Rendering in the overlay planes

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John C Vanderburgh (jvanderb++at++afit.af.mil)
Fri, 28 Jan 1994 11:57:38 -0500

  I'd like to render some text in the overlay planes on a (four-processor) 4D/440 VGXT
from within a Performer 1.2 (Beta) application.

    1. Does the pfInitGfx() call configure the overlay/underlay planes?
       (I assume it doesn't...)

    2. Do I need to use the GL "overlay(n)" call prior to pfInitGfx() in
       order to configure n bitplanes for the overlay planes?
       (I tried this...)

    3. Assuming that I can get past configuring some overlay planes, would
       I render in them via my "draw" callback?

  I'm not having much luck...

Thanks in advance,

John Vanderburgh
(Air Force Institute of Technology -- jvanderb++at++afit.af.mil)

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