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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 QCLDEVICE_H
#define QCLDEVICE_H
#include "qclplatform.h"
#include "qclworksize.h"
QT_BEGIN_HEADER
QT_BEGIN_NAMESPACE
QT_MODULE(CL)
class Q_CL_EXPORT QCLDevice
{
public:
QCLDevice() : m_id(0), m_flags(0) {}
QCLDevice(cl_device_id id) : m_id(id), m_flags(0) {}
enum DeviceType
{
Default = 0x00000001,
CPU = 0x00000002,
GPU = 0x00000004,
Accelerator = 0x00000008,
All = 0xFFFFFFFF
};
Q_DECLARE_FLAGS(DeviceTypes, DeviceType)
bool isNull() const { return m_id == 0; }
QCLDevice::DeviceTypes deviceType() const;
QCLPlatform platform() const;
uint vendorId() const;
bool isAvailable() const;
bool hasCompiler() const;
bool hasNativeKernels() const;
bool hasOutOfOrderExecution() const;
bool hasDouble() const;
bool hasHalfFloat() const;
bool hasErrorCorrectingMemory() const;
int computeUnits() const;
int clockFrequency() const;
int addressBits() const;
QSysInfo::Endian byteOrder() const;
QCLWorkSize maximumWorkItemSize() const;
size_t maximumWorkItemsPerGroup() const;
bool hasImage2D() const;
bool hasImage3D() const;
bool hasWritableImage3D() const;
QSize maximumImage2DSize() const;
QCLWorkSize maximumImage3DSize() const;
int maximumSamplers() const;
int maximumReadImages() const;
int maximumWriteImages() const;
int preferredCharVectorSize() const;
int preferredShortVectorSize() const;
int preferredIntVectorSize() const;
int preferredLongVectorSize() const;
int preferredFloatVectorSize() const;
int preferredDoubleVectorSize() const;
int preferredHalfFloatVectorSize() const;
enum FloatCapability
{
NotSupported = 0x0000,
Denorm = 0x0001,
InfinityNaN = 0x0002,
RoundNearest = 0x0004,
RoundZero = 0x0008,
RoundInfinity = 0x0010,
FusedMultiplyAdd = 0x0020
};
Q_DECLARE_FLAGS(FloatCapabilities, FloatCapability)
QCLDevice::FloatCapabilities floatCapabilities() const;
QCLDevice::FloatCapabilities doubleCapabilities() const;
QCLDevice::FloatCapabilities halfFloatCapabilities() const;
quint64 profilingTimerResolution() const;
enum CacheType
{
NoCache = 0,
ReadOnlyCache = 1,
ReadWriteCache = 2
};
quint64 maximumAllocationSize() const;
quint64 globalMemorySize() const;
QCLDevice::CacheType globalMemoryCacheType() const;
quint64 globalMemoryCacheSize() const;
int globalMemoryCacheLineSize() const;
quint64 localMemorySize() const;
bool isLocalMemorySeparate() const;
quint64 maximumConstantBufferSize() const;
int maximumConstantArguments() const;
int defaultAlignment() const;
int minimumAlignment() const;
int maximumParameterBytes() const;
bool isFullProfile() const;
bool isEmbeddedProfile() const;
QString profile() const;
QString version() const;
QString driverVersion() const;
QString name() const;
QString vendor() const;
QStringList extensions() const;
bool hasExtension(const char *name) const;
QCLPlatform::VersionFlags versionFlags() const;
cl_device_id deviceId() const { return m_id; }
static QList<QCLDevice> allDevices();
static QList<QCLDevice> devices
(QCLDevice::DeviceTypes types,
const QCLPlatform &platform = QCLPlatform());
bool operator==(const QCLDevice &other) const;
bool operator!=(const QCLDevice &other) const;
private:
cl_device_id m_id;
mutable int m_flags;
};
Q_DECLARE_OPERATORS_FOR_FLAGS(QCLDevice::DeviceTypes)
Q_DECLARE_OPERATORS_FOR_FLAGS(QCLDevice::FloatCapabilities)
inline bool QCLDevice::operator==(const QCLDevice &other) const
{
return m_id == other.m_id;
}
inline bool QCLDevice::operator!=(const QCLDevice &other) const
{
return m_id != other.m_id;
}
#ifndef QT_NO_DEBUG_STREAM
Q_CL_EXPORT QDebug operator<<(QDebug, const QCLDevice &);
#endif
QT_END_NAMESPACE
QT_END_HEADER
#endif
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