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80 lines
2.3 KiB
C
80 lines
2.3 KiB
C
#ifndef texcache_h_
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# define texcache_h_
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#ifdef __cplusplus
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extern "C" {
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#endif
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#ifdef USE_OPENGL
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#define TEXCACHEMAGIC "LZ41"
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#define GLTEXCACHEADSIZ 8192
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#define TEXCACHEHASHSIZE 1024
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enum texcacherr_t
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{
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TEXCACHERR_NOERROR,
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TEXCACHERR_OUTOFMEMORY, /* unused */
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TEXCACHERR_BUFFERUNDERRUN,
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TEXCACHERR_DEDXT,
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TEXCACHERR_COMPTEX,
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TEXCACHERR_GETTEXLEVEL,
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TEXCACHEERRORS
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};
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struct texcacheitem_t
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{
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char name[BMAX_PATH];
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int32_t offset;
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int32_t len;
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struct texcacheitem_t *next;
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};
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typedef struct texcacheitem_t texcacheindex;
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typedef struct {
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int32_t filehandle, filepos, numentries, iptrcnt;
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FILE *index;
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pthtyp *list[GLTEXCACHEADSIZ];
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texcacheindex *firstindex, *currentindex, **iptrs;
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hashtable_t hashes;
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struct {
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uint8_t *ptr;
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int32_t size;
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// Set to 1 when we failed (re)allocating space for the memcache or failing to
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// read into it (which would presumably generate followup errors spamming the
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// log otherwise):
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int32_t noalloc;
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} memcache;
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} globaltexcache;
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extern globaltexcache texcache;
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extern char TEXCACHEFILE[BMAX_PATH];
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extern int32_t texcache_enabled(void);
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extern void texcache_freeptrs(void);
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extern void texcache_syncmemcache(void);
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extern void texcache_init(void);
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extern int32_t texcache_loadoffsets(void);
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extern int32_t texcache_readdata(void *dest, int32_t len);
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extern pthtyp *texcache_fetch(int32_t dapicnum, int32_t dapalnum, int32_t dashade, int32_t dameth);
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extern int32_t texcache_loadskin(const texcacheheader *head, int32_t *doalloc, GLuint *glpic, vec2_t *siz);
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extern int32_t texcache_loadtile(const texcacheheader *head, int32_t *doalloc, pthtyp *pth);
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extern char const * texcache_calcid(char *cachefn, const char *fn, const int32_t len, const int32_t dameth, const char effect);
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extern void texcache_prewritetex(texcacheheader *head);
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extern void texcache_postwritetex(char const * const cachefn, int32_t const offset);
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extern void texcache_writetex_fromdriver(char const * cachefn, texcacheheader *head);
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extern int32_t texcache_readtexheader(char const * cachefn, texcacheheader *head, int32_t modelp);
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extern void texcache_openfiles(void);
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extern void texcache_setupmemcache(void);
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extern void texcache_checkgarbage(void);
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extern void texcache_setupindex(void);
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#endif
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#ifdef __cplusplus
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}
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#endif
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#endif
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