Implemented CommandBuffer::GetState Graphics3D.

ppapi/proxy/ppb_graphics_3d_proxy.cc

 // 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.
 
 #include "ppapi/proxy/ppb_graphics_3d_proxy.h"
 
 #include "gpu/command_buffer/client/gles2_implementation.h"
 #include "ppapi/c/pp_errors.h"
 #include "ppapi/proxy/enter_proxy.h"
 #include "ppapi/proxy/plugin_dispatcher.h"
@@ skipping 17 matching lines @@
 class CommandBuffer : public gpu::CommandBuffer {
  public:
   CommandBuffer(const HostResource& resource, PluginDispatcher* dispatcher);
   virtual ~CommandBuffer();
 
   // gpu::CommandBuffer implementation:
   virtual bool Initialize(int32 size);
   virtual bool Initialize(base::SharedMemory* buffer, int32 size);
   virtual gpu::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 gpu::Buffer GetTransferBuffer(int32 handle);
   virtual void SetToken(int32 token);
@@ skipping 77 matching lines @@
   if (last_state_.error == gpu::error::kNoError) {
     gpu::CommandBuffer::State state;
     if (Send(new PpapiHostMsg_PPBGraphics3D_GetState(
              INTERFACE_ID_PPB_GRAPHICS_3D, resource_, &state)))
       UpdateState(state);
   }
 
   return last_state_;
 }
 
+gpu::CommandBuffer::State CommandBuffer::GetLastState() {
+  return last_state_;
+}
+
 void CommandBuffer::Flush(int32 put_offset) {
   if (last_state_.error != gpu::error::kNoError)
     return;
 
   IPC::Message* message = new PpapiHostMsg_PPBGraphics3D_AsyncFlush(
       INTERFACE_ID_PPB_GRAPHICS_3D, resource_, put_offset);
 
   // Do not let a synchronous flush hold up this message. If this handler is
   // deferred until after the synchronous flush completes, it will overwrite the
   // cached last_state_ with out-of-date data.
@@ skipping 458 matching lines @@
 void PPB_Graphics3D_Proxy::SendSwapBuffersACKToPlugin(
     int32_t result,
     const HostResource& context) {
   dispatcher()->Send(new PpapiMsg_PPBGraphics3D_SwapBuffersACK(
       INTERFACE_ID_PPB_GRAPHICS_3D, context, result));
 }
 
 }  // namespace proxy
 }  // namespace pp