Re: Updating pfFog

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Angus Dorbie (dorbie++at++bitch.reading.sgi.com)
Mon, 13 Nov 1995 16:52:27 +0100

You may just have an override applied to the fog state in which case
you should try turning override off for PFSTATE_FOG prior to applying
it.

If this isn't the problem then read on.

Is this a Performer 2.0 beta youre using?

Try binding another pfFog, then bind your original, or perhaps to
be more efficient just double buffer the fog and modify then bind
whichever fog isn't currently bound.

I've experienced problems of this nature with other state information
where this sort of workaround has proved effective in the short term.

Just a couple of suggestions,
Angus.

On Nov 13, 10:53am, yuri++at++casa-de.es wrote:
> Subject: Updating pfFog
> Hi,
>
> I have a problem changing the fog parameters in run time. The settings do
> change, as pfGetFog... show. But pfApplyFog does not make the changes
> actually happen. All the calls are made within the DrawChannel callback
> (so they are in the draw process).
>
> Thanks in advance for any help.
>
>
>
>-- End of excerpt from yuri++at++casa-de.es

-- 
Angus Dorbie,
Silicon Graphics Ltd, UK
dorbie++at++reading.sgi.com

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