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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 SERVICES_UI_SURFACES_DISPLAY_COMPOSITOR_FRAME_SINK_H_ | |
| 6 #define SERVICES_UI_SURFACES_DISPLAY_COMPOSITOR_FRAME_SINK_H_ | |
| 7 | |
| 8 #include "cc/surfaces/display_client.h" | |
| 9 #include "cc/surfaces/surface.h" | |
| 10 #include "cc/surfaces/surface_factory.h" | |
| 11 #include "cc/surfaces/surface_factory_client.h" | |
| 12 #include "cc/surfaces/surface_id_allocator.h" | |
| 13 #include "services/ui/surfaces/display_compositor.h" | |
| 14 #include "ui/gfx/native_widget_types.h" | |
| 15 | |
| 16 namespace cc { | |
| 17 class Display; | |
| 18 } | |
| 19 | |
| 20 namespace gpu { | |
| 21 class GpuChannelHost; | |
| 22 } | |
| 23 | |
| 24 namespace ui { | |
| 25 | |
| 26 // TODO(fsamuel): This should become a mojo interface for the mus-gpu split. | |
| 27 // TODO(fsamuel): This should not be a SurfaceFactoryClient. | |
| 28 // The DisplayCompositorFrameSink receives CompositorFrames from all sources, | |
| 29 // creates a top-level CompositorFrame once per tick, and generates graphical | |
| 30 // output. | |
| 31 class DisplayCompositorFrameSink : public cc::SurfaceFactoryClient, | |
| 32 public cc::DisplayClient { | |
| 33 public: | |
| 34 DisplayCompositorFrameSink( | |
| 35 const cc::FrameSinkId& frame_sink_id, | |
| 36 scoped_refptr<base::SingleThreadTaskRunner> task_runner, | |
| 37 gfx::AcceleratedWidget widget, | |
| 38 scoped_refptr<gpu::GpuChannelHost> gpu_channel, | |
| 39 const scoped_refptr<DisplayCompositor>& display_compositor); | |
| 40 ~DisplayCompositorFrameSink() override; | |
| 41 | |
| 42 // DisplayCompositorFrameSink embedders submit a CompositorFrame when content | |
| 43 // on the display should be changed. A well-behaving embedder should only | |
| 44 // submit a CompositorFrame once per BeginFrame tick. The callback is called | |
| 45 // the first time this frame is used to draw, or if the frame is discarded. | |
| 46 void SubmitCompositorFrame(cc::CompositorFrame frame, | |
| 47 const base::Callback<void()>& callback); | |
| 48 | |
| 49 // TODO(fsamuel): This is used for surface hittesting and should not be | |
| 50 // exposed outside of DisplayCompositorFrameSink. | |
| 51 const cc::LocalFrameId& local_frame_id() const { return local_frame_id_; } | |
| 52 | |
| 53 private: | |
| 54 // SurfaceFactoryClient implementation. | |
| 55 void ReturnResources(const cc::ReturnedResourceArray& resources) override; | |
| 56 void SetBeginFrameSource(cc::BeginFrameSource* begin_frame_source) override; | |
| 57 | |
| 58 // DisplayClient implementation. | |
| 59 void DisplayOutputSurfaceLost() override; | |
| 60 void DisplayWillDrawAndSwap(bool will_draw_and_swap, | |
| 61 const cc::RenderPassList& render_passes) override; | |
| 62 void DisplayDidDrawAndSwap() override; | |
| 63 | |
| 64 const cc::FrameSinkId frame_sink_id_; | |
| 65 scoped_refptr<base::SingleThreadTaskRunner> task_runner_; | |
| 66 scoped_refptr<DisplayCompositor> display_compositor_; | |
| 67 cc::SurfaceFactory factory_; | |
| 68 cc::SurfaceIdAllocator allocator_; | |
| 69 cc::LocalFrameId local_frame_id_; | |
| 70 | |
| 71 gfx::Size display_size_; | |
| 72 std::unique_ptr<cc::Display> display_; | |
| 73 DISALLOW_COPY_AND_ASSIGN(DisplayCompositorFrameSink); | |
| 74 }; | |
| 75 | |
| 76 } // namespace ui | |
| 77 | |
| 78 #endif // SERVICES_UI_SURFACES_DISPLAY_COMPOSITOR_FRAME_SINK_H_ | |
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Chromium Code Reviews
Issue 2471503002:
Mus+Ash: Unify CompositorFrameSinks (Closed)
