34 lines
1.1 KiB
C++
34 lines
1.1 KiB
C++
#define DN_OS_ALLOCATOR_CPP
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#include "../dn_base_inc.h"
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#include "../dn_os_inc.h"
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static void *DN_ArenaBasicAllocFromOSHeap(DN_USize size)
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{
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void *result = DN_OS_MemAlloc(size, DN_ZMem_Yes);
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return result;
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}
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DN_API DN_Arena DN_ArenaFromHeap(DN_U64 size, DN_ArenaFlags flags)
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{
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DN_ArenaMemFuncs mem_funcs = {};
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mem_funcs.type = DN_ArenaMemFuncType_Basic;
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mem_funcs.basic_alloc = DN_ArenaBasicAllocFromOSHeap;
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mem_funcs.basic_dealloc = DN_OS_MemDealloc;
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DN_Arena result = DN_ArenaFromMemFuncs(size, size, flags, mem_funcs);
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return result;
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}
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DN_API DN_Arena DN_ArenaFromVMem(DN_U64 reserve, DN_U64 commit, DN_ArenaFlags flags)
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{
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DN_ArenaMemFuncs mem_funcs = {};
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mem_funcs.type = DN_ArenaMemFuncType_VMem;
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mem_funcs.vmem_page_size = g_dn_os_core_->page_size;
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mem_funcs.vmem_reserve = DN_OS_MemReserve;
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mem_funcs.vmem_commit = DN_OS_MemCommit;
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mem_funcs.vmem_release = DN_OS_MemRelease;
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DN_Arena result = DN_ArenaFromMemFuncs(reserve, commit, flags, mem_funcs);
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return result;
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}
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