iris_fence.h revision 9f464c52 
1/*
2 * Copyright © 2018 Intel Corporation
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
24#ifndef IRIS_FENCE_H
25#define IRIS_FENCE_H
26
27#include "util/u_inlines.h"
28
29struct pipe_screen;
30struct iris_screen;
31struct iris_batch;
32
33struct iris_syncpt {
34   struct pipe_reference ref;
35   uint32_t handle;
36};
37
38void iris_init_context_fence_functions(struct pipe_context *ctx);
39void iris_init_screen_fence_functions(struct pipe_screen *screen);
40
41struct iris_syncpt *iris_create_syncpt(struct iris_screen *screen);
42void iris_syncpt_destroy(struct iris_screen *, struct iris_syncpt *);
43void iris_batch_add_syncpt(struct iris_batch *batch,
44                           struct iris_syncpt *syncpt,
45                           unsigned flags);
46bool iris_wait_syncpt(struct pipe_screen *screen,
47                      struct iris_syncpt *syncpt,
48                      int64_t timeout_nsec);
49static inline void
50iris_syncpt_reference(struct iris_screen *screen,
51                      struct iris_syncpt **dst,
52                      struct iris_syncpt *src)
53{
54   if (pipe_reference(&(*dst)->ref, &src->ref))
55      iris_syncpt_destroy(screen, *dst);
56
57   *dst = src;
58}
59
60#endif
61