Re: Twosided Lighting and Wireframe

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Sharon Clay (src++at++rose.asd.sgi.com)
Tue, 12 Nov 1996 16:02:24 -0800

+>---- On Nov 12, 1:57pm, Daniela Rainer wrote:
> Subject: Twosided Lighting and Wireframe
->Hi,
->
->I have problems with the appearance of the lines of a wireframe primitive:
->
->with a twosided lightmodel and a twosided material the lighting of
->filled primitives is correct but if I switch to wireframe mode the lighting of the lines
->is only onesided. Did I forget anything?

For speed, Performer draws wireframes as lines, as opposed to using
the GL_LINE polygon modes. This is faster, but true lines do not
have front/back faces. If you want the fancier lines, you can
call glPolygonMode() directly in the draw process and do not enable
Performer wireframe mode.

src.

-- 
-----{-----{---++at++   -----{----{---++at++   -----{----{---++at++   -----{----{---++at++
Sharon Rose Clay (Fischler) - Silicon Graphics, Advanced Systems Dev.
src++at++sgi.com  (415) 933 - 1002  FAX: (415) 965 - 2658  MS 8U-590
-----{-----{---++at++   -----{----{---++at++   -----{----{---++at++   -----{----{---++at++
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