RFC: Video decode acceleration API

Stephane Marchesin marchesin at icps.u-strasbg.fr
Tue Apr 3 05:11:05 PDT 2007

On 4/3/07, Roland Scheidegger <sroland at tungstengraphics.com> wrote:
> > I think i did read somethings similar for nv g80 or latter card...
> GeForce 6 and up already have a dedicated video processor of some sort.
> It's hard to tell how much of "PureVideo" (or "PureVideo HD" for newer
> cards) is actually using dedicated hardware, but apparently it was even
> quite broken on the first geforce 6800 (nv40) and some things were never
> enabled - that sure looks like dedicated hardware to me....
> http://www.anandtech.com/video/showdoc.aspx?i=2305

Actually, the first GeForce 6800 you're talking about still had the
overlay (that's why I said "during the geforce 6x00 era"), the later
6800 models do not have the overlay any more and use a shader-based


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