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3
votes
1answer
160 views

X stuck when using OpenGL

On a stock Dell, RHEL 5.3, my X gets stuck when running any OpenGL program for more than a few seconds. After a few seconds, the screen freezes, and after another few seconds sometimes the screen ...
10
votes
2answers
6k views

What does LIBGL_ALWAYS_INDIRECT=1 actually do?

KDE SC 4.5.0 has some problems with some video cards including mine. Upon Release Arch recommended several workarounds. One of which was export "LIBGL_ALWAYS_INDIRECT=1" before starting KDE I ...
2
votes
1answer
425 views

Where to start to learn OpenGL [closed]

As OpenGL evolves, it seems that there are three camps: OpenGL legacy, packed with "deprecated APIs" OpenGL ES, for embedded systems OpenGL "new stuff" which comes out every couple of months. If I ...