gpu: Implement the new fence syncs in mojo command buffer.

components/mus/gles2/command_buffer_driver.h

 // Copyright 2013 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 COMPONENTS_MUS_GLES2_COMMAND_BUFFER_DRIVER_H_
 #define COMPONENTS_MUS_GLES2_COMMAND_BUFFER_DRIVER_H_
 
 #include "base/callback.h"
 #include "base/macros.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/memory/weak_ptr.h"
 #include "base/single_thread_task_runner.h"
 #include "base/timer/timer.h"
 #include "components/mus/public/interfaces/command_buffer.mojom.h"
 #include "gpu/command_buffer/common/constants.h"
 #include "ui/gfx/geometry/size.h"
 
 namespace gpu {
 class CommandBufferService;
 class GpuScheduler;
 class GpuControlService;
+class SyncPointClient;
+class SyncPointOrderData;
 namespace gles2 {
 class GLES2Decoder;
 }
 }
 
 namespace gfx {
 class GLContext;
 class GLSurface;
 }
 
@@ skipping 46 matching lines @@
   bool OnWaitSyncPoint(uint32_t sync_point);
   void OnFenceSyncRelease(uint64_t release);
   bool OnWaitFenceSync(gpu::CommandBufferNamespace namespace_id,
                        uint64_t command_buffer_id,
                        uint64_t release);
   void OnSyncPointRetired();
   void OnParseError();
   void OnContextLost(uint32_t reason);
   void DestroyDecoder();
 
+  const uint64_t command_buffer_id_;
   scoped_ptr<Client> client_;
   mojom::CommandBufferSyncClientPtr sync_client_;
   mojom::CommandBufferLostContextObserverPtr loss_observer_;
   scoped_ptr<gpu::CommandBufferService> command_buffer_;
   scoped_ptr<gpu::gles2::GLES2Decoder> decoder_;
   scoped_ptr<gpu::GpuScheduler> scheduler_;
+  scoped_refptr<gpu::SyncPointOrderData> sync_point_order_data_;

[David Yen, 2015/11/20 00:47:14]

This would make it depend on the other CL, but the sync point order data
probably needs to be assigned in the command task runner since that is the
central location of queuing the tasks.

[Peng, 2015/11/20 20:32:15]

Done.

+  scoped_ptr<gpu::SyncPointClient> sync_point_client_;
   scoped_refptr<gfx::GLContext> context_;
   scoped_refptr<gfx::GLSurface> surface_;
   scoped_refptr<GpuState> gpu_state_;
 
   scoped_refptr<base::SingleThreadTaskRunner> context_lost_task_runner_;
   base::Callback<void(int32_t)> context_lost_callback_;
 
   base::WeakPtrFactory<CommandBufferDriver> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(CommandBufferDriver);
 };
 
 }  // namespace mus
 
 #endif  // COMPONENTS_GLES2_COMMAND_BUFFER_DRIVER_H_