WebKit Bugzilla
Attachment 369560 Details for
Bug 197783
: Backing sharing should not happen for stacking-order descendants of already-sharing layers
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Testcase (shows incorrect opacity rendering)
no-sharing-of-paint-nested-layers.html (text/html), 936 bytes, created by
Simon Fraser (smfr)
on 2019-05-10 10:15:16 PDT
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Description:
Testcase (shows incorrect opacity rendering)
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MIME Type:
Creator:
Simon Fraser (smfr)
Created:
2019-05-10 10:15:16 PDT
Size:
936 bytes
patch
obsolete
><!DOCTYPE html> <!-- webkit-test-runner [ internal:AsyncOverflowScrollingEnabled=true ] --> ><html> ><head> > <title>Tests painting of a transformed layer into shared backing</title> > <style> > .scrollable { > overflow-y: scroll; > height: 300px; > width: 300px; > margin: 10px; > border: 1px solid black; > } > > .sharing { > position: relative; > top: 30px; > left: 30px; > width: 200px; > height: 200px; > background-color: green; > } > > .spacer { > height: 500px; > } > > .outer { > opacity: 0.5; > } > </style> ></head> ><body> > <div class="scrollable"> > <div class="outer sharing"> > <div class="sharing"> > > </div> > </div> > <div class="spacer"></div> > </div> ></body> ></html>
<!DOCTYPE html> <!-- webkit-test-runner [ internal:AsyncOverflowScrollingEnabled=true ] --> <html> <head> <title>Tests painting of a transformed layer into shared backing</title> <style> .scrollable { overflow-y: scroll; height: 300px; width: 300px; margin: 10px; border: 1px solid black; } .sharing { position: relative; top: 30px; left: 30px; width: 200px; height: 200px; background-color: green; } .spacer { height: 500px; } .outer { opacity: 0.5; } </style> </head> <body> <div class="scrollable"> <div class="outer sharing"> <div class="sharing"> </div> </div> <div class="spacer"></div> </div> </body> </html>
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bug 197783
: 369560