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<!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>
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