fltk does not work on cygwin version octave-6.4.0

[Takashi Yano]

On Tue, 21 Jun 2022 20:18:00 +0900
Takashi Yano wrote:
> On Tue, 21 Jun 2022 19:48:09 +0900 (JST)
> Tatsuro MATSUOKA wrote:
> > > From: "Takashi Yano" 
> > > To: "cygwin>
> > Cc: "Tatsuro MATSUOKA"
> > > Date: 2022/06/21 火 18:45
> > > Subject: Re: fltk does not work on cygwin version octave-6.4.0
> >  
> > > 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.
> > > 
> > My machine is very old.
> > CPU Intel(R) Core(TM) i5 CPU       M 430  @ 2.27GHz   2.27 GHz
> > GPU Intel(R) HD Graphics
> 
> I have tried on very similar machine:
> CPU Intel(R) Core(TM) i5 CPU M 540 @ 2.53GHz
> GPU Intel(R) HD Graphics

Driver version for Intel(R) HD Graphics is as follows:
Provider: Intel Coporation
Date: 2012/11/26
Version: 8.15.10.2900

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