Archived old OpenGL gaming core.

Kajetan Johannes Hammerle 352b738398 matrix stack and tests 4 éve
math 352b738398 matrix stack and tests 4 éve
tests 352b738398 matrix stack and tests 4 éve
utils 352b738398 matrix stack and tests 4 éve
Main.cpp 352b738398 matrix stack and tests 4 éve
meson.build 352b738398 matrix stack and tests 4 éve