draw_cache_impl_particles.c File Reference

Particle API for render engines. More...

#include "DRW_render.h"
#include "MEM_guardedalloc.h"
#include "BLI_alloca.h"
#include "BLI_ghash.h"
#include "BLI_math_vector.h"
#include "BLI_string.h"
#include "BLI_utildefines.h"
#include "DNA_customdata_types.h"
#include "DNA_mesh_types.h"
#include "DNA_meshdata_types.h"
#include "DNA_modifier_types.h"
#include "DNA_particle_types.h"
#include "BKE_customdata.h"
#include "BKE_mesh.h"
#include "BKE_mesh_legacy_convert.h"
#include "BKE_particle.h"
#include "BKE_pointcache.h"
#include "ED_particle.h"
#include "GPU_batch.h"
#include "GPU_material.h"
#include "DEG_depsgraph_query.h"
#include "draw_cache_impl.h"
#include "draw_hair_private.h"

Go to the source code of this file.

Classes
struct	ParticlePointCache
struct	ParticleBatchCache
struct	HairAttributeID
struct	EditStrandData
struct	ParticleDrawSource

Typedefs
typedef struct ParticlePointCache	ParticlePointCache
typedef struct ParticleBatchCache	ParticleBatchCache
typedef struct HairAttributeID	HairAttributeID
typedef struct EditStrandData	EditStrandData
typedef enum ParticleSource	ParticleSource
typedef struct ParticleDrawSource	ParticleDrawSource

Enumerations
enum	ParticleSource { PARTICLE_SOURCE_PARENT , PARTICLE_SOURCE_CHILDREN }

Functions
static void	particle_batch_cache_clear (ParticleSystem *psys)
static GPUVertFormat *	edit_points_vert_format_get (uint *r_pos_id, uint *r_color_id)
static bool	particle_batch_cache_valid (ParticleSystem *psys)
static void	particle_batch_cache_init (ParticleSystem *psys)
static ParticleBatchCache *	particle_batch_cache_get (ParticleSystem *psys)
void	DRW_particle_batch_cache_dirty_tag (ParticleSystem *psys, int mode)
static void	particle_batch_cache_clear_point (ParticlePointCache *point_cache)
static void	particle_batch_cache_clear_hair (ParticleHairCache *hair_cache)
static void	particle_batch_cache_free_hair (ParticleHairCache *hair)
void	DRW_particle_batch_cache_free (ParticleSystem *psys)
static void	count_cache_segment_keys (ParticleCacheKey **pathcache, const int num_path_cache_keys, ParticleHairCache *hair_cache)
static void	ensure_seg_pt_count (PTCacheEdit *edit, ParticleSystem *psys, ParticleHairCache *hair_cache)
static void	particle_pack_mcol (MCol *mcol, ushort r_scol[3])
static void	particle_calculate_parent_uvs (ParticleSystem *psys, ParticleSystemModifierData *psmd, const int num_uv_layers, const int parent_index, const MTFace **mtfaces, float(*r_uv)[2])
static void	particle_calculate_parent_mcol (ParticleSystem *psys, ParticleSystemModifierData *psmd, const int num_col_layers, const int parent_index, const MCol **mcols, MCol *r_mcol)
static void	particle_interpolate_children_uvs (ParticleSystem *psys, ParticleSystemModifierData *psmd, const int num_uv_layers, const int child_index, const MTFace **mtfaces, float(*r_uv)[2])
static void	particle_interpolate_children_mcol (ParticleSystem *psys, ParticleSystemModifierData *psmd, const int num_col_layers, const int child_index, const MCol **mcols, MCol *r_mcol)
static void	particle_calculate_uvs (ParticleSystem *psys, ParticleSystemModifierData *psmd, const bool is_simple, const int num_uv_layers, const int parent_index, const int child_index, const MTFace **mtfaces, float(**r_parent_uvs)[2], float(**r_uv)[2])
static void	particle_calculate_mcol (ParticleSystem *psys, ParticleSystemModifierData *psmd, const bool is_simple, const int num_col_layers, const int parent_index, const int child_index, const MCol **mcols, MCol **r_parent_mcol, MCol **r_mcol)
static int	particle_batch_cache_fill_segments (ParticleSystem *psys, ParticleSystemModifierData *psmd, ParticleCacheKey **path_cache, const ParticleSource particle_source, const int global_offset, const int start_index, const int num_path_keys, const int num_uv_layers, const int num_col_layers, const MTFace **mtfaces, const MCol **mcols, uint *uv_id, uint *col_id, float(***r_parent_uvs)[2], MCol ***r_parent_mcol, GPUIndexBufBuilder *elb, HairAttributeID *attr_id, ParticleHairCache *hair_cache)
static void	particle_batch_cache_fill_segments_proc_pos (ParticleCacheKey **path_cache, const int num_path_keys, GPUVertBufRaw *attr_step, GPUVertBufRaw *length_step)
static float	particle_key_weight (const ParticleData *particle, int strand, float t)
static int	particle_batch_cache_fill_segments_edit (const PTCacheEdit *UNUSED(edit), const ParticleData *particle, ParticleCacheKey **path_cache, const int start_index, const int num_path_keys, GPUIndexBufBuilder *elb, GPUVertBufRaw *attr_step)
static int	particle_batch_cache_fill_segments_indices (ParticleCacheKey **path_cache, const int start_index, const int num_path_keys, const int res, GPUIndexBufBuilder *elb)
static int	particle_batch_cache_fill_strands_data (ParticleSystem *psys, ParticleSystemModifierData *psmd, ParticleCacheKey **path_cache, const ParticleSource particle_source, const int start_index, const int num_path_keys, GPUVertBufRaw *data_step, GPUVertBufRaw *seg_step, float(***r_parent_uvs)[2], GPUVertBufRaw *uv_step, const MTFace **mtfaces, int num_uv_layers, MCol ***r_parent_mcol, GPUVertBufRaw *col_step, const MCol **mcols, int num_col_layers)
static void	particle_batch_cache_ensure_procedural_final_points (ParticleHairCache *cache, int subdiv)
static void	particle_batch_cache_ensure_procedural_strand_data (PTCacheEdit *edit, ParticleSystem *psys, ModifierData *md, ParticleHairCache *cache)
static void	particle_batch_cache_ensure_procedural_indices (PTCacheEdit *edit, ParticleSystem *psys, ParticleHairCache *cache, int thickness_res, int subdiv)
static void	particle_batch_cache_ensure_procedural_pos (PTCacheEdit *edit, ParticleSystem *psys, ParticleHairCache *cache, GPUMaterial *gpu_material)
static void	particle_batch_cache_ensure_pos_and_seg (PTCacheEdit *edit, ParticleSystem *psys, ModifierData *md, ParticleHairCache *hair_cache)
static void	particle_batch_cache_ensure_pos (Object *object, ParticleSystem *psys, ParticlePointCache *point_cache)
static void	drw_particle_update_ptcache_edit (Object *object_eval, ParticleSystem *psys, PTCacheEdit *edit)
static void	drw_particle_update_ptcache (Object *object_eval, ParticleSystem *psys)
static void	drw_particle_get_hair_source (Object *object, ParticleSystem *psys, ModifierData *md, PTCacheEdit *edit, ParticleDrawSource *r_draw_source)
GPUBatch *	DRW_particles_batch_cache_get_hair (Object *object, ParticleSystem *psys, ModifierData *md)
GPUBatch *	DRW_particles_batch_cache_get_dots (Object *object, ParticleSystem *psys)
static void	particle_batch_cache_ensure_edit_pos_and_seg (PTCacheEdit *edit, ParticleSystem *psys, ModifierData *UNUSED(md), ParticleHairCache *hair_cache, bool use_weight)
GPUBatch *	DRW_particles_batch_cache_get_edit_strands (Object *object, ParticleSystem *psys, PTCacheEdit *edit, bool use_weight)
static void	ensure_edit_inner_points_count (const PTCacheEdit *edit, ParticleBatchCache *cache)
static void	particle_batch_cache_ensure_edit_inner_pos (PTCacheEdit *edit, ParticleBatchCache *cache)
GPUBatch *	DRW_particles_batch_cache_get_edit_inner_points (Object *object, ParticleSystem *psys, PTCacheEdit *edit)
static void	ensure_edit_tip_points_count (const PTCacheEdit *edit, ParticleBatchCache *cache)
static void	particle_batch_cache_ensure_edit_tip_pos (PTCacheEdit *edit, ParticleBatchCache *cache)
GPUBatch *	DRW_particles_batch_cache_get_edit_tip_points (Object *object, ParticleSystem *psys, PTCacheEdit *edit)
bool	particles_ensure_procedural_data (Object *object, ParticleSystem *psys, ModifierData *md, ParticleHairCache **r_hair_cache, GPUMaterial *gpu_material, int subdiv, int thickness_res)

