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10-05-2004, 03:51 AM
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#1
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Senior Member
Registered: Dec 2003
Location: Paris
Distribution: Slackware forever.
Posts: 2,536
Rep: 
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What's the definitive way to know if GL is working or not?
At a console type the following: glxinfo | grep direct if it replies with direct rendering: Yes. Then GL _should_ be working.
-From Linux Gamers' FAQ.
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10-05-2004, 04:28 AM
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#2
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LQ Guru
Registered: Jul 2003
Location: Los Angeles
Distribution: Ubuntu
Posts: 9,870
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try running "glxgears"... if it works, you're set... i think...
Last edited by win32sux; 10-05-2004 at 04:29 AM.
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10-05-2004, 05:24 AM
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#3
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Senior Member
Registered: Jul 2004
Location: France
Distribution: Arch Linux
Posts: 1,897
Rep:
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Yes. If glxgears is working, then GL is working. If glxinfo reports Direct rendering: Yes, the GL is working *with* 3D acceleration.
Yves.
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10-05-2004, 06:36 AM
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#4
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Member
Registered: May 2004
Location: Perth, Australia
Distribution: Red Hat 9
Posts: 35
Rep:
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What about GLUT. What is a definitive way of detirmining that GLUT is installed properly. And if it is installed properly, why don't some games see it and compile properly?
azraelder
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10-06-2004, 04:18 AM
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#6
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Member
Registered: May 2004
Location: Perth, Australia
Distribution: Red Hat 9
Posts: 35
Rep:
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Thats right, and it is needed to compile opengl games and apps. It is very frustrating when I see a very cool opengl game such as Tux-a quest for herring appear to configure properly only to give the error "undefined reference to glutinitwindowposition" or something similer.
Some Glut applications seem to go ok, others don't. I don't understand why.
It is a shame because it is a very powerful toolkit for some very nice effects.
azraelder
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10-06-2004, 06:48 PM
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#7
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LQ Guru
Registered: Jul 2003
Location: Los Angeles
Distribution: Ubuntu
Posts: 9,870
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Quote:
Originally posted by azraelder
Thats right, and it is needed to compile opengl games and apps. It is very frustrating when I see a very cool opengl game such as Tux-a quest for herring appear to configure properly only to give the error "undefined reference to glutinitwindowposition" or something similer.
Some Glut applications seem to go ok, others don't. I don't understand why.
It is a shame because it is a very powerful toolkit for some very nice effects.
azraelder
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i see... well, this guy had a similar issue:
http://www.linuxquestions.org/questi...oto=nextoldest
try bumping the thread (by asking him to post what he did to get glut working right)...
from his last post, i gather it might have had something to do with library links, but i'm not sure...
Quote:
...i finally got a proper compile and the program works... i haven't got much experience in using library links in gcc...
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here's a couple other threads you can look into:
http://www.linuxquestions.org/questi...threadid=29387
http://www.linuxquestions.org/questi...oto=nextoldest
i hope this helps... good luck...
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