| 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 QSSGLIGHTMAPIO_H |
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| 5 | #define QSSGLIGHTMAPIO_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 "qtquick3druntimerenderexports.h" |
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| 19 | |
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| 20 | #include <QByteArray> |
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| 21 | #include <QMap> |
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| 22 | #include <QSharedPointer> |
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| 23 | #include <QIODevice> |
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| 24 | #include <QVariantMap> |
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| 25 | |
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| 26 | QT_BEGIN_NAMESPACE |
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| 27 | |
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| 28 | struct QSSGLoadedTexture; |
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| 29 | struct QSSGRenderTextureFormat; |
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| 30 | |
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| 31 | enum class QSSGLightmapIODataTag : quint32 { |
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| 32 | Unset = 0, |
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| 33 | Mask, |
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| 34 | Texture_Final, |
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| 35 | Texture_Direct, |
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| 36 | Texture_Indirect, |
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| 37 | Metadata, |
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| 38 | Mesh, |
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| 39 | // ... |
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| 40 | Count |
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| 41 | }; |
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| 42 | |
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| 43 | struct Q_QUICK3DRUNTIMERENDER_EXPORT QSSGLightmapLoader |
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| 44 | { |
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| 45 | ~QSSGLightmapLoader(); |
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| 46 | |
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| 47 | static QSharedPointer<QSSGLightmapLoader> open(const QSharedPointer<QIODevice> &stream); |
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| 48 | static QSharedPointer<QSSGLightmapLoader> open(const QString &path); |
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| 49 | |
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| 50 | QByteArray readF32Image(const QString &key, QSSGLightmapIODataTag tag) const; |
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| 51 | QByteArray readU32Image(const QString &key, QSSGLightmapIODataTag tag) const; |
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| 52 | QByteArray readData(const QString &key, QSSGLightmapIODataTag tag) const; |
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| 53 | QVariantMap readMetadata(const QString &key) const; |
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| 54 | |
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| 55 | QList<std::pair<QString, QSSGLightmapIODataTag>> getKeys() const; |
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| 56 | static QSSGLoadedTexture *createTexture(QSharedPointer<QIODevice> stream, const QSSGRenderTextureFormat &format, const QString &key); |
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| 57 | |
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| 58 | private: |
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| 59 | QSSGLightmapLoader(); |
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| 60 | Q_DISABLE_COPY(QSSGLightmapLoader) |
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| 61 | |
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| 62 | struct QSSGLightmapIOPrivate *d = nullptr; |
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| 63 | }; |
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| 64 | |
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| 65 | struct Q_QUICK3DRUNTIMERENDER_EXPORT QSSGLightmapWriter |
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| 66 | { |
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| 67 | ~QSSGLightmapWriter(); |
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| 68 | |
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| 69 | static QSharedPointer<QSSGLightmapWriter> open(const QSharedPointer<QIODevice> &stream); |
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| 70 | static QSharedPointer<QSSGLightmapWriter> open(const QString &path); |
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| 71 | |
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| 72 | bool writeF32Image(const QString &key, QSSGLightmapIODataTag tag, const QByteArray &imageFP32); |
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| 73 | bool writeU32Image(const QString &key, QSSGLightmapIODataTag tag, const QByteArray &imageU32); |
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| 74 | bool writeData(const QString &key, QSSGLightmapIODataTag tag, const QByteArray &buffer); |
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| 75 | bool writeMetadata(const QString &key, const QVariantMap &metadata); |
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| 76 | |
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| 77 | bool close() const; |
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| 78 | |
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| 79 | private: |
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| 80 | Q_DISABLE_COPY(QSSGLightmapWriter) |
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| 81 | QSSGLightmapWriter(); |
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| 82 | |
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| 83 | struct QSSGLightmapIOPrivate *d = nullptr; |
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| 84 | }; |
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| 85 | |
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| 86 | QT_END_NAMESPACE |
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| 87 | |
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| 88 | #endif // QSSGLIGHTMAPIO_H |
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| 89 | |
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