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 * copyright notice, this list of conditions and the following disclaimer
 * in the documentation and/or other materials provided with the
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 * this software without specific prior written permission.
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// This file defines the CommandBufferEngine class, providing the main loop for
// the service, exposing the RPC API, managing the command parser.

#ifndef GPU_COMMAND_BUFFER_SERVICE_CROSS_CMD_BUFFER_ENGINE_H_
#define GPU_COMMAND_BUFFER_SERVICE_CROSS_CMD_BUFFER_ENGINE_H_

#include "base/basictypes.h"

namespace command_buffer {

class CommandBufferEngine {
 public:
  CommandBufferEngine() {
  }

  virtual ~CommandBufferEngine() {
  }

  // Gets the base address of a registered shared memory buffer.
  // Parameters:
  //   shm_id: the identifier for the shared memory buffer.
  virtual void *GetSharedMemoryAddress(int32 shm_id) = 0;

  // Gets the size of a registered shared memory buffer.
  // Parameters:
  //   shm_id: the identifier for the shared memory buffer.
  virtual size_t GetSharedMemorySize(int32 shm_id) = 0;

  // Sets the token value.
  virtual void set_token(int32 token) = 0;

 private:
  DISALLOW_COPY_AND_ASSIGN(CommandBufferEngine);
};

}  // namespace command_buffer

#endif  // GPU_COMMAND_BUFFER_SERVICE_CROSS_CMD_BUFFER_ENGINE_H_