gallium: comment/document usage flags

2010-02-24 08:59:49 -07:00
parent d1dc5b124e
commit 9f6990120a
1 changed files with 3 additions and 1 deletions
--- 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,