Random spikes in OpenGL.

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On Sun, 10 Feb 2002, Luke A. Guest wrote:

>I have rh7.2 with a Voodoo3 2000 PCI card, but when I run any 3D programs, I 
>get random triangles all over the place. It is possible to work with, but a 
>little annoying when these spikes are drawn - it makes the display look 
>flickery.
>
>I never get any response on USENET, so I thought I'd try here.
>
>Anyone have any idea as to what it is seeing as X/GL has worked fine under 
>previous versions?

There are some problems with Mesa and/or Glide3 which cause this, 
however nobody familiar with either has been interested enough in 
that hardware to try and fix the problem I believe.

Our Glide3 contains the last Glide3 updates, so if the problem is 
in Glide3, it is still a problem.  If the problem is in Mesa, it 
is possible but IMHO unlikely to have been fixed in what we have 
in rawhide.  Mesa 4.0 is another possibility also, but getting 
it, installing it, is not at all an easy task.

My recommendation is to try XFree86 4.2.0 from rawhide and see if 
the problem is fixed now, and if not, report back here.  When I 
go around the circle back to my tdfx cards again, I'll play 
around and see if I can poke a fix out of Brian Paul or Darryl 
Strauss perhaps.  ;o)

Don't hold your breath though, 3dfx hardware development pretty 
much ceased over a year ago.  ;o(

Take care,
TTYL


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