POV-Ray : Newsgroups : povray.unofficial.patches : Thoughts about using CUDA for rendering? : Re: Thoughts about using CUDA for rendering? Server Time
21 Sep 2021 08:01:59 EDT (-0400)
  Re: Thoughts about using CUDA for rendering?  
From: Thorsten Froehlich
Date: 3 Aug 2009 07:18:15
Message: <4a76c777$1@news.povray.org>
David Wallace wrote:
> You are talking about the vertex shader part of a graphics card and its 
> limited applicability to surfaces generated mathematically via POV-Ray. 
>  I am more interested in the pixel shader and offloading the texture 
> evaluation, especially the built-in patterns, to the graphics card. That 
> should be much easier.

Of course, and much less effective, too ;-)  Before you embark on optimizing 
a ray-tracer, you need to understand where performance bottlenecks exist 
(see literature) ... and for ray-tracing that very, very rarely is the 
texturing code.

	Thorsten


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