* Query about "libGL error: Screen is not Windows-DRI capable"
@ 2017-02-18 21:59 Eliot Moss
2017-02-20 15:48 ` Jon Turney
0 siblings, 1 reply; 2+ messages in thread
From: Eliot Moss @ 2017-02-18 21:59 UTC (permalink / raw)
To: cygwin
Dear friends -- I get the message above when I start cygwin emacs-X11
32-bit while running Cygwin-X. First of all, should I care? And if
I should, what can I do about it? Does this have to do with the
command line parameters when starting the X server, for example?
Regards - Eliot Moss
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* Re: Query about "libGL error: Screen is not Windows-DRI capable"
2017-02-18 21:59 Query about "libGL error: Screen is not Windows-DRI capable" Eliot Moss
@ 2017-02-20 15:48 ` Jon Turney
0 siblings, 0 replies; 2+ messages in thread
From: Jon Turney @ 2017-02-20 15:48 UTC (permalink / raw)
To: cygwin; +Cc: moss
On 18/02/2017 21:59, Eliot Moss wrote:
> Dear friends -- I get the message above when I start cygwin emacs-X11
> 32-bit while running Cygwin-X. First of all, should I care? And if
No.
This message should probably be downgraded from an error.
> I should, what can I do about it? Does this have to do with the
> command line parameters when starting the X server, for example?
This message indicates that we wanted to use direct,
hardware-accelerated OpenGL ('Windows-DRI'), but that the server didn't
allow it.
This could be due to:
- server option -nowgl
- windowing mode doesn't permit wgl (i.e. not -multiwindow)
- display driver does not support WGL (i.e. the default VGA driver)
etc.
See also [1] for more details.
[1] https://x.cygwin.com/docs/ug/using-glx.html
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Documentation: http://cygwin.com/docs.html
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