highlighting a texture

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Stephen Maher (maher++at++holodeck.gsfc.nasa.gov)
Fri, 12 Feb 1999 17:31:29 -0500 (EST)

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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