-empted and cannot process commands.
-  bool IsPreempted() const {
-    return scheduler_.get() && scheduler_->IsPreempted();
-  }
-
   // Whether there are commands in the buffer that haven't been processed.
   bool HasUnprocessedCommands();
 
   gpu::gles2::GLES2Decoder* decoder() const { return decoder_.get(); }
   gpu::GpuScheduler* scheduler() const { return scheduler_.get(); }
   GpuChannel* channel() const { return channel_; }
 
   // Identifies the target surface.
   int32 surface_id() const { return surface_id_; }
 
@@ skipping 13 matching lines @@
 
   void SendCachedShader(const std::string& key, const std::string& shader);
 
   gfx::GLSurface* surface() const { return surface_.get(); }
 
   void AddDestructionObserver(DestructionObserver* observer);
   void RemoveDestructionObserver(DestructionObserver* observer);
 
   // Associates a sync point to this stub. When the stub is destroyed, it will
   // retire all sync points that haven't been previously retired.
-  void AddSyncPoint(uint32 sync_point);
+  void AddSyncPoint(uint32 sync_point, bool retire);
 
   void SetPreemptByFlag(scoped_refptr<gpu::PreemptionFlag> flag);
 
   void SetLatencyInfoCallback(const LatencyInfoCallback& callback);
 
   void MarkContextLost();
 
   const gpu::gles2::FeatureInfo* GetFeatureInfo() const;
 
   void SendSwapBuffersCompleted(
@@ skipping 19 matching lines @@
   void OnProduceFrontBuffer(const gpu::Mailbox& mailbox);
   void OnGetState(IPC::Message* reply_message);
   void OnWaitForTokenInRange(int32 start,
                              int32 end,
                              IPC::Message* reply_message);
   void OnWaitForGetOffsetInRange(int32 start,
                                  int32 end,
                                  IPC::Message* reply_message);
   void OnAsyncFlush(int32 put_offset, uint32 flush_count,
                     const std::vector<ui::LatencyInfo>& latency_info);
-  void OnRescheduled();
   void OnRegisterTransferBuffer(int32 id,
                                 base::SharedMemoryHandle transfer_buffer,
                                 uint32 size);
   void OnDestroyTransferBuffer(int32 id);
   void OnGetTransferBuffer(int32 id, IPC::Message* reply_message);
 
   void OnCreateVideoDecoder(media::VideoCodecProfile profile,
                             int32 route_id,
                             IPC::Message* reply_message);
   void OnCreateVideoEncoder(media::VideoPixelFormat input_format,
@@ skipping 102 matching lines @@
   size_t total_gpu_memory_;
   scoped_ptr<WaitForCommandState> wait_for_token_;
   scoped_ptr<WaitForCommandState> wait_for_get_offset_;
 
   DISALLOW_COPY_AND_ASSIGN(GpuCommandBufferStub);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_COMMON_GPU_GPU_COMMAND_BUFFER_STUB_H_