Bug 155734

Summary:

[iOS WK2] Use larger tiles when possible to reduce per-tile painting overhead

Product:

WebKit

Reporter:

Simon Fraser (smfr) <simon.fraser>

Component:

New Bugs

Assignee:

Simon Fraser (smfr) <simon.fraser>

Status:

RESOLVED FIXED

Severity:

Normal

CC:

simon.fraser

Priority:

Keywords:

InRadar

Version:

WebKit Nightly Build

Hardware:

Unspecified

OS:

Unspecified

Attachments:

Description	Flags
Patch	thorton: review+

Simon Fraser (smfr)

Reported 2016-03-21 14:44:55 PDT

[iOS WK2] Use larger tiles when possible to reduce per-tile painting overhead

Attachments
Patch (17.93 KB, patch) 2016-03-21 14:54 PDT, Simon Fraser (smfr)	thorton: review+	Details Formatted Diff Diff
View All Add attachment proposed patch, testcase, etc.

Simon Fraser (smfr)

Comment 1 2016-03-21 14:54:04 PDT

Created attachment 274623 [details] Patch

Simon Fraser (smfr)

Comment 2 2016-03-21 14:55:32 PDT

rdar://problem/24968144

Tim Horton

Comment 3 2016-03-21 15:00:36 PDT

Comment on attachment 274623 [details] Patch View in context: https://bugs.webkit.org/attachment.cgi?id=274623&action=review > Source/WebCore/platform/graphics/ca/TileController.cpp:367 > - double horizontalMargin = tileSize().width() / contentsScale; > - double verticalMargin = tileSize().height() / contentsScale; > + double horizontalMargin = kDefaultTileSize / contentsScale; > + double verticalMargin = kDefaultTileSize / contentsScale; Is this tested?

Simon Fraser (smfr)

Comment 4 2016-03-21 15:26:13 PDT

Yes, the overdraw should be tested. https://trac.webkit.org/r198502

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