| 1 | // Copyright (C) 2016 The Qt Company Ltd. |
|---|---|
| 2 | // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only |
| 3 | |
| 4 | #ifndef QSGABSTRACTSOFTWARERENDERER_H |
| 5 | #define QSGABSTRACTSOFTWARERENDERER_H |
| 6 | |
| 7 | // |
| 8 | // W A R N I N G |
| 9 | // ------------- |
| 10 | // |
| 11 | // This file is not part of the Qt API. It exists purely as an |
| 12 | // implementation detail. This header file may change from version to |
| 13 | // version without notice, or even be removed. |
| 14 | // |
| 15 | // We mean it. |
| 16 | // |
| 17 | |
| 18 | #include <private/qsgrenderer_p.h> |
| 19 | |
| 20 | #include <QtCore/QHash> |
| 21 | |
| 22 | QT_BEGIN_NAMESPACE |
| 23 | |
| 24 | class QSGSimpleRectNode; |
| 25 | |
| 26 | class QSGSoftwareRenderableNode; |
| 27 | class QSGSoftwareRenderableNodeUpdater; |
| 28 | |
| 29 | class Q_QUICK_EXPORT QSGAbstractSoftwareRenderer : public QSGRenderer |
| 30 | { |
| 31 | public: |
| 32 | QSGAbstractSoftwareRenderer(QSGRenderContext *context); |
| 33 | virtual ~QSGAbstractSoftwareRenderer(); |
| 34 | |
| 35 | QSGSoftwareRenderableNode *renderableNode(QSGNode *node) const; |
| 36 | void addNodeMapping(QSGNode *node, QSGSoftwareRenderableNode *renderableNode); |
| 37 | void appendRenderableNode(QSGSoftwareRenderableNode *node); |
| 38 | |
| 39 | void nodeChanged(QSGNode *node, QSGNode::DirtyState state) override; |
| 40 | |
| 41 | void markDirty(); |
| 42 | |
| 43 | protected: |
| 44 | QRegion renderNodes(QPainter *painter); |
| 45 | void buildRenderList(); |
| 46 | QRegion optimizeRenderList(); |
| 47 | |
| 48 | void setBackgroundColor(const QColor &color); |
| 49 | void setBackgroundRect(const QRect &rect, qreal devicePixelRatio); |
| 50 | QColor backgroundColor(); |
| 51 | QRect backgroundRect(); |
| 52 | // only known after calling optimizeRenderList() |
| 53 | bool isOpaque() const { return m_isOpaque; } |
| 54 | const QVector<QSGSoftwareRenderableNode*> &renderableNodes() const; |
| 55 | |
| 56 | private: |
| 57 | void nodeAdded(QSGNode *node); |
| 58 | void nodeRemoved(QSGNode *node); |
| 59 | void nodeGeometryUpdated(QSGNode *node); |
| 60 | void nodeMaterialUpdated(QSGNode *node); |
| 61 | void nodeMatrixUpdated(QSGNode *node); |
| 62 | void nodeOpacityUpdated(QSGNode *node); |
| 63 | |
| 64 | QHash<QSGNode*, QSGSoftwareRenderableNode*> m_nodes; |
| 65 | QVector<QSGSoftwareRenderableNode*> m_renderableNodes; |
| 66 | |
| 67 | QSGSimpleRectNode *m_background; |
| 68 | |
| 69 | QRegion m_dirtyRegion; |
| 70 | QRegion m_obscuredRegion; |
| 71 | qreal m_devicePixelRatio = 1; |
| 72 | bool m_isOpaque = false; |
| 73 | |
| 74 | QSGSoftwareRenderableNodeUpdater *m_nodeUpdater; |
| 75 | }; |
| 76 | |
| 77 | QT_END_NAMESPACE |
| 78 | |
| 79 | #endif // QSGABSTRACTSOFTWARERENDERER_H |
| 80 |