Only try to call DRI function if DRI got initialized properly.

diff --git a/src/glx/x11/glxcmds.c b/src/glx/x11/glxcmds.c
index c761ddf..1437ea5 100644 (file)
--- a/src/glx/x11/glxcmds.c
+++ b/src/glx/x11/glxcmds.c
@@ -360,6 +360,10 @@ CreateContext(Display *dpy, XVisualInfo *vis,
              Bool use_glx_1_3, int renderType)
 {
     GLXContext gc;
+#ifdef GLX_DIRECT_RENDERING
+    int screen = (fbconfig == NULL) ? vis->screen : fbconfig->screen;
+    __GLXscreenConfigs * const psc = GetGLXScreenConfigs(dpy, screen);
+#endif
 
     if ( dpy == NULL )
        return NULL;
@@ -373,9 +377,7 @@ CreateContext(Display *dpy, XVisualInfo *vis,
            return NULL;
 
 #ifdef GLX_DIRECT_RENDERING
-       if (allowDirect) {
-           int screen = (fbconfig == NULL) ? vis->screen : fbconfig->screen;
-           __GLXscreenConfigs * const psc = GetGLXScreenConfigs(dpy, screen);
+       if (allowDirect && psc->driScreen) {
            const __GLcontextModes * mode;
 
            if (fbconfig == NULL) {

diff --git a/src/glx/x11/glxext.c b/src/glx/x11/glxext.c
index 47f8da0..bb3fc89 100644 (file)
--- a/src/glx/x11/glxext.c
+++ b/src/glx/x11/glxext.c
@@ -771,7 +771,8 @@ static Bool AllocAndFetchScreenConfigs(Display *dpy, __GLXdisplayPrivate *priv)
        psc->scr = i;
        psc->dpy = dpy;
 #ifdef GLX_DIRECT_RENDERING
-       psc->driScreen = (*priv->driDisplay->createScreen)(psc, i, priv);
+       if (priv->driDisplay)
+           psc->driScreen = (*priv->driDisplay->createScreen)(psc, i, priv);
 #endif
     }
     SyncHandle();