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---
title: WebGLRenderingContext.validateProgram()
slug: Web/API/WebGLRenderingContext/validateProgram
tags:
- API
- Reference
- WebGL
- WebGLRenderingContext
translation_of: Web/API/WebGLRenderingContext/validateProgram
---
<div>{{APIRef("WebGL")}}</div>
<p><strong><code>WebGLRenderingContext.validateProgram()</code></strong> 是一种 <a href="/en-US/docs/Web/API/WebGL_API">WebGL API</a> ，主要是用来验证 {{domxref("WebGLProgram")}}。 它在检查 WebGLProgram 程序是否链接成功的同时还会检查其是否能在当前的 WebGL 中使用。</p>
<h2 id="语法">语法</h2>
<pre class="syntaxbox">void <var>gl</var>.validateProgram(<var>program</var>);
</pre>
<h3 id="参数">参数</h3>
<dl>
<dt>program</dt>
<dd>待验证的 {{domxref("WebGLProgram")}}。</dd>
</dl>
<h3 id="返回值">返回值</h3>
<p>None.</p>
<h2 id="Examples">Examples</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.validateProgram(program);
if ( !gl.getProgramParameter( program, gl.LINK_STATUS) ) {
var info = gl.getProgramInfoLog(program);
throw '不能编译 WebGL 程序. \n\n' + info;
}
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", "validateProgram")}}</td>
<td>{{Spec2('WebGL')}}</td>
<td>初次定义.</td>
</tr>
<tr>
<td>{{SpecName('OpenGL ES 2.0', "glValidateProgram.xml", "glValidateProgram")}}</td>
<td>{{Spec2('OpenGL ES 2.0')}}</td>
<td>OpenGL API 的帮助页中.</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.validateProgram")}}</p>
<h2 id="See_also">See also</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.useProgram()")}}</li>
<li>{{domxref("WebGLRenderingContext.getProgramParameter()")}}</li>
<li>{{domxref("WebGLRenderingContext.getProgramInfoLog()")}}</li>
</ul>
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