Splits the command buffers into common commands...

command_buffer/service/cross/gapi_decoder.h

 /*
  * Copyright 2009, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
@@ skipping 18 matching lines @@
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
 
 // This file contains the GAPI decoder class.
 
 #ifndef O3D_COMMAND_BUFFER_SERVICE_CROSS_GAPI_DECODER_H_
 #define O3D_COMMAND_BUFFER_SERVICE_CROSS_GAPI_DECODER_H_
 
 #include "core/cross/types.h"
-#include "command_buffer/service/cross/cmd_parser.h"
+#include "command_buffer/service/cross/common_decoder.h"
 #include "command_buffer/common/cross/o3d_cmd_format.h"
 
 namespace o3d {
 namespace command_buffer {
-
-class CommandBufferEngine;
-
 namespace o3d {
 
 class GAPIInterface;
 
 // This class implements the AsyncAPIInterface interface, decoding GAPI
 // commands and sending them to a GAPI interface.
-class GAPIDecoder : public AsyncAPIInterface {
+class GAPIDecoder : public CommonDecoder {
  public:
   typedef parse_error::ParseError ParseError;
 
-  explicit GAPIDecoder(GAPIInterface *gapi) : gapi_(gapi), engine_(NULL) {}
+  explicit GAPIDecoder(GAPIInterface *gapi) : gapi_(gapi) {}
   virtual ~GAPIDecoder() {}
 
   // Overridden from AsyncAPIInterface.
   virtual ParseError DoCommand(unsigned int command,
                                unsigned int arg_count,
                                const void* args);
 
-  // Sets the engine, to get shared memory buffers from, and to set the token
-  // to.
-  void set_engine(CommandBufferEngine *engine) { engine_ = engine; }
+  // Overridden from AsyncAPIInterface.
+  virtual const char* GetCommandName(unsigned int command_id) const;
+
  private:
-  // Gets the address of shared memory data, given a shared memory ID and an
-  // offset. Also checks that the size is consistent with the shared memory
-  // size.
-  // Parameters:
-  //   shm_id: the id of the shared memory buffer.
-  //   offset: the offset of the data in the shared memory buffer.
-  //   size: the size of the data.
-  // Returns:
-  //   NULL if shm_id isn't a valid shared memory buffer ID or if the size
-  //   check fails. Return a pointer to the data otherwise.
-  void *GetAddressAndCheckSize(unsigned int shm_id,
-                               unsigned int offset,
-                               unsigned int size);
-
   // Generate a member function prototype for each command in an automated and
   // typesafe way.
   #define O3D_COMMAND_BUFFER_CMD_OP(name) \
      ParseError Handle ## name(           \
        unsigned int arg_count,            \
        const o3d::name& args);            \
 
   O3D_COMMAND_BUFFER_CMDS(O3D_COMMAND_BUFFER_CMD_OP)
 
   #undef O3D_COMMAND_BUFFER_CMD_OP
 
   GAPIInterface *gapi_;
-  CommandBufferEngine *engine_;
 };
 
 }  // namespace o3d
 }  // namespace command_buffer
 }  // namespace o3d
 
 #endif  // O3D_COMMAND_BUFFER_SERVICE_CROSS_GAPI_DECODER_H_