glx: If a destroyed window is bound to the current context, make it not current.
Avoids subsequent crashes due to stale pointers to the DrawableRec, see https://bugs.freedesktop.org/show_bug.cgi?id=21132#c15 and previous comments. Signed-off-by: Michel Dänzer <daenzer@vmware.com>
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@ -126,6 +126,10 @@ static Bool DrawableGone(__GLXdrawable *glxPriv, XID xid)
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__GLXcontext *c;
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__GLXcontext *c;
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for (c = glxAllContexts; c; c = c->next) {
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for (c = glxAllContexts; c; c = c->next) {
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if (c->isCurrent && (c->drawPriv == glxPriv || c->readPriv == glxPriv)) {
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(*c->loseCurrent)(c);
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__glXFlushContextCache();
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}
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if (c->drawPriv == glxPriv)
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if (c->drawPriv == glxPriv)
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c->drawPriv = NULL;
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c->drawPriv = NULL;
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if (c->readPriv == glxPriv)
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if (c->readPriv == glxPriv)
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