POV-Ray : Newsgroups : povray.general : some questions : Re: some questions Server Time
30 Jul 2024 22:19:49 EDT (-0400)
  Re: some questions  
From: Jan Dvorak
Date: 7 May 2008 11:54:43
Message: <4821d0c3@news.povray.org>
Aydan napsal(a):
>> Now, if i don't sound too bothering, i would like to ask 'why' on those two big
>> NO's ( about GPGPU and about AA on the GPU ), if that's not a huge explanation
>> of course.
>>
>> Thanks in advance
>>
>> E.T.
> 1) since povray is portable to many OSes and there's no uniform way of doing
> GPGPU stuff (yet), this is a kill criterium.
> 
> 2) the GPU can only antialias what it knows, and the GPU only knows how to
> render meshes and bitmap textures. Since povray doesn't normally use meshes ore
> bitmap textures , the GPU wouldn't know what to antialias.
> 
> correct me if i'm wrong
> 
> greets
> Aydan
> 
> 
another main reason is that graphics card is essentially a scanline 
renerer, not raytracer. It cannot handle things like refraction and 
reflection (though a planar reflection can be achieved manually via a 
stencil buffer). It reduces the usage a lot.

-- 
the ultimate time-killer:
+a0.0 +am2 +r9

Johnny D


Post a reply to this message

Copyright 2003-2023 Persistence of Vision Raytracer Pty. Ltd.