Bug 204448

Summary:

Optimize dynamic media queries

Product:

WebKit

Reporter:

Antti Koivisto <koivisto>

Component:

CSS

Assignee:

Nobody <webkit-unassigned>

Status:

RESOLVED FIXED

Severity:

Normal

CC:

emilio, eric.carlson, esprehn+autocc, ews-watchlist, ggaren, glenn, gyuyoung.kim, jer.noble, macpherson, menard, philipj, sergio

Priority:

Keywords:

InRadar

Version:

WebKit Nightly Build

Hardware:

Unspecified

OS:

Unspecified

Bug Depends on:

204449, 205263, 205264, 205391, 205392, 205406

Bug Blocks:

Attachments:

Description	Flags
wip	none
wip	none

Description Antti Koivisto 2019-11-21 01:38:58 PST

All media queries currently force full style resolver rebuild when a query evaluation changes (for example viewport queries on window resizing or device rotation). This is very inefficient. We should treat media queries more like selectors, avoid rebuilds, and only perform the needed style recalcs.

Comment 1 Antti Koivisto 2019-11-21 07:35:05 PST

<rdar://problem/40768292>

Comment 2 Antti Koivisto 2019-12-13 05:42:33 PST

Created attachment 385595 [details]
wip

Comment 3 Antti Koivisto 2019-12-13 09:42:13 PST

Created attachment 385611 [details]
wip

Comment 4 Antti Koivisto 2019-12-20 08:52:08 PST

This is done.