ShuffleIndicesTreeDataKernelStrategy.h

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#ifndef GfxTL__SHUFFLEINDICESTREEDATAKERNELSTRATEGY_HEADER__
#define GfxTL__SHUFFLEINDICESTREEDATAKERNELSTRATEGY_HEADER__
#include <vector>
#include <GfxTL/Swap.h>
 
namespace GfxTL
{
    template< class DataKernelT,
              class ShuffleIndicesT = std::vector< unsigned int > >
    class ShuffleIndicesTreeDataKernelStrategy
        : public DataKernelT
    {
    public:
        typedef typename DataKernelT::value_type value_type;
        typedef typename DataKernelT::HandleType HandleType;
        typedef typename DataKernelT::DereferencedType DereferencedType;
 
        ShuffleIndicesTreeDataKernelStrategy() : m_shuffleIndices(NULL) {}
        void ShuffleIndices(ShuffleIndicesT* shuffleIndices)
        {
            m_shuffleIndices = shuffleIndices;
        }
        ShuffleIndicesT* ShuffleIndices() const
        {
            return m_shuffleIndices;
        }
 
    protected:
        void SwapHandles(HandleType a, HandleType b)
        {
            if (m_shuffleIndices)
            {
                Swap(a, b, m_shuffleIndices);
            }
            DataKernelT::SwapHandles(a, b);
        }
 
    private:
        ShuffleIndicesT* m_shuffleIndices;
    };
};
 
#endif