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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 = "XRView projection matrices update near and far depths on the "
+ "next frame";
const fakeViews = [{
eye:"left",
viewOffset: LEFT_OFFSET,
resolution: VALID_RESOLUTION,
fieldOfView: VALID_FIELD_OF_VIEW,
// The webxr-test-api requires that we still set this for now, but it is
// supposed to be ignored.
projectionMatrix: IDENTITY_MATRIX
}, {
eye:"right",
viewOffset: RIGHT_OFFSET,
resolution: VALID_RESOLUTION,
fieldOfView: VALID_FIELD_OF_VIEW,
// The webxr-test-api requires that we still set this for now, but it is
// supposed to be ignored.
projectionMatrix: IDENTITY_MATRIX
},
];
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('local')
.then((referenceSpace) => new Promise((resolve) =>{
let counter = 0;
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);
if (counter == 0) {
session.requestAnimationFrame(onFrame);
assert_matrix_approx_equals(pose.views[0].projectionMatrix, VALID_PROJECTION_MATRIX);
assert_matrix_approx_equals(pose.views[1].projectionMatrix, VALID_PROJECTION_MATRIX);
// Update the near and far depths for the session.
session.updateRenderState({
depthNear: 1.0,
depthFar: 10.0 });
// The projection matrices the views report should not take into
// account the new session depth values this frame.
assert_matrix_approx_equals(pose.views[0].projectionMatrix, VALID_PROJECTION_MATRIX);
assert_matrix_approx_equals(pose.views[1].projectionMatrix, VALID_PROJECTION_MATRIX);
} else {
// New depth values should be retained between frames.
assert_equals(session.renderState.depthNear, 1.0);
assert_equals(session.renderState.depthFar, 10.0);
// Projection matricies should now reflect the new depth values, i.e.
// have changed.
assert_matrix_significantly_not_equals(pose.views[0].projectionMatrix, VALID_PROJECTION_MATRIX);
assert_matrix_significantly_not_equals(pose.views[1].projectionMatrix, VALID_PROJECTION_MATRIX);
resolve();
}
counter++;
}
session.requestAnimationFrame(t.step_func(onFrame));
}));
};
xr_session_promise_test(
testName, testFunction, fakeDeviceInitParams, 'immersive-vr');
</script>
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