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92 lines
3.2 KiB
HTML
92 lines
3.2 KiB
HTML
<!DOCTYPE html>
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<script src="/resources/testharness.js"></script>
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<script src="/resources/testharnessreport.js"></script>
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<script src="resources/webxr_util.js"></script>
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<script src="resources/webxr_test_constants.js"></script>
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<canvas />
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<script>
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const TEN_SECONDS = 10000; // 10k ms in ten seconds
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const ONE_MINUTE = 60000; // 60k ms in one minute
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let immersiveTestName = "XRFrame getViewerPose updates on the next frame for immersive";
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let nonImmersiveTestName = "XRFrame getViewerPose updates on the next frame for non-immersive";
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let fakeDeviceInitParams = TRACKED_IMMERSIVE_DEVICE;
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let testFunction = function(session, fakeDeviceController, t) {
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return session.requestReferenceSpace('local')
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.then((referenceSpace) => new Promise((resolve, reject) => {
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let counter = 0;
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let windowFrameTime = 0;
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let frameTime = 0;
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function onFrameFirst(time, xrFrame) {
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frameTime = time;
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let now = performance.now();
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t.step( () => {
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// This callback must be the first one called.
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assert_equals(counter, 0);
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// window.requestAnimationFrame and session.requestAnimationFrame
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// should be providing timestamps that are on the same scale and
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// within a resonable margin of error of eachother. This means that
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// this frame's timestamp should be larger than one provided to a
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// previous window.requestAnimationFrame and should also be within
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// a sane delta of it. One minute is probably overly generous here,
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// but it will at least catch cases where the times are reported with
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// entirely different bases.
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assert_greater_than(frameTime, windowFrameTime);
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assert_approx_equals(frameTime, windowFrameTime, ONE_MINUTE);
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// There's going to be some disparity between performance.now() and
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// the timestamp passed into the callback, but it shouldn't be huge.
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// If they're more than ten seconds apart something has gone horribly
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// wrong.
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assert_approx_equals(frameTime, now, TEN_SECONDS);
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});
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counter++;
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}
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function onFrameSubsequent(time, xrFrame) {
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t.step( () => {
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// The timestamp passed to this callback should be exactly equal to
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// the one passed to the first callback in this set.
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assert_equals(time, frameTime);
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});
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counter++;
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}
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function onFrameLast(time, xrFrame) {
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t.step( () => {
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// Make sure all the previous callbacks fired as expected.
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assert_equals(counter, 11);
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});
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// Finished.
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resolve();
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}
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window.requestAnimationFrame((time) => {
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windowFrameTime = time;
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// Queue up several callbacks
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session.requestAnimationFrame(onFrameFirst);
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for (let i = 0; i < 10; ++i) {
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session.requestAnimationFrame(onFrameSubsequent);
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}
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session.requestAnimationFrame(onFrameLast);
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});
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}));
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};
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xr_session_promise_test(
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immersiveTestName, testFunction, fakeDeviceInitParams, 'immersive-vr');
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xr_session_promise_test(
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nonImmersiveTestName, testFunction, fakeDeviceInitParams, 'inline');
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</script>
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