From c51ed8c2364b9e86a138cdb07fe2293ccc88f678 Mon Sep 17 00:00:00 2001
From: Ian Romanick <idr@us.ibm.com>
Date: Thu, 7 Apr 2005 00:05:55 +0000
Subject: [PATCH] Follow the GLX_SGIX_fbconfig spec and return the complete
 list of available fbconfigs if attrList is NULL.  This fixes bug #2917.

---
 src/glx/x11/glxcmds.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/glx/x11/glxcmds.c b/src/glx/x11/glxcmds.c
index 8d6dca2af1b..b9fa4eeb451 100644
--- a/src/glx/x11/glxcmds.c
+++ b/src/glx/x11/glxcmds.c
@@ -1678,7 +1678,7 @@ PUBLIC GLXFBConfig *GLX_PREFIX(glXChooseFBConfig)(Display *dpy, int screen,
     config_list = (__GLcontextModes **) 
 	GLX_PREFIX(glXGetFBConfigs)( dpy, screen, & list_size );
 
-    if ( (config_list != NULL) && (list_size > 0) ) {
+    if ( (config_list != NULL) && (list_size > 0) && (attribList != NULL) ) {
 	list_size = choose_visual( config_list, list_size, attribList,
 				   GL_TRUE );
 	if ( list_size == 0 ) {