diff options
| author | nobled <nobled@dreamwidth.org> | 2011-05-06 09:39:24 +0200 |
|---|---|---|
| committer | Michel Dänzer <daenzer@vmware.com> | 2011-05-06 09:39:24 +0200 |
| commit | a3e2c8f31f0c5d8d5c1c76e33a572c7be8938573 (patch) | |
| tree | 5163a7ab3df2a033e271f2750689ce530e4421a2 | |
| parent | 31d27259b6d682f69866ace89ffaac5294e8bf62 (diff) | |
glx: Check flush DRI extension version at runtime
The DRI driver itself might not have version 3 of the
DRI2 flush extension, in which case this would've
pointed to out of bounds memory...
| -rw-r--r-- | src/glx/dri2_glx.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/src/glx/dri2_glx.c b/src/glx/dri2_glx.c index fc0237a4f6b..b9f6f7fcf03 100644 --- a/src/glx/dri2_glx.c +++ b/src/glx/dri2_glx.c @@ -679,7 +679,7 @@ dri2InvalidateBuffers(Display *dpy, XID drawable) struct dri2_drawable *pdp = (struct dri2_drawable *) pdraw; #if __DRI2_FLUSH_VERSION >= 3 - if (pdraw && psc->f) + if (pdraw && psc->f && psc->f->base.version >= 3 && psc->f->invalidate) psc->f->invalidate(pdp->driDrawable); #endif } @@ -702,7 +702,8 @@ dri2_bind_tex_image(Display * dpy, psc = (struct dri2_screen *) base->psc; #if __DRI2_FLUSH_VERSION >= 3 - if (!pdp->invalidateAvailable && psc->f) + if (!pdp->invalidateAvailable && psc->f && + psc->f->base.version >= 3 && psc->f->invalidate) psc->f->invalidate(pdraw->driDrawable); #endif |