content/browser/compositor/software_browser_compositor_output_surface.cc

   1 // Copyright 2014 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/compositor/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/output_surface_client.h"
  12 #include "cc/output/software_output_device.h"
  13 #include "content/browser/compositor/browser_compositor_output_surface_proxy.h"
  14 #include "content/browser/renderer_host/render_widget_host_impl.h"
  15 #include "ui/events/latency_info.h"
  16 #include "ui/gfx/vsync_provider.h"
  17
  18 namespace content {
  19
  20 SoftwareBrowserCompositorOutputSurface::SoftwareBrowserCompositorOutputSurface(
  21     scoped_refptr<BrowserCompositorOutputSurfaceProxy> surface_proxy,
  22     scoped_ptr<cc::SoftwareOutputDevice> software_device,
  23     int surface_id,
  24     IDMap<BrowserCompositorOutputSurface>* output_surface_map,
  25     const scoped_refptr<ui::CompositorVSyncManager>& vsync_manager)
  26     : BrowserCompositorOutputSurface(software_device.Pass(),
  27                                      surface_id,
  28                                      output_surface_map,
  29                                      vsync_manager),
  30       output_surface_proxy_(surface_proxy) {}
  31
  32 SoftwareBrowserCompositorOutputSurface::
  33     ~SoftwareBrowserCompositorOutputSurface() {}
  34
  35 void SoftwareBrowserCompositorOutputSurface::SwapBuffers(
  36     cc::CompositorFrame* frame) {
  37   for (size_t i = 0; i < frame->metadata.latency_info.size(); i++) {
  38     frame->metadata.latency_info[i].AddLatencyNumber(
  39         ui::INPUT_EVENT_LATENCY_TERMINATED_FRAME_SWAP_COMPONENT, 0, 0);
  40   }
  41   base::MessageLoop::current()->PostTask(
  42       FROM_HERE,
  43       base::Bind(
  44           &RenderWidgetHostImpl::CompositorFrameDrawn,
  45           frame->metadata.latency_info));
  46
  47   gfx::VSyncProvider* vsync_provider = software_device()->GetVSyncProvider();
  48   if (vsync_provider) {
  49     vsync_provider->GetVSyncParameters(
  50         base::Bind(&BrowserCompositorOutputSurfaceProxy::
  51                         OnUpdateVSyncParametersOnCompositorThread,
  52                    output_surface_proxy_,
  53                    surface_id_));
  54   }
  55   PostSwapBuffersComplete();
  56   client_->DidSwapBuffers();
  57 }
  58
  59 #if defined(OS_MACOSX)
  60 void SoftwareBrowserCompositorOutputSurface::OnSurfaceDisplayed() {
  61   // See GpuBrowserCompositorOutputSurface for when and how this is used.
  62   NOTREACHED() << "Not expected for software surfaces.";
  63 }
  64 #endif
  65
  66 }  // namespace content