GPUTPCExtrapolationTracking.h

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// Copyright 2019-2020 CERN and copyright holders of ALICE O2.
// See https://alice-o2.web.cern.ch/copyright for details of the copyright holders.
// All rights not expressly granted are reserved.
//
// This software is distributed under the terms of the GNU General Public
// License v3 (GPL Version 3), copied verbatim in the file "COPYING".
//
// In applying this license CERN does not waive the privileges and immunities
// granted to it by virtue of its status as an Intergovernmental Organization
// or submit itself to any jurisdiction.
 
 
#ifndef GPUTPCEXTRAPOLATIONTRACKING_H
#define GPUTPCEXTRAPOLATIONTRACKING_H
 
#include "GPUGeneralKernels.h"
#include "GPUConstantMem.h"
 
namespace o2::gpu
{
class GPUTPCTracker;
 
class GPUTPCExtrapolationTracking : public GPUKernelTemplate
{
 public:
  struct GPUSharedMemory {
    CA_SHARED_STORAGE(GPUTPCRow mRows[GPUCA_ROW_COUNT]);
  };
 
  typedef GPUconstantref() GPUTPCTracker processorType;
  GPUhdi() constexpr static GPUDataTypes::RecoStep GetRecoStep() { return GPUCA_RECO_STEP::TPCSectorTracking; }
  GPUhdi() static processorType* Processor(GPUConstantMem& processors)
  {
    return processors.tpcTrackers;
  }
  template <int32_t iKernel = GPUKernelTemplate::defaultKernel>
  GPUd() static void Thread(int32_t nBlocks, int32_t nThreads, int32_t iBlock, int32_t iThread, GPUsharedref() GPUSharedMemory& smem, processorType& tracker);
 
  GPUd() static int32_t ExtrapolationTrackingSectorOrder(int32_t iSector);
  GPUd() static void ExtrapolationTrackingSectorLeftRight(uint32_t iSector, uint32_t& left, uint32_t& right);
 
 private:
  GPUd() static int32_t PerformExtrapolationTrackingRun(GPUTPCTracker& tracker, GPUsharedref() GPUSharedMemory& smem, const GPUTPCTracker& sectorSource, int32_t iTrack, int32_t rowIndex, float angle, int32_t direction);
  GPUd() static void PerformExtrapolationTracking(int32_t nBlocks, int32_t nThreads, int32_t iBlock, int32_t iThread, const GPUTPCTracker& tracker, GPUsharedref() GPUSharedMemory& smem, GPUTPCTracker& sectorTarget, bool right);
};
 
class GPUTPCExtrapolationTrackingCopyNumbers : public GPUKernelTemplate
{
 public:
  typedef GPUconstantref() GPUTPCTracker processorType;
  GPUhdi() constexpr static GPUDataTypes::RecoStep GetRecoStep() { return GPUCA_RECO_STEP::TPCSectorTracking; }
  GPUhdi() static processorType* Processor(GPUConstantMem& processors)
  {
    return processors.tpcTrackers;
  }
  template <int32_t iKernel = GPUKernelTemplate::defaultKernel>
  GPUd() static void Thread(int32_t nBlocks, int32_t nThreads, int32_t iBlock, int32_t iThread, GPUsharedref() GPUSharedMemory& smem, processorType& tracker, int32_t n);
};
 
} // namespace o2::gpu
 
#endif // GPUTPCTRACKLETCONSTRUCTOR_H