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author | Peter Bengtsson <mail@peterbe.com> | 2020-12-08 14:40:17 -0500 |
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committer | Peter Bengtsson <mail@peterbe.com> | 2020-12-08 14:40:17 -0500 |
commit | 33058f2b292b3a581333bdfb21b8f671898c5060 (patch) | |
tree | 51c3e392513ec574331b2d3f85c394445ea803c6 /files/zh-cn/web/api/webglrenderingcontext/createprogram | |
parent | 8b66d724f7caf0157093fb09cfec8fbd0c6ad50a (diff) | |
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diff --git a/files/zh-cn/web/api/webglrenderingcontext/createprogram/index.html b/files/zh-cn/web/api/webglrenderingcontext/createprogram/index.html new file mode 100644 index 0000000000..1a0214b0e2 --- /dev/null +++ b/files/zh-cn/web/api/webglrenderingcontext/createprogram/index.html @@ -0,0 +1,81 @@ +--- +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> |