I only wrote OpenAL/OpenGL code when it was necessary. Most platforms use some simple library (libgdx, SDL, etc). The OpenAL code is actually shared between the

I only wrote OpenAL/OpenGL code when it was necessary. Most platforms use some simple library (libgdx, SDL, etc). The OpenAL code is actually shared between the Linux/Windows/Mac port and the iOS port. Only the iOS port uses OpenGL directly, and I imagine that code could also be shared between different platforms.