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The WebGLRenderingContext.getActiveUniform() method of the WebGL API returns a WebGLActiveInfo object containing size, type, and name of a uniform attribute at a given position in a WebGLProgram.


WebGLActiveInfo gl.getActiveUniform(program,index);


A WebGLProgram containing the uniform attribute.
A GLuint specifying the index of the uniform attribute to get.

Return value

A WebGLActiveInfo object.


gl.getActiveUniform(program, i);


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

Browser compatibility

Feature Chrome Edge Firefox (Gecko) Internet Explorer Opera Safari
Basic support 9 12 4.0 (2.0) 11 12 5.1
Feature Android Chrome for Android Firefox Mobile (Gecko) Firefox OS IE Mobile Opera Mobile Safari Mobile
Basic support ? 25 4.0 (2.0) 1.0 ? 12 8.0

See also

Document Tags and Contributors

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