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#pragma once

#include "FilmGrainImpl.h"

#include <CommonDef.h>
#include <CommonDefX86.h>

#include <memory>

#if defined(TARGET_SIMD_X86)  && ENABLE_SIMD_OPT

namespace vvdec
{
template<X86_VEXT VEXT>
class FilmGrainImplX86 : public FilmGrainImpl
{
public:
  static std::unique_ptr<FilmGrainImpl> makeFilmGrainImpl();

protected:
  void make_grain_pattern( const void* I,
                           int         c,
                           int         x,
                           int         subx,
                           uint8_t     oc1,
                           uint8_t     oc2,
                           uint8_t     ox,
                           uint8_t     ox_up,
                           uint8_t     oy,
                           uint8_t     oy_up,
                           int         s,
                           int         s_up,
                           int16_t     grain[3][32],
                           uint8_t     scale[3][32] ) const override;
  void scale_and_output( void*   I,   //
                         int     c,
                         int     x,
                         int     subx,
                         int     width,
                         int16_t grain[3][32],
                         uint8_t scale[3][32] ) const override;
};

template<>
inline std::unique_ptr<FilmGrainImpl> FilmGrainImplX86<UNDEFINED>::makeFilmGrainImpl()
{
  switch( read_x86_extension_flags() )
  {
  case AVX512:
  case AVX2:
#if ENABLE_AVX2_IMPLEMENTATIONS
    return std::make_unique<FilmGrainImplX86<AVX2>>();
#endif
  case AVX:
  case SSE42:
  case SSE41:
    return std::make_unique<FilmGrainImplX86<SSE41>>();
  default:
    return std::make_unique<FilmGrainImpl>();
  }
}

}   // namespace vvdec
#endif