/****************************************************************************
**
** Copyright (C) 2015 Pier Luigi Fiorini <pierluigi.fiorini@gmail.com>
** Copyright (C) 2016 The Qt Company Ltd.
** Copyright (C) 2016 Pelagicore AG
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#ifndef QEGLFSKMSDEVICE_H
#define QEGLFSKMSDEVICE_H

#include "qeglfskmsintegration.h"
#include "qeglfskmsscreen.h"

#include <xf86drm.h>
#include <xf86drmMode.h>

QT_BEGIN_NAMESPACE

class Q_EGLFS_EXPORT QEglFSKmsDevice
{
public:
    struct VirtualDesktopInfo {
        VirtualDesktopInfo() : virtualIndex(0) { }
        int virtualIndex;
        QPoint virtualPos;
    };

    QEglFSKmsDevice(QEglFSKmsIntegration *integration, const QString &path);
    virtual ~QEglFSKmsDevice();

    virtual bool open() = 0;
    virtual void close() = 0;

    virtual void createScreens();

    virtual EGLNativeDisplayType nativeDisplay() const = 0;
    int fd() const;
    QString devicePath() const;

protected:
    virtual QEglFSKmsScreen *createScreen(QEglFSKmsIntegration *integration,
                                          QEglFSKmsDevice *device,
                                          QEglFSKmsOutput output);
    void setFd(int fd);

    QEglFSKmsIntegration *m_integration;
    QString m_path;
    int m_dri_fd;

    quint32 m_crtc_allocator;
    quint32 m_connector_allocator;

    int crtcForConnector(drmModeResPtr resources, drmModeConnectorPtr connector);
    QEglFSKmsScreen *createScreenForConnector(drmModeResPtr resources,
                                              drmModeConnectorPtr connector,
                                              VirtualDesktopInfo *vinfo);
    drmModePropertyPtr connectorProperty(drmModeConnectorPtr connector, const QByteArray &name);

    static void pageFlipHandler(int fd,
                                unsigned int sequence,
                                unsigned int tv_sec,
                                unsigned int tv_usec,
                                void *user_data);

private:
    Q_DISABLE_COPY(QEglFSKmsDevice)
};

QT_END_NAMESPACE

#endif