Free fullscreen surface and cursors when destroying output

include/wlr/types/wlr_output.h

@@ -55,7 +55,7 @@ struct wlr_output {
 
 	float transform_matrix[16];
 
-	/* Note: some backends may have zero modes */
+	// Note: some backends may have zero modes
 	struct wl_list modes;
 	struct wlr_output_mode *current_mode;
 

types/wlr_output.c

@@ -272,6 +272,7 @@ void wlr_output_destroy(struct wlr_output *output) {
 	}
 
 	wlr_output_destroy_global(output);
+	wlr_output_set_fullscreen_surface(output, NULL);
 
 	wl_signal_emit(&output->events.destroy, output);
 
@@ -281,6 +282,11 @@ void wlr_output_destroy(struct wlr_output *output) {
 		free(mode);
 	}
 
+	struct wlr_output_cursor *cursor, *tmp_cursor;
+	wl_list_for_each_safe(cursor, tmp_cursor, &output->cursors, link) {
+		wlr_output_cursor_destroy(cursor);
+	}
+
 	if (output->impl && output->impl->destroy) {
 		output->impl->destroy(output);
 	} else {