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WebGL2RenderingContext: fenceSync() method

The WebGL2RenderingContext.fenceSync() method of the WebGL 2 API creates a new WebGLSync object and inserts it into the GL command stream.

Syntax

js

fenceSync(condition, flags)

Parameters

condition

A GLenum specifying the condition that must be met to set the sync object's state to signaled. Must be gl.SYNC_GPU_COMMANDS_COMPLETE.

flags

A GLbitfield specifying a bitwise combination of flags controlling the behavior of the sync object. Must be 0 (exists for extensions only).

Return value

A WebGLSync object.

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);

Specifications

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
fenceSync 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/fenceSync