Detailed Description

Particle API for render engines.

Definition in file draw_cache_impl_particles.c.

Typedef Documentation

EditStrandData

typedef struct EditStrandData EditStrandData

HairAttributeID

typedef struct HairAttributeID HairAttributeID

ParticleBatchCache

typedef struct ParticleBatchCache ParticleBatchCache

ParticleDrawSource

typedef struct ParticleDrawSource ParticleDrawSource

ParticlePointCache

typedef struct ParticlePointCache ParticlePointCache

ParticleSource

typedef enum ParticleSource ParticleSource

Enumeration Type Documentation

ParticleSource

enum ParticleSource

Enumerator
PARTICLE_SOURCE_PARENT
PARTICLE_SOURCE_CHILDREN

Definition at line 490 of file draw_cache_impl_particles.c.

Function Documentation

count_cache_segment_keys()

static void count_cache_segment_keys ( ParticleCacheKey **  pathcache, const int  num_path_cache_keys, ParticleHairCache *  hair_cache  )

static

Definition at line 244 of file draw_cache_impl_particles.c.

References ParticleHairCache::elems_len, ParticleHairCache::point_len, ParticleCacheKey::segments, and ParticleHairCache::strands_len.

Referenced by ensure_seg_pt_count().

DRW_particle_batch_cache_dirty_tag()

void DRW_particle_batch_cache_dirty_tag	(	ParticleSystem *	psys,
		int	mode
	)

Definition at line 148 of file draw_cache_impl_particles.c.

References ParticleSystem::batch_cache, BKE_PARTICLE_BATCH_DIRTY_ALL, BLI_assert, ParticleBatchCache::is_dirty, and NULL.

Referenced by DRW_engines_register().

DRW_particle_batch_cache_free()

void DRW_particle_batch_cache_free

(

ParticleSystem *

psys

)

Definition at line 230 of file draw_cache_impl_particles.c.

References ParticleSystem::batch_cache, ParticleBatchCache::edit_hair, ParticleBatchCache::hair, MEM_SAFE_FREE, particle_batch_cache_clear(), and particle_batch_cache_free_hair().

Referenced by DRW_engines_register().

drw_particle_get_hair_source()

static void drw_particle_get_hair_source ( Object *  object, ParticleSystem *  psys, ModifierData *  md, PTCacheEdit *  edit, ParticleDrawSource *  r_draw_source  )

static

Definition at line 1467 of file draw_cache_impl_particles.c.

References DEG_get_original_object(), DRWContextState::depsgraph, DRW_context_state_get(), ParticleDrawSource::edit, ParticleDrawSource::md, ParticleDrawSource::object, ParticleDrawSource::psys, psys_in_edit_mode(), and psys_orig_get().

Referenced by DRW_particles_batch_cache_get_hair(), and particles_ensure_procedural_data().

drw_particle_update_ptcache()

static void drw_particle_update_ptcache ( Object *  object_eval, ParticleSystem *  psys  )

static

Definition at line 1446 of file draw_cache_impl_particles.c.

