DeviceClusterizationAlg.h

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/*
  Copyright (C) 2002-2026 CERN for the benefit of the ATLAS collaboration
*/
#ifndef ACTSGPUDATAPREPARATION_DEVICECLUSTERIZATIONALG_H
#define ACTSGPUDATAPREPARATION_DEVICECLUSTERIZATIONALG_H
 
#include "AthenaBaseComps/AthReentrantAlgorithm.h"
#include "GaudiKernel/ToolHandle.h"
#include "StoreGate/ReadHandleKey.h"
#include "StoreGate/WriteHandleKey.h"
#include "StoreGate/ReadCondHandleKey.h"
 
#include "IDeviceClusterizationAlgProviderTool.h"
#include "AthDeviceInterfaces/IMemoryResourceTool.h"
#include "AthDeviceInterfaces/ICopyTool.h"
#include "ActsGPUEvent/TracccSiliconCellCollection.h"
#include "ActsGPUEvent/TracccMeasurementCollection.h"
#include "ActsGPUEvent/TracccSiliconClusterCollection.h"
#include "ActsGPUEvent/TracccDetectorConditionsDescription.h"
#include "ActsGPUEvent/TracccDetectorDesignDescription.h"
 
namespace ActsTrk {
class DeviceClusterizationAlg : public AthReentrantAlgorithm {
public:
  using AthReentrantAlgorithm::AthReentrantAlgorithm;

  virtual StatusCode initialize() override;
  virtual StatusCode execute(const EventContext& ctx) const override;
 
private:
 
    Gaudi::Property<bool> m_retrieveClusterCells{
        this, "RetrieveClusterCells", true,
        "Whether to retrieve cell indices associated to the clusters."};

    Gaudi::Property<std::string> m_deviceDesignObjectName{
        this, "DeviceDigitizationObjectName", "TracccDeviceDigitizationConfig",
        "Traccc device digitization object"};


    ToolHandle<IDeviceClusterizationAlgProviderTool> m_clusteringAlgProviderTool{
        this, "ClusteringAlgProviderTool", "",
        "Tool providing the appropriate backend device clusterization algorithm"};

    ToolHandle<AthDevice::IMemoryResourceTool> m_deviceMR{
        this, "DeviceMR", "",
        "Device memory resource tool"};

    SG::ReadHandleKey<traccc::edm::silicon_cell_collection::const_view> m_inputCellsKey{
        this, "InputTracccCells", "",
        "Input traccc cell collection buffer"};

    SG::WriteHandleKey<traccc::edm::measurement_collection::buffer> m_outputMeasKey{
        this, "OutputTracccMeasurements", "",
        "Output uncalibrated traccc measurement collection buffer"};
    SG::WriteHandleKey<traccc::edm::silicon_cluster_collection::buffer> m_outputClusterKey{
        this, "OutputTracccClusters", "",
        "Output uncalibrated traccc cluster collection buffer"};

 
    // Device buffers — retrieved from detStore
    const traccc::detector_design_description::const_view* m_deviceDesign{nullptr};
    SG::ReadCondHandleKey<traccc::detector_conditions_description::buffer> m_deviceCondObjectName{
        this, "DeviceConditionsObjectName", "TracccDeviceConditionsConfig",
        "Traccc device conditions object"};
};
 
} // namespace ActsTrk
 
#endif // ACTSGPUDATAPREPARATION_DEVICECLUSTERIZATIONALG_H