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<title data-rh="true">调整合图设置 | Cocos Enhance Kit</title><meta data-rh="true" name="twitter:card" content="summary_large_image"><meta data-rh="true" property="og:url" content="https://smallmain.github.io/cocos-enhance-kit/docs/user-guide/dynamic-batcher/dynamic-batcher-basics"><meta data-rh="true" name="docusaurus_locale" content="zh"><meta data-rh="true" name="docsearch:language" content="zh"><meta data-rh="true" name="docusaurus_version" content="3.0.0"><meta data-rh="true" name="docusaurus_tag" content="docs-default-3.0.0"><meta data-rh="true" name="docsearch:version" content="3.0.0"><meta data-rh="true" name="docsearch:docusaurus_tag" content="docs-default-3.0.0"><meta data-rh="true" property="og:title" content="调整合图设置 | Cocos Enhance Kit"><meta data-rh="true" name="description" content="了解调校动态合图的方式。"><meta data-rh="true" property="og:description" content="了解调校动态合图的方式。"><link data-rh="true" rel="icon" href="/cocos-enhance-kit/img/favicon.ico"><link data-rh="true" rel="canonical" href="https://smallmain.github.io/cocos-enhance-kit/docs/user-guide/dynamic-batcher/dynamic-batcher-basics"><link data-rh="true" rel="alternate" href="https://smallmain.github.io/cocos-enhance-kit/docs/user-guide/dynamic-batcher/dynamic-batcher-basics" hreflang="zh"><link data-rh="true" rel="alternate" href="https://smallmain.github.io/cocos-enhance-kit/docs/user-guide/dynamic-batcher/dynamic-batcher-basics" hreflang="x-default"><link rel="stylesheet" href="/cocos-enhance-kit/assets/css/styles.22998370.css">
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class="breadcrumbs__link">使用指南</span><meta itemprop="position" content="1"></li><li itemscope="" itemprop="itemListElement" itemtype="https://schema.org/ListItem" class="breadcrumbs__item"><a class="breadcrumbs__link" itemprop="item" href="/cocos-enhance-kit/docs/user-guide/dynamic-batcher/dynamic-batcher-intro"><span itemprop="name">动态合图</span></a><meta itemprop="position" content="2"></li><li itemscope="" itemprop="itemListElement" itemtype="https://schema.org/ListItem" class="breadcrumbs__item breadcrumbs__item--active"><span class="breadcrumbs__link" itemprop="name">调整合图设置</span><meta itemprop="position" content="3"></li></ul></nav><span class="theme-doc-version-badge badge badge--secondary">版本：3.0.0</span><div class="tocCollapsible_bZGK theme-doc-toc-mobile tocMobile_TmEX"><button type="button" class="clean-btn tocCollapsibleButton_l22C">本页总览</button></div><div class="theme-doc-markdown markdown"><h1>调整合图设置</h1><hr><h2 class="anchor anchorWithStickyNavbar_mojV" id="动态图集最大数量为什么是-7">动态图集最大数量为什么是 7<a class="hash-link" href="#动态图集最大数量为什么是-7" title="标题的直接链接"></a></h2><p>在前面的文档中有提到动态图集的最大数量默认为 <strong>设备能同时采样纹理数 - Char 缓存模式自动合批图集数</strong>。</p><p>因为设备能同时采样纹理数固定为 <code>8</code>，而 Char 缓存模式自动合批图集数默认为 <code>1</code>，所以动态合图的最大数量默认值为 <code>7</code>。</p><p>这样就只需要使用 1 个材质，也就是能在 1 Draw Call 里完成所有参与动态合图的纹理（包括 Bitmap 缓存模式 Label）与 Char 缓存模式 Label 的渲染。</p><p>一般情况下不推荐直接修改 <code>maxAtlasCount</code>，请参考 <a href="/cocos-enhance-kit/docs/user-guide/text-render/text-char-mode#%E4%B8%8E%E5%8A%A8%E6%80%81%E5%9B%BE%E9%9B%86%E5%90%88%E6%89%B9%E7%9A%84%E6%B3%A8%E6%84%8F%E4%BA%8B%E9%A1%B9">Char 缓存模式</a> 文档。