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Date:      Sun, 24 Feb 2019 22:02:36 +0000
From:      bugzilla-noreply@freebsd.org
To:        x11@FreeBSD.org
Subject:   [Bug 233902] x11-drivers/xf86-video-intel: update to 2.99.917.20181203 (snapshot)
Message-ID:  <bug-233902-7141-GpNnG9Sv9T@https.bugs.freebsd.org/bugzilla/>
In-Reply-To: <bug-233902-7141@https.bugs.freebsd.org/bugzilla/>
References:  <bug-233902-7141@https.bugs.freebsd.org/bugzilla/>

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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=233902

--- Comment #6 from Jan Beich <jbeich@FreeBSD.org> ---
SNA should work after bug 236003. As unsychronized userptr cannot be used
anymore performance maybe worse or there maybe glitches. However, not much can
be done without fixing synchronized userptr in drm-kmod.
https://github.com/FreeBSDDesktop/freebsd-base-graphics/issues/132

Check OpenGL and VAAPI e.g., multimedia/mpv (--hwdec=vaapi), www/firefox (WebGL
demos), x11-wm/compton (--backend glx). Maybe also try DRI3 by setting Option
"DRI3" "true" in xorg.conf and export LIBGL_DRI3_ENABLE=1 in ~/.profile.

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