exclusive_requestFrame_nolayer.https.html

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This test has a WPT meta file that expects 4 subtest issues.
This WPT test may be referenced by the following Test IDs:
- /webxr/exclusive_requestFrame_nolayer.https.html - WPT Dashboard Interop Dashboard

<!DOCTYPE html>

<script src="/resources/testharness.js"></script>

<script src="/resources/testharnessreport.js"></script>

<script src="resources/webxr_util.js"></script>

<script src="resources/webxr_test_constants.js"></script>

<script>

let immersiveTestName = "XRSession requestAnimationFrame must fail if the session has "

  + "no baseLayer for immersive";

let nonImmersiveTestName = "XRSession requestAnimationFrame must fail if the session has "

  + "no baseLayer for non immersive";

let fakeDeviceInitParams = TRACKED_IMMERSIVE_DEVICE;

let testFunction = (session, controller, t, sessionObjects) => new Promise((resolve, reject) => {

  // Clear the base layer that the boilerplate sets.  This ensures that the rAF

  // won't fire.  If the fire *does* fire, it will fail because the baseLayer

  // won't match the new baselayer we later create.

  session.updateRenderState({

    baseLayer: null

});

  let gl = sessionObjects.gl;

  // Session must have a baseLayer or frame requests will be ignored.

  let webglLayer = new XRWebGLLayer(session, gl);

  function onEarlyFrame(time, vrFrame) {

    // We shouldn't be allowed to reach this callback with no baseLayer

    t.step(() => {

      assert_equals(session.renderState.baseLayer, webglLayer);

});

    resolve();

  // This callback shouldn't go through, since the session doesn't

  // have a baseLayer when this call is made.

  let handle = session.requestAnimationFrame(onEarlyFrame);

  // Should still give us a valid handle, though.

  assert_not_equals(handle, 0);

  // Wait for a bit and set the baseLayer.

  t.step_timeout(() => {

    // Once the base layer is set the previously registered callback should run.

    session.updateRenderState({

        baseLayer: webglLayer

});

  }, 300);

});

xr_session_promise_test(

  immersiveTestName, testFunction, fakeDeviceInitParams, 'immersive-vr');

xr_session_promise_test(

  nonImmersiveTestName, testFunction, fakeDeviceInitParams, 'inline');

</script>