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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" | |
9 #include "ui/aura/env.h" | |
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 CompositorFrameSinkHolder* 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 //////////////////////////////////////////////////////////////////////////////// | |
29 // cc::SurfaceFactoryClient overrides: | |
30 | |
31 void ExoCompositorFrameSink::ReturnResources( | |
32 const cc::ReturnedResourceArray& resources) { | |
33 // TODO(staraz): !ack_pending_count_ | |
Fady Samuel
2016/11/17 21:42:54
Fix this now? This should be a copy-and-paste from
Alex Z.
2016/11/23 14:25:04
Done.
| |
34 if (client_) { | |
35 client_->ReclaimResources(resources); | |
36 } | |
37 } | |
38 | |
39 void ExoCompositorFrameSink::WillDrawSurface(const cc::LocalFrameId& id, | |
40 const gfx::Rect& damage_rect) {} | |
41 | |
42 void ExoCompositorFrameSink::SetBeginFrameSource( | |
43 cc::BeginFrameSource* begin_frame_source) { | |
44 if (begin_frame_source_ && added_frame_observer_) { | |
45 begin_frame_source_->RemoveObserver(this); | |
46 added_frame_observer_ = false; | |
47 } | |
48 begin_frame_source_ = begin_frame_source; | |
49 UpdateNeedsBeginFrameInternal(); | |
50 } | |
51 | |
52 //////////////////////////////////////////////////////////////////////////////// | |
53 // To be cc::mojom::MojoCompositorFrameSink overrides: | |
54 | |
55 void ExoCompositorFrameSink::SubmitCompositorFrame( | |
56 const cc::LocalFrameId& local_frame_id, | |
57 cc::CompositorFrame frame) { | |
58 if (local_frame_id != last_local_frame_id_) { | |
59 surface_factory_.Create(local_frame_id); | |
60 } | |
61 ++ack_pending_count_; | |
62 surface_factory_.SubmitCompositorFrame(local_frame_id, std::move(frame), | |
63 cc::SurfaceFactory::DrawCallback()); | |
64 if (last_local_frame_id_.is_valid() && | |
65 local_frame_id != last_local_frame_id_) { | |
66 surface_factory_.SetPreviousFrameSurface(local_frame_id, | |
67 last_local_frame_id_); | |
68 surface_factory_.Destroy(last_local_frame_id_); | |
69 } | |
70 last_local_frame_id_ = local_frame_id; | |
71 } | |
72 | |
73 //////////////////////////////////////////////////////////////////////////////// | |
74 // cc::BeginFrameObserver overrides: | |
75 | |
76 void ExoCompositorFrameSink::OnBeginFrame(const cc::BeginFrameArgs& args) { | |
77 UpdateNeedsBeginFrameInternal(); | |
78 last_begin_frame_args_ = args; | |
79 } | |
80 | |
81 const cc::BeginFrameArgs& ExoCompositorFrameSink::LastUsedBeginFrameArgs() | |
82 const { | |
83 return last_begin_frame_args_; | |
84 } | |
85 | |
86 void ExoCompositorFrameSink::OnBeginFrameSourcePausedChanged(bool paused) {} | |
87 | |
88 //////////////////////////////////////////////////////////////////////////////// | |
89 // ExoComopositorFrameSink, private: | |
90 | |
91 ExoCompositorFrameSink::~ExoCompositorFrameSink() { | |
92 surface_manager_->UnregisterSurfaceFactoryClient(frame_sink_id_); | |
93 if (last_local_frame_id_.is_valid()) | |
Fady Samuel
2016/11/17 21:42:54
do this before UnregisterSurfaceFactoryClient.
Alex Z.
2016/11/23 14:25:04
Done.
| |
94 surface_factory_.Destroy(last_local_frame_id_); | |
95 | |
96 if (surface_factory_.manager()) | |
97 surface_factory_.manager()->InvalidateFrameSinkId(frame_sink_id_); | |
98 } | |
99 | |
100 void ExoCompositorFrameSink::UpdateNeedsBeginFrameInternal() { | |
101 if (!begin_frame_source_) | |
102 return; | |
103 | |
104 if (needs_begin_frame_ == added_frame_observer_) | |
105 return; | |
106 | |
107 added_frame_observer_ = needs_begin_frame_; | |
108 if (needs_begin_frame_) | |
109 begin_frame_source_->AddObserver(this); | |
110 else | |
111 begin_frame_source_->RemoveObserver(this); | |
112 } | |
113 | |
114 void ExoCompositorFrameSink::DidRecieveCompositorFrameAck() { | |
115 // TODO(staraz): Clean up resources | |
116 // What should call this? | |
117 if (!client_) | |
118 return; | |
119 client_->DidReceiveCompositorFrameAck(); | |
120 DCHECK_GT(ack_pending_count_, 0); | |
121 if (!surface_returned_resources_.empty()) { | |
122 client_->ReclaimResources(surface_returned_resources_); | |
123 } | |
124 ack_pending_count_--; | |
125 } | |
126 | |
127 } // namespace exo | |
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