cc: Make separate interface for BeginFrame ipc from OutputSurface

content/renderer/gpu/compositor_output_surface.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/gpu/compositor_output_surface.h"
 
 #include "base/command_line.h"
 #include "base/message_loop/message_loop_proxy.h"
 #include "cc/output/compositor_frame.h"
 #include "cc/output/compositor_frame_ack.h"
 #include "cc/output/managed_memory_policy.h"
 #include "cc/output/output_surface_client.h"
 #include "content/common/gpu/client/command_buffer_proxy_impl.h"
 #include "content/common/gpu/client/context_provider_command_buffer.h"
 #include "content/common/gpu/client/webgraphicscontext3d_command_buffer_impl.h"
 #include "content/common/view_messages.h"
 #include "content/public/common/content_switches.h"
 #include "content/renderer/gpu/frame_swap_message_queue.h"
 #include "content/renderer/render_thread_impl.h"
 #include "gpu/command_buffer/client/context_support.h"
 #include "gpu/command_buffer/client/gles2_interface.h"
-#include "ipc/ipc_forwarding_message_filter.h"
 #include "ipc/ipc_sync_channel.h"
 
 namespace {
 // There are several compositor surfaces in a process, but they share the same
 // compositor thread, so we use a simple int here to track prefer-smoothness.
 int g_prefer_smoothness_count = 0;
 } // namespace
 
 namespace content {
 
-//------------------------------------------------------------------------------
-
-// static
-IPC::ForwardingMessageFilter* CompositorOutputSurface::CreateFilter(
-    base::TaskRunner* target_task_runner)
-{
-  uint32 messages_to_filter[] = {
-    ViewMsg_UpdateVSyncParameters::ID,
-    ViewMsg_SwapCompositorFrameAck::ID,
-    ViewMsg_ReclaimCompositorResources::ID,
-#if defined(OS_ANDROID)
-    ViewMsg_BeginFrame::ID
-#endif
-  };
-
-  return new IPC::ForwardingMessageFilter(
-      messages_to_filter, arraysize(messages_to_filter),
-      target_task_runner);
-}
-
 CompositorOutputSurface::CompositorOutputSurface(
     int32 routing_id,
     uint32 output_surface_id,
     const scoped_refptr<ContextProviderCommandBuffer>& context_provider,
     scoped_ptr<cc::SoftwareOutputDevice> software_device,
     scoped_refptr<FrameSwapMessageQueue> swap_frame_message_queue,
     bool use_swap_compositor_frame_message)
     : OutputSurface(context_provider, software_device.Pass()),
       output_surface_id_(output_surface_id),
       use_swap_compositor_frame_message_(use_swap_compositor_frame_message),
       output_surface_filter_(
-          RenderThreadImpl::current()->compositor_output_surface_filter()),
+          RenderThreadImpl::current()->compositor_message_filter()),
       frame_swap_message_queue_(swap_frame_message_queue),
       routing_id_(routing_id),
       prefers_smoothness_(false),
 #if defined(OS_WIN)
       // TODO(epenner): Implement PlatformThread::CurrentHandle() on windows.
       main_thread_handle_(base::PlatformThreadHandle()),
 #else
       main_thread_handle_(base::PlatformThread::CurrentHandle()),
 #endif
       layout_test_mode_(RenderThreadImpl::current()->layout_test_mode()),
       weak_ptrs_(this) {
   DCHECK(output_surface_filter_.get());
   DCHECK(frame_swap_message_queue_.get());
   DetachFromThread();
   message_sender_ = RenderThreadImpl::current()->sync_message_filter();
   DCHECK(message_sender_.get());
   if (OutputSurface::software_device())
     capabilities_.max_frames_pending = 1;
 }
 
