136396 2014-08-29 16:53:53 -0700 A masked, visibility:hidden element with hidden descendants fails to mask descendants 2014-09-01 06:10:57 -0700 1 1 1 Unclassified WebKit Layout and Rendering 528+ (Nightly build) Unspecified Unspecified NEW P2 Normal --- 1 simon.fraser webkit-unassigned krit oldest_to_newest 1032292 0 237390 simon.fraser 2014-08-29 16:53:53 -0700 Created attachment 237390 Testcase An element with a mask and visibility:hidden, but a visibility:visible descendant, will fail to render that descendant with the mask, and it probably should. 1032477 1 krit 2014-09-01 06:10:57 -0700 It indeed is in Firefox. Open the following example in Firefox. You'll see a green circle: http://codepen.io/anon/pen/pujGC 237390 2014-08-29 16:53:53 -0700 2014-08-29 16:53:53 -0700 Testcase masked-child-no-backing.html text/html 1749 simon.fraser PCFET0NUWVBFIGh0bWw+Cgo8aHRtbD4KPGhlYWQ+CiAgICA8c3R5bGU+CiAgICAgICAgLmNvbnRh aW5lciB7CiAgICAgICAgICAgIHBvc2l0aW9uOiByZWxhdGl2ZTsKICAgICAgICAgICAgaGVpZ2h0 OiAyMDBweDsKICAgICAgICAgICAgd2lkdGg6IDIwMHB4OwogICAgICAgICAgICBtYXJnaW46IDEw cHg7CiAgICAgICAgfQogICAgICAgIAogICAgICAgIC5jb21wb3NpdGVkIHsKICAgICAgICAgICAg YS13ZWJraXQtdHJhbnNmb3JtOiB0cmFuc2xhdGVaKDApOwogICAgICAgIH0KICAgICAgICAKICAg ICAgICAuY2hpbGQgewogICAgICAgICAgICBwb3NpdGlvbjogYWJzb2x1dGU7CiAgICAgICAgICAg IGhlaWdodDogMTAwJTsKICAgICAgICAgICAgd2lkdGg6IDEwMCU7CiAgICAgICAgICAgIGJhY2tn cm91bmQtY29sb3I6IGJsdWU7CiAgICAgICAgfQogICAgICAgIAogICAgICAgIC5tYXNrZWQgewog ICAgICAgICAgICAtd2Via2l0LW1hc2s6IGxpbmVhci1ncmFkaWVudChyZ2JhKDAsIDAsIDAsIDAu MiksIHJnYmEoMCwgMCwgMCwgMC4zKSk7CiAgICAgICAgfQogICAgICAgIAogICAgICAgIC5ncmFu ZGNoaWxkIHsKICAgICAgICAgICAgcG9zaXRpb246IGFic29sdXRlOwogICAgICAgICAgICB0b3A6 IDEwcHg7CiAgICAgICAgICAgIGxlZnQ6IDEwcHg7CiAgICAgICAgICAgIHdpZHRoOiAxNTBweDsK ICAgICAgICAgICAgaGVpZ2h0OiAxNTBweDsKICAgICAgICAgICAgYmFja2dyb3VuZC1jb2xvcjog c2lsdmVyOwogICAgICAgICAgICBib3JkZXI6IDFweCBzb2xpZCBibGFjazsKICAgICAgICAgICAg dmlzaWJpbGl0eTogdmlzaWJsZTsKICAgICAgICB9CiAgICA8L3N0eWxlPgogICAgPHNjcmlwdD4K ICAgICAgICBpZiAod2luZG93LnRlc3RSdW5uZXIpCiAgICAgICAgICAgIHRlc3RSdW5uZXIuZHVt cEFzVGV4dCgpOwoKICAgICAgICBmdW5jdGlvbiBkdW1wTGF5ZXJzKCkKICAgICAgICB7CiAgICAg ICAgICAgIHZhciBsYXllcnNSZXN1bHQgPSBkb2N1bWVudC5nZXRFbGVtZW50QnlJZCgnbGF5ZXJz Jyk7CiAgICAgICAgICAgIGlmICh3aW5kb3cudGVzdFJ1bm5lcikKICAgICAgICAgICAgICAgIGxh eWVyc1Jlc3VsdC5pbm5lclRleHQgPSB3aW5kb3cuaW50ZXJuYWxzLmxheWVyVHJlZUFzVGV4dChk b2N1bWVudCk7CiAgICAgICAgfQoKICAgICAgICB3aW5kb3cuYWRkRXZlbnRMaXN0ZW5lcignbG9h ZCcsIGR1bXBMYXllcnMsIGZhbHNlKQogICAgPC9zY3JpcHQ+CjwvaGVhZD4KPGJvZHk+CiAgICA8 IS0tIGRpdiBjbGFzcz0iY29tcG9zaXRlZCBjb250YWluZXIiPgogICAgICAgIDxpbWcgY2xhc3M9 ImNoaWxkIiBzcmM9Ii4uL3Jlc291cmNlcy9hcHBsZS5qcGciPgogICAgPC9kaXYtLT4KCiAgICA8 ZGl2IGNsYXNzPSJjb21wb3NpdGVkIGNvbnRhaW5lciI+PGltZyBjbGFzcz0iY2hpbGQiIHNyYz0i Li4vcmVzb3VyY2VzL2FwcGxlLmpwZyIgc3R5bGU9InZpc2liaWxpdHk6aGlkZGVuIj48ZGl2IGNs YXNzPSJjb21wb3NpdGVkIGdyYW5kY2hpbGQiPjwvZGl2PjwvZGl2PgoKICAgIDxkaXYgY2xhc3M9 ImNvbXBvc2l0ZWQgY29udGFpbmVyIj5hPGRpdiBjbGFzcz0ibWFza2VkIGNoaWxkIiBzdHlsZT0i dmlzaWJpbGl0eTpoaWRkZW4iPmE8ZGl2IGNsYXNzPSJjb21wb3NpdGVkIGdyYW5kY2hpbGQiPmFh c2RmYXNmZHNhPC9kaXY+PC9kaXY+PC9kaXY+Cgo8cHJlIGlkPSJsYXllcnMiPkxheWVyIHRyZWUg Z29lcyBoZXJlIGluIERSVDwvcHJlPgo8L2JvZHk+CjwvaHRtbD4K