opt: optimize animaiton frame fresh

src/animation/client.h

@@ -848,7 +848,7 @@ void init_fadeout_client(Client *c) {
 	wl_list_insert(&fadeout_clients, &fadeout_cient->fadeout_link);
 
 	// 请求刷新屏幕
-	wlr_output_schedule_frame(c->mon->wlr_output);
+	request_fresh_all_monitors();
 }
 
 void client_commit(Client *c) {
@@ -879,7 +879,7 @@ void client_commit(Client *c) {
 		}
 	}
 	// 请求刷新屏幕
-	wlr_output_schedule_frame(c->mon->wlr_output);
+	request_fresh_all_monitors();
 }
 
 void client_set_pending_state(Client *c) {

src/animation/common.h

@@ -234,4 +234,14 @@ struct wlr_scene_tree *wlr_scene_tree_snapshot(struct wlr_scene_node *node,
 	wlr_scene_node_set_enabled(&snapshot->node, true);
 
 	return snapshot;
+}
+
+void request_fresh_all_monitors(void) {
+	Monitor *m = NULL;
+	wl_list_for_each(m, &mons, link) {
+		if (!m->wlr_output->enabled) {
+			continue;
+		}
+		wlr_output_schedule_frame(m->wlr_output);
+	}
 }