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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/validateprogram | |
parent | 8b66d724f7caf0157093fb09cfec8fbd0c6ad50a (diff) | |
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diff --git a/files/zh-cn/web/api/webglrenderingcontext/validateprogram/index.html b/files/zh-cn/web/api/webglrenderingcontext/validateprogram/index.html new file mode 100644 index 0000000000..7139cec259 --- /dev/null +++ b/files/zh-cn/web/api/webglrenderingcontext/validateprogram/index.html @@ -0,0 +1,88 @@ +--- +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> |