RESOLVED FIXED 223459
Don't spend time painting transparent cell backgrounds 
https://bugs.webkit.org/show_bug.cgi?id=223459
Summary Don't spend time painting transparent cell backgrounds
Simon Fraser (smfr)
Reported 2021-03-18 11:29:49 PDT
Don't spend time painting transparent cell backgrounds
Attachments
Patch (3.95 KB, patch)
2021-03-18 11:31 PDT, Simon Fraser (smfr) 		darin: review+
DetailsFormatted DiffDiff
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Simon Fraser (smfr)
Comment 1 2021-03-18 11:31:03 PDT
Created attachment 423622 [details] Patch
Darin Adler
Comment 2 2021-03-18 15:26:33 PDT
Comment on attachment 423622 [details] Patch View in context: https://bugs.webkit.org/attachment.cgi?id=423622&action=review > Source/WebCore/rendering/RenderTableCell.cpp:1287 > + if (!bgLayer.hasImage() && (!color.isValid() || !color.isVisible())) Typically we don’t also have to check isValid if we are checking isVisible, since the invalid color is also transparent block, and so guaranteed to be invisible.
Darin Adler
Comment 3 2021-03-18 15:27:07 PDT
Comment on attachment 423622 [details] Patch View in context: https://bugs.webkit.org/attachment.cgi?id=423622&action=review >> Source/WebCore/rendering/RenderTableCell.cpp:1287 >> + if (!bgLayer.hasImage() && (!color.isValid() || !color.isVisible())) > > Typically we don’t also have to check isValid if we are checking isVisible, since the invalid color is also transparent block, and so guaranteed to be invisible. transparent black
Simon Fraser (smfr)
Comment 4 2021-03-18 16:22:37 PDT
https://trac.webkit.org/changeset/274682/webkit
Radar WebKit Bug Importer
Comment 5 2021-03-18 16:23:33 PDT
<rdar://problem/75596249>
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