From 45edc2ca63eec741b36760958744b3c8aa290f3a Mon Sep 17 00:00:00 2001
From: zealotchen <zealotchen@tencent.com>
Date: Fri, 12 Apr 2024 17:56:24 +0800
Subject: [PATCH] feat(dom): avoid get self depth when skip sortByIndex

---
 dom/src/dom/root_node.cc | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/dom/src/dom/root_node.cc b/dom/src/dom/root_node.cc
index 79916b296c7..6e737cd9f01 100644
--- a/dom/src/dom/root_node.cc
+++ b/dom/src/dom/root_node.cc
@@ -142,7 +142,12 @@ void RootNode::CreateDomNodes(std::vector<std::shared_ptr<DomInfo>>&& nodes, boo
     OnDomNodeCreated(node);
   }
   for (const auto& node : nodes_to_create) {
-    node->SetRenderInfo({node->GetId(), node->GetPid(), node->GetSelfIndex(), node->GetSelfDepth()});
+    if (needSortByIndex) {
+      node->SetRenderInfo({node->GetId(), node->GetPid(), node->GetSelfIndex(), node->GetSelfDepth()});
+    } else {
+      // 如果不需要对 index 排序，其他场景目前没有用到 depth，避免冗余计算
+      node->SetRenderInfo({node->GetId(), node->GetPid(), node->GetSelfIndex(), -1});
+    }
   }
 
   if (needSortByIndex) {