texture_pointdensity.cc File Reference

#include <cmath>
#include <cstdio>
#include <cstdlib>
#include "MEM_guardedalloc.h"
#include "BLI_color.hh"
#include "BLI_kdopbvh.hh"
#include "BLI_listbase.h"
#include "BLI_math_color.h"
#include "BLI_math_matrix.h"
#include "BLI_math_vector.h"
#include "BLI_noise.h"
#include "BLI_task.h"
#include "BLI_utildefines.h"
#include "DNA_meshdata_types.h"
#include "DNA_object_types.h"
#include "DNA_particle_types.h"
#include "DNA_texture_types.h"
#include "BKE_attribute.hh"
#include "BKE_colorband.hh"
#include "BKE_colortools.hh"
#include "BKE_customdata.hh"
#include "BKE_deform.hh"
#include "BKE_mesh.hh"
#include "BKE_object.hh"
#include "BKE_particle.h"
#include "BKE_scene.hh"
#include "DEG_depsgraph.hh"
#include "DEG_depsgraph_query.hh"
#include "RE_texture.h"

Go to the source code of this file.

Classes
struct	PointDensityRangeData
struct	SampleCallbackData

Enumerations
enum	{ POINT_DATA_VEL = 1 << 0 , POINT_DATA_LIFE = 1 << 1 , POINT_DATA_COLOR = 1 << 2 }

Functions
static int	point_data_used (PointDensity *pd)
static void	point_data_pointers (PointDensity *pd, float **r_data_velocity, float **r_data_life, float **r_data_color)
static void	alloc_point_data (PointDensity *pd)
static void	pointdensity_cache_psys (Depsgraph *depsgraph, Scene *scene, PointDensity *pd, Object *ob, ParticleSystem *psys)
static void	pointdensity_cache_vertex_color (PointDensity *pd, Object *, Mesh *mesh, float *data_color)
static void	pointdensity_cache_vertex_weight (PointDensity *pd, Object *ob, Mesh *mesh, float *data_color)
static void	pointdensity_cache_vertex_normal (Mesh *mesh, float *data_color)
static void	pointdensity_cache_object (PointDensity *pd, Object *ob)
static void	cache_pointdensity (Depsgraph *depsgraph, Scene *scene, PointDensity *pd)
static void	free_pointdensity (PointDensity *pd)
static float	density_falloff (PointDensityRangeData *pdr, int index, float squared_dist)
static void	accum_density (void *userdata, int index, const float co[3], float squared_dist)
static void	init_pointdensityrangedata (PointDensity *pd, PointDensityRangeData *pdr, float *density, float *vec, float *age, float *col, CurveMapping *density_curve, float velscale)
static int	pointdensity (PointDensity *pd, const float texvec[3], TexResult *texres, float r_vec[3], float *r_age, float r_col[3])
static void	pointdensity_color (PointDensity *pd, TexResult *texres, float age, const float vec[3], const float col[3])
static void	sample_dummy_point_density (int resolution, float *values)
static void	particle_system_minmax (Depsgraph *depsgraph, Scene *scene, Object *object, ParticleSystem *psys, float radius, float min[3], float max[3])
void	RE_point_density_cache (Depsgraph *depsgraph, PointDensity *pd)
void	RE_point_density_minmax (Depsgraph *depsgraph, PointDensity *pd, float r_min[3], float r_max[3])
static void	point_density_sample_func (void *__restrict data_v, const int iter, const TaskParallelTLS *__restrict)
void	RE_point_density_sample (Depsgraph *depsgraph, PointDensity *pd, const int resolution, float *values)
void	RE_point_density_free (PointDensity *pd)
void	RE_point_density_fix_linking ()

Variables
static blender::Mutex	sample_mutex

Enumeration Type Documentation

anonymous enum

anonymous enum

Enumerator
POINT_DATA_VEL
POINT_DATA_LIFE
POINT_DATA_COLOR

Definition at line 47 of file texture_pointdensity.cc.

