BLI_bitmap.h File Reference

#include "BLI_utildefines.h"

Go to the source code of this file.

Macros
#define	_BITMAP_POWER   5
#define	_BITMAP_MASK   31
#define	_BITMAP_NUM_BLOCKS(_tot)   (((_tot) >> _BITMAP_POWER) + 1)
#define	BLI_BITMAP_SIZE(_tot)   ((size_t)(_BITMAP_NUM_BLOCKS(_tot)) * sizeof(BLI_bitmap))
#define	BLI_BITMAP_NEW(_tot, _alloc_string)    ((BLI_bitmap *)MEM_callocN(BLI_BITMAP_SIZE(_tot), _alloc_string))
#define	BLI_BITMAP_NEW_ALLOCA(_tot)    ((BLI_bitmap *)memset(alloca(BLI_BITMAP_SIZE(_tot)), 0, BLI_BITMAP_SIZE(_tot)))
#define	BLI_BITMAP_NEW_MEMARENA(_mem, _tot)
#define	BLI_BITMAP_TEST(_bitmap, _index)
#define	BLI_BITMAP_TEST_AND_SET_ATOMIC(_bitmap, _index)
#define	BLI_BITMAP_TEST_BOOL(_bitmap, _index)
#define	BLI_BITMAP_ENABLE(_bitmap, _index)
#define	BLI_BITMAP_DISABLE(_bitmap, _index)
#define	BLI_BITMAP_FLIP(_bitmap, _index)
#define	BLI_BITMAP_SET(_bitmap, _index, _set)
#define	BLI_BITMAP_RESIZE(_bitmap, _tot)

Typedefs
typedef unsigned int	BLI_bitmap

Functions
void	BLI_bitmap_set_all (BLI_bitmap *bitmap, bool set, size_t bits)
void	BLI_bitmap_flip_all (BLI_bitmap *bitmap, size_t bits)
void	BLI_bitmap_copy_all (BLI_bitmap *dst, const BLI_bitmap *src, size_t bits)
void	BLI_bitmap_and_all (BLI_bitmap *dst, const BLI_bitmap *src, size_t bits)
void	BLI_bitmap_or_all (BLI_bitmap *dst, const BLI_bitmap *src, size_t bits)

Macro Definition Documentation

_BITMAP_MASK

#define _BITMAP_MASK   31

Definition at line 41 of file BLI_bitmap.h.

_BITMAP_NUM_BLOCKS

#define _BITMAP_NUM_BLOCKS

(

_tot

)

(((_tot) >> _BITMAP_POWER) + 1)

Definition at line 44 of file BLI_bitmap.h.

_BITMAP_POWER

#define _BITMAP_POWER   5

Definition at line 39 of file BLI_bitmap.h.

BLI_BITMAP_DISABLE

#define BLI_BITMAP_DISABLE	(		_bitmap,
			_index
	)

Value:

  (CHECK_TYPE_ANY(_bitmap, BLI_bitmap *, const BLI_bitmap *), \
   ((_bitmap)[(_index) >> _BITMAP_POWER] &= ~(1u << ((_index)&_BITMAP_MASK))))

Definition at line 83 of file BLI_bitmap.h.

BLI_BITMAP_ENABLE

#define BLI_BITMAP_ENABLE	(		_bitmap,
			_index
	)

Value:

  (CHECK_TYPE_ANY(_bitmap, BLI_bitmap *, const BLI_bitmap *), \
   ((_bitmap)[(_index) >> _BITMAP_POWER] |= (1u << ((_index)&_BITMAP_MASK))))

Definition at line 78 of file BLI_bitmap.h.

BLI_BITMAP_FLIP

#define BLI_BITMAP_FLIP	(		_bitmap,
			_index
	)

Value:

  (CHECK_TYPE_ANY(_bitmap, BLI_bitmap *, const BLI_bitmap *), \
   ((_bitmap)[(_index) >> _BITMAP_POWER] ^= (1u << ((_index)&_BITMAP_MASK))))

Definition at line 88 of file BLI_bitmap.h.

BLI_BITMAP_NEW

#define BLI_BITMAP_NEW	(		_tot,
			_alloc_string
	)		((BLI_bitmap *)MEM_callocN(BLI_BITMAP_SIZE(_tot), _alloc_string))

Definition at line 50 of file BLI_bitmap.h.

BLI_BITMAP_NEW_ALLOCA

#define BLI_BITMAP_NEW_ALLOCA

(

_tot

)

((BLI_bitmap *)memset(alloca(BLI_BITMAP_SIZE(_tot)), 0, BLI_BITMAP_SIZE(_tot)))

Definition at line 54 of file BLI_bitmap.h.

BLI_BITMAP_NEW_MEMARENA

#define BLI_BITMAP_NEW_MEMARENA	(		_mem,
			_tot
	)

Value:

  (CHECK_TYPE_INLINE(_mem, MemArena *), \
   ((BLI_bitmap *)BLI_memarena_calloc(_mem, BLI_BITMAP_SIZE(_tot))))

Definition at line 58 of file BLI_bitmap.h.

