From: Kristian Høgsberg <krh@redhat.com>
Date: Mon, 10 Mar 2008 21:59:46 +0000 (-0400)
Subject: Only try to call DRI function if DRI got initialized properly.
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=3731159ec6e1527655d91b3eb364d5c2d252ac60;p=mesa.git

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 c761ddf29ff..1437ea54425 100644
--- 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 47f8da04b29..bb3fc894033 100644
--- 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();