From 54e92e8420a028f07b0971ee8aa93be9b4214579 Mon Sep 17 00:00:00 2001
From: Brian Paul <brian.paul@tungstengraphics.com>
Date: Sun, 16 Mar 2003 22:02:36 +0000
Subject: Store partial derivative values in sw_span structure. Implemented DDX
 and DDY fragment program instructions (whew!) Not fully tested yet.

---
 src/mesa/swrast/s_span.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

(limited to 'src/mesa/swrast/s_span.c')

diff --git a/src/mesa/swrast/s_span.c b/src/mesa/swrast/s_span.c
index cb02ab924d..842f3be3c2 100644
--- a/src/mesa/swrast/s_span.c
+++ b/src/mesa/swrast/s_span.c
@@ -1,4 +1,4 @@
-/* $Id: s_span.c,v 1.58 2003/03/15 17:33:27 brianp Exp $ */
+/* $Id: s_span.c,v 1.59 2003/03/16 22:02:37 brianp Exp $ */
 
 /*
  * Mesa 3-D graphics library
@@ -76,7 +76,7 @@ void
 _mesa_span_default_fog( GLcontext *ctx, struct sw_span *span )
 {
    span->fog = _mesa_z_to_fogfactor(ctx, ctx->Current.RasterDistance);
-   span->fogStep = 0;
+   span->fogStep = span->dfogdx = span->dfogdy = 0.0F;
    span->interpMask |= SPAN_FOG;
 }
 
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