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
The compatibility table in this page is generated from structured data. If you'd like to contribute to the data, please check out https://github.com/mdn/browser-compat-data and send us a pull request.
| Feature | Chrome | Edge | Firefox | Internet Explorer | Opera | Safari |
|---|---|---|---|---|---|---|
| Basic support | 9 | 12 | 4 | 11 | 12 | 5.1 |
| Available in workers | No | No | 441 | No | No | No |
| Feature | Android webview | Chrome for Android | Edge mobile | Firefox for Android | Opera Android | iOS Safari | Samsung Internet |
|---|---|---|---|---|---|---|---|
| Basic support | Yes | 25 | Yes | Yes | 12 | 8.1 | Yes |
| 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.