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 *
 * MIT License
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 * of this software and associated documentation files (the "Software"), to deal
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#ifndef ROCWMMA_DEVICE_ROW_LAYOUT_HPP
#define ROCWMMA_DEVICE_ROW_LAYOUT_HPP

#include "unit_test_traits.hpp"
#include <rocwmma/internal/io_traits.hpp>
#include <rocwmma/internal/layout.hpp>
#include <rocwmma/internal/mapping_util.hpp>

namespace rocwmma
{

    template <uint32_t BlockM,
              uint32_t BlockN,
              typename DataT,
              typename DataLayout,
              typename std::enable_if_t<
                  FragSize_guard<BlockM,
                                 BlockN,
                                 DataT,
                                 DataLayout,
                                 Constants::AMDGCN_WAVE_SIZE,
                                 Constants::AMDGCN_CURRENT_ARCH_ID>::enable()>* = nullptr>
    __global__ void RowLayout(uint32_t     m,
                              uint32_t     n,
                              DataT const* in,
                              DataT*       out,
                              uint32_t     ld,
                              DataT        param1,
                              DataT        param2)
    {
        enum : uint32_t
        {
            BlockHeight = BlockM,
            BlockWidth  = BlockN,

            BlockDim = BlockN,
            KDim     = BlockM,

            MaxVectorWidth = detail::VecWidthTraits<BlockDim, KDim, DataT>::MaxVectorWidth,
            VectorWidth    = std::is_same<DataLayout, row_major>::value ? MaxVectorWidth : 1
        };

        using IOTraits = IOTraits<BlockDim, KDim, DataT, VectorWidth>;
        using LayoutT  = MatrixLayout::Row<BlockDim, KDim, DataT, DataLayout, VectorWidth>;
        using Mapping  = MappingUtil<BlockHeight, BlockWidth, DataT, DataLayout>;

        auto baseOffset  = LayoutT::baseOffset();
        auto iocount     = IOTraits::IOCount;
        auto matrixCoord = Mapping::matrixCoord();

        enum : uint32_t
        {
            MajorIndex = std::is_same<DataLayout, row_major>::value ? 0 : 1,
            MinorIndex = std::is_same<DataLayout, row_major>::value ? 1 : 0
        };

        for(uint32_t i = 0; i < iocount; ++i)
        {
            for(uint32_t j = 0; j < VectorWidth; j++)
            {
                auto index = (get<MajorIndex>(matrixCoord) * ld + get<MinorIndex>(matrixCoord))
                             + Mapping::dataOffset(baseOffset, ld) + j;
                out[index] = in[index];
            }
            baseOffset += LayoutT::incrementalOffset(i);
        }
    }

    template <uint32_t BlockM,
              uint32_t BlockN,
              typename DataT,
              typename DataLayout,
              typename std::enable_if_t<
                  !FragSize_guard<BlockM,
                                  BlockN,
                                  DataT,
                                  DataLayout,
                                  Constants::AMDGCN_WAVE_SIZE,
                                  Constants::AMDGCN_CURRENT_ARCH_ID>::enable()>* = nullptr>
    __global__ void RowLayout(uint32_t     m,
                              uint32_t     n,
                              DataT const* in,
                              DataT*       out,
                              uint32_t     ld,
                              DataT        param1,
                              DataT        param2)
    {
    }
} // namespace rocwmma

#endif // ROCWMMA_DEVICE_ROW_LAYOUT_HPP
