DMARC-Filter: OpenDMARC Filter v1.3.2 sourceware.org 9FA493858002
Subject: Re: GLX and libX11
To: cygwin@cygwin.com
References: <AM0PR10MB25164C501D0B3CE08C3AE29DCCBE0@AM0PR10MB2516.EURPRD10.PROD.OUTLOOK.COM>
Message-ID: <1b7b9d8d-d05a-a023-0160-377ab1d69965@gmail.com>
Date: Sun, 24 Jan 2021 14:38:28 +0100
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From: Marco Atzeri via Cygwin <cygwin@cygwin.com>
Reply-To: Marco Atzeri <marco.atzeri@gmail.com>
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On 24.01.2021 14:05, Rafał Jopek via Cygwin wrote:
> Hello,
> 
> After starting the application, the following error appears:
> 
> $ ./quad.exe
> libGL error: Windows-DRI extension not available
> libGL error: No matching fbConfigs or visuals found
> libGL error: failed to load driver: swrast
> 
>          visual 0x224 selected
> 
> An example is here:
> https://www.khronos.org/opengl/wiki/Programming_OpenGL_in_Linux:_GLX_and_Xlib
> 
> 
> 
> ---
> Thank Csaba for helping with my previous question.
> 
> Best regards
> - Rafał

it works for me,

$ ./quad.exe

         visual 0x8c selected

and it shows a multicolor plot in a new window.

Have you started the program from inside a XTerm  with a running
XServer ?

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