https://www.x.org/releases/current/doc/index.html https://gitlab.freedesktop.org/xorg/proto/xorgproto https://gitlab.freedesktop.org/xorg/proto/xcbproto
https://registry.khronos.org/OpenGL/specs/gl/glxencode1.3.pdf https://github.com/KhronosGroup/OpenGL-Registry/blob/main/xml/glxproto.reserved.txt