| // Copyright 2015 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. |
| |
| [DartPackage="mojo_services"] |
| module mojo.gfx.composition; |
| |
| // A scene token is an opaque transferable reference to a scene. |
| // |
| // Each scene is associated with a unique scene token at creation time. |
| // This token can be used to create references from one scene to another |
| // or to create a renderer for a scene graph. |
| // |
| // Scene tokens should be kept secret. |
| // |
| // TODO(jeffbrown): This implementation is a temporary placeholder until |
| // we extend Mojo to provide a way to create tokens which cannot be forged. |
| struct SceneToken { |
| uint32 value; |
| }; |
