Bug 78976

Summary:

[mac] BackingStore::scroll() unnecessarily copies pixels around

Product:

WebKit

Reporter:

mitz

Component:

WebKit2

Assignee:

mitz

Status:

RESOLVED FIXED

Severity:

Normal

CC:

andersca

Priority:

Keywords:

InRadar

Version:

528+ (Nightly build)

Hardware:

Mac

OS:

Unspecified

Attachments:

Description	Flags
Maintain a mapping from backing store coordinates to client coordinates in the most recently scrolled rect	none
Maintain a mapping from backing store coordinates to client coordinates in the most recently scrolled rect	andersca: review+

mitz

Reported 2012-02-18 14:49:14 PST

BackingStore::scroll() unnecessarily copies pixels around

Attachments
Maintain a mapping from backing store coordinates to client coordinates in the most recently scrolled rect (10.13 KB, patch) 2012-02-18 15:04 PST, mitz	no flags	Details Formatted Diff Diff
Maintain a mapping from backing store coordinates to client coordinates in the most recently scrolled rect (10.18 KB, patch) 2012-02-18 16:29 PST, mitz	andersca: review+	Details Formatted Diff Diff
Show Obsolete (1) View All Add attachment proposed patch, testcase, etc.

mitz

Comment 1 2012-02-18 14:50:43 PST

<rdar://problem/10891801>

mitz

Comment 2 2012-02-18 15:04:39 PST

Created attachment 127716 [details] Maintain a mapping from backing store coordinates to client coordinates in the most recently scrolled rect

mitz

Comment 3 2012-02-18 16:29:28 PST

Created attachment 127720 [details] Maintain a mapping from backing store coordinates to client coordinates in the most recently scrolled rect

Anders Carlsson

Comment 4 2012-02-18 19:47:08 PST

Comment on attachment 127720 [details] Maintain a mapping from backing store coordinates to client coordinates in the most recently scrolled rect View in context: https://bugs.webkit.org/attachment.cgi?id=127720&action=review > Source/WebKit2/UIProcess/BackingStore.h:99 > + // Contents of m_scrolledRect are offset by this amount (and wrapped around) with respect to Please add an extra newline before this comment.

mitz

Comment 5 2012-02-18 19:54:24 PST

Fixed in <http://trac.webkit.org/r108181>.

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