Function Documentation

accum_density()

void accum_density ( void * userdata, int index, const float co[3], float squared_dist )

static

Definition at line 546 of file texture_pointdensity.cc.

References add_v3_v3(), PointDensityRangeData::age, PointDensityRangeData::col, PointDensityRangeData::density, density_falloff(), PointDensityRangeData::point_data_color, PointDensityRangeData::point_data_life, PointDensityRangeData::point_data_velocity, UNUSED_VARS, and PointDensityRangeData::vec.

Referenced by pointdensity().

alloc_point_data()

void alloc_point_data ( PointDensity * pd )

static

Definition at line 132 of file texture_pointdensity.cc.

References MEM_calloc_arrayN(), PointDensity::point_data, POINT_DATA_COLOR, POINT_DATA_LIFE, point_data_used(), POINT_DATA_VEL, and PointDensity::totpoints.

Referenced by pointdensity_cache_object(), and pointdensity_cache_psys().

cache_pointdensity()

void cache_pointdensity ( Depsgraph * depsgraph, Scene * scene, PointDensity * pd )

static

Definition at line 434 of file texture_pointdensity.cc.

References BLI_bvhtree_free(), BLI_findlink(), depsgraph, OB_MESH, PointDensity::object, Object::particlesystem, PointDensity::point_tree, pointdensity_cache_object(), pointdensity_cache_psys(), PointDensity::psys, PointDensity::source, TEX_PD_OBJECT, TEX_PD_PSYS, and Object::type.

Referenced by RE_point_density_cache().

density_falloff()

float density_falloff ( PointDensityRangeData * pdr, int index, float squared_dist )

static

Definition at line 499 of file texture_pointdensity.cc.

References BKE_curvemapping_evaluateF(), BKE_curvemapping_init(), PointDensityRangeData::density_curve, PointDensityRangeData::falloff_type, len_v3(), PointDensityRangeData::point_data_life, PointDensityRangeData::point_data_velocity, pow, PointDensityRangeData::softness, sqrtf, PointDensityRangeData::squared_radius, TEX_PD_FALLOFF_CONSTANT, TEX_PD_FALLOFF_PARTICLE_AGE, TEX_PD_FALLOFF_PARTICLE_VEL, TEX_PD_FALLOFF_ROOT, TEX_PD_FALLOFF_SMOOTH, TEX_PD_FALLOFF_SOFT, TEX_PD_FALLOFF_STD, and PointDensityRangeData::velscale.

Referenced by accum_density().

free_pointdensity()

void free_pointdensity ( PointDensity * pd )

static

Definition at line 468 of file texture_pointdensity.cc.

References BLI_bvhtree_free(), MEM_SAFE_FREE, PointDensity::point_data, PointDensity::point_tree, and PointDensity::totpoints.

Referenced by RE_point_density_free(), and RE_point_density_sample().

init_pointdensityrangedata()

void init_pointdensityrangedata ( PointDensity * pd, PointDensityRangeData * pdr, float * density, float * vec, float * age, float * col, CurveMapping * density_curve, float velscale )

static

Definition at line 570 of file texture_pointdensity.cc.

References PointDensityRangeData::age, col, PointDensityRangeData::col, PointDensityRangeData::density, PointDensityRangeData::density_curve, PointDensity::falloff_softness, PointDensity::falloff_type, PointDensityRangeData::falloff_type, PointDensity::noise_influence, PointDensityRangeData::noise_influence, PointDensityRangeData::point_data_color, PointDensityRangeData::point_data_life, point_data_pointers(), PointDensityRangeData::point_data_velocity, PointDensity::radius, PointDensityRangeData::softness, PointDensityRangeData::squared_radius, PointDensityRangeData::vec, and PointDensityRangeData::velscale.

