Bug 261102 - [TextureMapper] Use linear sampling when blurring for better performance
Summary: [TextureMapper] Use linear sampling when blurring for better performance
Status: RESOLVED FIXED
Alias: None
Product: WebKit
Classification: Unclassified
Component: Platform (show other bugs)
Version: WebKit Nightly Build
Hardware: Unspecified Unspecified
: P2 Normal
Assignee: Nobody
URL:
Keywords: InRadar
Depends on: 261101
Blocks: 231653
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Reported: 2023-09-04 00:36 PDT by Akihiro Kiuchi
Modified: 2023-09-06 20:29 PDT (History)
1 user (show)

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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>