References DEG_get_original_id(), DEG_get_original_object(), DRWContextState::depsgraph, DRW_context_state_get(), drw_particle_update_ptcache_edit(), Scene::id, Object::mode, NULL, OB_MODE_PARTICLE_EDIT, PE_create_current(), and DRWContextState::scene.

Referenced by DRW_particles_batch_cache_get_hair(), and particles_ensure_procedural_data().

drw_particle_update_ptcache_edit()

static void drw_particle_update_ptcache_edit ( Object *  object_eval, ParticleSystem *  psys, PTCacheEdit *  edit  )

static

Definition at line 1418 of file draw_cache_impl_particles.c.

References DAG_EVAL_RENDER, DEG_get_ctime(), DEG_get_mode(), DEG_get_original_id(), DEG_get_original_object(), depsgraph, DRWContextState::depsgraph, DRW_context_state_get(), ParticleSystem::flag, Scene::id, NULL, PTCacheEdit::pathcache, PE_update_object(), PTCacheEdit::psys, psys_cache_edit_paths(), PSYS_HAIR_UPDATED, and DRWContextState::scene.

Referenced by drw_particle_update_ptcache(), DRW_particles_batch_cache_get_edit_inner_points(), DRW_particles_batch_cache_get_edit_strands(), and DRW_particles_batch_cache_get_edit_tip_points().

DRW_particles_batch_cache_get_dots()

GPUBatch* DRW_particles_batch_cache_get_dots	(	Object *	object,
		ParticleSystem *	psys
	)

Definition at line 1501 of file draw_cache_impl_particles.c.

References GPU_batch_create, GPU_PRIM_POINTS, NULL, particle_batch_cache_ensure_pos(), particle_batch_cache_get(), ParticleBatchCache::point, ParticlePointCache::points, and ParticlePointCache::pos.

Referenced by DRW_cache_particles_get_dots().

DRW_particles_batch_cache_get_edit_inner_points()

GPUBatch* DRW_particles_batch_cache_get_edit_inner_points	(	Object *	object,
		ParticleSystem *	psys,
		PTCacheEdit *	edit
	)

Definition at line 1616 of file draw_cache_impl_particles.c.

References drw_particle_update_ptcache_edit(), ParticleBatchCache::edit_inner_points, ParticleBatchCache::edit_inner_pos, ensure_edit_inner_points_count(), GPU_batch_create, GPU_PRIM_POINTS, NULL, particle_batch_cache_ensure_edit_inner_pos(), and particle_batch_cache_get().

Referenced by DRW_cache_particles_get_edit_inner_points().

DRW_particles_batch_cache_get_edit_strands()

GPUBatch* DRW_particles_batch_cache_get_edit_strands	(	Object *	object,
		ParticleSystem *	psys,
		PTCacheEdit *	edit,
		bool	use_weight
	)

Definition at line 1549 of file draw_cache_impl_particles.c.

References drw_particle_update_ptcache_edit(), ParticleBatchCache::edit_hair, ParticleBatchCache::edit_is_weight, ensure_seg_pt_count(), GPU_batch_create, GPU_BATCH_DISCARD_SAFE, GPU_PRIM_LINE_STRIP, GPU_VERTBUF_DISCARD_SAFE, ParticleHairCache::hairs, ParticleHairCache::indices, NULL, particle_batch_cache_ensure_edit_pos_and_seg(), particle_batch_cache_get(), and ParticleHairCache::pos.

Referenced by DRW_cache_particles_get_edit_strands().

DRW_particles_batch_cache_get_edit_tip_points()

GPUBatch* DRW_particles_batch_cache_get_edit_tip_points	(	Object *	object,
		ParticleSystem *	psys,
		PTCacheEdit *	edit
	)

Definition at line 1673 of file draw_cache_impl_particles.c.

References drw_particle_update_ptcache_edit(), ParticleBatchCache::edit_tip_points, ParticleBatchCache::edit_tip_pos, ensure_edit_tip_points_count(), GPU_batch_create, GPU_PRIM_POINTS, NULL, particle_batch_cache_ensure_edit_tip_pos(), and particle_batch_cache_get().

Referenced by DRW_cache_particles_get_edit_tip_points().

DRW_particles_batch_cache_get_hair()

GPUBatch* DRW_particles_batch_cache_get_hair	(	Object *	object,
		ParticleSystem *	psys,
		ModifierData *	md
	)

Definition at line 1484 of file draw_cache_impl_particles.c.

References drw_particle_get_hair_source(), drw_particle_update_ptcache(), ParticleDrawSource::edit, ensure_seg_pt_count(), GPU_batch_create, GPU_PRIM_LINE_STRIP, ParticleBatchCache::hair, ParticleHairCache::hairs, ParticleHairCache::indices, ParticleDrawSource::md, NULL, particle_batch_cache_ensure_pos_and_seg(), particle_batch_cache_get(), ParticleHairCache::pos, and ParticleDrawSource::psys.

Referenced by DRW_cache_particles_get_hair().

edit_points_vert_format_get()

static GPUVertFormat* edit_points_vert_format_get ( uint *  r_pos_id, uint *  r_color_id  )

static

Definition at line 93 of file draw_cache_impl_particles.c.

References GPUVertFormat::attr_len, GPU_COMP_F32, GPU_FETCH_FLOAT, and GPU_vertformat_attr_add().

Referenced by particle_batch_cache_ensure_edit_inner_pos(), particle_batch_cache_ensure_edit_pos_and_seg(), and particle_batch_cache_ensure_edit_tip_pos().

ensure_edit_inner_points_count()

static void ensure_edit_inner_points_count ( const PTCacheEdit *  edit, ParticleBatchCache *  cache  )

static

Definition at line 1571 of file draw_cache_impl_particles.c.

