Re: highlighting a texture

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Angus Dorbie (dorbie++at++sgi.com)
Fri, 12 Feb 1999 14:50:24 -0800

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
> --
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