Referenced by pointdensity().

particle_system_minmax()

void particle_system_minmax ( Depsgraph * depsgraph, Scene * scene, Object * object, ParticleSystem * psys, float radius, float min[3], float max[3] )

static

Definition at line 757 of file texture_pointdensity.cc.

References add_v3_v3v3(), BKE_scene_ctime_get(), depsgraph, ParticleSimulationData::depsgraph, i, INIT_MINMAX, invert_m4_m4(), max, min, minmax_v3v3_v3(), mul_v3_m4v3(), ParticleSimulationData::ob, ParticleSystem::part, PART_HAIR, ParticleSystem::particles, ParticleSimulationData::psmd, ParticleSimulationData::psys, psys_get_modifier(), psys_get_particle_state(), psys_sim_data_free(), psys_sim_data_init(), ParticleSimulationData::scene, size(), state, sub_v3_v3v3(), ParticleSystem::totchild, ParticleSystem::totpart, ParticleSettings::type, and unit_m4().

Referenced by RE_point_density_minmax().

point_data_pointers()

void point_data_pointers ( PointDensity * pd, float ** r_data_velocity, float ** r_data_life, float ** r_data_color )

static

Definition at line 82 of file texture_pointdensity.cc.

References data, PointDensity::point_data, POINT_DATA_COLOR, POINT_DATA_LIFE, point_data_used(), POINT_DATA_VEL, and PointDensity::totpoints.

Referenced by init_pointdensityrangedata(), pointdensity_cache_object(), and pointdensity_cache_psys().

point_data_used()

int point_data_used ( PointDensity * pd )

static

Definition at line 53 of file texture_pointdensity.cc.

References PointDensity::color_source, ELEM, PointDensity::falloff_type, PointDensity::ob_color_source, POINT_DATA_COLOR, POINT_DATA_LIFE, POINT_DATA_VEL, PointDensity::source, TEX_PD_COLOR_PARTAGE, TEX_PD_COLOR_PARTSPEED, TEX_PD_COLOR_PARTVEL, TEX_PD_COLOR_VERTCOL, TEX_PD_COLOR_VERTNOR, TEX_PD_COLOR_VERTWEIGHT, TEX_PD_FALLOFF_PARTICLE_AGE, TEX_PD_FALLOFF_PARTICLE_VEL, TEX_PD_OBJECT, and TEX_PD_PSYS.

Referenced by alloc_point_data(), point_data_pointers(), pointdensity(), and pointdensity_cache_psys().

point_density_sample_func()

void point_density_sample_func ( void *__restrict data_v, const int iter, const TaskParallelTLS * __restrict )

static

Definition at line 871 of file texture_pointdensity.cc.

References col, copy_v3_v3(), data, min, PointDensity::point_tree, pointdensity(), pointdensity_color(), TexResult::tin, TexResult::trgba, x, y, and z().

Referenced by RE_point_density_sample().

pointdensity()

int pointdensity ( PointDensity * pd, const float texvec[3], TexResult * texres, float r_vec[3], float * r_age, float r_col[3] )

static

Definition at line 593 of file texture_pointdensity.cc.

References accum_density(), BLI_bvhtree_range_query(), BLI_noise_generic_turbulence(), col, copy_v3_v3(), PointDensity::falloff_curve, PointDensity::falloff_speed_scale, PointDensity::flag, init_pointdensityrangedata(), mul_v3_fl(), PointDensity::noise_basis, PointDensity::noise_depth, PointDensity::noise_fac, PointDensity::noise_size, num, point_data_used(), PointDensity::point_tree, PointDensity::radius, TEX_INT, TEX_PD_FALLOFF_CURVE, TEX_PD_TURBULENCE, TexResult::tin, turb(), and zero_v3().

Referenced by point_density_sample_func().

pointdensity_cache_object()

void pointdensity_cache_object ( PointDensity * pd, Object * ob )

static

Definition at line 369 of file texture_pointdensity.cc.

