| <!DOCTYPE html> |
| <script src="../resources/testharness.js"></script> |
| <script src="../resources/testharnessreport.js"></script> |
| <script src="file:///gen/layout_test_data/mojo/public/js/mojo_bindings.js"></script> |
| <script src="file:///gen/device/vr/public/mojom/vr_service.mojom.js"></script> |
| <script src="../xr/resources/xr-device-mocking.js"></script> |
| <script src="../xr/resources/xr-test-utils.js"></script> |
| <canvas id="webgl-canvas"></canvas> |
| |
| <script> |
| let fakeDevices = fakeXRDevices(); |
| |
| xr_session_promise_test( (session) => new Promise((resolve, reject) => { |
| // Session must have a baseLayer or frame requests will be ignored. |
| session.baseLayer = new XRWebGLLayer(session, gl); |
| |
| function onFrameBad(time, vrFrame) { |
| reject("Unregistered callback was called"); |
| } |
| |
| let counter = 0; |
| let handle2 = 0; |
| function onFrameGood(time, vrFrame) { |
| counter++; |
| if (counter >= 4) { |
| resolve(); |
| // Intentionally don't return immediately so that session.requestAnimationFrame |
| // gets called again to make sure it doesn't cause unexpected behavior |
| // like in crbug.com/679401 |
| } |
| session.requestAnimationFrame(onFrameGood); |
| |
| if (handle2 != 0) { |
| // The first time we enter this callback the callback associated with |
| // handle2 will have already been queued to execute immediately after |
| // this callback returns. Ensure that cancelAnimationFrame works even in that |
| // scenario. |
| session.cancelAnimationFrame(handle2); |
| handle2 = 0; |
| } |
| } |
| |
| let handle = session.requestAnimationFrame(onFrameBad); |
| session.cancelAnimationFrame(handle); |
| session.requestAnimationFrame(onFrameGood); |
| handle2 = session.requestAnimationFrame(onFrameBad); |
| }), fakeDevices["FakeGooglePixelPhone"], [ |
| { exclusive: true }, |
| { outputContext: getOutputContext() } |
| ], |
| "XRSession requestAnimationFrame callbacks can be unregistered with cancelAnimationFrame"); |
| |
| </script> |
