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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