Re: Performer 2.0 and OpenGL

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Gene Koh (gene++at++euphoria.corp.sgi.com)
Tue, 23 Jan 1996 09:07:34 -0800

On Jan 22, 10:47am, Bruno Rassaerts wrote:
> Subject: Performer 2.0 and OpenGL
> Hi,
>
> I compiled the perfly demo program for openGL and the lighting is
> incorrect. I compiled it using "make oglopt" and some polygons are
> allways shaded black. When I compile the iris gl version, everything
> works just fine.
>
> Has anyone got this problem too ?

I saw some problems during a class when we tried to compile and link with the
OpenGL DSOs. The program loaded a terrain model and had a light source (like a
headlight) driving around the scene. Worked fine with the IRIS GL DSOs, but
with the OpenGL ones, the terrain polygons were lit different colors (should've
been green, but got some white, blue, pink, etc.).

We were running on an RE2, the terrain was the crater lake (crater.3ds? --
can't seem to load it right now), with a pfLightSource floating around.

BTW, perfly can't seem to load a .3ds file on my Indy. I have a bunch of
libpf3ds* in /usr/lib/libpfdb, but perfly gives me a message:

perfly_ogl /usr/share/Performer/data/crater.3ds
PF Warning: pfdFindConverterDSO() - Could not load DSO for
extension "3ds"
PF Info: All 1 processors available on this machine.
PF Warning: pfdFindConverterDSO() - Could not load DSO for
extension "3ds"
PF Warning: pfdLoadFile() - Unable to load file
/usr/share/Performer/data/crater.3ds because of problem finding pfdLoadFile_3ds

Am I missing something? Thanks!

-- 
gene koh		gene++at++corp.sgi.com		415.933.4230


simplicity   patience   compassion

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