qt-everywhere-src-5.14.1/qtbase/src/plugins/platforms/offscreen/qoffscreenintegration_x11.h

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#ifndef QOFFSCREENINTEGRATION_X11_H
#define QOFFSCREENINTEGRATION_X11_H

#include "qoffscreenintegration.h"

#include <qglobal.h>
#include <qscopedpointer.h>

#include <qpa/qplatformopenglcontext.h>

QT_BEGIN_NAMESPACE

class QOffscreenX11Connection;
class QOffscreenX11Info;

class QOffscreenX11Integration : public QOffscreenIntegration,  public QPlatformNativeInterface
{
public:
    bool hasCapability(QPlatformIntegration::Capability cap) const override;

    QPlatformOpenGLContext *createPlatformOpenGLContext(QOpenGLContext *context) const override;
    QPlatformNativeInterface *nativeInterface()const override;

    // QPlatformNativeInterface
    void *nativeResourceForScreen(const QByteArray &resource, QScreen *screen) override;
#ifndef QT_NO_OPENGL
    void *nativeResourceForContext(const QByteArray &resource, QOpenGLContext *context) override;
#endif

private:
    mutable QScopedPointer<QOffscreenX11Connection> m_connection;
};

class QOffscreenX11Connection {
public:
    QOffscreenX11Connection();
    ~QOffscreenX11Connection();

    QOffscreenX11Info *x11Info();

    void *display() const { return m_display; }
    int screenNumber() const { return m_screenNumber; }

private:
    void *m_display;
    int m_screenNumber;

    QScopedPointer<QOffscreenX11Info> m_x11Info;
};

class QOffscreenX11GLXContextData;

class QOffscreenX11GLXContext : public QPlatformOpenGLContext
{
public:
    QOffscreenX11GLXContext(QOffscreenX11Info *x11, QOpenGLContext *context);
    ~QOffscreenX11GLXContext();

    bool makeCurrent(QPlatformSurface *surface) override;
    void doneCurrent() override;
    void swapBuffers(QPlatformSurface *surface) override;
    QFunctionPointer getProcAddress(const char *procName) override;

    QSurfaceFormat format() const override;
    bool isSharing() const override;
    bool isValid() const override;

    void *glxConfig() const;
    void *glxContext() const;

private:
    QScopedPointer<QOffscreenX11GLXContextData> d;
};

QT_END_NAMESPACE

#endif