WebGL2RenderingContext：uniform[1234][uif][v]() 方法
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.
备注： 此特性在 Web Worker 中可用。
WebGL API 的 WebGL2RenderingContext.uniform[1234][uif][v]() 方法指定了 uniform 变量的值。
备注：
ui 指无符号整数，i 指整数，f 指浮点数，而 v 则指向量。并不是所有的组合都是有效的：u 不能与 f 组合。详见下方语法表格。等价的正则表达式：uniform[1234](u?i|f)v?
语法
js
uniform1ui(location, v0)
uniform2ui(location, v0, v1)
uniform3ui(location, v0, v1, v2)
uniform4ui(location, v0, v1, v2, v3)
uniform1fv(location, data)
uniform1fv(location, data, srcOffset)
uniform1fv(location, data, srcOffset, srcLength)
uniform2fv(location, data)
uniform2fv(location, data, srcOffset)
uniform2fv(location, data, srcOffset, srcLength)
uniform3fv(location, data)
uniform3fv(location, data, srcOffset)
uniform3fv(location, data, srcOffset, srcLength)
uniform4fv(location, data)
uniform4fv(location, data, srcOffset)
uniform4fv(location, data, srcOffset, srcLength)
uniform1iv(location, data)
uniform1iv(location, data, srcOffset)
uniform1iv(location, data, srcOffset, srcLength)
uniform2iv(location, data)
uniform2iv(location, data, srcOffset)
uniform2iv(location, data, srcOffset, srcLength)
uniform3iv(location, data)
uniform3iv(location, data, srcOffset)
uniform3iv(location, data, srcOffset, srcLength)
uniform4iv(location, data)
uniform4iv(location, data, srcOffset)
uniform4iv(location, data, srcOffset, srcLength)
uniform1uiv(location, data)
uniform1uiv(location, data, srcOffset)
uniform1uiv(location, data, srcOffset, srcLength)
uniform2uiv(location, data)
uniform2uiv(location, data, srcOffset)
uniform2uiv(location, data, srcOffset, srcLength)
uniform3uiv(location, data)
uniform3uiv(location, data, srcOffset)
uniform3uiv(location, data, srcOffset, srcLength)
uniform4uiv(location, data)
uniform4uiv(location, data, srcOffset)
uniform4uiv(location, data, srcOffset, srcLength)
参数
location-
一个包含了要修改的 uniform 属性的位置的
WebGLUniformLocation对象。 data、v0、v1、v2、v3-
要被应用到 uniform 变量中的新值。可能的类型：
Number：用于无符号整数值（具有ui的方法）、整数值（具有i的方法）或浮点数（具有f的方法）。Uint32Array：用于无符号整数向量方法（具有uiv的方法）。
返回值
无（undefined）。
规范
| Specification |
|---|
| WebGL 2.0 Specification # 3.7.8 |