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GLUT [message #36378]

Wed, 23 May 2012 13:25

keltor
Messages: 73
Registered: February 2012

Member

Simple and to the point: Is there a way to use GLUT in GLCtrl?

Long version: I have GLUT installed and working, and I can also run (and fiddle with) the OpenGL example in the Reference package. However, I would like to draw spheres, cones and such with GLUT.

If I add the #include <GL/glut.h> but do nothing with it, there's no problem and it runs fine. But if I then try to run a function such as glutSolidSphere, the program compiles but it doesn't run properly. To be more specific, the main window starts but gets destroyed immediately.

I am a little confused by the functions that I should and should not call, since GLCtrl takes care of part of them. Are there any other initialisations I should run before drawing glut objects? Or is there simply no way to make it work? I haven't found any glut examples in the docs and forum, so I am rather lost here. Any help would be appreciated.

Thanks,

Kel

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Re: GLUT [message #36422 is a reply to message #36378]

Fri, 25 May 2012 21:30

BioBytes
Messages: 307
Registered: October 2008
Location: France

Senior Member

Hi Keltor,

If I am not wrong, GLUT toolkit is not open source as Mark Kilgard maintains the copyright.

Did you study in detail the U++ example "OpenGl" in reference assembly ? the code uses GlCtrl.

I think there is a lot of features that could interest you Smile

.

Regards

Biobytes

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Re: GLUT [message #36429 is a reply to message #36378]

Sat, 26 May 2012 21:05

keltor
Messages: 73
Registered: February 2012

Member

Hi BioBytes,

Thanks for the reply. I didn't think of the license aspect of the problem...

I haven't got much experience with OpenGL, but I do understand (I think) the example you mentioned. I just thought that it would be more convenient to use the GLUT library instead of manually drawing spheres or tori...

Well, I guess I can do it "the hard way" nonetheless.

Thanks again.

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Re: GLUT [message #36481 is a reply to message #36378]

Thu, 31 May 2012 10:38

keltor
Messages: 73
Registered: February 2012

Member

I had set this problem aside, but I just realised that instead of GLUT, one could use freeglut, which is open source and comes with an unrestrictive license (X-Consortium license).

So, if anyone manages to integrate freeglut with U++, I think this would be taking GLCtrl to a new, more practical, dimension...

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