draw_hair.c File Reference

Contains procedural GPU hair drawing methods. More...

#include "DRW_render.h"
#include "BLI_string_utils.h"
#include "BLI_utildefines.h"
#include "DNA_collection_types.h"
#include "DNA_customdata_types.h"
#include "DNA_modifier_types.h"
#include "DNA_particle_types.h"
#include "BKE_duplilist.h"
#include "GPU_batch.h"
#include "GPU_shader.h"
#include "GPU_vertex_buffer.h"
#include "draw_hair_private.h"

Go to the source code of this file.

Macros
#define	USE_TRANSFORM_FEEDBACK

Typedefs
typedef enum ParticleRefineShader	ParticleRefineShader

Enumerations
enum	ParticleRefineShader { PART_REFINE_CATMULL_ROM = 0 , PART_REFINE_MAX_SHADER }

Functions
static GPUShader *	hair_refine_shader_get (ParticleRefineShader sh)
void	DRW_hair_init (void)
static ParticleHairCache *	drw_hair_particle_cache_get (Object *object, ParticleSystem *psys, ModifierData *md, int subdiv, int thickness_res)
GPUVertBuf *	DRW_hair_pos_buffer_get (Object *object, ParticleSystem *psys, ModifierData *md)
void	DRW_hair_duplimat_get (Object *object, ParticleSystem *psys, ModifierData *UNUSED(md), float(*dupli_mat)[4])
DRWShadingGroup *	DRW_shgroup_hair_create_sub (Object *object, ParticleSystem *psys, ModifierData *md, DRWShadingGroup *shgrp_parent)
void	DRW_hair_update (void)
void	DRW_hair_free (void)

Variables
static GPUVertBuf *	g_dummy_vbo = NULL
static GPUTexture *	g_dummy_texture = NULL
static GPUShader *	g_refine_shaders [PART_REFINE_MAX_SHADER] = {NULL}
static DRWPass *	g_tf_pass
char	datatoc_common_hair_lib_glsl []
char	datatoc_common_hair_refine_vert_glsl []
char	datatoc_gpu_shader_3D_smooth_color_frag_glsl []

Detailed Description

Contains procedural GPU hair drawing methods.

Definition in file draw_hair.c.

Macro Definition Documentation

USE_TRANSFORM_FEEDBACK

#define USE_TRANSFORM_FEEDBACK

Definition at line 45 of file draw_hair.c.

Typedef Documentation

ParticleRefineShader

typedef enum ParticleRefineShader ParticleRefineShader

Enumeration Type Documentation

ParticleRefineShader

enum ParticleRefineShader

Enumerator
PART_REFINE_CATMULL_ROM
PART_REFINE_MAX_SHADER

Definition at line 48 of file draw_hair.c.

Function Documentation

DRW_hair_duplimat_get()

void DRW_hair_duplimat_get	(	Object *	object,
		ParticleSystem *	psys,
		ModifierData *	UNUSEDmd,
		float(*)	dupli_mat[4]
	)

Definition at line 188 of file draw_hair.c.

References copy_m4_m4(), DRW_object_get_dupli(), DRW_object_get_dupli_parent(), Object::instance_collection, Collection::instance_offset, invert_m4(), mul_m4_m4m4(), NULL, DupliObject::ob, OB_DUPLICOLLECTION, Object::obmat, sub_v3_v3(), DupliObject::type, and unit_m4().

Referenced by DRW_shgroup_hair_create_sub().

DRW_hair_free()

void DRW_hair_free

(

void

)

Definition at line 376 of file draw_hair.c.

References DRW_SHADER_FREE_SAFE, DRW_TEXTURE_FREE_SAFE, g_dummy_texture, g_dummy_vbo, g_refine_shaders, GPU_VERTBUF_DISCARD_SAFE, and PART_REFINE_MAX_SHADER.

Referenced by DRW_engines_free().

DRW_hair_init()

void DRW_hair_init

(

void

)

Definition at line 103 of file draw_hair.c.

References DRW_pass_create(), DRW_STATE_WRITE_COLOR, g_dummy_texture, g_dummy_vbo, g_tf_pass, GPU_COMP_F32, GPU_FETCH_FLOAT, GPU_texture_create_from_vertbuf(), GPU_vertbuf_attr_fill(), GPU_vertbuf_create_with_format, GPU_vertbuf_data_alloc(), GPU_vertbuf_use(), GPU_vertformat_attr_add(), and NULL.

Referenced by DRW_cache_restart(), DRW_custom_pipeline(), drw_draw_depth_loop_impl(), DRW_draw_render_loop_ex(), DRW_draw_select_loop(), and DRW_render_object_iter().

drw_hair_particle_cache_get()

static ParticleHairCache* drw_hair_particle_cache_get ( Object *  object, ParticleSystem *  psys, ModifierData *  md, int  subdiv, int  thickness_res  )

static

Definition at line 128 of file draw_hair.c.

References DRW_shgroup_call_procedural_points(), DRW_shgroup_create(), DRW_shgroup_transform_feedback_create(), DRW_shgroup_uniform_int(), DRW_shgroup_uniform_texture(), ParticleHairCache::final, g_tf_pass, hair_ensure_procedural_data(), hair_refine_shader_get(), MEM_mallocN, NULL, PART_REFINE_CATMULL_ROM, particles_ensure_procedural_data(), ParticleHairCache::point_tex, ParticleHairFinalCache::proc_buf, ParticleHairCache::strand_seg_tex, ParticleHairCache::strand_tex, ParticleHairCache::strands_len, ParticleHairFinalCache::strands_res, and update().

