WebGL2RenderingContext.uniformMatrix[234]x[234]fv()

Baseline Widely available *

This feature is well established and works across many devices and browser versions. It’s been available across browsers since September 2021.

* Some parts of this feature may have varying levels of support.

实验性: 这是一项实验性技术
在将其用于生产之前,请仔细检查浏览器兼容性表格

WebGL 2 APIWebGL2RenderingContext.uniformMatrix[234]x[234]fv() 方法向 uniform 变量中传入指定的矩阵值。

备注: 这个方法不用 2x23x34x4 版本,它们通常分别用 234 简写表示,详见下方语法。

语法

js
uniformMatrix2fv(location, transpose, data)
uniformMatrix2fv(location, transpose, data, srcOffset)
uniformMatrix2fv(location, transpose, data, srcOffset, srcLength)

uniformMatrix3x2fv(location, transpose, data)
uniformMatrix3x2fv(location, transpose, data, srcOffset)
uniformMatrix3x2fv(location, transpose, data, srcOffset, srcLength)

uniformMatrix4x2fv(location, transpose, data)
uniformMatrix4x2fv(location, transpose, data, srcOffset)
uniformMatrix4x2fv(location, transpose, data, srcOffset, srcLength)

uniformMatrix2x3fv(location, transpose, data)
uniformMatrix2x3fv(location, transpose, data, srcOffset)
uniformMatrix2x3fv(location, transpose, data, srcOffset, srcLength)

uniformMatrix3fv(location, transpose, data)
uniformMatrix3fv(location, transpose, data, srcOffset)
uniformMatrix3fv(location, transpose, data, srcOffset, srcLength)

uniformMatrix4x3fv(location, transpose, data)
uniformMatrix4x3fv(location, transpose, data, srcOffset)
uniformMatrix4x3fv(location, transpose, data, srcOffset, srcLength)

uniformMatrix2x4fv(location, transpose, data)
uniformMatrix2x4fv(location, transpose, data, srcOffset)
uniformMatrix2x4fv(location, transpose, data, srcOffset, srcLength)

uniformMatrix3x4fv(location, transpose, data)
uniformMatrix3x4fv(location, transpose, data, srcOffset)
uniformMatrix3x4fv(location, transpose, data, srcOffset, srcLength)

uniformMatrix4fv(location, transpose, data)
uniformMatrix4fv(location, transpose, data, srcOffset)
uniformMatrix4fv(location, transpose, data, srcOffset, srcLength)

参数

location

一个包含想要修改的 uniform 变量的WebGLUniformLocation 对象

transpose

一个决定是否转置矩阵的布尔值( GLboolean。在 webgl 中必须为false

data

一个包含方阵中浮点数的类数组对象 (TypeArray) Float32Array

返回值

没有。

例子

js
gl.uniformMatrix2x3fv(loc, false, [1, 2, 3, 4, 5, 6]);

规范

Specification
WebGL Specification
# 5.14.10

浏览器兼容性

Report problems with this compatibility data on GitHub
desktopmobile
Chrome
Edge
Firefox
Opera
Safari
Chrome Android
Firefox for Android
Opera Android
Safari on iOS
Samsung Internet
WebView Android
WebView on iOS
uniformMatrix2fv
value parameter accepts SharedArrayBuffer type

Legend

Tip: you can click/tap on a cell for more information.

Full support
Full support
No support
No support

令见