This is an experimental technology
Check the Browser compatibility table carefully before using this in production.

The WebGL2RenderingContext.getUniformIndices() method of the WebGL 2 API retrieves the indices of a number of uniforms within a WebGLProgram.


sequence<GLuint> gl.getUniformIndices(program, uniformNames);


A WebGLProgram containing uniforms whose indices to query.
An Array of DOMString specifying the names of the uniforms to query.

Return value

An Array of GLuint containing the uniform indices.


var uniformIndices = gl.getUniformIndices(program, ['UBORed', 'UBOGreen', 'UBOBlue']);


Specification Status Comment
WebGL 2.0
The definition of 'getUniformIndices' in that specification.
Editor's Draft Initial definition for WebGL.
OpenGL ES 3.0
The definition of 'glGetUniformIndices' in that specification.
Standard Man page of the (similar) OpenGL API.

Browser compatibility

FeatureChromeEdgeFirefoxInternet ExplorerOperaSafari
Basic support56 No51 No43 No
FeatureAndroid webviewChrome for AndroidEdge mobileFirefox for AndroidOpera AndroidiOS SafariSamsung Internet
Basic support5858 No5143 No7.0

See also

Document Tags and Contributors

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