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/****************************************************************************
**
** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
** All rights reserved.
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** This file is part of the QtOpenCL module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** No Commercial Usage
** This file contains pre-release code and may not be distributed.
** You may use this file in accordance with the terms and conditions
** contained in the Technology Preview License Agreement accompanying
** this package.
**
** GNU Lesser General Public License Usage
** Alternatively, 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.
**
** If you have questions regarding the use of this file, please contact
** Nokia at qt-info@nokia.com.
**
**
**
**
**
**
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef QCLMEMORYOBJECT_H
#define QCLMEMORYOBJECT_H
#include "qclevent.h"
QT_BEGIN_HEADER
QT_BEGIN_NAMESPACE
QT_MODULE(CL)
class QCLContext;
class Q_CL_EXPORT QCLMemoryObject
{
protected:
QCLMemoryObject(QCLContext *context = 0) : m_context(context), m_id(0) {}
QCLMemoryObject(QCLContext *context, cl_mem id)
: m_context(context), m_id(id) {}
~QCLMemoryObject();
public:
enum Access
{
ReadWrite = 0x0001,
WriteOnly = 0x0002,
ReadOnly = 0x0004
};
bool isNull() const { return m_id == 0; }
cl_mem memoryId() const { return m_id; }
QCLContext *context() const { return m_context; }
QCLMemoryObject::Access access() const;
cl_mem_flags flags() const;
void *hostPointer() const;
size_t size() const;
void unmap(void *ptr);
QCLEvent unmapAsync
(void *ptr, const QCLEventList &after = QCLEventList());
bool operator==(const QCLMemoryObject &other) const;
bool operator!=(const QCLMemoryObject &other) const;
protected:
void setId(QCLContext *context, cl_mem id);
private:
QCLContext *m_context;
cl_mem m_id;
Q_DISABLE_COPY(QCLMemoryObject)
};
inline QCLMemoryObject::~QCLMemoryObject()
{
if (m_id)
clReleaseMemObject(m_id);
}
inline bool QCLMemoryObject::operator==(const QCLMemoryObject &other) const
{
return m_id == other.m_id;
}
inline bool QCLMemoryObject::operator!=(const QCLMemoryObject &other) const
{
return m_id != other.m_id;
}
inline void QCLMemoryObject::setId(QCLContext *context, cl_mem id)
{
m_context = context;
if (id)
clRetainMemObject(id);
if (m_id)
clReleaseMemObject(m_id);
m_id = id;
}
QT_END_NAMESPACE
QT_END_HEADER
#endif
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