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  "contentMarkdown": "# lightmap 在内存中有重复加载\n\n> [!note] 我的 UWA 问答\n> 本文收录我在 UWA 问答发表的公开回答。问题内容归原提问者；回答保留当时语境，技术结论可能受 Unity 版本、平台和项目条件限制。\n\n## 问题\n\n![screenshot20210316204444.png](assets/6050a8d3cfa35d5b53669b10/01.png)\n\n![screenshot20210316204444.png](assets/6050a8d3cfa35d5b53669b10/02.png)\n\n为什么lightmap在profile里会显示有重复的呢，我看每一个都是40MB，有什么办法优化吗。求大佬指点一下。\n\n- 提问者：正在输入\n- 提问时间：2021-03-17 04:47:15\n\n## 我的回答\n\n看起来每张Lightmap都加载了两份。题主有没有写自己管理Lightmap的机制呢？是一次就加载两份还是在切换场景或者更换Lightmap的时候没有卸载掉？ 加载场景时有没有使用 LoadSceneMode.Additive，导致场景累加式加载，不卸载之前的资源？\n\nLightmap的引用数很高，看看是被哪些脚本索引住了，相应的组件是不是一直驻留。在该卸载的时候要把索引置空。\n\n- 回答时间：2021-03-17 20:00:35\n- 最后更新：2021-03-17 20:45:04\n- 采纳状态：未采纳\n\n## 来源与关系\n\n- 上位集合：[[10-计算机、信息技术与工程/05-游戏图形与运行时/我的UWA问答/我的UWA问答|我的 UWA 问答]]\n- UWA 标签：渲染模块、资源管理\n- 原始问题：[lightmap 在内存中有重复加载](https://answer.uwa4d.com/question/6050a8d3cfa35d5b53669b10)\n- 源页最后更新：2021-03-23 04:23:13\n"
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