draw_cache_impl_curves.cc File Reference

Curves API for render engines. More...

#include <cstring>
#include "MEM_guardedalloc.h"
#include "BLI_listbase.h"
#include "BLI_math_base.h"
#include "BLI_math_vec_types.hh"
#include "BLI_math_vector.h"
#include "BLI_math_vector.hh"
#include "BLI_span.hh"
#include "BLI_utildefines.h"
#include "DNA_curves_types.h"
#include "DNA_object_types.h"
#include "DNA_scene_types.h"
#include "BKE_curves.hh"
#include "BKE_geometry_set.hh"
#include "GPU_batch.h"
#include "GPU_material.h"
#include "GPU_texture.h"
#include "DRW_render.h"
#include "draw_attributes.h"
#include "draw_cache_impl.h"
#include "draw_cache_inline.h"
#include "draw_curves_private.h"
#include "draw_shader.h"

Go to the source code of this file.

Classes
struct	CurvesBatchCache
struct	PositionAndParameter

Functions
static bool	curves_batch_cache_valid (const Curves &curves)
static void	curves_batch_cache_init (Curves &curves)
static void	curves_discard_attributes (CurvesEvalCache &curves_cache)
static void	curves_batch_cache_clear_data (CurvesEvalCache &curves_cache)
static void	curves_batch_cache_clear (Curves &curves)
void	DRW_curves_batch_cache_validate (Curves *curves)
static CurvesBatchCache &	curves_batch_cache_get (Curves &curves)
void	DRW_curves_batch_cache_dirty_tag (Curves *curves, int mode)
void	DRW_curves_batch_cache_free (Curves *curves)
void	DRW_curves_batch_cache_free_old (Curves *curves, int ctime)
static void	ensure_seg_pt_count (const Curves &curves, CurvesEvalCache &curves_cache)
static void	curves_batch_cache_fill_segments_proc_pos (const Curves &curves_id, MutableSpan< PositionAndParameter > posTime_data, MutableSpan< float > hairLength_data)
static void	curves_batch_cache_ensure_procedural_pos (const Curves &curves, CurvesEvalCache &cache, GPUMaterial *gpu_material)
void	drw_curves_get_attribute_sampler_name (const char *layer_name, char r_sampler_name[32])
static void	curves_batch_cache_ensure_procedural_final_attr (CurvesEvalCache &cache, const GPUVertFormat *format, const int subdiv, const int index, const char *name)
static void	curves_batch_ensure_attribute (const Curves &curves, CurvesEvalCache &cache, const DRW_AttributeRequest &request, const int subdiv, const int index)
static void	curves_batch_cache_fill_strands_data (const Curves &curves_id, GPUVertBufRaw &data_step, GPUVertBufRaw &seg_step)
static void	curves_batch_cache_ensure_procedural_strand_data (Curves &curves, CurvesEvalCache &cache)
static void	curves_batch_cache_ensure_procedural_final_points (CurvesEvalCache &cache, int subdiv)
static void	curves_batch_cache_fill_segments_indices (const Curves &curves, const int res, GPUIndexBufBuilder &elb)
static void	curves_batch_cache_ensure_procedural_indices (Curves &curves, CurvesEvalCache &cache, const int thickness_res, const int subdiv)
static bool	curves_ensure_attributes (const Curves &curves, CurvesBatchCache &cache, GPUMaterial *gpu_material, int subdiv)
bool	curves_ensure_procedural_data (Curves *curves, CurvesEvalCache **r_hair_cache, GPUMaterial *gpu_material, const int subdiv, const int thickness_res)
int	DRW_curves_material_count_get (Curves *curves)
GPUBatch *	DRW_curves_batch_cache_get_edit_points (Curves *curves)
static void	request_attribute (Curves &curves, const char *name)
GPUTexture **	DRW_curves_texture_for_evaluated_attribute (Curves *curves, const char *name, bool *r_is_point_domain)
void	DRW_curves_batch_cache_create_requested (Object *ob)

Detailed Description

Curves API for render engines.

Definition in file draw_cache_impl_curves.cc.

Function Documentation

curves_batch_cache_clear()

static void curves_batch_cache_clear ( Curves &  curves )

static

Definition at line 130 of file draw_cache_impl_curves.cc.

References curves, curves_batch_cache_clear_data(), CurvesBatchCache::curves_cache, CurvesBatchCache::edit_points, and GPU_BATCH_DISCARD_SAFE.

Referenced by DRW_curves_batch_cache_free(), and DRW_curves_batch_cache_validate().

curves_batch_cache_clear_data()

static void curves_batch_cache_clear_data ( CurvesEvalCache &  curves_cache )

static

Definition at line 106 of file draw_cache_impl_curves.cc.

