Super Mario 64 OpenGL port for PC. Mirror of https://github.com/sm64pc/sm64pc https://github.com/sm64pc/sm64pc
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#ifndef GD_MEMORY_H
#define GD_MEMORY_H
#include <ultra64.h>
/// A structure that holds information about memory allocation on goddard's heap.
struct GMemBlock {
/* 0x00 */ u8 *ptr;
/* 0x04 */ u32 size;
/* 0x08 */ u8 blockType;
/* 0x09 */ u8 permFlag; ///< Permanent (upper four bits) or Temporary (lower four bits)
/* 0x0C */ struct GMemBlock *next;
/* 0x10 */ struct GMemBlock *prev;
};
/// Block list types for `GMemBlock.blockType`. Note that Empty Blocks don't have
/// a specific value.
enum GMemBlockTypes {
G_MEM_BLOCK_FREE = 1,
G_MEM_BLOCK_USED = 2
};
/* Block Permanence Defines */
/* This may be collections of certain allocation types
* eg. 0x10 = Object; 0x20 = Color Buffer; 0x40 = Z Buf; 0x01 = basic; etc. */
#define PERM_G_MEM_BLOCK 0xF0
#define TEMP_G_MEM_BLOCK 0x0F
// functions
extern u32 gd_free_mem(void *ptr);
extern void *gd_request_mem(u32 size, u8 permanence);
extern struct GMemBlock *gd_add_mem_to_heap(u32 size, void *addr, u8 permanence);
extern void init_mem_block_lists(void);
extern void mem_stats(void);
#endif /* GD_MEMORY_H */