summaryrefslogtreecommitdiffstats
path: root/src/gallium/drivers/swr/swr_fence.h
blob: 47f4d2e7c9f69792277294e07c871149d1deefc2 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
/****************************************************************************
 * 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"

struct pipe_screen;

struct swr_fence {
   struct pipe_reference reference;

   uint64_t read;
   uint64_t write;

   unsigned pending;

   unsigned id; /* Just for reference */
};


static inline struct swr_fence *
swr_fence(struct pipe_fence_handle *fence)
{
   return (struct swr_fence *)fence;
}


static INLINE boolean
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 boolean
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);

boolean swr_fence_finish(struct pipe_screen *screen,
                         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