1 | /*
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2 | * Copyright © 2010 NVIDIA Corporation
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3 | *
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4 | * Permission is hereby granted, free of charge, to any person obtaining a
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5 | * copy of this software and associated documentation files (the "Software"),
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6 | * to deal in the Software without restriction, including without limitation
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7 | * the rights to use, copy, modify, merge, publish, distribute, sublicense,
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8 | * and/or sell copies of the Software, and to permit persons to whom the
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9 | * Software is furnished to do so, subject to the following conditions:
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10 | *
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11 | * The above copyright notice and this permission notice (including the next
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12 | * paragraph) shall be included in all copies or substantial portions of the
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13 | * Software.
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14 | *
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15 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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16 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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17 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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18 | * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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19 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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20 | * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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21 | * DEALINGS IN THE SOFTWARE.
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22 | */
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23 |
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24 | #ifdef HAVE_DIX_CONFIG_H
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25 | #include <dix-config.h>
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26 | #endif
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27 |
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28 | #ifndef _MISYNCSTR_H_
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29 | #define _MISYNCSTR_H_
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30 |
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31 | #include "dix.h"
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32 | #include "misync.h"
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33 | #include "scrnintstr.h"
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34 | #include <X11/extensions/syncconst.h>
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35 |
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36 | #define CARD64 XSyncValue /* XXX temporary! need real 64 bit values for Alpha */
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37 |
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38 | /* Sync object types */
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39 | #define SYNC_COUNTER 0
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40 | #define SYNC_FENCE 1
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41 |
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42 | typedef struct _SyncObject {
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43 | ClientPtr client; /* Owning client. 0 for system counters */
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44 | struct _SyncTriggerList *pTriglist; /* list of triggers */
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45 | XID id; /* resource ID */
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46 | unsigned char type; /* SYNC_* */
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47 | Bool beingDestroyed; /* in process of going away */
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48 | } SyncObject;
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49 |
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50 | typedef struct _SyncCounter {
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51 | SyncObject sync; /* Common sync object data */
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52 | CARD64 value; /* counter value */
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53 | struct _SysCounterInfo *pSysCounterInfo; /* NULL if not a system counter */
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54 | } SyncCounter;
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55 |
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56 | struct _SyncFence {
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57 | SyncObject sync; /* Common sync object data */
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58 | ScreenPtr pScreen; /* Screen of this fence object */
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59 | SyncFenceFuncsRec funcs; /* Funcs for performing ops on fence */
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60 | Bool triggered; /* fence state */
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61 | PrivateRec *devPrivates; /* driver-specific per-fence data */
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62 | };
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63 |
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64 | struct _SyncTrigger {
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65 | SyncObject *pSync;
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66 | CARD64 wait_value; /* wait value */
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67 | unsigned int value_type; /* Absolute or Relative */
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68 | unsigned int test_type; /* transition or Comparision type */
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69 | CARD64 test_value; /* trigger event threshold value */
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70 | Bool (*CheckTrigger) (struct _SyncTrigger * /*pTrigger */ ,
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71 | CARD64 /*newval */
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72 | );
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73 | void (*TriggerFired) (struct _SyncTrigger * /*pTrigger */
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74 | );
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75 | void (*CounterDestroyed) (struct _SyncTrigger * /*pTrigger */
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76 | );
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77 | };
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78 |
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79 | typedef struct _SyncTriggerList {
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80 | SyncTrigger *pTrigger;
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81 | struct _SyncTriggerList *next;
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82 | } SyncTriggerList;
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83 |
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84 | extern DevPrivateKeyRec miSyncScreenPrivateKey;
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85 |
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86 | #define SYNC_SCREEN_PRIV(pScreen) \
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87 | (SyncScreenPrivPtr) dixLookupPrivate(&pScreen->devPrivates, \
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88 | &miSyncScreenPrivateKey)
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89 |
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90 | typedef struct _syncScreenPriv {
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91 | /* Wrappable sync-specific screen functions */
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92 | SyncScreenFuncsRec funcs;
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93 |
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94 | /* Wrapped screen functions */
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95 | CloseScreenProcPtr CloseScreen;
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96 | } SyncScreenPrivRec, *SyncScreenPrivPtr;
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97 |
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98 | #endif /* _MISYNCSTR_H_ */
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