DeviceGBTSSeedingAlg.h

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/*
  Copyright (C) 2002-2026 CERN for the benefit of the ATLAS collaboration
*/
#ifndef ACTSGPUPATTERNRECOGNITION_DEVICESEEDINGALG_H
#define ACTSGPUPATTERNRECOGNITION_DEVICESEEDINGALG_H
 
#include "AthenaBaseComps/AthReentrantAlgorithm.h"
#include "GaudiKernel/ToolHandle.h"
#include "StoreGate/ReadHandleKey.h"
#include "StoreGate/WriteHandleKey.h"
#include "PathResolver/PathResolver.h"
 
#include "IDeviceSeedingAlgProviderTool.h"
#include "AthDeviceInterfaces/IMemoryResourceTool.h"
#include "AthDeviceInterfaces/ICopyTool.h"
#include "TrigInDetToolInterfaces/ITrigL2LayerNumberTool.h"
#include "ActsGPUInterfaces/IDeviceDetectorDescriptionProviderSvc.h"
 
#include "ActsGPUEvent/TracccDetectorGeometryDescription.h"
#include "ActsGPUEvent/TracccMeasurementCollection.h"
#include "ActsGPUEvent/TracccSpacepointCollection.h"
#include "ActsGPUEvent/TracccSeedCollection.h"
 
#include "TrigInDetPattRecoTools/GNN_FasTrackConnector.h"
#include "TrigInDetPattRecoTools/GNN_Geometry.h"
#include "PixelReadoutGeometry/PixelDetectorManager.h"
 
#include "vecmem/utils/cuda/copy.hpp"
 
namespace ActsTrk {
class DeviceGBTSSeedingAlg : public AthReentrantAlgorithm {
public:
  using AthReentrantAlgorithm::AthReentrantAlgorithm;

  virtual StatusCode initialize() override;
  virtual StatusCode execute(const EventContext& ctx) const override;
 
private:
 
    virtual StatusCode configureGBTS();
 
    Gaudi::Property<std::string> m_connectionFileName{this, "ConnectionFileName",
                                "binTables_ITK_RUN4.txt"};
 

    ToolHandle<IDeviceSeedingAlgProviderTool> m_seedingAlgProviderTool{
        this, "SeedingAlgProviderTool", "",
        "Tool providing the appropriate backend device seeding algorithm"};

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

    SG::ReadHandleKey<traccc::edm::spacepoint_collection::const_view> m_inputPixelSPKey{
        this, "InputTracccPixelSpacepoints", "",
        "Input traccc spacepoint collection buffer"};

    SG::ReadHandleKey<traccc::edm::measurement_collection::const_view> m_inputMeasKey{
        this, "InputTracccMeasurements", "",
        "Input traccc measurement collection buffer"};    

    SG::WriteHandleKey<traccc::edm::seed_collection::buffer> m_outputPixelSeedsKey{
        this, "OutputTracccPixelSeeds", "",
        "Output traccc pixel seed collection buffer"};


    ServiceHandle<ActsTrk::IDeviceDetectorDescriptionProviderSvc> m_detDescSvc{
        this, "DetectorDescriptionSvc", "ActsTrk::JSONDeviceDetectorDescriptionProviderSvc"};
        
    const InDetDD::PixelDetectorManager* m_pixelManager{nullptr};
    const PixelID* m_pixelID{nullptr};    
 
    ToolHandle<ITrigL2LayerNumberTool> m_layerNumberTool{
        this, "layerNumberTool", "TrigL2LayerNumberToolITk"};
 
 
    traccc::gbts_seedfinder_config m_gbts_config;
 
};
 
} // namespace ActsTrk
 
#endif // ACTSGPUPATTERNRECOGNITION_DEVICESEEDINGALG_H