Referenced by DRW_hair_pos_buffer_get(), and DRW_shgroup_hair_create_sub().

DRW_hair_pos_buffer_get()

GPUVertBuf* DRW_hair_pos_buffer_get	(	Object *	object,
		ParticleSystem *	psys,
		ModifierData *	md
	)

Definition at line 175 of file draw_hair.c.

References DRW_context_state_get(), drw_hair_particle_cache_get(), ParticleHairCache::final, RenderData::hair_subdiv, RenderData::hair_type, ParticleHairFinalCache::proc_buf, Scene::r, SCE_HAIR_SHAPE_STRAND, scene, and DRWContextState::scene.

Referenced by EEVEE_motion_blur_hair_cache_populate().

DRW_hair_update()

void DRW_hair_update

(

void

)

Definition at line 300 of file draw_hair.c.

References data, DRW_draw_pass(), DRW_draw_pass_subset(), DRW_hair_update(), DRW_texture_pool_query_2d(), fb(), g_tf_pass, GPU_DATA_FLOAT, GPU_framebuffer_bind(), GPU_framebuffer_free(), GPU_framebuffer_read_color(), GPU_RGBA32F, GPU_vertbuf_update_sub(), GPU_vertbuf_use(), height, max_ii(), MEM_freeN, MEM_mallocN, min_ii(), NULL, tex, and width.

Referenced by drw_draw_depth_loop_impl(), DRW_draw_render_loop_ex(), DRW_draw_select_loop(), DRW_hair_update(), eevee_lightbake_cache_create(), EEVEE_motion_blur_cache_finish(), EEVEE_render_draw(), and workbench_render().

DRW_shgroup_hair_create_sub()

DRWShadingGroup* DRW_shgroup_hair_create_sub	(	Object *	object,
		ParticleSystem *	psys,
		ModifierData *	md,
		DRWShadingGroup *	shgrp_parent
	)

Definition at line 222 of file draw_hair.c.

References ParticleHairCache::col_layer_names, ParticleHairCache::col_tex, DRW_context_state_get(), DRW_hair_duplimat_get(), drw_hair_particle_cache_get(), DRW_shgroup_call_no_cull, DRW_shgroup_create_sub(), DRW_shgroup_uniform_bool_copy(), DRW_shgroup_uniform_float_copy(), DRW_shgroup_uniform_int(), DRW_shgroup_uniform_int_copy(), DRW_shgroup_uniform_texture(), DRW_shgroup_uniform_vec4_array_copy(), ParticleHairCache::final, g_dummy_texture, GPUBatch, RenderData::hair_subdiv, RenderData::hair_type, MAX_LAYER_NAME_CT, ParticleHairCache::num_col_layers, ParticleHairCache::num_uv_layers, ParticleSystem::part, PART_SHAPE_CLOSE_TIP, ParticleHairFinalCache::proc_hairs, ParticleHairFinalCache::proc_tex, Scene::r, ParticleSettings::rad_root, ParticleSettings::rad_scale, ParticleSettings::rad_tip, SCE_HAIR_SHAPE_STRAND, scene, DRWContextState::scene, ParticleSettings::shape, ParticleSettings::shape_flag, ParticleHairFinalCache::strands_res, ParticleHairCache::uv_layer_names, and ParticleHairCache::uv_tex.

Referenced by eevee_cryptomatte_hair_cache_populate(), eevee_hair_cache_populate(), EEVEE_motion_blur_hair_cache_populate(), and workbench_cache_hair_populate().

hair_refine_shader_get()

static GPUShader* hair_refine_shader_get ( ParticleRefineShader  sh )

static

Definition at line 76 of file draw_hair.c.

References BLI_string_joinN, datatoc_common_hair_lib_glsl, datatoc_common_hair_refine_vert_glsl, datatoc_gpu_shader_3D_smooth_color_frag_glsl, DRW_shader_create, DRW_shader_create_with_transform_feedback(), g_refine_shaders, GPU_SHADER_TFB_POINTS, MEM_freeN, and NULL.

Referenced by drw_hair_particle_cache_get().

Variable Documentation

datatoc_common_hair_lib_glsl

char datatoc_common_hair_lib_glsl[]

extern

Referenced by hair_refine_shader_get().

datatoc_common_hair_refine_vert_glsl

char datatoc_common_hair_refine_vert_glsl[]

extern

Referenced by hair_refine_shader_get().

datatoc_gpu_shader_3D_smooth_color_frag_glsl

char datatoc_gpu_shader_3D_smooth_color_frag_glsl[]

extern

Referenced by hair_refine_shader_get().

g_dummy_texture

GPUTexture* g_dummy_texture = NULL

static

Definition at line 68 of file draw_hair.c.

Referenced by DRW_hair_free(), DRW_hair_init(), and DRW_shgroup_hair_create_sub().

g_dummy_vbo

GPUVertBuf* g_dummy_vbo = NULL

static

Definition at line 67 of file draw_hair.c.

Referenced by DRW_hair_free(), and DRW_hair_init().

g_refine_shaders

GPUShader* g_refine_shaders[PART_REFINE_MAX_SHADER] = {NULL}

static

Definition at line 69 of file draw_hair.c.

Referenced by DRW_hair_free(), and hair_refine_shader_get().

g_tf_pass

DRWPass* g_tf_pass

static

Definition at line 70 of file draw_hair.c.

Referenced by DRW_hair_init(), drw_hair_particle_cache_get(), and DRW_hair_update().