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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/exo_compositor_frame_sink.h" | |
6 | |
7 #include "cc/surfaces/surface_manager.h" | |
8 #include "components/exo/compositor_frame_sink_holder.h" | |
Fady Samuel
2016/11/23 14:39:02
You don't need this.
Alex Z.
2016/11/23 15:27:40
Done.
| |
9 #include "ui/aura/env.h" | |
Fady Samuel
2016/11/23 14:39:02
You don't need this.
Alex Z.
2016/11/23 15:27:40
Done.
| |
10 | |
11 namespace exo { | |
12 | |
13 //////////////////////////////////////////////////////////////////////////////// | |
14 // ExoComopositorFrameSink, public: | |
15 | |
16 ExoCompositorFrameSink::ExoCompositorFrameSink( | |
17 const cc::FrameSinkId& frame_sink_id, | |
18 cc::SurfaceManager* surface_manager, | |
19 cc::mojom::MojoCompositorFrameSinkClientPtr client) | |
20 : frame_sink_id_(frame_sink_id), | |
21 surface_manager_(surface_manager), | |
22 surface_factory_(frame_sink_id, surface_manager, this), | |
23 client_(std::move(client)) { | |
24 surface_manager_->RegisterFrameSinkId(frame_sink_id_); | |
25 surface_manager_->RegisterSurfaceFactoryClient(frame_sink_id_, this); | |
26 } | |
27 | |
28 ExoCompositorFrameSink::~ExoCompositorFrameSink() { | |
29 if (begin_frame_source_ && needs_begin_frame_) | |
30 begin_frame_source_->RemoveObserver(this); | |
31 if (last_local_frame_id_.is_valid()) | |
32 surface_factory_.Destroy(last_local_frame_id_); | |
33 | |
34 surface_manager_->UnregisterSurfaceFactoryClient(frame_sink_id_); | |
35 | |
36 surface_manager_->InvalidateFrameSinkId(frame_sink_id_); | |
37 } | |
38 | |
39 //////////////////////////////////////////////////////////////////////////////// | |
40 // cc::SurfaceFactoryClient overrides: | |
41 | |
42 void ExoCompositorFrameSink::ReturnResources( | |
43 const cc::ReturnedResourceArray& resources) { | |
44 if (resources.empty()) { | |
45 return; | |
46 } | |
47 | |
48 if (!ack_pending_count_ && client_) { | |
49 client_->ReclaimResources(resources); | |
50 return; | |
51 } | |
52 | |
53 std::copy(resources.begin(), resources.end(), | |
54 std::back_inserter(surface_returned_resources_)); | |
55 } | |
56 | |
57 void ExoCompositorFrameSink::WillDrawSurface(const cc::LocalFrameId& id, | |
58 const gfx::Rect& damage_rect) { | |
59 if (client_) | |
60 client_->WillDrawSurface(); | |
61 } | |
62 | |
63 void ExoCompositorFrameSink::SetBeginFrameSource( | |
64 cc::BeginFrameSource* begin_frame_source) { | |
65 if (begin_frame_source_ && added_frame_observer_) { | |
66 begin_frame_source_->RemoveObserver(this); | |
67 added_frame_observer_ = false; | |
68 } | |
69 begin_frame_source_ = begin_frame_source; | |
70 UpdateNeedsBeginFrameInternal(); | |
71 } | |
72 | |
73 //////////////////////////////////////////////////////////////////////////////// | |
74 // To be cc::mojom::MojoCompositorFrameSink overrides: | |
75 | |
76 void ExoCompositorFrameSink::SubmitCompositorFrame( | |
77 const cc::LocalFrameId& local_frame_id, | |
78 cc::CompositorFrame frame) { | |
79 if (local_frame_id != last_local_frame_id_) { | |
80 surface_factory_.Create(local_frame_id); | |
81 } | |
82 ++ack_pending_count_; | |
83 surface_factory_.SubmitCompositorFrame( | |
84 local_frame_id, std::move(frame), | |
85 base::Bind(&ExoCompositorFrameSink::DidReceiveCompositorFrameAck, | |
86 base::Unretained(this))); | |
87 if (last_local_frame_id_.is_valid() && | |
88 local_frame_id != last_local_frame_id_) { | |
89 surface_factory_.SetPreviousFrameSurface(local_frame_id, | |
90 last_local_frame_id_); | |
91 surface_factory_.Destroy(last_local_frame_id_); | |
92 } | |
93 last_local_frame_id_ = local_frame_id; | |
94 } | |
95 | |
96 //////////////////////////////////////////////////////////////////////////////// | |
97 // cc::BeginFrameObserver overrides: | |
98 | |
99 void ExoCompositorFrameSink::OnBeginFrame(const cc::BeginFrameArgs& args) { | |
100 UpdateNeedsBeginFrameInternal(); | |
101 last_begin_frame_args_ = args; | |
102 } | |
103 | |
104 const cc::BeginFrameArgs& ExoCompositorFrameSink::LastUsedBeginFrameArgs() | |
105 const { | |
106 return last_begin_frame_args_; | |
107 } | |
108 | |
109 void ExoCompositorFrameSink::OnBeginFrameSourcePausedChanged(bool paused) {} | |
110 | |
111 //////////////////////////////////////////////////////////////////////////////// | |
112 // ExoComopositorFrameSink, private: | |
113 | |
114 void ExoCompositorFrameSink::UpdateNeedsBeginFrameInternal() { | |
115 if (!begin_frame_source_) | |
116 return; | |
117 | |
118 if (needs_begin_frame_ == added_frame_observer_) | |
119 return; | |
120 | |
121 added_frame_observer_ = needs_begin_frame_; | |
122 if (needs_begin_frame_) | |
123 begin_frame_source_->AddObserver(this); | |
124 else | |
125 begin_frame_source_->RemoveObserver(this); | |
126 } | |
127 | |
128 void ExoCompositorFrameSink::DidReceiveCompositorFrameAck() { | |
129 if (!client_) | |
130 return; | |
131 client_->DidReceiveCompositorFrameAck(); | |
132 DCHECK_GT(ack_pending_count_, 0); | |
133 if (!surface_returned_resources_.empty()) { | |
134 client_->ReclaimResources(surface_returned_resources_); | |
135 surface_returned_resources_.clear(); | |
136 } | |
137 ack_pending_count_--; | |
138 } | |
139 | |
140 } // namespace exo | |
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