</p><hr><h2 class="anchor anchorWithStickyNavbar_mojV" id="控制纹理是否参与动态合图">控制纹理是否参与动态合图<a class="hash-link" href="#控制纹理是否参与动态合图" title="标题的直接链接"></a></h2><p>可以在编辑器上调整纹理的 <code>packable</code> 属性，或者用代码控制：</p><div class="language-js codeBlockContainer_MPoW theme-code-block" style="--prism-color:#393A34;--prism-background-color:#f6f8fa"><div class="codeBlockContent_B9tL"><pre tabindex="0" class="prism-code language-js codeBlock__0OG thin-scrollbar"><code class="codeBlockLines_gEuF"><span class="token-line" style="color:#393A34"><span class="token plain">texture</span><span class="token punctuation" style="color:#393A34">.</span><span class="token property-access">packable</span><span class="token plain"> </span><span class="token operator" style="color:#393A34">=</span><span class="token plain"> </span><span class="token boolean" style="color:#36acaa">false</span><span class="token punctuation" style="color:#393A34">;</span><br></span></code></pre><div class="buttonGroup_hRr1"><button type="button" aria-label="复制代码到剪贴板" title="复制" class="clean-btn"><span class="copyButtonIcons_W9eQ" aria-hidden="true"><svg class="copyButtonIcon_XEyF" viewBox="0 0 24 24"><path d="M19,21H8V7H19M19,5H8A2,2 0 0,0 6,7V21A2,2 0 0,0 8,23H19A2,2 0 0,0 21,21V7A2,2 0 0,0 19,5M16,1H4A2,2 0 0,0 2,3V17H4V3H16V1Z"></path></svg><svg class="copyButtonSuccessIcon_i9w9" viewBox="0 0 24 24"><path d="M21,7L9,19L3.5,13.5L4.91,12.09L9,16.17L19.59,5.59L21,7Z"></path></svg></span></button></div></div></div><hr><h2 class="anchor anchorWithStickyNavbar_mojV" id="控制组件是否参与动态合图">控制组件是否参与动态合图<a class="hash-link" href="#控制组件是否参与动态合图" title="标题的直接链接"></a></h2><p>使用下面的代码控制组件是否默认激活动态合图机制，默认为开启：</p><div class="language-js codeBlockContainer_MPoW theme-code-block" style="--prism-color:#393A34;--prism-background-color:#f6f8fa"><div class="codeBlockContent_B9tL"><pre tabindex="0" class="prism-code language-js codeBlock__0OG thin-scrollbar"><code class="codeBlockLines_gEuF"><span class="token-line" style="color:#393A34"><span class="token plain">cc</span><span class="token punctuation" style="color:#393A34">.</span><span class="token property-access">sp</span><span class="token punctuation" style="color:#393A34">.</span><span class="token property-access">allowDynamicAtlas</span><span class="token plain"> </span><span class="token operator" style="color:#393A34">=</span><span class="token plain"> </span><span class="token boolean" style="color:#36acaa">false</span><span class="token punctuation" style="color:#393A34">;</span><br></span></code></pre><div class="buttonGroup_hRr1"><button type="button" aria-label="复制代码到剪贴板" title="复制" class="clean-btn"><span class="copyButtonIcons_W9eQ" aria-hidden="true"><svg class="copyButtonIcon_XEyF" viewBox="0 0 24 24"><path d="M19,21H8V7H19M19,5H8A2,2 0 0,0 6,7V21A2,2 0 0,0 8,23H19A2,2 0 0,0 21,21V7A2,2 0 0,0 19,5M16,1H4A2,2 0 0,0 2,3V17H4V3H16V1Z"></path></svg><svg class="copyButtonSuccessIcon_i9w9" viewBox="0 0 24 24"><path d="M21,7L9,19L3.5,13.5L4.91,12.09L9,16.17L19.59,5.59L21,7Z"></path></svg></span></button></div></div></div><p>也可以控制单组件是否激活动态合图机制：</p><p><img loading="lazy" alt="dynamic-batch-settings" src="/cocos-enhance-kit/assets/images/dynamic-batch-settings-3163fd8d6c2a755dfb36cd1e5b1b052a.png" width="880" height="1014" class="img_E7b_"></p><p>除了在编辑器调整，也可以通过代码控制：</p><div class="language-js codeBlockContainer_MPoW theme-code-block" style="--prism-color:#393A34;--prism-background-color:#f6f8fa"><div class="codeBlockContent_B9tL"><pre tabindex="0" class="prism-code language-js codeBlock__0OG thin-scrollbar"><code class="codeBlockLines_gEuF"><span class="token-line" style="color:#393A34"><span class="token