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bug#31987: libGL error
From: |
Eli Zaretskii |
Subject: |
bug#31987: libGL error |
Date: |
Sun, 23 Aug 2020 12:10:13 +0300 |
> From: Achim Gratz <Stromeko@nexgo.de>
> Date: Sun, 23 Aug 2020 09:46:33 +0200
>
> Stefan Kangas writes:
> >>> Get the following error message when starting emacs:
> >>> libGL error: required WGL extension WGL_ARB_multisample is missing
> >>
> >> Searching for that message finds this:
> >>
> >> https://www.mail-archive.com/cygwin@cygwin.com/msg157465.html
> >
> > So is this worth adding to PROBLEMS or is it notabug?
>
> It's a problem with certain (Windows) video card drivers that implement
> only a subset of some optional GL API bundles. In this particular case
> libGL checked for some specific feature and was assuming the existence
> of another from the same API bundle that the driver then didn't actually
> provide, that detection has since been fixed to check all features
> separately AFAIK. As said in the message linked to, you can always use
> software rendering as a fallback.
Thanks.
So you think it would be good to have this in PROBLEMS?