From ef4f5b391e560e535b25b372f797e41edeef09f1 Mon Sep 17 00:00:00 2001
From: Keith Whitwell <keith@tungstengraphics.com>
Date: Wed, 5 Dec 2001 10:24:31 +0000
Subject: add inf and nan tests to swrast functions

---
 src/mesa/swrast/s_linetemp.h | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

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

diff --git a/src/mesa/swrast/s_linetemp.h b/src/mesa/swrast/s_linetemp.h
index 0635694340..a305a45d58 100644
--- a/src/mesa/swrast/s_linetemp.h
+++ b/src/mesa/swrast/s_linetemp.h
@@ -1,4 +1,4 @@
-/* $Id: s_linetemp.h,v 1.9 2001/07/13 20:07:37 brianp Exp $ */
+/* $Id: s_linetemp.h,v 1.10 2001/12/05 10:24:31 keithw Exp $ */
 
 /*
  * Mesa 3-D graphics library
@@ -180,6 +180,13 @@
    }
 #endif
 
+   /* Cull primitives with malformed coordinates.
+    */
+   {
+      float tmp = vert0->win[0] + vert0->win[1] + vert1->win[0] + vert1->win[1];
+      if (IS_INF_OR_NAN(tmp))
+	 return;
+   }
 
 /*
  * Despite being clipped to the view volume, the line's window coordinates
-- 
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