HI Daniel, It sounds like an OpenGL driver issue. I don't recall any hard limits w.r.t texture units with texgen but being fixed function state the driver might not map it all the way up.
Robert. On 13 December 2013 07:36, Daniel Schmid <[email protected]>wrote: > Hi there > > I noticed a limitation in TexGen. It looks like osg::TexGen can only be > used up to a texture unit between 0 and 3, starting from texture unit 4 to > 7, osg::TexGen have no more effect. > > You can easily test this with the *osgspotlight.cpp* example by changing > the following lines: > > > > Line 249: > > xform->addChild(createSpotLightNode(osg::Vec3(0.0f,0.0f,0.0f), > osg::Vec3(0.0f,1.0f,-1.0f), 60.0f, 0, 1)); > > > > replace the last number (1). > > > > > > Line 275: > > root->setStateSet(createSpotLightDecoratorState(0,1)); > > > > replace the last number (1). > > > > If you use numbers between 0..3, everything works fine, 4 and up doesn’t > work anymore. > > > > Where does this limitation come from? Is this OSG or opengl? > > > > Regards > > Daniel > > > > _______________________________________________ > osg-users mailing list > [email protected] > http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org > >
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