OnDrawHardware() implementation with async messages

content/renderer/android/synchronous_compositor_proxy.h

 // Copyright 2015 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 CONTENT_RENDERER_ANDROID_SYNCHRONOUS_COMPOSITOR_PROXY_H_
 #define CONTENT_RENDERER_ANDROID_SYNCHRONOUS_COMPOSITOR_PROXY_H_
 
 #include <stddef.h>
 #include <stdint.h>
 
@@ skipping 55 matching lines @@
   void SetOutputSurface(SynchronousCompositorOutputSurface* output_surface);
   void OnMessageReceived(const IPC::Message& message);
   bool Send(IPC::Message* message);
   void PopulateCommonParams(SyncCompositorCommonRendererParams* params) const;
 
  private:
   struct SharedMemoryWithSize;
 
   // IPC handlers.
   void OnComputeScroll(base::TimeTicks animation_time);
+  void DemandDrawHw_Async(const SyncCompositorDemandDrawHwParams& params);

[boliu, 2016/08/11 19:23:40]

drop the underscore on all these new methods

[ojars, 2016/08/23 02:15:42]

Done.

   void DemandDrawHw(const SyncCompositorDemandDrawHwParams& params,
                     IPC::Message* reply_message);
   void SetSharedMemory(
       const SyncCompositorSetSharedMemoryParams& params,
       bool* success,
       SyncCompositorCommonRendererParams* common_renderer_params);
   void ZeroSharedMemory();
   void DemandDrawSw(const SyncCompositorDemandDrawSwParams& params,
                     IPC::Message* reply_message);
   void SynchronouslyZoomBy(
       float zoom_delta,
       const gfx::Point& anchor,
       SyncCompositorCommonRendererParams* common_renderer_params);
   void SetScroll(const gfx::ScrollOffset& total_scroll_offset);
 
+  void SwapBuffersHw_Async(uint32_t output_surface_id,
+                           cc::CompositorFrame frame);
   void SwapBuffersHw(uint32_t output_surface_id, cc::CompositorFrame frame);
   void SendDemandDrawHwReply(cc::CompositorFrame frame,
                              uint32_t output_surface_id,
                              IPC::Message* reply_message);
+  void SendDemandDrawHwReply_Async(cc::CompositorFrame frame,
+                                   uint32_t output_surface_id);
   void DoDemandDrawSw(const SyncCompositorDemandDrawSwParams& params);
   void SwapBuffersSw(cc::CompositorFrame frame);
   void SendDemandDrawSwReply(bool success,
                              cc::CompositorFrame frame,
                              IPC::Message* reply_message);
   void SendAsyncRendererStateIfNeeded();
 
   const int routing_id_;
   IPC::Sender* const sender_;
   ui::SynchronousInputHandlerProxy* const input_handler_proxy_;
   const bool use_in_process_zero_copy_software_draw_;
   SynchronousCompositorOutputSurface* output_surface_;
   bool inside_receive_;
   IPC::Message* hardware_draw_reply_;
   IPC::Message* software_draw_reply_;
+  bool hardware_draw_reply_async_;
 
   // From browser.
   std::unique_ptr<SharedMemoryWithSize> software_draw_shm_;
 
   // To browser.
   mutable uint32_t version_;  // Mustable so PopulateCommonParams can be const.
   gfx::ScrollOffset total_scroll_offset_;  // Modified by both.
   gfx::ScrollOffset max_scroll_offset_;
   gfx::SizeF scrollable_size_;
   float page_scale_factor_;
   float min_page_scale_factor_;
   float max_page_scale_factor_;
   bool need_animate_scroll_;
   uint32_t need_invalidate_count_;
   uint32_t did_activate_pending_tree_count_;
 
   DISALLOW_COPY_AND_ASSIGN(SynchronousCompositorProxy);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_RENDERER_ANDROID_SYNCHRONOUS_COMPOSITOR_PROXY_H_