sort.h

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/*
 * cugar
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#pragma once

#include <cugar/basic/types.h>

namespace cugar {
namespace cuda {





template <typename Keys, typename Values = null_type>
struct SortBuffers
{
    SortBuffers() : selector(0) {}

    Keys current_keys() const { return keys[ selector ]; }

    Values current_values() const { return values[ selector ]; }

    uint32  selector;
    Keys    keys[2];
    Values  values[2];
};

struct SortEnactor
{
    SortEnactor();

    ~SortEnactor();

    void sort(const uint32 count, SortBuffers<uint8*, uint32*>& buffers, const uint32 begin_bit = 0, const uint32 end_bit = 8);
    void sort(const uint32 count, SortBuffers<uint16*,uint32*>& buffers, const uint32 begin_bit = 0, const uint32 end_bit = 16);
    void sort(const uint32 count, SortBuffers<uint32*,uint32*>& buffers, const uint32 begin_bit = 0, const uint32 end_bit = 32);
    void sort(const uint32 count, SortBuffers<uint32*,uint64*>& buffers, const uint32 begin_bit = 0, const uint32 end_bit = 32);
    void sort(const uint32 count, SortBuffers<uint64*,uint32*>& buffers, const uint32 begin_bit = 0, const uint32 end_bit = 64);
    void sort(const uint32 count, SortBuffers<uint64*,uint64*>& buffers, const uint32 begin_bit = 0, const uint32 end_bit = 64);
    void sort(const uint32 count, SortBuffers<uint8*>&          buffers, const uint32 begin_bit = 0, const uint32 end_bit = 8);
    void sort(const uint32 count, SortBuffers<uint16*>&         buffers, const uint32 begin_bit = 0, const uint32 end_bit = 16);
    void sort(const uint32 count, SortBuffers<uint32*>&         buffers, const uint32 begin_bit = 0, const uint32 end_bit = 32);
    void sort(const uint32 count, SortBuffers<uint64*>&         buffers, const uint32 begin_bit = 0, const uint32 end_bit = 64);

private:
    void*  m_impl;
};


} // namespace cuda
} // namespace cugar