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/memory/ref_counted.h"
   8 #include "base/message_loop/message_loop.h"
   9 #include "base/time/time.h"
  10 #include "cc/output/compositor_frame.h"
  11 #include "cc/output/software_output_device.h"
  12 #include "content/browser/aura/browser_compositor_output_surface_proxy.h"
  13 #include "content/browser/renderer_host/render_widget_host_impl.h"
  14 #include "ui/events/latency_info.h"
  15 #include "ui/gfx/vsync_provider.h"
  16
  17 namespace content {
  18
  19 SoftwareBrowserCompositorOutputSurface::SoftwareBrowserCompositorOutputSurface(
  20     scoped_refptr<BrowserCompositorOutputSurfaceProxy> surface_proxy,
  21     scoped_ptr<cc::SoftwareOutputDevice> software_device,
  22     int surface_id,
  23     IDMap<BrowserCompositorOutputSurface>* output_surface_map,
  24     base::MessageLoopProxy* compositor_message_loop,
  25     base::WeakPtr<ui::Compositor> compositor)
  26     : BrowserCompositorOutputSurface(software_device.Pass(),
  27                                      surface_id,
  28                                      output_surface_map,
  29                                      compositor_message_loop,
  30                                      compositor),
  31       output_surface_proxy_(surface_proxy) {}
  32
  33 SoftwareBrowserCompositorOutputSurface::
  34     ~SoftwareBrowserCompositorOutputSurface() {}
  35
  36 void SoftwareBrowserCompositorOutputSurface::SwapBuffers(
  37     cc::CompositorFrame* frame) {
  38   // TODO(miletus) : Convert RenderWidgetHostImpl::CompositorFrameDrawn() to
  39   // take std::vector<ui::LatencyInfo> directly so we only post the task once.
  40   for (size_t i = 0; i < frame->metadata.latency_info.size(); i++) {
  41     frame->metadata.latency_info[i].AddLatencyNumber(
  42         ui::INPUT_EVENT_LATENCY_TERMINATED_FRAME_SWAP_COMPONENT, 0, 0);
  43     base::MessageLoop::current()->PostTask(
  44         FROM_HERE,
  45         base::Bind(
  46             &RenderWidgetHostImpl::CompositorFrameDrawn,
  47             frame->metadata.latency_info[i]));
  48   }
  49
  50   gfx::VSyncProvider* vsync_provider = software_device()->GetVSyncProvider();
  51   if (vsync_provider) {
  52     vsync_provider->GetVSyncParameters(
  53         base::Bind(&BrowserCompositorOutputSurfaceProxy::
  54                         OnUpdateVSyncParametersOnCompositorThread,
  55                    output_surface_proxy_,
  56                    surface_id_));
  57   }
  58 }
  59
  60 }  // namespace content