Blender: cache.c File Reference

Blender V2.93

#include "MEM_guardedalloc.h"
#include "BLI_ghash.h"
#include "BLI_listbase.h"
#include "BLI_memarena.h"
#include "BLI_threads.h"
#include "BLI_utildefines.h"
#include "IMB_filetype.h"
#include "IMB_imbuf.h"
#include "IMB_imbuf_types.h"
#include "imbuf.h"

Go to the source code of this file.

Classes
struct	ImGlobalTile

struct	ImThreadTile

struct	ImThreadTileCache

struct	ImGlobalTileCache

Functions
Hash Functions
static unsigned int	imb_global_tile_hash (const void *gtile_p)

static bool	imb_global_tile_cmp (const void a_p, const void b_p)

static unsigned int	imb_thread_tile_hash (const void *ttile_p)

static bool	imb_thread_tile_cmp (const void a_p, const void b_p)

Load/Unload
static void	imb_global_cache_tile_load (ImGlobalTile *gtile)

static void	imb_global_cache_tile_unload (ImGlobalTile *gtile)

void	imb_tile_cache_tile_free (ImBuf *ibuf, int tx, int ty)

Init/Exit
static void	imb_thread_cache_init (ImThreadTileCache *cache)

static void	imb_thread_cache_exit (ImThreadTileCache *cache)

void	imb_tile_cache_init (void)

void	imb_tile_cache_exit (void)

void	IMB_tile_cache_params (int totthread, int maxmem)

Global Cache
static ImGlobalTile *	imb_global_cache_get_tile (ImBuf ibuf, int tx, int ty, ImGlobalTile replacetile)

Per-Thread Cache
static unsigned int *	imb_thread_cache_get_tile (ImThreadTileCache cache, ImBuf ibuf, int tx, int ty)

unsigned int *	IMB_gettile (ImBuf *ibuf, int tx, int ty, int thread)

void	IMB_tiles_to_rect (ImBuf *ibuf)

Local Structs
#define	IB_THREAD_CACHE_SIZE 100

typedef struct ImGlobalTile	ImGlobalTile

typedef struct ImThreadTile	ImThreadTile

typedef struct ImThreadTileCache	ImThreadTileCache

typedef struct ImGlobalTileCache	ImGlobalTileCache

static ImGlobalTileCache	GLOBAL_CACHE

Macro Definition Documentation

◆ IB_THREAD_CACHE_SIZE

#define IB_THREAD_CACHE_SIZE 100

Definition at line 48 of file cache.c.

Typedef Documentation

◆ ImGlobalTile

typedef struct ImGlobalTile ImGlobalTile

◆ ImGlobalTileCache

typedef struct ImGlobalTileCache ImGlobalTileCache

◆ ImThreadTile

typedef struct ImThreadTile ImThreadTile

◆ ImThreadTileCache

typedef struct ImThreadTileCache ImThreadTileCache

Function Documentation

◆ IMB_gettile()

unsigned int* IMB_gettile	(	ImBuf *	ibuf,
		int	tx,
		int	ty,
		int	thread
	)

Definition at line 437 of file cache.c.

References GLOBAL_CACHE, imb_thread_cache_get_tile(), and ImGlobalTileCache::thread_cache.

◆ imb_global_cache_get_tile()

static ImGlobalTile* imb_global_cache_get_tile	(	ImBuf *	ibuf,
		int	tx,
		int	ty,
		ImGlobalTile *	replacetile
	)

static

◆ imb_global_cache_tile_load()

static void imb_global_cache_tile_load ( ImGlobalTile * gtile )

static

Definition at line 134 of file cache.c.

References ImGlobalTile::ibuf, imb_loadtile(), MEM_callocN, ImBuf::tiles, ImBuf::tilex, ImBuf::tiley, ImGlobalTile::tx, ImGlobalTile::ty, and ImBuf::xtiles.

Referenced by imb_global_cache_get_tile().

◆ imb_global_cache_tile_unload()

static void imb_global_cache_tile_unload ( ImGlobalTile * gtile )

static

Definition at line 145 of file cache.c.

References GLOBAL_CACHE, ImGlobalTile::ibuf, MEM_freeN, NULL, ImBuf::tiles, ImBuf::tilex, ImBuf::tiley, ImGlobalTileCache::totmem, ImGlobalTile::tx, ImGlobalTile::ty, and ImBuf::xtiles.

Referenced by imb_global_cache_get_tile(), and imb_tile_cache_exit().

◆ imb_global_tile_cmp()

static bool imb_global_tile_cmp	(	const void *	a_p,
		const void *	b_p
	)

static

Definition at line 105 of file cache.c.

References Freestyle::a, ImGlobalTile::ibuf, ImGlobalTile::tx, and ImGlobalTile::ty.

Referenced by IMB_tile_cache_params().

◆ imb_global_tile_hash()

static unsigned int imb_global_tile_hash ( const void * gtile_p )

static

Definition at line 98 of file cache.c.

References ImGlobalTile::ibuf, ImGlobalTile::tx, and ImGlobalTile::ty.

Referenced by IMB_tile_cache_params().

◆ imb_thread_cache_exit()

static void imb_thread_cache_exit ( ImThreadTileCache * cache )

static

Definition at line 205 of file cache.c.

References BLI_ghash_free(), NULL, and ImThreadTileCache::tilehash.

Referenced by imb_tile_cache_exit().

◆ imb_thread_cache_get_tile()

static unsigned int* imb_thread_cache_get_tile	(	ImThreadTileCache *	cache,
		ImBuf *	ibuf,
		int	tx,
		int	ty
	)

static

Definition at line 382 of file cache.c.

