Delay UpdateRect until the SwapBuffers callback when accelerated compositing is on.

content/browser/renderer_host/render_widget_host_view_win.cc

 // 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.
 
 #include "content/browser/renderer_host/render_widget_host_view_win.h"
 
 #include <algorithm>
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
@@ skipping 180 matching lines @@
       case WM_MBUTTONDOWN:
         ::SendMessage(GetParent(window), message, wparam, lparam);
         return 0;
       default:
         break;
     }
   }
   return ::DefWindowProc(window, message, wparam, lparam);
 }
 
-void SendToGpuProcessHost(int gpu_host_id, IPC::Message* message) {
-  GpuProcessHost* gpu_process_host = GpuProcessHost::FromID(gpu_host_id);
-  if (!gpu_process_host) {
-    delete message;
-    return;
-  }
-
-  gpu_process_host->Send(message);
-}
-
-void PostTaskOnIOThread(const tracked_objects::Location& from_here,
-                        base::Closure task) {
-  BrowserThread::PostTask(BrowserThread::IO, FROM_HERE, task);
-}
-
 bool DecodeZoomGesture(HWND hwnd, const GESTUREINFO& gi,
                        content::PageZoom* zoom,
                        POINT* zoom_center) {
   static long start = 0;
   static POINT zoom_first;
 
   if (gi.dwFlags == GF_BEGIN) {
     start = gi.ullArguments;
     zoom_first.x = gi.ptsLocation.x;
     zoom_first.y = gi.ptsLocation.y;
@@ skipping 1847 matching lines @@
           SWP_NOSIZE | SWP_NOMOVE | SWP_NOACTIVATE);
     }
   } else {
     hide_compositor_window_at_next_paint_ = true;
   }
 }
 
 void RenderWidgetHostViewWin::AcceleratedSurfaceBuffersSwapped(
     const GpuHostMsg_AcceleratedSurfaceBuffersSwapped_Params& params,
     int gpu_host_id) {
-  if (!accelerated_surface_.get() && compositor_host_window_) {
-    accelerated_surface_ = new AcceleratedSurface(compositor_host_window_);
-    accelerated_surface_->Initialize();
+  if (params.surface_id) {
+    if (!accelerated_surface_.get() && compositor_host_window_) {
+      accelerated_surface_ = new AcceleratedSurface(compositor_host_window_);
+      accelerated_surface_->Initialize();
+    }
+
+    accelerated_surface_->AsyncPresentAndAcknowledge(
+        params.size,
+        params.surface_id,
+        base::Bind(&RenderWidgetHost::AcknowledgeSwapBuffers,
+                   gpu_host_id,
+                   params.route_id));
+  } else {
+    RenderWidgetHost::AcknowledgeSwapBuffers(params.route_id, gpu_host_id);
   }
-
-  base::Closure acknowledge_task =
-      base::Bind(SendToGpuProcessHost,
-                 gpu_host_id,
-                 new AcceleratedSurfaceMsg_BuffersSwappedACK(params.route_id));
-
-  accelerated_surface_->AsyncPresentAndAcknowledge(
-      params.size,
-      params.surface_id,
-      base::Bind(PostTaskOnIOThread,
-                 FROM_HERE,
-                 acknowledge_task));
 }
 
 void RenderWidgetHostViewWin::AcceleratedSurfacePostSubBuffer(
     const GpuHostMsg_AcceleratedSurfacePostSubBuffer_Params& params,
     int gpu_host_id) {
-  NOTREACHED();
+  RenderWidgetHost::AcknowledgePostSubBuffer(params.route_id, gpu_host_id);
 }
 
 void RenderWidgetHostViewWin::SetAccessibilityFocus(int acc_obj_id) {
   if (!render_widget_host_)
     return;
 
   render_widget_host_->AccessibilitySetFocus(acc_obj_id);
 }
 
 void RenderWidgetHostViewWin::AccessibilityDoDefaultAction(int acc_obj_id) {
@@ skipping 365 matching lines @@
 
   size_t offset = selection_range_.GetMin() - selection_text_offset_;
   memcpy(reinterpret_cast<char*>(reconv) + sizeof(RECONVERTSTRING),
          selection_text_.c_str() + offset, len * sizeof(WCHAR));
 
   // According to Microsft API document, IMR_RECONVERTSTRING and
   // IMR_DOCUMENTFEED should return reconv, but some applications return
   // need_size.
   return reinterpret_cast<LRESULT>(reconv);
 }