Re: perfly crashes on Irix 6.5

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Max Waterman (maxw++at++sgi.com)
Tue, 20 Oct 1998 09:59:21 -0700

Steve Baker wrote:
>
> IGLOO (Iris GL on OpenGL) is kinda flakey - I wouldn't rely on it
> for anything serious.
>
> We ported our (**HUGE**) Performer APP from IrisGL to OpenGL in a
> week or so - if you use TOOGL to the the bulk editing, and check
> the places where it flags something "iffy", it all goes fairly
> smoothly.
>
> (TOOGL converts C source code containing IrisGL into C source code
> containing OpenGL calls in their place by mangling your source files
> for you).

BTW, toogl is in /usr/share/src/OpenGL/tools/toogl.

Remember to setenv OBJECT_STYLE 32 before 'make'ing.

Also, porting info is available from the quite comprehensive OpenGL Porting Guide :-

http://techpubs.sgi.com/library/dynaweb_bin/0650/bin/nph-dynaweb.cgi/dynaweb/SGI_Developer/OpenGL_Porting/++at++Generic__BookView

The guide covers most issues, including windowing and device interfacing.

Max.

>
> The biggest hassle in converting IrisGL to OpenGL is the lack of windowing
> and peripheral I/O in OpenGL. However, most Performer applications rely on
> either Performer or X-windows to do that stuff - so the conversion goes
> *reasonably* smoothly.
>
> You also have to watch out for non-power-of-two Texture maps and the
> occasional pfGeoState/pfMaterial mode that doesn't work in OpenGL.
>
> Steve Baker (817)619-2657 (Vox/Vox-Mail)
> Raytheon Systems Inc. (817)619-2466 (Fax)
> Work: SBaker++at++link.com http://www.hti.com
> Home: SJBaker1++at++airmail.net http://web2.airmail.net/sjbaker1
>
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-- 
Max Waterman. mailto:maxw++at++sgi.com  "Get off me cheese! Get off! Get off!
PSE-GPS                             Grommit, Grommit! Go for him! Off!"

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