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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_COMPOSITOR_FRAME_SINK_HOLDER_H_ |
| 6 #define COMPONENTS_EXO_COMPOSITOR_FRAME_SINK_HOLDER_H_ |
| 7 |
| 8 #include <list> |
| 9 #include <map> |
| 10 #include <memory> |
| 11 |
| 12 #include "cc/ipc/mojo_compositor_frame_sink.mojom.h" |
| 13 #include "cc/resources/single_release_callback.h" |
| 14 #include "cc/resources/transferable_resource.h" |
| 15 #include "cc/scheduler/begin_frame_source.h" |
| 16 #include "components/exo/compositor_frame_sink.h" |
| 17 #include "mojo/public/cpp/bindings/binding.h" |
| 18 |
| 19 namespace exo { |
| 20 class Surface; |
| 21 |
| 22 using FrameCallback = base::Callback<void(base::TimeTicks frame_time)>; |
| 23 |
| 24 class CompositorFrameSinkHolder |
| 25 : public base::RefCounted<CompositorFrameSinkHolder>, |
| 26 public cc::ExternalBeginFrameSourceClient, |
| 27 public cc::mojom::MojoCompositorFrameSinkClient, |
| 28 public cc::BeginFrameObserver { |
| 29 public: |
| 30 CompositorFrameSinkHolder( |
| 31 cc::mojom::MojoCompositorFrameSinkPtr compositor_frame_sink, |
| 32 base::WeakPtr<Surface> surface, |
| 33 cc::mojom::MojoCompositorFrameSinkClientRequest request); |
| 34 |
| 35 bool HasReleaseCallbacks(cc::ResourceId id); |
| 36 bool IsReleaseCallbacksEmpty(); |
| 37 void AddResourceReleaseCallback( |
| 38 cc::ResourceId id, |
| 39 std::unique_ptr<cc::SingleReleaseCallback> callback); |
| 40 cc::mojom::MojoCompositorFrameSink* GetCompositorFrameSink() { |
| 41 return compositor_frame_sink_.get(); |
| 42 } |
| 43 |
| 44 void ActivateFrameCallbacks(std::list<FrameCallback>& frame_callbacks); |
| 45 void CancelFrameCallbacks(); |
| 46 |
| 47 void EvictFrame(); |
| 48 |
| 49 void SubmitCompositorFrame(const cc::LocalFrameId& local_frame_id, |
| 50 cc::CompositorFrame frame); |
| 51 void SetNeedsBeginFrame(bool needs_begin_frame); |
| 52 |
| 53 // cc::mojom::MojoCompositorFrameSinkClient: |
| 54 void DidReceiveCompositorFrameAck() override; |
| 55 void OnBeginFrame(const cc::BeginFrameArgs& args) override; |
| 56 void ReclaimResources(const cc::ReturnedResourceArray& resources) override; |
| 57 void WillDrawSurface() override; |
| 58 |
| 59 // cc::BeginFrameObserver: |
| 60 const cc::BeginFrameArgs& LastUsedBeginFrameArgs() const override; |
| 61 void OnBeginFrameSourcePausedChanged(bool paused) override; |
| 62 |
| 63 private: |
| 64 friend class base::RefCounted<CompositorFrameSinkHolder>; |
| 65 |
| 66 ~CompositorFrameSinkHolder() override; |
| 67 |
| 68 void UpdateNeedsBeginFrame(); |
| 69 |
| 70 // cc::ExternalBeginFrameSouceClient: |
| 71 void OnNeedsBeginFrames(bool needs_begin_frames) override; |
| 72 |
| 73 using ResourceReleaseCallbacks = |
| 74 std::map<int, |
| 75 std::pair<scoped_refptr<CompositorFrameSinkHolder>, |
| 76 std::unique_ptr<cc::SingleReleaseCallback>>>; |
| 77 ResourceReleaseCallbacks release_callbacks_; |
| 78 |
| 79 cc::mojom::MojoCompositorFrameSinkPtr compositor_frame_sink_; |
| 80 |
| 81 base::WeakPtr<Surface> surface_; |
| 82 |
| 83 std::list<FrameCallback> active_frame_callbacks_; |
| 84 |
| 85 std::unique_ptr<cc::ExternalBeginFrameSource> begin_frame_source_; |
| 86 |
| 87 bool needs_begin_frame_ = false; |
| 88 |
| 89 cc::BeginFrameArgs last_begin_frame_args_; |
| 90 |
| 91 mojo::Binding<cc::mojom::MojoCompositorFrameSinkClient> binding_; |
| 92 |
| 93 DISALLOW_COPY_AND_ASSIGN(CompositorFrameSinkHolder); |
| 94 }; |
| 95 |
| 96 } // namespace exo |
| 97 |
| 98 #endif // COMPONENTS_EXO_COMPOSITOR_FRAME_SINK_HOLDER_H_ |
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