Archived old OpenGL gaming core.

Kajetan Johannes Hammerle 740eae7b0f support for geometry shaders 4 rokov pred
images bd8c3a83db better formatting 4 rokov pred
input bd8c3a83db better formatting 4 rokov pred
math bd8c3a83db better formatting 4 rokov pred
memory 9df4fa0b0f casting for unique pointers 4 rokov pred
rendering c59799aa8b mipmaps for file textures 4 rokov pred
tests 9133b9da5e unique pointer and tests 4 rokov pred
utils ec1c9f1198 removed wrong include 4 rokov pred
wrapper 740eae7b0f support for geometry shaders 4 rokov pred
Main.cpp 9133b9da5e unique pointer and tests 4 rokov pred
meson.build 9133b9da5e unique pointer and tests 4 rokov pred