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125 lines
4.6 KiB
C
125 lines
4.6 KiB
C
// SONIC ROBO BLAST 2
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//-----------------------------------------------------------------------------
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// Copyright (C) 1993-1996 by id Software, Inc.
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// Copyright (C) 1998-2000 by DooM Legacy Team.
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// Copyright (C) 1999-2016 by Sonic Team Junior.
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//
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// This program is free software distributed under the
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// terms of the GNU General Public License, version 2.
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// See the 'LICENSE' file for more details.
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//-----------------------------------------------------------------------------
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/// \file z_zone.h
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/// \brief Zone Memory Allocation, perhaps NeXT ObjectiveC inspired
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#ifndef __Z_ZONE__
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#define __Z_ZONE__
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#include <stdio.h>
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#include "doomtype.h"
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#ifdef __GNUC__ // __attribute__ ((X))
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#if (__GNUC__ > 4) || (__GNUC__ == 4 && (__GNUC_MINOR__ >= 3 || (__GNUC_MINOR__ == 2 && __GNUC_PATCHLEVEL__ >= 5)))
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#define FUNCALLOC(X) __attribute__((alloc_size(X)))
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#endif // odd, it is documented in GCC 4.3.0 but it exists in 4.2.4, at least
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#endif
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#ifndef FUNCALLOC
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#define FUNCALLOC(x)
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#endif
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//#define ZDEBUG
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//
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// ZONE MEMORY
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// PU - purge tags.
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// Tags < PU_LEVEL are not purged until freed explicitly.
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#define PU_STATIC 1 // static entire execution time
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#define PU_LUA 2 // static entire execution time -- used by lua so it doesn't get caught in loops forever
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#define PU_SOUND 11 // static while playing
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#define PU_MUSIC 12 // static while playing
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#define PU_HUDGFX 13 // static until WAD added
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#define PU_HWRPATCHINFO 21 // Hardware GLPatch_t struct for OpenGL texture cache
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#define PU_HWRPATCHCOLMIPMAP 22 // Hardware GLMipmap_t struct colromap variation of patch
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#define PU_HWRCACHE 48 // static until unlocked
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#define PU_CACHE 49 // static until unlocked
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// Tags s.t. PU_LEVEL <= tag < PU_PURGELEVEL are purged at level start
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#define PU_LEVEL 50 // static until level exited
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#define PU_LEVSPEC 51 // a special thinker in a level
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#define PU_HWRPLANE 52
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// Tags >= PU_PURGELEVEL are purgable whenever needed
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#define PU_PURGELEVEL 100
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#define PU_CACHE_UNLOCKED 101
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#define PU_HWRCACHE_UNLOCKED 102 // 'second-level' cache for graphics
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// stored in hardware format and downloaded as needed
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#define PU_HWRPATCHINFO_UNLOCKED 103
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void Z_Init(void);
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void Z_FreeTags(INT32 lowtag, INT32 hightag);
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void Z_CheckMemCleanup(void);
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void Z_CheckHeap(INT32 i);
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#ifdef PARANOIA
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void Z_ChangeTag2(void *ptr, INT32 tag, const char *file, INT32 line);
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#else
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void Z_ChangeTag2(void *ptr, INT32 tag);
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#endif
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#ifdef PARANOIA
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void Z_SetUser2(void *ptr, void **newuser, const char *file, INT32 line);
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#else
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void Z_SetUser2(void *ptr, void **newuser);
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#endif
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#ifdef ZDEBUG
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#define Z_Free(p) Z_Free2(p, __FILE__, __LINE__)
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void Z_Free2(void *ptr, const char *file, INT32 line);
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#define Z_Malloc(s,t,u) Z_Malloc2(s, t, u, 0, __FILE__, __LINE__)
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#define Z_MallocAlign(s,t,u,a) Z_Malloc2(s, t, u, a, __FILE__, __LINE__)
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void *Z_Malloc2(size_t size, INT32 tag, void *user, INT32 alignbits, const char *file, INT32 line) FUNCALLOC(1);
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#define Z_Calloc(s,t,u) Z_Calloc2(s, t, u, 0, __FILE__, __LINE__)
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#define Z_CallocAlign(s,t,u,a) Z_Calloc2(s, t, u, a, __FILE__, __LINE__)
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void *Z_Calloc2(size_t size, INT32 tag, void *user, INT32 alignbits, const char *file, INT32 line) FUNCALLOC(1);
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#define Z_Realloc(p,s,t,u) Z_Realloc2(p, s, t, u, 0, __FILE__, __LINE__)
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#define Z_ReallocAlign(p,s,t,u,a) Z_Realloc2(p,s, t, u, a, __FILE__, __LINE__)
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void *Z_Realloc2(void *ptr, size_t size, INT32 tag, void *user, INT32 alignbits, const char *file, INT32 line) FUNCALLOC(2);
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#else
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void Z_Free(void *ptr);
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void *Z_MallocAlign(size_t size, INT32 tag, void *user, INT32 alignbits) FUNCALLOC(1);
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#define Z_Malloc(s,t,u) Z_MallocAlign(s, t, u, 0)
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void *Z_CallocAlign(size_t size, INT32 tag, void *user, INT32 alignbits) FUNCALLOC(1);
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#define Z_Calloc(s,t,u) Z_CallocAlign(s, t, u, 0)
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void *Z_ReallocAlign(void *ptr, size_t size, INT32 tag, void *user, INT32 alignbits) FUNCALLOC(2) ;
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#define Z_Realloc(p, s,t,u) Z_ReallocAlign(p, s, t, u, 0)
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#endif
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size_t Z_TagUsage(INT32 tagnum);
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size_t Z_TagsUsage(INT32 lowtag, INT32 hightag);
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char *Z_StrDup(const char *in);
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// This is used to get the local FILE : LINE info from CPP
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// prior to really call the function in question.
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//
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#ifdef PARANOIA
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#define Z_ChangeTag(p,t) Z_ChangeTag2(p, t, __FILE__, __LINE__)
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#else
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#define Z_ChangeTag(p,t) Z_ChangeTag2(p, t)
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#endif
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#ifdef PARANOIA
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#define Z_SetUser(p,u) Z_SetUser2(p, u, __FILE__, __LINE__)
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#else
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#define Z_SetUser(p,u) Z_SetUser2(p, u)
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#endif
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#ifdef _NDS ///TODO: need a lock reference system
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#define Z_Unlock(p) Z_ChangeTag(p, PU_CACHE_UNLOCKED)
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#else
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#define Z_Unlock(p) (void)p
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#endif
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#endif
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