Mesa (gallium-resources): gallium: fix comment

[Roland Scheidegger]

Module: Mesa
Branch: gallium-resources
Commit: 52953cd7b0e51deafecb812bdc40f9e45f9ac62a
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=52953cd7b0e51deafecb812bdc40f9e45f9ac62a

Author: Roland Scheidegger <sroland at vmware.com>
Date:   Fri Apr  9 18:02:11 2010 +0200

gallium: fix comment

---

 src/gallium/auxiliary/util/u_simple_screen.h |    4 +---
 1 files changed, 1 insertions(+), 3 deletions(-)

diff --git a/src/gallium/auxiliary/util/u_simple_screen.h b/src/gallium/auxiliary/util/u_simple_screen.h
index 1ba59af..de6325f 100644
--- a/src/gallium/auxiliary/util/u_simple_screen.h
+++ b/src/gallium/auxiliary/util/u_simple_screen.h
@@ -74,9 +74,7 @@ struct pipe_winsys
     * other way around...).
     *
     * usage is a bitmask of PIPE_BIND_*.
-    * XXX is this true?
-    * This usage argument is only an optimization hint, not a guarantee,
-    * therefore proper behavior must be observed in all circumstances.
+    * All possible usages must be present.
     *
     * alignment indicates the client's alignment requirements, eg for
     * SSE instructions.