The WebGLRenderingContext.getUniformLocation() method of the WebGL API returns a WebGLUniformLocation of a uniform variable in a given WebGLProgram.


WebGLUniformLocation gl.getUniformLocation(program, name);


A WebGLProgram containing the uniform variable.
A DOMString specifying the name of the uniform variable whose location to get.

Return value

A WebGLUniformLocation object indicating the location of the variable name if found. Returns null otherwise.


gl.getUniformLocation(program, 'vColor');


Specification Status Comment
WebGL 1.0
The definition of 'getUniformLocation' in that specification.
Recommendation Initial definition.
OpenGL ES 2.0
The definition of 'glGetUniformLocation' in that specification.
Standard Man page of the OpenGL API.

Browser compatibility

Feature Chrome Edge Firefox Internet Explorer Opera Safari Servo
Basic Support9124.011125.1No support
Feature Android Chrome for Android Edge Mobile Firefox for Android IE Mobile Opera Mobile Safari Mobile
Basic Support(Yes)25(Yes)4.011128.1

See also

Document Tags and Contributors

 Contributors to this page: nmve, teoli, fscholz
 Last updated by: nmve,