st/xorg: Old X servers don't deal well with failing accesses

diff --git a/src/gallium/state_trackers/xorg/xorg_exa.c b/src/gallium/state_trackers/xorg/xorg_exa.c
index 3f0ed3d..2633e8c 100644 (file)
--- a/src/gallium/state_trackers/xorg/xorg_exa.c
+++ b/src/gallium/state_trackers/xorg/xorg_exa.c
@@ -215,8 +215,12 @@ ExaPrepareAccess(PixmapPtr pPix, int index)
 #endif
                                        PIPE_TRANSFER_READ_WRITE,
                                        0, 0, priv->tex->width[0], priv->tex->height[0]);
-        if (!priv->map_transfer)
+       if (!priv->map_transfer)
+#ifdef EXA_MIXED_PIXMAPS
            return FALSE;
+#else
+           FatalError("failed to create transfer\n");
+#endif
 
        pPix->devPrivate.ptr =
            exa->scrn->transfer_map(exa->scrn, priv->map_transfer);