           // renderer.autoClearDepth = false;
          } */

          _openUrl('tutorial.html');
          _updateRigLists();

          console.log('loaded in xr device');
        });
      } else {
        console.log('no xr devices');
        await _bootFakeXrDisplay();
      }
    } else { // WebVR
      console.log('request device');
      const displays = await navigator.getVRDisplays();
      display = displays[0];

      if (display) {
        console.log('request present');
        await display