110 lines
3.8 KiB
C++
110 lines
3.8 KiB
C++
/****************************************************************************
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**
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** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
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** Contact: http://www.qt-project.org/
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**
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** This file is part of the QtGui module of the Qt Toolkit.
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**
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** $QT_BEGIN_LICENSE:LGPL$
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** GNU Lesser General Public License Usage
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** This file may be used under the terms of the GNU Lesser General Public
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** License version 2.1 as published by the Free Software Foundation and
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** appearing in the file LICENSE.LGPL included in the packaging of this
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** file. Please review the following information to ensure the GNU Lesser
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** General Public License version 2.1 requirements will be met:
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** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
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**
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** In addition, as a special exception, Nokia gives you certain additional
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** rights. These rights are described in the Nokia Qt LGPL Exception
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** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
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**
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** GNU General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU General
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** Public License version 3.0 as published by the Free Software Foundation
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** and appearing in the file LICENSE.GPL included in the packaging of this
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** file. Please review the following information to ensure the GNU General
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** Public License version 3.0 requirements will be met:
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** http://www.gnu.org/copyleft/gpl.html.
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**
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** Other Usage
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** Alternatively, this file may be used in accordance with the terms and
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** conditions contained in a signed written agreement between you and Nokia.
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**
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**
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**
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**
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**
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**
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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#ifndef QPLATFORMSHAREDGRAPHICSCACHE_QPA_H
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#define QPLATFORMSHAREDGRAPHICSCACHE_QPA_H
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//
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// W A R N I N G
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// -------------
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//
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// This file is not part of the Qt API. It exists purely as an
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// implementation detail. This header file may change from version to
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// version without notice, or even be removed.
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//
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// We mean it.
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//
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#include <QtCore/qobject.h>
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#include <QtGui/qimage.h>
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QT_BEGIN_HEADER
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QT_BEGIN_NAMESPACE
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QT_MODULE(Gui)
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class Q_GUI_EXPORT QPlatformSharedGraphicsCache: public QObject
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{
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Q_OBJECT
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public:
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enum PixelFormat
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{
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Alpha8
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};
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enum BufferType
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{
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OpenGLTexture
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};
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explicit QPlatformSharedGraphicsCache(QObject *parent = 0) : QObject(parent) {}
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Q_INVOKABLE virtual void ensureCacheInitialized(const QByteArray &cacheId, BufferType bufferType,
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PixelFormat pixelFormat) = 0;
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Q_INVOKABLE virtual void requestItems(const QByteArray &cacheId, const QVector<quint32> &itemIds) = 0;
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Q_INVOKABLE virtual void insertItems(const QByteArray &cacheId,
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const QVector<quint32> &itemIds,
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const QVector<QImage> &items) = 0;
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Q_INVOKABLE virtual void releaseItems(const QByteArray &cacheId, const QVector<quint32> &itemIds) = 0;
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virtual uint textureIdForBuffer(void *bufferId) = 0;
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virtual void referenceBuffer(void *bufferId) = 0;
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virtual bool dereferenceBuffer(void *bufferId) = 0;
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virtual QSize sizeOfBuffer(void *bufferId) = 0;
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virtual void *eglImageForBuffer(void *bufferId) = 0;
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Q_SIGNALS:
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void itemsMissing(const QByteArray &cacheId, const QVector<quint32> &itemIds);
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void itemsAvailable(const QByteArray &cacheId, void *bufferId,
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const QVector<quint32> &itemIds, const QVector<QPoint> &positionsInBuffer);
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void itemsInvalidated(const QByteArray &cacheId, const QVector<quint32> &itemIds);
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void itemsUpdated(const QByteArray &cacheId, void *bufferId,
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const QVector<quint32> &itemIds, const QVector<QPoint> &positionsInBuffer);
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};
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QT_END_NAMESPACE
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QT_END_HEADER
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#endif // QPLATFORMSHAREDGRAPHICSCACHE_QPA_H
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