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I tried installing openGL on my raspberry pi (libgl1-mesa.glx) but every time i try running glxinfo or rendering something i end up with an error:

couldn't find RGB GLX visual or fbconfig

I tried reconfiguring xserver-xorg but it still doesn't work.

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For enabling the open source graphics driver that provides OpenGL 2.0 support, there are a few more steps -- as is, you've put in the normal GL library (which is basically a wrapper that loads hardware drivers), but not the userspace or kernel side of the graphics driver. When it doesn't find a hardware graphics driver it falls back to indirect GLX, but that fails because the X Server hasn't initialized a graphics driver either.

The easiest way to get all the necessary steps done is to use sudo raspi-config and choose the "Experimental GL driver", then reboot, which will both enable the kernel driver and install the necessary userspace packages.

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