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_batch;
31struct iris_bufmgr;
32
33/**
34 * A refcounted DRM Sync Object (drm_syncobj).
35 */
36struct iris_syncobj {
37   struct pipe_reference ref;
38   uint32_t handle;
39};
40
41struct iris_syncobj *iris_create_syncobj(struct iris_bufmgr *bufmgr);
42void iris_syncobj_destroy(struct iris_bufmgr *, struct iris_syncobj *);
43void iris_syncobj_signal(struct iris_bufmgr *, struct iris_syncobj *);
44
45void iris_batch_add_syncobj(struct iris_batch *batch,
46                            struct iris_syncobj *syncobj,
47                            unsigned flags);
48bool iris_wait_syncobj(struct iris_bufmgr *bufmgr,
49                       struct iris_syncobj *syncobj,
50                       int64_t timeout_nsec);
51
52static inline void
53iris_syncobj_reference(struct iris_bufmgr *bufmgr,
54                       struct iris_syncobj **dst,
55                       struct iris_syncobj *src)
56{
57   if (pipe_reference(*dst ? &(*dst)->ref : NULL,
58                      src ? &src->ref : NULL))
59      iris_syncobj_destroy(bufmgr, *dst);
60
61   *dst = src;
62}
63
64/* ------------------------------------------------------------------- */
65
66void iris_init_context_fence_functions(struct pipe_context *ctx);
67void iris_init_screen_fence_functions(struct pipe_screen *screen);
68
69#endif
70