BLI_hash.h File Reference

#include "BLI_utildefines.h"

Go to the source code of this file.

Macros
#define	rot(x, k)
#define	final(a, b, c)

Functions
BLI_INLINE unsigned int	BLI_hash_int_3d (unsigned int kx, unsigned int ky, unsigned int kz)
BLI_INLINE unsigned int	BLI_hash_int_2d (unsigned int kx, unsigned int ky)
BLI_INLINE unsigned int	BLI_hash_string (const char *str)
BLI_INLINE float	BLI_hash_int_2d_to_float (uint32_t kx, uint32_t ky)
BLI_INLINE float	BLI_hash_int_3d_to_float (uint32_t kx, uint32_t ky, uint32_t kz)
BLI_INLINE unsigned int	BLI_hash_int (unsigned int k)
BLI_INLINE float	BLI_hash_int_01 (unsigned int k)
BLI_INLINE void	BLI_hash_pointer_to_color (const void *ptr, int *r, int *g, int *b)

Macro Definition Documentation

final

#define final	(		a,
			b,
			c )

Value:

  { \
    c ^= b; \
    c -= rot(b, 14); \
    a ^= c; \
    a -= rot(c, 11); \
    b ^= a; \
    b -= rot(a, 25); \
    c ^= b; \
    c -= rot(b, 16); \
    a ^= c; \
    a -= rot(c, 4); \
    b ^= a; \
    b -= rot(a, 14); \
    c ^= b; \
    c -= rot(b, 24); \
  } \
  ((void)0)

Definition at line 23 of file BLI_hash.h.

Referenced by blender::ui::AbstractTreeViewItem::begin_renaming(), blender::ui::AbstractGridViewItem::build_grid_tile(), blender::ui::AbstractTreeViewItem::build_row(), blender::nodes::node_fn_align_rotation_to_vector_cc::AlignRotationToVectorFunction::get_execution_hints(), blender::nodes::node_geo_curve_endpoint_selection_cc::EndpointFieldInput::hash(), blender::nodes::node_geo_curve_handle_type_selection_cc::HandleTypeFieldInput::hash(), blender::nodes::node_geo_curve_spline_parameter_cc::IndexOnSplineFieldInput::hash(), blender::nodes::node_geo_curve_topology_curve_of_point_cc::PointIndexInCurveInput::hash(), blender::nodes::node_geo_curve_topology_points_of_curve_cc::CurvePointCountInput::hash(), blender::nodes::node_geo_curve_topology_points_of_curve_cc::CurveStartPointInput::hash(), blender::nodes::node_geo_index_of_nearest_cc::HasNeighborFieldInput::hash(), blender::nodes::node_geo_index_of_nearest_cc::IndexOfNearestFieldInput::hash(), blender::nodes::node_geo_input_curve_handles_cc::HandlePositionFieldInput::hash(), blender::nodes::node_geo_input_spline_resolution_cc::ResolutionFieldInput::hash(), blender::nodes::node_geo_mesh_topology_corners_of_edge_cc::CornersOfEdgeCountInput::hash(), blender::nodes::node_geo_mesh_topology_corners_of_face_cc::CornersOfFaceCountInput::hash(), blender::nodes::node_geo_mesh_topology_corners_of_face_cc::CornersOfFaceInput::hash(), blender::nodes::node_geo_mesh_topology_corners_of_vertex_cc::CornersOfVertCountInput::hash(), blender::nodes::node_geo_mesh_topology_corners_of_vertex_cc::CornersOfVertInput::hash(), blender::nodes::node_geo_mesh_topology_edges_of_corner_cc::CornerNextEdgeFieldInput::hash(), blender::nodes::node_geo_mesh_topology_edges_of_corner_cc::CornerPreviousEdgeFieldInput::hash(), blender::nodes::node_geo_mesh_topology_edges_of_vertex_cc::EdgesOfVertCountInput::hash(), blender::nodes::node_geo_mesh_topology_edges_of_vertex_cc::EdgesOfVertInput::hash(), blender::nodes::node_geo_mesh_topology_face_of_corner_cc::CornerFaceIndexInput::hash(), blender::nodes::node_geo_mesh_topology_face_of_corner_cc::CornerIndexInFaceInput::hash(), blender::nodes::node_geo_mesh_topology_offset_corner_in_face_cc::OffsetCornerInFaceFieldInput::hash(), blender::nodes::node_geo_mesh_topology_vertex_of_corner_cc::CornerVertFieldInput::hash(), blender::io::usd::USDCurvesWriter::~USDCurvesWriter(), and blender::io::usd::USDPointsWriter::~USDPointsWriter().

rot

#define rot	(		x,
			k )

Value:

(((x) << (k)) | ((x) >> (32 - (k))))

Jenkins Lookup3 Hash Functions. Source: http://burtleburtle.net/bob/c/lookup3.c

Definition at line 22 of file BLI_hash.h.

