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Date:      Sat, 08 Oct 2016 00:39:33 +0000
From:      bugzilla-noreply@freebsd.org
To:        x11@FreeBSD.org
Subject:   maintainer-feedback requested: [Bug 213300] x11-servers/xorg-vfbserver: Xvfb is missing GLX extension
Message-ID:  <bug-213300-7141-iK5LM547Cw@https.bugs.freebsd.org/bugzilla/>
In-Reply-To: <bug-213300-7141@https.bugs.freebsd.org/bugzilla/>
References:  <bug-213300-7141@https.bugs.freebsd.org/bugzilla/>

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don bright <hmbright@fastmail.com> has reassigned Bugzilla Automation
<bugzilla@FreeBSD.org>'s request for maintainer-feedback to x11@FreeBSD.org:
Bug 213300: x11-servers/xorg-vfbserver: Xvfb is missing GLX extension
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=213300



--- Description ---
Xvfb no longer has the GLX extension on FreeBSD 11.0. Trying to run GLX
programs on a headless machine fails. This makes the OpenSCAD test suite fail
and many "headless OpenGL tutorials" on the web also fail. 

This used to work in older versions of FreeBSD. 

To reproduce:

$ Xvfb :123 -screen 0 800x600x24 &
$ DISPLAY=:123 glxgears
Error: couldn't get an RGB, Double-buffered visual
$ DISPLAY=:123 glxinfo 
name of display: :123
Error: couldn't find RGB GLX visual or fbconfig



[don@noether ~/openscad/tests/bin]$ Xvfb +extension GLX
[mi] Extension "GLX" is not recognized
[mi] Only the following extensions can be run-time enabled:
[mi]	Generic Events
[mi]	Composite
[mi]	DAMAGE
[mi]	DOUBLE-BUFFER
[mi]	DPMS
[mi]	MIT-SHM
[mi]	RANDR
[mi]	RENDER
[mi]	X-Resource
[mi]	XFIXES
[mi]	XINERAMA
[mi]	XTEST
[mi]	XVideo

Thanks for reading.


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