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/software_output_device.h" 12 #include "content/browser/compositor/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 const scoped_refptr<ui::CompositorVSyncManager>& vsync_manager) 25 : BrowserCompositorOutputSurface(software_device.Pass(), 26 surface_id, 27 output_surface_map, 28 vsync_manager), 29 output_surface_proxy_(surface_proxy) {} 30 31 SoftwareBrowserCompositorOutputSurface:: 32 ~SoftwareBrowserCompositorOutputSurface() {} 33 34 void SoftwareBrowserCompositorOutputSurface::SwapBuffers( 35 cc::CompositorFrame* frame) { 36 for (size_t i = 0; i < frame->metadata.latency_info.size(); i++) { 37 frame->metadata.latency_info[i].AddLatencyNumber( 38 ui::INPUT_EVENT_LATENCY_TERMINATED_FRAME_SWAP_COMPONENT, 0, 0); 39 } 40 base::MessageLoop::current()->PostTask( 41 FROM_HERE, 42 base::Bind( 43 &RenderWidgetHostImpl::CompositorFrameDrawn, 44 frame->metadata.latency_info)); 45 46 gfx::VSyncProvider* vsync_provider = software_device()->GetVSyncProvider(); 47 if (vsync_provider) { 48 vsync_provider->GetVSyncParameters( 49 base::Bind(&BrowserCompositorOutputSurfaceProxy:: 50 OnUpdateVSyncParametersOnCompositorThread, 51 output_surface_proxy_, 52 surface_id_)); 53 } 54 } 55 56 } // namespace content 57