First check if you already have mesa installed, you can check it with command: dpkg -l *mesa*
Then type this to install mesa GL implementation: sudo apt-get install libglapi-mesa && sudo apt-get...

So I've been following a few tutorials about GLSL per-fragment lighting in OpenGL 2.0 and I've finaly managed to write simple shader for that, here's result:...

So I've been following a few tutorials about GLSL per-fragment lighting in OpenGL 2.0 and I've finaly managed to write simple shader for that, here's result:...