draw_cache_impl_hair.c File Reference

Hair API for render engines. More...

#include <string.h>
#include "MEM_guardedalloc.h"
#include "BLI_math_base.h"
#include "BLI_math_vector.h"
#include "BLI_utildefines.h"
#include "DNA_hair_types.h"
#include "DNA_object_types.h"
#include "BKE_hair.h"
#include "GPU_batch.h"
#include "GPU_texture.h"
#include "draw_cache_impl.h"
#include "draw_hair_private.h"

Go to the source code of this file.

Classes
struct	HairBatchCache

Typedefs
typedef struct HairBatchCache	HairBatchCache

Functions
static void	hair_batch_cache_clear (Hair *hair)
static bool	hair_batch_cache_valid (Hair *hair)
static void	hair_batch_cache_init (Hair *hair)
void	DRW_hair_batch_cache_validate (Hair *hair)
static HairBatchCache *	hair_batch_cache_get (Hair *hair)
void	DRW_hair_batch_cache_dirty_tag (Hair *hair, int mode)
void	DRW_hair_batch_cache_free (Hair *hair)
static void	ensure_seg_pt_count (Hair *hair, ParticleHairCache *hair_cache)
static void	hair_batch_cache_fill_segments_proc_pos (Hair *hair, GPUVertBufRaw *attr_step)
static void	hair_batch_cache_ensure_procedural_pos (Hair *hair, ParticleHairCache *cache)
static void	hair_batch_cache_fill_strands_data (Hair *hair, GPUVertBufRaw *data_step, GPUVertBufRaw *seg_step)
static void	hair_batch_cache_ensure_procedural_strand_data (Hair *hair, ParticleHairCache *cache)
static void	hair_batch_cache_ensure_procedural_final_points (ParticleHairCache *cache, int subdiv)
static void	hair_batch_cache_fill_segments_indices (Hair *hair, const int res, GPUIndexBufBuilder *elb)
static void	hair_batch_cache_ensure_procedural_indices (Hair *hair, ParticleHairCache *cache, int thickness_res, int subdiv)
bool	hair_ensure_procedural_data (Object *object, ParticleHairCache **r_hair_cache, int subdiv, int thickness_res)
int	DRW_hair_material_count_get (Hair *hair)

Detailed Description

Hair API for render engines.

Definition in file draw_cache_impl_hair.c.

Typedef Documentation

HairBatchCache

typedef struct HairBatchCache HairBatchCache

Function Documentation

DRW_hair_batch_cache_dirty_tag()

void DRW_hair_batch_cache_dirty_tag	(	Hair *	hair,
		int	mode
	)

Definition at line 93 of file draw_cache_impl_hair.c.

References Hair::batch_cache, BKE_HAIR_BATCH_DIRTY_ALL, BLI_assert, HairBatchCache::is_dirty, and NULL.

Referenced by DRW_engines_register().

DRW_hair_batch_cache_free()

void DRW_hair_batch_cache_free

(

Hair *

hair

)

Definition at line 118 of file draw_cache_impl_hair.c.

References Hair::batch_cache, hair_batch_cache_clear(), and MEM_SAFE_FREE.

Referenced by DRW_engines_register().

DRW_hair_batch_cache_validate()

void DRW_hair_batch_cache_validate

(

Hair *

hair

)

Definition at line 79 of file draw_cache_impl_hair.c.

References hair_batch_cache_clear(), hair_batch_cache_init(), and hair_batch_cache_valid().

Referenced by drw_batch_cache_validate(), and hair_batch_cache_get().

DRW_hair_material_count_get()

int DRW_hair_material_count_get

(

Hair *

hair

)

Definition at line 348 of file draw_cache_impl_hair.c.

References max_ii(), and Hair::totcol.

Referenced by DRW_cache_object_material_count_get().

ensure_seg_pt_count()

static void ensure_seg_pt_count ( Hair *  hair, ParticleHairCache *  hair_cache  )

static

Definition at line 124 of file draw_cache_impl_hair.c.

References curve, Hair::curves, ParticleHairCache::elems_len, ParticleHairCache::indices, NULL, ParticleHairCache::point_len, ParticleHairCache::pos, ParticleHairCache::proc_point_buf, ParticleHairCache::strands_len, and Hair::totcurve.

Referenced by hair_ensure_procedural_data().

hair_batch_cache_clear()

static void hair_batch_cache_clear ( Hair *  hair )

static

Definition at line 108 of file draw_cache_impl_hair.c.

References Hair::batch_cache, HairBatchCache::hair, and particle_batch_cache_clear_hair().

