NPLStateMemAllocator.h

#pragma once

#include "math/ParaMath.h"
#include <boost/pool/object_pool.hpp>

namespace NPL
{
#ifndef PARAENGINE_MOBILE

    extern void * npl_mem_alloc(void *ud, void *ptr, size_t osize, size_t nsize);

    extern void * npl_mem_dl_alloc(void *ud, void *ptr, size_t osize, size_t nsize);
#endif

    class CNPLStateMemAllocator
    {
    public:
        typedef boost::pool<> pool_type;
        const static int s_pool_init_size_bytes = 32; // default 32
        const static int s_pool_init_size = 5; // default 5
        const static int s_pool_count = 4; //default 4

    private:
        pool_type * m_mem_pools[s_pool_count];

    public:
        CNPLStateMemAllocator();

        ~CNPLStateMemAllocator();

        inline void* allocate(void *ptr, size_t nsize)
        {
            return reallocate(0, 0, nsize);
        }

        void* reallocate(void *ptr, size_t osize, size_t nsize);
        
        void deallocate(void* const ptr, const size_t n);
    };
}// NPL