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Date:      Mon, 20 Apr 2020 03:38:33 +0200
From:      Tomasz CEDRO <tomek@cedro.info>
To:        FreeBSD Questions Mailing List <freebsd-questions@freebsd.org>, freebsd-x11@freebsd.org
Subject:   Re: Wayland on FreeBSD
Message-ID:  <CAFYkXjkFT7R0A-ZsH4p6C0_h8+qJ0-wWJ--tTJLtS0Pja0ZzSQ@mail.gmail.com>
In-Reply-To: <CAFYkXjmfyLZAi1HZe-RE3wLxa6GRNP6GkmtZG-4T2puRDOz0JA@mail.gmail.com>
References:  <CAFYkXjmfyLZAi1HZe-RE3wLxa6GRNP6GkmtZG-4T2puRDOz0JA@mail.gmail.com>

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On Fri, Apr 17, 2020 at 10:34 PM Tomasz CEDRO wrote:
> I would like to use Enlightenment (0.23.1) + Wayland.

I did manage to run Wayland + Hikari so Wayland works on FreeBSD :-)
Ports version is 1.18 and lags behind only one release (1.20 is 1.19
with some readme added).

I would prefer to stick to Enlightenment and its running on Wayland
since version 0.20. New version of Enlightenment (0.22.4 -> 0.23.1)
based on EFL (1.20.7 -> 1.23.3) is already working on my machine and
will show up in ports shortly:

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=245596
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=245594

Enlightenment has and needs new Wayland support that is based on
ecore_wl2 from EFL. Someone hardcoded Linux DMA code into
src/lib/ecore_wl2/ecore_wl2_buffer.c and that part of EFL does not
build anymore on FreeBSD (not mandatory to run on Xorg). The good news
is that EFL builds with both old Wayland support (wl-deprecated
switch) and new one required for Enlightenment (wl switch) when all
linuxisms are commented out from ecore_wl2_buffer.c. This means if we
find a FreeBSD specific replacement for those DMA transfers all should
work fine..?

https://github.com/Enlightenment/efl/blob/master/src/lib/ecore_wl2/ecore_wl2_buffer.c

The question is whether we should use some sort of DRM / GPU related
DMA code or generic BUS DMA code? I have no experience over here.. the
memory is a memory but if that affects video performance I guess video
framebuffer should be used directly on a video card? :-)

Best regards :-)
Tomek

-- 
CeDeROM, SQ7MHZ, http://www.tomek.cedro.info



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