From 0bed834be4a174d20b31a6cbcf066774bf749929 Mon Sep 17 00:00:00 2001
From: Michal Krol <michal@vmware.com>
Date: Thu, 3 Dec 2009 10:20:49 +0100
Subject: Move pf_is_depth_and_stencil() to u_format auxiliary module.

---
 src/gallium/auxiliary/util/u_format.h | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)

(limited to 'src/gallium/auxiliary')

diff --git a/src/gallium/auxiliary/util/u_format.h b/src/gallium/auxiliary/util/u_format.h
index cd883d38ca..e57c9e0023 100644
--- a/src/gallium/auxiliary/util/u_format.h
+++ b/src/gallium/auxiliary/util/u_format.h
@@ -141,6 +141,24 @@ util_format_is_depth_or_stencil(enum pipe_format format)
    return desc->colorspace == UTIL_FORMAT_COLORSPACE_ZS ? TRUE : FALSE;
 }
 
+static INLINE boolean 
+util_format_is_depth_and_stencil(enum pipe_format format)
+{
+   const struct util_format_description *desc = util_format_description(format);
+
+   assert(format);
+   if (!format) {
+      return FALSE;
+   }
+
+   if (desc->colorspace != UTIL_FORMAT_COLORSPACE_ZS) {
+      return FALSE;
+   }
+
+   return (desc->swizzle[0] != UTIL_FORMAT_SWIZZLE_NONE &&
+           desc->swizzle[1] != UTIL_FORMAT_SWIZZLE_NONE) ? TRUE : FALSE;
+}
+
 
 /*
  * Format access functions.
-- 
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