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LibWeb: Save ScrollState snapshot in DisplayList to avoid race condition
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Browse source 
With this change we save a copy of of scroll state at the time of
recording a display list, instead of actual ScrollState pointer that
could be modifed by the main thread while display list is beings
rasterized on the rendering thread, which leads to a frame painted with
inconsistent scroll state.

Fixes https://github.com/LadybirdBrowser/ladybird/issues/4288
This commit is contained in:
Aliaksandr Kalenik 2025-04-11 20:00:56 +02:00 • committed by Alexander Kalenik
commit 6507d23e29
Notes: github-actions[bot] 2025-04-12 00:56:11 +00:00
18 changed files with 85 additions and 29 deletions
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1
Libraries/LibWeb/Painting/ScrollFrame.h
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@ -6,6 +6,7 @@
#pragma once
#include <AK/WeakPtr.h>
#include <LibWeb/Forward.h>
#include <LibWeb/PixelUnits.h>