[info-performer] 12 bit IA and RGBA texture

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From: faculaganymede (faculaganymede++at++yahoo.com)
Date: 01/08/2004 14:49:54

By the way, I am working on an Onyx 300 -
InfiniteReality3,
running IRIX 6.5.20m and Performer
3.0.

--- faculaganymede <faculaganymede++at++yahoo.com> wrote:
> Date: Thu, 8 Jan 2004 11:26:33 -0800 (PST)
> From: faculaganymede <faculaganymede++at++yahoo.com>
> Subject: 12 bit IA and RGBA texture
> To: SGI Performer MailList <info-performer++at++sgi.com>
>
> Hi all,
>
> Happy New Year! I've got a question on 12 bit IA
> and
> RGBA texture.
>
> We have two OpenFlight models, one has a 12 bit IA
> texture and the other has a 12 bit RGBA texture. I
> read the models with Perfly but the textures were
> not
> shown correctly; the 12 bit texture appears as if
> only
> the lower 8 bits of texel are being used.
>
> I've also written a small program to traverse the
> model node and modify the texture internal format to
> PFTEX_IA_12 and PFTEX_RGBA_12, respectively, but
> that
> did work either:
>
> pfTexture::setFormat(...PFTEX_INTERNAL_FORMAT...)
>
> Any suggestions are welcomed? Is this an OpenFlight
> Loader problem? Please advise.
>
>
> =====
> Thanks,
> faculaganymede
>
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=====
Thanks,
faculaganymede

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