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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 Surface* surface, | |
17 std::unique_ptr<CompositorFrameSink> frame_sink, | |
18 cc::mojom::MojoCompositorFrameSinkClientRequest request) | |
19 : surface_(surface), | |
20 frame_sink_(std::move(frame_sink)), | |
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::HasReleaseCallbackForResource( | |
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); | |
42 UpdateNeedsBeginFrame(); | |
43 } | |
44 | |
45 void CompositorFrameSinkHolder::CancelFrameCallbacks() { | |
46 // Call pending frame callbacks with a null frame time to indicate that they | |
47 // have been cancelled. | |
48 for (const auto& frame_callback : active_frame_callbacks_) | |
49 frame_callback.Run(base::TimeTicks()); | |
50 } | |
51 | |
52 void CompositorFrameSinkHolder::SetNeedsBeginFrame(bool needs_begin_frame) { | |
53 needs_begin_frame_ = needs_begin_frame; | |
54 OnNeedsBeginFrames(needs_begin_frame); | |
55 } | |
56 | |
57 void CompositorFrameSinkHolder::Satisfy(const cc::SurfaceSequence& sequence) { | |
58 frame_sink_->Satisfy(sequence); | |
59 } | |
60 | |
61 void CompositorFrameSinkHolder::Require(const cc::SurfaceId& id, | |
62 const cc::SurfaceSequence& sequence) { | |
63 frame_sink_->Require(id.local_frame_id(), sequence); | |
64 } | |
65 | |
66 //////////////////////////////////////////////////////////////////////////////// | |
67 // cc::mojom::MojoCompositorFrameSinkClient overrides: | |
68 | |
69 void CompositorFrameSinkHolder::DidReceiveCompositorFrameAck() { | |
70 // TODO(staraz): Implement this | |
71 } | |
72 | |
73 void CompositorFrameSinkHolder::OnBeginFrame(const cc::BeginFrameArgs& args) { | |
74 while (!active_frame_callbacks_.empty()) { | |
75 active_frame_callbacks_.front().Run(args.frame_time); | |
76 active_frame_callbacks_.pop_front(); | |
77 } | |
78 begin_frame_source_->OnBeginFrame(args); | |
79 } | |
80 | |
81 void CompositorFrameSinkHolder::ReclaimResources( | |
82 const cc::ReturnedResourceArray& resources) { | |
83 for (auto& resource : resources) { | |
84 auto it = release_callbacks_.find(resource.id); | |
85 DCHECK(it != release_callbacks_.end()); | |
86 std::unique_ptr<cc::SingleReleaseCallback> callback = | |
87 std::move(it->second.second); | |
88 release_callbacks_.erase(it); | |
89 callback->Run(resource.sync_token, resource.lost); | |
90 } | |
91 } | |
92 | |
93 void CompositorFrameSinkHolder::WillDrawSurface() { | |
94 if (surface_) | |
95 surface_->WillDraw(); | |
96 | |
97 UpdateNeedsBeginFrame(); | |
98 } | |
99 | |
100 //////////////////////////////////////////////////////////////////////////////// | |
101 // cc::BeginFrameObserver overrides: | |
102 | |
103 const cc::BeginFrameArgs& CompositorFrameSinkHolder::LastUsedBeginFrameArgs() | |
104 const { | |
105 return last_begin_frame_args_; | |
106 } | |
107 | |
108 void CompositorFrameSinkHolder::OnBeginFrameSourcePausedChanged(bool paused) {} | |
109 | |
110 //////////////////////////////////////////////////////////////////////////////// | |
111 // cc::ExternalBeginFrameSouceClient overrides: | |
112 | |
113 void CompositorFrameSinkHolder::OnNeedsBeginFrames(bool needs_begin_frames) { | |
114 frame_sink_->SetNeedsBeginFrame(needs_begin_frames); | |
115 } | |
116 | |
117 //////////////////////////////////////////////////////////////////////////////// | |
118 // SurfaceObserver overrides: | |
119 | |
120 void CompositorFrameSinkHolder::OnSurfaceDestroying(Surface* surface) { | |
121 surface_->RemoveSurfaceObserver(this); | |
122 surface_ = nullptr; | |
123 } | |
124 | |
125 //////////////////////////////////////////////////////////////////////////////// | |
126 // ExoComopositorFrameSink, private: | |
127 | |
128 CompositorFrameSinkHolder::~CompositorFrameSinkHolder() {} | |
129 | |
130 void CompositorFrameSinkHolder::UpdateNeedsBeginFrame() { | |
131 if (!begin_frame_source_) | |
132 return; | |
133 | |
134 bool needs_begin_frame = !active_frame_callbacks_.empty(); | |
135 if (needs_begin_frame == needs_begin_frame_) | |
136 return; | |
137 | |
138 needs_begin_frame_ = needs_begin_frame; | |
139 OnNeedsBeginFrames(needs_begin_frame_); | |
140 } | |
141 | |
142 } // namespace exo | |
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