1 // Copyright 2014 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.
7 import "components/view_manager/public/interfaces/compositor_frame.mojom";
9 struct ReturnedResource {
16 interface ResourceReturner {
17 ReturnResources(array<ReturnedResource> resources);
21 // Request the id namespace for this connection. Fully qualified surface ids
22 // are the combination of the id_namespace for the connection that created the
23 // surface and the id_local component allocated by the caller.
24 GetIdNamespace() => (uint32 id_namespace);
26 // Sets a ResourceReturner that will receive unused resources.
27 SetResourceReturner(ResourceReturner returner);
29 // Creates a new surface with the given local identifier. Once a surface is
30 // created the caller may submit frames to it or destroy it using the local
31 // identifier. The caller can also produce a fully qualified surface id that
32 // can be embedded in frames produces by different connections.
33 CreateSurface(uint32 id_local);
35 // After the submitted frame is drawn for the first time, the surface will
36 // respond to the SubmitFrame message. Clients should use this acknowledgement
37 // to ratelimit frame submissions.
38 SubmitFrame(uint32 id_local, CompositorFrame frame) => ();
39 DestroySurface(uint32 id_local);