References curves_discard_attributes(), DRW_TEXTURE_FREE_SAFE, CurvesEvalCache::final, GPU_BATCH_DISCARD_SAFE, GPU_VERTBUF_DISCARD_SAFE, CurvesEvalCache::length_tex, MAX_HAIR_SUBDIV, MAX_THICKRES, CurvesEvalCache::point_tex, CurvesEvalFinalCache::proc_buf, CurvesEvalFinalCache::proc_hairs, CurvesEvalCache::proc_length_buf, CurvesEvalCache::proc_point_buf, CurvesEvalCache::proc_strand_buf, CurvesEvalCache::proc_strand_seg_buf, CurvesEvalFinalCache::proc_tex, CurvesEvalCache::strand_seg_tex, and CurvesEvalCache::strand_tex.

Referenced by curves_batch_cache_clear().

curves_batch_cache_ensure_procedural_final_attr()

static void curves_batch_cache_ensure_procedural_final_attr ( CurvesEvalCache &  cache, const GPUVertFormat *  format, const int  subdiv, const int  index, const char *  name  )

static

Definition at line 315 of file draw_cache_impl_curves.cc.

References CurvesEvalFinalCache::attributes_buf, CurvesEvalFinalCache::attributes_tex, CurvesEvalCache::final, GPU_texture_create_from_vertbuf(), GPU_USAGE_DEVICE_ONLY, GPU_vertbuf_create_with_format_ex(), GPU_vertbuf_data_alloc(), GPU_vertbuf_use(), CurvesEvalCache::strands_len, and CurvesEvalFinalCache::strands_res.

Referenced by curves_batch_ensure_attribute().

curves_batch_cache_ensure_procedural_final_points()

static void curves_batch_cache_ensure_procedural_final_points ( CurvesEvalCache &  cache, int  subdiv  )

static

Definition at line 438 of file draw_cache_impl_curves.cc.

References CurvesEvalCache::final, GPU_COMP_F32, GPU_FETCH_FLOAT, GPU_texture_create_from_vertbuf(), GPU_USAGE_DEVICE_ONLY, GPU_vertbuf_create_with_format_ex(), GPU_vertbuf_data_alloc(), GPU_vertbuf_use(), GPU_vertformat_attr_add(), CurvesEvalFinalCache::proc_buf, CurvesEvalFinalCache::proc_tex, CurvesEvalCache::strands_len, and CurvesEvalFinalCache::strands_res.

Referenced by curves_ensure_procedural_data().

curves_batch_cache_ensure_procedural_indices()

static void curves_batch_cache_ensure_procedural_indices ( Curves &  curves, CurvesEvalCache &  cache, const int  thickness_res, const int  subdiv  )

static

Definition at line 474 of file draw_cache_impl_curves.cc.

References BLI_assert, curves, curves_batch_cache_fill_segments_indices(), CurvesEvalCache::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, CurvesEvalFinalCache::proc_hairs, CurvesEvalCache::strands_len, and CurvesEvalFinalCache::strands_res.

Referenced by curves_ensure_procedural_data().

curves_batch_cache_ensure_procedural_pos()

static void curves_batch_cache_ensure_procedural_pos ( const Curves &  curves, CurvesEvalCache &  cache, GPUMaterial *  gpu_material  )

static

Definition at line 262 of file draw_cache_impl_curves.cc.

References CD_HAIRLENGTH, curves, curves_batch_cache_fill_segments_proc_pos(), DRW_vbo_requested(), GPU_COMP_F32, GPU_FETCH_FLOAT, GPU_material_attributes(), GPU_texture_create_from_vertbuf(), GPU_vertbuf_create_with_format, GPU_vertbuf_data_alloc(), GPU_vertbuf_get_data(), GPU_vertbuf_use(), GPU_vertformat_alias_add(), GPU_vertformat_attr_add(), CurvesEvalCache::length_tex, LISTBASE_FOREACH, CurvesEvalCache::point_len, CurvesEvalCache::point_tex, CurvesEvalCache::proc_length_buf, CurvesEvalCache::proc_point_buf, and CurvesEvalCache::strands_len.

Referenced by curves_ensure_procedural_data(), and DRW_curves_batch_cache_create_requested().

curves_batch_cache_ensure_procedural_strand_data()

static void curves_batch_cache_ensure_procedural_strand_data ( Curves &  curves, CurvesEvalCache &  cache  )

static

Definition at line 407 of file draw_cache_impl_curves.cc.

References curves, curves_batch_cache_fill_strands_data(), 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(), CurvesEvalCache::proc_strand_buf, CurvesEvalCache::proc_strand_seg_buf, CurvesEvalCache::strand_seg_tex, CurvesEvalCache::strand_tex, and CurvesEvalCache::strands_len.

Referenced by curves_ensure_procedural_data().

curves_batch_cache_fill_segments_indices()

static void curves_batch_cache_fill_segments_indices ( const Curves &  curves, const int  res, GPUIndexBufBuilder &  elb  )

static

Definition at line 458 of file draw_cache_impl_curves.cc.

References curves, GPU_indexbuf_add_generic_vert(), and GPU_indexbuf_add_primitive_restart().

