From Mike Weiblen, added check to make sure that vertex texture was supported in the OpenGL driver.
From Mike Weiblen, added check to make sure that vertex texture was
supported in the OpenGL driver.


tomasthoresen/osg,artoolkit/osg,scrawl/osg,jtorresfabra/osg,marchelbling/osg,tomasthoresen/osg,artoolkit/osg,jtorresfabra/osg,scrawl/osg,openscenegraph/osg,artoolkit/osg,openscenegraph/osg,openscenegraph/osg,openscenegraph/osg,tomasthoresen/osg,tomasthoresen/osg,scrawl/osg,marchelbling/osg,jtorresfabra/osg,marchelbling/osg,artoolkit/osg,jtorresfabra/osg,scrawl/osg,marchelbling/osg