On Sun, 28 Apr 2002, Mark Vojkovich wrote:
> I'm told that pre GeForce cards have different overlay hardware
> that is more difficult to program. I've never really looked into
> it and wasn't planning on it since I don't have docs for the
> deprecated TNT overlay engine.
Would it be possible to have the docs released for the deprecated TNT?
I'm trying to get XVideo working with interlace (since I'm connecting
the VGA RGB output to a TV). Interlace works excellently using the "nv"
driver in XFree86 4.2.1 and even though the "nvidia" driver is supposed
to support interlace too, it doesn't.
I've managed to force interlace on the "nv" driver by making my own
program that sets an "interlace" register (0x39). It seems to work well
in general, except that XVideo seems to ignore this and output double
lines or something similar. Does anybody know if XVideo is supposed to
work with interlace at all, or is this limited by the hardware?
I understand that the interlace feature has been removed in recent
NVidia cards. But maybe some old GeForce cards still has it?
Fredrik
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