Follow the GLX_SGIX_fbconfig spec and return the complete list of

available fbconfigs if attrList is NULL.  This fixes bug #2917.

diff --git a/src/glx/x11/glxcmds.c b/src/glx/x11/glxcmds.c
index 8d6dca2af1bb6a9b7c0727aa289976860cc8813d..b9fa4eeb4516de02e13b16a05be61498963cb1cf 100644 (file)
--- 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 ) {