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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.
**
**
**
**
**
**
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include <stdio.h>
#include "qclplatform.h"
#include "qcldevice.h"
static void printFloatCapabilities(QCLDevice::FloatCapabilities caps);
static void printMemorySize(quint64 size);
int main(int argc, char *argv[])
{
Q_UNUSED(argc);
Q_UNUSED(argv);
printf("OpenCL Platforms:\n");
QList<QCLPlatform> platforms = QCLPlatform::platforms();
foreach (QCLPlatform platform, platforms) {
printf(" Platform ID : %ld\n", long(platform.platformId()));
printf(" Profile : %s\n", platform.profile().toLatin1().constData());
printf(" Version : %s\n", platform.version().toLatin1().constData());
printf(" Name : %s\n", platform.name().toLatin1().constData());
printf(" Vendor : %s\n", platform.vendor().toLatin1().constData());
printf(" Extension Suffix : %s\n", platform.extensionSuffix().toLatin1().constData());
printf(" Extensions :\n");
QStringList extns = platform.extensions();
foreach (QString ext, extns)
printf(" %s\n", ext.toLatin1().constData());
printf("\n");
}
printf("OpenCL Devices:\n");
QList<QCLDevice> devices = QCLDevice::allDevices();
foreach (QCLDevice dev, devices) {
printf(" Device ID : %ld\n", long(dev.deviceId()));
printf(" Platform ID : %ld\n", long(dev.platform().platformId()));
printf(" Vendor ID : %u\n", dev.vendorId());
printf(" Type :");
QCLDevice::DeviceTypes type = dev.deviceType();
if (type & QCLDevice::Default)
printf(" Default");
if (type & QCLDevice::CPU)
printf(" CPU");
if (type & QCLDevice::GPU)
printf(" GPU");
if (type & QCLDevice::Accelerator)
printf(" Accelerator");
printf("\n");
printf(" Profile : %s\n", dev.profile().toLatin1().constData());
printf(" Version : %s\n", dev.version().toLatin1().constData());
printf(" Driver Version : %s\n", dev.driverVersion().toLatin1().constData());
printf(" Name : %s\n", dev.name().toLatin1().constData());
printf(" Vendor : %s\n", dev.vendor().toLatin1().constData());
printf(" Available : %s\n",
dev.isAvailable() ? "true" : "false");
printf(" Compute Units : %d\n", dev.computeUnits());
printf(" Clock Frequency : %d MHz\n", dev.clockFrequency());
printf(" Address Bits : %d\n", dev.addressBits());
printf(" Byte Order : %s\n",
(dev.byteOrder() == QSysInfo::LittleEndian
? "Little Endian" : "Big Endian"));
QCLWorkSize size = dev.maximumWorkItemSize();
printf(" Max Work Size : %ux%ux%u\n",
uint(size.width()), uint(size.height()),
uint(size.depth()));
printf(" Max Items/Group : %u\n",
uint(dev.maximumWorkItemsPerGroup()));
printf(" Local Memory : ");
printMemorySize(dev.localMemorySize());
printf(" Global Memory : ");
printMemorySize(dev.globalMemorySize());
QCLDevice::CacheType cacheType = dev.globalMemoryCacheType();
printf(" Global Cache Type : ");
if (cacheType == QCLDevice::ReadOnlyCache)
printf("ReadOnly\n");
else if (cacheType == QCLDevice::ReadWriteCache)
printf("ReadWrite\n");
else
printf("None\n");
printf(" Global Cache Size : ");
printMemorySize(dev.globalMemoryCacheSize());
printf(" Cache Line Size : %d\n",
dev.globalMemoryCacheLineSize());
printf(" Max Alloc Size : ");
printMemorySize(dev.maximumAllocationSize());
printf(" Max Constant Size : ");
printMemorySize(dev.maximumConstantBufferSize());
printf(" Max Constant Args : %d\n",
dev.maximumConstantArguments());
printf(" Separate Local : %s\n",
dev.isLocalMemorySeparate() ? "true" : "false");
printf(" Alignment : %d (min %d)\n",
dev.defaultAlignment(), dev.minimumAlignment());
printf(" Max Param Bytes : %d\n",
dev.maximumParameterBytes());
printf(" Error Correction : %s\n",
dev.hasErrorCorrectingMemory() ? "true" : "false");
printf(" Float Support :");
printFloatCapabilities(dev.floatCapabilities());
printf(" Double Support :");
printFloatCapabilities(dev.doubleCapabilities());
printf(" Half Float Support:");
printFloatCapabilities(dev.halfFloatCapabilities());
if (dev.hasImage2D()) {
if (dev.hasImage3D())
printf(" Image Support : 2D, 3D\n");
else
printf(" Image Support : 2D\n");
} else {
printf(" Image Support : No\n");
}
if (dev.hasImage2D()) {
QSize size2d = dev.maximumImage2DSize();
printf(" Max 2D Image Size : %dx%d\n",
size2d.width(), size2d.height());
printf(" Max Samplers : %d\n", dev.maximumSamplers());
printf(" Max Read Images : %d\n", dev.maximumReadImages());
printf(" Max Write Images : %d\n", dev.maximumWriteImages());
}
if (dev.hasImage3D()) {
QCLWorkSize size3d = dev.maximumImage3DSize();
printf(" Max 3D Image : %ux%ux%u\n",
uint(size3d.width()), uint(size3d.height()),
uint(size3d.depth()));
printf(" Writable 3D Images: %s\n",
dev.hasWritableImage3D() ? "true" : "false");
}
printf(" Has Compiler : %s\n",
dev.hasCompiler() ? "true" : "false");
printf(" Native Kernels : %s\n",
dev.hasNativeKernels() ? "true" : "false");
printf(" Out of Order Exec : %s\n",
dev.hasOutOfOrderExecution() ? "true" : "false");
printf(" Preferred Vector Sizes:\n");
printf(" char%d, short%d, int%d, long%d, float%d",
dev.preferredCharVectorSize(),
dev.preferredShortVectorSize(),
dev.preferredIntVectorSize(),
dev.preferredLongVectorSize(),
dev.preferredFloatVectorSize());
int dsize = dev.preferredDoubleVectorSize();
if (dsize)
printf(", double%d", dsize);
int hsize = dev.preferredHalfFloatVectorSize();
if (hsize)
printf(", half%d\n", hsize);
printf("\n");
printf(" Extensions :\n");
QStringList extns = dev.extensions();
foreach (QString ext, extns)
printf(" %s\n", ext.toLatin1().constData());
printf("\n");
}
return 0;
}
void printFloatCapabilities(QCLDevice::FloatCapabilities caps)
{
if (caps == QCLDevice::NotSupported) {
printf(" No\n");
return;
}
if ((caps & QCLDevice::Denorm) != 0)
printf(" Denom");
if ((caps & QCLDevice::InfinityNaN) != 0)
printf(" InfinityNaN");
if ((caps & QCLDevice::RoundNearest) != 0)
printf(" RoundNearest");
if ((caps & QCLDevice::RoundZero) != 0)
printf(" RoundZero");
if ((caps & QCLDevice::RoundInfinity) != 0)
printf(" RoundInfinity");
if ((caps & QCLDevice::FusedMultiplyAdd) != 0)
printf(" FusedMultiplyAdd");
printf("\n");
}
static void printMemorySize(quint64 size)
{
if (size >= 1024 * 1024)
printf("%d MB\n", (int)(size / (1024 * 1024)));
else
printf("%d kB\n", (int)(size / 1024));
}
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