[webkit-changes] [WebKit/WebKit] de6652: Use an inline capacity 2 for the vector for LayerA...

[Yusuke Suzuki]

  Branch: refs/heads/main
  Home:   https://github.com/WebKit/WebKit
  Commit: de66522046aea3efe88c8e84ea2dbbec57fca03d
      https://github.com/WebKit/WebKit/commit/de66522046aea3efe88c8e84ea2dbbec57fca03d
  Author: Yusuke Suzuki <ysuzuki at apple.com>
  Date:   2024-05-01 (Wed, 01 May 2024)

  Changed paths:
    M Source/WebCore/rendering/LayerOverlapMap.cpp
    M Source/WebCore/rendering/LayerOverlapMap.h
    M Source/WebCore/rendering/RenderLayerCompositor.cpp

  Log Message:
  -----------
  Use an inline capacity 2 for the vector for LayerAndBounds
https://bugs.webkit.org/show_bug.cgi?id=273539
rdar://127345908

Reviewed by Simon Fraser.

We are repeatedly allocating this Vector, but elements are typically 1 or 2.
We should have inline capacity for this as 2.

* Source/WebCore/rendering/LayerOverlapMap.cpp:
(WebCore::OverlapMapContainer::add):
(WebCore::OverlapMapContainer::overlapsLayers const):
(WebCore::OverlapMapContainer::ensureClippingScopeForLayers):
(WebCore::OverlapMapContainer::findClippingScopeForLayers const):
(WebCore::LayerOverlapMap::add):
(WebCore::LayerOverlapMap::overlapsLayers const):
* Source/WebCore/rendering/LayerOverlapMap.h:
* Source/WebCore/rendering/RenderLayerCompositor.cpp:
(WebCore::RenderLayerCompositor::computeClippingScopes const):

Canonical link: https://commits.webkit.org/278229@main



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