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| |
| #ifndef QPLATFORMSHAREDGRAPHICSCACHE_H |
| #define QPLATFORMSHAREDGRAPHICSCACHE_H |
| |
| // |
| // W A R N I N G |
| // ------------- |
| // |
| // This file is part of the QPA API and is not meant to be used |
| // in applications. Usage of this API may make your code |
| // source and binary incompatible with future versions of Qt. |
| // |
| |
| #include <QtCore/qobject.h> |
| #include <QtGui/qimage.h> |
| |
| QT_BEGIN_NAMESPACE |
| |
| class Q_GUI_EXPORT QPlatformSharedGraphicsCache: public QObject |
| { |
| Q_OBJECT |
| public: |
| enum PixelFormat |
| { |
| Alpha8 |
| }; |
| |
| enum BufferType |
| { |
| OpenGLTexture |
| }; |
| |
| explicit QPlatformSharedGraphicsCache(QObject *parent = 0) : QObject(parent) {} |
| |
| virtual void beginRequestBatch() = 0; |
| virtual void ensureCacheInitialized(const QByteArray &cacheId, BufferType bufferType, |
| PixelFormat pixelFormat) = 0; |
| virtual void requestItems(const QByteArray &cacheId, const QVector<quint32> &itemIds) = 0; |
| virtual void insertItems(const QByteArray &cacheId, |
| const QVector<quint32> &itemIds, |
| const QVector<QImage> &items) = 0; |
| virtual void releaseItems(const QByteArray &cacheId, const QVector<quint32> &itemIds) = 0; |
| virtual void endRequestBatch() = 0; |
| |
| virtual bool requestBatchStarted() const = 0; |
| |
| virtual uint textureIdForBuffer(void *bufferId) = 0; |
| virtual void referenceBuffer(void *bufferId) = 0; |
| virtual bool dereferenceBuffer(void *bufferId) = 0; |
| virtual QSize sizeOfBuffer(void *bufferId) = 0; |
| virtual void *eglImageForBuffer(void *bufferId) = 0; |
| |
| Q_SIGNALS: |
| void itemsMissing(const QByteArray &cacheId, const QVector<quint32> &itemIds); |
| void itemsAvailable(const QByteArray &cacheId, void *bufferId, |
| const QVector<quint32> &itemIds, const QVector<QPoint> &positionsInBuffer); |
| void itemsInvalidated(const QByteArray &cacheId, const QVector<quint32> &itemIds); |
| void itemsUpdated(const QByteArray &cacheId, void *bufferId, |
| const QVector<quint32> &itemIds, const QVector<QPoint> &positionsInBuffer); |
| }; |
| |
| QT_END_NAMESPACE |
| |
| #endif // QPLATFORMSHAREDGRAPHICSCACHE_H |