Referenced by DRW_hair_batch_cache_free(), and DRW_hair_batch_cache_validate().

hair_batch_cache_ensure_procedural_final_points()

static void hair_batch_cache_ensure_procedural_final_points ( ParticleHairCache *  cache, int  subdiv  )

static

Definition at line 240 of file draw_cache_impl_hair.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 hair_ensure_procedural_data().

hair_batch_cache_ensure_procedural_indices()

static void hair_batch_cache_ensure_procedural_indices ( Hair *  hair, ParticleHairCache *  cache, int  thickness_res, int  subdiv  )

static

Definition at line 275 of file draw_cache_impl_hair.c.

References BLI_assert, 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(), hair_batch_cache_fill_segments_indices(), MAX_THICKRES, NULL, ParticleHairFinalCache::proc_hairs, ParticleHairCache::strands_len, and ParticleHairFinalCache::strands_res.

Referenced by hair_ensure_procedural_data().

hair_batch_cache_ensure_procedural_pos()

static void hair_batch_cache_ensure_procedural_pos ( Hair *  hair, ParticleHairCache *  cache  )

static

Definition at line 174 of file draw_cache_impl_hair.c.

References GPU_COMP_F32, GPU_FETCH_FLOAT, 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(), hair_batch_cache_fill_segments_proc_pos(), NULL, ParticleHairCache::point_len, ParticleHairCache::point_tex, and ParticleHairCache::proc_point_buf.

Referenced by hair_ensure_procedural_data().

hair_batch_cache_ensure_procedural_strand_data()

static void hair_batch_cache_ensure_procedural_strand_data ( Hair *  hair, ParticleHairCache *  cache  )

static

Definition at line 210 of file draw_cache_impl_hair.c.

References GPU_COMP_U16, GPU_COMP_U32, GPU_FETCH_INT, 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(), hair_batch_cache_fill_strands_data(), ParticleHairCache::proc_strand_buf, ParticleHairCache::proc_strand_seg_buf, ParticleHairCache::strand_seg_tex, ParticleHairCache::strand_tex, and ParticleHairCache::strands_len.

Referenced by hair_ensure_procedural_data().

hair_batch_cache_fill_segments_indices()

static void hair_batch_cache_fill_segments_indices ( Hair *  hair, const int  res, GPUIndexBufBuilder *  elb  )

static

Definition at line 260 of file draw_cache_impl_hair.c.

References curve, Hair::curves, GPU_indexbuf_add_generic_vert(), GPU_indexbuf_add_primitive_restart(), and Hair::totcurve.

Referenced by hair_batch_cache_ensure_procedural_indices().

hair_batch_cache_fill_segments_proc_pos()

static void hair_batch_cache_fill_segments_proc_pos ( Hair *  hair, GPUVertBufRaw *  attr_step  )

static

Definition at line 144 of file draw_cache_impl_hair.c.

References Hair::co, copy_v3_v3(), curve, Hair::curves, float(), GPU_vertbuf_raw_step(), len_v3v3(), NULL, and Hair::totcurve.

Referenced by hair_batch_cache_ensure_procedural_pos().

hair_batch_cache_fill_strands_data()

static void hair_batch_cache_fill_strands_data ( Hair *  hair, GPUVertBufRaw *  data_step, GPUVertBufRaw *  seg_step  )

static

Definition at line 198 of file draw_cache_impl_hair.c.

References curve, Hair::curves, GPU_vertbuf_raw_step(), and Hair::totcurve.

Referenced by hair_batch_cache_ensure_procedural_strand_data().

hair_batch_cache_get()

static HairBatchCache* hair_batch_cache_get ( Hair *  hair )

static

Definition at line 87 of file draw_cache_impl_hair.c.

References Hair::batch_cache, and DRW_hair_batch_cache_validate().

Referenced by hair_ensure_procedural_data().

hair_batch_cache_init()

static void hair_batch_cache_init ( Hair *  hair )

static

Definition at line 65 of file draw_cache_impl_hair.c.

References Hair::batch_cache, HairBatchCache::is_dirty, and MEM_callocN.

Referenced by DRW_hair_batch_cache_validate().

hair_batch_cache_valid()

static bool hair_batch_cache_valid ( Hair *  hair )

static

Definition at line 59 of file draw_cache_impl_hair.c.

References Hair::batch_cache, and HairBatchCache::is_dirty.

Referenced by DRW_hair_batch_cache_validate().

hair_ensure_procedural_data()

bool hair_ensure_procedural_data	(	Object *	object,
		ParticleHairCache **	r_hair_cache,
		int	subdiv,
		int	thickness_res
	)

Definition at line 310 of file draw_cache_impl_hair.c.

References ensure_seg_pt_count(), HairBatchCache::hair, hair_batch_cache_ensure_procedural_final_points(), hair_batch_cache_ensure_procedural_indices(), hair_batch_cache_ensure_procedural_pos(), hair_batch_cache_ensure_procedural_strand_data(), hair_batch_cache_get(), NULL, and steps.

Referenced by drw_hair_particle_cache_get().