Shipwright/soh/src/code/TwoHeadArena.c
M4xw 39cc86c260 git subrepo clone https://github.com/HarbourMasters/soh.git
subrepo:
  subdir:   "soh"
  merged:   "ba904bbd0"
upstream:
  origin:   "https://github.com/HarbourMasters/soh.git"
  branch:   "master"
  commit:   "ba904bbd0"
git-subrepo:
  version:  "0.4.1"
  origin:   "???"
  commit:   "???"
2022-03-22 02:51:23 +01:00

143 lines
3.2 KiB
C

#include "global.h"
#include <string.h>
void THGA_Ct(TwoHeadGfxArena* thga, Gfx* start, size_t size) {
THA_Ct((TwoHeadArena*)thga, start, size);
}
void THGA_Dt(TwoHeadGfxArena* thga) {
THA_Dt((TwoHeadArena*)thga);
}
u32 THGA_IsCrash(TwoHeadGfxArena* thga) {
return THA_IsCrash((TwoHeadArena*)thga);
}
void THGA_Init(TwoHeadGfxArena* thga) {
THA_Init((TwoHeadArena*)thga);
}
s32 THGA_GetSize(TwoHeadGfxArena* thga) {
return THA_GetSize((TwoHeadArena*)thga);
}
Gfx* THGA_GetHead(TwoHeadGfxArena* thga) {
return THA_GetHead((TwoHeadArena*)thga);
}
void THGA_SetHead(TwoHeadGfxArena* thga, Gfx* start) {
THA_SetHead((TwoHeadArena*)thga, start);
}
Gfx* THGA_GetTail(TwoHeadGfxArena* thga) {
return THA_GetTail((TwoHeadArena*)thga);
}
Gfx* THGA_AllocStartArray8(TwoHeadGfxArena* thga, u32 count) {
return THA_AllocStart((TwoHeadArena*)thga, count * 8);
}
Gfx* THGA_AllocStart8(TwoHeadGfxArena* thga) {
return THGA_AllocStartArray8(thga, 1);
}
Gfx* THGA_AllocStart8Wrapper(TwoHeadGfxArena* thga) {
return THGA_AllocStart8(thga);
}
Gfx* THGA_AllocEnd(TwoHeadGfxArena* thga, size_t size) {
return THA_AllocEnd((TwoHeadArena*)thga, size);
}
Gfx* THGA_AllocEndArray64(TwoHeadGfxArena* thga, u32 count) {
return THGA_AllocEnd(thga, count * 0x40);
}
Gfx* THGA_AllocEnd64(TwoHeadGfxArena* thga) {
return THGA_AllocEnd(thga, 0x40);
}
Gfx* THGA_AllocEndArray16(TwoHeadGfxArena* thga, u32 count) {
return THGA_AllocEnd(thga, count * 0x10);
}
Gfx* THGA_AllocEnd16(TwoHeadGfxArena* thga) {
return THGA_AllocEnd(thga, 0x10);
}
void* THA_GetHead(TwoHeadArena* tha) {
return tha->head;
}
void THA_SetHead(TwoHeadArena* tha, void* start) {
tha->head = start;
}
void* THA_GetTail(TwoHeadArena* tha) {
return tha->tail;
}
void* THA_AllocStart(TwoHeadArena* tha, size_t size) {
void* start = tha->head;
tha->head = (uintptr_t)tha->head + size;
return start;
}
void* THA_AllocStart1(TwoHeadArena* tha) {
return THA_AllocStart(tha, 1);
}
void* THA_AllocEnd(TwoHeadArena* tha, size_t size) {
size_t mask;
if (size == 8) {
mask = ~7;
} else if (size == 4 || size == 12) {
mask = ~3;
} else if (size == 2 || size == 6 || size == 10 || size == 12 || size == 14) {
mask = ~1;
} else {
mask = (size >= 0x10) ? ~0xF : 0;
}
tha->tail = (((uintptr_t)tha->tail & mask) - size) & mask;
return tha->tail;
}
void* THA_AllocEndAlign16(TwoHeadArena* tha, size_t size) {
size_t mask = ~0xF;
tha->tail = (((uintptr_t)tha->tail & mask) - size) & mask;
return tha->tail;
}
void* THA_AllocEndAlign(TwoHeadArena* tha, size_t size, size_t mask) {
tha->tail = (((uintptr_t)tha->tail & mask) - size) & mask;
return tha->tail;
}
s32 THA_GetSize(TwoHeadArena* tha) {
return (uintptr_t)tha->tail - (uintptr_t)tha->head;
}
u32 THA_IsCrash(TwoHeadArena* tha) {
return THA_GetSize(tha) < 0;
}
void THA_Init(TwoHeadArena* tha) {
tha->head = tha->bufp;
tha->tail = (uintptr_t)tha->bufp + tha->size;
}
void THA_Ct(TwoHeadArena* tha, void* ptr, size_t size) {
tha->bufp = ptr;
tha->size = size;
THA_Init(tha);
}
void THA_Dt(TwoHeadArena* tha) {
memset(tha,0, sizeof(TwoHeadArena));
}