[Bug 254470] graphics/mesa-libs: patch-src_loader_meson.build breaks DRI on broadwell with modesetting

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Newsgroups gmane.os.freebsd.devel.x11
Message-ID <[email protected]/bugzilla/>
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=254470

--- Comment #1 from Jan Beich <[email protected]> ---
Is iris from mesa-devel also affected? mesa-dri is both old (see below) and
split in a way that caused bugs in the past.

- 20.2.3 was released on 2020-11-23 (this is what in ports/ atm)
- 20.2.4 was released on 2020-12-04
- 20.2.5 was released on 2020-12-16
- 20.2.6 was released on 2020-12-17
- 20.3.0 was released on 2020-12-03
- 20.3.1 was released on 2020-12-16
- 20.3.2 was released on 2020-12-30
- 20.3.3 was released on 2021-01-13
- 20.3.4 was released on 2021-01-29
- 21.0.0 was released on 2021-03-11

(In reply to Bengt Ahlgren from comment #0)
> broke direct rendering with the modesetting xorg driver

How does this manifest? Show Xorg.log and console output after prepending "env
LIBGL_DEBUG=verbose"

> xorg intel driver was however ok

xf86-video-intel has DRI3 disabled by default. When using modesetting driver
did you try prepending "env LIBGL_DRI3_DISABLE=1"?

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