# Setup the EGL display for the given `native_display`
	protected fun setup_egl_display(native_display: Pointer)
	do
		var egl_display = new EGLDisplay(native_display)
		assert egl_display.is_valid else print "new EGL display is not valid"

		egl_display.initialize
		assert egl_display.is_valid else print "EGL initialize error: {egl_display.error}"

		self.egl_display = egl_display
	end