87 lines
2.9 KiB
C
87 lines
2.9 KiB
C
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/*
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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 <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)(
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struct _SyncTrigger * /*pTrigger*/,
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CARD64 /*newval*/
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);
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void (*TriggerFired)(
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struct _SyncTrigger * /*pTrigger*/
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);
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void (*CounterDestroyed)(
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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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#endif /* _MISYNCSTR_H_ */
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