xrStationaryReferenceSpace_floorlevel_updates.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/xrStationaryReferenceSpace_floorlevel_updates.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 src="resources/webxr_test_asserts.js"></script>

<script>

let immersiveTestName = "'floor-level' XRStationaryReferenceSpace updates properly when " +

  "the transform changes for immersive sessions";

let nonImmersiveTestName = "'floor-level' XRStationaryReferenceSpace updates properly when " +

  "the transform changes for non-immersive sessions";

let fakeDeviceInitParams = TRACKED_IMMERSIVE_DEVICE;

let testFunction = function(session, fakeDeviceController, t) {

  // Don't need to request a frame/allow the stage updates to propagate before

  // requesting local-floor because if the stage transform is set it just won't

  // be emulated on the first frame, and we wait a frame before checking.

  return session.requestReferenceSpace('local-floor')

    .then((referenceSpace) => new Promise((resolve, reject) => {

      function onFirstFrame(time, xrFrame) {

        // On the first frame where the pose has been initialized, the stage

        // should be using an emulated frame of reference because it has no

        // stageParameters yet. So the pose should be ~1.5 meters off the floor.

        t.step( () => {

          let pose = xrFrame.getViewerPose(referenceSpace);

          let poseMatrix = pose.transform.matrix;

          assert_approx_equals(poseMatrix[12], 0.0, FLOAT_EPSILON);

          assert_greater_than(poseMatrix[13], 1.0);

          assert_approx_equals(poseMatrix[14], 0.0, FLOAT_EPSILON);

          fakeDeviceController.setFloorOrigin(VALID_FLOOR_ORIGIN);

          // Need to request one animation frame for the new stage transform to

          // propagate before we check that it's what we expect.

          requestSkipAnimationFrame(session, onFrame);

});

      function onFrame(time, xrFrame) {

        t.step( () => {

          // Check that stage transform was updated.

          let pose = xrFrame.getViewerPose(referenceSpace);

          assert_not_equals(pose, null);

          let poseMatrix = pose.transform.matrix;

          assert_matrix_approx_equals(poseMatrix, VALID_FLOOR_ORIGIN_MATRIX);

});

        // Finished.

        resolve();

      // Need to wait one frame for the removal to propagate before we check that

      // everything is at the expected emulated position.

      requestSkipAnimationFrame(session, onFirstFrame);

    }));

};

xr_session_promise_test(immersiveTestName, testFunction, fakeDeviceInitParams, 'immersive-vr', { 'requiredFeatures': ['local-floor'] });

xr_session_promise_test(nonImmersiveTestName, testFunction, fakeDeviceInitParams, 'inline', { 'requiredFeatures': ['local-floor'] });

</script>