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/*
* 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 "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_ */
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