WebGLSync

Baseline Widely available

This feature is well established and works across many devices and browser versions. It’s been available across browsers since September 2021.

Note: This feature is available in Web Workers.

The WebGLSync interface is part of the WebGL 2 API and is used to synchronize activities between the GPU and the application.

WebGLObject WebGLSync

When working with WebGLSync objects, the following methods of the WebGL2RenderingContext are useful:

Examples

Creating a WebGLSync object

in this example, gl must be a WebGL2RenderingContext. WebGLSync objects are not available in WebGL 1.

js
const sync = gl.fenceSync(gl.SYNC_GPU_COMMANDS_COMPLETE, 0);

Specifications

Specification
WebGL 2.0 Specification
# 3.4

Browser compatibility

Report problems with this compatibility data on GitHub
desktopmobile
Chrome
Edge
Firefox
Opera
Safari
Chrome Android
Firefox for Android
Opera Android
Safari on iOS
Samsung Internet
WebView Android
WebView on iOS
WebGLSync

Legend

Tip: you can click/tap on a cell for more information.

Full support
Full support

See also