Subject:
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Re: LDGLite outputting gobble-dee-goo to terminal window
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Newsgroups:
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lugnet.cad.dev.mac
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Date:
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Mon, 28 Jul 2003 15:09:02 GMT
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Viewed:
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4715 times
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In lugnet.cad.dev.mac, Don Heyse wrote:
> > Oops... before I get to excited, moving a piece creates some bitchin'
> > trail lines :) that go away when the view is changed.
> >
> > http://users.rcn.com/cjmasi/trail_lines.png
>
> I think I may have found the cause of this one.
>
> http://www.geocrawler.com/archives/3/704/2000/9/0/4312491/
>
> This guy found the same bug on his Mac. Writing to the GL_FRONT
> buffer seems to also write over whatever you may have stashed away
> in the GL_BACK buffer.
Found a much more recent post on this indicating that it may still be
a problem with current Macs... Also contains a bit more info as to
what's really going on.
http://www.blender.org/pipermail/bf-committers/2003-June/003382.html
> The only workaround I can think of is to
> copy the image to regular system memory, or redraw the whole model
> every time you move a part. Copying an an opengl image buffer to
> system memory is typically quite slow. How slow are the full
> model redraws when you change the view?
>
> Don
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