static void handle_wl_output_scale(void *data, struct wl_output *output,
		int32_t factor) {
	struct swaylock_surface *surface = data;
	surface->scale = factor;
	if (surface->state->run_display) {
		damage_surface(surface);
	}
}
static void handle_wl_output_scale(void *data, struct wl_output *output,
		int32_t factor) {
	struct swaylock_surface *surface = data;
	surface->scale = factor;
	if (surface->state->run_display) {
		damage_surface(surface);
	}
}