For a point of reference, the OverlayNode in 2.x now has a perspective view dependent path that uses a similar technique to perspective shadow maps. The shaders required are already in GLSL of course ;-)
On 8/15/07, Mihai Radu <[EMAIL PROTECTED]> wrote: > Hello, > > The implementation that Vlad has on the site is based on Dx9, so to > bring it to OSG it would need to be re-written in OpenGL. > > I'll take a look at the paper to see the math involved, and maybe Vlad's > interested in getting involved in the re-implementation, I certainly am. > > From what I saw in the running demo, XPSM seems to have way less surface > artifacts, so it's got my attention. > > Cheers > Mihai > > Adrian Egli wrote: > > Would it be possible to integrate it into OSG ? > > > > > > 2007/8/14, Vladislav Gusev <[EMAIL PROTECTED] <mailto:[EMAIL PROTECTED]>>: > > > > Extended PSM (XPSM) provides practical solution for real time > > shadows rendering. Distinguishing features of this method from other > > shadow map reparameterization techniques is: > > * high quality shadows, based on suboptimal projective space > > parameterization > > * complete artifact reduction with correct post perspective space Z bias > > * stability, free from singularities > > * easy integration into any shadow map based engine > > * patent clearance > > > > Screenshots: > > http://xpsm.org/img/xpsmscreen1.jpg > > http://xpsm.org/img/xpsmscreen1.jpg > > > > Research paper, demo, code at http://xpsm.org > > > > > > > > _______________________________________________ > > osg-users mailing list > > [email protected] > > <mailto:[email protected]> > > > > http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org > > > > <http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org> > > > > > > > > > > -- > > ******************************************** > > Adrian Egli > > > > > > ------------------------------------------------------------------------ > > > > _______________________________________________ > > osg-users mailing list > > [email protected] > > http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org > > > _______________________________________________ > osg-users mailing list > [email protected] > http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org > > > _______________________________________________ osg-users mailing list [email protected] http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org
