Richard Gallery (gallery++at++prl.philips.co.uk)
Tue, 7 Feb 1995 11:27:37 +0000
I am curious if there are any plans to add support for
interlaced display into performers rendering software.
So, what I would like would be to regard my gl window
into which the Performer output was rendered as two
fields, and that I could, when I do a pfDraw call, say
which field to render. Obviously I would need to have
a swapbuffer happening before field 1 (fields numbered 1
and 2) began to render, and hence not after/before each pfDraw.
Maybe this can already be done. I realise that in order for
this to work properly you would need to either be rendering at
the same field rate as the display device (and to sync to field 1 so
that field polarity was not reversed), or else have some means of compensating
for the lower update rates.
Bye
Richard
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