1 /*
2  * Copyright © 2013 Keith Packard
3  *
4  * Permission to use, copy, modify, distribute, and sell this software and its
5  * documentation for any purpose is hereby granted without fee, provided that
6  * the above copyright notice appear in all copies and that both that copyright
7  * notice and this permission notice appear in supporting documentation, and
8  * that the name of the copyright holders not be used in advertising or
9  * publicity pertaining to distribution of the software without specific,
10  * written prior permission.  The copyright holders make no representations
11  * about the suitability of this software for any purpose.  It is provided "as
12  * is" without express or implied warranty.
13  *
14  * THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
15  * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
16  * EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY SPECIAL, INDIRECT OR
17  * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
18  * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
19  * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
20  * OF THIS SOFTWARE.
21  */
22 
23 #ifndef _MISYNCFD_H_
24 #define _MISYNCFD_H_
25 
26 typedef int (*SyncScreenCreateFenceFromFdFunc) (ScreenPtr screen,
27                                                 SyncFence *fence,
28                                                 int fd,
29                                                 Bool initially_triggered);
30 
31 typedef int (*SyncScreenGetFenceFdFunc) (ScreenPtr screen,
32                                       SyncFence *fence);
33 
34 #define SYNC_FD_SCREEN_FUNCS_VERSION    1
35 
36 typedef struct _syncFdScreenFuncs {
37     int                                 version;
38     SyncScreenCreateFenceFromFdFunc     CreateFenceFromFd;
39     SyncScreenGetFenceFdFunc            GetFenceFd;
40 } SyncFdScreenFuncsRec, *SyncFdScreenFuncsPtr;
41 
42 extern _X_EXPORT Bool miSyncFdScreenInit(ScreenPtr pScreen,
43                                          const SyncFdScreenFuncsRec *funcs);
44 
45 #endif /* _MISYNCFD_H_ */
46