76 lines
2.8 KiB
HTML
76 lines
2.8 KiB
HTML
<!DOCTYPE html>
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<script src="/resources/testharness.js"></script>
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<script src="/resources/testharnessreport.js"></script>
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<script src="resources/webxr_util.js"></script>
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<script src="resources/webxr_test_constants.js"></script>
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<script>
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let testName = "XRViewport attributes are valid";
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let fakeDeviceInitParams = TRACKED_IMMERSIVE_DEVICE;
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let testFunction = function(session, fakeDeviceController, t, sessionObjects) {
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return session.requestReferenceSpace('local')
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.then((referenceSpace) => new Promise((resolve) =>{
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let webglLayer = sessionObjects.glLayer;
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function onFrame(time, xrFrame) {
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t.step(() => {
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let pose = xrFrame.getViewerPose(referenceSpace);
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assert_not_equals(pose, null);
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assert_not_equals(pose.views, null);
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if (session.sessionInit['optionalFeatures'].includes('secondary-views')) {
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assert_equals(pose.views.length, 3);
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} else {
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assert_equals(pose.views.length, 2);
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}
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// Ensure the views report the expected viewports into the WebGL layer.
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for (let i = 0; i < pose.views.length; i++) {
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let view = pose.views[i];
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let viewport = webglLayer.getViewport(view);
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assert_not_equals(viewport, null);
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assert_true(viewport instanceof XRViewport);
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// Exact viewport values don't matter, but they must pass several tests:
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// Viewports have non-zero widths and heights.
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assert_greater_than(viewport.width, 0);
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assert_greater_than(viewport.height, 0);
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// Viewports are located within the framebuffer.
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assert_greater_than_equal(viewport.x, 0);
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assert_greater_than_equal(viewport.y, 0);
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assert_less_than_equal(
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viewport.x + viewport.width, webglLayer.framebufferWidth);
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assert_less_than_equal(
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viewport.y + viewport.height, webglLayer.framebufferHeight);
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// Assume that the viewports are ordered from left to right. This is
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// not a requirement by the WebXR spec, but is a sanity check since
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// this is how Blink orders them.
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if (i != 0) {
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let previousView = pose.views[i - 1];
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let previousViewport = webglLayer.getViewport(previousView);
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assert_less_than_equal(previousViewport.x + previousViewport.width, viewport.x);
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}
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}
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});
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resolve();
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}
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session.requestAnimationFrame(onFrame);
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}));
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};
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xr_session_promise_test(
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testName, testFunction, fakeDeviceInitParams, 'immersive-vr',
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{'optionalFeatures': []});
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xr_session_promise_test(
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testName + ' with secondary views requested', testFunction, fakeDeviceInitParams, 'immersive-vr',
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{'optionalFeatures': ['secondary-views']});
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</script>
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