References alloc_point_data(), BLI_bvhtree_balance(), BLI_bvhtree_insert(), BLI_bvhtree_new(), CD_MASK_BAREMESH, CD_MASK_MCOL, CD_MASK_MDEFORMVERT, CD_MASK_MTFACE, CD_MASK_PROP_BYTE_COLOR, copy_v3_v3(), Object::data, i, Object::loc, mask(), mul_m4_v3(), PointDensity::ob_cache_space, PointDensity::ob_color_source, point_data_pointers(), PointDensity::point_tree, pointdensity_cache_vertex_color(), pointdensity_cache_vertex_normal(), pointdensity_cache_vertex_weight(), sub_v3_v3(), TEX_PD_COLOR_VERTCOL, TEX_PD_COLOR_VERTNOR, TEX_PD_COLOR_VERTWEIGHT, TEX_PD_OBJECTLOC, TEX_PD_OBJECTSPACE, TEX_PD_WORLDSPACE, PointDensity::totpoints, and Mesh::verts_num.

Referenced by cache_pointdensity().

pointdensity_cache_psys()

void pointdensity_cache_psys ( Depsgraph * depsgraph, Scene * scene, PointDensity * pd, Object * ob, ParticleSystem * psys )

static

Definition at line 157 of file texture_pointdensity.cc.

References alloc_point_data(), BKE_scene_ctime_get(), BLI_bvhtree_balance(), BLI_bvhtree_insert(), BLI_bvhtree_new(), ParticleSystem::child, ParticleSystem::childcache, ParticleCacheKey::co, copy_v3_v3(), DAG_EVAL_RENDER, DEG_get_mode(), depsgraph, ParticleSimulationData::depsgraph, ParticleSettings::draw, i, invert_m4_m4(), ParticleData::lifetime, Object::loc, mul_m4_v3(), ParticleSimulationData::ob, ParticleSystem::part, PART_DRAW_PARENT, PART_HAIR, ParticleSystem::particles, ParticleSystem::pathcache, POINT_DATA_LIFE, point_data_pointers(), point_data_used(), PointDensity::point_tree, ParticleSimulationData::psmd, ParticleSimulationData::psys, PointDensity::psys_cache_space, psys_check_enabled(), psys_get_child_time(), psys_get_modifier(), psys_get_particle_state(), psys_sim_data_free(), psys_sim_data_init(), Object::runtime, ParticleSimulationData::scene, ParticleCacheKey::segments, state, sub_v3_v3(), TEX_PD_OBJECTLOC, TEX_PD_OBJECTSPACE, ParticleData::time, ParticleSystem::totchild, ParticleSystem::totpart, PointDensity::totpoints, ParticleSettings::type, and zero_v3().

Referenced by cache_pointdensity().

pointdensity_cache_vertex_color()

void pointdensity_cache_vertex_color ( PointDensity * pd, Object * , Mesh * mesh, float * data_color )

static

Definition at line 272 of file texture_pointdensity.cc.

References Mesh::active_color_attribute, add_v3_v3(), Geometry::attributes, BLI_assert, col, blender::bke::AttributeAccessor::contains(), blender::bke::Corner, Mesh::corners_num, i, blender::bke::AttributeAccessor::lookup(), MEM_calloc_arrayN(), MEM_freeN(), mul_v3_fl(), rgb_uchar_to_float(), PointDensity::totpoints, v, and PointDensity::vertex_attribute_name.

Referenced by pointdensity_cache_object().

pointdensity_cache_vertex_normal()

void pointdensity_cache_vertex_normal ( Mesh * mesh, float * data_color )

static

Definition at line 362 of file texture_pointdensity.cc.

References BLI_assert, normals, and Mesh::verts_num.

Referenced by pointdensity_cache_object().

pointdensity_cache_vertex_weight()

void pointdensity_cache_vertex_weight ( PointDensity * pd, Object * ob, Mesh * mesh, float * data_color )

static

Definition at line 324 of file texture_pointdensity.cc.

