Line data    Source code

       1             : //-*- Mode: C++ -*-
       2             : // ************************************************************************
       3             : // This file is property of and copyright by the ALICE HLT Project        *
       4             : // ALICE Experiment at CERN, All rights reserved.                         *
       5             : // See cxx source for full Copyright notice                               *
       6             : //                                                                        *
       7             : //*************************************************************************
       8             : 
       9             : #ifndef ALIHLTTPCCANEIGHBOURSFINDER_H
      10             : #define ALIHLTTPCCANEIGHBOURSFINDER_H
      11             : 
      12             : 
      13             : #include "AliHLTTPCCADef.h"
      14             : #include "AliHLTTPCCARow.h"
      15             : #include "AliHLTTPCCAGPUConfig.h"
      16             : MEM_CLASS_PRE() class AliHLTTPCCATracker;
      17             : 
      18             : /**
      19             :  * @class AliHLTTPCCANeighboursFinder
      20             :  *
      21             :  */
      22             : class AliHLTTPCCANeighboursFinder
      23             : {
      24             :   public:
      25             :     MEM_CLASS_PRE() class AliHLTTPCCASharedMemory
      26             :     {
      27             :         friend class AliHLTTPCCANeighboursFinder;
      28             :       public:
      29             : #if !defined(HLTCA_GPUCODE)
      30             :         AliHLTTPCCASharedMemory()
      31           0 :             : fNHits( 0 ), fUpNHits( 0 ), fDnNHits( 0 ), fUpDx( 0 ), fDnDx( 0 ), fUpTx( 0 ), fDnTx( 0 ), fIRow( 0 ), fIRowUp( 0 ), fIRowDn( 0 ), fNRows( 0 ), fRow(), fRowUp(), fRowDown() {}
      32             : 
      33             :         AliHLTTPCCASharedMemory( const AliHLTTPCCASharedMemory& /*dummy*/ )
      34             :             : fNHits( 0 ), fUpNHits( 0 ), fDnNHits( 0 ), fUpDx( 0 ), fDnDx( 0 ), fUpTx( 0 ), fDnTx( 0 ), fIRow( 0 ), fIRowUp( 0 ), fIRowDn( 0 ), fNRows( 0 ), fRow(), fRowUp(), fRowDown() {}
      35             :         AliHLTTPCCASharedMemory& operator=( const AliHLTTPCCASharedMemory& /*dummy*/ ) { return *this; }
      36             : #endif //!HLTCA_GPUCODE
      37             : 
      38             :       protected:
      39             :         int fNHits; // n hits
      40             :         int fUpNHits; // n hits in the next row
      41             :         int fDnNHits; // n hits in the prev row
      42             :         float fUpDx; // x distance to the next row
      43             :         float fDnDx; // x distance to the previous row
      44             :         float fUpTx; // normalized x distance to the next row
      45             :         float fDnTx; // normalized x distance to the previous row
      46             :         int fIRow; // row number
      47             :         int fIRowUp; // next row number
      48             :         int fIRowDn;// previous row number
      49             :         int fNRows; // number of rows
      50             : #if ALIHLTTPCCANEIGHBOURS_FINDER_MAX_NNEIGHUP > 0
      51             :         float2 fA[HLTCA_GPU_THREAD_COUNT_FINDER][ALIHLTTPCCANEIGHBOURS_FINDER_MAX_NNEIGHUP]; // temp memory
      52             :         unsigned short fB[HLTCA_GPU_THREAD_COUNT_FINDER][ALIHLTTPCCANEIGHBOURS_FINDER_MAX_NNEIGHUP]; // temp memory
      53             : #endif //ALIHLTTPCCANEIGHBOURS_FINDER_MAX_NNEIGHUP > 0
      54             :                 MEM_LG(AliHLTTPCCARow) fRow, fRowUp, fRowDown;
      55             :     };
      56             : 
      57           0 :     GPUd() static int NThreadSyncPoints() { return 2; }
      58             : 
      59             :     GPUd() static void Thread( int nBlocks, int nThreads, int iBlock, int iThread, int iSync,
      60             :                                MEM_LOCAL(GPUsharedref() AliHLTTPCCASharedMemory) &smem, MEM_CONSTANT(GPUconstant() AliHLTTPCCATracker) &tracker );
      61             : 
      62             : };
      63             : 
      64             : 
      65             : #endif //ALIHLTTPCCANEIGHBOURSFINDER_H