Execute all GL commands up to the put offset reported by a flush.

gpu/command_buffer/service/command_buffer_service.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.
 
 #ifndef GPU_COMMAND_BUFFER_SERVICE_COMMAND_BUFFER_SERVICE_H_
 #define GPU_COMMAND_BUFFER_SERVICE_COMMAND_BUFFER_SERVICE_H_
 
 #include <set>
 #include <vector>
 
@@ skipping 11 matching lines @@
 class CommandBufferService : public CommandBuffer {
  public:
   CommandBufferService();
   virtual ~CommandBufferService();
 
   // CommandBuffer implementation:
   virtual bool Initialize(int32 size);
   virtual bool Initialize(base::SharedMemory* buffer, int32 size);
   virtual Buffer GetRingBuffer();
   virtual State GetState();
+  virtual State GetLastState();
   virtual void Flush(int32 put_offset);
   virtual State FlushSync(int32 put_offset, int32 last_known_get);
   virtual void SetGetOffset(int32 get_offset);
   virtual int32 CreateTransferBuffer(size_t size, int32 id_request);
   virtual int32 RegisterTransferBuffer(base::SharedMemory* shared_memory,
                                        size_t size,
                                        int32 id_request);
   virtual void DestroyTransferBuffer(int32 id);
   virtual Buffer GetTransferBuffer(int32 handle);
   virtual void SetToken(int32 token);
   virtual void SetParseError(error::Error error);
 
   // Sets a callback that is called whenever the put offset is changed. When
   // called with sync==true, the callback must not return until some progress
   // has been made (unless the command buffer is empty), i.e. the get offset
   // must have changed. It need not process the entire command buffer though.
   // This allows concurrency between the writer and the reader while giving the
   // writer a means of waiting for the reader to make some progress before
   // attempting to write more to the command buffer. Takes ownership of
   // callback.
-  virtual void SetPutOffsetChangeCallback(Callback1<bool>::Type* callback);
+  virtual void SetPutOffsetChangeCallback(Callback0::Type* callback);
   virtual void SetParseErrorCallback(Callback0::Type* callback);
 
  private:
   Buffer ring_buffer_;
   int32 num_entries_;
   int32 get_offset_;
   int32 put_offset_;
-  scoped_ptr<Callback1<bool>::Type> put_offset_change_callback_;
+  scoped_ptr<Callback0::Type> put_offset_change_callback_;
   scoped_ptr<Callback0::Type> parse_error_callback_;
   std::vector<Buffer> registered_objects_;
   std::set<int32> unused_registered_object_elements_;
   int32 token_;
   uint32 generation_;
   error::Error error_;
 };
 
 }  // namespace gpu
 
 #endif  // GPU_COMMAND_BUFFER_SERVICE_COMMAND_BUFFER_SERVICE_H_