| <!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> |
| <canvas /> |
| |
| <script> |
| xr_promise_test("Ensure that XRWebGLLayer's constructor throws appropriate errors", |
| (t) => { |
| let webglCanvas = document.getElementsByTagName('canvas')[0]; |
| let glAttributes = { |
| alpha: false, |
| antialias: false, |
| xrCompatible: false, |
| }; |
| let gl = webglCanvas.getContext('webgl', glAttributes); |
| return navigator.xr.test.simulateDeviceConnection(TRACKED_IMMERSIVE_DEVICE) |
| .then(() => { |
| return navigator.xr.requestSession('inline') |
| .then((session) => { |
| try { |
| let webglLayerIncompatible = new XRWebGLLayer(session, gl); |
| } catch (err) { |
| assert_unreached("Inline XRWebGLLayers should not fail when created with a context that is not XRCompatible"); |
| } |
| }); |
| }) |
| .then(() => { |
| return new Promise((resolve) => { |
| navigator.xr.test.simulateUserActivation(() => { |
| let xrSession = null; |
| navigator.xr.requestSession('immersive-vr') |
| .then((session) => { |
| xrSession = session; |
| t.step_func(() => { |
| try { |
| let webglLayerIncompatible = new XRWebGLLayer(xrSession, gl); |
| assert_unreached("XRWebGLLayer should fail when created with a context that is not XRCompatible") |
| } catch (err) { |
| assert_equals(err.name, "InvalidStateError"); |
| } |
| }) |
| |
| return gl.makeXRCompatible(); |
| }).then(() => { |
| try { |
| let webglLayerGood = new XRWebGLLayer(xrSession, gl); |
| } catch (err) { |
| reject("XRWebGLLayer should not fail with valid arguments"); |
| } |
| |
| let lose_context_ext = gl.getExtension('WEBGL_lose_context'); |
| |
| webglCanvas.addEventListener('webglcontextlost', (ev) => { |
| ev.preventDefault(); |
| |
| try { |
| let webglLayerBadContext = new XRWebGLLayer(xrSession, gl); |
| reject("XRWebGLLayer should fail when created with a lost context"); |
| } catch (err) { |
| assert_equals(err.name, 'InvalidStateError'); |
| t.step_timeout(() => { lose_context_ext.restoreContext(); }, 100); |
| } |
| }); |
| |
| webglCanvas.addEventListener('webglcontextrestored', (ev) => { |
| resolve(xrSession.end().then(() => { |
| try { |
| let webglLayerBadSession = new XRWebGLLayer(xrSession, gl); |
| assert_unreached("XRWebGLLayer should fail when created with an ended session"); |
| } catch (err) { |
| assert_equals(err.name, 'InvalidStateError'); |
| } |
| })); |
| }); |
| |
| lose_context_ext.loseContext(); |
| }); |
| }); |
| }); |
| }); |
| }); |
| |
| </script> |
