Re: [info-performer] setStressFilter

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From: Alexandre Naaman (naaman++at++laplace.engr.sgi.com)
Date: 05/25/2004 23:46:13

Hi faculaganymede,

> pfExperts,
>
> After reading through the available documents about
>
> pfChannel::setStressFilter

This will cause the stress params to be applied to the current pfChannel
ptr and, if the sharing mask is appropriately set (PFCHAN_STRESSFILTER),
to all the other pfChannels in the same channel group.

> &
> pfPipeVideoChannel::setStressFilter

This will apply the stress params to the current pfPipeVideoChannel and
then to all the pipes in the hyperpipe (if applicable.) It first checks
to ensure that the pfVideoChannel in question is the master
pfPipeVideoChannel of the hyperpipe.

> I am still not very clear on the difference between the two. Would
> someone please explain?

So, esentially they do similar things in ensuring that the stress filter
is applied to all of the underlying pfChannels or pfVideoChannels, as
appropriate.

Hope this helps,

Alex.

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