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42 #ifndef QSGSHAREDDISTANCEFIELDGLYPHCACHE_H
43 #define QSGSHAREDDISTANCEFIELDGLYPHCACHE_H
45 #include <QtCore/qwaitcondition.h>
46 #include <private/qsgadaptationlayer_p.h>
52 class QPlatformSharedGraphicsCache;
53 class QSGSharedDistanceFieldGlyphCache : public QObject, public QSGDistanceFieldGlyphCache
57 explicit QSGSharedDistanceFieldGlyphCache(const QByteArray &cacheId,
58 QPlatformSharedGraphicsCache *sharedGraphicsCache,
59 QSGDistanceFieldGlyphCacheManager *man,
61 const QRawFont &font);
62 ~QSGSharedDistanceFieldGlyphCache();
64 void registerOwnerElement(QQuickItem *ownerElement);
65 void unregisterOwnerElement(QQuickItem *ownerElement);
66 void processPendingGlyphs();
68 void requestGlyphs(const QSet<glyph_t> &glyphs);
69 void referenceGlyphs(const QSet<glyph_t> &glyphs);
70 void storeGlyphs(const QHash<glyph_t, QImage> &glyphs);
71 void releaseGlyphs(const QSet<glyph_t> &glyphs);
77 void reportItemsMissing(const QByteArray &cacheId, const QVector<quint32> &itemIds);
78 void reportItemsAvailable(const QByteArray &cacheId,
79 void *bufferId, const QSize &bufferSize,
80 const QVector<quint32> &itemIds, const QVector<QPoint> &positions);
81 void reportItemsInvalidated(const QByteArray &cacheId, const QVector<quint32> &itemIds);
85 void saveTexture(GLuint textureId, int width, int height);
87 QSet<quint32> m_requestedGlyphsThatHaveNotBeenReturned;
88 QWaitCondition m_pendingGlyphsCondition;
90 QPlatformSharedGraphicsCache *m_sharedGraphicsCache;
91 QMutex m_pendingGlyphsMutex;
93 QSet<glyph_t> m_pendingInvalidatedGlyphs;
94 QSet<glyph_t> m_pendingMissingGlyphs;
98 PendingGlyph() : buffer(0) {}
105 QHash<quint32, PendingGlyph> m_pendingReadyGlyphs;
106 QHash<glyph_t, void *> m_bufferForGlyph;
113 #endif // QSGSHAREDDISTANCEFIELDGLYPHCACHE_H