[webkit-changes] [WebKit/WebKit] fcd692: [GTK][WPE] Random incorrect image displayed as the...

[Miguel Gómez]

  Branch: refs/heads/main
  Home:   https://github.com/WebKit/WebKit
  Commit: fcd69249c4936e186feea896bdfe27d9be97faab
      https://github.com/WebKit/WebKit/commit/fcd69249c4936e186feea896bdfe27d9be97faab
  Author: Miguel Gomez <magomez at igalia.com>
  Date:   2023-12-13 (Wed, 13 Dec 2023)

  Changed paths:
    M Source/WebCore/platform/graphics/cairo/CairoUtilities.cpp
    M Source/WebCore/platform/graphics/cairo/CairoUtilities.h
    M Source/WebCore/platform/graphics/texmap/coordinated/CoordinatedGraphicsLayer.cpp
    M Source/WebCore/platform/image-decoders/cairo/ImageBackingStoreCairo.cpp

  Log Message:
  -----------
  [GTK][WPE] Random incorrect image displayed as the background of a div
https://bugs.webkit.org/show_bug.cgi?id=265990

Reviewed by Žan Doberšek.

Add an unique ID to cairo surfaces created in ImageBackingStoreCairo. This unique ID allows us
to differentiate when the cairo surface that's backing an image has changed, so we are sure that
we're not using an incorrect value cached inside some ImageBackingStore.

* Source/WebCore/platform/graphics/cairo/CairoUtilities.cpp:
(WebCore::attachSurfaceUniqueID):
(WebCore::getSurfaceUniqueID):
* Source/WebCore/platform/graphics/cairo/CairoUtilities.h:
* Source/WebCore/platform/graphics/texmap/coordinated/CoordinatedGraphicsLayer.cpp:
(WebCore::CoordinatedGraphicsLayer::flushCompositingStateForThisLayerOnly):
* Source/WebCore/platform/image-decoders/cairo/ImageBackingStoreCairo.cpp:
(WebCore::ImageBackingStore::image const):

Canonical link: https://commits.webkit.org/272009@main