From d0020b7dfc3330c5e34085d9f4f5dc0a83a9d699 Mon Sep 17 00:00:00 2001
From: Laurens Voerman <l.voerman@rug.nl>
Date: Tue, 23 Aug 2016 14:33:24 +0200
Subject: [PATCH] bugfix: osg::TextureBuffer::clone() crash

---
 src/osg/TextureBuffer.cpp | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/osg/TextureBuffer.cpp b/src/osg/TextureBuffer.cpp
index 91eea6c51..05187932a 100644
--- a/src/osg/TextureBuffer.cpp
+++ b/src/osg/TextureBuffer.cpp
@@ -35,7 +35,9 @@ TextureBuffer::TextureBuffer(const TextureBuffer& text,const CopyOp& copyop):
     Texture(text,copyop),
     _textureWidth(text._textureWidth)
 {
-    setBufferData(osg::clone(text._bufferData.get(), copyop));
+    if (text._bufferData.valid()) {
+        setBufferData(osg::clone(text._bufferData.get(), copyop));
+    }
 }
 
 TextureBuffer::~TextureBuffer()