| <!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 = "VisibilityMaskChangeEvent properly fires with expected values"; |
| |
| let 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 |
| }, |
| ]; |
| |
| const leftMask = { |
| vertices: [ 0, 0, 0, 1, 1, 0, 1, 1 ], |
| indices: [0, 1, 2, 0, 2, 3] |
| }; |
| |
| const rightMask = { |
| vertices: [ 1, 1, 1, 2, 2, 1, 2, 2 ], |
| indices: [0, 2, 3, 0, 1, 2] |
| }; |
| |
| let fakeDeviceInitParams = { |
| supportsImmersive: true, |
| supportedModes: ["inline", "immersive-vr"], |
| views: fakeViews, |
| viewerOrigin: IDENTITY_TRANSFORM, |
| supportedFeatures: ALL_FEATURES |
| }; |
| |
| function assert_list_approx_equals(actual, expected, prefix) { |
| assert_equals(expected.length, actual.length, prefix + ": lengths not equal"); |
| for (let i = 0; i < expected.length; i++) { |
| assert_approx_equals(actual[i], expected[i], FLOAT_EPSILON, prefix + |
| ": mismatch in list at component: " + i + |
| ", expected=" + expected, " actual=" + actual); |
| } |
| } |
| |
| function validateMask(fakeView, mask) { |
| assert_equals(mask.eye, fakeView.eye); |
| assert_list_approx_equals(mask.vertices, fakeView.visibilityMask.vertices, fakeView.eye); |
| assert_list_approx_equals(mask.indices, fakeView.visibilityMask.indices, fakeView.eye); |
| } |
| |
| let testFunction = function(session, fakeDeviceController, t) { |
| let eventWatcher = new EventWatcher(t, session, ["watcherdone"]); |
| let visibilityMaskEvents = 0; |
| session.addEventListener('visibilitymaskchange', (mask)=> { |
| visibilityMaskEvents++; |
| t.step(() => { |
| assert_equals(mask.session, session); |
| assert_less_than(mask.index, fakeViews.length, "Received an unexpected view"); |
| validateMask(fakeViews[mask.index], mask); |
| |
| |
| if (visibilityMaskEvents >= 2) { |
| session.dispatchEvent(new Event("watcherdone")) |
| } |
| }); |
| }); |
| |
| // We *could* set the visibilityMasks on the views by default; but UAs do not |
| // HAVE to, but MAY send events during the session resolution. By setting this |
| // after the session is resolved and the event is subscribed, we ensure we |
| // don't miss the event due to UA allowable differences. |
| fakeViews[0].visibilityMask = leftMask; |
| fakeViews[1].visibilityMask = rightMask; |
| fakeDeviceController.setViews(fakeViews); |
| |
| // We don't need to do anything on the next animation frame, the act of |
| // requesting it after we update the views should be enough to trigger our |
| // events. |
| session.requestAnimationFrame(()=>{}); |
| return eventWatcher.wait_for(["watcherdone"]); |
| }; |
| |
| xr_session_promise_test( |
| testName, testFunction, fakeDeviceInitParams, 'immersive-vr'); |
| |
| </script> |
