From 7f6466d6f1d622457eb38e1c0e54b2ed1448be0e Mon Sep 17 00:00:00 2001
From: ehofman <ehofman>
Date: Sun, 17 Oct 2004 17:23:19 +0000
Subject: [PATCH] Frederic Bouvier:

This is a patch to make display list usage optional. They are on by default.
Use --prop:/sim/rendering/use-display-list=false to use immediate mode.
There is also a change in exception handling in main.cxx and bootstrap.cxx
---
 src/Scenery/tileentry.cxx | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/Scenery/tileentry.cxx b/src/Scenery/tileentry.cxx
index be3026ec4..3ccf0e79d 100644
--- a/src/Scenery/tileentry.cxx
+++ b/src/Scenery/tileentry.cxx
@@ -1006,7 +1006,9 @@ FGTileEntry::add_ssg_nodes( ssgBranch *terrain_branch,
     // bump up the ref count so we can remove this later without
     // having ssg try to free the memory.
 #if PLIB_VERSION > 183
-    makeDList( terra_transform );
+    if ( fgGetBool( "/sim/rendering/use-display-list", true ) ) {
+        makeDList( terra_transform );
+    }
 #endif
 
     terra_transform->ref();