Allow out-of-process iframes to render to compositing surfaces.

content/browser/frame_host/cross_process_frame_connector.cc

 // Copyright 2014 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/frame_host/cross_process_frame_connector.h"
 
+#include "cc/surfaces/surface.h"
+#include "cc/surfaces/surface_manager.h"
 #include "content/browser/frame_host/render_frame_proxy_host.h"
 #include "content/browser/frame_host/render_widget_host_view_child_frame.h"
 #include "content/browser/renderer_host/render_view_host_impl.h"
 #include "content/browser/renderer_host/render_widget_host_impl.h"
 #include "content/common/frame_messages.h"
 #include "content/common/gpu/gpu_messages.h"
 #include "third_party/WebKit/public/web/WebInputEvent.h"
 
 namespace content {
 
@@ skipping 13 matching lines @@
   bool handled = true;
 
   IPC_BEGIN_MESSAGE_MAP(CrossProcessFrameConnector, msg)
     IPC_MESSAGE_HANDLER(FrameHostMsg_CompositorFrameSwappedACK,
                         OnCompositorFrameSwappedACK)
     IPC_MESSAGE_HANDLER(FrameHostMsg_ReclaimCompositorResources,
                         OnReclaimCompositorResources)
     IPC_MESSAGE_HANDLER(FrameHostMsg_ForwardInputEvent, OnForwardInputEvent)
     IPC_MESSAGE_HANDLER(FrameHostMsg_InitializeChildFrame,
                         OnInitializeChildFrame)
+    IPC_MESSAGE_HANDLER(FrameHostMsg_SatisfySequence, OnSatisfySequence)
+    IPC_MESSAGE_HANDLER(FrameHostMsg_RequireSequence, OnRequireSequence)
     IPC_MESSAGE_UNHANDLED(handled = false)
   IPC_END_MESSAGE_MAP()
 
   return handled;
 }
 
 void CrossProcessFrameConnector::set_view(
     RenderWidgetHostViewChildFrame* view) {
   // Detach ourselves from the previous |view_|.
   if (view_)
@@ skipping 21 matching lines @@
     scoped_ptr<cc::CompositorFrame> frame) {
   FrameMsg_CompositorFrameSwapped_Params params;
   frame->AssignTo(&params.frame);
   params.output_surface_id = output_surface_id;
   params.producing_route_id = route_id;
   params.producing_host_id = host_id;
   frame_proxy_in_parent_renderer_->Send(new FrameMsg_CompositorFrameSwapped(
       frame_proxy_in_parent_renderer_->GetRoutingID(), params));
 }
 
+void CrossProcessFrameConnector::SetChildFrameSurface(
+    cc::SurfaceId& surface_id,
+    gfx::Size frame_size,
+    float scale_factor,
+    cc::SurfaceSequence& sequence) {
+  frame_proxy_in_parent_renderer_->Send(new FrameMsg_SetChildFrameSurface(
+      frame_proxy_in_parent_renderer_->GetRoutingID(), surface_id, frame_size,
+      scale_factor, sequence));
+}
+
+void CrossProcessFrameConnector::OnSatisfySequence(
+    const cc::SurfaceSequence& sequence) {
+#if !defined(OS_ANDROID)
+  std::vector<uint32_t> sequences;
+  sequences.push_back(sequence.sequence);
+  cc::SurfaceManager* manager =
+      ImageTransportFactory::GetInstance()->GetSurfaceManager();
+  manager->DidSatisfySequences(sequence.id_namespace, &sequences);
+#endif
+}
+
+void CrossProcessFrameConnector::OnRequireSequence(
+    const cc::SurfaceId& id,
+    const cc::SurfaceSequence& sequence) {
+#if !defined(OS_ANDROID)
+  cc::SurfaceManager* manager =
+      ImageTransportFactory::GetInstance()->GetSurfaceManager();
+  cc::Surface* surface = manager->GetSurfaceForId(id);
+  if (!surface) {
+    LOG(ERROR) << "Attempting to require callback on nonexistent surface";
+    return;
+  }
+  surface->AddDestructionDependency(sequence);
+#endif
+}
+
 void CrossProcessFrameConnector::OnCompositorFrameSwappedACK(
     const FrameHostMsg_CompositorFrameSwappedACK_Params& params) {
   RenderWidgetHostImpl::SendSwapCompositorFrameAck(params.producing_route_id,
                                                    params.output_surface_id,
                                                    params.producing_host_id,
                                                    params.ack);
 }
 
 void CrossProcessFrameConnector::OnReclaimCompositorResources(
     const FrameHostMsg_ReclaimCompositorResources_Params& params) {
@@ skipping 58 matching lines @@
   }
 }
 
 void CrossProcessFrameConnector::SetSize(gfx::Rect frame_rect) {
   child_frame_rect_ = frame_rect;
   if (view_)
     view_->SetSize(frame_rect.size());
 }
 
 }  // namespace content