---
title: WebGLRenderingContext.useProgram()
slug: Web/API/WebGLRenderingContext/useProgram
translation_of: Web/API/WebGLRenderingContext/useProgram
---
<div>{{APIRef("WebGL")}}</div>

<p> <strong><code>WebGLRenderingContext.useProgram()</code></strong> 方法将定义好的{{domxref("WebGLProgram")}} 对象添加到当前的渲染状态中。</p>

<h2 id="语法">语法</h2>

<pre class="syntaxbox">void <var>gl</var>.useProgram(<var>program</var>);
</pre>

<h3 id="参数">参数</h3>

<dl>
 <dt>program</dt>
 <dd>需要添加的{{domxref("WebGLProgram")}}对象</dd>
</dl>

<h3 id="返回参数">返回参数</h3>

<p>无.</p>

<h2 id="示例">示例</h2>

<pre class="brush: js">var program = gl.createProgram();

// Attach pre-existing shaders
gl.attachShader(program, vertexShader);
gl.attachShader(program, fragmentShader);

gl.linkProgram(program);
gl.useProgram(program);
</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', "#5.14.9", "useProgram")}}</td>
   <td>{{Spec2('WebGL')}}</td>
   <td>原始定义.</td>
  </tr>
  <tr>
   <td>{{SpecName('OpenGL ES 2.0', "glUseProgram.xml", "glUseProgram")}}</td>
   <td>{{Spec2('OpenGL ES 2.0')}}</td>
   <td>OpenGL API主页.</td>
  </tr>
 </tbody>
</table>

<h2 id="浏览器兼容">浏览器兼容</h2>

<p>{{Compat("api.WebGLRenderingContext.useProgram")}}</p>

<h2 id="相关资料">相关资料</h2>

<ul>
 <li>{{domxref("WebGLRenderingContext.createProgram()")}}</li>
 <li>{{domxref("WebGLRenderingContext.deleteProgram()")}}</li>
 <li>{{domxref("WebGLRenderingContext.isProgram()")}}</li>
 <li>{{domxref("WebGLRenderingContext.linkProgram()")}}</li>
 <li>{{domxref("WebGLRenderingContext.validateProgram()")}}</li>
 <li>{{domxref("WebGLRenderingContext.getProgramParameter()")}}</li>
 <li>{{domxref("WebGLRenderingContext.getProgramInfoLog()")}}</li>
</ul>