1 /* 2 * Copyright © 2016 Collabora, Ltd. 3 * 4 * Permission is hereby granted, free of charge, to any person obtaining a 5 * copy of this software and associated documentation files (the "Software"), 6 * to deal in the Software without restriction, including without limitation 7 * the rights to use, copy, modify, merge, publish, distribute, sublicense, 8 * and/or sell copies of the Software, and to permit persons to whom the 9 * Software is furnished to do so, subject to the following conditions: 10 * 11 * The above copyright notice and this permission notice (including the next 12 * paragraph) shall be included in all copies or substantial portions of the 13 * Software. 14 * 15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 17 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 18 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 19 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING 20 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS 21 * IN THE SOFTWARE. 22 * 23 * Authors: 24 * Robert Foss <robert.foss@collabora.com> 25 */ 26 27 #ifndef SW_SYNC_H 28 #define SW_SYNC_H 29 30 #define SW_SYNC_FENCE_STATUS_ERROR (-1) 31 #define SW_SYNC_FENCE_STATUS_ACTIVE (0) 32 #define SW_SYNC_FENCE_STATUS_SIGNALED (1) 33 34 void igt_require_sw_sync(void); 35 36 int sw_sync_timeline_create(void); 37 void sw_sync_timeline_inc(int timeline, uint32_t count); 38 39 int __sw_sync_timeline_create_fence(int timeline, uint32_t seqno); 40 int sw_sync_timeline_create_fence(int timeline, uint32_t seqno); 41 42 int sync_fence_merge(int fence1, int fence2); 43 int sync_fence_wait(int fence, int timeout); 44 int sync_fence_status(int fence); 45 int sync_fence_count(int fence); 46 int sync_fence_count_status(int fence, int status); 47 48 #define SYNC_FENCE_OK 1 49 50 #endif 51 52