comment" style="color:#999988;font-style:italic">// cc.RenderComponent.EnableType</span><span class="token plain"></span><br></span><span class="token-line" style="color:#393A34"><span class="token plain"></span><span class="token comment" style="color:#999988;font-style:italic">// GLOBAL: 全局默认值</span><span class="token plain"></span><br></span><span class="token-line" style="color:#393A34"><span class="token plain"></span><span class="token comment" style="color:#999988;font-style:italic">// ENABLE: 开启</span><span class="token plain"></span><br></span><span class="token-line" style="color:#393A34"><span class="token plain"></span><span class="token comment" style="color:#999988;font-style:italic">// DISABLE: 关闭</span><span class="token plain"></span><br></span><span class="token-line" style="color:#393A34"><span class="token plain">label</span><span class="token punctuation" style="color:#393A34">.</span><span class="token property-access">allowDynamicAtlas</span><span class="token plain"> </span><span class="token operator" style="color:#393A34">=</span><span class="token plain"> cc</span><span class="token punctuation" style="color:#393A34">.</span><span class="token property-access maybe-class-name">RenderComponent</span><span class="token punctuation" style="color:#393A34">.</span><span class="token property-access maybe-class-name">EnableType</span><span class="token punctuation" style="color:#393A34">.</span><span class="token constant" style="color:#36acaa">ENABLE</span><span class="token punctuation" style="color:#393A34">;</span><br></span></code></pre><div class="buttonGroup_hRr1"><button type="button" aria-label="复制代码到剪贴板" title="复制" class="clean-btn"><span class="copyButtonIcons_W9eQ" aria-hidden="true"><svg class="copyButtonIcon_XEyF" viewBox="0 0 24 24"><path d="M19,21H8V7H19M19,5H8A2,2 0 0,0 6,7V21A2,2 0 0,0 8,23H19A2,2 0 0,0 21,21V7A2,2 0 0,0 19,5M16,1H4A2,2 0 0,0 2,3V17H4V3H16V1Z"></path></svg><svg class="copyButtonSuccessIcon_i9w9" viewBox="0 0 24 24"><path d="M21,7L9,19L3.5,13.5L4.91,12.09L9,16.17L19.59,5.59L21,7Z"></path></svg></span></button></div></div></div><p>如果一个纹理参与动态合图但是组件不参与，那么使用该组件进行渲染时就不会参与，但如果同时在其它参与的组件上渲染，那么依然会被打入动态图集。</p><div class="admonition admonition-caution alert alert--warning"><div class="admonition-heading"><h5><span class="admonition-icon"><svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" viewBox="0 0 16 16"><path fill-rule="evenodd" d="M8.893 1.5c-.183-.31-.52-.5-.887-.5s-.703.19-.886.5L.138 13.499a.98.98 0 0 0 0 1.001c.193.31.53.501.886.501h13.964c.367 0 .704-.19.877-.5a1.03 1.03 0 0 0 .01-1.002L8.893 1.5zm.133 11.497H6.987v-2.003h2.039v2.003zm0-3.004H6.987V5.987h2.039v4.006z"></path></svg></span>注意</h5></div><div class="admonition-content"><p>组件有脏检查标记，修改后可能需要对渲染组件调用 <code>comp.setVertsDirty()</code> 才会生效。</p></div></div><hr><h2 class="anchor anchorWithStickyNavbar_mojV" id="是否自动多纹理合批">是否自动多纹理合批<a class="hash-link" href="#是否自动多纹理合批" title="标题的直接链接"></a></h2><p>控制图集纹理是否会自动添加到多纹理合批管理器，默认为开启状态，如果关闭也就意味着<strong>失去了自动进行多个图集纹理合批的特性</strong>。</p><div class="language-js codeBlockContainer_MPoW theme-code-block" style="--prism-color:#393A34;--prism-background-color:#f6f8fa"><div class="codeBlockContent_B9tL"><pre tabindex="0" class="prism-code language-js codeBlock__0OG thin-scrollbar"><code class="codeBlockLines_gEuF"><span class="token-line" style="color:#393A34"><span class="token plain">cc</span><span class="token punctuation" style="color:#393A34">.