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 Wed,  2 Oct 2019 21:19:15 +0000 (UTC) (envelope-from jsm@FreeBSD.org)
Subject: Re: Xwayland under sway invisible running x11 apps.
To: Jan Beich <jbeich@FreeBSD.org>
Cc: freebsd-x11@freebsd.org
References: <018ae261-fe05-b8a3-13e8-1e96177025e8@FreeBSD.org>
 <5zl7-kki9-wny@FreeBSD.org>
From: Jesper Schmitz Mouridsen <jsm@FreeBSD.org>
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Date: Wed, 2 Oct 2019 23:18:54 +0200
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On 02.10.2019 21.36, Jan Beich wrote:
> Jesper Schmitz Mouridsen <jsm@FreeBSD.org> writes:
>
>> Hi
>>
>> Running sway, which starts XWayland enables me to start X11 apps..
>>
>> I can see the apps runinng with xwininfo.
>>
>> However X11 apps are not rendered visible on the monitor.
> Does forcing DRI3 via "export LIBGL_DRI3_ENABLE=1" or building
> graphics/mesa-{libs,dri} with CFLAGS+=-D__DRM_NEXT__ help?
>
> Xwayland needs DRI3 but FreeBSD disables it as a kludge for drm-legacy-kmod:
>    graphics/mesa-dri/files/patch-src_glx_glxext.c
>    graphics/mesa-dri/files/patch-src_egl_drivers_dri2_platform__x11.c

Thanks for the hints, reinstalling  mesa-{libs,dri} from ports did the 
trick..X11-apps are now visible

I did not need to set -D__DRM_NEXT__ though, so I don't what was wrong..

I've drm-fbsd12.0-kmod-4.16.g20190814 installed.

Regards

jsm