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...
---
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 ff48c79..179b7d7 100644
--- a/src/glx/dri2_glx.c
+++ b/src/glx/dri2_glx.c
@@ -640,7 +640,7 @@ dri2InvalidateBuffers(Display *dpy, XID drawable)
struct dri2_drawable *pdp = (struct dri2_drawable *) pdraw;
Date: Sun, 5 Sep 2010 19:10:58 +0000
#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
}
@@ -663,7 +663,8 @@ 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
--
1.7.0.4
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