Mesa (master): gallium/util: add util_format_is_srgb() helper

[Brian Paul]

Module: Mesa
Branch: master
Commit: ff6cf60cb80c3bc31d9a4307c32185f65054bc58
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=ff6cf60cb80c3bc31d9a4307c32185f65054bc58

Author: Brian Paul <brianp at vmware.com>
Date:   Wed Jul 27 16:08:13 2011 -0600

gallium/util: add util_format_is_srgb() helper

---

 src/gallium/auxiliary/util/u_format.h |    7 +++++++
 1 files changed, 7 insertions(+), 0 deletions(-)

diff --git a/src/gallium/auxiliary/util/u_format.h b/src/gallium/auxiliary/util/u_format.h
index 964f19c..98528ea 100644
--- a/src/gallium/auxiliary/util/u_format.h
+++ b/src/gallium/auxiliary/util/u_format.h
@@ -410,6 +410,13 @@ util_format_is_s3tc(enum pipe_format format)
    return desc->layout == UTIL_FORMAT_LAYOUT_S3TC ? TRUE : FALSE;
 }
 
+static INLINE boolean 
+util_format_is_srgb(enum pipe_format format)
+{
+   const struct util_format_description *desc = util_format_description(format);
+   return desc->colorspace == UTIL_FORMAT_COLORSPACE_SRGB;
+}
+
 static INLINE boolean
 util_format_has_depth(const struct util_format_description *desc)
 {