WebGLRenderingContext.isShader()
Baseline Widely available
This feature is well established and works across many devices and browser versions. It’s been available across browsers since July 2015.
WebGL API 中的 WebGLRenderingContext.isShader()
方法,在传入的 WebGLShader
有效时返回 true
,否则返回 false
。
语法
GLboolean gl.isShader(shader);
参数
- shader
-
需要校验的
WebGLShader
返回值
用来表明 shader 是否有效的 GLboolean
对象
示例
校验一个 Shader
js
var canvas = document.getElementById("canvas");
var gl = canvas.getContext("webgl");
var shader = gl.createShader(gl.VERTEX_SHADER);
// ...
gl.isShader(shader);
规范
Specification |
---|
WebGL Specification # 5.14.9 |
浏览器兼容性
Report problems with this compatibility data on GitHubdesktop | mobile | |||||||||||
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isShader |
Legend
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- Full support
- Full support
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