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| 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 "components/view_manager/surfaces/surfaces_scheduler.h" | |
| 6 | |
| 7 #include "cc/debug/rendering_stats_instrumentation.h" | |
| 8 #include "cc/scheduler/compositor_timing_history.h" | |
| 9 #include "cc/surfaces/display.h" | |
| 10 | |
| 11 namespace surfaces { | |
| 12 | |
| 13 SurfacesScheduler::SurfacesScheduler() | |
| 14 : rendering_stats_instrumentation_( | |
| 15 cc::RenderingStatsInstrumentation::Create()) { | |
| 16 cc::SchedulerSettings settings; | |
| 17 scoped_ptr<cc::CompositorTimingHistory> compositor_timing_history( | |
| 18 new cc::CompositorTimingHistory(cc::CompositorTimingHistory::NULL_UMA, | |
| 19 rendering_stats_instrumentation_.get())); | |
| 20 scheduler_ = cc::Scheduler::Create( | |
| 21 this, settings, 0, base::MessageLoop::current()->task_runner().get(), | |
| 22 nullptr, compositor_timing_history.Pass()); | |
| 23 scheduler_->SetCanStart(); | |
| 24 scheduler_->SetVisible(true); | |
| 25 scheduler_->SetCanDraw(true); | |
| 26 scheduler_->SetNeedsBeginMainFrame(); | |
| 27 } | |
| 28 | |
| 29 SurfacesScheduler::~SurfacesScheduler() { | |
| 30 } | |
| 31 | |
| 32 void SurfacesScheduler::SetNeedsDraw() { | |
| 33 // Don't tell the scheduler we need to draw if we have no active displays | |
| 34 // which can happen if we haven't initialized displays yet or if all active | |
| 35 // displays have lost their context. | |
| 36 if (!displays_.empty()) | |
| 37 scheduler_->SetNeedsRedraw(); | |
| 38 } | |
| 39 | |
| 40 void SurfacesScheduler::OnVSyncParametersUpdated(base::TimeTicks timebase, | |
| 41 base::TimeDelta interval) { | |
| 42 scheduler_->CommitVSyncParameters(timebase, interval); | |
| 43 } | |
| 44 | |
| 45 void SurfacesScheduler::AddDisplay(cc::Display* display) { | |
| 46 DCHECK(displays_.find(display) == displays_.end()); | |
| 47 displays_.insert(display); | |
| 48 | |
| 49 // A draw might be necessary (e.g., this display might be getting added on | |
| 50 // resumption from the app being in the background as happens on android). | |
| 51 SetNeedsDraw(); | |
| 52 } | |
| 53 | |
| 54 void SurfacesScheduler::RemoveDisplay(cc::Display* display) { | |
| 55 auto it = displays_.find(display); | |
| 56 DCHECK(it != displays_.end()); | |
| 57 displays_.erase(it); | |
| 58 } | |
| 59 | |
| 60 void SurfacesScheduler::WillBeginImplFrame(const cc::BeginFrameArgs& args) { | |
| 61 } | |
| 62 | |
| 63 void SurfacesScheduler::DidFinishImplFrame() { | |
| 64 } | |
| 65 | |
| 66 void SurfacesScheduler::ScheduledActionSendBeginMainFrame() { | |
| 67 scheduler_->NotifyBeginMainFrameStarted(); | |
| 68 scheduler_->NotifyReadyToCommit(); | |
| 69 } | |
| 70 | |
| 71 cc::DrawResult SurfacesScheduler::ScheduledActionDrawAndSwapIfPossible() { | |
| 72 for (const auto& it : displays_) { | |
| 73 it->DrawAndSwap(); | |
| 74 } | |
| 75 return cc::DRAW_SUCCESS; | |
| 76 } | |
| 77 | |
| 78 cc::DrawResult SurfacesScheduler::ScheduledActionDrawAndSwapForced() { | |
| 79 NOTREACHED() << "ScheduledActionDrawAndSwapIfPossible always succeeds."; | |
| 80 return cc::DRAW_SUCCESS; | |
| 81 } | |
| 82 | |
| 83 void SurfacesScheduler::ScheduledActionAnimate() { | |
| 84 } | |
| 85 | |
| 86 void SurfacesScheduler::ScheduledActionCommit() { | |
| 87 scheduler_->NotifyReadyToActivate(); | |
| 88 } | |
| 89 | |
| 90 void SurfacesScheduler::ScheduledActionActivateSyncTree() { | |
| 91 } | |
| 92 | |
| 93 void SurfacesScheduler::ScheduledActionBeginOutputSurfaceCreation() { | |
| 94 scheduler_->DidCreateAndInitializeOutputSurface(); | |
| 95 } | |
| 96 | |
| 97 void SurfacesScheduler::ScheduledActionPrepareTiles() { | |
| 98 } | |
| 99 | |
| 100 void SurfacesScheduler::ScheduledActionInvalidateOutputSurface() { | |
| 101 } | |
| 102 | |
| 103 void SurfacesScheduler::SendBeginFramesToChildren( | |
| 104 const cc::BeginFrameArgs& args) { | |
| 105 } | |
| 106 | |
| 107 void SurfacesScheduler::SendBeginMainFrameNotExpectedSoon() { | |
| 108 } | |
| 109 | |
| 110 } // namespace mojo | |
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