From fbef500fb334cc47a5ff665377d4ceb6016d221e Mon Sep 17 00:00:00 2001
From: mittorn <mittorn@sibmail.com>
Date: Wed, 17 Apr 2019 06:15:24 +0700
Subject: [PATCH] ref_soft: Fix division by zero

---
 r_surf.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/r_surf.c b/r_surf.c
index 954e3b3b..909370b2 100644
--- a/r_surf.c
+++ b/r_surf.c
@@ -1198,6 +1198,9 @@ void R_DrawSurfaceDecals()
 			w = w >> r_drawsurf.surfmip;
 			h = h >> r_drawsurf.surfmip;
 
+			if( w < 1 || h < 1 )
+				continue;
+
 			if( x < 0 )
 			{
 				s1 += (-x)*(s2-s1) / w;