[webkit-changes] [WebKit/WebKit] 0b83df: [LBSE] Reduce SVG state in RenderLayer

[Rob Buis]

  Branch: refs/heads/main
  Home:   https://github.com/WebKit/WebKit
  Commit: 0b83dfd6d194cc197ce006631772298578e6a181
      https://github.com/WebKit/WebKit/commit/0b83dfd6d194cc197ce006631772298578e6a181
  Author: Rob Buis <rbuis at igalia.com>
  Date:   2023-10-31 (Tue, 31 Oct 2023)

  Changed paths:
    M Source/WebCore/rendering/RenderLayer.cpp
    M Source/WebCore/rendering/RenderLayer.h

  Log Message:
  -----------
  [LBSE] Reduce SVG state in RenderLayer
https://bugs.webkit.org/show_bug.cgi?id=263847

Reviewed by Nikolas Zimmermann.

The two member variables m_enclosingSVGResourceContainer and
m_enclosingSVGHiddenContainer basically keep track of the same
information, what is the nearest hidden or resource ancestor, so
we just need one member variable and some more type checks.

* Source/WebCore/rendering/RenderLayer.cpp:
(WebCore::RenderLayer::updateAncestorDependentState):
(WebCore::RenderLayer::setupClipPath):
(WebCore::RenderLayer::paintLayerContents):
(WebCore::RenderLayer::hitTestLayer):
* Source/WebCore/rendering/RenderLayer.h:

Canonical link: https://commits.webkit.org/270012@main