| <!doctype html> |
| <!-- |
| Tests that it is always possible to create an inline session and access the |
| identity reference space |
| --> |
| <html> |
| <head> |
| <link rel="stylesheet" type="text/css" href="../resources/webxr_e2e.css"> |
| </head> |
| <body> |
| <script src="../../../../../../third_party/blink/web_tests/resources/testharness.js"></script> |
| <script src="../resources/webxr_e2e.js"></script> |
| <script> |
| let session = null; |
| let testFrames = 5; |
| let numFramesReceived = 0; |
| function onRequestAnimationFrame() { |
| if (session === null) { |
| assert_unreached("Session should not be null"); |
| } |
| |
| numFramesReceived++; |
| if (numFramesReceived < testFrames) { |
| session.requestAnimationFrame(onRequestAnimationFrame); |
| } else { |
| done(); |
| } |
| } |
| |
| // TODO (crbug.com/934912): Consider improving flow once methods are |
| // updated. |
| let step = "supportsInline"; |
| navigator.xr.supportsSession('inline') |
| .then(()=> { |
| step = "requestSession"; |
| return navigator.xr.requestSession('inline'); |
| }) |
| .then((xrSession) => { |
| session = xrSession; |
| |
| step = "requestReferenceSpace"; |
| return xrSession.requestReferenceSpace('viewer'); |
| }) |
| .then((referenceSpace) => { |
| assert_not_equals(referenceSpace, null); |
| step = "Request Animation Frames"; |
| |
| // Create an offscreen canvas and get its context |
| let offscreenCanvas = document.createElement('canvas'); |
| let gl = offscreenCanvas.getContext('webgl', { xrCompatible: true }); |
| if (!gl) { |
| throw 'Failed to get WebGL context'; |
| } |
| |
| let outputCanvas = document.createElement('canvas'); |
| session.updateRenderState({ |
| baseLayer: new XRWebGLLayer(session, gl), |
| outputContext: outputCanvas.getContext('xrpresent') |
| }); |
| session.requestAnimationFrame(onRequestAnimationFrame); |
| }) |
| .catch((err) => { |
| assert_unreached("Failed with " + err + " at step " + step); |
| }); |
| </script> |
| </body> |
| </html> |
