xref: /OK3568_Linux_fs/external/xserver/miext/sync/misyncfd.h (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593Smuzhiyun /*
2*4882a593Smuzhiyun  * Copyright © 2013 Keith Packard
3*4882a593Smuzhiyun  *
4*4882a593Smuzhiyun  * Permission to use, copy, modify, distribute, and sell this software and its
5*4882a593Smuzhiyun  * documentation for any purpose is hereby granted without fee, provided that
6*4882a593Smuzhiyun  * the above copyright notice appear in all copies and that both that copyright
7*4882a593Smuzhiyun  * notice and this permission notice appear in supporting documentation, and
8*4882a593Smuzhiyun  * that the name of the copyright holders not be used in advertising or
9*4882a593Smuzhiyun  * publicity pertaining to distribution of the software without specific,
10*4882a593Smuzhiyun  * written prior permission.  The copyright holders make no representations
11*4882a593Smuzhiyun  * about the suitability of this software for any purpose.  It is provided "as
12*4882a593Smuzhiyun  * is" without express or implied warranty.
13*4882a593Smuzhiyun  *
14*4882a593Smuzhiyun  * THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
15*4882a593Smuzhiyun  * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
16*4882a593Smuzhiyun  * EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY SPECIAL, INDIRECT OR
17*4882a593Smuzhiyun  * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
18*4882a593Smuzhiyun  * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
19*4882a593Smuzhiyun  * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
20*4882a593Smuzhiyun  * OF THIS SOFTWARE.
21*4882a593Smuzhiyun  */
22*4882a593Smuzhiyun 
23*4882a593Smuzhiyun #ifndef _MISYNCFD_H_
24*4882a593Smuzhiyun #define _MISYNCFD_H_
25*4882a593Smuzhiyun 
26*4882a593Smuzhiyun typedef int (*SyncScreenCreateFenceFromFdFunc) (ScreenPtr screen,
27*4882a593Smuzhiyun                                                 SyncFence *fence,
28*4882a593Smuzhiyun                                                 int fd,
29*4882a593Smuzhiyun                                                 Bool initially_triggered);
30*4882a593Smuzhiyun 
31*4882a593Smuzhiyun typedef int (*SyncScreenGetFenceFdFunc) (ScreenPtr screen,
32*4882a593Smuzhiyun                                       SyncFence *fence);
33*4882a593Smuzhiyun 
34*4882a593Smuzhiyun #define SYNC_FD_SCREEN_FUNCS_VERSION    1
35*4882a593Smuzhiyun 
36*4882a593Smuzhiyun typedef struct _syncFdScreenFuncs {
37*4882a593Smuzhiyun     int                                 version;
38*4882a593Smuzhiyun     SyncScreenCreateFenceFromFdFunc     CreateFenceFromFd;
39*4882a593Smuzhiyun     SyncScreenGetFenceFdFunc            GetFenceFd;
40*4882a593Smuzhiyun } SyncFdScreenFuncsRec, *SyncFdScreenFuncsPtr;
41*4882a593Smuzhiyun 
42*4882a593Smuzhiyun extern _X_EXPORT Bool miSyncFdScreenInit(ScreenPtr pScreen,
43*4882a593Smuzhiyun                                          const SyncFdScreenFuncsRec *funcs);
44*4882a593Smuzhiyun 
45*4882a593Smuzhiyun #endif /* _MISYNCFD_H_ */
46