WebGL2RenderingContext: isSync() method
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 WebGL2RenderingContext.isSync() method of the WebGL 2 API returns true if the passed object is a valid WebGLSync object.
Syntax
js
isSync(sync) Parameters
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 |