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Date:      Mon, 20 Apr 2020 20:25:23 +0200
From:      Frederic Chardon <chardon.frederic@gmail.com>
To:        Jan Beich <jbeich@freebsd.org>
Cc:        Niclas Zeising <zeising+freebsd@daemonic.se>, freebsd-x11@freebsd.org,  FreeBSD Questions Mailing List <freebsd-questions@freebsd.org>
Subject:   Re: Wayland on FreeBSD
Message-ID:  <CAMODbknWFRzru+1Ej3XGV6fUmdKRQB-wUf-3bEqqrQJryw37MQ@mail.gmail.com>
In-Reply-To: <d082-pa3p-wny@FreeBSD.org>
References:  <CAFYkXjmfyLZAi1HZe-RE3wLxa6GRNP6GkmtZG-4T2puRDOz0JA@mail.gmail.com> <o8rn-snio-wny@FreeBSD.org> <CAMODbkmL5PT0Q3inE=o9T2T-Gw-d6_JcHCXZSYpfm_UGdXfzxg@mail.gmail.com> <6c7abdcf-aeef-4af4-b8f4-9d7fd0e45cf0@localhost> <7fba319c-c012-8893-3ce0-e2a166c38d2d@daemonic.se> <CAMODbkkGvUUwXqzFieyM-MMwQiRu2b6L1hmvgMn9MchDkpB7ig@mail.gmail.com> <d082-pa3p-wny@FreeBSD.org>

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Le lun. 20 avr. 2020 =C3=A0 15:20, Jan Beich <jbeich@freebsd.org> a =C3=A9c=
rit :
>
> Frederic Chardon <chardon.frederic@gmail.com> writes:
>
> > Le lun. 20 avr. 2020 =C3=A0 12:20, Niclas Zeising
> > <zeising+freebsd@daemonic.se> a =C3=A9crit :
> >
> >>
> >> On 2020-04-20 12:07, Greg V wrote:
> >> > Apr 20, 2020 12:56:35 PM Frederic Chardon <chardon.frederic@gmail.co=
m>:
> >> >
> >> >> Le dim. 19 avr. 2020 =C3=A0 13:50, Jan Beich <jbeich@freebsd.org> a=
 =C3=A9crit :
> >> >>
> >> >>>
> >> >>>
> >> >>> I'm using Sway myself primarily with X11 applications. For example=
,
> >> >>> "vblank_mode=3D0 glxgears" shows 3x more FPS than on real Xorg ser=
ver. ;)
> >> >>>
> >> >>
> >> >> I decided to give it a try, is hardware acceleration supposed to wo=
rk?
> >> >> glxgears gives 10x less fps than with X, and 3D is incredibly
> >> >> sluggish.
> >> >> eglinfo output that leads me to believe it is not:
> >> >> GBM platform:
> >> >> i965_dri.so does not support the 0xffffffff PCI ID.
> >> >>
> >> >> It is with sway, -current from yesterday, intel HD4000 iGPU (Ivybri=
dge i5-3320M)
> >> >> no difference between drm-devel-kmod or drm-current-kmod.
> >> >
> >> > Sway itself wouldn't even start without hardware rendering, it doesn=
't *have* a software renderer.
> >> >
> >> > For the X applications like glxgears, I guess with the mesa build
> >> > that's in official ports currently you still need that DRI3
> >> > something environment variable..
> >>
> >> You shouldn't need that one.  We switched the default to use DRI3 not
> >> long after xorg-server was updated to 1.20.
> >> https://svnweb.freebsd.org/ports?view=3Drevision&revision=3D528071
> >> It should also be in the latest quarterly branch.
> >> Regards
> >> --
> >> Niclas
> >
> > With or without LIBGL_DRI3_ENABLE=3D1 in the environment the result is
> > the same. I use official packages, updated yesterday.
> >
> > The problem I face might be due to permission issue. ktrace shows this:
> > 28047 eglinfo  CALL  openat(AT_FDCWD,0x7fffffffc820,0x100002<O_RDWR|O_C=
LOEXEC>)
> > 28047 eglinfo  NAMI  "/dev/dri/card0"
> > 28047 eglinfo  RET   openat 3
> > /..../
> > 28047 eglinfo  CALL  ioctl(0x3,0xc0106446,0x7fffffffbc70)
> > 28047 eglinfo  RET   ioctl -1 errno 13 Permission denied
>
> What initializes DRI3 is Xwayland which is started by Sway. DRI3 can
> fail for weird reasons (e.g., bug 241821), so make sure you have
>
> https://reviews.freebsd.org/D23846
>
> As graphics/mesa-demos doesn't install eglgears_wayland to check OpenGL
> acceleration in native Wayland clients try multimedia/mpv instead e.g.,
>
>   $ pkg install mpv
>   $ mpv --no-config --msg-level=3Dvo/gpu=3Dv --gpu-api=3Dopengl --gpu-con=
text=3Dwayland /path/to/foo.mp4

Thanks, I'm at r360105 so this fix is included. mpv doesn't output any erro=
r.
I installed benchmarks/glmark2, it scores an average of 8 times less
fps under wayland than X11. So wayland in general works, but OpenGL is
slow. Is it expected?



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