WebGL2RenderingContext.uniform[1234][uif][v]()

The WebGL2RenderingContext.uniform[1234][uif][v]() methods of the WebGL API specify values of uniform variables.

Note: ui stands for unsigned integer, i for integer, > f for float, and v for vector. Not all combinations are valid: u cannot be combined with f. See the syntax table below. Equivalent Regex: uniform[1234](u?i|f)v?

Syntax

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)

Parameters

location

A WebGLUniformLocation object containing the location of the uniform attribute to modify.

data, v0, v1, v2, v3

A new value to be used for the uniform variable. Possible types:

  • A Number for unsigned integer values (methods with ui), for integer values (methods with i), or for floats (methods with f).
  • A Uint32Array for unsigned integer vector methods (methods with uiv).

Return value

None (undefined).

Specifications

Specification
WebGL 2.0 Specification
# 3.7.8

Browser compatibility

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See also