References BLI_assert, ParticleBatchCache::edit_inner_point_len, ParticleBatchCache::edit_inner_pos, NULL, PEP_HIDE, point, point_index, PTCacheEdit::points, and PTCacheEdit::totpoint.

Referenced by DRW_particles_batch_cache_get_edit_inner_points().

ensure_edit_tip_points_count()

static void ensure_edit_tip_points_count ( const PTCacheEdit *  edit, ParticleBatchCache *  cache  )

static

Definition at line 1631 of file draw_cache_impl_particles.c.

References ParticleBatchCache::edit_tip_point_len, ParticleBatchCache::edit_tip_pos, NULL, PEP_HIDE, point, point_index, PTCacheEdit::points, and PTCacheEdit::totpoint.

Referenced by DRW_particles_batch_cache_get_edit_tip_points().

ensure_seg_pt_count()

static void ensure_seg_pt_count ( PTCacheEdit *  edit, ParticleSystem *  psys, ParticleHairCache *  hair_cache  )

static

Definition at line 258 of file draw_cache_impl_particles.c.

References ParticleSystem::childcache, count_cache_segment_keys(), ParticleSettings::disp, ParticleSettings::draw, ParticleHairCache::elems_len, ParticleHairCache::indices, NULL, ParticleSystem::part, PART_DRAW_PARENT, PTCacheEdit::pathcache, ParticleSystem::pathcache, ParticleHairCache::point_len, ParticleHairCache::pos, ParticleHairCache::proc_point_buf, ParticleHairCache::strands_len, PTCacheEdit::totcached, ParticleSystem::totchild, and ParticleSystem::totpart.

Referenced by DRW_particles_batch_cache_get_edit_strands(), DRW_particles_batch_cache_get_hair(), and particles_ensure_procedural_data().

particle_batch_cache_clear()

static void particle_batch_cache_clear ( ParticleSystem *  psys )

static

Definition at line 205 of file draw_cache_impl_particles.c.

References ParticleSystem::batch_cache, ParticleBatchCache::edit_hair, ParticleBatchCache::edit_inner_points, ParticleBatchCache::edit_inner_pos, ParticleBatchCache::edit_tip_points, ParticleBatchCache::edit_tip_pos, GPU_BATCH_DISCARD_SAFE, GPU_VERTBUF_DISCARD_SAFE, ParticleBatchCache::hair, particle_batch_cache_clear_hair(), particle_batch_cache_clear_point(), and ParticleBatchCache::point.

Referenced by DRW_particle_batch_cache_free(), and particle_batch_cache_get().

particle_batch_cache_clear_hair()

static void particle_batch_cache_clear_hair ( ParticleHairCache *  hair_cache )

static

Definition at line 169 of file draw_cache_impl_particles.c.

References ParticleHairCache::col_tex, DRW_TEXTURE_FREE_SAFE, ParticleHairCache::final, GPU_BATCH_DISCARD_SAFE, GPU_INDEXBUF_DISCARD_SAFE, GPU_VERTBUF_DISCARD_SAFE, ParticleHairCache::hairs, ParticleHairCache::indices, ParticleHairCache::length_tex, MAX_HAIR_SUBDIV, MAX_MTFACE, MAX_THICKRES, ParticleHairCache::num_col_layers, ParticleHairCache::point_tex, ParticleHairCache::pos, ParticleHairFinalCache::proc_buf, ParticleHairCache::proc_col_buf, ParticleHairFinalCache::proc_hairs, ParticleHairCache::proc_length_buf, ParticleHairCache::proc_point_buf, ParticleHairCache::proc_strand_buf, ParticleHairCache::proc_strand_seg_buf, ParticleHairFinalCache::proc_tex, ParticleHairCache::proc_uv_buf, ParticleHairCache::strand_seg_tex, ParticleHairCache::strand_tex, and ParticleHairCache::uv_tex.

Referenced by particle_batch_cache_clear().

particle_batch_cache_clear_point()

static void particle_batch_cache_clear_point ( ParticlePointCache *  point_cache )

static

Definition at line 163 of file draw_cache_impl_particles.c.

References GPU_BATCH_DISCARD_SAFE, GPU_VERTBUF_DISCARD_SAFE, ParticlePointCache::points, and ParticlePointCache::pos.

Referenced by particle_batch_cache_clear().

particle_batch_cache_ensure_edit_inner_pos()

static void particle_batch_cache_ensure_edit_inner_pos ( PTCacheEdit *  edit, ParticleBatchCache *  cache  )

static

Definition at line 1587 of file draw_cache_impl_particles.c.

References color, ParticleBatchCache::edit_inner_point_len, ParticleBatchCache::edit_inner_pos, edit_points_vert_format_get(), PTCacheEditKey::flag, GPU_vertbuf_attr_set(), GPU_vertbuf_create_with_format, GPU_vertbuf_data_alloc(), NULL, PEK_SELECT, PEP_HIDE, point, point_index, PTCacheEdit::points, PTCacheEdit::totpoint, and PTCacheEditKey::world_co.

Referenced by DRW_particles_batch_cache_get_edit_inner_points().

particle_batch_cache_ensure_edit_pos_and_seg()

static void particle_batch_cache_ensure_edit_pos_and_seg ( PTCacheEdit *  edit, ParticleSystem *  psys, ModifierData *  UNUSEDmd, ParticleHairCache *  hair_cache, bool  use_weight  )

static

Definition at line 1513 of file draw_cache_impl_particles.c.

References BLI_assert_msg, edit_points_vert_format_get(), ParticleHairCache::elems_len, GPU_indexbuf_build(), GPU_INDEXBUF_DISCARD_SAFE, GPU_indexbuf_init_ex(), GPU_PRIM_LINE_STRIP, GPU_vertbuf_attr_get_raw_data(), GPU_vertbuf_create_with_format, GPU_vertbuf_data_alloc(), GPU_VERTBUF_DISCARD_SAFE, ParticleHairCache::indices, NULL, particle_batch_cache_fill_segments_edit(), ParticleSystem::particles, PTCacheEdit::pathcache, ParticleHairCache::point_len, ParticleHairCache::pos, and PTCacheEdit::totcached.

