added Flush in glXCopyContext()
diff --git a/src/mesa/drivers/x11/fakeglx.c b/src/mesa/drivers/x11/fakeglx.c
index 24fc6fe..259a295 100644
--- a/src/mesa/drivers/x11/fakeglx.c
+++ b/src/mesa/drivers/x11/fakeglx.c
@@ -2,7 +2,7 @@
  * Mesa 3-D graphics library
  * Version:  6.5
  *
- * Copyright (C) 1999-2005  Brian Paul   All Rights Reserved.
+ * Copyright (C) 1999-2006  Brian Paul   All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a
  * copy of this software and associated documentation files (the "Software"),
@@ -1497,6 +1497,9 @@
    XMesaContext xm_src = fakeSrc->xmesaContext;
    XMesaContext xm_dst = fakeDst->xmesaContext;
    (void) dpy;
+   if (MakeCurrent_PrevContext == src) {
+      _mesa_Flush();
+   }
    _mesa_copy_context( &(xm_src->mesa), &(xm_dst->mesa), (GLuint) mask );
 }