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39
40#ifndef QSGTEXTURE_H
41#define QSGTEXTURE_H
42
43#include <QtQuick/qtquickglobal.h>
44#include <QtCore/QObject>
45#include <QtGui/QImage>
46
47QT_BEGIN_NAMESPACE
48
49class QSGTexturePrivate;
50class QRhi;
51class QRhiTexture;
52class QRhiResourceUpdateBatch;
53
54class Q_QUICK_EXPORT QSGTexture : public QObject
55{
56 Q_OBJECT
57 Q_DECLARE_PRIVATE(QSGTexture)
58
59public:
60 QSGTexture();
61 ~QSGTexture() override;
62
63 enum WrapMode {
64 Repeat,
65 ClampToEdge,
66 MirroredRepeat
67 };
68
69 enum Filtering {
70 None,
71 Nearest,
72 Linear
73 };
74
75 enum AnisotropyLevel {
76 AnisotropyNone,
77 Anisotropy2x,
78 Anisotropy4x,
79 Anisotropy8x,
80 Anisotropy16x
81 };
82
83 struct NativeTexture {
84 const void *object;
85 int layout;
86 };
87
88 virtual int textureId() const = 0; // ### Qt 6: remove
89 NativeTexture nativeTexture() const;
90 virtual QSize textureSize() const = 0;
91 virtual bool hasAlphaChannel() const = 0;
92 virtual bool hasMipmaps() const = 0;
93
94 virtual QRectF normalizedTextureSubRect() const;
95
96 virtual bool isAtlasTexture() const;
97
98 virtual QSGTexture *removedFromAtlas() const;
99
100 virtual void bind() = 0;
101 void updateBindOptions(bool force = false);
102
103 void setMipmapFiltering(Filtering filter);
104 QSGTexture::Filtering mipmapFiltering() const;
105
106 void setFiltering(Filtering filter);
107 QSGTexture::Filtering filtering() const;
108
109 void setAnisotropyLevel(AnisotropyLevel level);
110 QSGTexture::AnisotropyLevel anisotropyLevel() const;
111
112 void setHorizontalWrapMode(WrapMode hwrap);
113 QSGTexture::WrapMode horizontalWrapMode() const;
114
115 void setVerticalWrapMode(WrapMode vwrap);
116 QSGTexture::WrapMode verticalWrapMode() const;
117
118 inline QRectF convertToNormalizedSourceRect(const QRectF &rect) const;
119
120 // ### Qt 6: make these virtual
121 int comparisonKey() const;
122 void updateRhiTexture(QRhi *rhi, QRhiResourceUpdateBatch *resourceUpdates);
123
124 // ### Qt 6: make this an argument for removedFromAtlas()
125 void setWorkResourceUpdateBatch(QRhiResourceUpdateBatch *resourceUpdates);
126
127protected:
128 QSGTexture(QSGTexturePrivate &dd);
129};
130
131QRectF QSGTexture::convertToNormalizedSourceRect(const QRectF &rect) const
132{
133 QSize s = textureSize();
134 QRectF r = normalizedTextureSubRect();
135
136 qreal sx = r.width() / s.width();
137 qreal sy = r.height() / s.height();
138
139 return QRectF(r.x() + rect.x() * sx,
140 r.y() + rect.y() * sy,
141 rect.width() * sx,
142 rect.height() * sy);
143}
144
145class Q_QUICK_EXPORT QSGDynamicTexture : public QSGTexture
146{
147 Q_OBJECT
148
149public:
150 QSGDynamicTexture() = default;
151 virtual bool updateTexture() = 0;
152
153protected:
154 QSGDynamicTexture(QSGTexturePrivate &dd);
155};
156
157QT_END_NAMESPACE
158
159#endif
160

source code of qtdeclarative/src/quick/scenegraph/coreapi/qsgtexture.h