Referenced by DRW_particles_batch_cache_get_edit_strands().

particle_batch_cache_ensure_edit_tip_pos()

static void particle_batch_cache_ensure_edit_tip_pos ( PTCacheEdit *  edit, ParticleBatchCache *  cache  )

static

Definition at line 1646 of file draw_cache_impl_particles.c.

References color, edit_points_vert_format_get(), ParticleBatchCache::edit_tip_point_len, ParticleBatchCache::edit_tip_pos, PTCacheEditKey::flag, GPU_vertbuf_attr_set(), GPU_vertbuf_create_with_format, GPU_vertbuf_data_alloc(), NULL, PEK_SELECT, PEP_HIDE, point, point_index, PTCacheEdit::points, PTCacheEdit::totpoint, and PTCacheEditKey::world_co.

Referenced by DRW_particles_batch_cache_get_edit_tip_points().

particle_batch_cache_ensure_pos()

static void particle_batch_cache_ensure_pos ( Object *  object, ParticleSystem *  psys, ParticlePointCache *  point_cache  )

static

Definition at line 1347 of file draw_cache_impl_particles.c.

References ParticleSettings::color_vec_max, DEG_get_ctime(), ParticleSimulationData::depsgraph, DRWContextState::depsgraph, ParticleSettings::draw_col, DRW_context_state_get(), GPU_COMP_F32, GPU_FETCH_FLOAT, GPU_vertbuf_attr_set(), GPU_vertbuf_create_with_format, GPU_vertbuf_data_alloc(), GPU_vertbuf_data_resize(), GPU_VERTBUF_DISCARD_SAFE, GPU_vertformat_attr_add(), len_v3(), len_v3v3(), NULL, ParticleSimulationData::ob, ParticleSystem::part, PART_DRAW_COL_ACC, PART_DRAW_COL_VEL, ParticleSystem::particles, ParticlePointCache::pos, ParticleData::prev_state, ParticleSimulationData::psmd, ParticleSimulationData::psys, psys_get_modifier(), psys_get_particle_state(), psys_sim_data_free(), psys_sim_data_init(), ParticleSimulationData::scene, DRWContextState::scene, state, ParticleKey::time, ParticleSystem::totpart, and ParticleKey::vel.

Referenced by DRW_particles_batch_cache_get_dots().

particle_batch_cache_ensure_pos_and_seg()

static void particle_batch_cache_ensure_pos_and_seg ( PTCacheEdit *  edit, ParticleSystem *  psys, ModifierData *  md, ParticleHairCache *  hair_cache  )

static

Definition at line 1155 of file draw_cache_impl_particles.c.

References attr_id, BKE_mesh_tessface_ensure(), BLI_snprintf(), CD_MCOL, CD_MLOOPUV, CD_MTFACE, CD_PROP_BYTE_COLOR, ParticleSystem::childcache, CustomData_get_active_layer(), CustomData_get_layer_n(), CustomData_get_layer_name(), CustomData_has_layer(), CustomData_number_of_layers(), ParticleSettings::disp, ParticleSettings::draw, ParticleHairCache::elems_len, Mesh::fdata, float(), GPU_COMP_F32, GPU_COMP_I32, GPU_COMP_U16, GPU_FETCH_FLOAT, GPU_FETCH_INT, GPU_indexbuf_build(), GPU_INDEXBUF_DISCARD_SAFE, GPU_indexbuf_init_ex(), GPU_MAX_SAFE_ATTR_NAME, GPU_PRIM_LINE_STRIP, GPU_vertbuf_create_with_format, GPU_vertbuf_data_alloc(), GPU_VERTBUF_DISCARD_SAFE, GPU_vertformat_alias_add(), GPU_vertformat_attr_add(), GPU_vertformat_clear(), GPU_vertformat_safe_attr_name(), ParticleHairCache::indices, Mesh::ldata, MEM_freeN, MEM_mallocN, MEM_SAFE_FREE, ParticleSystemModifierData::mesh_final, NULL, ParticleSystem::part, PART_DRAW_PARENT, particle_batch_cache_fill_segments(), PARTICLE_SOURCE_CHILDREN, PARTICLE_SOURCE_PARENT, PTCacheEdit::pathcache, ParticleSystem::pathcache, ParticleHairCache::point_len, ParticleHairCache::pos, PTCacheEdit::totcached, ParticleSystem::totchild, and ParticleSystem::totpart.

Referenced by DRW_particles_batch_cache_get_hair().

particle_batch_cache_ensure_procedural_final_points()

static void particle_batch_cache_ensure_procedural_final_points ( ParticleHairCache *  cache, int  subdiv  )

static

Definition at line 804 of file draw_cache_impl_particles.c.

References ParticleHairCache::final, GPU_COMP_F32, GPU_FETCH_FLOAT, GPU_texture_create_from_vertbuf(), GPU_vertbuf_create_with_format, GPU_vertbuf_data_alloc(), GPU_vertbuf_use(), GPU_vertformat_attr_add(), ParticleHairFinalCache::proc_buf, ParticleHairFinalCache::proc_tex, ParticleHairCache::strands_len, and ParticleHairFinalCache::strands_res.

Referenced by particles_ensure_procedural_data().

particle_batch_cache_ensure_procedural_indices()

static void particle_batch_cache_ensure_procedural_indices ( PTCacheEdit *  edit, ParticleSystem *  psys, ParticleHairCache *  cache, int  thickness_res, int  subdiv  )

static

Definition at line 1042 of file draw_cache_impl_particles.c.