Function Documentation

BLI_hash_int()

BLI_INLINE unsigned int BLI_hash_int

(

unsigned int

k

)

Definition at line 91 of file BLI_hash.h.

References BLI_hash_int_2d(), and BLI_INLINE.

Referenced by BKE_fluid_cache_new_name_for_current_session(), BLI_hash_int_01(), BLI_hash_pointer_to_color(), blender::ed::sculpt_paint::paint::image::do_paint_pixels(), make_dupli(), and mesh_init_data().

BLI_hash_int_01()

BLI_INLINE float BLI_hash_int_01

(

unsigned int

k

)

Definition at line 96 of file BLI_hash.h.

References BLI_hash_int(), BLI_INLINE, and float.

Referenced by BKE_gpencil_stroke_set_random_color(), BKE_paint_face_set_overlay_color_get(), blender::deform_drawing(), blender::ed::sculpt_paint::color::do_paint_brush(), blender::ed::sculpt_paint::color::do_paint_brush_task(), blender::get_rand_matrix(), gpencil_layer_random_color_get(), grease_pencil_layer_random_color_get(), blender::ed::sculpt_paint::greasepencil::hash_rng(), blender::workbench::Material::Material(), blender::modify_stroke_random(), blender::noise_table(), blender::noise_table(), blender::ed::sculpt_paint::face_set::randomize_colors_exec(), and blender::ed::sculpt_paint::mask::sculpt_mask_init_exec().

BLI_hash_int_2d()

BLI_INLINE unsigned int BLI_hash_int_2d	(	unsigned int	kx,
		unsigned int	ky )

Definition at line 55 of file BLI_hash.h.

References b, and BLI_INLINE.

Referenced by BKE_gpencil_stroke_set_random_color(), BLI_hash_int(), BLI_hash_int_2d_to_float(), drw_call_obinfos_init(), make_dupli(), blender::noise_table(), blender::noise_table(), overlap_hash(), and blender::ed::sculpt_paint::filter::randomize_factors().

BLI_hash_int_2d_to_float()

BLI_INLINE float BLI_hash_int_2d_to_float	(	uint32_t	kx,
		uint32_t	ky )

Definition at line 81 of file BLI_hash.h.

References BLI_hash_int_2d(), BLI_INLINE, and float.

BLI_hash_int_3d()

BLI_INLINE unsigned int BLI_hash_int_3d	(	unsigned int	kx,
		unsigned int	ky,
		unsigned int	kz )

Definition at line 42 of file BLI_hash.h.

References b, and BLI_INLINE.

Referenced by BLI_hash_int_3d_to_float(), and blender::ed::sculpt_paint::greasepencil::hash_rng().

BLI_hash_int_3d_to_float()

BLI_INLINE float BLI_hash_int_3d_to_float	(	uint32_t	kx,
		uint32_t	ky,
		uint32_t	kz )

Definition at line 86 of file BLI_hash.h.

References BLI_hash_int_3d(), BLI_INLINE, and float.

BLI_hash_pointer_to_color()

BLI_INLINE void BLI_hash_pointer_to_color	(	const void *	ptr,
		int *	r,
		int *	g,
		int *	b )

Definition at line 101 of file BLI_hash.h.

References b, BLI_hash_int(), BLI_INLINE, hash, and ptr.

Referenced by blender::deg::color_for_pointer().

BLI_hash_string()

BLI_INLINE unsigned int BLI_hash_string

(

const char *

str

)

Definition at line 71 of file BLI_hash.h.

References BLI_INLINE, and str.

Referenced by blender::deform_drawing(), blender::deform_drawing(), drw_call_obinfos_init(), blender::eevee::Film::get_aov_texture(), blender::nodes::node_fn_hash_value_cc::get_multi_function(), blender::get_rand_matrix(), make_dupli(), blender::modify_stroke_random(), blender::nodes::node_shader_output_aov_cc::node_shader_gpu_output_aov(), blender::gpu::MTLShaderInterface::prepare_common_shader_inputs(), and blender::gpu::ShaderInterface::set_input_name().