Subject:
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Re: LDraw File Format Spec 1.0 DRAFT - Call for Public Comments
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Newsgroups:
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lugnet.cad
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Date:
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Tue, 21 Aug 2007 20:33:58 GMT
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Viewed:
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3457 times
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In lugnet.cad, Travis Cobbs wrote:
>
> OpenGL is designed for high performance, and explicitly states either that they
> are forbidden, or the behavior is undefined (probably the latter). OpenGL has
> the same restrictions on polygons though. If you want your OpenGL program to
> support concave polygons, you have to tesselate them into triangles yourself.
>
> --Travis
Page 16 of the OpenGL spec, v2.1 states:
"Only convex polygons are guaranteed to be drawn correctly by the GL."
Rob
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