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<!DOCTYPE html>
<meta charset=utf-8>
<title>WebXR Depth Sensing Test: XRDepthInformation.data buffer with matchDepthView and offset depth data (CPU)</title>
<link rel="help" href="https://immersive-web.github.io/depth-sensing/">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="/webxr/resources/webxr_util.js"></script>
<script src="/webxr/resources/webxr_test_constants.js"></script>
<script src="/webxr/resources/webxr_test_constants_fake_depth.js"></script>
<script src="/webxr/resources/webxr_test_asserts.js"></script>
<canvas id="webgl-canvas"></canvas>
<script>
const offsetMatchDepthViewDataTestGenerator = function(matchDepthView) {
return function(session, controller, t, sessionObjects) {
return session.requestReferenceSpace('viewer').then((viewerSpace) => new Promise((resolve, reject) => {
const rafCb = function(time, frame) {
const pose = frame.getViewerPose(viewerSpace);
for (const view of pose.views) {
const depthInformation = frame.getDepthInformation(view);
t.step(() => {
assert_not_equals(depthInformation, null, "Depth information should not be null.");
assert_not_equals(depthInformation.data, null, "Depth information data ArrayBuffer should not be null.");
// OFFSET_DEPTH_SENSING_DATA.depthData is a Uint8Array.
// We need its underlying ArrayBuffer for comparison with depthInformation.data.
const rawDeviceDepthArrayBuffer = OFFSET_DEPTH_SENSING_DATA.depthData.buffer;
const pageVisibleDepthArrayBuffer = depthInformation.data;
if (matchDepthView) {
// When matchDepthView is true, depth data should be reprojected to the XRView.
// This reprojected data must be different from the raw device data.
assert_array_buffer_not_equals(
pageVisibleDepthArrayBuffer,
rawDeviceDepthArrayBuffer,
"Page depth data ArrayBuffer SHOULD NOT match raw device depth data ArrayBuffer when matchDepthView is true.");
} else {
// When matchDepthView is false, depth data should be the raw device data,
// without reprojection to the XRView.
assert_array_buffer_equals(
pageVisibleDepthArrayBuffer,
rawDeviceDepthArrayBuffer,
"Page depth data ArrayBuffer SHOULD match raw device depth data ArrayBuffer when matchDepthView is false.");
}
});
}
resolve();
};
session.requestAnimationFrame(rafCb);
}));
};
};
const fakeDeviceInitParams = {
supportedModes: ["immersive-ar"],
views: VALID_VIEWS,
supportedFeatures: ALL_FEATURES,
depthSensingData: OFFSET_DEPTH_SENSING_DATA,
};
xr_session_promise_test(
`XRDepthInformation.data matches raw device data when matchDepthView is false with offset depth (CPU)`,
offsetMatchDepthViewDataTestGenerator(/*matchDepthView=*/false),
fakeDeviceInitParams,
'immersive-ar',
{
requiredFeatures: ['depth-sensing'],
depthSensing: {
usagePreference: ['cpu-optimized'],
dataFormatPreference: [OFFSET_DEPTH_SENSING_DATA.depthFormat],
matchDepthView: false
}
});
xr_session_promise_test(
`XRDepthInformation.data does NOT match raw device data when matchDepthView is true with offset depth (CPU)`,
offsetMatchDepthViewDataTestGenerator(/*matchDepthView=*/true),
fakeDeviceInitParams,
'immersive-ar',
{
requiredFeatures: ['depth-sensing'],
depthSensing: {
usagePreference: ['cpu-optimized'],
dataFormatPreference: [OFFSET_DEPTH_SENSING_DATA.depthFormat],
matchDepthView: true
}
}
);
</script>
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