Phil Keslin (philk++at++cthulhu.engr.sgi.com)
Fri, 12 Feb 1999 14:58:38 -0800
Angus suggested the TLUT, but what about modulating the texture with a
different color?
- Phil
Angus Dorbie wrote:
>
> It does affect your texture download path but you'd have to resend from
> the host.
>
> You could use a TLUT, texture lookup table, or you could perhaps change
> the texture environment.
>
> Cheers,Angus.
>
> Stephen Maher wrote:
> >
> > Hi,
> >
> > I'm trying to find a way to slightly change the appearance of a
> > texture (including clip textures) on the fly to make it appear
> > "highlighted" or "selected".
> >
> > I first tried modifying the GL_COLOR_MATRIX_SGI, but I guess the "imaging
> > pipeline" that it effects, as described in the OpenGL on SGI doc, is the
> > glDrawPixel, etc., path, not the texture mapping path.
> >
> > And clever ideas?
> >
> > Thanks,
> > Steve
> > --
> > stephen.maher++at++gsfc.nasa.gov (301) 286-3368 fax:(301) 286-1776
> > http://holodeck.gsfc.nasa.gov/vr/vr.html
> > NASA Goddard Space Flight Center
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> --
> "Only the mediocre are always at their best." -- Jean Giraudoux
>
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-- Phil Keslin <philk++at++engr.sgi.com>
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