Sweeping through my tree I found a few things that I think are generally
useful.
For this patch I don't remember the application that triggered this, but
I did see the problem in practice in some obscure test application, IIRC.
-Nathan
>From 204399556e5a62964a3ba442f2abb9648313c6fa Mon Sep 17 00:00:00 2001
From: Nathan Kidd <nk...@opentext.com>
Date: Thu, 26 Feb 2015 11:55:45 -0500
Subject: [PATCH 1/8] Do nothing in glXUseXFont if there's no current context
The GLX 1.4 spec section 3.3.11 states:
"glXUseXFont is ignored if there is no current GLX rendering context."
---
server/xfonts.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/server/xfonts.c b/server/xfonts.c
index d49bf67..e6d6a38 100644
--- a/server/xfonts.c
+++ b/server/xfonts.c
@@ -134,6 +134,7 @@ void Fake_glXUseXFont(Font font, int first, int count, int listbase)
try {
GLXDrawable draw = _glXGetCurrentDrawable();
+ if (!draw) return;
if(winhash.find(draw, pbw))
{
/* Current drawable is a virtualized Window */
--
1.9.1
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