From a368ab757edf36ed7bbda023673d28883ce11231 Mon Sep 17 00:00:00 2001
From: Dave Airlie <airlied@linux.ie>
Date: Tue, 22  Apr  2008  05:13:57  +0000
Subject: GLcore: make googleearth not crash the server on sw-rendering.

I don't think this is the 100% correct answer as I get log spam saying
(EE) DoSwapInterval: cx = 0x98b8998, GLX screen = 0x96dd780
(EE) AIGLX: cx->pGlxScreen->swapInterval == NULL

but thats better than X exiting in my book.
---
diff --git a/GL/glx/glxglcore.c b/GL/glx/glxglcore.c
index 1eac0eb..c8a2514 100644
--- a/GL/glx/glxglcore.c
+++ b/GL/glx/glxglcore.c
@@ -432,6 +432,7 @@ __glXMesaScreenProbe(ScreenPtr pScreen)
     screen->base.destroy        = __glXMesaScreenDestroy;
     screen->base.createContext  = __glXMesaScreenCreateContext;
     screen->base.createDrawable = __glXMesaScreenCreateDrawable;
+    screen->base.swapInterval  = NULL;
     screen->base.pScreen       = pScreen;
 
     return &screen->base;
--
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