code: func FramebufferTextureLayer(target uint32, attachment uint32, texture uint32, level int32, layer int32) {
  	syscall.Syscall6(gpFramebufferTextureLayer, 5, uintptr(target), uintptr(attachment), uintptr(texture), uintptr(level), uintptr(layer), 0)
  }
docs: // attach a single layer of a texture object as a logical buffer of a framebuffer object