Mail Archives: cygwin/2022/06/26/23:24:44

Tatsuro MATSUOKA <tmacchant2 AT yahoo DOT co DOT jp> · Mon, 27 Jun 2022 12:23:57 +0900 (JST)

> ----- 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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Date:	Mon, 27 Jun 2022 12:23:57 +0900 (JST)
From:	Tatsuro MATSUOKA <tmacchant2 AT yahoo DOT co DOT jp>
To:	Jon Turney <jon DOT turney AT dronecode DOT org DOT uk>,
	Tatsuro MATSUOKA <matsuoka AT nuce DOT nagoya-u DOT ac DOT jp>,
	The Cygwin Mailing List <cygwin AT cygwin DOT com>
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Subject:	Re: fltk does not work on cygwin version octave-6.4.0
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