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a09e091a JB |
1 | /* |
2 | * Copyright © 2010 NVIDIA Corporation | |
3 | * | |
4 | * Permission is hereby granted, free of charge, to any person obtaining a | |
5 | * copy of this software and associated documentation files (the "Software"), | |
6 | * to deal in the Software without restriction, including without limitation | |
7 | * the rights to use, copy, modify, merge, publish, distribute, sublicense, | |
8 | * and/or sell copies of the Software, and to permit persons to whom the | |
9 | * Software is furnished to do so, subject to the following conditions: | |
10 | * | |
11 | * The above copyright notice and this permission notice (including the next | |
12 | * paragraph) shall be included in all copies or substantial portions of the | |
13 | * Software. | |
14 | * | |
15 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | |
16 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | |
17 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL | |
18 | * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | |
19 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING | |
20 | * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER | |
21 | * DEALINGS IN THE SOFTWARE. | |
22 | */ | |
23 | ||
24 | #ifdef HAVE_DIX_CONFIG_H | |
25 | #include <dix-config.h> | |
26 | #endif | |
27 | ||
28 | #ifndef _MISYNCSTR_H_ | |
29 | #define _MISYNCSTR_H_ | |
30 | ||
31 | #include "dix.h" | |
32 | #include "scrnintstr.h" | |
33 | #include <X11/extensions/syncconst.h> | |
34 | ||
35 | #define CARD64 XSyncValue /* XXX temporary! need real 64 bit values for Alpha */ | |
36 | ||
37 | /* Sync object types */ | |
38 | #define SYNC_COUNTER 0 | |
39 | #define SYNC_FENCE 1 | |
40 | ||
41 | typedef struct _SyncObject { | |
42 | ClientPtr client; /* Owning client. 0 for system counters */ | |
43 | struct _SyncTriggerList *pTriglist; /* list of triggers */ | |
44 | XID id; /* resource ID */ | |
45 | unsigned char type; /* SYNC_* */ | |
46 | Bool beingDestroyed; /* in process of going away */ | |
47 | } SyncObject; | |
48 | ||
49 | typedef struct _SyncCounter { | |
50 | SyncObject sync; /* Common sync object data */ | |
51 | CARD64 value; /* counter value */ | |
52 | struct _SysCounterInfo *pSysCounterInfo; /* NULL if not a system counter */ | |
53 | } SyncCounter; | |
54 | ||
55 | struct _SyncFence { | |
56 | SyncObject sync; /* Common sync object data */ | |
57 | ScreenPtr pScreen; /* Screen of this fence object */ | |
58 | SyncFenceFuncsRec funcs; /* Funcs for performing ops on fence */ | |
59 | Bool triggered; /* fence state */ | |
60 | PrivateRec *devPrivates; /* driver-specific per-fence data */ | |
61 | }; | |
62 | ||
63 | struct _SyncTrigger { | |
64 | SyncObject *pSync; | |
65 | CARD64 wait_value; /* wait value */ | |
66 | unsigned int value_type; /* Absolute or Relative */ | |
67 | unsigned int test_type; /* transition or Comparision type */ | |
68 | CARD64 test_value; /* trigger event threshold value */ | |
69 | Bool (*CheckTrigger) (struct _SyncTrigger * /*pTrigger */ , | |
70 | CARD64 /*newval */ | |
71 | ); | |
72 | void (*TriggerFired) (struct _SyncTrigger * /*pTrigger */ | |
73 | ); | |
74 | void (*CounterDestroyed) (struct _SyncTrigger * /*pTrigger */ | |
75 | ); | |
76 | }; | |
77 | ||
78 | typedef struct _SyncTriggerList { | |
79 | SyncTrigger *pTrigger; | |
80 | struct _SyncTriggerList *next; | |
81 | } SyncTriggerList; | |
82 | ||
83 | extern DevPrivateKeyRec miSyncScreenPrivateKey; | |
84 | ||
85 | #define SYNC_SCREEN_PRIV(pScreen) \ | |
86 | (SyncScreenPrivPtr) dixLookupPrivate(&pScreen->devPrivates, \ | |
87 | &miSyncScreenPrivateKey) | |
88 | ||
89 | typedef struct _syncScreenPriv { | |
90 | /* Wrappable sync-specific screen functions */ | |
91 | SyncScreenFuncsRec funcs; | |
92 | ||
93 | /* Wrapped screen functions */ | |
94 | CloseScreenProcPtr CloseScreen; | |
95 | } SyncScreenPrivRec, *SyncScreenPrivPtr; | |
96 | ||
97 | #endif /* _MISYNCSTR_H_ */ |