diff options
author | Dave Airlie <airlied@redhat.com> | 2010-06-21 14:08:50 +1000 |
---|---|---|
committer | Keith Packard <keithp@keithp.com> | 2010-06-22 11:40:15 -0700 |
commit | c6bc52cb6663138d1273447cb7661fa6e958f539 (patch) | |
tree | 65d6e33eafa7af6dffa9fc9f17b4d05e25a917a6 /glx | |
parent | 80d1a548d6ce73c2ff097536c1bc7044bf74965d (diff) |
dri2: avoid crash with old dri drivers.
I built latest server and copied over a mesa 7.8 dri2 driver to use with it,
and it crashed in here starting compiz. Looks like we need to validate the
flush extension is registered before calling invalidate.
Signed-off-by: Dave Airlie <airlied@redhat.com>
Reviewed-by: Michel Dänzer <michel@daenzer.net>
Reviewed-by: Keith Packard <keithp@keithp.com>
Signed-off-by: Keith Packard <keithp@keithp.com>
Diffstat (limited to 'glx')
-rw-r--r-- | glx/glxdri2.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/glx/glxdri2.c b/glx/glxdri2.c index 177c73ca2..970a51ae3 100644 --- a/glx/glxdri2.c +++ b/glx/glxdri2.c @@ -435,7 +435,8 @@ __glXDRIinvalidateBuffers(DrawablePtr pDraw, void *priv) __GLXDRIdrawable *private = priv; __GLXDRIscreen *screen = private->screen; - (*screen->flush->invalidate)(private->driDrawable); + if (screen->flush) + (*screen->flush->invalidate)(private->driDrawable); #endif } |