From 5f9c6a01704e26e6760cc023e09ab1dcf0da1a15 Mon Sep 17 00:00:00 2001
From: Robert Osfield <robert@openscenegraph.com>
Date: Tue, 4 Sep 2018 15:26:30 +0100
Subject: [PATCH] Changed the ShapeDrawable::build() methpd so that it does run
 when the ShadpwDrawabe is a KdTree.

---
 src/osg/ShapeDrawable.cpp | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/osg/ShapeDrawable.cpp b/src/osg/ShapeDrawable.cpp
index 12bed5d2d..635df73d1 100644
--- a/src/osg/ShapeDrawable.cpp
+++ b/src/osg/ShapeDrawable.cpp
@@ -13,6 +13,7 @@
 #include <osg/ShapeDrawable>
 #include <osg/GL>
 #include <osg/Notify>
+#include <osg/KdTree>
 
 using namespace osg;
 
@@ -76,6 +77,9 @@ void ShapeDrawable::setTessellationHints(TessellationHints* hints)
 
 void ShapeDrawable::build()
 {
+    // we can't create a tessellation for a KdTree
+    if (dynamic_cast<KdTree*>(_shape.get())!=0) return;
+
     // reset all the properties.
     setVertexArray(0);
     setNormalArray(0);