Tobias Geerinckx-Rice via Guix-patches 写道：
> I don't know enough about libva or mesa to know how all this can 
> be
> made to compose nicely.

It's actually as simple as exporting 
LIBVA_DRIVERS_PATH="<intel-vaapi-driver>/lib/dri".

I guess making that a search-path for libva should work?

Kind regards,

T G-R