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Update webxr timestamp test to not compare against window.rAF()

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The exact desired behavior is unclear, see https://github.com/immersive-web/webxr/issues/943 and https://github.com/immersive-web/webxr/issues/225
This commit is contained in:
Manish Goregaokar 2019-12-11 16:17:30 -08:00
parent e27687497b
commit 0bace66f70
3 changed files with 21 additions and 32 deletions
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2
tests/wpt/metadata/MANIFEST.json
View file

@ -727627,7 +727627,7 @@
"testharness"
],
"webxr/xrSession_requestAnimationFrame_timestamp.https.html": [
"2796be9987b5f23e92d5f114fdaa972a5323a37c",
"8f5c21cba4015da10b9031f1cf100138e958c46e",
"testharness"
],
"webxr/xrSession_requestReferenceSpace.https.html": [

8
tests/wpt/metadata/webxr/xrSession_requestAnimationFrame_timestamp.https.html.ini
View file

@ -1,8 +0,0 @@
[xrSession_requestAnimationFrame_timestamp.https.html]
expected: TIMEOUT
[XRFrame getViewerPose updates on the next frame for immersive]
expected: FAIL
[XRFrame getViewerPose updates on the next frame for non-immersive]
expected: TIMEOUT

43
tests/wpt/web-platform-tests/webxr/xrSession_requestAnimationFrame_timestamp.https.html
View file

@ -20,25 +20,23 @@ let testFunction = function(session, fakeDeviceController, t) {
let counter = 0;
let windowFrameTime = 0;
let frameTime = 0;
let lastFrameTime = 0;
let firstFrame = true;
function onFrameFirst(time, xrFrame) {
lastFrameTime = frameTime;
frameTime = time;
firstFrame = false;
let now = performance.now();
t.step( () => {
// This callback must be the first one called.
assert_equals(counter, 0);
// window.requestAnimationFrame and session.requestAnimationFrame
// should be providing timestamps that are on the same scale and
// within a resonable margin of error of eachother. This means that
// this frame's timestamp should be larger than one provided to a
// previous window.requestAnimationFrame and should also be within
// a sane delta of it. One minute is probably overly generous here,
// but it will at least catch cases where the times are reported with
// entirely different bases.
assert_greater_than(frameTime, windowFrameTime);
assert_approx_equals(frameTime, windowFrameTime, ONE_MINUTE);
if (!firstFrame) {
assert_greater_than(frameTime, lastFrameTime);
assert_approx_equals(frameTime, lastFrameTime, TEN_SECONDS);
}
// There's going to be some disparity between performance.now() and
// the timestamp passed into the callback, but it shouldn't be huge.
@ -47,6 +45,12 @@ let testFunction = function(session, fakeDeviceController, t) {
assert_approx_equals(frameTime, now, TEN_SECONDS);
});
if (firstFrame) {
session.requestAnimationFrame(onFrameFirst);
} else {
resolve();
}
counter++;
}
@ -65,21 +69,14 @@ let testFunction = function(session, fakeDeviceController, t) {
// Make sure all the previous callbacks fired as expected.
assert_equals(counter, 11);
});
// Finished.
resolve();
}
window.requestAnimationFrame((time) => {
windowFrameTime = time;
// Queue up several callbacks
session.requestAnimationFrame(onFrameFirst);
for (let i = 0; i < 10; ++i) {
session.requestAnimationFrame(onFrameSubsequent);
}
session.requestAnimationFrame(onFrameLast);
});
session.requestAnimationFrame(onFrameFirst);
// Queue up several callbacks
for (let i = 0; i < 10; ++i) {
session.requestAnimationFrame(onFrameSubsequent);
}
session.requestAnimationFrame(onFrameLast);
}));
};