</span><span class="token property-access">dynamicAtlasManager</span><span class="token punctuation" style="color:#393A34">.</span><span class="token property-access">autoMultiBatch</span><span class="token plain"> </span><span class="token operator" style="color:#393A34">=</span><span class="token plain"> </span><span class="token boolean" style="color:#36acaa">false</span><span class="token punctuation" style="color:#393A34">;</span><br></span></code></pre><div class="buttonGroup_hRr1"><button type="button" aria-label="复制代码到剪贴板" title="复制" class="clean-btn"><span class="copyButtonIcons_W9eQ" aria-hidden="true"><svg class="copyButtonIcon_XEyF" viewBox="0 0 24 24"><path d="M19,21H8V7H19M19,5H8A2,2 0 0,0 6,7V21A2,2 0 0,0 8,23H19A2,2 0 0,0 21,21V7A2,2 0 0,0 19,5M16,1H4A2,2 0 0,0 2,3V17H4V3H16V1Z"></path></svg><svg class="copyButtonSuccessIcon_i9w9" viewBox="0 0 24 24"><path d="M21,7L9,19L3.5,13.5L4.91,12.09L9,16.17L19.59,5.59L21,7Z"></path></svg></span></button></div></div></div><hr><h2 class="anchor anchorWithStickyNavbar_mojV" id="在场景切换时清空所有图集">在场景切换时清空所有图集<a class="hash-link" href="#在场景切换时清空所有图集" title="标题的直接链接"></a></h2><p>控制在场景切换时是否会清空所有的动态图集，默认为开启状态。</p><div class="language-js codeBlockContainer_MPoW theme-code-block" style="--prism-color:#393A34;--prism-background-color:#f6f8fa"><div class="codeBlockContent_B9tL"><pre tabindex="0" class="prism-code language-js codeBlock__0OG thin-scrollbar"><code class="codeBlockLines_gEuF"><span class="token-line" style="color:#393A34"><span class="token plain">cc</span><span class="token punctuation" style="color:#393A34">.</span><span class="token property-access">dynamicAtlasManager</span><span class="token punctuation" style="color:#393A34">.</span><span class="token property-access">autoResetBeforeSceneLoad</span><span class="token plain"> </span><span class="token operator" style="color:#393A34">=</span><span class="token plain"> </span><span class="token boolean" style="color:#36acaa">false</span><span class="token punctuation" style="color:#393A34">;</span><br></span></code></pre><div class="buttonGroup_hRr1"><button type="button" aria-label="复制代码到剪贴板" title="复制" class="clean-btn"><span class="copyButtonIcons_W9eQ" aria-hidden="true"><svg class="copyButtonIcon_XEyF" viewBox="0 0 24 24"><path d="M19,21H8V7H19M19,5H8A2,2 0 0,0 6,7V21A2,2 0 0,0 8,23H19A2,2 0 0,0 21,21V7A2,2 0 0,0 19,5M16,1H4A2,2 0 0,0 2,3V17H4V3H16V1Z"></path></svg><svg class="copyButtonSuccessIcon_i9w9" viewBox="0 0 24 24"><path d="M21,7L9,19L3.5,13.5L4.91,12.09L9,16.17L19.59,5.59L21,7Z"></path></svg></span></button></div></div></div><div class="admonition admonition-tip alert alert--success"><div class="admonition-heading"><h5><span class="admonition-icon"><svg xmlns="http://www.w3.org/2000/svg" width="12" height="16" viewBox="0 0 12 16"><path fill-rule="evenodd" d="M6.5 0C3.48 0 1 2.19 1 5c0 .92.55 2.25 1 3 1.34 2.25 1.78 2.78 2 4v1h5v-1c.22-1.22.66-1.75 2-4 .45-.75 1-2.08 1-3 0-2.81-2.48-5-5.5-5zm3.64 7.48c-.25.44-.47.8-.67 1.11-.86 1.41-1.25 2.06-1.45 3.23-.02.05-.02.11-.02.17H5c0-.06 0-.13-.02-.17-.2-1.17-.59-1.83-1.45-3.23-.2-.31-.42-.67-.67-1.11C2.44 6.78 2 5.65 2 5c0-2.2 2.02-4 4.5-4 1.22 0 2.36.42 3.22 1.19C10.55 2.94 11 3.94 11 5c0 .66-.44 1.78-.86 2.48zM4 14h5c-.23 1.14-1.3 2-2.5 2s-2.27-.86-2.5-2z"></path></svg></span>提示</h5></div><div class="admonition-content"><p>在引擎原来的设计中，该机制不可被关闭，由于旧动态合图不支持复用废弃的空间，图集终究会被用完，所以引擎加入了这个治标不治本的功能。