drm_object.h

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/*
    KWin - the KDE window manager
    This file is part of the KDE project.
 
    SPDX-FileCopyrightText: 2016 Roman Gilg <subdiff@gmail.com>
 
    SPDX-License-Identifier: GPL-2.0-or-later
*/
#pragma once
 
#include <QByteArray>
#include <QList>
#include <QMap>
 
#include <vector>
 
// drm
#include <xf86drmMode.h>
 
#include "drm_pointer.h"
#include "drm_property.h"
 
namespace KWin
{
 
class DrmBackend;
class DrmGpu;
class DrmOutput;
class DrmAtomicCommit;
 
class DrmPropertyList
{
public:
    void addProperty(DrmUniquePtr<drmModePropertyRes> &&prop, uint64_t value);
    std::optional<std::pair<DrmUniquePtr<drmModePropertyRes>, uint64_t>> takeProperty(const QByteArray &name);
 
private:
    std::vector<std::pair<DrmUniquePtr<drmModePropertyRes>, uint64_t>> m_properties;
};
 
class DrmObject
{
public:
    virtual ~DrmObject() = default;
    DrmObject(const DrmObject &) = delete;
 
    bool init();
 
    virtual void disable(DrmAtomicCommit *commit) = 0;
 
    virtual bool updateProperties() = 0;
 
    uint32_t id() const;
    DrmGpu *gpu() const;
    uint32_t type() const;
    QString typeName() const;
 
protected:
    DrmObject(DrmGpu *gpu, uint32_t objectId, uint32_t objectType);
 
    DrmPropertyList queryProperties() const;
 
private:
    DrmGpu *m_gpu;
    const uint32_t m_id;
    const uint32_t m_objectType;
};
 
}
 
QDebug operator<<(QDebug stream, const KWin::DrmObject *);