Implement WebCompositorOutputSurface

content/renderer/render_thread_impl.cc

 // 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.
 
 #include "content/renderer/render_thread_impl.h"
 
 #include <algorithm>
 #include <limits>
 #include <map>
 #include <vector>
@@ skipping 38 matching lines @@
 #include "content/public/renderer/content_renderer_client.h"
 #include "content/public/renderer/render_process_observer.h"
 #include "content/public/renderer/render_view_visitor.h"
 #include "content/renderer/browser_plugin/old/browser_plugin_channel_manager.h"
 #include "content/renderer/browser_plugin/old/browser_plugin_registry.h"
 #include "content/renderer/devtools_agent_filter.h"
 #include "content/renderer/dom_storage/dom_storage_dispatcher.h"
 #include "content/renderer/dom_storage/webstoragearea_impl.h"
 #include "content/renderer/dom_storage/webstoragenamespace_impl.h"
 #include "content/renderer/gpu/compositor_thread.h"
+#include "content/renderer/gpu/compositor_output_surface.h"
 #include "content/renderer/gpu/gpu_benchmarking_extension.h"
 #include "content/renderer/media/audio_hardware.h"
 #include "content/renderer/media/audio_input_message_filter.h"
 #include "content/renderer/media/audio_message_filter.h"
 #include "content/renderer/media/audio_renderer_mixer_manager.h"
 #include "content/renderer/media/media_stream_center.h"
 #include "content/renderer/media/video_capture_impl_manager.h"
 #include "content/renderer/media/video_capture_message_filter.h"
 #include "content/renderer/plugin_channel_host.h"
 #include "content/renderer/render_process_impl.h"
 #include "content/renderer/render_view_impl.h"
 #include "content/renderer/renderer_webkitplatformsupport_impl.h"
 #include "grit/content_resources.h"
 #include "ipc/ipc_channel_handle.h"
+#include "ipc/ipc_forwarding_message_filter.h"
 #include "ipc/ipc_platform_file.h"
 #include "media/base/media.h"
 #include "net/base/net_errors.h"
 #include "net/base/net_util.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/WebColorName.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/WebCompositor.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/WebDatabase.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/WebDocument.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/WebFrame.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/WebKit.h"
@@ skipping 211 matching lines @@
 
   RemoveFilter(vc_manager_->video_capture_message_filter());
 
   RemoveFilter(db_message_filter_.get());
   db_message_filter_ = NULL;
 
   // Shutdown the file thread if it's running.
   if (file_thread_.get())
     file_thread_->Stop();
 
+  RemoveFilter(compositor_output_surface_filter_.get());
+  compositor_output_surface_filter_ = NULL;
+
   if (compositor_initialized_) {
     WebKit::WebCompositor::shutdown();
     compositor_initialized_ = false;
   }
   if (compositor_thread_.get()) {
     RemoveFilter(compositor_thread_->GetMessageFilter());
     compositor_thread_.reset();
   }
 
   if (webkit_platform_support_.get())
@@ skipping 187 matching lines @@
   bool enable = content::IsThreadedCompositingEnabled() && !is_guest;
   if (enable) {
     compositor_thread_.reset(new CompositorThread(this));
     AddFilter(compositor_thread_->GetMessageFilter());
     WebKit::WebCompositor::initialize(compositor_thread_->GetWebThread());
   } else {
     WebKit::WebCompositor::initialize(NULL);
   }
   compositor_initialized_ = true;
 
+  MessageLoop* output_surface_loop = content::IsThreadedCompositingEnabled() ?

[jbates, 2012/08/08 16:55:09]

Should this be replaced with the existing enable from line 506? The logic is
slightly different above (includes !is_guest).

+    compositor_thread_->message_loop() :

[piman, 2012/08/08 16:47:43]

nit: indenting for continuations is +4.

+    MessageLoop::current();
+
+  compositor_output_surface_filter_ = CompositorOutputSurface::CreateFilter(
+      output_surface_loop->message_loop_proxy());
+  AddFilter(compositor_output_surface_filter_.get());
+
   WebScriptController::enableV8SingleThreadMode();
 
   RenderThreadImpl::RegisterSchemes();
 
   const CommandLine& command_line = *CommandLine::ForCurrentProcess();
 
   webkit_glue::EnableWebCoreLogChannels(
       command_line.GetSwitchValueASCII(switches::kWebCoreLogChannels));
 
   if (CommandLine::ForCurrentProcess()->HasSwitch(
@@ skipping 525 matching lines @@
 
 scoped_refptr<base::MessageLoopProxy>
 RenderThreadImpl::GetFileThreadMessageLoopProxy() {
   DCHECK(message_loop() == MessageLoop::current());
   if (!file_thread_.get()) {
     file_thread_.reset(new base::Thread("Renderer::FILE"));
     file_thread_->Start();
   }
   return file_thread_->message_loop_proxy();
 }