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/*
* Copyright (C) 2024 Igalia S.L.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
* THE POSSIBILITY OF SUCH DAMAGE.
*/
#pragma once
#if USE(COORDINATED_GRAPHICS)
#include <atomic>
#include <wtf/HashSet.h>
#include <wtf/Lock.h>
#include <wtf/ThreadSafeRefCounted.h>
namespace WebCore {
class CoordinatedPlatformLayer;
}
namespace WebKit {
class CoordinatedSceneState final : public ThreadSafeRefCounted<CoordinatedSceneState> {
WTF_MAKE_TZONE_ALLOCATED(CoordinatedSceneState);
public:
static Ref<CoordinatedSceneState> create()
{
return adoptRef(*new CoordinatedSceneState());
}
virtual ~CoordinatedSceneState();
WebCore::CoordinatedPlatformLayer& rootLayer() const { return m_rootLayer.get(); }
void setRootLayerChildren(Vector<Ref<WebCore::CoordinatedPlatformLayer>>&&);
void addLayer(WebCore::CoordinatedPlatformLayer&);
void removeLayer(WebCore::CoordinatedPlatformLayer&);
bool flush();
void invalidate();
const HashSet<Ref<WebCore::CoordinatedPlatformLayer>>& committedLayers();
void invalidateCommittedLayers();
#if !HAVE(DISPLAY_LINK)
bool layersDidChange() const { return m_didChangeLayers; }
#endif
void waitUntilPaintingComplete();
private:
CoordinatedSceneState();
Ref<WebCore::CoordinatedPlatformLayer> m_rootLayer;
HashSet<Ref<WebCore::CoordinatedPlatformLayer>> m_layers;
Lock m_pendingLayersLock;
HashSet<Ref<WebCore::CoordinatedPlatformLayer>> m_pendingLayers WTF_GUARDED_BY_LOCK(m_pendingLayersLock);
std::atomic<bool> m_didChangeLayers { false };
HashSet<Ref<WebCore::CoordinatedPlatformLayer>> m_committedLayers;
};
} // namespace WebKit
#endif // USE(COORDINATED_GRAPHICS)
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