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c18314b942
Now, when Skia backend context is available by the time backing stores are allocated, there is no need to have a separate BackingStore class. This allows us to get rid of BackingStore -> PaintingSurface cache.
62 lines
1.5 KiB
C++
62 lines
1.5 KiB
C++
/*
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* Copyright (c) 2024-2025, 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 <LibWeb/HTML/Navigable.h>
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namespace Web::Painting {
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class BackingStoreManager : public JS::Cell {
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GC_CELL(BackingStoreManager, JS::Cell);
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GC_DECLARE_ALLOCATOR(BackingStoreManager);
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public:
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#ifdef AK_OS_MACOS
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static void set_browser_mach_port(Core::MachPort&&);
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#endif
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enum class WindowResizingInProgress {
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No,
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Yes
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};
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void resize_backing_stores_if_needed(WindowResizingInProgress window_resize_in_progress);
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void reallocate_backing_stores(Gfx::IntSize);
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void restart_resize_timer();
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struct BackingStore {
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i32 bitmap_id { -1 };
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RefPtr<Gfx::PaintingSurface> store;
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};
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BackingStore acquire_store_for_next_frame()
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{
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BackingStore backing_store;
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backing_store.bitmap_id = m_back_bitmap_id;
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backing_store.store = m_back_store;
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swap_back_and_front();
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return backing_store;
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}
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virtual void visit_edges(Cell::Visitor& visitor) override;
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BackingStoreManager(HTML::Navigable&);
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private:
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void swap_back_and_front();
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GC::Ref<HTML::Navigable> m_navigable;
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i32 m_front_bitmap_id { -1 };
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i32 m_back_bitmap_id { -1 };
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RefPtr<Gfx::PaintingSurface> m_front_store;
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RefPtr<Gfx::PaintingSurface> m_back_store;
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int m_next_bitmap_id { 0 };
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RefPtr<Core::Timer> m_backing_store_shrink_timer;
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};
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}
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