aboutsummaryrefslogtreecommitdiff
path: root/files/zh-cn/web/api/webglrenderingcontext/getshaderparameter/index.html
blob: f9e76ea261a5cf275d1e21ca52827e4b4960085f (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
---
title: WebGLRenderingContext.getShaderParameter()
slug: Web/API/WebGLRenderingContext/getShaderParameter
translation_of: Web/API/WebGLRenderingContext/getShaderParameter
---
<div>{{APIRef("WebGL")}}</div>

<p><strong><code>WebGLRenderingContext.getShaderParameter()</code></strong> 返回给定的着色器信息</p>

<h2 id="语法">语法</h2>

<pre class="syntaxbox">any <var>gl</var>.getShaderParameter(<var>shader</var>, <var>pname</var>);
</pre>

<h3 id="参数">参数</h3>

<dl>
 <dt>shader</dt>
 <dd>需要获取信息的着色器对象</dd>
 <dt>pname</dt>
 <dd>指定要查询的信息属性名称</dd>
 <dd>values:
 <ul>
  <li><code>gl.DELETE_STATUS</code>:标示着色器是否被删除,删除(<strong>GL_TRUE</strong>)未删除(<strong>GL_FALSE</strong>).</li>
  <li><code>gl.COMPILE_STATUS</code>: 标示着色器是否编译成功,是(<strong>GL_TRUE</strong>)不是(<strong>GL_FALSE</strong></li>
  <li><code>gl.SHADER_TYPE</code>: 标示着色器类型,是顶点着色器(<code>gl.VERTEX_SHADER</code>)还是片段着色器(<code>gl.FRAGMENT_SHADER</code>)</li>
 </ul>
 </dd>
</dl>

<h3 id="返回值">返回值</h3>

<p>返回对应着色器属性信息</p>

<h2 id="例子">例子</h2>

<pre class="brush: js">gl.getShaderParameter(shader, gl.SHADER_TYPE);
</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", "getShaderParameter")}}</td>
   <td>{{Spec2('WebGL')}}</td>
   <td>Initial definition.</td>
  </tr>
  <tr>
   <td>{{SpecName('OpenGL ES 2.0', "glGetShaderiv.xml", "glGetShaderiv")}}</td>
   <td>{{Spec2('OpenGL ES 2.0')}}</td>
   <td>Man page of the (similar) OpenGL API.</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.getShaderParameter")}}</p>

<h2 id="相关链接">相关链接</h2>

<ul>
 <li>{{domxref("WebGLRenderingContext.getProgramParameter()")}}</li>
</ul>