From 33058f2b292b3a581333bdfb21b8f671898c5060 Mon Sep 17 00:00:00 2001
From: Peter Bengtsson <mail@peterbe.com>
Date: Tue, 8 Dec 2020 14:40:17 -0500
Subject: initial commit

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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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