WebGLRenderingContext.attachShader()

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 APIWebGLRenderingContext.attachShader() 方法负责往 WebGLProgram 添加一个片段或者顶点着色器。

语法

void gl.attachShader(program, shader);

参数

program

一个 WebGLProgram 对象

shader

一个类型为片段或者顶点的 WebGLShader

示例

以下代码为 WebGLProgram 添加一个预先定义好的着色器。

js
var program = gl.createProgram();

// 添加一个预先定义的着色器
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;
}

规范

Specification
WebGL Specification
# 5.14.9

浏览器兼容性

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desktopmobile
Chrome
Edge
Firefox
Opera
Safari
Chrome Android
Firefox for Android
Opera Android
Safari on iOS
Samsung Internet
WebView Android
WebView on iOS
attachShader

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Full support
Full support

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