Aura: Browser-side changes for Composite-To-Mailbox

content/browser/renderer_host/render_widget_host_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/browser/renderer_host/render_widget_host_impl.h"
 
 #include <math.h>
 #include <utility>
 
 #include "base/auto_reset.h"
 #include "base/bind.h"
 #include "base/command_line.h"
 #include "base/debug/trace_event.h"
 #include "base/i18n/rtl.h"
 #include "base/message_loop.h"
 #include "base/metrics/field_trial.h"
 #include "base/metrics/histogram.h"
 #include "base/string_number_conversions.h"
 #include "base/utf_string_conversions.h"
 #include "cc/compositor_frame.h"
+#include "cc/compositor_frame_ack.h"
 #include "content/browser/gpu/gpu_process_host.h"
 #include "content/browser/gpu/gpu_process_host_ui_shim.h"
 #include "content/browser/gpu/gpu_surface_tracker.h"
 #include "content/browser/renderer_host/backing_store.h"
 #include "content/browser/renderer_host/backing_store_manager.h"
 #include "content/browser/renderer_host/gesture_event_filter.h"
 #include "content/browser/renderer_host/overscroll_controller.h"
 #include "content/browser/renderer_host/render_process_host_impl.h"
 #include "content/browser/renderer_host/render_view_host_impl.h"
 #include "content/browser/renderer_host/render_widget_helper.h"
@@ skipping 1500 matching lines @@
         frame.metadata.page_scale_factor,
         gfx::Vector2dF(
             frame.metadata.min_page_scale_factor,
             frame.metadata.max_page_scale_factor),
         frame.metadata.root_layer_size,
         frame.metadata.viewport_size,
         frame.metadata.location_bar_offset,
         frame.metadata.location_bar_content_translation);
   }
 #endif
+  if (view_) {
+    view_->OnSwapCompositorFrame(frame);
+  } else if (frame.gl_frame_data) {
+    cc::CompositorFrameAck ack;
+    ack.gl_frame_data.reset(new cc::GLFrameData());
+    ack.gl_frame_data->mailbox = frame.gl_frame_data->mailbox;
+    ack.gl_frame_data->size = frame.gl_frame_data->size;
+    ack.gl_frame_data->sync_point = 0;
+    SendSwapCompositorFrameAck(routing_id_, process_->GetID(), ack);
+  }
 }
 
 void RenderWidgetHostImpl::OnUpdateRect(
     const ViewHostMsg_UpdateRect_Params& params) {
   TRACE_EVENT0("renderer_host", "RenderWidgetHostImpl::OnUpdateRect");
   TimeTicks paint_start = TimeTicks::Now();
 
   // Update our knowledge of the RenderWidget's size.
   current_size_ = params.view_size;
   // Update our knowledge of the RenderWidget's scroll offset.
@@ skipping 779 matching lines @@
 void RenderWidgetHostImpl::AcknowledgeBufferPresent(
     int32 route_id, int gpu_host_id,
     const AcceleratedSurfaceMsg_BufferPresented_Params& params) {
   GpuProcessHostUIShim* ui_shim = GpuProcessHostUIShim::FromID(gpu_host_id);
   if (ui_shim) {
     ui_shim->Send(new AcceleratedSurfaceMsg_BufferPresented(route_id,
                                                             params));
   }
 }
 
+// static
+void RenderWidgetHostImpl::SendSwapCompositorFrameAck(
+    int32 route_id, int renderer_host_id, const cc::CompositorFrameAck& ack) {
+  RenderProcessHost* host = RenderProcessHost::FromID(renderer_host_id);
+  if (host)
+    host->Send(new ViewMsg_SwapCompositorFrameAck(route_id, ack));
+}
+
 void RenderWidgetHostImpl::AcknowledgeSwapBuffersToRenderer() {
   if (!is_threaded_compositing_enabled_)
     Send(new ViewMsg_SwapBuffers_ACK(routing_id_));
 }
 
 #if defined(USE_AURA)
 
 void RenderWidgetHostImpl::ParentChanged(gfx::NativeViewId new_parent) {
 #if defined(OS_WIN)
   HWND hwnd = reinterpret_cast<HWND>(new_parent);
@@ skipping 18 matching lines @@
     return;
 
   OnRenderAutoResized(new_size);
 }
 
 void RenderWidgetHostImpl::DetachDelegate() {
   delegate_ = NULL;
 }
 
 }  // namespace content