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1 // Copyright 2015 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 SERVICES_UI_WS_GPU_COMPOSITOR_FRAME_SINK_H_ | |
6 #define SERVICES_UI_WS_GPU_COMPOSITOR_FRAME_SINK_H_ | |
7 | |
8 #include <memory> | |
9 #include <set> | |
10 | |
11 #include "base/macros.h" | |
12 #include "base/memory/ref_counted.h" | |
13 #include "cc/ipc/compositor_frame.mojom.h" | |
14 #include "cc/ipc/mojo_compositor_frame_sink.mojom.h" | |
15 #include "cc/output/context_provider.h" | |
16 #include "cc/scheduler/begin_frame_source.h" | |
17 #include "cc/surfaces/display.h" | |
18 #include "cc/surfaces/display_client.h" | |
19 #include "cc/surfaces/frame_sink_id.h" | |
20 #include "cc/surfaces/surface_factory.h" | |
21 #include "cc/surfaces/surface_factory_client.h" | |
22 #include "cc/surfaces/surface_id.h" | |
23 #include "cc/surfaces/surface_id_allocator.h" | |
24 #include "mojo/public/cpp/bindings/binding.h" | |
25 #include "services/ui/surfaces/surfaces_context_provider.h" | |
26 | |
27 namespace base { | |
28 class SingleThreadTaskRunner; | |
29 } | |
30 | |
31 namespace gpu { | |
32 class GpuMemoryBufferManager; | |
33 } | |
34 | |
35 namespace ui { | |
36 | |
37 class DisplayCompositor; | |
38 | |
39 namespace ws { | |
40 | |
41 // Server side representation of a WindowSurface. | |
42 class GpuCompositorFrameSink : public cc::mojom::MojoCompositorFrameSink, | |
43 public cc::DisplayClient, | |
44 public cc::mojom::MojoCompositorFrameSinkPrivate, | |
45 public cc::SurfaceFactoryClient, | |
46 public cc::BeginFrameObserver { | |
47 public: | |
48 // TODO(fsamuel): DisplayCompositor should own | |
49 // GpuCompositorFrameSink. GpuCompositorFrameSink should not | |
50 // refer to GpuCompositorFrameSinkManager. | |
51 GpuCompositorFrameSink( | |
52 scoped_refptr<DisplayCompositor> display_compositor, | |
53 const cc::FrameSinkId& frame_sink_id, | |
54 gfx::AcceleratedWidget widget, | |
55 gpu::GpuMemoryBufferManager* gpu_memory_buffer_manager, | |
56 scoped_refptr<SurfacesContextProvider> context_provider, | |
57 cc::mojom::MojoCompositorFrameSinkRequest request, | |
58 cc::mojom::MojoCompositorFrameSinkPrivateRequest private_request, | |
59 cc::mojom::MojoCompositorFrameSinkClientPtr client); | |
60 | |
61 ~GpuCompositorFrameSink() override; | |
62 | |
63 // cc::mojom::MojoCompositorFrameSink: | |
64 void SetNeedsBeginFrame(bool needs_begin_frame) override; | |
65 void SubmitCompositorFrame(cc::CompositorFrame frame) override; | |
66 | |
67 // cc::mojom::MojoCompositorFrameSinkPrivate: | |
68 void AddChildFrameSink(const cc::FrameSinkId& child_frame_sink_id) override; | |
69 void RemoveChildFrameSink( | |
70 const cc::FrameSinkId& child_frame_sink_id) override; | |
71 | |
72 private: | |
73 void InitDisplay(gfx::AcceleratedWidget widget, | |
74 gpu::GpuMemoryBufferManager* gpu_memory_buffer_manager, | |
75 scoped_refptr<SurfacesContextProvider> context_provider); | |
76 | |
77 void DidReceiveCompositorFrameAck(); | |
78 | |
79 // cc::DisplayClient implementation. | |
80 void DisplayOutputSurfaceLost() override; | |
81 void DisplayWillDrawAndSwap(bool will_draw_and_swap, | |
82 const cc::RenderPassList& render_passes) override; | |
83 void DisplayDidDrawAndSwap() override; | |
84 | |
85 // cc::SurfaceFactoryClient implementation. | |
86 void ReturnResources(const cc::ReturnedResourceArray& resources) override; | |
87 void SetBeginFrameSource(cc::BeginFrameSource* begin_frame_source) override; | |
88 | |
89 // cc::BeginFrameObserver implementation. | |
90 void OnBeginFrame(const cc::BeginFrameArgs& args) override; | |
91 const cc::BeginFrameArgs& LastUsedBeginFrameArgs() const override; | |
92 void OnBeginFrameSourcePausedChanged(bool paused) override; | |
93 | |
94 void UpdateNeedsBeginFramesInternal(); | |
95 | |
96 const cc::FrameSinkId frame_sink_id_; | |
97 scoped_refptr<base::SingleThreadTaskRunner> task_runner_; | |
98 | |
99 // TODO(fsamuel): We hold a reference to DisplayCompositor so we can talk to | |
100 // SurfaceManager in the destructor. In the future, DisplayCompositor will own | |
101 // GpuCompositorFrameSink. | |
102 scoped_refptr<DisplayCompositor> display_compositor_; | |
103 | |
104 gfx::Size last_submitted_frame_size_; | |
105 // GpuCompositorFrameSink holds a cc::Display if it created with | |
106 // non-null gfx::AcceleratedWidget. In the window server, the display root | |
107 // window's CompositorFrameSink will have a valid gfx::AcceleratedWidget. | |
108 std::unique_ptr<cc::Display> display_; | |
109 | |
110 cc::LocalFrameId local_frame_id_; | |
111 cc::SurfaceIdAllocator surface_id_allocator_; | |
112 cc::SurfaceFactory surface_factory_; | |
113 // Counts the number of CompositorFrames that have been submitted and have not | |
114 // yet received an ACK. | |
115 int ack_pending_count_ = 0; | |
116 cc::ReturnedResourceArray surface_returned_resources_; | |
117 | |
118 // The begin frame source being observered. Null if none. | |
119 cc::BeginFrameSource* begin_frame_source_ = nullptr; | |
120 | |
121 // The last begin frame args generated by the begin frame source. | |
122 cc::BeginFrameArgs last_begin_frame_args_; | |
123 | |
124 // Whether a request for begin frames has been issued. | |
125 bool needs_begin_frame_ = false; | |
126 | |
127 // Whether or not a frame observer has been added. | |
128 bool added_frame_observer_ = false; | |
129 | |
130 cc::mojom::MojoCompositorFrameSinkClientPtr client_; | |
131 mojo::Binding<cc::mojom::MojoCompositorFrameSink> binding_; | |
132 mojo::Binding<cc::mojom::MojoCompositorFrameSinkPrivate> private_binding_; | |
133 | |
134 DISALLOW_COPY_AND_ASSIGN(GpuCompositorFrameSink); | |
135 }; | |
136 | |
137 } // namespace ws | |
138 | |
139 } // namespace ui | |
140 | |
141 #endif // SERVICES_UI_WS_GPU_COMPOSITOR_FRAME_SINK_H_ | |
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