renderlayerdelegate.h

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/*
    SPDX-FileCopyrightText: 2021 Vlad Zahorodnii <vlad.zahorodnii@kde.org>
 
    SPDX-License-Identifier: GPL-2.0-or-later
*/
 
#pragma once
 
#include "effect/globals.h"
#include "kwin_export.h"
 
#include <QRegion>
#include <chrono>
 
namespace KWin
{
 
class RenderLayer;
class RenderTarget;
class RenderViewport;
class SurfaceItem;
class OutputFrame;
 
class KWIN_EXPORT RenderLayerDelegate
{
public:
    virtual ~RenderLayerDelegate() = default;
 
    RenderLayer *layer() const;
    void setLayer(RenderLayer *layer);
 
    virtual void frame(OutputFrame *frame);
 
    virtual QRegion prePaint();
 
    virtual void postPaint();
 
    virtual SurfaceItem *scanoutCandidate() const;
 
    virtual void paint(const RenderTarget &renderTarget, const QRegion &region) = 0;
 
private:
    RenderLayer *m_layer = nullptr;
};
 
} // namespace KWin