WebGL warning: clientWaitSync: ClientWaitSync must return TIMEOUT_EXPIRED until control has returned to the user agent's main loop. (only warns once
Cause : calling glGetSync twice without giving back control to user agent
does not happen
separator
timeout
must not exceed MAX_CLIENT_WAIT_TIMEOUT_WEBGL nanoseconds.
- calling waitSync with timout max then
MAX_CLIENT_WAIT_TIMEOUT
gl.clientWaitSync(sync, 0, max + 1);
shouldBe("gl.getError()", "gl.INVALID_OPERATION");