On Sun, 29 Dec 2002, magenta wrote:

> On Sun, Dec 29, 2002 at 08:06:58PM -0600, D. Hageman wrote:
> > > 
> > > I know that my engine Solace (http://www.cs.nmsu.edu/~joshagam/Solace/)
> > > causes such artifacts... my guess is that it happens when playing back a
> > > displaylist which was created using glArrayElement().  (I'm guessing that
> > > the screenshot someone posted was using the default configurations, which
> > > does that by default.)
> > 
> > I got a couple of flickers on the right side of the middle sphere using 
> > your default radeon registry file.  When I used just the plain default 
> > registry file I got quite a few more flickers in the cartoonish sphere and 
> > the thingie on the right side.
> 
> Cartoonish sphere? Do you mean the torus group?  There's only one sphere in
> the default shader-test scene. :)

Yes, that would be the one.  If you take all the torus together it reminds 
me of a cartoonish framework for what could be overall a sphere.  Imagine 
stretching a piece of cloth around the whole grouping ...

> Also, what do you mean by flickers?

It was like the image that was supposed to be clipped because it was 
hidden became visible briefly as the light went by.  It just happens 
briefly and then it is quickly corrected.  This is probably not an 
accurate description, but there it is.

> > > Also, if whoever it was who posted that screenshot could change the Solace
> > > setting of GL_draw_method to 0 (which switches to immediate mode rendering
> > > rather than using vertex arrays) and see if that continues with the
> > > funkiness, that would be another useful data point. :)
> > 
> > Switching the GL_draw_method to 1 gave me ... from what I can tell perfect 
> > rendering ... well ... at least no flickers.
> 
> Huh.

Oops - mistype.  Switching the GL_draw method to 0 correct all of the 
anomalies I was seeing in the display.  

-- 
//========================================================\\
||  D. Hageman                    <[EMAIL PROTECTED]>  ||
\\========================================================//


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