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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 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>
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