Re: Announcing shadow rendering feature

[James W. W. <os...@jw...>]

On Jun 6, 2007, at 9:04 AM, James W. Walker wrote:

>
> On Jun 6, 2007, at 2:22 AM, Daniele Cavallini wrote:
>
>> Do you think It will be possibile work with orthographic cameras into
>> future?
>
> I don't know how.  The problem is that the shadow volume algorithm
> involves rendering infinite points, which requires setting yon to
> infinity.  But there is no sensible way to set yon to infinity for an
> orthographic camera.

I read something saying that if you have the GL_NV_depth_clamp  
extension, you can do it without an infinite yon.