From: Brian Paul <brianp@vmware.com>
Date: Wed, 24 Feb 2010 15:59:49 +0000 (-0700)
Subject: gallium: comment/document usage flags
X-Git-Tag: mesa-7.8~496
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=9f6990120ace5725e16ee2dd9a59da76fe1041cc;p=platform%2Fupstream%2Fmesa.git

gallium: comment/document usage flags
---

diff --git a/src/gallium/include/pipe/p_screen.h b/src/gallium/include/pipe/p_screen.h
index 48625bf..e4a9222 100644
--- a/src/gallium/include/pipe/p_screen.h
+++ b/src/gallium/include/pipe/p_screen.h
@@ -121,7 +121,9 @@ struct pipe_screen {
 
    void (*texture_destroy)(struct pipe_texture *pt);
 
-   /** Get a surface which is a "view" into a texture */
+   /** Get a 2D surface which is a "view" into a texture
+    * \param usage  bitmaks of PIPE_BUFFER_USAGE_* read/write flags
+    */
    struct pipe_surface *(*get_tex_surface)(struct pipe_screen *,
                                            struct pipe_texture *texture,
                                            unsigned face, unsigned level,