197565 2019-05-03 09:39:20 -0700 Don't use inclusive layers with more complex compositing scenarios 2019-05-03 13:49:31 -0700 1 1 1 Unclassified WebKit Compositing WebKit Nightly Build Unspecified Unspecified NEW P2 Normal --- 197561 1 simon.fraser webkit-unassigned simon.fraser oldest_to_newest 1532807 0 simon.fraser 2019-05-03 09:39:20 -0700 Need to make sure we don't use inclusive layers (or that we do and they behave correctly) when things like negative z-order layers trigger foreground layers, or when we have masking etc. 1532940 1 368979 simon.fraser 2019-05-03 13:49:31 -0700 Created attachment 368979 Example with z-index: -1 368979 2019-05-03 13:49:31 -0700 2019-05-03 13:49:31 -0700 Example with z-index: -1 relative-in-scroller-in-hidden-with-sibling.html text/html 1597 simon.fraser PCFET0NUWVBFIGh0bWw+CjxodG1sPgo8aGVhZD4KICAgIDxtZXRhIG5hbWU9InZpZXdwb3J0IiBj b250ZW50PSJ3aWR0aD1kZXZpY2Utd2lkdGgsIGluaXRpYWwtc2NhbGU9MSwgc2hyaW5rLXRvLWZp dD1ubyI+CiAgICA8c3R5bGU+CiAgICAgICAgLmNhcm91c2VsIHsKICAgICAgICAgICAgd2lkdGg6 IDUwMHB4OwogICAgICAgICAgICBoZWlnaHQ6IDMwMHB4OwogICAgICAgICAgICBib3JkZXI6IDFw eCBzb2xpZCBibGFjazsKICAgICAgICAgICAgbWFyZ2luOiAyMHB4OwogICAgICAgICAgICBvdmVy Zmxvdy15OiBoaWRkZW47CiAgICAgICAgICAgIHBhZGRpbmc6IDEwcHg7CiAgICAgICAgfQogICAg ICAgIAogICAgICAgIC5zY3JvbGxlciB7CiAgICAgICAgICAgIG92ZXJmbG93LXg6IGF1dG87CiAg ICAgICAgICAgIHdpZHRoOiAxMDAlOwogICAgICAgICAgICBoZWlnaHQ6IDEwMCU7CiAgICAgICAg ICAgIGJvcmRlcjogMTJweCBzb2xpZCBncmVlbjsKICAgICAgICAgICAgYm94LXNpemluZzogYm9y ZGVyLWJveDsKICAgICAgICB9CiAgICAgICAgCiAgICAgICAgLmNsaXBwaW5nIHsKICAgICAgICAg ICAgb3ZlcmZsb3c6IGhpZGRlbjsKICAgICAgICAgICAgd2lkdGg6IDIwMHB4OwogICAgICAgICAg ICBib3JkZXI6IDJweCBzb2xpZCBibGFjazsKICAgICAgICAgICAgbWFyZ2luOiA1MHB4IDEwcHg7 CiAgICAgICAgfQogICAgICAgIAogICAgICAgIC5yZWxhdGl2ZSB7CiAgICAgICAgICAgIHBvc2l0 aW9uOiByZWxhdGl2ZTsKICAgICAgICAgICAgcGFkZGluZzogMTBweDsKICAgICAgICAgICAgbWFy Z2luOiAyMHB4OwogICAgICAgICAgICBib3JkZXI6IDJweCBzb2xpZCBibHVlOwogICAgICAgICAg ICBiYWNrZ3JvdW5kLWNvbG9yOiBvcmFuZ2U7CiAgICAgICAgICAgIHotaW5kZXg6IC0xOwogICAg ICAgIH0KICAgICAgICAKICAgICAgICAuYWJzb2x1dGUgewogICAgICAgICAgICBwb3NpdGlvbjog YWJzb2x1dGU7CiAgICAgICAgICAgIHRvcDogMTAwcHg7CiAgICAgICAgICAgIGxlZnQ6IDIwMHB4 OwogICAgICAgICAgICBtYXJnaW46IDEwcHg7CiAgICAgICAgICAgIHdpZHRoOiAxMDBweDsKICAg ICAgICAgICAgaGVpZ2h0OiAxMDBweDsKICAgICAgICAgICAgYmFja2dyb3VuZC1jb2xvcjogYmx1 ZTsKICAgICAgICAgICAgYm94LXNoYWRvdzogMCAwIDEwcHggYmxhY2s7CiAgICAgICAgfQogICAg ICAgIAogICAgICAgIAogICAgICAgIC5zcGFjZXIgewogICAgICAgICAgICBoZWlnaHQ6IDMwMHB4 OwogICAgICAgIH0KICAgIDwvc3R5bGU+CjwvaGVhZD4KPGJvZHk+CiAgICA8cD5Zb3Ugc2hvdWxk IHNlZSB0aGUgb3JhbmdlIGJveDwvcD4KICAgIDxkaXYgY2xhc3M9ImNhcm91c2VsIj4KICAgICAg ICA8ZGl2IGNsYXNzPSJzY3JvbGxlciI+CiAgICAgICAgICAgIDxkaXYgY2xhc3M9InJlbGF0aXZl Ij4KICAgICAgICAgICAgICAgIFNvbWUgdGV4dCBoZXJlCiAgICAgICAgICAgIDwvZGl2PgogICAg ICAgICAgICA8ZGl2IGNsYXNzPSJzcGFjZXIiPjwvZGl2PgogICAgICAgIDwvZGl2PgogICAgPC9k aXY+CiAgICA8ZGl2IGNsYXNzPSJhYnNvbHV0ZSI+CiAgICA8L2Rpdj4KPC9ib2R5Pgo8L2h0bWw+ Cg==