1 /* 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 22 struct framebuffer_device_t; 23 24 /* Enables vsync interrupt. */ 25 int gralloc_vsync_enable(struct framebuffer_device_t *dev); 26 /* Disables vsync interrupt. */ 27 int gralloc_vsync_disable(struct framebuffer_device_t *dev); 28 /* Waits for the vsync interrupt. */ 29 int gralloc_wait_for_vsync(struct framebuffer_device_t *dev); 30 31 #endif /* _GRALLOC_VSYNC_H_ */ 32