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From: Jon Turney <jon.turney@dronecode.org.uk>
Subject: Re: octave says WGL_ARB_multisample is missing
To: The Cygwin Mailing List <cygwin@cygwin.com>
References: <CAL_Y+kzuDhMkibJ8mD0RkidG=kXbg0_5bV6wwq0Xuy5UgQeefg@mail.gmail.com> <055f7618-d9f5-1071-b789-c21a90880320@dronecode.org.uk> <CAL_Y+kx1XxT8k+aKm0YgoFLTSNfETcy6X06vhu965dKVCBwRsA@mail.gmail.com>
Cc: William Mitchell <wfmacmd@gmail.com>
Reply-To: The Cygwin Mailing List <cygwin@cygwin.com>
Message-ID: <e7b2a06e-8f33-1962-1b01-14f25d39dabc@dronecode.org.uk>
Date: Thu, 28 Jun 2018 19:28:16 +0100
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On 27/06/2018 19:00, William Mitchell wrote:
> Thanks for the suggestions.
> 
> I thought updating the display driver sounded good, since this is a very
> old computer, but when I asked to update the driver it searched for a new
> driver and eventually said my driver is up to date.

Can you show the output of 'glxinfo' and 'LIBGL_ALWAYS_SOFTWARE=1 
glxinfo', please?

> I set LIBGL_ALWAYS_SOFTWARE to 1.  That got rid of the WGL error messages,
> but I still get the other messages:

Yeah, on second thoughts we should be already falling back to software 
rendering if we can't use WGL, so this isn't really going to help.

> Insufficient GL support
> error: unable to plot due to insufficient OpenGL support
> 
> This is harder, because it doesn't tell me _what_ is missing (or
> "insufficient").

These are messages from octave.

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