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 However, it works as expected, except that the following error message appears. libGL error: Windows-DRI extention disabled for GDI Generic renderer $ env LIBGL_ALWAYS_SOFTWARE=1 octave octave:1> graphics_toolkit fltk octave:2> plot(1:10); also works. -- Takashi Yano <[email protected]> -- Problem reports: https://cygwin.com/problems.html FAQ: https://cygwin.com/faq/ Documentation: https://cygwin.com/docs.html Unsubscribe info: https://cygwin.com/ml/#unsubscribe-simple

