From 4eee8e7923c38788d1246d02c127e3f2cac2d2bd Mon Sep 17 00:00:00 2001
From: Lee Salzman <lsalzman@gmail.com>
Date: Thu, 18 Sep 2008 02:29:08 +0000
Subject: [PATCH] fix for ati stenciling bug

git-svn-id: svn://svn.code.sf.net/p/actiongame/code/trunk/ac@2675 e016b1c5-ed68-44aa-a2f7-31cac88cffde
---
 source/src/shadow.cpp | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/source/src/shadow.cpp b/source/src/shadow.cpp
index dcfbc166..f5b061c7 100644
--- a/source/src/shadow.cpp
+++ b/source/src/shadow.cpp
@@ -440,7 +440,11 @@ void drawstencilshadows()
 
         glEnable(GL_DEPTH_TEST);
     }
-    
+
+    // necessary to avoid ATI bug!
+    // punts to software mode if stencil op is set, even while stencil disabled, when drawing lines!
+    glStencilOp(GL_KEEP, GL_KEEP, GL_KEEP);
+
     glDisable(GL_STENCIL_TEST);
     glEnable(GL_TEXTURE_2D);
     glEnable(GL_FOG);