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+---
+title: WebGLRenderingContext.depthMask()
+slug: Web/API/WebGLRenderingContext/depthMask
+translation_of: Web/API/WebGLRenderingContext/depthMask
+---
+<div>{{APIRef("WebGL")}}</div>
+
+<p><a href="/en-US/docs/Web/API/WebGL_API">WebGL API</a> 的 <strong><code>WebGLRenderingContext.depthMask()</code></strong> 方法设置是否启用写入深度缓冲。</p>
+
+<h2 id="语法">语法</h2>
+
+<pre class="syntaxbox">void <var>gl</var>.depthMask(<var>flag</var>);
+</pre>
+
+<h3 id="参数">参数</h3>
+
+<dl>
+ <dt><code>flag</code></dt>
+ <dd>一个 {{domxref("GLboolean")}} ，用于设置是否启用写入深度缓冲。默认值：true，表示启用写入。</dd>
+</dl>
+
+<h3 id="返回值">返回值</h3>
+
+<p>无。</p>
+
+<h2 id="例子">例子</h2>
+
+<pre class="brush: js">gl.depthMask(false);
+</pre>
+
+<p>要获得当前的深度遮罩值，传入 <code>DEPTH_WRITEMASK</code> 常量，返回  {{jsxref("Boolean")}}.</p>
+
+<pre class="brush: js">gl.getParameter(gl.DEPTH_WRITEMASK);
+// false
+</pre>
+
+<h2 id="规范">规范</h2>
+
+<table class="standard-table">
+ <tbody>
+  <tr>
+   <th scope="col">Specification</th>
+   <th scope="col">Status</th>
+   <th scope="col">Comment</th>
+  </tr>
+  <tr>
+   <td>{{SpecName('WebGL', "#5.14.3", "depthMask")}}</td>
+   <td>{{Spec2('WebGL')}}</td>
+   <td>Initial definition.</td>
+  </tr>
+  <tr>
+   <td>{{SpecName('OpenGL ES 2.0', "glDepthMask.xml", "glDepthMask")}}</td>
+   <td>{{Spec2('OpenGL ES 2.0')}}</td>
+   <td>Man page of the OpenGL API.</td>
+  </tr>
+ </tbody>
+</table>
+
+<h2 id="浏览器兼容性">浏览器兼容性</h2>
+
+<p class="hidden">The compatibility table in this page is generated from structured data. If you'd like to contribute to the data, please check out <a href="https://github.com/mdn/browser-compat-data">https://github.com/mdn/browser-compat-data</a> and send us a pull request.</p>
+
+<p>{{Compat("api/WebGLRenderingContext", "WebGLRenderingContext.depthMask")}}</p>
+
+<h2 id="相关内容">相关内容</h2>
+
+<ul>
+ <li>{{domxref("WebGLRenderingContext.colorMask()")}}</li>
+ <li>{{domxref("WebGLRenderingContext.stencilMask()")}}</li>
+</ul>