References BLI_assert, ParticleSystem::childcache, ParticleSettings::disp, ParticleSettings::draw, ParticleHairCache::final, GPU_batch_create_ex(), GPU_BATCH_OWNS_INDEX, GPU_BATCH_OWNS_VBO, GPU_COMP_U8, GPU_FETCH_INT_TO_FLOAT_UNIT, GPU_indexbuf_build(), GPU_indexbuf_init_ex(), GPU_PRIM_LINE_STRIP, GPU_PRIM_TRI_STRIP, GPU_vertbuf_create_with_format, GPU_vertbuf_data_alloc(), GPU_vertformat_attr_add(), GPU_vertformat_clear(), MAX_THICKRES, NULL, ParticleSystem::part, PART_DRAW_PARENT, particle_batch_cache_fill_segments_indices(), PTCacheEdit::pathcache, ParticleSystem::pathcache, ParticleHairFinalCache::proc_hairs, ParticleHairCache::strands_len, ParticleHairFinalCache::strands_res, PTCacheEdit::totcached, ParticleSystem::totchild, and ParticleSystem::totpart.

Referenced by particles_ensure_procedural_data().

particle_batch_cache_ensure_procedural_pos()

static void particle_batch_cache_ensure_procedural_pos ( PTCacheEdit *  edit, ParticleSystem *  psys, ParticleHairCache *  cache, GPUMaterial *  gpu_material  )

static

Definition at line 1093 of file draw_cache_impl_particles.c.

References CD_HAIRLENGTH, ParticleSystem::childcache, ParticleSettings::disp, ParticleSettings::draw, GPU_COMP_F32, GPU_FETCH_FLOAT, GPU_material_attributes(), GPU_texture_create_from_vertbuf(), GPU_vertbuf_attr_get_raw_data(), GPU_vertbuf_create_with_format, GPU_vertbuf_data_alloc(), GPU_vertbuf_use(), GPU_vertformat_attr_add(), ParticleHairCache::length_tex, LISTBASE_FOREACH, NULL, ParticleSystem::part, PART_DRAW_PARENT, particle_batch_cache_fill_segments_proc_pos(), PTCacheEdit::pathcache, ParticleSystem::pathcache, ParticleHairCache::point_len, ParticleHairCache::point_tex, ParticleHairCache::proc_length_buf, ParticleHairCache::proc_point_buf, ParticleHairCache::strands_len, PTCacheEdit::totcached, ParticleSystem::totchild, and ParticleSystem::totpart.

Referenced by particles_ensure_procedural_data().

particle_batch_cache_ensure_procedural_strand_data()

static void particle_batch_cache_ensure_procedural_strand_data ( PTCacheEdit *  edit, ParticleSystem *  psys, ModifierData *  md, ParticleHairCache *  cache  )

static

Definition at line 825 of file draw_cache_impl_particles.c.

References BKE_mesh_tessface_ensure(), BLI_array_alloca, BLI_snprintf(), BLI_strncpy(), CD_MCOL, CD_MLOOPUV, CD_MTFACE, CD_PROP_BYTE_COLOR, ParticleSystem::childcache, ParticleHairCache::col_layer_names, ParticleHairCache::col_tex, CustomData_get_active_layer(), CustomData_get_layer_n(), CustomData_get_layer_name(), CustomData_get_render_layer(), CustomData_has_layer(), CustomData_number_of_layers(), ParticleSettings::disp, ParticleSettings::draw, Mesh::fdata, float(), GPU_COMP_F32, GPU_COMP_U16, GPU_COMP_U32, GPU_FETCH_FLOAT, GPU_FETCH_INT, GPU_FETCH_INT_TO_FLOAT_UNIT, GPU_MAX_SAFE_ATTR_NAME, GPU_texture_create_from_vertbuf(), GPU_vertbuf_attr_get_raw_data(), GPU_vertbuf_create_with_format, GPU_vertbuf_data_alloc(), GPU_vertbuf_use(), GPU_vertformat_attr_add(), GPU_vertformat_safe_attr_name(), Mesh::ldata, MAX_LAYER_NAME_LEN, MAX_MTFACE, MEM_calloc_arrayN, MEM_freeN, MEM_SAFE_FREE, ParticleSystemModifierData::mesh_final, NULL, ParticleHairCache::num_col_layers, ParticleHairCache::num_uv_layers, ParticleSystem::part, PART_DRAW_PARENT, particle_batch_cache_fill_strands_data(), PARTICLE_SOURCE_CHILDREN, PARTICLE_SOURCE_PARENT, PTCacheEdit::pathcache, ParticleSystem::pathcache, ParticleHairCache::proc_col_buf, ParticleHairCache::proc_strand_buf, ParticleHairCache::proc_strand_seg_buf, ParticleHairCache::proc_uv_buf, ParticleHairCache::strand_seg_tex, ParticleHairCache::strand_tex, ParticleHairCache::strands_len, PTCacheEdit::totcached, ParticleSystem::totchild, ParticleSystem::totpart, ParticleHairCache::uv_layer_names, and ParticleHairCache::uv_tex.

Referenced by particles_ensure_procedural_data().

particle_batch_cache_fill_segments()

static int particle_batch_cache_fill_segments ( ParticleSystem *  psys, ParticleSystemModifierData *  psmd, ParticleCacheKey **  path_cache, const ParticleSource  particle_source, const int  global_offset, const int  start_index, const int  num_path_keys, const int  num_uv_layers, const int  num_col_layers, const MTFace **  mtfaces, const MCol **  mcols, uint *  uv_id, uint *  col_id, float(***)  r_parent_uvs[2], MCol ***  r_parent_mcol, GPUIndexBufBuilder *  elb, HairAttributeID *  attr_id, ParticleHairCache *  hair_cache  )

static

Definition at line 494 of file draw_cache_impl_particles.c.

