Implemented new fence syncs which replaces the old sync points.

gpu/gles2_conform_support/egl/display.h

 // Copyright (c) 2012 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 GPU_GLES2_CONFORM_SUPPORT_EGL_DISPLAY_H_
 #define GPU_GLES2_CONFORM_SUPPORT_EGL_DISPLAY_H_
 
 #include <EGL/egl.h>
 
 #include "base/memory/scoped_ptr.h"
@@ skipping 82 matching lines @@
   void RetireSyncPoint(uint32 sync_point) override;
   void SignalSyncPoint(uint32 sync_point,
                        const base::Closure& callback) override;
   void SignalQuery(uint32 query, const base::Closure& callback) override;
   void SetSurfaceVisible(bool visible) override;
   uint32 CreateStreamTexture(uint32 texture_id) override;
   void SetLock(base::Lock*) override;
   bool IsGpuChannelLost() override;
   gpu::CommandBufferNamespace GetNamespaceID() const override;
   uint64_t GetCommandBufferID() const override;
+  uint64_t GenerateFenceSyncRelease() override;
+  bool IsFenceSyncRelease(uint64_t release) override;
+  bool IsFenceSyncFlushed(uint64_t release) override;
 
  private:
   EGLNativeDisplayType display_id_;
 
   bool is_initialized_;
 
 // elg::Display is used for comformance tests and command_buffer_gles.  We only
 // need the exit manager for the command_buffer_gles library.
 // TODO(hendrikw): Find a cleaner solution for this.
 #if defined(COMMAND_BUFFER_GLES_LIB_SUPPORT_ONLY)
   scoped_ptr<base::AtExitManager> exit_manager_;
 #endif  // COMMAND_BUFFER_GLES_LIB_SUPPORT_ONLY
 
   bool create_offscreen_;
   int create_offscreen_width_;
   int create_offscreen_height_;
+  uint64_t next_fence_sync_release_;
 
   scoped_refptr<gpu::TransferBufferManagerInterface> transfer_buffer_manager_;
   scoped_ptr<gpu::CommandBufferService> command_buffer_;
   scoped_ptr<gpu::GpuScheduler> gpu_scheduler_;
   scoped_ptr<gpu::gles2::GLES2Decoder> decoder_;
   scoped_refptr<gfx::GLContext> gl_context_;
   scoped_refptr<gfx::GLSurface> gl_surface_;
   scoped_ptr<gpu::gles2::GLES2CmdHelper> gles2_cmd_helper_;
   scoped_ptr<gpu::TransferBuffer> transfer_buffer_;
 
   // TODO(alokp): Support more than one config, surface, and context.
   scoped_ptr<Config> config_;
   scoped_ptr<Surface> surface_;
   scoped_ptr<gpu::gles2::GLES2Implementation> context_;
 
   DISALLOW_COPY_AND_ASSIGN(Display);
 };
 
 }  // namespace egl
 
 #endif  // GPU_GLES2_CONFORM_SUPPORT_EGL_DISPLAY_H_