Plumb the partial swap though image transport.

content/common/gpu/image_transport_surface.h

 // 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.
 
 #ifndef CONTENT_COMMON_GPU_IMAGE_TRANSPORT_SURFACE_H_
 #define CONTENT_COMMON_GPU_IMAGE_TRANSPORT_SURFACE_H_
 #pragma once
 
 #if defined(ENABLE_GPU)
 
 #include "base/callback.h"
 #include "base/memory/ref_counted.h"
 #include "base/memory/scoped_ptr.h"
 #include "ipc/ipc_channel.h"
 #include "ipc/ipc_message.h"
 #include "ui/gfx/gl/gl_surface.h"
 #include "ui/gfx/size.h"
 #include "ui/gfx/native_widget_types.h"
 #include "ui/gfx/surface/transport_dib.h"
 
 class GpuChannelManager;
 
 struct GpuHostMsg_AcceleratedSurfaceNew_Params;
 struct GpuHostMsg_AcceleratedSurfaceBuffersSwapped_Params;
+struct GpuHostMsg_AcceleratedSurfacePostSubBuffer_Params;
 struct GpuHostMsg_AcceleratedSurfaceRelease_Params;
 
 namespace gfx {
 class GLSurface;
 }
 
 namespace gpu {
 class GpuScheduler;
 
 namespace gles2 {
@@ skipping 15 matching lines @@
 // allowing the ImageTransportSurface to send events to the outside world.
 
 class ImageTransportSurface {
  public:
   ImageTransportSurface();
   virtual ~ImageTransportSurface();
 
   virtual void OnNewSurfaceACK(
       uint64 surface_id, TransportDIB::Handle surface_handle) = 0;
   virtual void OnBuffersSwappedACK() = 0;
+  virtual void OnPostSubBufferACK() = 0;
   virtual void OnResizeViewACK() = 0;
   virtual void OnResize(gfx::Size size) = 0;
 
   // Creates the appropriate surface depending on the GL implementation.
   static scoped_refptr<gfx::GLSurface>
       CreateSurface(GpuChannelManager* manager,
                     int32 render_view_id,
                     int32 renderer_id,
                     int32 command_buffer_id,
                     gfx::PluginWindowHandle handle);
@@ skipping 17 matching lines @@
 
   // IPC::Channel::Listener implementation:
   virtual bool OnMessageReceived(const IPC::Message& message) OVERRIDE;
 
   // Helper send functions. Caller fills in the surface specific params
   // like size and surface id. The helper fills in the rest.
   void SendAcceleratedSurfaceNew(
       GpuHostMsg_AcceleratedSurfaceNew_Params params);
   void SendAcceleratedSurfaceBuffersSwapped(
       GpuHostMsg_AcceleratedSurfaceBuffersSwapped_Params params);
+  void SendAcceleratedSurfacePostSubBuffer(
+      GpuHostMsg_AcceleratedSurfacePostSubBuffer_Params params);
   void SendAcceleratedSurfaceRelease(
       GpuHostMsg_AcceleratedSurfaceRelease_Params params);
   void SendResizeView(const gfx::Size& size);
 
   // Whether or not we should execute more commands.
   void SetScheduled(bool is_scheduled);
 
   void DeferToFence(base::Closure task);
 
   // Make the surface's context current.
   bool MakeCurrent();
 
  private:
   gpu::GpuScheduler* Scheduler();
   gpu::gles2::GLES2Decoder* Decoder();
 
   // IPC::Message handlers.
   void OnNewSurfaceACK(uint64 surface_id, TransportDIB::Handle surface_handle);
   void OnBuffersSwappedACK();
+  void OnPostSubBufferACK();
   void OnResizeViewACK();
 
   // Backbuffer resize callback.
   void Resize(gfx::Size size);
 
   // Set the default swap interval on the surface.
   void SetSwapInterval();
 
   // Weak pointers that point to objects that outlive this helper.
   ImageTransportSurface* surface_;
@@ skipping 22 matching lines @@
   virtual ~PassThroughImageTransportSurface();
 
   // GLSurface implementation.
   virtual bool Initialize();
   virtual void Destroy();
 
   // ImageTransportSurface implementation.
   virtual void OnNewSurfaceACK(
       uint64 surface_id, TransportDIB::Handle surface_handle) OVERRIDE;
   virtual void OnBuffersSwappedACK() OVERRIDE;
+  virtual void OnPostSubBufferACK() OVERRIDE;
   virtual void OnResizeViewACK() OVERRIDE;
   virtual void OnResize(gfx::Size size) OVERRIDE;
 
  private:
   scoped_ptr<ImageTransportHelper> helper_;
 
   DISALLOW_COPY_AND_ASSIGN(PassThroughImageTransportSurface);
 };
 
 #endif  // defined(ENABLE_GPU)
 
 #endif  // CONTENT_COMMON_GPU_IMAGE_TRANSPORT_SURFACE_H_