WebGLRenderingContext.getAttribLocation() 方法返回了给定WebGLProgram对象中某属性的下标指向位置。
语法
GLint gl.getAttribLocation(program, name);
参数
- program
- 一个包含了属性参数的
WebGLProgram对象。 - name
- 需要获取下标指向位置的
DOMString属性参数名
返回值
表明属性位置的下标 GLint 数字，如果找不到该属性则返回-1。
示例
gl.getAttribLocation(program, 'vColor');
规范
| 规范 | 状态 | 注释 |
|---|---|---|
| WebGL 1.0 getAttribLocation |
Recommendation | 原始定义. |
| OpenGL ES 2.0 glGetAttribLocation |
Standard | OpenGL API的主页. |
浏览器兼容性
The compatibility table in this page is generated from structured data. If you'd like to contribute to the data, please check out https://github.com/mdn/browser-compat-data and send us a pull request.
Update compatibility data on GitHub
| Desktop | Mobile | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
getAttribLocation | Chrome Full support 9 | Edge Full support 12 | Firefox Full support 4 | IE Full support 11 | Opera Full support 12 | Safari Full support 5.1 | WebView Android Full support Yes | Chrome Android Full support 25 | Firefox Android Full support Yes | Opera Android Full support 12 | Safari iOS Full support 8 | Samsung Internet Android Full support 1.5 |
Legend
- Full support
- Full support