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e33174fca1
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
67 lines
1.6 KiB
C++
67 lines
1.6 KiB
C++
/*
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* Copyright (c) 2024, Aliaksandr Kalenik <kalenik.aliaksandr@gmail.com>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#pragma once
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#include <AK/AtomicRefCounted.h>
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#include <AK/Noncopyable.h>
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#include <LibGfx/Size.h>
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#ifdef AK_OS_MACOS
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# include <LibCore/IOSurface.h>
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#endif
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namespace Web::Painting {
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class BackingStore : public AtomicRefCounted<BackingStore> {
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AK_MAKE_NONCOPYABLE(BackingStore);
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public:
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virtual Gfx::IntSize size() const = 0;
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virtual Gfx::Bitmap& bitmap() const = 0;
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BackingStore() { }
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virtual ~BackingStore() { }
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};
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class BitmapBackingStore final : public BackingStore {
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public:
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static NonnullRefPtr<BitmapBackingStore> create(RefPtr<Gfx::Bitmap> bitmap)
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{
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return adopt_ref(*new BitmapBackingStore(move(bitmap)));
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}
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Gfx::IntSize size() const override { return m_bitmap->size(); }
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Gfx::Bitmap& bitmap() const override { return *m_bitmap; }
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private:
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BitmapBackingStore(RefPtr<Gfx::Bitmap>);
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RefPtr<Gfx::Bitmap> m_bitmap;
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};
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#ifdef AK_OS_MACOS
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class IOSurfaceBackingStore final : public BackingStore {
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public:
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static NonnullRefPtr<IOSurfaceBackingStore> create(Core::IOSurfaceHandle&& iosurface_handle)
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{
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return adopt_ref(*new IOSurfaceBackingStore(move(iosurface_handle)));
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}
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Gfx::IntSize size() const override;
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Core::IOSurfaceHandle& iosurface_handle() { return m_iosurface_handle; }
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Gfx::Bitmap& bitmap() const override { return *m_bitmap_wrapper; }
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private:
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IOSurfaceBackingStore(Core::IOSurfaceHandle&&);
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Core::IOSurfaceHandle m_iosurface_handle;
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RefPtr<Gfx::Bitmap> m_bitmap_wrapper;
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};
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#endif
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}
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