diff options
| author | Alan Hourihane <alanh@tungstengraphics.com> | 2003-12-04 13:38:06 +0000 |
|---|---|---|
| committer | Alan Hourihane <alanh@tungstengraphics.com> | 2003-12-04 13:38:06 +0000 |
| commit | 13e6a4849c6800eac454fd1010cb2320874f2ed6 (patch) | |
| tree | c311173244771131a63ba18318be645b4534521c /src/mesa/drivers/dri/ffb/ffb_lock.h | |
| parent | 15af25aca0ed6a2390fe9e0d91055cfc01134ce2 (diff) | |
add SPARC ffb DRI driver
Diffstat (limited to 'src/mesa/drivers/dri/ffb/ffb_lock.h')
| -rw-r--r-- | src/mesa/drivers/dri/ffb/ffb_lock.h | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/src/mesa/drivers/dri/ffb/ffb_lock.h b/src/mesa/drivers/dri/ffb/ffb_lock.h new file mode 100644 index 0000000000..e6295dc064 --- /dev/null +++ b/src/mesa/drivers/dri/ffb/ffb_lock.h @@ -0,0 +1,33 @@ +/* $XFree86: xc/lib/GL/mesa/src/drv/ffb/ffb_lock.h,v 1.2 2002/02/22 21:32:59 dawes Exp $ */ + +#ifndef _FFB_LOCK_H +#define _FFB_LOCK_H + +#include "ffb_context.h" + +extern void ffbXMesaUpdateState(ffbContextPtr fmesa); +#define FFB_UPDATE_STATE(fmesa) ffbXMesaUpdateState(fmesa) + +/* Lock the hardware and validate our state. */ +#if defined(__i386__) +#define LOCK_HARDWARE(fmesa) +#define UNLOCK_HARDWARE(fmesa) +#else +#define LOCK_HARDWARE(fmesa) \ + do { \ + int __ret=0; \ + DRM_CAS(fmesa->driHwLock, fmesa->hHWContext, \ + (DRM_LOCK_HELD | fmesa->hHWContext), __ret);\ + if (__ret) { \ + drmGetLock(fmesa->driFd, fmesa->hHWContext, 0); \ + FFB_UPDATE_STATE(fmesa); \ + } \ + } while (0) + + +/* Unlock the hardware. */ +#define UNLOCK_HARDWARE(fmesa) \ + DRM_UNLOCK(fmesa->driFd, fmesa->driHwLock, fmesa->hHWContext); +#endif + +#endif /* !(_FFB_LOCK_H) */ |