 CompositorOutputSurface::~CompositorOutputSurface() {
   DCHECK(CalledOnValidThread());
-  SetNeedsBeginFrame(false);
   if (!HasClient())
     return;
   UpdateSmoothnessTakesPriority(false);
   if (output_surface_proxy_.get())
     output_surface_proxy_->ClearOutputSurface();
-  output_surface_filter_->RemoveRoute(routing_id_);
+  output_surface_filter_->RemoveHandlerOnCompositorThread(
+                              routing_id_,
+                              output_surface_filter_handler_);
 }
 
 bool CompositorOutputSurface::BindToClient(
     cc::OutputSurfaceClient* client) {
   DCHECK(CalledOnValidThread());
 
   if (!cc::OutputSurface::BindToClient(client))
     return false;
 
   output_surface_proxy_ = new CompositorOutputSurfaceProxy(this);
-  output_surface_filter_->AddRoute(
-      routing_id_,
+  output_surface_filter_handler_ =
       base::Bind(&CompositorOutputSurfaceProxy::OnMessageReceived,
-                 output_surface_proxy_));
+                 output_surface_proxy_);
+  output_surface_filter_->AddHandlerOnCompositorThread(
+                              routing_id_,
+                              output_surface_filter_handler_);
 
   if (!context_provider()) {
     // Without a GPU context, the memory policy otherwise wouldn't be set.
     client->SetMemoryPolicy(cc::ManagedMemoryPolicy(
         128 * 1024 * 1024,
         gpu::MemoryAllocation::CUTOFF_ALLOW_NICE_TO_HAVE,
         base::SharedMemory::GetHandleLimit() / 3));
   }
 
   return true;
@@ skipping 68 matching lines @@
 
 void CompositorOutputSurface::OnMessageReceived(const IPC::Message& message) {
   DCHECK(CalledOnValidThread());
   if (!HasClient())
     return;
   IPC_BEGIN_MESSAGE_MAP(CompositorOutputSurface, message)
     IPC_MESSAGE_HANDLER(ViewMsg_UpdateVSyncParameters,
                         OnUpdateVSyncParametersFromBrowser);
     IPC_MESSAGE_HANDLER(ViewMsg_SwapCompositorFrameAck, OnSwapAck);
     IPC_MESSAGE_HANDLER(ViewMsg_ReclaimCompositorResources, OnReclaimResources);
-#if defined(OS_ANDROID)
-    IPC_MESSAGE_HANDLER(ViewMsg_BeginFrame, OnBeginFrame);
-#endif
   IPC_END_MESSAGE_MAP()
 }
 
 void CompositorOutputSurface::OnUpdateVSyncParametersFromBrowser(
     base::TimeTicks timebase,
     base::TimeDelta interval) {
   DCHECK(CalledOnValidThread());
   CommitVSyncParameters(timebase, interval);
 }
 
-#if defined(OS_ANDROID)
-void CompositorOutputSurface::SetNeedsBeginFrame(bool enable) {
-  DCHECK(CalledOnValidThread());
-  Send(new ViewHostMsg_SetNeedsBeginFrame(routing_id_, enable));
-}
-
-void CompositorOutputSurface::OnBeginFrame(const cc::BeginFrameArgs& args) {
-  DCHECK(CalledOnValidThread());
-  client_->BeginFrame(args);
-}
-#endif  // defined(OS_ANDROID)
-
 void CompositorOutputSurface::OnSwapAck(uint32 output_surface_id,
                                         const cc::CompositorFrameAck& ack) {
   // Ignore message if it's a stale one coming from a different output surface
   // (e.g. after a lost context).
   if (output_surface_id != output_surface_id_)
     return;
   ReclaimResources(&ack);
   client_->DidSwapBuffersComplete();
 }
 
@@ skipping 46 matching lines @@
   // If this is the last surface to stop preferring smoothness,
   // Reset the main thread's priority to the default.
   if (prefers_smoothness_ == true &&
       --g_prefer_smoothness_count == 0) {
     SetThreadPriorityToDefault(main_thread_handle_);
   }
   prefers_smoothness_ = prefers_smoothness;
 }
 
 }  // namespace content