BLI_BITMAP_RESIZE

#define BLI_BITMAP_RESIZE	(		_bitmap,
			_tot
	)

Value:

  { \
    CHECK_TYPE(_bitmap, BLI_bitmap *); \
    (_bitmap) = MEM_recallocN(_bitmap, BLI_BITMAP_SIZE(_tot)); \
  } \
  (void)0

Definition at line 106 of file BLI_bitmap.h.

BLI_BITMAP_SET

#define BLI_BITMAP_SET	(		_bitmap,
			_index,
			_set
	)

Value:

  { \
    CHECK_TYPE(_bitmap, BLI_bitmap *); \
    if (_set) { \
      BLI_BITMAP_ENABLE(_bitmap, _index); \
    } \
    else { \
      BLI_BITMAP_DISABLE(_bitmap, _index); \
    } \
  } \
  (void)0

Definition at line 93 of file BLI_bitmap.h.

BLI_BITMAP_SIZE

#define BLI_BITMAP_SIZE

(

_tot

)

((size_t)(_BITMAP_NUM_BLOCKS(_tot)) * sizeof(BLI_bitmap))

Definition at line 47 of file BLI_bitmap.h.

BLI_BITMAP_TEST

#define BLI_BITMAP_TEST	(		_bitmap,
			_index
	)

Value:

  (CHECK_TYPE_ANY(_bitmap, BLI_bitmap *, const BLI_bitmap *), \
   ((_bitmap)[(_index) >> _BITMAP_POWER] & (1u << ((_index)&_BITMAP_MASK))))

Definition at line 63 of file BLI_bitmap.h.

BLI_BITMAP_TEST_AND_SET_ATOMIC

#define BLI_BITMAP_TEST_AND_SET_ATOMIC	(		_bitmap,
			_index
	)

Value:

  (CHECK_TYPE_ANY(_bitmap, BLI_bitmap *, const BLI_bitmap *), \
   (atomic_fetch_and_or_uint32((uint32_t *)&(_bitmap)[(_index) >> _BITMAP_POWER], \
                               (1u << ((_index)&_BITMAP_MASK))) & \
    (1u << ((_index)&_BITMAP_MASK))))

Definition at line 67 of file BLI_bitmap.h.

BLI_BITMAP_TEST_BOOL

#define BLI_BITMAP_TEST_BOOL	(		_bitmap,
			_index
	)

Value:

  (CHECK_TYPE_ANY(_bitmap, BLI_bitmap *, const BLI_bitmap *), \
   (BLI_BITMAP_TEST(_bitmap, _index) != 0))

Definition at line 73 of file BLI_bitmap.h.

Typedef Documentation

BLI_bitmap

typedef unsigned int BLI_bitmap

Definition at line 32 of file BLI_bitmap.h.

Function Documentation

BLI_bitmap_and_all()

void BLI_bitmap_and_all	(	BLI_bitmap *	dst,
		const BLI_bitmap *	src,
		size_t	bits
	)

Combine two bitmaps with boolean AND.

Definition at line 54 of file bitmap.c.

References _BITMAP_NUM_BLOCKS.

BLI_bitmap_copy_all()

void BLI_bitmap_copy_all	(	BLI_bitmap *	dst,
		const BLI_bitmap *	src,
		size_t	bits
	)

Copy all bits from one bitmap to another.

Definition at line 48 of file bitmap.c.

References BLI_BITMAP_SIZE.

BLI_bitmap_flip_all()

void BLI_bitmap_flip_all	(	BLI_bitmap *	bitmap,
		size_t	bits
	)

Invert all bits in the bitmap.

Definition at line 39 of file bitmap.c.

References _BITMAP_NUM_BLOCKS.

BLI_bitmap_or_all()

void BLI_bitmap_or_all	(	BLI_bitmap *	dst,
		const BLI_bitmap *	src,
		size_t	bits
	)

Combine two bitmaps with boolean OR.

Definition at line 63 of file bitmap.c.

References _BITMAP_NUM_BLOCKS.

BLI_bitmap_set_all()

void BLI_bitmap_set_all	(	BLI_bitmap *	bitmap,
		bool	set,
		size_t	bits
	)

Set or clear all bits in the bitmap.

Definition at line 33 of file bitmap.c.

References BLI_BITMAP_SIZE.

Referenced by BKE_mesh_remap_calc_loops_from_mesh(), BKE_sculpt_sync_face_sets_visibility_to_grids(), BLI_astar_graph_solve(), DRW_sparse_uniform_buffer_clear(), EEVEE_shadows_cache_init(), EEVEE_shadows_update(), gpencil_layer_cache_add(), lib_relocate_do(), loose_verts_map_get(), mesh_normals_loop_custom_set(), nla_eval_domain_action(), nlasnapshot_enable_all_blend_domain(), nlasnapshot_from_action(), SCULPT_geodesic_mesh_create(), subdiv_foreach_ctx_init(), and wm_link_do().