| 1 | // Copyright (C) 2025 The Qt Company Ltd. |
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| 2 | // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only |
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| 3 | |
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| 4 | #ifndef QSSGRENDERROOT_P_H |
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| 5 | #define QSSGRENDERROOT_P_H |
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| 6 | |
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| 7 | // |
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| 8 | // W A R N I N G |
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| 9 | // ------------- |
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| 10 | // |
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| 11 | // This file is not part of the Qt API. It exists purely as an |
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| 12 | // implementation detail. This header file may change from version to |
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| 13 | // version without notice, or even be removed. |
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| 14 | // |
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| 15 | // We mean it. |
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| 16 | // |
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| 17 | |
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| 18 | #include <QtQuick3DRuntimeRender/private/qssgrendernode_p.h> |
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| 19 | |
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| 20 | #include <QtGui/qmatrix4x4.h> |
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| 21 | |
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| 22 | #include <memory> |
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| 23 | |
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| 24 | QT_BEGIN_NAMESPACE |
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| 25 | |
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| 26 | class QSSGGlobalRenderNodeData; |
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| 27 | |
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| 28 | class Q_QUICK3DRUNTIMERENDER_EXPORT QSSGRenderRoot final : public QSSGRenderNode |
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| 29 | { |
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| 30 | public: |
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| 31 | QSSGRenderRoot(); |
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| 32 | ~QSSGRenderRoot(); |
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| 33 | |
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| 34 | enum class DirtyFlag : quint8 |
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| 35 | { |
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| 36 | TreeDirty = 0x1 |
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| 37 | }; |
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| 38 | using FlagT = std::underlying_type_t<DirtyFlag>; |
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| 39 | |
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| 40 | static constexpr DirtyFlag DirtyMask { std::numeric_limits<FlagT>::max() }; |
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| 41 | |
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| 42 | [[nodiscard]] bool isDirty(DirtyFlag dirtyFlag = DirtyMask) const |
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| 43 | { |
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| 44 | return ((m_rootDirtyFlags & FlagT(dirtyFlag)) != 0) |
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| 45 | || ((dirtyFlag == DirtyMask) && QSSGRenderNode::isDirty()); |
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| 46 | } |
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| 47 | void markDirty(DirtyFlag dirtyFlag); |
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| 48 | void clearDirty(DirtyFlag dirtyFlag); |
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| 49 | |
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| 50 | [[nodiscard]] const std::shared_ptr<QSSGGlobalRenderNodeData> &globalNodeData() const |
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| 51 | { |
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| 52 | return m_gnd; |
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| 53 | } |
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| 54 | |
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| 55 | // This is the starting point when indexing the nodes. |
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| 56 | // By default it is 0, which means the first version when |
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| 57 | // indexing will be 1. The start version can be set to a |
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| 58 | // different value when needed. For example we'll set this |
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| 59 | // to the last version of the layer node when the window |
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| 60 | // changes, as that avoids accidentally re-using the same |
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| 61 | // version when re-indexing the layer node, as that can cause |
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| 62 | // issues. |
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| 63 | void setStartVersion(quint32 startVersion) |
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| 64 | { |
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| 65 | m_startVersion = startVersion; |
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| 66 | } |
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| 67 | |
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| 68 | [[nodiscard]] quint32 startVersion() const |
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| 69 | { |
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| 70 | return m_startVersion; |
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| 71 | } |
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| 72 | |
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| 73 | [[nodiscard]] static QSSGRenderRoot *get(QSSGRenderRoot **ref) |
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| 74 | { |
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| 75 | return (ref && *ref) ? *ref : nullptr; |
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| 76 | } |
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| 77 | |
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| 78 | void reindex(); |
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| 79 | |
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| 80 | private: |
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| 81 | QSSGRenderRoot *self = this; |
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| 82 | quint32 m_startVersion = 0; |
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| 83 | std::shared_ptr<QSSGGlobalRenderNodeData> m_gnd; |
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| 84 | FlagT m_rootDirtyFlags = FlagT(DirtyFlag::TreeDirty); |
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| 85 | }; |
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| 86 | |
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| 87 | QT_END_NAMESPACE |
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| 88 | |
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| 89 | #endif // QSSGRENDERROOT_P_H |
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| 90 | |
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