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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 QCLVECTOR_H
#define QCLVECTOR_H
#include "qclbuffer.h"
#include <QtCore/qscopedpointer.h>
#include <QtCore/qvector.h>
QT_BEGIN_HEADER
QT_BEGIN_NAMESPACE
QT_MODULE(CL)
class QCLContext;
class QCLKernel;
class QCLVectorBasePrivate;
class Q_CL_EXPORT QCLVectorBase
{
protected:
QCLVectorBase(size_t elemSize);
QCLVectorBase(size_t elemSize, const QCLVectorBase &other);
~QCLVectorBase();
QCLVectorBasePrivate *d_ptr;
size_t m_elemSize;
size_t m_size;
mutable void *m_mapped;
void assign(const QCLVectorBase &other);
void create(QCLContext *context, int size, QCLMemoryObject::Access access);
void release();
void map();
void unmap() const;
void read(void *data, int count, int offset);
void write(const void *data, int count, int offset);
cl_mem memoryId() const;
QCLContext *context() const;
cl_mem kernelArg() const;
friend class QCLKernel;
};
template <typename T>
class QCLVector : public QCLVectorBase
{
public:
QCLVector();
QCLVector(const QCLVector<T> &other);
~QCLVector();
QCLVector<T> &operator=(const QCLVector<T> &other);
bool isNull() const;
void release();
inline bool isEmpty() const { return m_size == 0; }
inline int size() const { return m_size; }
T &operator[](int index);
const T &operator[](int index) const;
void read(T *data, int count, int offset = 0);
void write(const T *data, int count, int offset = 0);
void write(const QVector<T> &data, int offset = 0);
QCLContext *context() const;
QCLBuffer toBuffer() const;
private:
QCLVector(QCLContext *context, int size, QCLMemoryObject::Access access);
friend class QCLContext;
};
template <typename T>
Q_INLINE_TEMPLATE QCLVector<T>::QCLVector()
: QCLVectorBase(sizeof(T)) {}
template <typename T>
Q_INLINE_TEMPLATE QCLVector<T>::QCLVector
(QCLContext *context, int size, QCLMemoryObject::Access access)
: QCLVectorBase(sizeof(T))
{
QCLVectorBase::create(context, size, access);
}
template <typename T>
Q_INLINE_TEMPLATE QCLVector<T>::QCLVector(const QCLVector<T> &other)
: QCLVectorBase(sizeof(T), other)
{
}
template <typename T>
Q_INLINE_TEMPLATE QCLVector<T>::~QCLVector() {}
template <typename T>
QCLVector<T> &QCLVector<T>::operator=(const QCLVector<T> &other)
{
assign(other);
return *this;
}
template <typename T>
Q_INLINE_TEMPLATE bool QCLVector<T>::isNull() const
{
return d_ptr == 0;
}
template <typename T>
Q_INLINE_TEMPLATE void QCLVector<T>::release()
{
QCLVectorBase::release();
}
template <typename T>
Q_INLINE_TEMPLATE T &QCLVector<T>::operator[](int index)
{
Q_ASSERT_X(index >= 0 && index < int(m_size), "QCLVector<T>::operator[]",
"index out of range");
if (!m_mapped)
map();
return (reinterpret_cast<T *>(m_mapped))[index];
}
template <typename T>
Q_INLINE_TEMPLATE const T &QCLVector<T>::operator[](int index) const
{
Q_ASSERT_X(index >= 0 && index < int(m_size), "QCLVector<T>::operator[]",
"index out of range");
if (!m_mapped)
const_cast<QCLVector<T> *>(this)->map();
return (reinterpret_cast<T *>(m_mapped))[index];
}
template <typename T>
Q_INLINE_TEMPLATE void QCLVector<T>::write
(const T *data, int count, int offset)
{
Q_ASSERT(count >= 0 && offset >= 0 && (offset + count) <= int(m_size));
QCLVectorBase::write(data, count * sizeof(T), offset * sizeof(T));
}
template <typename T>
Q_INLINE_TEMPLATE void QCLVector<T>::read
(T *data, int count, int offset)
{
Q_ASSERT(count >= 0 && offset >= 0 && (offset + count) <= int(m_size));
QCLVectorBase::read(data, count * sizeof(T), offset * sizeof(T));
}
template <typename T>
Q_INLINE_TEMPLATE void QCLVector<T>::write
(const QVector<T> &data, int offset)
{
write(data.constData(), data.size(), offset);
}
template <typename T>
Q_INLINE_TEMPLATE QCLContext *QCLVector<T>::context() const
{
return QCLVectorBase::context();
}
template <typename T>
Q_INLINE_TEMPLATE QCLBuffer QCLVector<T>::toBuffer() const
{
cl_mem id = QCLVectorBase::memoryId();
if (id) {
clRetainMemObject(id);
return QCLBuffer(context(), id);
} else {
return QCLBuffer();
}
}
QT_END_NAMESPACE
QT_END_HEADER
#endif
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