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39
40#ifndef QT3DRENDER_TEXTUREDATA_P_H
41#define QT3DRENDER_TEXTUREDATA_P_H
42
43//
44// W A R N I N G
45// -------------
46//
47// This file is not part of the Qt API. It exists for the convenience
48// of other Qt classes. This header file may change from version to
49// version without notice, or even be removed.
50//
51// We mean it.
52//
53
54#include "qtextureimagedata.h"
55#include <Qt3DRender/private/qt3drender_global_p.h>
56#include <functional>
57
58QT_BEGIN_NAMESPACE
59
60namespace Qt3DRender {
61
62class Q_3DRENDERSHARED_PRIVATE_EXPORT QTextureImageDataPrivate
63{
64public:
65 QTextureImageDataPrivate();
66
67 void setData(const QByteArray &data, int blockSize, bool isCompressed);
68 void setData(const QByteArray &data,
69 std::function<QByteArray(QByteArray, int, int, int)> dataExtractor,
70 bool isCompressed);
71
72 bool setCompressedFile(const QString &source);
73
74 QByteArray data(int layer, int face, int mipmapLevel) const;
75
76 int m_width;
77 int m_height;
78 int m_depth;
79 int m_layers;
80 int m_faces;
81 int m_mipLevels;
82 int m_blockSize;
83 int m_alignment;
84
85 QOpenGLTexture::Target m_target;
86 QOpenGLTexture::TextureFormat m_format;
87 QOpenGLTexture::PixelFormat m_pixelFormat;
88 QOpenGLTexture::PixelType m_pixelType;
89
90 bool m_isCompressed;
91 // ### Qt 6
92 // QTextureImageData was originally written with assumptions around the internal data format
93 // matching dds layout. This is an ugly, but easy, way to add basic ktx support without any
94 // public API changes. Consider https://codereview.qt-project.org/#/c/178474/ for Qt 6.
95 bool m_isKtx;
96 QByteArray m_data;
97 std::function<QByteArray(QByteArray rawData, int layer, int face, int mipmapLevel)> m_dataExtractor;
98
99 static QTextureImageDataPrivate *get(QTextureImageData *imageData);
100
101private:
102 int ddsLayerSize() const;
103 int ddsFaceSize() const;
104 int mipmapLevelSize(int level) const;
105 QByteArray ktxData(int layer, int face, int mipmapLevel) const;
106};
107
108} // namespace Qt3DRender
109
110
111QT_END_NAMESPACE
112
113#endif // QT3DRENDER_TEXTUREDATA_P_H
114

source code of qt3d/src/render/texture/qtextureimagedata_p.h