misync.h revision 35c4bbdf 
1/*
2 * Copyright © 2010 NVIDIA 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
21 * DEALINGS IN THE SOFTWARE.
22 */
23
24#ifdef HAVE_DIX_CONFIG_H
25#include <dix-config.h>
26#endif
27
28#ifndef _MISYNC_H_
29#define _MISYNC_H_
30
31typedef struct _SyncFence SyncFence;
32typedef struct _SyncTrigger SyncTrigger;
33
34typedef void (*SyncScreenCreateFenceFunc) (ScreenPtr pScreen,
35                                           SyncFence * pFence,
36                                           Bool initially_triggered);
37typedef void (*SyncScreenDestroyFenceFunc) (ScreenPtr pScreen,
38                                            SyncFence * pFence);
39
40typedef struct _syncScreenFuncs {
41    SyncScreenCreateFenceFunc CreateFence;
42    SyncScreenDestroyFenceFunc DestroyFence;
43} SyncScreenFuncsRec, *SyncScreenFuncsPtr;
44
45
46extern _X_EXPORT void
47miSyncScreenCreateFence(ScreenPtr pScreen, SyncFence * pFence,
48                        Bool initially_triggered);
49extern _X_EXPORT void
50 miSyncScreenDestroyFence(ScreenPtr pScreen, SyncFence * pFence);
51
52typedef void (*SyncFenceSetTriggeredFunc) (SyncFence * pFence);
53typedef void (*SyncFenceResetFunc) (SyncFence * pFence);
54typedef Bool (*SyncFenceCheckTriggeredFunc) (SyncFence * pFence);
55typedef void (*SyncFenceAddTriggerFunc) (SyncTrigger * pTrigger);
56typedef void (*SyncFenceDeleteTriggerFunc) (SyncTrigger * pTrigger);
57
58typedef struct _syncFenceFuncs {
59    SyncFenceSetTriggeredFunc SetTriggered;
60    SyncFenceResetFunc Reset;
61    SyncFenceCheckTriggeredFunc CheckTriggered;
62    SyncFenceAddTriggerFunc AddTrigger;
63    SyncFenceDeleteTriggerFunc DeleteTrigger;
64} SyncFenceFuncsRec, *SyncFenceFuncsPtr;
65
66extern _X_EXPORT void
67
68miSyncInitFence(ScreenPtr pScreen, SyncFence * pFence,
69                Bool initially_triggered);
70extern _X_EXPORT void
71 miSyncDestroyFence(SyncFence * pFence);
72extern _X_EXPORT void
73 miSyncTriggerFence(SyncFence * pFence);
74
75extern _X_EXPORT SyncScreenFuncsPtr miSyncGetScreenFuncs(ScreenPtr pScreen);
76extern _X_EXPORT Bool
77 miSyncSetup(ScreenPtr pScreen);
78
79Bool
80miSyncFenceCheckTriggered(SyncFence * pFence);
81
82void
83miSyncFenceSetTriggered(SyncFence * pFence);
84
85void
86miSyncFenceReset(SyncFence * pFence);
87
88void
89miSyncFenceAddTrigger(SyncTrigger * pTrigger);
90
91void
92miSyncFenceDeleteTrigger(SyncTrigger * pTrigger);
93
94int
95miSyncInitFenceFromFD(DrawablePtr pDraw, SyncFence *pFence, int fd, BOOL initially_triggered);
96
97int
98miSyncFDFromFence(DrawablePtr pDraw, SyncFence *pFence);
99
100#endif                          /* _MISYNC_H_ */
101