| 1 | // Copyright (C) 2017 The Qt Company Ltd. |
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| 2 | // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only |
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| 3 | |
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| 4 | #ifndef QSGCOMPRESSEDTEXTURE_P_H |
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| 5 | #define QSGCOMPRESSEDTEXTURE_P_H |
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| 6 | |
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| 7 | // |
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| 8 | // W A R N I N G |
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| 9 | // ------------- |
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| 10 | // |
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| 11 | // This file is not part of the Qt API. It exists purely as an |
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| 12 | // implementation detail. This header file may change from version to |
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| 13 | // version without notice, or even be removed. |
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| 14 | // |
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| 15 | // We mean it. |
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| 16 | // |
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| 17 | |
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| 18 | #include <private/qtexturefiledata_p.h> |
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| 19 | #include <private/qsgcontext_p.h> |
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| 20 | #include <private/qsgtexture_p.h> |
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| 21 | #include <rhi/qrhi.h> |
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| 22 | #include <QQuickTextureFactory> |
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| 23 | #include <QOpenGLFunctions> |
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| 24 | |
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| 25 | QT_BEGIN_NAMESPACE |
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| 26 | |
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| 27 | Q_DECLARE_LOGGING_CATEGORY(QSG_LOG_TEXTUREIO); |
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| 28 | |
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| 29 | class Q_QUICK_EXPORT QSGCompressedTexture : public QSGTexture |
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| 30 | { |
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| 31 | Q_OBJECT |
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| 32 | public: |
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| 33 | QSGCompressedTexture(const QTextureFileData& texData); |
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| 34 | virtual ~QSGCompressedTexture(); |
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| 35 | |
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| 36 | QSize textureSize() const override; |
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| 37 | bool hasAlphaChannel() const override; |
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| 38 | bool hasMipmaps() const override; |
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| 39 | |
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| 40 | qint64 comparisonKey() const override; |
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| 41 | QRhiTexture *rhiTexture() const override; |
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| 42 | void commitTextureOperations(QRhi *rhi, QRhiResourceUpdateBatch *resourceUpdates) override; |
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| 43 | |
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| 44 | QTextureFileData textureData() const; |
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| 45 | |
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| 46 | struct FormatInfo |
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| 47 | { |
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| 48 | QRhiTexture::Format rhiFormat; |
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| 49 | bool isSRGB; |
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| 50 | }; |
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| 51 | static FormatInfo formatInfo(quint32 glTextureFormat); |
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| 52 | static bool formatIsOpaque(quint32 glTextureFormat); |
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| 53 | |
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| 54 | protected: |
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| 55 | QTextureFileData m_textureData; |
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| 56 | QSize m_size; |
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| 57 | QRhiTexture *m_texture = nullptr; |
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| 58 | bool m_hasAlpha = false; |
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| 59 | bool m_uploaded = false; |
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| 60 | }; |
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| 61 | |
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| 62 | namespace QSGOpenGLAtlasTexture { |
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| 63 | class Manager; |
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| 64 | } |
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| 65 | |
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| 66 | class Q_QUICK_EXPORT QSGCompressedTextureFactory : public QQuickTextureFactory |
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| 67 | { |
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| 68 | public: |
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| 69 | QSGCompressedTextureFactory(const QTextureFileData& texData); |
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| 70 | QSGTexture *createTexture(QQuickWindow *) const override; |
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| 71 | int textureByteCount() const override; |
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| 72 | QSize textureSize() const override; |
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| 73 | |
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| 74 | const QTextureFileData *textureData() const { return &m_textureData; } |
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| 75 | |
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| 76 | protected: |
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| 77 | QTextureFileData m_textureData; |
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| 78 | }; |
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| 79 | |
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| 80 | QT_END_NAMESPACE |
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| 81 | |
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| 82 | #endif // QSGCOMPRESSEDTEXTURE_P_H |
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| 83 | |
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