[webkit-changes] [WebKit/WebKit] 5d4f84: [TexMap] Wrong damage on layer resize

[Pawel Lampe]

  Branch: refs/heads/main
  Home:   https://github.com/WebKit/WebKit
  Commit: 5d4f841d57c14aec0921ad1046ced8fde097d49a
      https://github.com/WebKit/WebKit/commit/5d4f841d57c14aec0921ad1046ced8fde097d49a
  Author: Pawel Lampe <plampe at igalia.com>
  Date:   2025-02-27 (Thu, 27 Feb 2025)

  Changed paths:
    M LayoutTests/platform/glib/TestExpectations
    M Source/WebCore/platform/graphics/texmap/TextureMapperLayer.cpp
    M Source/WebCore/platform/graphics/texmap/TextureMapperLayer.h

  Log Message:
  -----------
  [TexMap] Wrong damage on layer resize
https://bugs.webkit.org/show_bug.cgi?id=288462

Reviewed by Carlos Garcia Campos.

This change fixes the damage produced by layer resizes. From
now on, the damage includes the area damaged before resize.
Moreover, the layer offset is now correctly taken into account.

* LayoutTests/platform/glib/TestExpectations:
* Source/WebCore/platform/graphics/texmap/TextureMapperLayer.cpp:
(WebCore::TextureMapperLayer::setDamage):
(WebCore::transformRectFromLayerToGlobalCoordinateSpace):
(WebCore::TextureMapperLayer::collectDamageSelf):
(WebCore::TextureMapperLayer::collectDamageSelfChildrenFilterAndMask):
(WebCore::TextureMapperLayer::damageWholeLayerDueToTransformChange):
(WebCore::TextureMapperLayer::setSize):
(WebCore::TextureMapperLayer::transformRectForDamage): Deleted.
* Source/WebCore/platform/graphics/texmap/TextureMapperLayer.h:
(WebCore::TextureMapperLayer::canInferDamage const):

Canonical link: https://commits.webkit.org/291215@main



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