[u/mrichter/AliRoot.git] / HLT / TPCLib / tracking-ca / AliHLTTPCCAStartHitsFinder.h

//-*- Mode: C++ -*-
// ************************************************************************
// This file is property of and copyright by the ALICE HLT Project        *
// ALICE Experiment at CERN, All rights reserved.                         *
// See cxx source for full Copyright notice                               *
//                                                                        *
//*************************************************************************

#ifndef ALIHLTTPCCASTARTHITSFINDER_H
#define ALIHLTTPCCASTARTHITSFINDER_H

#include "AliHLTTPCCADef.h"
#include "AliHLTTPCCAHitId.h"

class AliHLTTPCCATracker;

/**
 * @class AliHLTTPCCAStartHitsFinder
 *
 */
class AliHLTTPCCAStartHitsFinder
{
  public:
    class AliHLTTPCCASharedMemory
    {
        friend class AliHLTTPCCAStartHitsFinder;
      public:
#if !defined(HLTCA_GPUCODE)
        AliHLTTPCCASharedMemory()
            : fIRow( 0 ), fNRows( 0 ), fNHits( 0 ), fNOldStartHits( 0 ), fNRowStartHits( 0 ) {}

        AliHLTTPCCASharedMemory( const AliHLTTPCCASharedMemory& /*dummy*/ )
            : fIRow( 0 ), fNRows( 0 ), fNHits( 0 ), fNOldStartHits( 0 ), fNRowStartHits( 0 ) {}
        AliHLTTPCCASharedMemory& operator=( const AliHLTTPCCASharedMemory& /*dummy*/ ) { return *this; }
#endif //!HLTCA_GPUCODE

      protected:
        int fIRow; // row index
        int fNRows; // n rows
        int fNHits; // n hits in the row
        AliHLTTPCCAHitId fRowStartHits[ALIHLTTPCCASTARTHITSFINDER_MAX_FROWSTARTHITS]; // temp. array for the start hits
        int fNOldStartHits; // n start hits from other jobs
        int fNRowStartHits; // n start hits for this row
    };

    GPUd() static int NThreadSyncPoints() { return 3; }

    GPUd() static void Thread( int nBlocks, int nThreads, int iBlock, int iThread, int iSync,
                               AliHLTTPCCASharedMemory &smem, AliHLTTPCCATracker &tracker );
};


#endif //ALIHLTTPCCASTARTHITSFINDER_H
Commit	Line	Data
	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 ALIHLTTPCCASTARTHITSFINDER_H
	10	#define ALIHLTTPCCASTARTHITSFINDER_H
	11
	12	#include "AliHLTTPCCADef.h"
	13	#include "AliHLTTPCCAHitId.h"
	14
	15	class AliHLTTPCCATracker;
	16
	17	/**
	18	* @class AliHLTTPCCAStartHitsFinder
	19	*
	20	*/
	21	class AliHLTTPCCAStartHitsFinder
	22	{
	23	public:
	24	class AliHLTTPCCASharedMemory
	25	{
	26	friend class AliHLTTPCCAStartHitsFinder;
	27	public:
	28	#if !defined(HLTCA_GPUCODE)
	29	AliHLTTPCCASharedMemory()
	30	: fIRow( 0 ), fNRows( 0 ), fNHits( 0 ), fNOldStartHits( 0 ), fNRowStartHits( 0 ) {}
	31
	32	AliHLTTPCCASharedMemory( const AliHLTTPCCASharedMemory& /dummy/ )
	33	: fIRow( 0 ), fNRows( 0 ), fNHits( 0 ), fNOldStartHits( 0 ), fNRowStartHits( 0 ) {}
	34	AliHLTTPCCASharedMemory& operator=( const AliHLTTPCCASharedMemory& /dummy/ ) { return *this; }
	35	#endif //!HLTCA_GPUCODE
	36
	37	protected:
	38	int fIRow; // row index
	39	int fNRows; // n rows
	40	int fNHits; // n hits in the row
	41	AliHLTTPCCAHitId fRowStartHits[ALIHLTTPCCASTARTHITSFINDER_MAX_FROWSTARTHITS]; // temp. array for the start hits
	42	int fNOldStartHits; // n start hits from other jobs
	43	int fNRowStartHits; // n start hits for this row
	44	};
	45
	46	GPUd() static int NThreadSyncPoints() { return 3; }
	47
	48	GPUd() static void Thread( int nBlocks, int nThreads, int iBlock, int iThread, int iSync,
	49	AliHLTTPCCASharedMemory &smem, AliHLTTPCCATracker &tracker );
	50	};
	51
	52
	53	#endif //ALIHLTTPCCASTARTHITSFINDER_H