You should be able to use fog to achieve the effect of depth cueing.  Just
make the fog the same color as your background (e.g. black fog for a black
background).  Note that this won't work with a Background which has
anything but a solid color.

Note that my experience with fog is that the visual results will vary based
on which combination of gfx card, driver, and OS you are using.

--Mark

At 10:36 AM 8/2/2001 +0200, you wrote:
>I wonder if there is a faster way to do depth cueing than
>geting the whole Z-Buffer and colorbuffer and do it by hand?
>As it's interesting to see that already the very old PHIGS+
>had support for it.


Mark Ferneau                    240-462-6262 (cell)
Director of Adv. Technology             801-437-4608 (efax)
Xtivia Technologies, Inc.               732-248-9399 x629 (NJ office)
[EMAIL PROTECTED]                      301-279-5703 (home office)
http://www.xtivia.com/          [EMAIL PROTECTED] (wireless email)

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