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author | Willem Jan Palenstijn <WillemJan.Palenstijn@uantwerpen.be> | 2013-07-01 22:34:11 +0000 |
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committer | wpalenst <WillemJan.Palenstijn@uantwerpen.be> | 2013-07-01 22:34:11 +0000 |
commit | b2fc6c70434674d74551c3a6c01ffb3233499312 (patch) | |
tree | b17f080ebc504ab85ebb7c3d89f917fd87ce9e00 /src/CudaSirtAlgorithm.cpp | |
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Update version to 1.3
Diffstat (limited to 'src/CudaSirtAlgorithm.cpp')
-rw-r--r-- | src/CudaSirtAlgorithm.cpp | 154 |
1 files changed, 154 insertions, 0 deletions
diff --git a/src/CudaSirtAlgorithm.cpp b/src/CudaSirtAlgorithm.cpp new file mode 100644 index 0000000..a2a30eb --- /dev/null +++ b/src/CudaSirtAlgorithm.cpp @@ -0,0 +1,154 @@ +/* +----------------------------------------------------------------------- +Copyright 2012 iMinds-Vision Lab, University of Antwerp + +Contact: astra@ua.ac.be +Website: http://astra.ua.ac.be + + +This file is part of the +All Scale Tomographic Reconstruction Antwerp Toolbox ("ASTRA Toolbox"). + +The ASTRA Toolbox 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, either version 3 of the License, or +(at your option) any later version. + +The ASTRA Toolbox 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 for more details. + +You should have received a copy of the GNU General Public License +along with the ASTRA Toolbox. If not, see <http://www.gnu.org/licenses/>. + +----------------------------------------------------------------------- +$Id$ +*/ + +#ifdef ASTRA_CUDA + +#include "astra/CudaSirtAlgorithm.h" + +#include <boost/lexical_cast.hpp> +#include "astra/AstraObjectManager.h" + +#include "../cuda/2d/sirt.h" + +using namespace std; + +namespace astra { + +// type of the algorithm, needed to register with CAlgorithmFactory +std::string CCudaSirtAlgorithm::type = "SIRT_CUDA"; + +//---------------------------------------------------------------------------------------- +// Constructor +CCudaSirtAlgorithm::CCudaSirtAlgorithm() +{ + m_bIsInitialized = false; + CCudaReconstructionAlgorithm2D::_clear(); + + m_pMinMask = 0; + m_pMaxMask = 0; +} + +//---------------------------------------------------------------------------------------- +// Destructor +CCudaSirtAlgorithm::~CCudaSirtAlgorithm() +{ + // The actual work is done by ~CCudaReconstructionAlgorithm2D + + m_pMinMask = 0; + m_pMaxMask = 0; +} + +//--------------------------------------------------------------------------------------- +// Initialize - Config +bool CCudaSirtAlgorithm::initialize(const Config& _cfg) +{ + ASTRA_ASSERT(_cfg.self); + ConfigStackCheck<CAlgorithm> CC("CudaSirtAlgorithm", this, _cfg); + + m_bIsInitialized = CCudaReconstructionAlgorithm2D::initialize(_cfg); + + if (!m_bIsInitialized) + return false; + + // min/max masks + if (_cfg.self->hasOption("MinMaskId")) { + int id = boost::lexical_cast<int>(_cfg.self->getOption("MinMaskId")); + m_pMinMask = dynamic_cast<CFloat32VolumeData2D*>(CData2DManager::getSingleton().get(id)); + } + CC.markOptionParsed("MinMaskId"); + if (_cfg.self->hasOption("MaxMaskId")) { + int id = boost::lexical_cast<int>(_cfg.self->getOption("MaxMaskId")); + m_pMaxMask = dynamic_cast<CFloat32VolumeData2D*>(CData2DManager::getSingleton().get(id)); + } + CC.markOptionParsed("MaxMaskId"); + + + m_pAlgo = new astraCUDA::SIRT(); + m_bAlgoInit = false; + + return true; +} + +//--------------------------------------------------------------------------------------- +// Initialize - C++ +bool CCudaSirtAlgorithm::initialize(CProjector2D* _pProjector, + CFloat32ProjectionData2D* _pSinogram, + CFloat32VolumeData2D* _pReconstruction, + int _iGPUindex, int _iDetectorSuperSampling, + int _iPixelSuperSampling) +{ + m_bIsInitialized = CCudaReconstructionAlgorithm2D::initialize(_pProjector, _pSinogram, _pReconstruction, _iGPUindex, _iDetectorSuperSampling, _iPixelSuperSampling); + + if (!m_bIsInitialized) + return false; + + + + m_pAlgo = new astraCUDA::SIRT(); + m_bAlgoInit = false; + + return true; +} + +//---------------------------------------------------------------------------------------- +// Iterate +void CCudaSirtAlgorithm::run(int _iNrIterations) +{ + // check initialized + ASTRA_ASSERT(m_bIsInitialized); + + if (!m_bAlgoInit) { + // We only override the initialisation step to copy the min/max masks + + bool ok = setupGeometry(); + ASTRA_ASSERT(ok); + + ok = m_pAlgo->allocateBuffers(); + ASTRA_ASSERT(ok); + + if (m_pMinMask || m_pMaxMask) { + const CVolumeGeometry2D& volgeom = *m_pReconstruction->getGeometry(); + astraCUDA::SIRT* pSirt = dynamic_cast<astraCUDA::SIRT*>(m_pAlgo); + const float *pfMinMaskData = 0; + const float *pfMaxMaskData = 0; + if (m_pMinMask) pfMinMaskData = m_pMinMask->getDataConst(); + if (m_pMaxMask) pfMaxMaskData = m_pMaxMask->getDataConst(); + ok = pSirt->uploadMinMaxMasks(pfMinMaskData, pfMaxMaskData, volgeom.getGridColCount()); + ASTRA_ASSERT(ok); + } + + m_bAlgoInit = true; + } + + CCudaReconstructionAlgorithm2D::run(_iNrIterations); +} + + +} // namespace astra + +#endif // ASTRA_CUDA |