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authorPeter Bengtsson <mail@peterbe.com>2020-12-08 14:40:17 -0500
committerPeter Bengtsson <mail@peterbe.com>2020-12-08 14:40:17 -0500
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+---
+title: WebGLRenderingContext.detachShader()
+slug: Web/API/WebGLRenderingContext/detachShader
+translation_of: Web/API/WebGLRenderingContext/detachShader
+---
+<div>{{APIRef("WebGL")}}</div>
+
+<p><a href="/en-US/docs/Web/API/WebGL_API">WebGL API</a> 的<strong>WebGLRenderingContext.detachShader()</strong>  方法:从一个 {{domxref("WebGLProgram")}}中分离一个先前附加的片段或者顶点着色器 ({{domxref("WebGLShader")}} ) .</p>
+
+<h2 id="Syntax">Syntax</h2>
+
+<pre class="syntaxbox">void <var><em>gl</em>.detach</var>Shader<var>(program, shader);</var>
+</pre>
+
+<h3 id="Parameters">Parameters</h3>
+
+<dl>
+ <dt><code>program</code></dt>
+ <dd>一个 {{domxref("WebGLProgram")}} 对象.</dd>
+ <dt><code>shader</code></dt>
+ <dd>一个顶点或者片元着色器 {{domxref("WebGLShader")}}.</dd>
+</dl>
+
+<h2 id="Specifications">Specifications</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', "#5.14.9", "detachShader")}}</td>
+ <td>{{Spec2('WebGL')}}</td>
+ <td>Initial definition.</td>
+ </tr>
+ <tr>
+ <td>{{SpecName('OpenGL ES 2.0', "glDetachShader.xml", "glDetachShader")}}</td>
+ <td>{{Spec2('OpenGL ES 2.0')}}</td>
+ <td>OpenGL man page.</td>
+ </tr>
+ </tbody>
+</table>
+
+<h2 id="例子">例子</h2>
+
+<h3 id="使用detachShader方法分离一个顶点或片元着色器">使用detachShader方法分离一个顶点或片元着色器</h3>
+
+<pre>//顶点着色器
+    var vertexShader = gl.createShader(gl.VERTEX_SHADER);
+    gl.shaderSource(vertexShader, vertexSrc);
+    gl.compileShader(vertexShader);
+    //片元着色器
+    var fragmentShader = gl.createShader(gl.FRAGMENT_SHADER);//创建 WebGLShader。
+    gl.shaderSource(fragmentShader, fragmentSrc); //fragmentSrc设置一个 WebGLShader 的源码。
+    gl.compileShader(fragmentShader);
+
+    //WebGLProgram
+    var program = gl.createProgram();//创建 WebGLProgram
+    gl.attachShader(program, vertexShader); //往 WebGLProgram 添加一个片段或者顶点着色器。
+    gl.attachShader(program, fragmentShader);
+    gl.linkProgram(program);//链接给入的 WebGLProgram 对象
+    gl.detachShader(program, vertexShader); //从一个WebGLProgram中分离一个先前附加的片段或者顶点着色器;
+    gl.detachShader(program, fragmentShader);
+    gl.deleteShader(vertexShader);
+    gl.deleteShader(fragmentShader);
+</pre>
+
+<p> </p>
+
+<h2 id="Browser_compatibility">Browser compatibility</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.detachShader")}}</p>
+
+<h2 id="See_also">See also</h2>
+
+<ul>
+ <li>{{domxref("WebGLProgram")}}</li>
+ <li>{{domxref("WebGLShader")}}</li>
+ <li>{{domxref("WebGLRenderingContext.attachShader()")}}</li>
+ <li>{{domxref("WebGLRenderingContext.compileShader()")}}</li>
+ <li>{{domxref("WebGLRenderingContext.createProgram()")}}</li>
+ <li>{{domxref("WebGLRenderingContext.createShader()")}}</li>
+ <li>{{domxref("WebGLRenderingContext.deleteProgram()")}}</li>
+ <li>{{domxref("WebGLRenderingContext.deleteShader()")}}</li>
+ <li>{{domxref("WebGLRenderingContext.detachShader()")}}</li>
+ <li>{{domxref("WebGLRenderingContext.getAttachedShaders()")}}</li>
+ <li>{{domxref("WebGLRenderingContext.getProgramParameter()")}}</li>
+ <li>{{domxref("WebGLRenderingContext.getProgramInfoLog()")}}</li>
+ <li>{{domxref("WebGLRenderingContext.getShaderParameter()")}}</li>
+ <li>{{domxref("WebGLRenderingContext.getShaderPrecisionFormat()")}}</li>
+ <li>{{domxref("WebGLRenderingContext.getShaderInfoLog()")}}</li>
+ <li>{{domxref("WebGLRenderingContext.getShaderSource()")}}</li>
+ <li>{{domxref("WebGLRenderingContext.isProgram()")}}</li>
+ <li>{{domxref("WebGLRenderingContext.isShader()")}}</li>
+ <li>{{domxref("WebGLRenderingContext.linkProgram()")}}</li>
+ <li>{{domxref("WebGLRenderingContext.shaderSource()")}}</li>
+ <li>{{domxref("WebGLRenderingContext.useProgram()")}}</li>
+ <li>{{domxref("WebGLRenderingContext.validateProgram()")}}</li>
+</ul>