Baseline Widely available
Note: This feature is available in Web Workers.
The WebGL2RenderingContext.clientWaitSync()
method of the WebGL 2 API blocks and waits for a WebGLSync
object to become signaled or a given timeout to be passed.
clientWaitSync(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. May be gl.SYNC_FLUSH_COMMANDS_BIT
.
timeout
A GLint64
specifying a timeout (in nanoseconds) for which to wait for the sync object to become signaled. Must not be larger than gl.MAX_CLIENT_WAIT_TIMEOUT_WEBGL
.
A GLenum
indicating the sync object's status.
gl.ALREADY_SIGNALED
: Indicates that the sync object was signaled when this method was called.gl.TIMEOUT_EXPIRED
: Indicates that the timeout
time passed and that the sync object did not become signaled.gl.CONDITION_SATISFIED
: Indicates that the sync object was signaled before the timeout
expired.gl.WAIT_FAILED
: Indicates that an error occurred during the execution.const sync = gl.fenceSync(gl.SYNC_GPU_COMMANDS_COMPLETE, 0);
const status = gl.clientWaitSync(sync, 0, 0);
Specifications Browser compatibility See also
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