renderloop_p.h

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/*
    SPDX-FileCopyrightText: 2020 Vlad Zahorodnii <vlad.zahorodnii@kde.org>
 
    SPDX-License-Identifier: GPL-2.0-or-later
*/
 
#pragma once
 
#include "renderjournal.h"
#include "renderloop.h"
 
#include <QTimer>
 
#include <optional>
 
namespace KWin
{
 
class SurfaceItem;
 
class KWIN_EXPORT RenderLoopPrivate
{
public:
    static RenderLoopPrivate *get(RenderLoop *loop);
    explicit RenderLoopPrivate(RenderLoop *q, Output *output);
 
    void dispatch();
    void invalidate();
 
    void delayScheduleRepaint();
    void scheduleRepaint();
    void maybeScheduleRepaint();
 
    void notifyFrameFailed();
    void notifyFrameCompleted(std::chrono::nanoseconds timestamp, std::chrono::nanoseconds renderTime, PresentationMode mode = PresentationMode::VSync);
    void notifyVblank(std::chrono::nanoseconds timestamp);
 
    RenderLoop *const q;
    Output *const output;
    std::chrono::nanoseconds lastPresentationTimestamp = std::chrono::nanoseconds::zero();
    std::chrono::nanoseconds nextPresentationTimestamp = std::chrono::nanoseconds::zero();
    QTimer compositeTimer;
    RenderJournal renderJournal;
    int refreshRate = 60000;
    int pendingFrameCount = 0;
    int inhibitCount = 0;
    bool pendingReschedule = false;
    bool pendingRepaint = false;
    std::chrono::nanoseconds safetyMargin{0};
 
    PresentationMode presentationMode = PresentationMode::VSync;
};
 
} // namespace KWin