Re: Lights (was Re: 64 bit version of Quesa)

[James W. <ja...@fr...>]

Roger Holmes wrote:

> No. My mental model is that of the plug-in (shadow) renderer we ship  
> for Quesa, which I wrote. To speed up rendering, I do not do the slow  
> calculations for the texturing, shading, lighting (and shadowing) of  
> a z buffer pixel until I know it is front most. Game programmers have  
> control of their data and can cull lots of stuff which is behind  
> other items, but for fully user defined data this is not easy,  
> probably impossible without using more time than it saves. So for  
> each front most pixel there are dozens behind, and with user defined  
> ordering of the data that means I can save doing the calculations for  
> many of them.

Oh, interesting.  Does your renderer use the GPU or is it all on the CPU?

By the way, I notice that Quesa's contributors page has broken links for 
MicroSpot.  Do you have replacements for them?
-- 
   James W. Walker, Innoventive Software LLC
   <http://www.frameforge3d.com/>