xrView_match.https.html

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This test has a WPT meta file that expects 2 subtest issues.
This WPT test may be referenced by the following Test IDs:
- /webxr/xrView_match.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 testName = "XRFrame contains the expected views";

const fakeViews = [{

        eye:"left",

        projectionMatrix: VALID_PROJECTION_MATRIX,

        viewOffset: LEFT_OFFSET,

        resolution: VALID_RESOLUTION

    }, {

        eye:"right",

        projectionMatrix: VALID_PROJECTION_MATRIX,

        viewOffset: RIGHT_OFFSET,

        resolution: VALID_RESOLUTION

},

];

let fakeDeviceInitParams = {

    supportsImmersive: true,

    supportedModes: ["inline", "immersive-vr"],

    views: fakeViews,

    viewerOrigin: IDENTITY_TRANSFORM,

    supportedFeatures: ALL_FEATURES

};

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

  return session.requestReferenceSpace('viewer').then(function(viewerSpace) {

    return session.requestReferenceSpace('local').then((referenceSpace) => new Promise((resolve) => {

      function onFrame(time, xrFrame) {

        let pose = xrFrame.getViewerPose(referenceSpace);

        assert_not_equals(pose, null);

        assert_not_equals(pose.views, null);

        assert_equals(pose.views.length, 2);

          let pose2 = xrFrame.getPose(viewerSpace, referenceSpace);

          assert_not_equals(pose2, null);

          // This pose should have the same transform as the viewer pose, but without

          // the views array. It should be an XRPose instead of the XRViewerPose derived

          // class.

          assert_true(pose2 instanceof XRPose);

          assert_false(pose2 instanceof XRViewerPose);

          assert_not_equals(pose2.transform, null);

          assert_not_equals(pose2.transform.matrix, null);

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

        // Ensure that two views are provided.

        let leftView = pose.views[0];

        let rightView = pose.views[1];

        // Ensure that the views are the right type.

        assert_true(leftView instanceof XRView);

        assert_true(rightView instanceof XRView);

        // Ensure that they have the expected eye enums.

        assert_equals(leftView.eye, "left");

        assert_equals(rightView.eye, "right");

        // Ensure they have the expected projection matrices.

        assert_not_equals(leftView.projectionMatrix, null);

        assert_not_equals(rightView.projectionMatrix, null);

        assert_matrix_approx_equals(leftView.projectionMatrix, VALID_PROJECTION_MATRIX);

        assert_matrix_approx_equals(rightView.projectionMatrix, VALID_PROJECTION_MATRIX);

        // Finished test.

        resolve();

      session.requestAnimationFrame(onFrame);

    }));

});

};

xr_session_promise_test(

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

</script>