Bug 133704
| Summary: | [Win] Port Mac Tiled Drawing Logic to Windows | ||
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| Product: | WebKit | Reporter: | Brent Fulgham <bfulgham> |
| Component: | Layout and Rendering | Assignee: | Brent Fulgham <bfulgham> |
| Status: | RESOLVED FIXED | ||
| Severity: | Normal | CC: | bfulgham, webkit.review.bot |
| Priority: | P2 | ||
| Version: | 528+ (Nightly build) | ||
| Hardware: | PC | ||
| OS: | All | ||
| Bug Depends on: | 133819, 133862, 133895 | ||
| Bug Blocks: | |||
Brent Fulgham
Certain markup can cause the Windows tiled drawing logic to waste resources laying out and rendering off-screen rectangle. This can be triggered if a DOM element has a style with a very large negative (e.g., -100,000) 'left' property.
Our Mac code is much smarter about this kind of thing, and excludes rects that are not visible.
We should do the same on Windows.
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| Add attachment proposed patch, testcase, etc. |
Brent Fulgham
This has been complete for some time.