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// Copyright (C) 2025 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only
// Qt-Security score:significant reason:default
#ifndef QSSGLIGHTMAPIO_H
#define QSSGLIGHTMAPIO_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 "qtquick3druntimerenderexports.h"
#include <QByteArray>
#include <QMap>
#include <QSharedPointer>
#include <QIODevice>
#include <QVariantMap>
QT_BEGIN_NAMESPACE
struct QSSGLoadedTexture;
struct QSSGRenderTextureFormat;
enum class QSSGLightmapIODataTag : quint32 {
Unset = 0,
Mask,
Texture_Final,
Texture_Direct,
Texture_Indirect,
Metadata,
Mesh,
SceneMetadata,
OriginalScale,
// ...
Count
};
struct Q_QUICK3DRUNTIMERENDER_EXPORT QSSGLightmapLoader
{
~QSSGLightmapLoader();
static QSharedPointer<QSSGLightmapLoader> open(const QSharedPointer<QIODevice> &stream);
static QSharedPointer<QSSGLightmapLoader> open(const QString &path);
QByteArray readF32Image(const QString &key, QSSGLightmapIODataTag tag) const;
QByteArray readU32Image(const QString &key, QSSGLightmapIODataTag tag) const;
QByteArray readData(const QString &key, QSSGLightmapIODataTag tag) const;
QVariantMap readMap(const QString &key, QSSGLightmapIODataTag tag) const;
QList<std::pair<QString, QSSGLightmapIODataTag>> getKeys() const;
static QSSGLoadedTexture *createTexture(QSharedPointer<QIODevice> stream, const QSSGRenderTextureFormat &format, const QString &key);
private:
QSSGLightmapLoader();
Q_DISABLE_COPY(QSSGLightmapLoader)
struct QSSGLightmapIOPrivate *d = nullptr;
};
struct Q_QUICK3DRUNTIMERENDER_EXPORT QSSGLightmapWriter
{
~QSSGLightmapWriter();
static QSharedPointer<QSSGLightmapWriter> open(const QSharedPointer<QIODevice> &stream);
static QSharedPointer<QSSGLightmapWriter> open(const QString &path);
bool writeF32Image(const QString &key, QSSGLightmapIODataTag tag, const QByteArray &imageFP32);
bool writeU32Image(const QString &key, QSSGLightmapIODataTag tag, const QByteArray &imageU32);
bool writeData(const QString &key, QSSGLightmapIODataTag tag, const QByteArray &buffer);
bool writeMap(const QString &key, QSSGLightmapIODataTag tag, const QVariantMap &data);
bool close() const;
private:
Q_DISABLE_COPY(QSSGLightmapWriter)
QSSGLightmapWriter();
struct QSSGLightmapIOPrivate *d = nullptr;
};
QT_END_NAMESPACE
#endif // QSSGLIGHTMAPIO_H