qsurface.h

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// Copyright (C) 2016 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 QSURFACE_H
#define QSURFACE_H
 
#include <QtGui/qtguiglobal.h>
#include <QtCore/qnamespace.h>
#include <QtGui/qsurfaceformat.h>
#include <QtCore/qmetatype.h>
#include <QtCore/qsize.h>
 
QT_BEGIN_NAMESPACE
 
 
class QPlatformSurface;
 
class QSurfacePrivate;
 
class Q_GUI_EXPORT QSurface
{
    Q_GADGET
public:
    enum SurfaceClass {
        Window,
        Offscreen
    };
    Q_ENUM(SurfaceClass)
 
    enum SurfaceType {
        RasterSurface,
        OpenGLSurface,
        RasterGLSurface,
        OpenVGSurface,
        VulkanSurface,
        MetalSurface,
        Direct3DSurface
    };
    Q_ENUM(SurfaceType)
 
    virtual ~QSurface();
 
    SurfaceClass surfaceClass() const;
 
    virtual QSurfaceFormat format() const = 0;
    virtual QPlatformSurface *surfaceHandle() const = 0;
 
    virtual SurfaceType surfaceType() const = 0;
    bool supportsOpenGL() const;
 
    virtual QSize size() const = 0;
 
protected:
    explicit QSurface(SurfaceClass type);
 
    SurfaceClass m_type;
 
    QSurfacePrivate *m_reserved;
};
 
QT_END_NAMESPACE
 
QT_DECL_METATYPE_EXTERN_TAGGED(QSurface*, QSurface_ptr, Q_GUI_EXPORT)
 
#endif //QSURFACE_H