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John Stultz16100f62017-05-03 11:12:18 -07001/*
2 * Copyright (C) 2014 ARM Limited. All rights reserved.
3 *
4 * Copyright (C) 2008 The Android Open Source Project
5 *
6 * Licensed under the Apache License, Version 2.0 (the "License");
7 * You may not use this file except in compliance with the License.
8 * You may obtain a copy of the License at
9 *
10 * http://www.apache.org/licenses/LICENSE-2.0
11 *
12 * Unless required by applicable law or agreed to in writing, software
13 * distributed under the License is distributed on an "AS IS" BASIS,
14 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
15 * See the License for the specific language governing permissions and
16 * limitations under the License.
17 */
18
19#ifndef _GRALLOC_VSYNC_H_
20#define _GRALLOC_VSYNC_H_
21
22struct framebuffer_device_t;
23
24/* Enables vsync interrupt. */
John Stultz18814f62018-02-22 16:02:49 -080025int gralloc_vsync_enable(struct framebuffer_device_t *dev);
John Stultz16100f62017-05-03 11:12:18 -070026/* Disables vsync interrupt. */
John Stultz18814f62018-02-22 16:02:49 -080027int gralloc_vsync_disable(struct framebuffer_device_t *dev);
John Stultz16100f62017-05-03 11:12:18 -070028/* Waits for the vsync interrupt. */
John Stultz18814f62018-02-22 16:02:49 -080029int gralloc_wait_for_vsync(struct framebuffer_device_t *dev);
John Stultz16100f62017-05-03 11:12:18 -070030
31#endif /* _GRALLOC_VSYNC_H_ */