| // Copyright 2024 The Fuchsia Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| library fuchsia.hardware.display; |
| |
| /// Type of the internal value in [`VsyncAckCookie`]. |
| alias VsyncAckCookieValue = uint64; |
| |
| /// Identifies a unique identifier ("cookie") of a Vertical Synchronization |
| /// (Vsync) signal. |
| /// |
| /// [`fuchsia.hardware.display.types/INVALID_DISP_ID`] represents an invalid |
| /// value. |
| type VsyncAckCookie = struct { |
| value VsyncAckCookieValue; |
| }; |
