Guessed it might be due to the bounding box issue found by Andrew Cunningham. I have now overridden the bounding box volume to return a zero size and all seems to be working as expected.
2010/1/25 Matt Franklin <[email protected]> > Okay the projection matrix when using bounding volumes ends up looking like > this: > > 2 0 0 0 > 0 2 0 0 > 0 0 -0.0001 0 > -1 -1 0 1 > > With Primitive culling the projection matrix looks like this > > 2 0 0 0 > 0 2 0 0 > 0 0 -1 0 > -1 -1 -500 1 > > Not sure why, will continue to dig around, but any pointers will be > appreciated. > > > ---------- Forwarded message ---------- > From: Matt Franklin <[email protected]> > Date: 2010/1/25 > Subject: RE: [osg-users] Fwd: DrawPixels Cull settings > To: [email protected] > > > GL_CURRENT_RASTER_POSITION_VALID is returning false,so I assume something > is happening in the projection matrices. Any ideas? > >
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