x11_standalone_sgivideosyncvsyncmonitor.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 "utils/vsyncmonitor.h"
 
#include <epoxy/glx.h>
#include <fixx11h.h>
 
#include <QThread>
 
namespace KWin
{
 
class SGIVideoSyncVsyncMonitorHelper : public QObject
{
    Q_OBJECT
 
public:
    explicit SGIVideoSyncVsyncMonitorHelper();
    ~SGIVideoSyncVsyncMonitorHelper() override;
 
    bool isValid() const;
 
public Q_SLOTS:
    void poll();
 
Q_SIGNALS:
    void errorOccurred();
    void vblankOccurred(std::chrono::nanoseconds timestamp);
 
private:
    ::Display *m_display = nullptr;
    ::Window m_dummyWindow = 0;
    GLXContext m_localContext = 0;
    GLXDrawable m_drawable = 0;
};
 
class SGIVideoSyncVsyncMonitor : public VsyncMonitor
{
    Q_OBJECT
 
public:
    static std::unique_ptr<SGIVideoSyncVsyncMonitor> create();
    ~SGIVideoSyncVsyncMonitor() override;
 
    bool isValid() const;
 
public Q_SLOTS:
    void arm() override;
 
private:
    explicit SGIVideoSyncVsyncMonitor();
 
    QThread m_thread;
    SGIVideoSyncVsyncMonitorHelper m_helper;
};
 
} // namespace KWin