| /**************************************************************************** |
| * Copyright (C) 2015 Intel Corporation. All Rights Reserved. |
| * |
| * Permission is hereby granted, free of charge, to any person obtaining a |
| * copy of this software and associated documentation files (the "Software"), |
| * to deal in the Software without restriction, including without limitation |
| * the rights to use, copy, modify, merge, publish, distribute, sublicense, |
| * and/or sell copies of the Software, and to permit persons to whom the |
| * Software is furnished to do so, subject to the following conditions: |
| * |
| * The above copyright notice and this permission notice shall be included |
| * in all copies or substantial portions of the Software. |
| * |
| * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS |
| * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
| * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN |
| * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN |
| * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. |
| ***************************************************************************/ |
| |
| #ifndef SWR_FENCE_H |
| #define SWR_FENCE_H |
| |
| #include "pipe/p_state.h" |
| #include "util/u_inlines.h" |
| |
| #include "swr_fence_work.h" |
| |
| struct pipe_screen; |
| |
| struct swr_fence { |
| struct pipe_reference reference; |
| |
| uint64_t read; |
| uint64_t write; |
| |
| unsigned pending; |
| |
| unsigned id; /* Just for reference */ |
| |
| struct { |
| uint32_t count; |
| struct swr_fence_work head; |
| struct swr_fence_work *tail; |
| } work; |
| }; |
| |
| |
| static inline struct swr_fence * |
| swr_fence(struct pipe_fence_handle *fence) |
| { |
| return (struct swr_fence *)fence; |
| } |
| |
| |
| static INLINE bool |
| swr_is_fence_done(struct pipe_fence_handle *fence_handle) |
| { |
| struct swr_fence *fence = swr_fence(fence_handle); |
| return (fence->read == fence->write); |
| } |
| |
| static INLINE bool |
| swr_is_fence_pending(struct pipe_fence_handle *fence_handle) |
| { |
| return swr_fence(fence_handle)->pending; |
| } |
| |
| |
| void swr_fence_init(struct pipe_screen *screen); |
| |
| struct pipe_fence_handle *swr_fence_create(); |
| |
| void swr_fence_reference(struct pipe_screen *screen, |
| struct pipe_fence_handle **ptr, |
| struct pipe_fence_handle *f); |
| |
| bool swr_fence_finish(struct pipe_screen *screen, |
| struct pipe_context *ctx, |
| struct pipe_fence_handle *fence_handle, |
| uint64_t timeout); |
| |
| void |
| swr_fence_submit(struct swr_context *ctx, struct pipe_fence_handle *fence); |
| |
| uint64_t swr_get_timestamp(struct pipe_screen *screen); |
| |
| #endif |