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/** \file     BvSearchOps.cpp

    \brief    SIMD optimized helpers of the IBC block vector search

 */

#include "BvSearchOps.h"

#include <algorithm>

//! \ingroup EncoderLib

//! \{

namespace vvenc {

static bool containsMvCore( const Mv* list, const unsigned n, const Mv& mv )

{

  return std::find( list, list + n, mv ) != list + n;

}

static Distortion sumAbsDiffShiftedCore( const Pel* org, const ptrdiff_t orgStride, const Pel* cur, const ptrdiff_t curStride, const int width, const int height, const int shift )

{

  Distortion sum = 0;

  for( int y = 0; y < height; y++, org += orgStride, cur += curStride )

  {

    for( int x = 0; x < width; x++ )

    {

      sum += abs( cur[x] - org[x] ) >> shift;

    }

  }

  return sum;

}

BvSearchOps::BvSearchOps( bool enableOpt )

{

  containsMv        = containsMvCore;

  sumAbsDiffShifted = sumAbsDiffShiftedCore;

#if defined( TARGET_SIMD_X86 ) && ENABLE_SIMD_OPT

  if( enableOpt )

  {

    initBvSearchOpsX86();

  }

#endif

}

} // namespace vvenc

//! \}