Android WebView Merged-Thread Hardware Draw

content/renderer/android/synchronous_compositor_output_surface.h

 // Copyright (c) 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 CONTENT_RENDERER_ANDROID_SYNCHRONOUS_COMPOSITOR_OUTPUT_SURFACE_H_
 #define CONTENT_RENDERER_ANDOIRD_SYNCHRONOUS_COMPOSITOR_OUTPUT_SURFACE_H_
 
 #include "base/basictypes.h"
 #include "base/compiler_specific.h"
 #include "base/memory/scoped_ptr.h"
@@ skipping 10 matching lines @@
 // of control" - enabling drawing to be  orchestrated by the embedding
 // layer, instead of driven by the compositor internals - hence it holds two
 // 'client' pointers (including |client_| in the OutputSurface baseclass) which
 // represent the consumers of the two roles in plays.
 // This class can be created only on the main thread, but then becomes pinned
 // to a fixed thread when BindToClient is called.
 class SynchronousCompositorOutputSurface
     : NON_EXPORTED_BASE(public cc::OutputSurface),
       NON_EXPORTED_BASE(public SynchronousCompositor) {
  public:
-  SynchronousCompositorOutputSurface(
-      int32 routing_id,
-      WebGraphicsContext3DCommandBufferImpl* context);
+  explicit SynchronousCompositorOutputSurface(int32 routing_id);
   virtual ~SynchronousCompositorOutputSurface();
 
   // OutputSurface.
   virtual bool BindToClient(cc::OutputSurfaceClient* surface_client) OVERRIDE;
+  virtual void Reshape(gfx::Size size) OVERRIDE;
   virtual void SendFrameToParentCompositor(cc::CompositorFrame* frame) OVERRIDE;
+  virtual void EnableVSyncNotification(bool enable_vsync) OVERRIDE;
+  virtual void SwapBuffers(const cc::LatencyInfo& info) OVERRIDE;
 
   // SynchronousCompositor.
   virtual void SetClient(SynchronousCompositorClient* compositor_client)
       OVERRIDE;
   virtual bool DemandDrawSw(SkCanvas* canvas) OVERRIDE;
+  virtual bool DemandDrawHw(
+      gfx::Size view_size,
+      const gfx::Transform& transform,
+      gfx::Rect clip) OVERRIDE;
 
  private:
+  void UpdateCompositorClientSettings();
   bool CalledOnValidThread() const;
 
   SynchronousCompositorClient* compositor_client_;
   int routing_id_;
+  bool vsync_enabled_;
+  bool did_swap_buffer_;
 
   DISALLOW_COPY_AND_ASSIGN(SynchronousCompositorOutputSurface);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_RENDERER_ANDROID_SYNCHRONOUS_COMPOSITOR_OUTPUT_SURFACE_H_