1 files changed, 91 insertions, 0 deletions
diff --git a/src/plugins/platforms/xcb/qxcbsharedgraphicscache.h b/src/plugins/platforms/xcb/qxcbsharedgraphicscache.h
new file mode 100644
index 0000000000..2b37c334b7
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+++ b/src/plugins/platforms/xcb/qxcbsharedgraphicscache.h
@@ -0,0 +1,91 @@
+/****************************************************************************
+**
+** 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 plugins 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 QXCBSHAREDGRAPHICSCACHE
+#define QXCBSHAREDGRAPHICSCACHE
+
+#if defined(QT_USE_XCB_SHARED_GRAPHICS_CACHE)
+
+#include <QtGui/qplatformsharedgraphicscache_qpa.h>
+
+QT_BEGIN_HEADER
+
+QT_BEGIN_NAMESPACE
+
+class QXcbSharedBufferManager;
+class QXcbSharedGraphicsCache : public QPlatformSharedGraphicsCache
+{
+    Q_OBJECT
+public:
+    explicit QXcbSharedGraphicsCache(QObject *parent = 0);
+
+    virtual void ensureCacheInitialized(const QByteArray &cacheId, BufferType bufferType,
+                                        PixelFormat pixelFormat);
+
+    virtual void requestItems(const QByteArray &cacheId, const QVector<quint32> &itemIds);
+    virtual void insertItems(const QByteArray &cacheId,
+                             const QVector<quint32> &itemIds,
+                             const QVector<QImage> &items);
+    virtual void releaseItems(const QByteArray &cacheId, const QVector<quint32> &itemIds);
+
+    virtual void serializeBuffer(void *bufferId, QByteArray *serializedData, int *fileDescriptor) const;
+    virtual uint textureIdForBuffer(void *bufferId);
+    virtual void referenceBuffer(void *bufferId);
+    virtual bool dereferenceBuffer(void *bufferId);
+
+private:
+    struct ReadyItem {
+        QVector<quint32> itemIds;
+        QVector<QPoint> positions;
+    };
+
+    void processPendingItems();
+
+    QXcbSharedBufferManager *m_bufferManager;
+};
+
+QT_END_NAMESPACE
+
+QT_END_HEADER
+
+#endif // QT_USE_XCB_SHARED_GRAPHICS_CACHE
+
+#endif // QXCBSHAREDGRAPHICSCACHE