mirror of
https://github.com/LadybirdBrowser/ladybird.git
synced 2025-06-11 02:13:56 +09:00
cb722ca18b
This change allows us to overlap rasterization and rendering work across threads: while the rasterization thread processes frame N, the main thread can simultaneously work on producing the display list for frame N+1.
59 lines
1.4 KiB
C++
59 lines
1.4 KiB
C++
/*
|
|
* Copyright (c) 2024, Aliaksandr Kalenik <kalenik.aliaksandr@gmail.com>
|
|
*
|
|
* SPDX-License-Identifier: BSD-2-Clause
|
|
*/
|
|
|
|
#pragma once
|
|
|
|
#include <LibWeb/Painting/BackingStore.h>
|
|
#include <WebContent/Forward.h>
|
|
|
|
namespace WebContent {
|
|
|
|
class BackingStoreManager {
|
|
public:
|
|
#ifdef AK_OS_MACOS
|
|
static void set_browser_mach_port(Core::MachPort&&);
|
|
#endif
|
|
|
|
enum class WindowResizingInProgress {
|
|
No,
|
|
Yes
|
|
};
|
|
void resize_backing_stores_if_needed(WindowResizingInProgress window_resize_in_progress);
|
|
void reallocate_backing_stores(Gfx::IntSize);
|
|
void restart_resize_timer();
|
|
|
|
struct BackingStore {
|
|
i32 bitmap_id { -1 };
|
|
Web::Painting::BackingStore* store { nullptr };
|
|
};
|
|
|
|
BackingStore acquire_store_for_next_frame()
|
|
{
|
|
BackingStore backing_store;
|
|
backing_store.bitmap_id = m_back_bitmap_id;
|
|
backing_store.store = m_back_store.ptr();
|
|
swap_back_and_front();
|
|
return backing_store;
|
|
}
|
|
|
|
BackingStoreManager(PageClient&);
|
|
|
|
private:
|
|
void swap_back_and_front();
|
|
|
|
// FIXME: We should come up with an ownership model for this class that makes the GC-checker happy
|
|
IGNORE_GC PageClient& m_page_client;
|
|
|
|
i32 m_front_bitmap_id { -1 };
|
|
i32 m_back_bitmap_id { -1 };
|
|
RefPtr<Web::Painting::BackingStore> m_front_store;
|
|
RefPtr<Web::Painting::BackingStore> m_back_store;
|
|
int m_next_bitmap_id { 0 };
|
|
|
|
RefPtr<Core::Timer> m_backing_store_shrink_timer;
|
|
};
|
|
|
|
}
|