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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.createProgram()
+slug: Web/API/WebGLRenderingContext/createProgram
+translation_of: Web/API/WebGLRenderingContext/createProgram
+---
+<div>{{APIRef("WebGL")}}</div>
+
+<p><a href="/en-US/docs/Web/API/WebGL_API">WebGL API</a>  的 <strong><code>WebGLRenderingContext.createProgram()</code></strong> 方法用于创建和初始化一个 {{domxref("WebGLProgram")}} 对象。</p>
+
+<h2 id="语法">语法</h2>
+
+<pre class="syntaxbox">WebGLProgram <var>gl</var>.createProgram();
+</pre>
+
+<h3 id="参数">参数</h3>
+
+<p>无.</p>
+
+<h3 id="返回值">返回值</h3>
+
+<p>一个 {{domxref("WebGLProgram")}} 对象由两个编译过后的 {{domxref("WebGLShader")}} 组成 - 顶点着色器和片段着色器(均由 GLSL 语言所写)。这些组合成一个可用的 WebGL 着色器程序。</p>
+
+<h2 id="例子">例子</h2>
+
+<h3 id="创建一个_WebGL_着色器程序">创建一个 WebGL 着色器程序</h3>
+
+<pre class="brush: js">var program = gl.createProgram();
+
+// 添加预先定义好的顶点着色器和片段着色器
+gl.attachShader(program, vertexShader);
+gl.attachShader(program, fragmentShader);
+
+gl.linkProgram(program);
+
+if ( !gl.getProgramParameter( program, gl.LINK_STATUS) ) {
+ var info = gl.getProgramInfoLog(program);
+ throw "Could not compile WebGL program. \n\n" + info;
+}
+</pre>
+
+<p>详见 {{domxref("WebGLShader")}} 获取更多关于创建上述代码中顶点着色器和片段着色器的信息。</p>
+
+<h2 id="规范">规范</h2>
+
+<table class="standard-table">
+ <tbody>
+ <tr>
+ <th scope="col">规范</th>
+ <th scope="col">状态</th>
+ <th scope="col">注释</th>
+ </tr>
+ <tr>
+ <td>{{SpecName('WebGL', "#5.14.9", "createProgram")}}</td>
+ <td>{{Spec2('WebGL')}}</td>
+ <td>初始定义</td>
+ </tr>
+ <tr>
+ <td>{{SpecName('OpenGL ES 2.0', "glCreateProgram.xml", "glCreateProgram")}}</td>
+ <td>{{Spec2('OpenGL ES 2.0')}}</td>
+ <td>OpenGL(类似) API的规范文档</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.createProgram")}}</p>
+
+<h2 id="相关资料">相关资料</h2>
+
+<ul>
+ <li>{{domxref("WebGLRenderingContext.deleteProgram()")}}</li>
+ <li>{{domxref("WebGLRenderingContext.isProgram()")}}</li>
+ <li>{{domxref("WebGLRenderingContext.linkProgram()")}}</li>
+ <li>{{domxref("WebGLRenderingContext.useProgram()")}}</li>
+ <li>{{domxref("WebGLRenderingContext.validateProgram()")}}</li>
+ <li>{{domxref("WebGLRenderingContext.getProgramParameter()")}}</li>
+ <li>{{domxref("WebGLRenderingContext.getProgramInfoLog()")}}</li>
+</ul>