# Check if the current configuration of `native_window` is still valid
	#
	# There is two return values:
	# * Returns `true` if the Gamnit services should be recreated.
	# * Sets `native_window_is_invalid` if the system provided window handle is invalid.
	#   We should wait until we are provided a valid window handle.
	fun check_egl_context(native_window: Pointer): Bool
	do
		native_window_is_invalid = false

		if not egl_context.is_ok then
			# Needs recreating
			egl_context = egl_display.create_context(egl_config)
			assert egl_context.is_ok else print "Creating EGL context failed: {egl_display.error}"
		end

		var success = egl_display.make_current(window_surface, window_surface, egl_context)
		if not success then
			var error = egl_display.error
			print "check_egl_context make_current: {error}"


			if error.is_bad_native_window then
				# native_window is invalid
				native_window_is_invalid = true
				return true

			else if not error.is_success then
				# The context is now invalid, rebuild it
				setup_egl_context native_window
				return true
			end
		end
		return false
	end