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From: Takashi Yano <takashi.yano@nifty.ne.jp>
To: cygwin@cygwin.com
Cc: Tatsuro MATSUOKA <matsuoka@nuce.nagoya-u.ac.jp>
Subject: Re: fltk does not work on cygwin version octave-6.4.0
Date: Tue, 21 Jun 2022 18:44:41 +0900	[thread overview]
Message-ID: <20220621184441.3cb63f4b7df9c1f68d114878@nifty.ne.jp> (raw)
In-Reply-To: <1014671988.1220984.1655788512175.JavaMail.yahoo@mail.yahoo.co.jp>

On Tue, 21 Jun 2022 14:15:12 +0900 (JST)
Tatsuro MATSUOKA wrote:
> fltk does not work on cygwin version octave-6.4.0
> 
> octave:1> graphics_toolkit fltk
> octave:2> plot(1:10);
> Insufficient GL support
> error: unable to plot due to insufficient OpenGL support
> 
> plot windows flashes and disappear immediately

I guess it depends on GPU. What GPU do you use?
It almost works in my environment except for that it needs
'Reset Figure' to draw. Without 'Reset figure', the plot area
is filled gray. My GPU is GeForce GTX 750 Ti.

Did you try LIBGL_ALWAYS_SOFTWARE=1 ?

-- 
Takashi Yano <takashi.yano@nifty.ne.jp>

  reply	other threads:[~2022-06-21  9:45 UTC|newest]

Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <1014671988.1220984.1655788512175.JavaMail.yahoo.ref@mail.yahoo.co.jp>
2022-06-21  5:15 ` Tatsuro MATSUOKA
2022-06-21  9:44   ` Takashi Yano [this message]
2022-06-21 10:48     ` Tatsuro MATSUOKA
2022-06-21 11:18       ` Takashi Yano
2022-06-21 11:25         ` Takashi Yano
2022-06-21 11:31         ` Jon Turney
2022-06-21 17:05   ` Marco Atzeri
2022-06-22  1:49     ` Tatsuro MATSUOKA
2022-06-22  3:53       ` Tatsuro MATSUOKA
2022-06-22 10:37         ` Tatsuro MATSUOKA
2022-06-22 19:33           ` Marco Atzeri
2022-06-22 23:05             ` Tatsuro MATSUOKA
2022-06-23  1:19               ` Marco Atzeri
2022-06-23  3:18                 ` Tatsuro MATSUOKA
2022-06-26 13:58               ` Jon Turney
2022-06-27  3:23                 ` Tatsuro MATSUOKA

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