1 files changed, 97 insertions, 0 deletions
diff --git a/src/gui/kernel/qplatformsharedgraphicscache_qpa.h b/src/gui/kernel/qplatformsharedgraphicscache_qpa.h
new file mode 100644
index 0000000000..a0661c0ba7
--- /dev/null
+++ b/src/gui/kernel/qplatformsharedgraphicscache_qpa.h
@@ -0,0 +1,97 @@
+/****************************************************************************
+**
+** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** 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
+
+#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
+    };
+
+    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 void serializeBuffer(void *bufferId, QByteArray *serializedData, int *fileDescriptor) const = 0;
+    virtual uint textureIdForBuffer(void *bufferId) = 0;
+    virtual void referenceBuffer(void *bufferId) = 0;
+    virtual bool dereferenceBuffer(void *bufferId) = 0;
+
+Q_SIGNALS:
+    void itemsMissing(const QByteArray &cacheId, const QVector<quint32> &itemIds);
+    void itemsAvailable(const QByteArray &cacheId, void *bufferId, const QSize &bufferSize,
+                        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 QSize &bufferSize,
+                      const QVector<quint32> &itemIds, const QVector<QPoint> &positionsInBuffer);
+};
+
+QT_END_NAMESPACE
+
+QT_END_HEADER
+
+#endif // QPLATFORMSHAREDGRAPHICSCACHE_QPA_H