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Re: Kicad-gal and OpenGL supported version under Mingw ( was Plotting/fabricating in nanometers)


Hi Jean,

no, usually MESA is not required. What you only need is the opengl32.dll and the glu32.dll (e.g. C:\Windows\System32). The graphics card driver should provide the latest versions for these files. The old version of the MinGW OpenGL headers is normal, that's the same on my system - the purpose of GLEW is to wrap the functions of OpenGL > 1.3.
So I'd guess you have an old driver/ a conficting library or headers somewhere. Perhaps OpenGL 2.1 is not supported on your system ( some older Intel GMA Chipsets support only < 2.0 ).

A nice tool for troubleshooting is "GLview":

There you can check, which extensions are supported.

I've found some movies on youtube, which are maybe also helpful:

OpenGL 4.2 + MinGW

OpenGL Superbible example (OpenGL 3.3), MinGW:


I'll try next week to compile on my notebook (Windows 7 however), I'll check if I run into the same troubles ..


> I also have trouble with GLEW and POINT.
> I just added GLEW in Kicad-gal to compile it with Kicad-gal, and renamed
> (Currently I can run only the Cairo version of demos)
> The issue relative to OpenGL (run time error: opengl version 2.1 not
> supported)
> is due to the fact MinGw come from a rather old version of OpenGl (Mesa
> GL, in fact)
> (comments in .h headers show a 2002 version) and not an hardware issue.
> My MinGW installation is a recent version (now including GDIplus).
> So my question is:
> Are you using the Opengl libs and headers coming from Mingw,
> or have you installed a recent version of MESA GL under Windows?
> (Recent Mesa version seems do not have an easy install under
> Mingw/Windows)
> Thanks.
> -- 
> Jean-Pierre CHARRAS
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