MDN wants to learn about developers like you: https://qsurvey.mozilla.com/s3/MDN-dev-survey

WEBGL_lose_context.restoreContext()

The WEBGL_lose_context.restoreContext() method is part of the WebGL API and allows you to simulate restoring the context of a WebGLRenderingContext object.

Syntax

gl.getExtension('WEBGL_lose_context').restoreContext();

Errors thrown

  • INVALID_OPERATION if the context was not lost.

Examples

With this method, you can simulate the webglcontextrestored event:

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

canvas.addEventListener('webglcontextrestored', function(e) {
  console.log(e); 
}, false);

gl.getExtension('WEBGL_lose_context').restoreContext();

Specifications

Specification Status Comment
WEBGL_lose_context
The definition of 'WEBGL_lose_context.loseContext' in that specification.
Recommendation Initial definition.

Browser compatibility

FeatureChromeFirefoxEdgeInternet ExplorerOperaSafari
Basic Support?

19.0 — 22.0 MOZ_

22.0

(No)???
FeatureAndroidChrome for AndroidEdge mobileFirefox for AndroidIE mobileOpera AndroidiOS Safari
Basic Support??(No)????

See also

Document Tags and Contributors

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