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 CROCUS_FENCE_H
25#define CROCUS_FENCE_H
26
27#include "util/u_inlines.h"
28
29struct pipe_screen;
30struct crocus_screen;
31struct crocus_batch;
32
33struct crocus_syncobj {
34   struct pipe_reference ref;
35   uint32_t handle;
36};
37
38void crocus_init_context_fence_functions(struct pipe_context *ctx);
39void crocus_init_screen_fence_functions(struct pipe_screen *screen);
40
41struct crocus_syncobj *crocus_create_syncobj(struct crocus_screen *screen);
42void crocus_syncobj_destroy(struct crocus_screen *, struct crocus_syncobj *);
43void crocus_batch_add_syncobj(struct crocus_batch *batch,
44                              struct crocus_syncobj *syncobj,
45                              unsigned flags);
46bool crocus_wait_syncobj(struct pipe_screen *screen,
47                         struct crocus_syncobj *syncobj,
48                         int64_t timeout_nsec);
49static inline void
50crocus_syncobj_reference(struct crocus_screen *screen,
51                         struct crocus_syncobj **dst,
52                         struct crocus_syncobj *src)
53{
54   if (pipe_reference(&(*dst)->ref, &src->ref))
55      crocus_syncobj_destroy(screen, *dst);
56
57   *dst = src;
58}
59
60#endif
61