Re: [info-performer] pfChannel::clear() versus pfClear()

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From: Goncalo Carvalho (g.carvalho++at++gsa.ac.uk)
Date: 03/11/2003 01:22:08

How about in the channel draw callback do a
glClearColor(...) and glClear(...) and not use the channel->clear?

The obvious drawback is if you have an EarthSky.

The other solution is, as you noted, to use an EarthSky.

Goncalo

Bram Stolk wrote:
>
> Hello,
>
> I understand that pfChannel::clear() will, among other things,
> make a call to pfClear(PFCL_COLOR | PFCL_DEPTH, NULL)
>
> However, what if I want to control the clear color?
> pfClear() let's you do this, but how can I have the Channel use
> a non-black clear color?
>
> I tried some meddling with callbacks and clearing, but I could
> not get it to work in a quad buffered multi pipe setup. Can it be
> done without resorting to the use of an earth-sky model?
> 

-- 
Goncalo Carvalho
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