File indexing completed on 2024-06-16 05:05:51

 /*
     SPDX-FileCopyrightText: 2006 Lubos Lunak <l.lunak@kde.org>
     SPDX-FileCopyrightText: 2021 Vlad Zahorodnii <vlad.zahorodnii@kde.org>
     SPDX-FileCopyrightText: 2022 Arjen Hiemstra <ahiemstra@heimr.nl>
 
     SPDX-License-Identifier: GPL-2.0-or-later
 */
 
 #pragma once
 
 #include "effect/effect.h"
 #include "effect/offscreenquickview.h"
 
 #include <QElapsedTimer>
 
 namespace KWin
 {
 
 class ShowFpsEffect : public Effect
 {
     Q_OBJECT
     Q_PROPERTY(int fps READ fps NOTIFY fpsChanged)
     Q_PROPERTY(int maximumFps READ maximumFps NOTIFY maximumFpsChanged)
     Q_PROPERTY(int paintDuration READ paintDuration NOTIFY paintChanged)
     Q_PROPERTY(int paintAmount READ paintAmount NOTIFY paintChanged)
     Q_PROPERTY(QColor paintColor READ paintColor NOTIFY paintChanged)
 
 public:
     ShowFpsEffect();
     ~ShowFpsEffect() override;
 
     int fps() const;
     int maximumFps() const;
     int paintDuration() const;
     int paintAmount() const;
     QColor paintColor() const;
 
     void prePaintScreen(ScreenPrePaintData &data, std::chrono::milliseconds presentTime) override;
     void paintScreen(const RenderTarget &renderTarget, const RenderViewport &viewport, int mask, const QRegion &region, Output *screen) override;
     void paintWindow(const RenderTarget &renderTarget, const RenderViewport &viewport, EffectWindow *w, int mask, QRegion region, KWin::WindowPaintData &data) override;
     void postPaintScreen() override;
 
     static bool supported();
 
 Q_SIGNALS:
     void fpsChanged();
     void maximumFpsChanged();
     void paintChanged();
 
 private:
     std::unique_ptr<OffscreenQuickScene> m_scene;
 
     uint32_t m_maximumFps = 0;
 
     int m_fps = 0;
     int m_newFps = 0;
     std::chrono::steady_clock::time_point m_lastFpsTime;
 
     int m_paintDuration = 0;
     int m_paintAmount = 0;
     QElapsedTimer m_paintDurationTimer;
 };
 
 } // namespace KWin