xref: /OK3568_Linux_fs/external/xserver/miext/sync/misync.h (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593Smuzhiyun /*
2*4882a593Smuzhiyun  * Copyright © 2010 NVIDIA Corporation
3*4882a593Smuzhiyun  *
4*4882a593Smuzhiyun  * Permission is hereby granted, free of charge, to any person obtaining a
5*4882a593Smuzhiyun  * copy of this software and associated documentation files (the "Software"),
6*4882a593Smuzhiyun  * to deal in the Software without restriction, including without limitation
7*4882a593Smuzhiyun  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8*4882a593Smuzhiyun  * and/or sell copies of the Software, and to permit persons to whom the
9*4882a593Smuzhiyun  * Software is furnished to do so, subject to the following conditions:
10*4882a593Smuzhiyun  *
11*4882a593Smuzhiyun  * The above copyright notice and this permission notice (including the next
12*4882a593Smuzhiyun  * paragraph) shall be included in all copies or substantial portions of the
13*4882a593Smuzhiyun  * Software.
14*4882a593Smuzhiyun  *
15*4882a593Smuzhiyun  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16*4882a593Smuzhiyun  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17*4882a593Smuzhiyun  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
18*4882a593Smuzhiyun  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
19*4882a593Smuzhiyun  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
20*4882a593Smuzhiyun  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
21*4882a593Smuzhiyun  * DEALINGS IN THE SOFTWARE.
22*4882a593Smuzhiyun  */
23*4882a593Smuzhiyun 
24*4882a593Smuzhiyun #ifdef HAVE_DIX_CONFIG_H
25*4882a593Smuzhiyun #include <dix-config.h>
26*4882a593Smuzhiyun #endif
27*4882a593Smuzhiyun 
28*4882a593Smuzhiyun #ifndef _MISYNC_H_
29*4882a593Smuzhiyun #define _MISYNC_H_
30*4882a593Smuzhiyun 
31*4882a593Smuzhiyun typedef struct _SyncObject SyncObject;
32*4882a593Smuzhiyun typedef struct _SyncFence SyncFence;
33*4882a593Smuzhiyun typedef struct _SyncTrigger SyncTrigger;
34*4882a593Smuzhiyun 
35*4882a593Smuzhiyun typedef void (*SyncScreenCreateFenceFunc) (ScreenPtr pScreen,
36*4882a593Smuzhiyun                                            SyncFence * pFence,
37*4882a593Smuzhiyun                                            Bool initially_triggered);
38*4882a593Smuzhiyun typedef void (*SyncScreenDestroyFenceFunc) (ScreenPtr pScreen,
39*4882a593Smuzhiyun                                             SyncFence * pFence);
40*4882a593Smuzhiyun 
41*4882a593Smuzhiyun typedef struct _syncScreenFuncs {
42*4882a593Smuzhiyun     SyncScreenCreateFenceFunc CreateFence;
43*4882a593Smuzhiyun     SyncScreenDestroyFenceFunc DestroyFence;
44*4882a593Smuzhiyun } SyncScreenFuncsRec, *SyncScreenFuncsPtr;
45*4882a593Smuzhiyun 
46*4882a593Smuzhiyun 
47*4882a593Smuzhiyun extern _X_EXPORT void
48*4882a593Smuzhiyun miSyncScreenCreateFence(ScreenPtr pScreen, SyncFence * pFence,
49*4882a593Smuzhiyun                         Bool initially_triggered);
50*4882a593Smuzhiyun extern _X_EXPORT void
51*4882a593Smuzhiyun  miSyncScreenDestroyFence(ScreenPtr pScreen, SyncFence * pFence);
52*4882a593Smuzhiyun 
53*4882a593Smuzhiyun typedef void (*SyncFenceSetTriggeredFunc) (SyncFence * pFence);
54*4882a593Smuzhiyun typedef void (*SyncFenceResetFunc) (SyncFence * pFence);
55*4882a593Smuzhiyun typedef Bool (*SyncFenceCheckTriggeredFunc) (SyncFence * pFence);
56*4882a593Smuzhiyun typedef void (*SyncFenceAddTriggerFunc) (SyncTrigger * pTrigger);
57*4882a593Smuzhiyun typedef void (*SyncFenceDeleteTriggerFunc) (SyncTrigger * pTrigger);
58*4882a593Smuzhiyun 
59*4882a593Smuzhiyun typedef struct _syncFenceFuncs {
60*4882a593Smuzhiyun     SyncFenceSetTriggeredFunc SetTriggered;
61*4882a593Smuzhiyun     SyncFenceResetFunc Reset;
62*4882a593Smuzhiyun     SyncFenceCheckTriggeredFunc CheckTriggered;
63*4882a593Smuzhiyun     SyncFenceAddTriggerFunc AddTrigger;
64*4882a593Smuzhiyun     SyncFenceDeleteTriggerFunc DeleteTrigger;
65*4882a593Smuzhiyun } SyncFenceFuncsRec, *SyncFenceFuncsPtr;
66*4882a593Smuzhiyun 
67*4882a593Smuzhiyun extern _X_EXPORT void
68*4882a593Smuzhiyun 
69*4882a593Smuzhiyun miSyncInitFence(ScreenPtr pScreen, SyncFence * pFence,
70*4882a593Smuzhiyun                 Bool initially_triggered);
71*4882a593Smuzhiyun extern _X_EXPORT void
72*4882a593Smuzhiyun  miSyncDestroyFence(SyncFence * pFence);
73*4882a593Smuzhiyun extern _X_EXPORT void
74*4882a593Smuzhiyun  miSyncTriggerFence(SyncFence * pFence);
75*4882a593Smuzhiyun 
76*4882a593Smuzhiyun extern _X_EXPORT SyncScreenFuncsPtr miSyncGetScreenFuncs(ScreenPtr pScreen);
77*4882a593Smuzhiyun extern _X_EXPORT Bool
78*4882a593Smuzhiyun  miSyncSetup(ScreenPtr pScreen);
79*4882a593Smuzhiyun 
80*4882a593Smuzhiyun Bool
81*4882a593Smuzhiyun miSyncFenceCheckTriggered(SyncFence * pFence);
82*4882a593Smuzhiyun 
83*4882a593Smuzhiyun void
84*4882a593Smuzhiyun miSyncFenceSetTriggered(SyncFence * pFence);
85*4882a593Smuzhiyun 
86*4882a593Smuzhiyun void
87*4882a593Smuzhiyun miSyncFenceReset(SyncFence * pFence);
88*4882a593Smuzhiyun 
89*4882a593Smuzhiyun void
90*4882a593Smuzhiyun miSyncFenceAddTrigger(SyncTrigger * pTrigger);
91*4882a593Smuzhiyun 
92*4882a593Smuzhiyun void
93*4882a593Smuzhiyun miSyncFenceDeleteTrigger(SyncTrigger * pTrigger);
94*4882a593Smuzhiyun 
95*4882a593Smuzhiyun int
96*4882a593Smuzhiyun miSyncInitFenceFromFD(DrawablePtr pDraw, SyncFence *pFence, int fd, BOOL initially_triggered);
97*4882a593Smuzhiyun 
98*4882a593Smuzhiyun int
99*4882a593Smuzhiyun miSyncFDFromFence(DrawablePtr pDraw, SyncFence *pFence);
100*4882a593Smuzhiyun 
101*4882a593Smuzhiyun #endif                          /* _MISYNC_H_ */
102