qopenvgoffscreensurface.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 QOPENVGOFFSCREENSURFACE_H
#define QOPENVGOFFSCREENSURFACE_H
 
#include "qopenvgcontext_p.h"
 
QT_BEGIN_NAMESPACE
 
class QOpenVGOffscreenSurface
{
public:
    QOpenVGOffscreenSurface(const QSize &size);
    ~QOpenVGOffscreenSurface();
 
    void makeCurrent();
    void doneCurrent();
    void swapBuffers();
 
    VGImage image() { return m_image; }
    QSize size() const { return m_size; }
 
    QImage readbackQImage();
 
private:
    VGImage m_image;
    QSize m_size;
    EGLContext m_context;
    EGLSurface m_renderTarget;
    EGLContext m_previousContext = EGL_NO_CONTEXT;
    EGLSurface m_previousReadSurface = EGL_NO_SURFACE;
    EGLSurface m_previousDrawSurface = EGL_NO_SURFACE;
    EGLDisplay m_display;
};
 
QT_END_NAMESPACE
 
#endif // QOPENVGOFFSCREENSURFACE_H