</p><p>但现在，我们认为该机制可以关闭，你只需要管理好纹理资源的释放即可，因为纹理资源释放的同时会释放使用的动态图集空间。</p></div></div><hr><h2 class="anchor anchorWithStickyNavbar_mojV" id="不进行复用的区域空间大小">不进行复用的区域空间大小<a class="hash-link" href="#不进行复用的区域空间大小" title="标题的直接链接"></a></h2><p>在实际的测试中，我们发现废弃空间出现碎片化的现象，比如尺寸 5 * 2 这样的非常小的废弃空间，当碎图尝试加入图集的时候会在这些废弃空间中寻找，这些数量多的小废弃空间无法被复用，却要在每次加入时遍历判断一次。</p><p>所以我们加入了 <code>ignoreRectSize</code> 设置，当废弃空间尺寸小于这个值就不会被遍历到（但是能合并为大的废弃空间时还是会合并），这能提升大约 50% 的理论性能。</p><p>这个值默认为 <code>10</code>，如果你的项目有很多小于 10 * 10 的纹理，可以考虑进行调整：</p><div class="language-js codeBlockContainer_MPoW theme-code-block" style="--prism-color:#393A34;--prism-background-color:#f6f8fa"><div class="codeBlockContent_B9tL"><pre tabindex="0" class="prism-code language-js codeBlock__0OG thin-scrollbar"><code class="codeBlockLines_gEuF"><span class="token-line" style="color:#393A34"><span class="token plain">cc</span><span class="token punctuation" style="color:#393A34">.</span><span class="token property-access">dynamicAtlasManager</span><span class="token punctuation" style="color:#393A34">.</span><span class="token property-access maybe-class-name">Atlas</span><span class="token punctuation" style="color:#393A34">.</span><span class="token property-access">ignoreRectSize</span><span class="token plain"> </span><span class="token operator" style="color:#393A34">=</span><span class="token plain"> </span><span class="token number" style="color:#36acaa">2</span><span class="token punctuation" style="color:#393A34">;</span><br></span></code></pre><div class="buttonGroup_hRr1"><button type="button" aria-label="复制代码到剪贴板" title="复制" class="clean-btn"><span class="copyButtonIcons_W9eQ" aria-hidden="true"><svg class="copyButtonIcon_XEyF" viewBox="0 0 24 24"><path d="M19,21H8V7H19M19,5H8A2,2 0 0,0 6,7V21A2,2 0 0,0 8,23H19A2,2 0 0,0 21,21V7A2,2 0 0,0 19,5M16,1H4A2,2 0 0,0 2,3V17H4V3H16V1Z"></path></svg><svg class="copyButtonSuccessIcon_i9w9" viewBox="0 0 24 24"><path d="M21,7L9,19L3.5,13.5L4.91,12.09L9,16.17L19.59,5.59L21,7Z"></path></svg></span></button></div></div></div></div></article><nav class="pagination-nav docusaurus-mt-lg" aria-label="文档分页导航"><a class="pagination-nav__link pagination-nav__link--prev" href="/cocos-enhance-kit/docs/user-guide/dynamic-batcher/dynamic-batcher-intro"><div class="pagination-nav__sublabel">上一页</div><div class="pagination-nav__label">动态合图</div></a><a class="pagination-nav__link pagination-nav__link--next" href="/cocos-enhance-kit/docs/user-guide/dynamic-batcher/dynamic-batcher-manual"><div class="pagination-nav__sublabel">下一页</div><div class="pagination-nav__label">手动管理合图</div></a></nav></div></div><div class="col col--3"><div class="tableOfContents_cNA8 thin-scrollbar theme-doc-toc-desktop"><ul class="table-of-contents table-of-contents__left-border"><li><a href="#动态图集最大数量为什么是-7" class="table-of-contents__link toc-highlight">动态图集最大数量为什么是 7</a></li><li><a href="#控制纹理是否参与动态合图" class="table-of-contents__link toc-highlight">控制纹理是否参与动态合图</a></li><li><a href="#控制组件是否参与动态合图" class="table-of-contents__link toc-highlight">控制组件是否参与动态合图</a></li><li><a href="#是否自动多纹理合批" class="table-of-contents__link toc-highlight">是否自动多纹理合批</a></li><li><a href="#在场景切换时清空所有图集" class="table-of-contents__link toc-highlight">在场景切换时清空所有图集</a></li><li><a href="#不进行复用的区域空间大小" class="table-of-contents__link toc-highlight">不进行复用的区域空间大小</a></li></ul></div></div></div></div></main></div></div></div>
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