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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 QOPENGLCOMPOSITORBACKINGSTORE_H
#define QOPENGLCOMPOSITORBACKINGSTORE_H
//
// W A R N I N G
// -------------
//
// This file is not part of the Qt API. It exists purely as an
// implementation detail. This header file may change from version to
// version without notice, or even be removed.
//
// We mean it.
//
#include <QtOpenGL/qtopenglglobal.h>
#include <qpa/qplatformbackingstore.h>
#include <QImage>
#include <QRegion>
#include <private/qglobal_p.h>
QT_BEGIN_NAMESPACE
class QOpenGLContext;
class QPlatformTextureList;
class QRhiTexture;
class Q_OPENGL_EXPORT QOpenGLCompositorBackingStore : public QPlatformBackingStore
{
public:
QOpenGLCompositorBackingStore(QWindow *window);
~QOpenGLCompositorBackingStore();
QPaintDevice *paintDevice() override;
void beginPaint(const QRegion ®ion) override;
void flush(QWindow *window, const QRegion ®ion, const QPoint &offset) override;
void resize(const QSize &size, const QRegion &staticContents) override;
QImage toImage() const override;
FlushResult rhiFlush(QWindow *window,
const QRegion ®ion,
const QPoint &offset,
QPlatformTextureList *textures,
bool translucentBackground) override;
const QPlatformTextureList *textures() const { return m_textures; }
void notifyComposited();
private:
void updateTexture();
QWindow *m_window;
QImage m_image;
QRegion m_dirty;
uint m_bsTexture;
QRhiTexture *m_bsTextureWrapper;
QOpenGLContext *m_bsTextureContext;
QPlatformTextureList *m_textures;
QPlatformTextureList *m_lockedWidgetTextures;
QRhi *m_rhi;
};
QT_END_NAMESPACE
#endif // QOPENGLCOMPOSITORBACKINGSTORE_H
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