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1 // Copyright 2016 The Chromium Authors. All rights reserved. | 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 | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 module cc.mojom; | 5 module cc.mojom; |
6 | 6 |
7 import "cc/ipc/begin_frame_args.mojom"; | 7 import "cc/ipc/begin_frame_args.mojom"; |
8 import "cc/ipc/compositor_frame.mojom"; | 8 import "cc/ipc/compositor_frame.mojom"; |
9 import "cc/ipc/copy_output_request.mojom"; | 9 import "cc/ipc/copy_output_request.mojom"; |
10 import "cc/ipc/frame_sink_id.mojom"; | 10 import "cc/ipc/frame_sink_id.mojom"; |
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31 // |local_surface_id|. | 31 // |local_surface_id|. |
32 // For successful swaps, the implementation must call | 32 // For successful swaps, the implementation must call |
33 // DidReceiveCompositorFrameAck() asynchronously when the frame has been | 33 // DidReceiveCompositorFrameAck() asynchronously when the frame has been |
34 // processed in order to unthrottle the next frame. | 34 // processed in order to unthrottle the next frame. |
35 SubmitCompositorFrame(cc.mojom.LocalSurfaceId local_surface_id, | 35 SubmitCompositorFrame(cc.mojom.LocalSurfaceId local_surface_id, |
36 cc.mojom.CompositorFrame frame); | 36 cc.mojom.CompositorFrame frame); |
37 | 37 |
38 // Notifies the frame sink that a BeginFrame was completed, but that no | 38 // Notifies the frame sink that a BeginFrame was completed, but that no |
39 // CompositorFrame was produced as a result of it. | 39 // CompositorFrame was produced as a result of it. |
40 DidNotProduceFrame(cc.mojom.BeginFrameAck ack); | 40 DidNotProduceFrame(cc.mojom.BeginFrameAck ack); |
41 | |
42 // Notify that the surface is no longer in use (and is okay to be evicted) so | |
43 // that its resources gets returned in time. | |
44 EvictCurrentSurface(); | |
45 }; | 41 }; |
46 | 42 |
47 interface MojoCompositorFrameSinkClient { | 43 interface MojoCompositorFrameSinkClient { |
48 // Notification that the previous CompositorFrame given to | 44 // Notification that the previous CompositorFrame given to |
49 // SubmitCompositorFrame() has been processed and that another frame | 45 // SubmitCompositorFrame() has been processed and that another frame |
50 // can be submitted. This provides backpressure from the display compositor | 46 // can be submitted. This provides backpressure from the display compositor |
51 // so that frames are submitted only at the rate it can handle them. | 47 // so that frames are submitted only at the rate it can handle them. |
52 // TODO(fsamuel): This method ought not be necessary with unified BeginFrame. | 48 // TODO(fsamuel): This method ought not be necessary with unified BeginFrame. |
53 // However, there's a fair amount of cleanup and refactoring necessary to get | 49 // However, there's a fair amount of cleanup and refactoring necessary to get |
54 // rid of it. | 50 // rid of it. |
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67 interface MojoCompositorFrameSinkPrivate { | 63 interface MojoCompositorFrameSinkPrivate { |
68 // Claims this FrameSinkId will embed |surface_id| so it should own the | 64 // Claims this FrameSinkId will embed |surface_id| so it should own the |
69 // temporary reference to |surface_id|. | 65 // temporary reference to |surface_id|. |
70 ClaimTemporaryReference(SurfaceId surface_id); | 66 ClaimTemporaryReference(SurfaceId surface_id); |
71 | 67 |
72 // Requests that the renderer send back a copy of the surface that this | 68 // Requests that the renderer send back a copy of the surface that this |
73 // CompositorFrameSink submits to. The result can be in form of a bitmap | 69 // CompositorFrameSink submits to. The result can be in form of a bitmap |
74 // or a texture. See cc::CopyOutputRequest. | 70 // or a texture. See cc::CopyOutputRequest. |
75 RequestCopyOfSurface(cc.mojom.CopyOutputRequest request); | 71 RequestCopyOfSurface(cc.mojom.CopyOutputRequest request); |
76 }; | 72 }; |
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