1 /**************************************************************************** 2 * Copyright (C) 2015 Intel Corporation. All Rights Reserved. 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 shall be included 12 * in all copies or substantial portions of the Software. 13 * 14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS 15 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 17 * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN 18 * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN 19 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. 20 ***************************************************************************/ 21 22 #ifndef SWR_FENCE_H 23 #define SWR_FENCE_H 24 25 #include "pipe/p_state.h" 26 #include "util/u_inlines.h" 27 28 #include "swr_fence_work.h" 29 30 struct pipe_screen; 31 32 struct swr_fence { 33 struct pipe_reference reference; 34 35 uint64_t read; 36 uint64_t write; 37 38 unsigned pending; 39 40 unsigned id; /* Just for reference */ 41 42 struct { 43 uint32_t count; 44 struct swr_fence_work head; 45 struct swr_fence_work *tail; 46 } work; 47 }; 48 49 50 static inline struct swr_fence * 51 swr_fence(struct pipe_fence_handle *fence) 52 { 53 return (struct swr_fence *)fence; 54 } 55 56 57 static INLINE boolean 58 swr_is_fence_done(struct pipe_fence_handle *fence_handle) 59 { 60 struct swr_fence *fence = swr_fence(fence_handle); 61 return (fence->read == fence->write); 62 } 63 64 static INLINE boolean 65 swr_is_fence_pending(struct pipe_fence_handle *fence_handle) 66 { 67 return swr_fence(fence_handle)->pending; 68 } 69 70 71 void swr_fence_init(struct pipe_screen *screen); 72 73 struct pipe_fence_handle *swr_fence_create(); 74 75 void swr_fence_reference(struct pipe_screen *screen, 76 struct pipe_fence_handle **ptr, 77 struct pipe_fence_handle *f); 78 79 boolean swr_fence_finish(struct pipe_screen *screen, 80 struct pipe_context *ctx, 81 struct pipe_fence_handle *fence_handle, 82 uint64_t timeout); 83 84 void 85 swr_fence_submit(struct swr_context *ctx, struct pipe_fence_handle *fence); 86 87 uint64_t swr_get_timestamp(struct pipe_screen *screen); 88 89 #endif 90