Subject:
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Re: ldglite (ldlite for OpenGL and Linux) new stuff
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Newsgroups:
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lugnet.cad.dev
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Date:
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Wed, 2 Feb 2000 17:46:34 GMT
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Viewed:
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2777 times
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In lugnet.cad.dev, Leonardo Zide writes:
> Actually the Windows version of LeoCAD takes 0.35 seconds to render on
> my P2 350 with a TNT card (the Linux version should be more a less the
> same speed). I don't use display lists, I use vertex buffers or CVA's if
> the driver supports it.
Well I haven't read the section of the book on vertex arrays yet. From a
quick glimpse I suspect they won't help me much since I'm using the LDRAW
files rather than a converted database of parts. I'm surprised you don't
use display lists at a higher level though. I would think you could model
the scene with a display list using a bunch CVAs for the pieces.
Anyways, now I have a built in excuse to be slower than LeoCAD, since vertex
arrays let you model a corner with one vertex instead of three vertices (or
something like that).
> > By the way, has anyone tested the instructions for hooking ldglite up to
> > Netscape?
>
> Where are the instructions ? Next time I boot Linux I'll give it a
> try.
According to my cheesy web site the instructions are in readme.txt in the zip
file. I haven't verified this though. Let know if they're clear enough.
Don
Oh by the way, I incorporated the bug fixes and upped the version to 0.3 at
the web site last night.
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Message has 1 Reply:
 | | Re: ldglite (ldlite for OpenGL and Linux) new stuff
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| (...) I haven't looked at your code but it looks like you're using a single buffered window, that's a huge slowdown since drivers are optimized for games and games use double buffered windows and of course, a single buffer window is always slower. I (...) (25 years ago, 2-Feb-00, to lugnet.cad.dev)
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Message is in Reply To:
| | Re: ldglite (ldlite for OpenGL and Linux) new stuff
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| (...) Actually the Windows version of LeoCAD takes 0.35 seconds to render on my P2 350 with a TNT card (the Linux version should be more a less the same speed). I don't use display lists, I use vertex buffers or CVA's if the driver supports it. (...) (25 years ago, 2-Feb-00, to lugnet.cad.dev)
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