Re: device-specific "vdpau" support?

[maya%netbsd.org@localhost]

On Sat, Jun 29, 2019 at 03:12:41PM -0500, John D. Baker wrote:
> Some time back I asked about what provided device-specific "vdpau"
> support after seeing a message from 'mplayer' about not finding
> "libvdpau_i965.so" when detecting the video capabilities of my
> intel-graphics-equipped system.
> 
> I was informed that "vdpau" support was part of Mesa.  With the import
> of the shiny new Mesa (and accompanying LLVM build overhead), I had been
> expecting to see such device-specific goodies become a part of the xorg
> sets in -current.  It appears this is not the case.
> 
> I tend to worry when I see messages about missing libraries, even if
> there is a fallback to do without them.  Is there some performance
> benefit being missed, or some other capability that can't be leveraged
> due to the missing library?  Or does it tend to be too small to be worth
> the effort of including the device-specific support?
> 
> Thanks.

The only motivation to skip VDPAU is wanting to get Mesa done in a
timely manner, since it's an optional feature.

Supposedly it's even more efficient video decoding, but I didn't do a
comparison (It would be pretty easy to do, since pkgsrc mesa does build
VDPAU).