References attr_id, ParticleSystem::child, ParticleSettings::childtype, ParticleCacheKey::co, float(), GPU_indexbuf_add_generic_vert(), GPU_indexbuf_add_primitive_restart(), GPU_vertbuf_attr_set(), is_child(), MEM_callocN, MEM_freeN, NULL, ChildParticle::parent, ParticleSystem::part, PART_CHILD_PARTICLES, particle_calculate_mcol(), particle_calculate_uvs(), particle_pack_mcol(), PARTICLE_SOURCE_CHILDREN, ParticleHairCache::pos, ParticleCacheKey::segments, sub_v3_v3v3(), and ParticleSystem::totpart.

Referenced by particle_batch_cache_ensure_pos_and_seg().

particle_batch_cache_fill_segments_edit()

static int particle_batch_cache_fill_segments_edit ( const PTCacheEdit *  UNUSEDedit, const ParticleData *  particle, ParticleCacheKey **  path_cache, const int  start_index, const int  num_path_keys, GPUIndexBufBuilder *  elb, GPUVertBufRaw *  attr_step  )

static

Definition at line 667 of file draw_cache_impl_particles.c.

References ParticleCacheKey::co, ParticleCacheKey::col, EditStrandData::color, copy_v3_v3(), float(), GPU_indexbuf_add_generic_vert(), GPU_indexbuf_add_primitive_restart(), GPU_vertbuf_raw_step(), particle_key_weight(), EditStrandData::pos, and ParticleCacheKey::segments.

Referenced by particle_batch_cache_ensure_edit_pos_and_seg().

particle_batch_cache_fill_segments_indices()

static int particle_batch_cache_fill_segments_indices ( ParticleCacheKey **  path_cache, const int  start_index, const int  num_path_keys, const int  res, GPUIndexBufBuilder *  elb  )

static

Definition at line 704 of file draw_cache_impl_particles.c.

References GPU_indexbuf_add_generic_vert(), GPU_indexbuf_add_primitive_restart(), and ParticleCacheKey::segments.

Referenced by particle_batch_cache_ensure_procedural_indices().

particle_batch_cache_fill_segments_proc_pos()

static void particle_batch_cache_fill_segments_proc_pos ( ParticleCacheKey **  path_cache, const int  num_path_keys, GPUVertBufRaw *  attr_step, GPUVertBufRaw *  length_step  )

static

Definition at line 615 of file draw_cache_impl_particles.c.

References ParticleCacheKey::co, copy_v3_v3(), GPU_vertbuf_raw_step(), len_v3v3(), NULL, and ParticleCacheKey::segments.

Referenced by particle_batch_cache_ensure_procedural_pos().

particle_batch_cache_fill_strands_data()

static int particle_batch_cache_fill_strands_data ( ParticleSystem *  psys, ParticleSystemModifierData *  psmd, ParticleCacheKey **  path_cache, const ParticleSource  particle_source, const int  start_index, const int  num_path_keys, GPUVertBufRaw *  data_step, GPUVertBufRaw *  seg_step, float(***)  r_parent_uvs[2], GPUVertBufRaw *  uv_step, const MTFace **  mtfaces, int  num_uv_layers, MCol ***  r_parent_mcol, GPUVertBufRaw *  col_step, const MCol **  mcols, int  num_col_layers  )

static

Definition at line 724 of file draw_cache_impl_particles.c.

References ParticleSystem::child, ParticleSettings::childtype, copy_v2_v2(), float(), GPU_vertbuf_raw_step(), is_child(), MEM_callocN, MEM_freeN, NULL, ChildParticle::parent, ParticleSystem::part, PART_CHILD_PARTICLES, particle_calculate_mcol(), particle_calculate_uvs(), particle_pack_mcol(), PARTICLE_SOURCE_CHILDREN, ParticleCacheKey::segments, and ParticleSystem::totpart.

Referenced by particle_batch_cache_ensure_procedural_strand_data().

particle_batch_cache_free_hair()

static void particle_batch_cache_free_hair ( ParticleHairCache *  hair )

static

Definition at line 223 of file draw_cache_impl_particles.c.

References ParticleHairCache::col_layer_names, ParticleHairCache::col_tex, MEM_SAFE_FREE, and ParticleHairCache::proc_col_buf.

Referenced by DRW_particle_batch_cache_free().

particle_batch_cache_get()

static ParticleBatchCache* particle_batch_cache_get ( ParticleSystem *  psys )

static

Definition at line 139 of file draw_cache_impl_particles.c.

References ParticleSystem::batch_cache, particle_batch_cache_clear(), particle_batch_cache_init(), and particle_batch_cache_valid().

Referenced by DRW_particles_batch_cache_get_dots(), DRW_particles_batch_cache_get_edit_inner_points(), DRW_particles_batch_cache_get_edit_strands(), DRW_particles_batch_cache_get_edit_tip_points(), DRW_particles_batch_cache_get_hair(), and particles_ensure_procedural_data().

particle_batch_cache_init()

static void particle_batch_cache_init ( ParticleSystem *  psys )

static

Definition at line 125 of file draw_cache_impl_particles.c.

References ParticleSystem::batch_cache, ParticleBatchCache::is_dirty, and MEM_callocN.

Referenced by particle_batch_cache_get().

particle_batch_cache_valid()

static bool particle_batch_cache_valid ( ParticleSystem *  psys )

static

Definition at line 108 of file draw_cache_impl_particles.c.

References ParticleSystem::batch_cache, ParticleBatchCache::is_dirty, and NULL.

Referenced by particle_batch_cache_get().

particle_calculate_mcol()

static void particle_calculate_mcol ( ParticleSystem *  psys, ParticleSystemModifierData *  psmd, const bool  is_simple, const int  num_col_layers, const int  parent_index, const int  child_index, const MCol **  mcols, MCol **  r_parent_mcol, MCol **  r_mcol  )

static

Definition at line 446 of file draw_cache_impl_particles.c.

References ParticleSystem::child, MEM_callocN, NULL, ChildParticle::parent, particle_calculate_parent_mcol(), and particle_interpolate_children_mcol().

