> ----- Original Message ----- > From: "Marco Atzeri" > To: "Tatsuro MATSUOKA" "cygwin > Date: 2022/06/23 木 04:33 > Subject: Re: fltk does not work on cygwin version octave-6.4.0 > On 22.06.2022 12:37, Tatsuro MATSUOKA wrote: > >> ----- Original Message ----- > >> From: "Tatsuro MATSUOKA" > >> To: "Marco Atzeri"; "cygwin > >> Date: 2022/06/22 水 12:53 > >> Subject: Re: fltk does not work on cygwin version octave-6.4.0 > >>>> ----- Original Message ----- > >>>> From: "Marco Atzeri" > >>>> To: "cygwin > >>>> Date: 2022/06/22 水 02:06 > >>>> Subject: Re: fltk does not work on cygwin version octave-6.4.0 > >>>> On 21.06.2022 07:15, 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 > >>>>> > >>>>> fltk graphics_toolkit works octave on native windows. > > > Is the below related to the issue? > > > >>> __opengl_info__ > > warning: __opengl_info__: can not obtain OpenGL information > > warning: called from > > __opengl_info__ at line 69 column 5 > > > > Similar behaviors happen qt graphics on octave-7.1.0 on native Windows. > > > > Tatsuro > > > > Maybe. > > On my PC > > $ octave > > octave:1> __opengl_info__ > version: 4.5.0 - Build 22.20.16.4815 > vendor: Intel > renderer: Intel(R) UHD Graphics 620 > extensions: > GL_3DFX_texture_compression_FXT1 > ..... > > Similar to the X log > > glWinSelectGLimplementation: Loaded 'cygnativeGLthunk.dll' > (II) AIGLX: Testing pixelFormatIndex 1 > GL_VERSION: 4.5.0 - Build 22.20.16.4815 > GL_VENDOR: Intel > GL_RENDERER: Intel(R) UHD Graphics 620 > (II) GLX: enabled GLX_SGI_make_current_read > ...
[132545.312] (II) AIGLX: Testing pixelFormatIndex 2 [132545.343] GL_VERSION: 1.1.0 [132545.343] GL_VENDOR: Microsoft Corporation [132545.343] GL_RENDERER: GDI Generic [132545.343] wglwrap: Can't resolve "wglGetExtensionsStringARB" [132545.343] (EE) AIGLX: Won't use the generic native renderer as it is not accelerated [132545.343] glWinSelectGLimplementation: Loaded 'cygGL-1.dll' [132548.078] (II) IGLX: Loaded and initialized swrast [132548.078] (II) GLX: Initialized DRISWRAST GL provider for screen 0 > You can test the GL behaviour with > > $ cygcheck -l mesa-demos | grep bin > /usr/bin/eglinfo > /usr/bin/es2_info > /usr/bin/glinfo > /usr/bin/glxgears > /usr/bin/glxinfo > /usr/bin/wglgears > /usr/bin/wglinfo > /usr/bin/xeglgears $ cygcheck -l mesa-demos | grep bin /usr/lib/mesa-demos/fbobind.exe /usr/lib/mesa-demos/pbinfo.exe /usr/bin/eglinfo /usr/bin/es2_info /usr/bin/glinfo /usr/bin/glxgears /usr/bin/glxinfo /usr/bin/wglgears /usr/bin/wglinfo /usr/bin/xeglgears Tatsuro -- 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