[Bug 92220] GL_NV_vdpau_interop partially available

[bugzilla-daemon@freedesktop.org]

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https://bugs.freedesktop.org/show_bug.cgi?id=92220

--- Comment #4 from riaasm@yahoo.com ---
I understand that you can't enable a GL extension if there's no support for it
in the hardware, but I think this specific GL extension doesn't require
anything specific in the hardware. 

>From what I understand, the GL_NV_vdpau_interop extension needs to be supported
in the driver, not in the hardware. In this Phoronix article
(http://www.phoronix.com/scan.php?page=news_item&px=MTQ2NjY) it is mentioned
that NVIDIA implemented support for this in their binary driver (not their
hardware). So doesn't this mean that supporting this extension fully can be
done by improving/expanding the implementation in the driver?

As for the field and frame issue, I don't really know much about that. But I do
know that there's UVD2 and UVD2.2, which is often also indicated as UVD2. Is it
possible that the "Early versions of UVD" that "did not support field based
output" could be the UVD2 ones and the newer ones that work correctly are
UVD2.2? Because being able to make that distinction could make it easier to
figure out if this extension will likely work or not. 

I assume that Kodi will not work with the UVD2, but will work with UVD2.2. If
UVD2.2 guarantees that VDPAU can be used, then that might be a good solution
too.

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