From dcbe4d6d2f3eb2c099838875780991da34884646 Mon Sep 17 00:00:00 2001
From: Brian Paul <brian.paul@tungstengraphics.com>
Date: Thu, 13 Sep 2001 22:12:54 +0000
Subject: minor optimizations for flat shading (Klaus Niederkrueger)

---
 src/mesa/swrast/s_trispan.h | 22 +++++++++++++---------
 1 file changed, 13 insertions(+), 9 deletions(-)

(limited to 'src/mesa/swrast/s_trispan.h')

diff --git a/src/mesa/swrast/s_trispan.h b/src/mesa/swrast/s_trispan.h
index 2ac3c4d17a8..48f397e4c51 100644
--- a/src/mesa/swrast/s_trispan.h
+++ b/src/mesa/swrast/s_trispan.h
@@ -1,4 +1,4 @@
-/* $Id: s_trispan.h,v 1.2 2001/07/14 17:53:04 brianp Exp $ */
+/* $Id: s_trispan.h,v 1.3 2001/09/13 22:12:54 brianp Exp $ */
 
 /*
  * Mesa 3-D graphics library
@@ -44,14 +44,18 @@
  */
 
 
-#define SPAN_RGBA         0x01
-#define SPAN_SPEC         0x02
-#define SPAN_INDEX        0x04
-#define SPAN_Z            0x08
-#define SPAN_FOG          0x10
-#define SPAN_TEXTURE      0x20
-#define SPAN_INT_TEXTURE  0x40
-#define SPAN_LAMBDA       0x80
+/* When the triangle_span struct is initialized, these flags indicates
+ * which values are needed for rendering the triangle.
+ */
+#define SPAN_RGBA         0x001
+#define SPAN_SPEC         0x002
+#define SPAN_INDEX        0x004
+#define SPAN_Z            0x008
+#define SPAN_FOG          0x010
+#define SPAN_TEXTURE      0x020
+#define SPAN_INT_TEXTURE  0x040
+#define SPAN_LAMBDA       0x080
+#define SPAN_FLAT         0x100  /* flat shading? */
 
 
 struct triangle_span {
-- 
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