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1 // Copyright 2016 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/exo/compositor_frame_sink_holder.h" | |
6 | |
7 #include "cc/resources/returned_resource.h" | |
8 #include "components/exo/surface.h" | |
9 | |
10 namespace exo { | |
11 | |
12 //////////////////////////////////////////////////////////////////////////////// | |
13 // CompositorFrameSinkHolder, public: | |
14 | |
15 CompositorFrameSinkHolder::CompositorFrameSinkHolder( | |
16 cc::mojom::MojoCompositorFrameSinkPtr compositor_frame_sink, | |
17 Surface* surface, | |
18 cc::mojom::MojoCompositorFrameSinkClientRequest request) | |
19 : compositor_frame_sink_(std::move(compositor_frame_sink)), | |
20 surface_(surface), | |
21 begin_frame_source_(base::MakeUnique<cc::ExternalBeginFrameSource>(this)), | |
22 binding_(this, std::move(request)), | |
23 weak_factory_(this) { | |
24 surface_->AddSurfaceObserver(this); | |
25 } | |
26 | |
27 bool CompositorFrameSinkHolder::HasReleaseCallbacksForResource( | |
28 cc::ResourceId id) { | |
29 return release_callbacks_.find(id) != release_callbacks_.end(); | |
30 } | |
31 | |
32 void CompositorFrameSinkHolder::AddResourceReleaseCallback( | |
33 cc::ResourceId id, | |
34 std::unique_ptr<cc::SingleReleaseCallback> callback) { | |
35 release_callbacks_[id] = std::make_pair(this, std::move(callback)); | |
36 } | |
37 | |
38 void CompositorFrameSinkHolder::ActivateFrameCallbacks( | |
39 std::list<FrameCallback>* frame_callbacks) { | |
40 active_frame_callbacks_.splice(active_frame_callbacks_.end(), | |
41 *frame_callbacks); | |
Fady Samuel
2016/12/07 20:27:16
UpdateNeedsBeginFrame after this line?
Alex Z.
2016/12/07 20:33:01
Done.
| |
42 } | |
43 | |
44 void CompositorFrameSinkHolder::CancelFrameCallbacks() { | |
45 // Call pending frame callbacks with a null frame time to indicate that they | |
46 // have been cancelled. | |
47 for (const auto& frame_callback : active_frame_callbacks_) | |
48 frame_callback.Run(base::TimeTicks()); | |
49 } | |
50 | |
51 void CompositorFrameSinkHolder::SetNeedsBeginFrame(bool needs_begin_frame) { | |
52 needs_begin_frame_ = needs_begin_frame; | |
53 OnNeedsBeginFrames(needs_begin_frame); | |
54 } | |
55 | |
56 //////////////////////////////////////////////////////////////////////////////// | |
57 // cc::mojom::MojoCompositorFrameSinkClient overrides: | |
58 | |
59 void CompositorFrameSinkHolder::DidReceiveCompositorFrameAck() { | |
60 // TODO(staraz): Implement this | |
61 } | |
62 | |
63 void CompositorFrameSinkHolder::OnBeginFrame(const cc::BeginFrameArgs& args) { | |
64 while (!active_frame_callbacks_.empty()) { | |
65 active_frame_callbacks_.front().Run(args.frame_time); | |
66 active_frame_callbacks_.pop_front(); | |
67 } | |
68 begin_frame_source_->OnBeginFrame(args); | |
69 } | |
70 | |
71 void CompositorFrameSinkHolder::ReclaimResources( | |
72 const cc::ReturnedResourceArray& resources) { | |
73 scoped_refptr<CompositorFrameSinkHolder> holder(this); | |
74 for (auto& resource : resources) { | |
75 auto it = release_callbacks_.find(resource.id); | |
76 DCHECK(it != release_callbacks_.end()); | |
77 it->second.second->Run(resource.sync_token, resource.lost); | |
78 release_callbacks_.erase(it); | |
79 } | |
80 } | |
81 | |
82 void CompositorFrameSinkHolder::WillDrawSurface() { | |
83 if (surface_) | |
84 surface_->WillDraw(); | |
85 | |
86 UpdateNeedsBeginFrame(); | |
87 } | |
88 | |
89 //////////////////////////////////////////////////////////////////////////////// | |
90 // cc::BeginFrameObserver overrides: | |
91 | |
92 const cc::BeginFrameArgs& CompositorFrameSinkHolder::LastUsedBeginFrameArgs() | |
93 const { | |
94 return last_begin_frame_args_; | |
95 } | |
96 | |
97 void CompositorFrameSinkHolder::OnBeginFrameSourcePausedChanged(bool paused) {} | |
98 | |
99 //////////////////////////////////////////////////////////////////////////////// | |
100 // cc::ExternalBeginFrameSouceClient overrides: | |
101 | |
102 void CompositorFrameSinkHolder::OnNeedsBeginFrames(bool needs_begin_frames) { | |
103 compositor_frame_sink_->SetNeedsBeginFrame(needs_begin_frames); | |
104 } | |
105 | |
106 //////////////////////////////////////////////////////////////////////////////// | |
107 // SurfaceObserver overrides: | |
108 | |
109 void CompositorFrameSinkHolder::OnSurfaceDestroying(Surface* surface) { | |
110 surface_->RemoveSurfaceObserver(this); | |
111 surface_ = nullptr; | |
112 } | |
113 | |
114 //////////////////////////////////////////////////////////////////////////////// | |
115 // ExoComopositorFrameSink, private: | |
116 | |
117 CompositorFrameSinkHolder::~CompositorFrameSinkHolder() {} | |
118 | |
119 void CompositorFrameSinkHolder::UpdateNeedsBeginFrame() { | |
120 if (!begin_frame_source_) | |
121 return; | |
122 | |
123 bool needs_begin_frame = !active_frame_callbacks_.empty(); | |
124 if (needs_begin_frame == needs_begin_frame_) | |
125 return; | |
126 | |
127 needs_begin_frame_ = needs_begin_frame; | |
128 OnNeedsBeginFrames(needs_begin_frame_); | |
129 } | |
130 | |
131 } // namespace exo | |
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