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/****************************************************************************
**
** Copyright (C) 2021 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the QtQuick module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:COMM$
**
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** $QT_END_LICENSE$
**
**
**
**
**
**
**
**
**
**
**
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**
**
****************************************************************************/
#ifndef QSGABSTRACTSOFTWARERENDERER_H
#define QSGABSTRACTSOFTWARERENDERER_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 <private/qsgrenderer_p.h>
#include <QtCore/QHash>
QT_BEGIN_NAMESPACE
class QSGSimpleRectNode;
class QSGSoftwareRenderableNode;
class QSGSoftwareRenderableNodeUpdater;
class Q_QUICK_PRIVATE_EXPORT QSGAbstractSoftwareRenderer : public QSGRenderer
{
public:
QSGAbstractSoftwareRenderer(QSGRenderContext *context);
virtual ~QSGAbstractSoftwareRenderer();
QSGSoftwareRenderableNode *renderableNode(QSGNode *node) const;
void addNodeMapping(QSGNode *node, QSGSoftwareRenderableNode *renderableNode);
void appendRenderableNode(QSGSoftwareRenderableNode *node);
void nodeChanged(QSGNode *node, QSGNode::DirtyState state) override;
void markDirty();
protected:
QRegion renderNodes(QPainter *painter);
void buildRenderList();
QRegion optimizeRenderList();
void setBackgroundColor(const QColor &color);
void setBackgroundRect(const QRect &rect, qreal devicePixelRatio);
QColor backgroundColor();
QRect backgroundRect();
// only known after calling optimizeRenderList()
bool isOpaque() const { return m_isOpaque; }
private:
void nodeAdded(QSGNode *node);
void nodeRemoved(QSGNode *node);
void nodeGeometryUpdated(QSGNode *node);
void nodeMaterialUpdated(QSGNode *node);
void nodeMatrixUpdated(QSGNode *node);
void nodeOpacityUpdated(QSGNode *node);
QHash<QSGNode*, QSGSoftwareRenderableNode*> m_nodes;
QVector<QSGSoftwareRenderableNode*> m_renderableNodes;
QSGSimpleRectNode *m_background;
QRegion m_dirtyRegion;
QRegion m_obscuredRegion;
qreal m_devicePixelRatio = 1;
bool m_isOpaque = false;
QSGSoftwareRenderableNodeUpdater *m_nodeUpdater;
};
QT_END_NAMESPACE
#endif // QSGABSTRACTSOFTWARERENDERER_H
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