2 * Author: Max Lingua <sunmax@libero.it>
10 extern void s3vGetLock( s3vContextPtr vmesa
, GLuint flags
);
12 /* Turn DEBUG_LOCKING on to find locking conflicts.
14 #define DEBUG_LOCKING 0
17 extern char *prevLockFile
;
18 extern int prevLockLine
;
20 #define DEBUG_LOCK() \
22 prevLockFile = (__FILE__); \
23 prevLockLine = (__LINE__); \
26 #define DEBUG_RESET() \
32 #define DEBUG_CHECK_LOCK() \
34 if ( prevLockFile ) { \
36 "LOCK SET!\n\tPrevious %s:%d\n\tCurrent: %s:%d\n", \
37 prevLockFile, prevLockLine, __FILE__, __LINE__ ); \
46 #define DEBUG_CHECK_LOCK()
51 * !!! We may want to separate locks from locks with validation. This
52 * could be used to improve performance for those things commands that
53 * do not do any drawing !!!
56 /* Lock the hardware and validate our state.
58 #define LOCK_HARDWARE( vmesa ) \
62 DRM_CAS( vmesa->driHwLock, vmesa->hHWContext, \
63 (DRM_LOCK_HELD | vmesa->hHWContext), __ret ); \
65 s3vGetLock( vmesa, 0 ); \
69 /* Unlock the hardware.
71 #define UNLOCK_HARDWARE( vmesa ) \
73 DRM_UNLOCK( vmesa->driFd, \
75 vmesa->hHWContext ); \
79 #define S3VHW_LOCK( vmesa ) \
80 DRM_UNLOCK(vmesa->driFd, vmesa->driHwLock, vmesa->hHWContext); \
81 DRM_SPINLOCK(&vmesa->driScreen->pSAREA->drawable_lock, \
82 vmesa->driScreen->drawLockID); \
83 /* VALIDATE_DRAWABLE_INFO_NO_LOCK(vmesa); */
85 #define S3VHW_UNLOCK( vmesa ) \
86 DRM_SPINUNLOCK(&vmesa->driScreen->pSAREA->drawable_lock, \
87 vmesa->driScreen->drawLockID); \
88 /* VALIDATE_DRAWABLE_INFO_NO_LOCK_POST(vmesa); */
90 #define S3V_SIMPLE_LOCK( vmesa ) \
91 ioctl(vmesa->driFd, 0x4a)
93 #define S3V_SIMPLE_FLUSH_LOCK( vmesa ) \
94 ioctl(vmesa->driFd, 0x4b)
96 #define S3V_SIMPLE_UNLOCK( vmesa ) \
97 ioctl(vmesa->driFd, 0x4c)
99 #endif /* __S3V_LOCK_H__ */