From 859cd0fd0c34ef6256b0c70cd4be0bef9797a5a0 Mon Sep 17 00:00:00 2001
From: Andrei Kortunov <andrei.kortunov@yandex.ru>
Date: Sat, 9 Jan 2021 22:47:19 +0400
Subject: [PATCH] Do not use display lists for instanced meshes

---
 apps/openmw/mwrender/groundcover.cpp | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/apps/openmw/mwrender/groundcover.cpp b/apps/openmw/mwrender/groundcover.cpp
index 1a5ccc29f6..11a155f9ff 100644
--- a/apps/openmw/mwrender/groundcover.cpp
+++ b/apps/openmw/mwrender/groundcover.cpp
@@ -95,6 +95,9 @@ namespace MWRender
                 (*rotations)[i] = mInstances[i].mPos.asRotationVec3();
             }
 
+            // Display lists do not support instancing in OSG 3.4
+            geom.setUseDisplayList(false);
+
             geom.setVertexAttribArray(6, transforms.get(), osg::Array::BIND_PER_VERTEX);
             geom.setVertexAttribArray(7, rotations.get(), osg::Array::BIND_PER_VERTEX);