[Mesa-dev] Status update of XvMC on R600

Marek Olšák maraeo at gmail.com
Wed Nov 10 11:59:42 PST 2010

On Wed, Nov 10, 2010 at 3:56 PM, Christian König <deathsimple at vodafone.de>wrote:

> Am Montag, den 08.11.2010, 23:08 +0000 schrieb Andy Furniss:
> > Looking (for the first time) at iso13818-2 I think the chroma handling
> > would be part of display rather than decode, though the iso does specify
> > how chroma is laid out for fields in
> >
> > An article that describes the issues (it actually starts describing the
> > opposite problem of progressive treated as interlaced) is here.
> >
> >
> http://www.hometheaterhifi.com/volume_8_2/dvd-benchmark-special-report-chroma-bug-4-2001.html
> Thanks for the link. I understand the problem now, but can't figure out
> how to solve it without support for interlaced textures in the gallium
> driver. The hardware supports it, but neither gallium nor r600g have an
> interface for this support, and I have no intentions to defining one.

Why not? If the hardware supports it, let's use it. I propose adding a new
"interlaced" bit in either pipe_sampler_state or pipe_sampler_view.

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