[webkit-changes] [WebKit/WebKit] 269f0e: Speedometer 3: Charts-chartjs spends a lot of CPU ...

[Ryosuke Niwa]

  Branch: refs/heads/main
  Home:   https://github.com/WebKit/WebKit
  Commit: 269f0e8b5e51910decd0f6d55a87bac7f5ec4eb8
      https://github.com/WebKit/WebKit/commit/269f0e8b5e51910decd0f6d55a87bac7f5ec4eb8
  Author: Ryosuke Niwa <rniwa at webkit.org>
  Date:   2023-06-24 (Sat, 24 Jun 2023)

  Changed paths:
    M Source/WebCore/html/HTMLImageElement.cpp
    M Source/WebCore/html/HTMLImageElement.h
    M Source/WebCore/rendering/RenderImage.cpp

  Log Message:
  -----------
  Speedometer 3: Charts-chartjs spends a lot of CPU time in RenderImage::updateInnerContentRect
https://bugs.webkit.org/show_bug.cgi?id=258490

Reviewed by Simon Fraser.

Cache the URL in HTMLImageElement instead of keep re-completing the URL each layout.

* Source/WebCore/html/HTMLImageElement.cpp:
(WebCore::HTMLImageElement::setBestFitURLAndDPRFromImageCandidate):
* Source/WebCore/html/HTMLImageElement.h:
(WebCore::HTMLImageElement::currentURL const):
* Source/WebCore/rendering/RenderImage.cpp:
(WebCore::RenderImage::updateInnerContentRect):

Canonical link: https://commits.webkit.org/265499@main