src/content/browser/aura/software_browser_compositor_output_surface.cc

   1 // Copyright 2013 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "content/browser/aura/software_browser_compositor_output_surface.h"
   6
   7 #include "base/message_loop/message_loop.h"
   8 #include "base/time/time.h"
   9 #include "cc/output/compositor_frame.h"
  10 #include "cc/output/software_output_device.h"
  11 #include "content/browser/renderer_host/render_widget_host_impl.h"
  12 #include "ui/events/latency_info.h"
  13
  14 namespace content {
  15
  16 SoftwareBrowserCompositorOutputSurface::SoftwareBrowserCompositorOutputSurface(
  17     scoped_ptr<cc::SoftwareOutputDevice> software_device)
  18     : cc::OutputSurface(software_device.Pass()) {}
  19
  20 void SoftwareBrowserCompositorOutputSurface::SwapBuffers(
  21     cc::CompositorFrame* frame) {
  22   ui::LatencyInfo latency_info = frame->metadata.latency_info;
  23   latency_info.AddLatencyNumber(
  24       ui::INPUT_EVENT_LATENCY_TERMINATED_FRAME_SWAP_COMPONENT, 0, 0);
  25
  26   base::MessageLoop::current()->PostTask(
  27       FROM_HERE,
  28       base::Bind(
  29           &RenderWidgetHostImpl::CompositorFrameDrawn,
  30           latency_info));
  31 }
  32
  33 }  // namespace content