From 62ae217a27531d9767bcdda0e7ff6c4368ed857e Mon Sep 17 00:00:00 2001 From: steven-na Date: Wed, 29 Jul 2026 01:53:59 -0700 Subject: Scratch and temp arenas --- src/smrt_arena.h | 23 ++++++++++++++++++++--- 1 file changed, 20 insertions(+), 3 deletions(-) (limited to 'src/smrt_arena.h') diff --git a/src/smrt_arena.h b/src/smrt_arena.h index 375929d..0c8d848 100644 --- a/src/smrt_arena.h +++ b/src/smrt_arena.h @@ -18,16 +18,33 @@ typedef struct { smrt_arena_t *smrt_arena_create(u64 reserve_size, u64 commit_size, b32 auto_decommit); void *smrt_arena_push(smrt_arena_t *arena, u64 alloc_amount, b32 zero_out); - void *smrt_arena_mark_push(smrt_arena_t *arena, u64 alloc_amount, b32 zero_out); void smrt_arena_pop(smrt_arena_t *arena, u64 pop_amount); void smrt_arena_pop_to(smrt_arena_t *arena, u64 location); - b32 smrt_arena_pop_to_mark(smrt_arena_t *arena); void smrt_arena_clear(smrt_arena_t *arena, b32 zero_out); - void smrt_arena_mark(smrt_arena_t *arena); void smrt_arena_destroy(smrt_arena_t *arena); + void smrt_arena_mark(smrt_arena_t *arena); + void *smrt_arena_mark_push(smrt_arena_t *arena, u64 alloc_amount, b32 zero_out); + b32 smrt_arena_pop_to_mark(smrt_arena_t *arena); + #define SMRTA_ALLOC_ARRAY(arena, T, n) (T*)smrt_arena_push(arena, sizeof(T) * (n), true) +typedef struct { + smrt_arena_t *arena; + u64 start_pos; +} smrta_temp_t; + +smrta_temp_t smrta_temp_start(smrt_arena_t *arena); + void smrta_temp_end(smrta_temp_t temp); + +smrta_temp_t smrta_scratch_start(smrt_arena_t **conflicts, u32 num_conflicts); + void smrta_scratch_end(smrta_temp_t temp); + +#define SCRATCH_POOL_SIZE 2 + +#define TEMP_ARENA_PUSH(temp, T) (T*)smrt_arena_push(temp.arena, sizeof(T), true) +#define TEMP_ARENA_PUSH_ARRAY(temp, T, n) (T*)smrt_arena_push(temp.arena, sizeof(T) * (n), true) + u32 plat_get_pagesize(void); void *plat_mem_reserve(u64 size); -- cgit v1.2.3