qopenglversionprofile.h

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// Copyright (C) 2020 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
 
#ifndef QOPENGLVERSIONPROFILE_H
#define QOPENGLVERSIONPROFILE_H
 
#include <QtOpenGL/qtopenglglobal.h>
 
#include <QtGui/QSurfaceFormat>
 
#include <QtCore/qhashfunctions.h>
 
QT_BEGIN_NAMESPACE
 
class QOpenGLVersionProfilePrivate;
class QDebug;
 
class Q_OPENGL_EXPORT QOpenGLVersionProfile
{
public:
    QOpenGLVersionProfile();
    explicit QOpenGLVersionProfile(const QSurfaceFormat &format);
    QOpenGLVersionProfile(const QOpenGLVersionProfile &other);
    ~QOpenGLVersionProfile();
 
    QOpenGLVersionProfile &operator=(const QOpenGLVersionProfile &rhs);
 
    std::pair<int, int> version() const;
    void setVersion(int majorVersion, int minorVersion);
 
    QSurfaceFormat::OpenGLContextProfile profile() const;
    void setProfile(QSurfaceFormat::OpenGLContextProfile profile);
 
    bool hasProfiles() const;
    bool isLegacyVersion() const;
    bool isValid() const;
 
private:
    QOpenGLVersionProfilePrivate* d;
 
    friend bool operator==(const QOpenGLVersionProfile &lhs, const QOpenGLVersionProfile &rhs) noexcept
    {
        if (lhs.profile() != rhs.profile())
            return false;
        return lhs.version() == rhs.version();
    }
 
    friend bool operator!=(const QOpenGLVersionProfile &lhs, const QOpenGLVersionProfile &rhs) noexcept
    {
        return !operator==(lhs, rhs);
    }
};
 
inline size_t qHash(const QOpenGLVersionProfile &v, size_t seed = 0) noexcept
{
    return qHash(static_cast<int>(v.profile() * 1000)
               + v.version().first * 100 + v.version().second * 10, seed);
}
 
 
#ifndef QT_NO_DEBUG_STREAM
Q_OPENGL_EXPORT QDebug operator<<(QDebug debug, const QOpenGLVersionProfile &vp);
#endif // !QT_NO_DEBUG_STREAM
 
QT_END_NAMESPACE
 
#endif // QOPENGLVERSIONPROFILE_H