1 // Copyright (c) 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/browser_compositor_output_surface.h" 6 7 #include "base/bind.h" 8 #include "base/command_line.h" 9 #include "base/location.h" 10 #include "base/message_loop/message_loop_proxy.h" 11 #include "base/strings/string_number_conversions.h" 12 #include "content/browser/aura/reflector_impl.h" 13 #include "content/common/gpu/client/context_provider_command_buffer.h" 14 #include "ui/compositor/compositor.h" 15 #include "ui/compositor/compositor_switches.h" 16 17 namespace content { 18 19 BrowserCompositorOutputSurface::BrowserCompositorOutputSurface( 20 const scoped_refptr<ContextProviderCommandBuffer>& context_provider, 21 int surface_id, 22 IDMap<BrowserCompositorOutputSurface>* output_surface_map, 23 base::MessageLoopProxy* compositor_message_loop, 24 base::WeakPtr<ui::Compositor> compositor) 25 : OutputSurface(context_provider), 26 surface_id_(surface_id), 27 output_surface_map_(output_surface_map), 28 compositor_message_loop_(compositor_message_loop), 29 compositor_(compositor) { 30 Initialize(); 31 } 32 33 BrowserCompositorOutputSurface::BrowserCompositorOutputSurface( 34 scoped_ptr<cc::SoftwareOutputDevice> software_device, 35 int surface_id, 36 IDMap<BrowserCompositorOutputSurface>* output_surface_map, 37 base::MessageLoopProxy* compositor_message_loop, 38 base::WeakPtr<ui::Compositor> compositor) 39 : OutputSurface(software_device.Pass()), 40 surface_id_(surface_id), 41 output_surface_map_(output_surface_map), 42 compositor_message_loop_(compositor_message_loop), 43 compositor_(compositor) { 44 Initialize(); 45 } 46 47 BrowserCompositorOutputSurface::~BrowserCompositorOutputSurface() { 48 DCHECK(CalledOnValidThread()); 49 if (!HasClient()) 50 return; 51 output_surface_map_->Remove(surface_id_); 52 } 53 54 void BrowserCompositorOutputSurface::Initialize() { 55 CommandLine* command_line = CommandLine::ForCurrentProcess(); 56 if (command_line->HasSwitch(switches::kUIMaxFramesPending)) { 57 std::string string_value = command_line->GetSwitchValueASCII( 58 switches::kUIMaxFramesPending); 59 int int_value; 60 if (base::StringToInt(string_value, &int_value)) 61 capabilities_.max_frames_pending = int_value; 62 else 63 LOG(ERROR) << "Trouble parsing --" << switches::kUIMaxFramesPending; 64 } 65 capabilities_.adjust_deadline_for_parent = false; 66 67 DetachFromThread(); 68 } 69 70 bool BrowserCompositorOutputSurface::BindToClient( 71 cc::OutputSurfaceClient* client) { 72 DCHECK(CalledOnValidThread()); 73 74 if (!OutputSurface::BindToClient(client)) 75 return false; 76 77 output_surface_map_->AddWithID(this, surface_id_); 78 if (reflector_) 79 reflector_->OnSourceSurfaceReady(surface_id_); 80 return true; 81 } 82 83 void BrowserCompositorOutputSurface::Reshape(gfx::Size size, 84 float scale_factor) { 85 OutputSurface::Reshape(size, scale_factor); 86 if (reflector_.get()) 87 reflector_->OnReshape(size); 88 } 89 90 void BrowserCompositorOutputSurface::OnUpdateVSyncParameters( 91 base::TimeTicks timebase, 92 base::TimeDelta interval) { 93 DCHECK(CalledOnValidThread()); 94 DCHECK(HasClient()); 95 OnVSyncParametersChanged(timebase, interval); 96 compositor_message_loop_->PostTask( 97 FROM_HERE, 98 base::Bind(&ui::Compositor::OnUpdateVSyncParameters, 99 compositor_, timebase, interval)); 100 } 101 102 void BrowserCompositorOutputSurface::SetReflector(ReflectorImpl* reflector) { 103 reflector_ = reflector; 104 } 105 106 } // namespace content 107
