[PATCH] glx: If a destroyed window is bound to the current context, make it not current.
Michel Dänzer
michel at daenzer.net
Sat May 9 09:23:12 PDT 2009
From: Michel Dänzer <daenzer at vmware.com>
Avoids subsequent crashes due to stale pointers to the DrawableRec, see
https://bugs.freedesktop.org/show_bug.cgi?id=21132#c15 and previous comments.
---
glx/glxext.c | 4 ++++
1 files changed, 4 insertions(+), 0 deletions(-)
diff --git a/glx/glxext.c b/glx/glxext.c
index 93391e9..6bc7bef 100644
--- a/glx/glxext.c
+++ b/glx/glxext.c
@@ -126,6 +126,10 @@ static Bool DrawableGone(__GLXdrawable *glxPriv, XID xid)
__GLXcontext *c;
for (c = glxAllContexts; c; c = c->next) {
+ if (c->isCurrent && (c->drawPriv == glxPriv || c->readPriv == glxPriv)) {
+ (*c->loseCurrent)(c);
+ __glXFlushContextCache();
+ }
if (c->drawPriv == glxPriv)
c->drawPriv = NULL;
if (c->readPriv == glxPriv)
--
1.6.2.4
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