> ----- Original Message -----
> Date: 2022/06/26 日 22:59
> Subject: Re: fltk does not work on cygwin version octave-6.4.0
> On 23/06/2022 00:05, Tatsuro MATSUOKA wrote:
> >
> > [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
> >
>
> Usually, this is what happens when the driver your graphics chipset
> isn't installed, it's just working in 'VGA mode'.
>
> (Everything should still work, using the software OpenGL renderer, as if
> the X server was started with -nowgl)
From about two month ago, I started to use GWSL for X server.
I launch VcXsrv with or without native opegl, the fltk graphics_toolkit works
fine for both cases.
Mmmmm, GWSL uses VcXsrv for X server ????
Anyway, Thanks
> But this doesn't seem to be the case, if a native Windows octave can
> find the hardware OpenGL renderer, which is a bit confusing.
>
> Can you show the output of 'wglinfo'?
>
$ wglinfo
OpenGL vendor string: Microsoft Corporation
OpenGL renderer string: GDI Generic
OpenGL version string: 1.1.0
OpenGL extensions:
GL_EXT_bgra, GL_EXT_paletted_texture, GL_WIN_swap_hint
OpenGL vendor string: Microsoft Corporation
OpenGL renderer string: GDI Generic
OpenGL version string: 1.1.0
OpenGL extensions:
GL_EXT_bgra, GL_EXT_paletted_texture, GL_WIN_swap_hint
36 Regular pixel formats
35 WGL Visuals
visual x bf lv rg d st colorbuffer sr ax dp st accumbuffer ms
id gen win sp sz l ci b ro r g b a F gb bf th cl r g b a ns b
-------------------------------------------------------------------------
0x000 0 0 0 0 0 r . . 0 0 0 0 . . 0 0 0 0 0 0 0 0 0
0x001 1 1 0 32 0 r . . 8 8 8 0 . . 0 32 8 16 16 16 0 0 0
0x002 1 1 0 32 0 r . . 8 8 8 0 . . 0 16 8 16 16 16 0 0 0
0x003 1 1 0 32 0 r y . 8 8 8 0 . . 0 32 8 16 16 16 0 0 0
0x004 1 1 0 32 0 r y . 8 8 8 0 . . 0 16 8 16 16 16 0 0 0
0x005 1 1 0 32 0 r . . 8 8 8 8 . . 0 32 8 16 16 16 16 0 0
0x006 1 1 0 32 0 r . . 8 8 8 8 . . 0 16 8 16 16 16 16 0 0
0x007 1 1 0 32 0 r y . 8 8 8 8 . . 0 32 8 16 16 16 16 0 0
0x008 1 1 0 32 0 r y . 8 8 8 8 . . 0 16 8 16 16 16 16 0 0
0x009 1 1 0 32 0 c . . 8 8 8 0 . . 0 32 8 0 0 0 0 0 0
0x00a 1 1 0 32 0 c . . 8 8 8 0 . . 0 16 8 0 0 0 0 0 0
0x00b 1 1 0 32 0 c y . 8 8 8 0 . . 0 32 8 0 0 0 0 0 0
0x00c 1 1 0 32 0 c y . 8 8 8 0 . . 0 16 8 0 0 0 0 0 0
0x00d 1 0 0 24 0 r . . 8 8 8 0 . . 0 32 8 16 16 16 0 0 0
0x00e 1 0 0 24 0 r . . 8 8 8 0 . . 0 16 8 16 16 16 0 0 0
0x00f 1 0 0 24 0 r . . 8 8 8 8 . . 0 32 8 16 16 16 16 0 0
0x010 1 0 0 24 0 r . . 8 8 8 8 . . 0 16 8 16 16 16 16 0 0
0x011 1 0 0 24 0 c . . 8 8 8 0 . . 0 32 8 0 0 0 0 0 0
0x012 1 0 0 24 0 c . . 8 8 8 0 . . 0 16 8 0 0 0 0 0 0
0x013 1 0 0 16 0 r . . 5 5 5 0 . . 0 32 8 11 11 10 0 0 0
0x014 1 0 0 16 0 r . . 5 5 5 0 . . 0 16 8 11 11 10 0 0 0
0x015 1 0 0 16 0 r . . 5 5 5 8 . . 0 32 8 8 8 8 8 0 0
0x016 1 0 0 16 0 r . . 5 5 5 8 . . 0 16 8 8 8 8 8 0 0
0x017 1 0 0 16 0 c . . 5 5 5 0 . . 0 32 8 0 0 0 0 0 0
0x018 1 0 0 16 0 c . . 5 5 5 0 . . 0 16 8 0 0 0 0 0 0
0x019 1 0 0 8 0 r . . 3 3 2 0 . . 0 32 8 11 11 10 0 0 0
0x01a 1 0 0 8 0 r . . 3 3 2 0 . . 0 16 8 11 11 10 0 0 0
0x01b 1 0 0 8 0 r . . 3 3 2 8 . . 0 32 8 8 8 8 8 0 0
0x01c 1 0 0 8 0 r . . 3 3 2 8 . . 0 16 8 8 8 8 8 0 0
0x01d 1 0 0 8 0 c . . 3 3 2 0 . . 0 32 8 0 0 0 0 0 0
0x01e 1 0 0 8 0 c . . 3 3 2 0 . . 0 16 8 0 0 0 0 0 0
0x01f 1 0 0 4 0 r . . 1 1 1 0 . . 0 32 8 5 6 5 0 0 0
0x020 1 0 0 4 0 r . . 1 1 1 0 . . 0 16 8 5 6 5 0 0 0
0x021 1 0 0 4 0 r . . 1 1 1 8 . . 0 32 8 4 4 4 4 0 0
0x022 1 0 0 4 0 r . . 1 1 1 8 . . 0 16 8 4 4 4 4 0 0
0x023 1 0 0 4 0 c . . 1 1 1 0 . . 0 32 8 0 0 0 0 0 0
Tatsuro
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