References BKE_id_defgroup_name_index(), BKE_object_defgroup_active_index_get(), BLI_assert, CD_MDEFORMVERT, copy_v3_fl(), CustomData_get_layer(), MDeformWeight::def_nr, MDeformVert::dw, i, Mesh::id, Mesh::vert_data, PointDensity::vertex_attribute_name, Mesh::verts_num, and MDeformWeight::weight.

Referenced by pointdensity_cache_object().

pointdensity_color()

void pointdensity_color ( PointDensity * pd, TexResult * texres, float age, const float vec[3], const float col[3] )

static

Definition at line 678 of file texture_pointdensity.cc.

References BKE_colorband_evaluate(), PointDensity::coba, col, PointDensity::color_source, copy_v3_v3(), copy_v4_fl(), len_v3(), mul_v3_v3fl(), PointDensity::ob_color_source, PointDensity::source, PointDensity::speed_scale, TexResult::talpha, TEX_PD_COLOR_CONSTANT, TEX_PD_COLOR_PARTAGE, TEX_PD_COLOR_PARTSPEED, TEX_PD_COLOR_PARTVEL, TEX_PD_COLOR_VERTCOL, TEX_PD_COLOR_VERTNOR, TEX_PD_COLOR_VERTWEIGHT, TEX_PD_PSYS, TexResult::tin, and TexResult::trgba.

Referenced by point_density_sample_func().

RE_point_density_cache()

void RE_point_density_cache	(	Depsgraph *	depsgraph,
		PointDensity *	pd )

Definition at line 809 of file texture_pointdensity.cc.

References cache_pointdensity(), DEG_get_evaluated_scene(), depsgraph, lock, and sample_mutex.

RE_point_density_fix_linking()

void RE_point_density_fix_linking

(

void

)

Definition at line 955 of file texture_pointdensity.cc.

Referenced by RE_InitState().

RE_point_density_free()

void RE_point_density_free

(

PointDensity *

pd

)

Definition at line 950 of file texture_pointdensity.cc.

References free_pointdensity().

Referenced by blender::nodes::node_shader_tex_pointdensity_cc::node_shader_free_tex_pointdensity().

RE_point_density_minmax()

void RE_point_density_minmax	(	Depsgraph *	depsgraph,
		PointDensity *	pd,
		float	r_min[3],
		float	r_max[3] )

Definition at line 818 of file texture_pointdensity.cc.

References add_v3_v3(), BKE_object_boundbox_get(), BLI_findlink(), copy_v3_v3(), DEG_get_evaluated_scene(), depsgraph, PointDensity::object, particle_system_minmax(), Object::particlesystem, PointDensity::psys, PointDensity::radius, PointDensity::source, sub_v3_v3(), TEX_PD_PSYS, and zero_v3().

Referenced by RE_point_density_sample().

RE_point_density_sample()

void RE_point_density_sample	(	struct Depsgraph *	depsgraph,
		struct PointDensity *	pd,
		int	resolution,
		float *	values )

Note

Requires RE_point_density_cache() to be called first.

Frees point density structure after sampling.

Definition at line 909 of file texture_pointdensity.cc.

References BLI_parallel_range_settings_defaults(), BLI_task_parallel_range(), data, depsgraph, free_pointdensity(), lock, max, min, PointDensity::object, point_density_sample_func(), RE_point_density_minmax(), sample_dummy_point_density(), sample_mutex, sub_v3_v3v3(), and TaskParallelSettings::use_threading.

sample_dummy_point_density()

void sample_dummy_point_density ( int resolution, float * values )

static

Definition at line 752 of file texture_pointdensity.cc.

Referenced by RE_point_density_sample().

Variable Documentation

sample_mutex

blender::Mutex sample_mutex

static

Definition at line 45 of file texture_pointdensity.cc.

Referenced by RE_point_density_cache(), and RE_point_density_sample().