orca/src/platform/win32_memory.c

46 lines
1.1 KiB
C

/************************************************************//**
*
* @file: win32_memory.c
* @author: Martin Fouilleul
* @date: 17/12/2022
* @revision:
*
*****************************************************************/
#define WIN32_LEAN_AND_MEAN
#include<windows.h>
#include"platform_memory.h"
void* mem_base_reserve_win32(mem_base_allocator* context, u64 size)
{
void* result = VirtualAlloc(0, size, MEM_RESERVE, PAGE_READWRITE);
return(result);
}
void mem_base_commit_win32(mem_base_allocator* context, void* ptr, u64 size)
{
VirtualAlloc(ptr, size, MEM_COMMIT, PAGE_READWRITE);
}
void mem_base_release_win32(mem_base_allocator* context, void* ptr, u64 size)
{
VirtualFree(ptr, size, MEM_RELEASE);
}
void mem_base_decommit_win32(mem_base_allocator* context, void* ptr, u64 size)
{
VirtualFree(ptr, size, MEM_DECOMMIT);
}
mem_base_allocator* mem_base_allocator_default()
{
static mem_base_allocator base = {0};
if(base.reserve == 0)
{
base.reserve = mem_base_reserve_win32;
base.commit = mem_base_commit_win32;
base.decommit = mem_base_decommit_win32;
base.release = mem_base_release_win32;
}
return(&base);
}