IABSD.fr/xenocara/xserver/miext/sync/misyncstr.h

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• Author : matthieu
  Date : 2014-09-27 17:52:59
  Hash : 4f58590a
  Message : Update to xserver 1.16.1. Tested by naddy@, jsg@ & kettenis@

• xserver/miext/sync/misyncstr.h

• /*
   * Copyright © 2010 NVIDIA Corporation
   *
   * Permission is hereby granted, free of charge, to any person obtaining a
   * copy of this software and associated documentation files (the "Software"),
   * to deal in the Software without restriction, including without limitation
   * the rights to use, copy, modify, merge, publish, distribute, sublicense,
   * and/or sell copies of the Software, and to permit persons to whom the
   * Software is furnished to do so, subject to the following conditions:
   *
   * The above copyright notice and this permission notice (including the next
   * paragraph) shall be included in all copies or substantial portions of the
   * Software.
   *
   * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
   * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
   * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
   * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
   * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
   * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
   * DEALINGS IN THE SOFTWARE.
   */
  
  #ifdef HAVE_DIX_CONFIG_H
  #include <dix-config.h>
  #endif
  
  #ifndef _MISYNCSTR_H_
  #define _MISYNCSTR_H_
  
  #include "dix.h"
  #include "misync.h"
  #include "scrnintstr.h"
  #include <X11/extensions/syncconst.h>
  
  #define CARD64 XSyncValue       /* XXX temporary! need real 64 bit values for Alpha */
  
  /* Sync object types */
  #define SYNC_COUNTER		0
  #define SYNC_FENCE		1
  
  typedef struct _SyncObject {
      ClientPtr client;           /* Owning client. 0 for system counters */
      struct _SyncTriggerList *pTriglist; /* list of triggers */
      XID id;                     /* resource ID */
      unsigned char type;         /* SYNC_* */
      Bool beingDestroyed;        /* in process of going away */
  } SyncObject;
  
  typedef struct _SyncCounter {
      SyncObject sync;            /* Common sync object data */
      CARD64 value;               /* counter value */
      struct _SysCounterInfo *pSysCounterInfo;    /* NULL if not a system counter */
  } SyncCounter;
  
  struct _SyncFence {
      SyncObject sync;            /* Common sync object data */
      ScreenPtr pScreen;          /* Screen of this fence object */
      SyncFenceFuncsRec funcs;    /* Funcs for performing ops on fence */
      Bool triggered;             /* fence state */
      PrivateRec *devPrivates;    /* driver-specific per-fence data */
  };
  
  struct _SyncTrigger {
      SyncObject *pSync;
      CARD64 wait_value;          /* wait value */
      unsigned int value_type;    /* Absolute or Relative */
      unsigned int test_type;     /* transition or Comparision type */
      CARD64 test_value;          /* trigger event threshold value */
      Bool (*CheckTrigger) (struct _SyncTrigger * /*pTrigger */ ,
                            CARD64        /*newval */
          );
      void (*TriggerFired) (struct _SyncTrigger * /*pTrigger */
          );
      void (*CounterDestroyed) (struct _SyncTrigger *     /*pTrigger */
          );
  };
  
  typedef struct _SyncTriggerList {
      SyncTrigger *pTrigger;
      struct _SyncTriggerList *next;
  } SyncTriggerList;
  
  extern DevPrivateKeyRec miSyncScreenPrivateKey;
  
  #define SYNC_SCREEN_PRIV(pScreen) 				\
      (SyncScreenPrivPtr) dixLookupPrivate(&pScreen->devPrivates,	\
  					 &miSyncScreenPrivateKey)
  
  typedef struct _syncScreenPriv {
      /* Wrappable sync-specific screen functions */
      SyncScreenFuncsRec funcs;
  
      /* Wrapped screen functions */
      CloseScreenProcPtr CloseScreen;
  } SyncScreenPrivRec, *SyncScreenPrivPtr;
  
  #endif                          /* _MISYNCSTR_H_ */