gpu: Reuse transfer buffers more aggresively

gpu/command_buffer/service/command_buffer_service.h

Index: gpu/command_buffer/service/command_buffer_service.h
diff --git a/gpu/command_buffer/service/command_buffer_service.h b/gpu/command_buffer/service/command_buffer_service.h
index b1f8fa15fea6a2d3da4a9681f8dad587a01d6c35..7a04d6f165ebdf42dded5f103abb244900bb77e7 100644
--- a/gpu/command_buffer/service/command_buffer_service.h
+++ b/gpu/command_buffer/service/command_buffer_service.h
@@ -7,6 +7,7 @@
 
 #include "base/callback.h"
 #include "base/memory/shared_memory.h"
+#include "base/synchronization/lock.h"

[piman, 2014/02/07 22:58:20]

You don't need this, or the other changes in this file any more.

[jadahl, 2014/02/08 09:18:25]

Oops. Left them here unintentionally.

 #include "gpu/command_buffer/common/command_buffer.h"
 #include "gpu/command_buffer/common/command_buffer_shared.h"
 
@@ -67,6 +68,8 @@ class GPU_EXPORT CommandBufferService : public CommandBuffer {
                               size_t size);
 
  private:
+  State GetStateImpl();
+
   int32 ring_buffer_id_;
   Buffer ring_buffer_;
   scoped_ptr<base::SharedMemory> shared_state_shm_;
@@ -79,9 +82,11 @@ class GPU_EXPORT CommandBufferService : public CommandBuffer {
   base::Closure parse_error_callback_;
   TransferBufferManagerInterface* transfer_buffer_manager_;
   int32 token_;
+  uint32 async_token_;
   uint32 generation_;
   error::Error error_;
   error::ContextLostReason context_lost_reason_;
+  base::Lock lock_;
 
   DISALLOW_COPY_AND_ASSIGN(CommandBufferService);
 };