/*
==============
Cache_Check
==============
*/
void *Cache_Check (cache_user_t *c)
{
cache_system_t *cs;
if (!c->data)
return NULL;
cs = ((cache_system_t *)c->data) - 1;
// move to head of LRU
Cache_UnlinkLRU (cs);
Cache_MakeLRU (cs);
return c->data;
}
/*
* ==============
* Cache_Check
* ==============
*/
void *
Cache_Check(const cache_user_t *c)
{
cache_system_t *cs;
if (!c->data)
return NULL;
cs = Cache_System(c);
/* move to head of LRU */
Cache_UnlinkLRU(cs);
Cache_MakeLRU(cs);
return c->data;
}
/*
==============
Cache_Free
Frees the memory and removes it from the LRU list
==============
*/
void Cache_Free (cache_user_t *c)
{
cache_system_t *cs;
if (!c->data)
Sys_Error ("Cache_Free: not allocated");
cs = ((cache_system_t *)c->data) - 1;
cs->prev->next = cs->next;
cs->next->prev = cs->prev;
cs->next = cs->prev = NULL;
c->data = NULL;
Cache_UnlinkLRU (cs);
}
/*
* ==============
* Cache_Free
*
* Frees the memory and removes it from the LRU list
* ==============
*/
void
Cache_Free(cache_user_t *c)
{
cache_system_t *cs;
if (!c->data)
Sys_Error("%s: not allocated", __func__);
cs = Cache_System(c);
cs->prev->next = cs->next;
cs->next->prev = cs->prev;
cs->next = cs->prev = NULL;
c->pad = 0;
c->data = NULL;
Cache_UnlinkLRU(cs);
}
/*
==============
Cache_Free
Frees the memory and removes it from the LRU list
==============
*/
void Cache_Free (cache_user_t *c, qboolean freetextures) //johnfitz -- added second argument
{
cache_system_t *cs;
if (!c->data)
Sys_Error ("Cache_Free: not allocated");
cs = ((cache_system_t *)c->data) - 1;
cs->prev->next = cs->next;
cs->next->prev = cs->prev;
cs->next = cs->prev = NULL;
c->data = NULL;
Cache_UnlinkLRU (cs);
//johnfitz -- if a model becomes uncached, free the gltextures. This only works
//becuase the cache_user_t is the last component of the qmodel_t struct. Should
//fail harmlessly if *c is actually part of an sfx_t struct. I FEEL DIRTY
if (freetextures)
TexMgr_FreeTexturesForOwner ((qmodel_t *)(c + 1) - 1);
}
