From 7dd03202361a0ee5bb751e6cf19417ba2fbd04b4 Mon Sep 17 00:00:00 2001
From: Robert Osfield <robert@openscenegraph.com>
Date: Thu, 2 Nov 2017 18:43:05 +0000
Subject: [PATCH] Added check for a valud positions pointer

---
 src/osgPlugins/gles/GeometryCleaner | 15 +++++++++------
 1 file changed, 9 insertions(+), 6 deletions(-)

diff --git a/src/osgPlugins/gles/GeometryCleaner b/src/osgPlugins/gles/GeometryCleaner
index 41310281a..adcef5703 100644
--- a/src/osgPlugins/gles/GeometryCleaner
+++ b/src/osgPlugins/gles/GeometryCleaner
@@ -39,12 +39,15 @@ public:
         }
         else {
             osg::Vec3Array* positions = dynamic_cast<osg::Vec3Array*>(geometry.getVertexArray());
-            SubGeometry cleaned(geometry,
-                                clean(*positions, getTriangles(geometry), 3),
-                                clean(*positions, getLines(geometry), 2),
-                                clean(*positions, getWireframe(geometry), 2),
-                                clean(*positions, getPoints(geometry), 1));
-            _clean.push_back(cleaned.geometry());
+            if (positions)
+            {
+                SubGeometry cleaned(geometry,
+                                    clean(*positions, getTriangles(geometry), 3),
+                                    clean(*positions, getLines(geometry), 2),
+                                    clean(*positions, getWireframe(geometry), 2),
+                                    clean(*positions, getPoints(geometry), 1));
+                _clean.push_back(cleaned.geometry());
+            }
         }
 
         return _clean;