Baseline Widely available
Note: This feature is available in Web Workers.
The WebGL2RenderingContext.waitSync()
method of the WebGL 2 API returns immediately, but waits on the GL server until the given WebGLSync
object is signaled.
The method is a no-op in the absence of the possibility of synchronizing between multiple GL contexts.
SyntaxwaitSync(sync, flags, timeout)
Parameters
sync
A WebGLSync
object on which to wait on.
flags
A GLbitfield
specifying a bitwise combination of flags controlling the flushing behavior. Must be 0
(exists for extensions only).
timeout
A GLint64
specifying a timeout the server should wait before continuing. Must be gl.TIMEOUT_IGNORED
.
None (undefined
).
const sync = gl.fenceSync(gl.SYNC_GPU_COMMANDS_COMPLETE, 0);
gl.waitSync(sync, 0, gl.TIMEOUT_IGNORED);
Specifications Browser compatibility See also
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