glx: don't fail out when no configs if we have visuals

GLX 1.2 servers with no SGIX_fbconfigs exist (some citrix thing),
and we fail glxinfo completely in those cases.

CC: <mesa-stable@lists.freedesktop.org>
Reviewed-by: Adam Jackson <ajax@redhat.com>
Reviewed-by: Brian Paul <brianp@vmware.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>

diff --git a/src/glx/glxcmds.c b/src/glx/glxcmds.c
index 1d8fe83231d265a68c8c1ed1f9ecfe13b337e2e0..06c4c16d6af165510eb196f5537e688ccb179095 100644 (file)
--- a/src/glx/glxcmds.c
+++ b/src/glx/glxcmds.c
@@ -183,7 +183,7 @@ GetGLXPrivScreenConfig(Display * dpy, int scrn, struct glx_display ** ppriv,
 
    /* Check to see if the GL is supported on this screen */
    *ppsc = (*ppriv)->screens[scrn];
-   if ((*ppsc)->configs == NULL) {
+   if ((*ppsc)->configs == NULL && (*ppsc)->visuals == NULL) {
       /* No support for GL on this screen regardless of visual */
       return GLX_BAD_VISUAL;
    }