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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 QQUICKFRAMEBUFFEROBJECT_H
#define QQUICKFRAMEBUFFEROBJECT_H
#include <QtQuick/QQuickItem>
QT_BEGIN_NAMESPACE
class QOpenGLFramebufferObject;
class QQuickFramebufferObjectPrivate;
class QSGFramebufferObjectNode;
class Q_QUICK_EXPORT QQuickFramebufferObject : public QQuickItem
{
Q_OBJECT
Q_DECLARE_PRIVATE(QQuickFramebufferObject)
Q_PROPERTY(bool textureFollowsItemSize READ textureFollowsItemSize WRITE setTextureFollowsItemSize NOTIFY textureFollowsItemSizeChanged)
Q_PROPERTY(bool mirrorVertically READ mirrorVertically WRITE setMirrorVertically NOTIFY mirrorVerticallyChanged)
public:
class Q_QUICK_EXPORT Renderer {
protected:
Renderer();
virtual ~Renderer();
virtual void render() = 0;
virtual QOpenGLFramebufferObject *createFramebufferObject(const QSize &size);
virtual void synchronize(QQuickFramebufferObject *);
QOpenGLFramebufferObject *framebufferObject() const;
void update();
void invalidateFramebufferObject();
private:
friend class QSGFramebufferObjectNode;
friend class QQuickFramebufferObject;
void *data;
};
QQuickFramebufferObject(QQuickItem *parent = nullptr);
bool textureFollowsItemSize() const;
void setTextureFollowsItemSize(bool follows);
bool mirrorVertically() const;
void setMirrorVertically(bool enable);
virtual Renderer *createRenderer() const = 0;
bool isTextureProvider() const override;
QSGTextureProvider *textureProvider() const override;
void releaseResources() override;
protected:
void geometryChange(const QRectF &newGeometry, const QRectF &oldGeometry) override;
protected:
QSGNode *updatePaintNode(QSGNode *, UpdatePaintNodeData *) override;
Q_SIGNALS:
void textureFollowsItemSizeChanged(bool);
void mirrorVerticallyChanged(bool);
private Q_SLOTS:
void invalidateSceneGraph();
};
QT_END_NAMESPACE
#endif // QQUICKFRAMEBUFFEROBJECT_H
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