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WebGL2RenderingContext: isSync() method

The WebGL2RenderingContext.isSync() method of the WebGL 2 API returns true if the passed object is a valid WebGLSync object.

Syntax

js

isSync(sync)

Parameters

sync

A WebGLSync object to test.

Return value

A GLboolean indicating whether the given object is a valid WebGLSync object (true) or not (false).

Examples

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

js

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

// …

gl.isSync(sync);

Specifications

Specification
WebGL 2.0 Specification
# 3.7.14

Browser compatibility

Desktop Mobile
Chrome Edge Firefox Internet Explorer Opera Safari WebView Android Chrome Android Firefox for Android Opera Android Safari on IOS Samsung Internet
isSync 56 79 51 No 43 15 58 58 51 43 15 7.0

See also

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https://developer.mozilla.org/en-US/docs/Web/API/WebGL2RenderingContext/isSync