vlad.website
A 3D game engine from scratch.
1// (c) 2020 Vlad-Stefan Harbuz <vlad@vladh.net>
2
3#pragma once
4
5#include "types.hpp"
6
7#define MEMORY_PUSH(pool, type, debug_name) \
8 (type*)memory::push(pool, sizeof(type), debug_name)
9
10class memory {
11public:
12#if USE_MEMORYPOOL_ITEM_DEBUG
13 constexpr u32 MAX_N_MEMORYPOOL_ITEMS = 1024;
14#endif
15
16 struct Pool {
17 u8 *memory;
18 size_t size;
19 size_t used;
20 u32 n_items;
21 #if USE_MEMORYPOOL_ITEM_DEBUG
22 const char *item_debug_names[MAX_N_MEMORYPOOL_ITEMS];
23 size_t item_debug_sizes[MAX_N_MEMORYPOOL_ITEMS];
24 #endif
25 };
26
27 static void * push(
28 Pool *pool,
29 size_t item_size,
30 const char *item_debug_name
31 );
32 static void print_memory_pool(Pool *pool);
33 static void destroy_memory_pool(Pool *memory_pool);
34
35private:
36 static void reset_memory_pool(Pool *pool);
37 static void zero_out_memory_pool(Pool *pool);
38};