| <!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> |
| let testName = "inlineVerticalFieldOfView is set appropriately on inline sessions"; |
| |
| let fakeDeviceInitParams = VALID_NON_IMMERSIVE_DEVICE; |
| |
| // These are the min, max, and default from the WebXR Spec |
| let minFOV = 0.0; |
| let maxFOV = Math.PI; |
| let defaultFOV = Math.PI/2; |
| |
| function assertNotEquals(n1, n2, message) { |
| assert_greater_than(Math.abs(n1-n2), FLOAT_EPSILON, message); |
| } |
| |
| let testFunction = function(session, fakeDeviceController, t) { |
| // Helper method because the renderState does not (per the spec) get updated |
| // until the next rAF after it was updated, so this method returns a promise |
| // which will resolve when the updated state should be applied. |
| function updateAndApplyInlineFOV(fov) { |
| session.updateRenderState({ |
| inlineVerticalFieldOfView: fov |
| }); |
| |
| return new Promise((resolve, reject) => { |
| session.requestAnimationFrame(() => { resolve(); }); |
| }); |
| } |
| |
| // Helper method to keep the line length reasonable with a long attribute name |
| // and ensure that the nullable value actually has a value. |
| function getFOV() { |
| let fov = session.renderState.inlineVerticalFieldOfView; |
| t.step(() => { |
| assert_not_equals(fov, null); |
| }); |
| |
| return fov; |
| } |
| |
| return new Promise((resolve, reject) => { |
| // Begin by validating that the default is set as expected/specced. |
| t.step(() => { |
| assert_approx_equals(getFOV(), defaultFOV, FLOAT_EPSILON, "default"); |
| }); |
| |
| // Set something below min, and assert that it is not set below the min, |
| // and significantly different from the default. |
| updateAndApplyInlineFOV(-10).then(() => { |
| |
| t.step(() => { |
| let currentFOV = getFOV(); |
| assert_greater_than(currentFOV, minFOV, "FOV must be set to something greater than min"); |
| assert_less_than(currentFOV, maxFOV, "FOV must be set to something less than max"); |
| assertNotEquals(currentFOV, defaultFOV, "FOV should no longer be set to the default"); |
| }); |
| |
| // Set something above the max and assert that it is set to the max. |
| updateAndApplyInlineFOV(10).then(()=> { |
| t.step(()=> { |
| let currentFOV = getFOV(); |
| assert_greater_than(currentFOV, minFOV, "FOV must be set to something greater than min"); |
| assert_less_than(currentFOV, maxFOV, "FOV must be set to something less than max"); |
| assertNotEquals(currentFOV, defaultFOV, "FOV should not be set to the default"); |
| }); |
| |
| // Set to something reasonable and assert that the value gets set. |
| let normalFOV = 1.5; |
| updateAndApplyInlineFOV(normalFOV).then(() => { |
| t.step(() => { |
| assert_approx_equals(getFOV(), normalFOV, FLOAT_EPSILON, "FOV within min and max should get set"); |
| }); |
| |
| resolve(); |
| }); |
| }); |
| }); |
| }); |
| }; |
| |
| xr_session_promise_test( |
| testName, testFunction, fakeDeviceInitParams, 'inline'); |
| |
| </script> |