On Sat, 16 Oct 2021 at 14:08, Manuel Wagesreither <man...@fastmail.fm>

> Here are some updates:
> Building core-image-weston on hardknott succeeded. Couldn't `runqmu kvm
> slirp sdl core-image-weston` first because I got an error message about
> 'dri.pc' being missing. Debian package search told me it's part of
> 'mesa-commond-dev', so I installed it on my host machine and indeed, that
> runqemu command above got working again. Not just that, now even OpenGL
> acceleration with `runqmu kvm slirp sdl gl core-image-weston` worked,
> altough I didn't change anything OpenGL-wise. core-image-weston feels
> really snappy now. Great!
> I got curious and reverted back to dunfell to check if the now-installed
> dri.pc made a difference, but no, it didn't. `runqemu` with `sdl` started
> (like it did before), and with `sdl gl` it still said "OpenGL support is
> disabled".

You need to replicate the settings from oe-selftest (link provided
previously). I think on dunfell it's not enabled out of the box, and needs
to be configured explicitly.

> Ok, so then I moved on to get my own image which is on hardknott now
> working.
> I `runqemu`d my image with 'sdl' and 'gl' and it started up fine. Weston
> did no longer start automatically so I did manually. Ran `DISPLAY=:0
> glxgears` but it told me "couldn't open display :0". Installed
> 'weston-xwayland' so I'd get "/usr/lib/libweston-9/xwayland.so" but that
> didn't change anything.
> Can't yet say if `DISPLAY=:0 glxgears` works on core-image-weston as it's
> still building.

DISPLAY is a setting for the host, so qemu can display the sdl or gtk
window. On the qemu guest you need to get weston to start first.

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