Bug 273110
| Summary: | Avoid creating compositing scrolling layers for zero-sized scrollers | ||
|---|---|---|---|
| Product: | WebKit | Reporter: | Simon Fraser (smfr) <simon.fraser> |
| Component: | Compositing | Assignee: | Simon Fraser (smfr) <simon.fraser> |
| Status: | NEW | ||
| Severity: | Normal | CC: | simon.fraser, webkit-bug-importer |
| Priority: | P2 | Keywords: | InRadar |
| Version: | WebKit Nightly Build | ||
| Hardware: | Unspecified | ||
| OS: | Unspecified | ||
Simon Fraser (smfr)
Some types of generated web content may have large tables with `overflow:auto` table cells, but very narrow cells (less than 1px wide). This causes the creation of many composited overflow scrollers, which then results in the backing sharing code become very slow.
| Attachments | ||
|---|---|---|
| Add attachment proposed patch, testcase, etc. |
Simon Fraser (smfr)
<rdar://113980927>
Simon Fraser (smfr)
Pull request: https://github.com/WebKit/WebKit/pull/27616