POV-Ray : Newsgroups : povray.beta-test : Radiosity Status: Giving Up... : Re: Radiosity Status: Giving Up... Server Time
29 Jul 2024 10:27:52 EDT (-0400)
  Re: Radiosity Status: Giving Up...  
From: Warp
Date: 31 Dec 2008 20:39:34
Message: <495c1ed6@news.povray.org>
Thorsten Froehlich <tho### [at] trfde> wrote:
> >   That's a really odd statement. I didn't know that the FPU or the x87
> > instruction set required OS support. (Can the OS even force programs to
> > not use x87 instructions if it wanted to?

> Yes, by not saving and restoring the x87 "register" stack when switching 
> threads or making operating system calls. You need OS support for that.

  That would be a rather broken OS.

-- 
                                                          - Warp


Post a reply to this message

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