I know there are OpenGL packages for Go, but I don't think they are really "pure Go" (in the sense of not linking to any C libraries at all). At least not und

I know there are OpenGL packages for Go, but I don't think they are really "pure Go" (in the sense of not linking to any C libraries at all). At least not under X11. Unlike all the other X11 extensions, the GLX "protocol specification" doesn't define a network protocol. It defines C functions bolted on to Xlib for setting up GL contexts. In many use cases, there probably is no network at all -- just direct rendering. I don't know what the situation is on other platforms, but I guess it is similar: OpenGL is exposed as some C-based library.