On 2/7/06, Andreas Zieringer <[EMAIL PROTECTED]> wrote: > Hi Josef, > > > Hi, > > > > I successfully used ShadowMapViewport to cast shadows, but I have two > > questions: > > > > I've noticed that texture unit 3 is used to access shadow texture. Is > > it possible to change the texture unit number? > > not yet but I could add it.
This would be an appreciated and useful feature for OpenSG 2.0 > The whole ShadowMapViewport is a hack. To do > this right we would have to rewrite the whole RenderAction and more. But > in OpenSG 2.0 there is a completly rewritten RenderAction with shadow > mapping support. Well 2.0 is not ready yet :-( Can I ask when release 2.0 is scheduled? Are we talking of weeks or months? I ask you because I must decide whether wait for the release or continue in the ShadowMapViewport direction. > > > When using shadows combined with my shaders, it runs extremely slow, > > even if I use simple geometries like spheres. Is it possible that > > during the first pass of rendering (where depth map from the light > > point of view is calculated) the shaders are rendered too, even if not > > they are not needed? Is there a way to disable them, only in the first > > pass? > > Yes that's a known bug. A quite simple solution would be to replace the > core of the root node with a MaterialGroup (this will overwrite all > other materials) while rendering the depth map. OK, this means that I've to inherit the ShadowMapVieport and add this functionality? Am I right? > > Andreas > Thank you, -- Josef Grunig www.blending-life.org ------------------------------------------------------- This SF.net email is sponsored by: Splunk Inc. Do you grep through log files for problems? Stop! Download the new AJAX search engine that makes searching your log files as easy as surfing the web. DOWNLOAD SPLUNK! http://sel.as-us.falkag.net/sel?cmd=lnk&kid3432&bid#0486&dat1642 _______________________________________________ Opensg-users mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/opensg-users
