third_party/WebKit/public/platform/modules/offscreencanvas/offscreen_canvas_surface.mojom

// Copyright 2016 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

module blink.mojom;

import "cc/ipc/compositor_frame.mojom";
import "cc/ipc/mojo_compositor_frame_sink.mojom";
import "cc/ipc/surface_id.mojom";
import "cc/ipc/surface_sequence.mojom";

interface OffscreenCanvasSurface {
  // TODO(619138): Make creation of surface id Async after implementation
  // change on surface_id generator that makes client side be able to generate
  // unique surface_id.id_namespace alone.
  [Sync]
  GetSurfaceId() => (cc.mojom.SurfaceId surface_id);

  Require(cc.mojom.SurfaceId surface_id, cc.mojom.SurfaceSequence sequence);
  Satisfy(cc.mojom.SurfaceSequence sequence);
};

interface OffscreenCanvasCompositorFrameSinkProvider {
  CreateCompositorFrameSink(cc.mojom.SurfaceId surface_id,
                            cc.mojom.MojoCompositorFrameSinkClient client,
                            cc.mojom.MojoCompositorFrameSink& sink);
};