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Diffstat (limited to 'src/gui/kernel/qplatformsharedgraphicscache.h')
-rw-r--r-- | src/gui/kernel/qplatformsharedgraphicscache.h | 109 |
1 files changed, 109 insertions, 0 deletions
diff --git a/src/gui/kernel/qplatformsharedgraphicscache.h b/src/gui/kernel/qplatformsharedgraphicscache.h new file mode 100644 index 0000000000..679b8ab7de --- /dev/null +++ b/src/gui/kernel/qplatformsharedgraphicscache.h @@ -0,0 +1,109 @@ +/**************************************************************************** +** +** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies). +** Contact: http://www.qt-project.org/ +** +** This file is part of the QtGui module of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL$ +** GNU Lesser General Public License Usage +** This file may be used under the terms of the GNU Lesser General Public +** License version 2.1 as published by the Free Software Foundation and +** appearing in the file LICENSE.LGPL included in the packaging of this +** file. Please review the following information to ensure the GNU Lesser +** General Public License version 2.1 requirements will be met: +** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. +** +** In addition, as a special exception, Nokia gives you certain additional +** rights. These rights are described in the Nokia Qt LGPL Exception +** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. +** +** GNU General Public License Usage +** Alternatively, this file may be used under the terms of the GNU General +** Public License version 3.0 as published by the Free Software Foundation +** and appearing in the file LICENSE.GPL included in the packaging of this +** file. Please review the following information to ensure the GNU General +** Public License version 3.0 requirements will be met: +** http://www.gnu.org/copyleft/gpl.html. +** +** Other Usage +** Alternatively, this file may be used in accordance with the terms and +** conditions contained in a signed written agreement between you and Nokia. +** +** +** +** +** +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#ifndef QPLATFORMSHAREDGRAPHICSCACHE_QPA_H +#define QPLATFORMSHAREDGRAPHICSCACHE_QPA_H + +// +// W A R N I N G +// ------------- +// +// This file is not part of the Qt API. It exists purely as an +// implementation detail. This header file may change from version to +// version without notice, or even be removed. +// +// We mean it. +// + +#include <QtCore/qobject.h> +#include <QtGui/qimage.h> + +QT_BEGIN_HEADER + +QT_BEGIN_NAMESPACE + +QT_MODULE(Gui) + +class Q_GUI_EXPORT QPlatformSharedGraphicsCache: public QObject +{ + Q_OBJECT +public: + enum PixelFormat + { + Alpha8 + }; + + enum BufferType + { + OpenGLTexture + }; + + explicit QPlatformSharedGraphicsCache(QObject *parent = 0) : QObject(parent) {} + + Q_INVOKABLE virtual void ensureCacheInitialized(const QByteArray &cacheId, BufferType bufferType, + PixelFormat pixelFormat) = 0; + + Q_INVOKABLE virtual void requestItems(const QByteArray &cacheId, const QVector<quint32> &itemIds) = 0; + Q_INVOKABLE virtual void insertItems(const QByteArray &cacheId, + const QVector<quint32> &itemIds, + const QVector<QImage> &items) = 0; + Q_INVOKABLE virtual void releaseItems(const QByteArray &cacheId, const QVector<quint32> &itemIds) = 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 + +QT_END_HEADER + +#endif // QPLATFORMSHAREDGRAPHICSCACHE_QPA_H |