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// Copyright (C) 2014 Klaralvdalens Datakonsult AB (KDAB).
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
#ifndef QT3DRENDER_TEXTUREDATA_P_H
#define QT3DRENDER_TEXTUREDATA_P_H
//
// W A R N I N G
// -------------
//
// This file is not part of the Qt API. It exists for the convenience
// of other Qt classes. This header file may change from version to
// version without notice, or even be removed.
//
// We mean it.
//
#include "qtextureimagedata.h"
#include <Qt3DRender/private/qt3drender_global_p.h>
#include <functional>
QT_BEGIN_NAMESPACE
namespace Qt3DRender {
class Q_3DRENDERSHARED_PRIVATE_EXPORT QTextureImageDataPrivate
{
public:
QTextureImageDataPrivate();
void setData(const QByteArray &data, int blockSize, bool isCompressed);
void setData(const QByteArray &data,
std::function<QByteArray(QByteArray, int, int, int)> dataExtractor,
bool isCompressed);
bool setCompressedFile(const QString &source);
QByteArray data(int layer, int face, int mipmapLevel) const;
int m_width;
int m_height;
int m_depth;
int m_layers;
int m_faces;
int m_mipLevels;
int m_blockSize;
int m_alignment;
QOpenGLTexture::Target m_target;
QOpenGLTexture::TextureFormat m_format;
QOpenGLTexture::PixelFormat m_pixelFormat;
QOpenGLTexture::PixelType m_pixelType;
bool m_isCompressed;
// ### Qt 6
// QTextureImageData was originally written with assumptions around the internal data format
// matching dds layout. This is an ugly, but easy, way to add basic ktx support without any
// public API changes. Consider https://codereview.qt-project.org/#/c/178474/ for Qt 6.
bool m_isKtx;
QByteArray m_data;
std::function<QByteArray(QByteArray rawData, int layer, int face, int mipmapLevel)> m_dataExtractor;
static QTextureImageDataPrivate *get(QTextureImageData *imageData);
private:
int ddsLayerSize() const;
int ddsFaceSize() const;
int mipmapLevelSize(int level) const;
QByteArray ktxData(int layer, int face, int mipmapLevel) const;
};
} // namespace Qt3DRender
QT_END_NAMESPACE
#endif // QT3DRENDER_TEXTUREDATA_P_H
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