WebGLUniformLocation

The WebGLUniformLocation interface is part of the WebGL API and represents the location of a uniform variable in a shader program.

Description

The WebGLUniformLocation object does not define any methods or properties of its own and its content is not directly accessible. When working with WebGLUniformLocation objects, the following methods of the WebGLRenderingContext are useful:

Examples

Getting an uniform location

var canvas = document.getElementById('canvas');
var gl = canvas.getContext('webgl');

var location = gl.getUniformLocation(WebGLProgram, 'uniformName');

Specifications

Specification Status Comment
WebGL 1.0
The definition of 'WebGLUniformLocation' in that specification.
Recommendation Initial definition.

Browser compatibility

FeatureChromeEdgeFirefoxInternet ExplorerOperaSafari
Basic support912411125.1
Available in workers No No441 No No No
FeatureAndroid webviewChrome for AndroidEdge mobileFirefox for AndroidIE mobileOpera AndroidiOS Safari
Basic support Yes25 Yes Yes11128.1
Available in workers No No No No No No No

1. From version 44: this feature is behind the gfx.offscreencanvas.enabled preference (needs to be set to true). To change preferences in Firefox, visit about:config.

See also

Document Tags and Contributors

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