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Side by Side Diff: components/mus/public/interfaces/gpu/display_compositor.mojom

Issue 2080383002: cc/ipc: Move CompositorFrame mojoms (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: Updated owners Created 4 years, 6 months ago
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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 mus.gpu.mojom; 5 module mus.gpu.mojom;
6 6
7 import "cc/ipc/compositor_frame.mojom";
7 import "cc/ipc/returned_resource.mojom"; 8 import "cc/ipc/returned_resource.mojom";
8 import "components/mus/public/interfaces/compositor_frame.mojom";
9 9
10 10
11 // Indicates whether the submitted CompositorFrame has been drawn to the display 11 // Indicates whether the submitted CompositorFrame has been drawn to the display
12 // or has been skipped (e.g. another frame may have been submitted before 12 // or has been skipped (e.g. another frame may have been submitted before
13 // vblank). 13 // vblank).
14 enum CompositorFrameDrawStatus { 14 enum CompositorFrameDrawStatus {
15 DRAW_SKIPPED, 15 DRAW_SKIPPED,
16 DRAWN 16 DRAWN
17 }; 17 };
18 18
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39 // A CompositorFrame contains the complete output meant for display. Each time a 39 // A CompositorFrame contains the complete output meant for display. Each time a
40 // client has a graphical update, and receives an OnBeginFrame, it is 40 // client has a graphical update, and receives an OnBeginFrame, it is
41 // responsible for creating a CompositorFrame to update its portion of the 41 // responsible for creating a CompositorFrame to update its portion of the
42 // screen. 42 // screen.
43 interface CompositorFrameSink { 43 interface CompositorFrameSink {
44 // After the submitted frame is either drawn for the first time by the display 44 // After the submitted frame is either drawn for the first time by the display
45 // compositor or discarded, the callback will be called with the status of the 45 // compositor or discarded, the callback will be called with the status of the
46 // submitted frame. Clients should use this acknowledgement to ratelimit frame 46 // submitted frame. Clients should use this acknowledgement to ratelimit frame
47 // submissions. 47 // submissions.
48 // TODO(fsamuel): We should support identifying the CF in the callback. 48 // TODO(fsamuel): We should support identifying the CF in the callback.
49 SubmitCompositorFrame(mus.mojom.CompositorFrame frame) => 49 SubmitCompositorFrame(cc.mojom.CompositorFrame frame) =>
50 (CompositorFrameDrawStatus status); 50 (CompositorFrameDrawStatus status);
51 51
52 // Lets the display compositor know that the client wishes to receive the next 52 // Lets the display compositor know that the client wishes to receive the next
53 // BeginFrame event. 53 // BeginFrame event.
54 SetNeedsBeginFrame(bool needs_begin_frame); 54 SetNeedsBeginFrame(bool needs_begin_frame);
55 55
56 // TODO(fsamuel): ReadbackBitmap API would be useful here. 56 // TODO(fsamuel): ReadbackBitmap API would be useful here.
57 }; 57 };
58 58
59 interface CompositorFrameSinkClient { 59 interface CompositorFrameSinkClient {
60 ReturnResources(array<cc.mojom.ReturnedResource> resources); 60 ReturnResources(array<cc.mojom.ReturnedResource> resources);
61 }; 61 };
62 62
63 // This is a public interface implemented by Display clients. 63 // This is a public interface implemented by Display clients.
64 // Each client implements a single instance of the DisplayClient interface. 64 // Each client implements a single instance of the DisplayClient interface.
65 interface DisplayClient { 65 interface DisplayClient {
66 // Clients can register CompositorFrameSinks via the provided |factory|. 66 // Clients can register CompositorFrameSinks via the provided |factory|.
67 OnClientCreated(uint32 client_id, CompositorFrameSinkFactory factory); 67 OnClientCreated(uint32 client_id, CompositorFrameSinkFactory factory);
68 68
69 // TODO(fsamuel): OnBeginFrame needs to take a BeginFrameArgs instance per 69 // TODO(fsamuel): OnBeginFrame needs to take a BeginFrameArgs instance per
70 // cc/output/begin_frame_args.h. 70 // cc/output/begin_frame_args.h.
71 OnBeginFrame(); 71 OnBeginFrame();
72 }; 72 };
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