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LibWeb: Make BackingStore atomic ref-counted
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Browse source 
This is required to make sure rendering thread will keep backing stores
alive in case backing stores reallocation happens during rasterization.

Fixes https://github.com/LadybirdBrowser/ladybird/issues/4164
This commit is contained in:
Aliaksandr Kalenik 2025-04-01 01:44:35 +02:00 • committed by Alexander Kalenik
commit e33174fca1
Notes: github-actions[bot] 2025-04-01 01:06:13 +00:00
6 changed files with 28 additions and 17 deletions
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8
Services/WebContent/BackingStoreManager.cpp
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@ -83,8 +83,8 @@ void BackingStoreManager::reallocate_backing_stores(Gfx::IntSize size)
VERIFY_NOT_REACHED();
}
m_front_store = make<Web::Painting::IOSurfaceBackingStore>(move(front_iosurface));
m_back_store = make<Web::Painting::IOSurfaceBackingStore>(move(back_iosurface));
m_front_store = Web::Painting::IOSurfaceBackingStore::create(move(front_iosurface));
m_back_store = Web::Painting::IOSurfaceBackingStore::create(move(back_iosurface));
return;
}
@ -96,8 +96,8 @@ void BackingStoreManager::reallocate_backing_stores(Gfx::IntSize size)
auto front_bitmap = Gfx::Bitmap::create_shareable(Gfx::BitmapFormat::BGRA8888, Gfx::AlphaType::Premultiplied, size).release_value();
auto back_bitmap = Gfx::Bitmap::create_shareable(Gfx::BitmapFormat::BGRA8888, Gfx::AlphaType::Premultiplied, size).release_value();
m_front_store = make<Web::Painting::BitmapBackingStore>(front_bitmap);
m_back_store = make<Web::Painting::BitmapBackingStore>(back_bitmap);
m_front_store = Web::Painting::BitmapBackingStore::create(front_bitmap);
m_back_store = Web::Painting::BitmapBackingStore::create(back_bitmap);
m_page_client.page_did_allocate_backing_stores(m_front_bitmap_id, front_bitmap->to_shareable_bitmap(), m_back_bitmap_id, back_bitmap->to_shareable_bitmap());
}