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sdrangel/sdrbase/dsp/fftengine.cpp
2023-08-14 10:37:27 +01:00

117 lines
3.5 KiB
C++

///////////////////////////////////////////////////////////////////////////////////
// Copyright (C) 2015-2020 Edouard Griffiths, F4EXB //
// Copyright (C) 2023 Jon Beniston, M7RCE //
// //
// This program is free software; you can redistribute it and/or modify //
// it under the terms of the GNU General Public License as published by //
// the Free Software Foundation as version 3 of the License, or //
// (at your option) any later version. //
// //
// This program is distributed in the hope that it will be useful, //
// but WITHOUT ANY WARRANTY; without even the implied warranty of //
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the //
// GNU General Public License V3 for more details. //
// //
// You should have received a copy of the GNU General Public License //
// along with this program. If not, see <http://www.gnu.org/licenses/>. //
///////////////////////////////////////////////////////////////////////////////////
#include <QDebug>
#include "dsp/fftengine.h"
#ifdef USE_KISSFFT
#include "dsp/kissengine.h"
#endif
#ifdef USE_FFTW
#include "dsp/fftwengine.h"
#endif
#ifdef VKFFT_BACKEND
#if VKFFT_BACKEND==0
#include "dsp/vulkanvkfftengine.h"
#elif VKFFT_BACKEND==1
#include "dsp/cudavkfftengine.h"
#endif
#endif
QStringList FFTEngine::m_allAvailableEngines;
FFTEngine::~FFTEngine()
{
}
FFTEngine* FFTEngine::create(const QString& fftWisdomFileName, const QString& preferredEngine)
{
QStringList allNames = getAllNames();
QString engine;
if (allNames.size() == 0)
{
// No engines available
qCritical("FFTEngine::create: no engine built");
return nullptr;
}
else if (!preferredEngine.isEmpty() && allNames.contains(preferredEngine))
{
// Use the preferred engine
engine = preferredEngine;
}
else
{
// Use first available
engine = allNames[0];
}
qDebug("FFTEngine::create: using %s engine", qPrintable(engine));
#ifdef VKFFT_BACKEND
#if VKFFT_BACKEND==0
if (engine == VulkanvkFFTEngine::m_name) {
return new VulkanvkFFTEngine();
}
#endif
#if VKFFT_BACKEND==1
if (engine == CUDAvkFFTEngine::m_name) {
return new CUDAvkFFTEngine();
}
#endif
#endif
#ifdef USE_FFTW
if (engine == FFTWEngine::m_name) {
return new FFTWEngine(fftWisdomFileName);
}
#endif
#ifdef USE_KISSFFT
if (engine == KissEngine::m_name) {
return new KissEngine;
}
#endif
return nullptr;
}
QStringList FFTEngine::getAllNames()
{
if (m_allAvailableEngines.size() == 0)
{
#ifdef USE_FFTW
m_allAvailableEngines.append(FFTWEngine::m_name);
#endif
#ifdef USE_KISSFFT
m_allAvailableEngines.append(KissEngine::m_name);
#endif
#ifdef VKFFT_BACKEND
#if VKFFT_BACKEND==0
VulkanvkFFTEngine vulkanvkFFT;
if (vulkanvkFFT.isAvailable()) {
m_allAvailableEngines.append(vulkanvkFFT.getName());
}
#elif VKFFT_BACKEND==1
CUDAvkFFTEngine cudavkFFT;
if (cudavkFFT.isAvailable()) {
m_allAvailableEngines.append(cudavkFFT.getName());
}
#endif
#endif
}
return m_allAvailableEngines;
}