From 1a3e034b122267c4e63ba994c56caead5d9d6434 Mon Sep 17 00:00:00 2001
From: Brian Paul <brian.paul@tungstengraphics.com>
Date: Thu, 10 May 2001 18:01:19 +0000
Subject: redo previous change in a more defensive way

---
 src/mesa/swrast/s_aatritemp.h | 12 +++++++-----
 1 file changed, 7 insertions(+), 5 deletions(-)

(limited to 'src/mesa')

diff --git a/src/mesa/swrast/s_aatritemp.h b/src/mesa/swrast/s_aatritemp.h
index df68093292..64da824bed 100644
--- a/src/mesa/swrast/s_aatritemp.h
+++ b/src/mesa/swrast/s_aatritemp.h
@@ -1,4 +1,4 @@
-/* $Id: s_aatritemp.h,v 1.12 2001/05/10 17:55:54 brianp Exp $ */
+/* $Id: s_aatritemp.h,v 1.13 2001/05/10 18:01:19 brianp Exp $ */
 
 /*
  * Mesa 3-D graphics library
@@ -321,10 +321,11 @@
             coverage = compute_coveragef(pMin, pMid, pMax, ix, iy);
          }
 
-         n = (GLuint) ix - (GLuint) startX;
-         if (n == 0)
+         if (ix <= startX)
             continue;
 
+         n = (GLuint) ix - (GLuint) startX;
+
 #ifdef DO_MULTITEX
 #  ifdef DO_SPEC
          _mesa_write_multitexture_span(ctx, n, startX, iy, z, fog,
@@ -442,10 +443,11 @@
             coverage = compute_coveragef(pMin, pMax, pMid, ix, iy);
          }
 
-         n = (GLuint) startX - (GLuint) ix;
-         if (n == 0)
+         if (startX <= ix)
             continue;
 
+         n = (GLuint) startX - (GLuint) ix;
+
          left = ix + 1;
 #ifdef DO_MULTITEX
          {
-- 
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