lp_fence.h revision cdc920a0
1/**************************************************************************
2 *
3 * Copyright 2009 VMware, Inc.
4 * All Rights Reserved.
5 *
6 * Permission is hereby granted, free of charge, to any person obtaining a
7 * copy of this software and associated documentation files (the
8 * "Software"), to deal in the Software without restriction, including
9 * without limitation the rights to use, copy, modify, merge, publish,
10 * distribute, sub license, and/or sell copies of the Software, and to
11 * permit persons to whom the Software is furnished to do so, subject to
12 * the following conditions:
13 *
14 * The above copyright notice and this permission notice (including the
15 * next paragraph) shall be included in all copies or substantial portions
16 * of the Software.
17 *
18 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
19 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
20 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
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27
28
29#ifndef LP_FENCE_H
30#define LP_FENCE_H
31
32
33#include "os/os_thread.h"
34#include "pipe/p_state.h"
35
36
37struct pipe_screen;
38
39
40struct lp_fence
41{
42   struct pipe_reference reference;
43
44   pipe_mutex mutex;
45   pipe_condvar signalled;
46
47   unsigned rank;
48   unsigned count;
49};
50
51
52struct lp_fence *
53lp_fence_create(unsigned rank);
54
55
56void
57llvmpipe_init_screen_fence_funcs(struct pipe_screen *screen);
58
59
60#endif /* LP_FENCE_H */
61