From 588a9ae10d4ae54d39b4bfa69516ee434a1ad871 Mon Sep 17 00:00:00 2001
From: Julien Valentin <mp3butcher@hotmail.com>
Date: Sun, 21 Jan 2018 01:24:01 +0100
Subject: [PATCH] use introduced getBufferData to determine _target->apply
 requirements.

---
 src/osg/BindImageTexture.cpp | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/src/osg/BindImageTexture.cpp b/src/osg/BindImageTexture.cpp
index 592ffa2fb..d5a1361bf 100644
--- a/src/osg/BindImageTexture.cpp
+++ b/src/osg/BindImageTexture.cpp
@@ -19,8 +19,9 @@ void BindImageTexture::apply(osg::State&state) const
 {
     if(_target.valid())
     {
-        osg::Texture::TextureObject *to = _target->getTextureObject( state.getContextID() );
-        if( !to )
+        Texture::TextureObject *to = _target->getTextureObject( state.getContextID() );
+        GLBufferObject *globj = _target->getBufferData()->getBufferObject()->getGLBufferObject( state.getContextID() );
+        if( !globj || globj->isDirty() )
         {
             // _target never been applied yet
             _target->apply(state);