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| 2 | ** |
| 3 | ** Copyright (C) 2017 The Qt Company Ltd. |
| 4 | ** Contact: https://www.qt.io/licensing/ |
| 5 | ** |
| 6 | ** This file is part of the QtQuick module of the Qt Toolkit. |
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| 8 | ** $QT_BEGIN_LICENSE:LGPL$ |
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| 17 | ** GNU Lesser General Public License Usage |
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| 24 | ** |
| 25 | ** GNU General Public License Usage |
| 26 | ** Alternatively, this file may be used under the terms of the GNU |
| 27 | ** General Public License version 2.0 or (at your option) the GNU General |
| 28 | ** Public license version 3 or any later version approved by the KDE Free |
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| 39 | |
| 40 | #ifndef QSGCOMPRESSEDTEXTURE_P_H |
| 41 | #define QSGCOMPRESSEDTEXTURE_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 purely as an |
| 48 | // implementation detail. 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 <private/qtexturefiledata_p.h> |
| 55 | #include <private/qsgcontext_p.h> |
| 56 | #include <private/qsgtexture_p.h> |
| 57 | #include <QQuickTextureFactory> |
| 58 | #include <QOpenGLFunctions> |
| 59 | |
| 60 | QT_BEGIN_NAMESPACE |
| 61 | |
| 62 | class QSGCompressedTexturePrivate; |
| 63 | |
| 64 | class Q_QUICK_PRIVATE_EXPORT QSGCompressedTexture : public QSGTexture |
| 65 | { |
| 66 | Q_DECLARE_PRIVATE(QSGCompressedTexture) |
| 67 | Q_OBJECT |
| 68 | public: |
| 69 | QSGCompressedTexture(const QTextureFileData& texData); |
| 70 | virtual ~QSGCompressedTexture(); |
| 71 | |
| 72 | QSize textureSize() const override; |
| 73 | bool hasAlphaChannel() const override; |
| 74 | bool hasMipmaps() const override; |
| 75 | |
| 76 | int textureId() const override; |
| 77 | void bind() override; |
| 78 | |
| 79 | QTextureFileData textureData() const; |
| 80 | |
| 81 | static bool formatIsOpaque(quint32 glTextureFormat); |
| 82 | |
| 83 | protected: |
| 84 | QTextureFileData m_textureData; |
| 85 | QSize m_size; |
| 86 | mutable uint m_textureId = 0; |
| 87 | QRhiTexture *m_texture = nullptr; |
| 88 | bool m_hasAlpha = false; |
| 89 | bool m_uploaded = false; |
| 90 | }; |
| 91 | |
| 92 | namespace QSGOpenGLAtlasTexture { |
| 93 | class Manager; |
| 94 | } |
| 95 | |
| 96 | class QSGCompressedTexturePrivate : public QSGTexturePrivate |
| 97 | { |
| 98 | Q_DECLARE_PUBLIC(QSGCompressedTexture) |
| 99 | public: |
| 100 | int comparisonKey() const override; |
| 101 | QRhiTexture *rhiTexture() const override; |
| 102 | void updateRhiTexture(QRhi *rhi, QRhiResourceUpdateBatch *resourceUpdates) override; |
| 103 | }; |
| 104 | |
| 105 | class Q_QUICK_PRIVATE_EXPORT QSGCompressedTextureFactory : public QQuickTextureFactory |
| 106 | { |
| 107 | public: |
| 108 | QSGCompressedTextureFactory(const QTextureFileData& texData); |
| 109 | QSGTexture *createTexture(QQuickWindow *) const override; |
| 110 | int textureByteCount() const override; |
| 111 | QSize textureSize() const override; |
| 112 | |
| 113 | protected: |
| 114 | QTextureFileData m_textureData; |
| 115 | |
| 116 | private: |
| 117 | friend class QSGOpenGLAtlasTexture::Manager; |
| 118 | }; |
| 119 | |
| 120 | QT_END_NAMESPACE |
| 121 | |
| 122 | #endif // QSGCOMPRESSEDTEXTURE_P_H |
| 123 |