Bug 261102

Summary:	[TextureMapper] Use linear sampling when blurring for better performance
Product:	WebKit	Reporter:	Akihiro Kiuchi <aki.develop8128>
Component:	Platform	Assignee:	Nobody <webkit-unassigned>
Status:	RESOLVED FIXED
Severity:	Normal	CC:	webkit-bug-importer
Priority:	P2	Keywords:	InRadar
Version:	WebKit Nightly Build
Hardware:	Unspecified
OS:	Unspecified
Bug Depends on:	261101
Bug Blocks:	231653

Description Akihiro Kiuchi 2023-09-04 00:36:43 PDT

This is a sub issue of https://bugs.webkit.org/show_bug.cgi?id=231653

Depending issue Bug261101 may add additional passes for better blurring.
To reduce the increasing gpu load, this issue speeds up the blurring process using linear sampling when applying gaussian kernel.

ref: https://www.rastergrid.com/blog/2010/09/efficient-gaussian-blur-with-linear-sampling/

Comment 1 Akihiro Kiuchi 2023-09-05 22:44:45 PDT

Pull request: https://github.com/WebKit/WebKit/pull/17471

Comment 2 EWS 2023-09-06 20:28:11 PDT

Committed 267715@main (437b5540d082): <https://commits.webkit.org/267715@main>

Reviewed commits have been landed. Closing PR #17471 and removing active labels.

Comment 3 Radar WebKit Bug Importer 2023-09-06 20:29:16 PDT

<rdar://problem/115091406>