xrFrame_getViewerPose_getPose.https.html

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This WPT test may be referenced by the following Test IDs:
- /webxr/xrFrame_getViewerPose_getPose.https.html - WPT Dashboard Interop Dashboard

<!DOCTYPE html>

<body>

  <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 testName = "XRFrame getViewerPose(refSpace) matches getPose(viewer, refSpace).";

    // Used for viewer origin, the actual values should not matter for the test.

    const poseTransform = {

        position: [1, 2, 3],

        orientation: [0.5, 0.5, 0.5, 0.5] // 120 degrees around [1, 1, 1] axis

};

    // Use the same device as tracked immersive device, but modify the viewer origin.

    const deviceInitParams = Object.assign({}, TRACKED_IMMERSIVE_DEVICE, {viewerOrigin: poseTransform});

    // Used when creating a reference space that is offset from local space.

    // Actual values should not matter for the test.

    const offsetSpaceTransform = new XRRigidTransform(

      { x: 1.00, y: -1.50, z: 10.00, w: 1.0 },

      { x: 0.27, y:  0.00, z:  0.27, w: 0.92},  // 45 degrees around [1, 0, 1] axis

);

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

      return Promise.all([

        session.requestReferenceSpace('local'),

        session.requestReferenceSpace('viewer'),

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

        const offsetRefSpace = referenceSpace.getOffsetReferenceSpace(offsetSpaceTransform);

        function onFrame(time, frame){

          t.step(() => {

            const pose1 = frame.getViewerPose(referenceSpace);

            const pose2 = frame.getPose(viewerRefSpace, referenceSpace);

            assert_not_equals(pose1, null);

            assert_not_equals(pose2, null);

            assert_matrix_approx_equals(pose1.transform.matrix, pose2.transform.matrix);

            const pose3 = frame.getViewerPose(offsetRefSpace);

            const pose4 = frame.getPose(viewerRefSpace, offsetRefSpace);

            assert_not_equals(pose3, null);

            assert_not_equals(pose4, null);

            assert_matrix_approx_equals(pose3.transform.matrix, pose4.transform.matrix);

});

          resolve();

        session.requestAnimationFrame(onFrame);

      }));

};

    xr_session_promise_test(testName, testFunction,

      deviceInitParams, 'immersive-vr');

  </script>

</body>