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