Fixed the pixelFormat to be RGBA.
Fixed the pixelFormat to be RGBA.


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