Fix a possible segfault caused by the SGI_make_current_read changes.

diff --git a/src/mesa/drivers/dri/i830/i830_context.c b/src/mesa/drivers/dri/i830/i830_context.c
index 07a5267..b0236a5 100644 (file)
--- a/src/mesa/drivers/dri/i830/i830_context.c
+++ b/src/mesa/drivers/dri/i830/i830_context.c
@@ -508,6 +508,7 @@ GLboolean i830MakeCurrent(__DRIcontextPrivate *driContextPriv,
       if ( imesa->driDrawable != driDrawPriv ) {
         imesa->driDrawable = driDrawPriv;
         i830XMesaWindowMoved( imesa );
+        imesa->mesa_drawable = driDrawPriv;
       }
 
        imesa->driReadable = driReadPriv;