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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 #ifndef COMPONENTS_EXO_EXO_COMPOSITOR_FRAME_SINK_H_ | |
6 #define COMPONENTS_EXO_EXO_COMPOSITOR_FRAME_SINK_H_ | |
7 | |
8 #include <list> | |
9 #include <memory> | |
10 #include <set> | |
11 #include <utility> | |
12 | |
13 #include "base/callback.h" | |
14 #include "base/macros.h" | |
15 #include "base/memory/ref_counted.h" | |
16 #include "base/memory/weak_ptr.h" | |
17 #include "base/observer_list.h" | |
18 #include "cc/ipc/compositor_frame.mojom.h" | |
19 #include "cc/ipc/mojo_compositor_frame_sink.mojom.h" | |
20 #include "cc/resources/transferable_resource.h" | |
21 #include "cc/scheduler/begin_frame_source.h" | |
22 #include "cc/surfaces/surface_factory.h" | |
23 #include "cc/surfaces/surface_factory_client.h" | |
24 #include "cc/surfaces/surface_id_allocator.h" | |
25 #include "mojo/public/cpp/bindings/binding.h" | |
26 #include "third_party/skia/include/core/SkRegion.h" | |
27 #include "third_party/skia/include/core/SkXfermode.h" | |
28 #include "ui/aura/window.h" | |
29 #include "ui/aura/window_observer.h" | |
30 #include "ui/gfx/geometry/rect.h" | |
31 | |
32 namespace cc { | |
33 class SurfaceFactory; | |
34 } | |
35 | |
36 namespace exo { | |
37 class CompositorFrameSinkHolder; | |
38 | |
39 // This class owns the SurfaceFactory and keeps track of references to the | |
40 // contents of Buffers. It's keeped alive by references from | |
41 // release_callbacks_. It's destroyed when its owning Surface is destroyed and | |
42 // the last outstanding release callback is called. | |
43 class ExoCompositorFrameSink : public base::RefCounted<ExoCompositorFrameSink>, | |
Fady Samuel
2016/11/17 21:42:54
Does this need to be refcounted?
Alex Z.
2016/12/07 21:13:43
Done.
| |
44 public cc::SurfaceFactoryClient, | |
45 public cc::BeginFrameObserver { | |
46 public: | |
47 ExoCompositorFrameSink(const cc::FrameSinkId& frame_sink_id, | |
48 cc::SurfaceManager* surface_manager, | |
49 CompositorFrameSinkHolder* client); | |
50 | |
51 // To be cc::mojom::MojoCompositorFrameSink: | |
52 void SubmitCompositorFrame(const cc::LocalFrameId& local_frame_id, | |
53 cc::CompositorFrame frame); | |
54 | |
55 private: | |
56 friend class base::RefCounted<ExoCompositorFrameSink>; | |
57 | |
58 ~ExoCompositorFrameSink() override; | |
59 void UpdateNeedsBeginFrameInternal(); | |
60 void DidRecieveCompositorFrameAck(); | |
61 | |
62 // cc::SurfaceFactoryClient: | |
63 void ReturnResources(const cc::ReturnedResourceArray& resources) override; | |
64 void WillDrawSurface(const cc::LocalFrameId& id, | |
65 const gfx::Rect& damage_rect) override; | |
66 void SetBeginFrameSource(cc::BeginFrameSource* begin_frame_source) override; | |
67 | |
68 // cc::BeginFrameObserver: | |
69 void OnBeginFrame(const cc::BeginFrameArgs& args) override; | |
70 const cc::BeginFrameArgs& LastUsedBeginFrameArgs() const override; | |
71 void OnBeginFrameSourcePausedChanged(bool paused) override; | |
72 | |
73 const cc::FrameSinkId frame_sink_id_; | |
74 cc::LocalFrameId last_local_frame_id_; | |
75 | |
76 cc::SurfaceManager* surface_manager_; | |
77 cc::SurfaceFactory surface_factory_; | |
78 | |
79 // TODO(staraz): This should be cc::mojom::MojoCompositorFrameSinkClientPtr | |
80 scoped_refptr<CompositorFrameSinkHolder> client_; | |
jbauman
2016/11/17 22:47:37
This is backwards. The CompositorFrameSinkHolder n
Alex Z.
2016/11/23 14:25:04
Done.
| |
81 | |
82 int ack_pending_count_ = 0; | |
83 cc::ReturnedResourceArray surface_returned_resources_; | |
84 | |
85 cc::BeginFrameSource* begin_frame_source_ = nullptr; | |
86 | |
87 gfx::Size last_submitted_frame_size_; | |
88 | |
89 cc::BeginFrameArgs last_begin_frame_args_; | |
90 | |
91 bool needs_begin_frame_ = false; | |
92 bool added_frame_observer_ = false; | |
93 | |
94 DISALLOW_COPY_AND_ASSIGN(ExoCompositorFrameSink); | |
95 }; | |
96 | |
97 } // namespace exo | |
98 | |
99 #endif // COMPONENTS_EXO_EXO_COMPOSITOR_FRAME_SINK_H_ | |
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