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 _MISYNCSTR_H_ 29 #define _MISYNCSTR_H_ 30 31 #include <stdint.h> 32 #include "dix.h" 33 #include "misync.h" 34 #include "scrnintstr.h" 35 #include <X11/extensions/syncconst.h> 36 37 /* Sync object types */ 38 #define SYNC_COUNTER 0 39 #define SYNC_FENCE 1 40 41 struct _SyncObject { 42 ClientPtr client; /* Owning client. 0 for system counters */ 43 struct _SyncTriggerList *pTriglist; /* list of triggers */ 44 XID id; /* resource ID */ 45 unsigned char type; /* SYNC_* */ 46 unsigned char initialized; /* FALSE if created but not initialized */ 47 Bool beingDestroyed; /* in process of going away */ 48 }; 49 50 typedef struct _SyncCounter { 51 SyncObject sync; /* Common sync object data */ 52 int64_t value; /* counter value */ 53 struct _SysCounterInfo *pSysCounterInfo; /* NULL if not a system counter */ 54 } SyncCounter; 55 56 struct _SyncFence { 57 SyncObject sync; /* Common sync object data */ 58 ScreenPtr pScreen; /* Screen of this fence object */ 59 SyncFenceFuncsRec funcs; /* Funcs for performing ops on fence */ 60 Bool triggered; /* fence state */ 61 PrivateRec *devPrivates; /* driver-specific per-fence data */ 62 }; 63 64 struct _SyncTrigger { 65 SyncObject *pSync; 66 int64_t wait_value; /* wait value */ 67 unsigned int value_type; /* Absolute or Relative */ 68 unsigned int test_type; /* transition or Comparision type */ 69 int64_t test_value; /* trigger event threshold value */ 70 Bool (*CheckTrigger)(struct _SyncTrigger *pTrigger, 71 int64_t newval); 72 void (*TriggerFired)(struct _SyncTrigger *pTrigger); 73 void (*CounterDestroyed)(struct _SyncTrigger *pTrigger); 74 }; 75 76 typedef struct _SyncTriggerList { 77 SyncTrigger *pTrigger; 78 struct _SyncTriggerList *next; 79 } SyncTriggerList; 80 81 extern DevPrivateKeyRec miSyncScreenPrivateKey; 82 83 #define SYNC_SCREEN_PRIV(pScreen) \ 84 (SyncScreenPrivPtr) dixLookupPrivate(&pScreen->devPrivates, \ 85 &miSyncScreenPrivateKey) 86 87 typedef struct _syncScreenPriv { 88 /* Wrappable sync-specific screen functions */ 89 SyncScreenFuncsRec funcs; 90 91 /* Wrapped screen functions */ 92 CloseScreenProcPtr CloseScreen; 93 } SyncScreenPrivRec, *SyncScreenPrivPtr; 94 95 #endif /* _MISYNCSTR_H_ */ 96