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-rw-r--r--xorg-server/miext/sync/misyncstr.h86
1 files changed, 86 insertions, 0 deletions
diff --git a/xorg-server/miext/sync/misyncstr.h b/xorg-server/miext/sync/misyncstr.h
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+++ b/xorg-server/miext/sync/misyncstr.h
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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 <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;
+
+#endif /* _MISYNCSTR_H_ */
+