miext/sync/misync.h

   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
  31 typedef struct _SyncFence SyncFence;
  32 typedef struct _SyncTrigger SyncTrigger;
  33
  34 typedef void (*SyncScreenCreateFenceFunc) (ScreenPtr pScreen,
  35                                            SyncFence * pFence,
  36                                            Bool initially_triggered);
  37 typedef void (*SyncScreenDestroyFenceFunc) (ScreenPtr pScreen,
  38                                             SyncFence * pFence);
  39
  40 typedef struct _syncScreenFuncs {
  41     SyncScreenCreateFenceFunc CreateFence;
  42     SyncScreenDestroyFenceFunc DestroyFence;
  43 } SyncScreenFuncsRec, *SyncScreenFuncsPtr;
  44
  45
  46 extern _X_EXPORT void
  47 miSyncScreenCreateFence(ScreenPtr pScreen, SyncFence * pFence,
  48                         Bool initially_triggered);
  49 extern _X_EXPORT void
  50  miSyncScreenDestroyFence(ScreenPtr pScreen, SyncFence * pFence);
  51
  52 typedef void (*SyncFenceSetTriggeredFunc) (SyncFence * pFence);
  53 typedef void (*SyncFenceResetFunc) (SyncFence * pFence);
  54 typedef Bool (*SyncFenceCheckTriggeredFunc) (SyncFence * pFence);
  55 typedef void (*SyncFenceAddTriggerFunc) (SyncTrigger * pTrigger);
  56 typedef void (*SyncFenceDeleteTriggerFunc) (SyncTrigger * pTrigger);
  57
  58 typedef struct _syncFenceFuncs {
  59     SyncFenceSetTriggeredFunc SetTriggered;
  60     SyncFenceResetFunc Reset;
  61     SyncFenceCheckTriggeredFunc CheckTriggered;
  62     SyncFenceAddTriggerFunc AddTrigger;
  63     SyncFenceDeleteTriggerFunc DeleteTrigger;
  64 } SyncFenceFuncsRec, *SyncFenceFuncsPtr;
  65
  66 extern _X_EXPORT void
  67
  68 miSyncInitFence(ScreenPtr pScreen, SyncFence * pFence,
  69                 Bool initially_triggered);
  70 extern _X_EXPORT void
  71  miSyncDestroyFence(SyncFence * pFence);
  72 extern _X_EXPORT void
  73  miSyncTriggerFence(SyncFence * pFence);
  74
  75 extern _X_EXPORT SyncScreenFuncsPtr miSyncGetScreenFuncs(ScreenPtr pScreen);
  76 extern _X_EXPORT Bool
  77  miSyncSetup(ScreenPtr pScreen);
  78
  79 Bool
  80 miSyncFenceCheckTriggered(SyncFence * pFence);
  81
  82 void
  83 miSyncFenceSetTriggered(SyncFence * pFence);
  84
  85 void
  86 miSyncFenceReset(SyncFence * pFence);
  87
  88 void
  89 miSyncFenceAddTrigger(SyncTrigger * pTrigger);
  90
  91 void
  92 miSyncFenceDeleteTrigger(SyncTrigger * pTrigger);
  93
  94 int
  95 miSyncInitFenceFromFD(DrawablePtr pDraw, SyncFence *pFence, int fd, BOOL initially_triggered);
  96
  97 int
  98 miSyncFDFromFence(DrawablePtr pDraw, SyncFence *pFence);
  99
 100 #endif                          /* _MISYNC_H_ */