util: better comment for util_is_format_compatible()

2012-02-28 07:45:17 -07:00 · 2012-02-28 07:45:17 -07:00 · ce671c7ace
parent 9b9c7da966
commit ce671c7ace
1 changed files with 3 additions and 2 deletions
--- a/src/gallium/auxiliary/util/u_format.h
+++ b/src/gallium/auxiliary/util/u_format.h
@ -578,8 +578,9 @@ boolean
 util_format_is_pure_uint(enum pipe_format format);

 /**
- * Whether the src format can be blitted to destation format with a simple
- * memcpy.
+ * Check if the src format can be blitted to the destination format with
+ * a simple memcpy.  For example, blitting from RGBA to RGBx is OK, but not
+ * the reverse.
 */
 boolean
 util_is_format_compatible(const struct util_format_description *src_desc,