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 _MISYNCSTR_H_ 29*4882a593Smuzhiyun #define _MISYNCSTR_H_ 30*4882a593Smuzhiyun 31*4882a593Smuzhiyun #include <stdint.h> 32*4882a593Smuzhiyun #include "dix.h" 33*4882a593Smuzhiyun #include "misync.h" 34*4882a593Smuzhiyun #include "scrnintstr.h" 35*4882a593Smuzhiyun #include <X11/extensions/syncconst.h> 36*4882a593Smuzhiyun 37*4882a593Smuzhiyun /* Sync object types */ 38*4882a593Smuzhiyun #define SYNC_COUNTER 0 39*4882a593Smuzhiyun #define SYNC_FENCE 1 40*4882a593Smuzhiyun 41*4882a593Smuzhiyun struct _SyncObject { 42*4882a593Smuzhiyun ClientPtr client; /* Owning client. 0 for system counters */ 43*4882a593Smuzhiyun struct _SyncTriggerList *pTriglist; /* list of triggers */ 44*4882a593Smuzhiyun XID id; /* resource ID */ 45*4882a593Smuzhiyun unsigned char type; /* SYNC_* */ 46*4882a593Smuzhiyun unsigned char initialized; /* FALSE if created but not initialized */ 47*4882a593Smuzhiyun Bool beingDestroyed; /* in process of going away */ 48*4882a593Smuzhiyun }; 49*4882a593Smuzhiyun 50*4882a593Smuzhiyun typedef struct _SyncCounter { 51*4882a593Smuzhiyun SyncObject sync; /* Common sync object data */ 52*4882a593Smuzhiyun int64_t value; /* counter value */ 53*4882a593Smuzhiyun struct _SysCounterInfo *pSysCounterInfo; /* NULL if not a system counter */ 54*4882a593Smuzhiyun } SyncCounter; 55*4882a593Smuzhiyun 56*4882a593Smuzhiyun struct _SyncFence { 57*4882a593Smuzhiyun SyncObject sync; /* Common sync object data */ 58*4882a593Smuzhiyun ScreenPtr pScreen; /* Screen of this fence object */ 59*4882a593Smuzhiyun SyncFenceFuncsRec funcs; /* Funcs for performing ops on fence */ 60*4882a593Smuzhiyun Bool triggered; /* fence state */ 61*4882a593Smuzhiyun PrivateRec *devPrivates; /* driver-specific per-fence data */ 62*4882a593Smuzhiyun }; 63*4882a593Smuzhiyun 64*4882a593Smuzhiyun struct _SyncTrigger { 65*4882a593Smuzhiyun SyncObject *pSync; 66*4882a593Smuzhiyun int64_t wait_value; /* wait value */ 67*4882a593Smuzhiyun unsigned int value_type; /* Absolute or Relative */ 68*4882a593Smuzhiyun unsigned int test_type; /* transition or Comparision type */ 69*4882a593Smuzhiyun int64_t test_value; /* trigger event threshold value */ 70*4882a593Smuzhiyun Bool (*CheckTrigger)(struct _SyncTrigger *pTrigger, 71*4882a593Smuzhiyun int64_t newval); 72*4882a593Smuzhiyun void (*TriggerFired)(struct _SyncTrigger *pTrigger); 73*4882a593Smuzhiyun void (*CounterDestroyed)(struct _SyncTrigger *pTrigger); 74*4882a593Smuzhiyun }; 75*4882a593Smuzhiyun 76*4882a593Smuzhiyun typedef struct _SyncTriggerList { 77*4882a593Smuzhiyun SyncTrigger *pTrigger; 78*4882a593Smuzhiyun struct _SyncTriggerList *next; 79*4882a593Smuzhiyun } SyncTriggerList; 80*4882a593Smuzhiyun 81*4882a593Smuzhiyun extern DevPrivateKeyRec miSyncScreenPrivateKey; 82*4882a593Smuzhiyun 83*4882a593Smuzhiyun #define SYNC_SCREEN_PRIV(pScreen) \ 84*4882a593Smuzhiyun (SyncScreenPrivPtr) dixLookupPrivate(&pScreen->devPrivates, \ 85*4882a593Smuzhiyun &miSyncScreenPrivateKey) 86*4882a593Smuzhiyun 87*4882a593Smuzhiyun typedef struct _syncScreenPriv { 88*4882a593Smuzhiyun /* Wrappable sync-specific screen functions */ 89*4882a593Smuzhiyun SyncScreenFuncsRec funcs; 90*4882a593Smuzhiyun 91*4882a593Smuzhiyun /* Wrapped screen functions */ 92*4882a593Smuzhiyun CloseScreenProcPtr CloseScreen; 93*4882a593Smuzhiyun } SyncScreenPrivRec, *SyncScreenPrivPtr; 94*4882a593Smuzhiyun 95*4882a593Smuzhiyun #endif /* _MISYNCSTR_H_ */ 96