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/browser_compositor_output_surface.h" 6 7 #include "base/bind.h" 8 #include "base/location.h" 9 #include "base/strings/string_number_conversions.h" 10 #include "content/browser/compositor/reflector_impl.h" 11 #include "content/common/gpu/client/context_provider_command_buffer.h" 12 13 namespace content { 14 15 BrowserCompositorOutputSurface::BrowserCompositorOutputSurface( 16 const scoped_refptr<ContextProviderCommandBuffer>& context_provider, 17 int surface_id, 18 IDMap<BrowserCompositorOutputSurface>* output_surface_map, 19 const scoped_refptr<ui::CompositorVSyncManager>& vsync_manager) 20 : OutputSurface(context_provider), 21 surface_id_(surface_id), 22 output_surface_map_(output_surface_map), 23 vsync_manager_(vsync_manager) { 24 Initialize(); 25 } 26 27 BrowserCompositorOutputSurface::BrowserCompositorOutputSurface( 28 scoped_ptr<cc::SoftwareOutputDevice> software_device, 29 int surface_id, 30 IDMap<BrowserCompositorOutputSurface>* output_surface_map, 31 const scoped_refptr<ui::CompositorVSyncManager>& vsync_manager) 32 : OutputSurface(software_device.Pass()), 33 surface_id_(surface_id), 34 output_surface_map_(output_surface_map), 35 vsync_manager_(vsync_manager) { 36 Initialize(); 37 } 38 39 BrowserCompositorOutputSurface::~BrowserCompositorOutputSurface() { 40 DCHECK(CalledOnValidThread()); 41 if (reflector_.get()) 42 reflector_->DetachFromOutputSurface(); 43 DCHECK(!reflector_.get()); 44 if (!HasClient()) 45 return; 46 output_surface_map_->Remove(surface_id_); 47 vsync_manager_->RemoveObserver(this); 48 } 49 50 void BrowserCompositorOutputSurface::Initialize() { 51 capabilities_.max_frames_pending = 1; 52 capabilities_.adjust_deadline_for_parent = false; 53 54 DetachFromThread(); 55 } 56 57 bool BrowserCompositorOutputSurface::BindToClient( 58 cc::OutputSurfaceClient* client) { 59 DCHECK(CalledOnValidThread()); 60 61 if (!OutputSurface::BindToClient(client)) 62 return false; 63 64 output_surface_map_->AddWithID(this, surface_id_); 65 if (reflector_.get()) 66 reflector_->OnSourceSurfaceReady(this); 67 vsync_manager_->AddObserver(this); 68 return true; 69 } 70 71 void BrowserCompositorOutputSurface::OnSwapBuffersComplete() { 72 // On Mac, delay acknowledging the swap to the output surface client until 73 // it has been drawn. 74 #if !defined(OS_MACOSX) 75 cc::OutputSurface::OnSwapBuffersComplete(); 76 #endif 77 } 78 79 void BrowserCompositorOutputSurface::OnUpdateVSyncParameters( 80 base::TimeTicks timebase, 81 base::TimeDelta interval) { 82 DCHECK(CalledOnValidThread()); 83 DCHECK(HasClient()); 84 CommitVSyncParameters(timebase, interval); 85 } 86 87 void BrowserCompositorOutputSurface::OnUpdateVSyncParametersFromGpu( 88 base::TimeTicks timebase, 89 base::TimeDelta interval) { 90 DCHECK(CalledOnValidThread()); 91 DCHECK(HasClient()); 92 vsync_manager_->UpdateVSyncParameters(timebase, interval); 93 } 94 95 void BrowserCompositorOutputSurface::SetReflector(ReflectorImpl* reflector) { 96 reflector_ = reflector; 97 } 98 99 #if defined(OS_MACOSX) 100 void BrowserCompositorOutputSurface::OnSurfaceDisplayed() { 101 cc::OutputSurface::OnSwapBuffersComplete(); 102 } 103 #endif 104 105 } // namespace content 106
