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<!DOCTYPE html>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="resources/test-constants.js"></script>
<script src="resources/webxr_util.js"></script>
<script src="resources/xr-test-asserts.js"></script>
<canvas></canvas>
<script>
let immersiveTestName = "XRFrame.getPose works for immersive sessions";
let nonImmersiveTestName = "XRFrame.getPose works for non-immersive sessions";
let fakeDeviceInitParams = { supportsImmersive:true };
let testFunction = function(session, fakeDeviceController, t) {
// Need to have a valid pose or input events don't process.
fakeDeviceController.setXRPresentationFrameData(VALID_POSE_MATRIX, [{
eye:"left",
projectionMatrix: VALID_PROJECTION_MATRIX,
viewMatrix: VALID_VIEW_MATRIX
}, {
eye:"right",
projectionMatrix: VALID_PROJECTION_MATRIX,
viewMatrix: VALID_VIEW_MATRIX
}]);
return Promise.all([
session.requestReferenceSpace({ type: "stationary", subtype: "eye-level" }),
session.requestReferenceSpace({ type: "stationary", subtype: "eye-level" })
]).then((spaces) => new Promise((resolve) => {
function onFrame(time, xrFrame) {
const radians = Math.PI / 2.0; // 90 degrees
// Both eye-level spaces start out with originOffset = identity matrix.
let space1 = spaces[0];
let space2 = spaces[1];
// Rotate 90 degrees about x axis, then move 1 meter along y axis.
space1.originOffset = new XRRigidTransform(
DOMPointReadOnly.fromPoint({
x : 0,
y : 1,
z : 0,
w : 0
}),
DOMPointReadOnly.fromPoint({
x : Math.sin(radians / 2),
y : 0,
z : 0,
w : Math.cos(radians / 2)
})
);
// Rotate 90 degrees about z axis, then move 1 meter along x axis.
space2.originOffset = new XRRigidTransform(
DOMPointReadOnly.fromPoint({
x : 1,
y : 0,
z : 0,
w : 0
}),
DOMPointReadOnly.fromPoint({
x : 0,
y : 0,
z : Math.sin(radians / 2),
w : Math.cos(radians / 2)
})
);
let space1_from_space2 = xrFrame.getPose(space1, space2);
const EXPECTED_POSE_MATRIX = [
0, 0, -1, 0, // 1st column
-1, 0, 0, 0, // 2nd column
0, 1, 0, 0, // 3rd column
1, 0, 1, 1 // 4th column
];
assert_matrix_approx_equals(space1_from_space2.transform.matrix, EXPECTED_POSE_MATRIX, FLOAT_EPSILON);
// Finished test.
resolve();
}
session.requestAnimationFrame(onFrame);
}));
};
xr_session_promise_test(immersiveTestName, testFunction,
fakeDeviceInitParams, 'immersive-vr');
xr_session_promise_test(nonImmersiveTestName, testFunction,
fakeDeviceInitParams, 'inline');
</script>
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