Referenced by particle_batch_cache_fill_segments(), and particle_batch_cache_fill_strands_data().

particle_calculate_parent_mcol()

static void particle_calculate_parent_mcol ( ParticleSystem *  psys, ParticleSystemModifierData *  psmd, const int  num_col_layers, const int  parent_index, const MCol **  mcols, MCol *  r_mcol  )

static

Definition at line 323 of file draw_cache_impl_particles.c.

References DMCACHE_ISCHILD, DMCACHE_NOTFOUND, ELEM, ParticleSettings::from, ParticleData::fuv, ParticleSystemModifierData::mesh_final, Mesh::mface, NULL, ParticleData::num, ParticleData::num_dmcache, ParticleSystem::part, PART_FROM_FACE, PART_FROM_VOLUME, ParticleSystem::particles, ParticleSystemModifierData::psys, psys_interpolate_mcol(), Mesh::totface, and MFace::v4.

Referenced by particle_calculate_mcol().

particle_calculate_parent_uvs()

static void particle_calculate_parent_uvs ( ParticleSystem *  psys, ParticleSystemModifierData *  psmd, const int  num_uv_layers, const int  parent_index, const MTFace **  mtfaces, float(*)  r_uv[2]  )

static

Definition at line 294 of file draw_cache_impl_particles.c.

References DMCACHE_ISCHILD, DMCACHE_NOTFOUND, ELEM, ParticleSettings::from, ParticleData::fuv, ParticleSystemModifierData::mesh_final, Mesh::mface, NULL, ParticleData::num, ParticleData::num_dmcache, ParticleSystem::part, PART_FROM_FACE, PART_FROM_VOLUME, ParticleSystem::particles, ParticleSystemModifierData::psys, psys_interpolate_uvs(), Mesh::totface, and MFace::v4.

Referenced by particle_calculate_uvs().

particle_calculate_uvs()

static void particle_calculate_uvs ( ParticleSystem *  psys, ParticleSystemModifierData *  psmd, const bool  is_simple, const int  num_uv_layers, const int  parent_index, const int  child_index, const MTFace **  mtfaces, float(**)  r_parent_uvs[2], float(**)  r_uv[2]  )

static

Definition at line 403 of file draw_cache_impl_particles.c.

References ParticleSystem::child, MEM_callocN, NULL, ChildParticle::parent, particle_calculate_parent_uvs(), and particle_interpolate_children_uvs().

Referenced by particle_batch_cache_fill_segments(), and particle_batch_cache_fill_strands_data().

particle_interpolate_children_mcol()

static void particle_interpolate_children_mcol ( ParticleSystem *  psys, ParticleSystemModifierData *  psmd, const int  num_col_layers, const int  child_index, const MCol **  mcols, MCol *  r_mcol  )

static

Definition at line 378 of file draw_cache_impl_particles.c.

References ParticleSystem::child, DMCACHE_NOTFOUND, ELEM, ParticleSettings::from, ChildParticle::fuv, ParticleSystemModifierData::mesh_final, Mesh::mface, NULL, ChildParticle::num, ParticleSystem::part, PART_FROM_FACE, PART_FROM_VOLUME, ParticleSystemModifierData::psys, psys_interpolate_mcol(), and MFace::v4.

Referenced by particle_calculate_mcol().

particle_interpolate_children_uvs()

static void particle_interpolate_children_uvs ( ParticleSystem *  psys, ParticleSystemModifierData *  psmd, const int  num_uv_layers, const int  child_index, const MTFace **  mtfaces, float(*)  r_uv[2]  )

static

Definition at line 354 of file draw_cache_impl_particles.c.

References ParticleSystem::child, DMCACHE_NOTFOUND, ELEM, ParticleSettings::from, ChildParticle::fuv, ParticleSystemModifierData::mesh_final, Mesh::mface, NULL, ChildParticle::num, ParticleSystem::part, PART_FROM_FACE, PART_FROM_VOLUME, ParticleSystemModifierData::psys, psys_interpolate_uvs(), and MFace::v4.

Referenced by particle_calculate_uvs().

particle_key_weight()

static float particle_key_weight ( const ParticleData *  particle, int  strand, float  t  )

static

Definition at line 650 of file draw_cache_impl_particles.c.

References floorf, ParticleData::hair, interp(), t, ParticleData::totkey, and HairKey::weight.

Referenced by particle_batch_cache_fill_segments_edit().

particle_pack_mcol()

static void particle_pack_mcol ( MCol *  mcol, ushort  r_scol[3]  )

static

Definition at line 285 of file draw_cache_impl_particles.c.

References MCol::b, BLI_color_from_srgb_table, MCol::g, MCol::r, and unit_float_to_ushort_clamp().

Referenced by particle_batch_cache_fill_segments(), and particle_batch_cache_fill_strands_data().

particles_ensure_procedural_data()

bool particles_ensure_procedural_data	(	struct Object *	object,
		struct ParticleSystem *	psys,
		struct ModifierData *	md,
		struct ParticleHairCache **	r_hair_cache,
		struct GPUMaterial *	gpu_material,
		int	subdiv,
		int	thickness_res
	)

Ensure all textures and buffers needed for GPU accelerated drawing.

Definition at line 1688 of file draw_cache_impl_particles.c.

References ParticleSettings::draw_step, drw_particle_get_hair_source(), drw_particle_update_ptcache(), ParticleDrawSource::edit, ensure_seg_pt_count(), ParticleHairCache::final, ParticleBatchCache::hair, ParticleDrawSource::md, NULL, ParticleSystem::part, particle_batch_cache_ensure_procedural_final_points(), particle_batch_cache_ensure_procedural_indices(), particle_batch_cache_ensure_procedural_pos(), particle_batch_cache_ensure_procedural_strand_data(), particle_batch_cache_get(), ParticleDrawSource::psys, and ParticleHairFinalCache::strands_res.

Referenced by drw_hair_particle_cache_get().