References BLI_addhead(), BLI_ghash_insert(), BLI_ghash_lookup(), BLI_ghash_remove(), BLI_listbase_is_empty(), BLI_remlink(), ListBase::first, ImThreadTile::global, ImGlobalTile::ibuf, ImThreadTile::ibuf, imb_global_cache_get_tile(), ListBase::last, NULL, ImThreadTileCache::tilehash, ImBuf::tiles, ImThreadTileCache::tiles, ImGlobalTile::tx, ImThreadTile::tx, ImGlobalTile::ty, ImThreadTile::ty, ImThreadTileCache::unused, and ImBuf::xtiles.

Referenced by IMB_gettile().

◆ imb_thread_cache_init()

static void imb_thread_cache_init ( ImThreadTileCache * cache )

static

Definition at line 188 of file cache.c.

References Freestyle::a, BLI_addtail(), BLI_ghash_new(), BLI_memarena_alloc(), GLOBAL_CACHE, IB_THREAD_CACHE_SIZE, imb_thread_tile_cmp(), imb_thread_tile_hash(), ImGlobalTileCache::memarena, ImThreadTileCache::tilehash, and ImThreadTileCache::unused.

Referenced by IMB_tile_cache_params().

◆ imb_thread_tile_cmp()

static bool imb_thread_tile_cmp	(	const void *	a_p,
		const void *	b_p
	)

static

Definition at line 120 of file cache.c.

References Freestyle::a, ImThreadTile::ibuf, ImThreadTile::tx, and ImThreadTile::ty.

Referenced by imb_thread_cache_init().

◆ imb_thread_tile_hash()

static unsigned int imb_thread_tile_hash ( const void * ttile_p )

static

Definition at line 113 of file cache.c.

References ImThreadTile::ibuf, ImThreadTile::tx, and ImThreadTile::ty.

Referenced by imb_thread_cache_init().

◆ imb_tile_cache_exit()

void imb_tile_cache_exit ( void )

Definition at line 223 of file cache.c.

References Freestyle::a, BLI_ghash_free(), BLI_memarena_free(), BLI_mutex_end(), ListBase::first, GLOBAL_CACHE, imb_global_cache_tile_unload(), imb_thread_cache_exit(), ImGlobalTileCache::initialized, ImGlobalTileCache::memarena, ImGlobalTileCache::mutex, ImGlobalTile::next, NULL, ImGlobalTileCache::thread_cache, ImGlobalTileCache::tilehash, ImGlobalTileCache::tiles, and ImGlobalTileCache::totthread.

Referenced by IMB_exit(), and IMB_tile_cache_params().

◆ imb_tile_cache_init()

void imb_tile_cache_init ( void )

Definition at line 210 of file cache.c.

References BLI_mutex_init(), GLOBAL_CACHE, IMB_tile_cache_params(), ImGlobalTileCache::initialized, and ImGlobalTileCache::mutex.

Referenced by IMB_init().

◆ IMB_tile_cache_params()

void IMB_tile_cache_params	(	int	totthread,
		int	maxmem
	)

Attention: Defined in cache.c

Definition at line 252 of file cache.c.

References Freestyle::a, BLI_ghash_new(), BLI_memarena_new(), BLI_MEMARENA_STD_BUFSIZE, BLI_memarena_use_calloc(), BLI_mutex_init(), GLOBAL_CACHE, imb_global_tile_cmp(), imb_global_tile_hash(), imb_thread_cache_init(), imb_tile_cache_exit(), ImGlobalTileCache::maxmem, ImGlobalTileCache::memarena, ImGlobalTileCache::mutex, ImGlobalTileCache::thread_cache, ImGlobalTileCache::tilehash, and ImGlobalTileCache::totthread.

Referenced by imb_tile_cache_init().

◆ imb_tile_cache_tile_free()

void imb_tile_cache_tile_free	(	ImBuf *	ibuf,
		int	tx,
		int	ty
	)

Definition at line 157 of file cache.c.

References BLI_addtail(), BLI_ghash_lookup(), BLI_ghash_remove(), BLI_mutex_lock(), BLI_mutex_unlock(), BLI_remlink(), GLOBAL_CACHE, ImGlobalTile::ibuf, ImGlobalTile::loading, ImGlobalTileCache::mutex, NULL, ImGlobalTileCache::tilehash, ImGlobalTileCache::tiles, ImGlobalTile::tx, ImGlobalTile::ty, and ImGlobalTileCache::unused.

Referenced by imb_freetilesImBuf().

◆ IMB_tiles_to_rect()

void IMB_tiles_to_rect ( ImBuf * ibuf )

Definition at line 442 of file cache.c.

References Freestyle::a, BLI_mutex_lock(), BLI_mutex_unlock(), ImBuf::flags, from, GLOBAL_CACHE, IB_rect, IMB_getmipmap(), imb_global_cache_get_tile(), ImBuf::mall, MEM_callocN, ImBuf::miptot, ImGlobalTileCache::mutex, NULL, ImBuf::rect, ImGlobalTile::refcount, ImBuf::tiles, ImBuf::tilex, ImBuf::tiley, w(), ImBuf::x, ImBuf::xtiles, y, ImBuf::y, and ImBuf::ytiles.

Variable Documentation

◆ GLOBAL_CACHE

ImGlobalTileCache GLOBAL_CACHE

static

Definition at line 90 of file cache.c.

Referenced by IMB_gettile(), imb_global_cache_get_tile(), imb_global_cache_tile_unload(), imb_thread_cache_init(), imb_tile_cache_exit(), imb_tile_cache_init(), IMB_tile_cache_params(), imb_tile_cache_tile_free(), and IMB_tiles_to_rect().