check span.y >=0 (bug 4842)

2005-10-21 18:35:35 +00:00
parent e516654dec
commit 7d3b26022b
1 changed files with 4 additions and 1 deletions
@@ -1181,7 +1181,10 @@ static void NAME(GLcontext *ctx, const SWvertex *v0,
               } /* span.end > 1 */

               /* This is where we actually generate fragments */
-               if (span.end > 0) {
+               /* XXX the test for span.y > 0 _shouldn't_ be needed but
+                * it fixes a problem on 64-bit Opterons (bug 4842).
+                */
+               if (span.end > 0 && span.y >= 0) {
                  RENDER_SPAN( span );
               }