CUDAClusterizationAlgProviderTool.h

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/*
  Copyright (C) 2002-2026 CERN for the benefit of the ATLAS collaboration
*/
#ifndef ACTSGPUDATAPREPARATION_CUDACLUSTERIZATIONALGPROVIDERTOOL_H
#define ACTSGPUDATAPREPARATION_CUDACLUSTERIZATIONALGPROVIDERTOOL_H
 
#include "AthenaBaseComps/AthAlgTool.h"
#include "AthDeviceInterfaces/IMemoryResourcesTool.h"
#include "AthDeviceInterfaces/ICopyTool.h"
#include "AthCUDAInterfaces/IStreamTool.h"
#include "../IDeviceClusterizationAlgProviderTool.h"
 
#include "vecmem/utils/cuda/copy.hpp"
 
#include <Gaudi/Property.h>
#include <memory>
#include <string>
 
namespace ActsTrk {

class CUDAClusterizationAlgProviderTool
    : public extends<AthAlgTool, IDeviceClusterizationAlgProviderTool>
{
public:
  using extends::extends;
  virtual StatusCode initialize() override;

  virtual std::pair<std::shared_ptr<const vecmem::copy>, std::shared_ptr<const traccc::device::clusterization_algorithm>> getClusterizationAlgorithm(const EventContext& ctx) const override;

  virtual std::pair<std::shared_ptr<const vecmem::copy>, std::shared_ptr<const IDeviceClusterizationAlgProviderTool::sorting_algorithm_type>>
    getSortingAlgorithm(const EventContext& ctx) const override;
 
 
private:
 
  traccc::clustering_config m_clusteringConfig{};

  Gaudi::Property<bool> m_sortCells{this, "CellSorting", true,
    "Whether to sort traccc cells on GPU prior to clusterization"};

  ToolHandle<AthDevice::IMemoryResourcesTool> m_MRs{
        this, "MemoryResourcesTool", "",
        "The memory resources tool to use for allocating memory on the device"};

  ToolHandle<AthDevice::ICopyTool> m_copy{
      this, "CopyProviderTool", "", "Vecmem copy provider tool"};

  ToolHandle<AthCUDA::IStreamTool> m_streamTool{
      this, "StreamTool", "", "CUDA stream provider tool"};
 
};
 
} // namespace ActsTrk
 
#endif // ACTSGPUDATAPREPARATION_CUDACLUSTERIZATIONALGPROVIDERTOOL_H