OLD | NEW |
---|---|
(Empty) | |
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_MUS_SURFACES_DISPLAY_COMPOSITOR_H_ | |
6 #define COMPONENTS_MUS_SURFACES_DISPLAY_COMPOSITOR_H_ | |
7 | |
8 #include "cc/surfaces/surface.h" | |
9 #include "cc/surfaces/surface_factory.h" | |
10 #include "cc/surfaces/surface_factory_client.h" | |
11 #include "cc/surfaces/surface_id_allocator.h" | |
12 #include "components/mus/gles2/gpu_state.h" | |
13 #include "components/mus/surfaces/surfaces_state.h" | |
14 #include "ui/gfx/native_widget_types.h" | |
15 | |
16 namespace mus { | |
17 | |
18 class TopLevelDisplayClient; | |
19 | |
20 // TODO(fsamuel): This should become a mojo interface for the mus-gpu split. | |
21 // TODO(fsamuel): This should not be a SurfaceFactoryClient. | |
22 // The DisplayCompositor receives CompositorFrames from all sources, | |
23 // creates a top-level CompositorFrame once per tick, and generates graphical | |
24 // output. | |
25 class DisplayCompositor : public cc::SurfaceFactoryClient { | |
26 public: | |
27 DisplayCompositor(scoped_refptr<base::SingleThreadTaskRunner> task_runner, | |
28 gfx::AcceleratedWidget widget, | |
29 const scoped_refptr<GpuState>& gpu_state, | |
30 const scoped_refptr<SurfacesState>& surfaces_state); | |
31 ~DisplayCompositor() override; | |
32 | |
33 // DisplayCompositor embedders submit a CompositorFrame when content on the | |
34 // display should be changed. A well-behaving embedder should only submit | |
35 // a CompositorFrame once per BeginFrame tick. The callback is called the | |
36 // first time this frame is used to draw, or if the frame is discarded. | |
37 void SubmitCompositorFrame( | |
38 std::unique_ptr<cc::CompositorFrame> frame, | |
39 const base::Callback<void(cc::SurfaceDrawStatus)>& callback); | |
40 | |
41 // TODO(fsamuel): This is used for surface hittesting and should not be | |
42 // exposed outside of DisplayCompositor. | |
43 const cc::SurfaceId& surface_id() const { return surface_id_; } | |
44 | |
45 // This requests the display CompositorFrame be renderer and given to the | |
rjkroege
2016/05/13 20:39:35
"be renderer"? "be rendered" maybe?
Fady Samuel
2016/05/13 22:45:27
Done.
| |
46 // callback within CopyOutputRequest. | |
47 void RequestCopyOfOutput( | |
48 std::unique_ptr<cc::CopyOutputRequest> output_request); | |
49 | |
50 // TODO(fsamuel): Invent an async way to create a SurfaceNamespace | |
51 // A SurfaceNamespace can create CompositorFrameSinks where the client can | |
52 // make up the ID. | |
53 | |
54 private: | |
55 // SurfaceFactoryClient implementation. | |
56 void ReturnResources(const cc::ReturnedResourceArray& resources) override; | |
57 void SetBeginFrameSource(cc::BeginFrameSource* begin_frame_source) override; | |
58 | |
59 scoped_refptr<base::SingleThreadTaskRunner> task_runner_; | |
60 scoped_refptr<SurfacesState> surfaces_state_; | |
61 cc::SurfaceFactory factory_; | |
62 cc::SurfaceIdAllocator allocator_; | |
63 cc::SurfaceId surface_id_; | |
64 | |
65 gfx::Size display_size_; | |
66 std::unique_ptr<TopLevelDisplayClient> display_client_; | |
67 DISALLOW_COPY_AND_ASSIGN(DisplayCompositor); | |
68 }; | |
69 | |
70 } // namespace mus | |
71 | |
72 #endif // COMPONENTS_MUS_SURFACES_DISPLAY_COMPOSITOR_H_ | |
OLD | NEW |