Referenced by curves_batch_cache_ensure_procedural_indices().

curves_batch_cache_fill_segments_proc_pos()

static void curves_batch_cache_fill_segments_proc_pos ( const Curves &  curves_id, MutableSpan< PositionAndParameter >  posTime_data, MutableSpan< float >  hairLength_data  )

static

Definition at line 223 of file draw_cache_impl_curves.cc.

References CurvesGeometry::curve_num, curves, blender::math::distance(), Curves::geometry, blender::Span< T >::index_range(), positions, blender::MutableSpan< T >::slice(), and blender::bke::CurvesGeometry::wrap().

Referenced by curves_batch_cache_ensure_procedural_pos().

curves_batch_cache_fill_strands_data()

static void curves_batch_cache_fill_strands_data ( const Curves &  curves_id, GPUVertBufRaw &  data_step, GPUVertBufRaw &  seg_step  )

static

Definition at line 392 of file draw_cache_impl_curves.cc.

References curves, Curves::geometry, GPU_vertbuf_raw_step(), blender::IndexRange::size(), blender::IndexRange::start(), and blender::bke::CurvesGeometry::wrap().

Referenced by curves_batch_cache_ensure_procedural_strand_data().

curves_batch_cache_get()

static CurvesBatchCache& curves_batch_cache_get ( Curves &  curves )

static

Definition at line 150 of file draw_cache_impl_curves.cc.

References curves, and DRW_curves_batch_cache_validate().

Referenced by curves_ensure_procedural_data(), DRW_curves_batch_cache_create_requested(), DRW_curves_batch_cache_get_edit_points(), DRW_curves_texture_for_evaluated_attribute(), and request_attribute().

curves_batch_cache_init()

static void curves_batch_cache_init ( Curves &  curves )

static

Definition at line 72 of file draw_cache_impl_curves.cc.

References BLI_mutex_init(), curves, CurvesBatchCache::is_dirty, and CurvesBatchCache::render_mutex.

Referenced by DRW_curves_batch_cache_validate().

curves_batch_cache_valid()

static bool curves_batch_cache_valid ( const Curves &  curves )

static

Definition at line 66 of file draw_cache_impl_curves.cc.

References curves, and CurvesBatchCache::is_dirty.

Referenced by DRW_curves_batch_cache_validate().

curves_batch_ensure_attribute()

static void curves_batch_ensure_attribute ( const Curves &  curves, CurvesEvalCache &  cache, const DRW_AttributeRequest &  request, const int  subdiv, const int  index  )

static

Definition at line 337 of file draw_cache_impl_curves.cc.

References ATTR_DOMAIN_POINT, attribute, DRW_AttributeRequest::attribute_name, blender::bke::CurvesGeometry::attributes(), CurvesEvalFinalCache::attributes_buf, CurvesEvalFinalCache::attributes_tex, curves, curves_batch_cache_ensure_procedural_final_attr(), DRW_AttributeRequest::domain, blender::bke::AttributeAccessor::domain_size(), drw_curves_get_attribute_sampler_name(), DRW_TEXTURE_FREE_SAFE, CurvesEvalCache::final, GPU_COMP_F32, GPU_FETCH_FLOAT, GPU_texture_create_from_vertbuf(), GPU_vertbuf_create_with_format, GPU_vertbuf_data_alloc(), GPU_VERTBUF_DISCARD_SAFE, GPU_vertbuf_get_data(), GPU_vertbuf_use(), GPU_vertformat_attr_add(), GPU_vertformat_deinterleave(), blender::bke::AttributeAccessor::lookup_or_default(), CurvesEvalCache::proc_attributes_buf, CurvesEvalCache::proc_attributes_tex, and blender::bke::CurvesGeometry::wrap().

Referenced by curves_ensure_attributes().

curves_discard_attributes()

static void curves_discard_attributes ( CurvesEvalCache &  curves_cache )

static

Definition at line 89 of file draw_cache_impl_curves.cc.

References CurvesEvalFinalCache::attr_used, CurvesEvalFinalCache::attributes_buf, CurvesEvalFinalCache::attributes_tex, drw_attributes_clear(), DRW_TEXTURE_FREE_SAFE, CurvesEvalCache::final, GPU_MAX_ATTR, GPU_VERTBUF_DISCARD_SAFE, MAX_HAIR_SUBDIV, CurvesEvalCache::proc_attributes_buf, and CurvesEvalCache::proc_attributes_tex.

Referenced by curves_batch_cache_clear_data(), and DRW_curves_batch_cache_free_old().

curves_ensure_attributes()

static bool curves_ensure_attributes ( const Curves &  curves, CurvesBatchCache &  cache, GPUMaterial *  gpu_material, int  subdiv  )

static

Definition at line 508 of file draw_cache_impl_curves.cc.

References ATTR_DOMAIN_CURVE, ATTR_DOMAIN_POINT, CurvesEvalFinalCache::attr_used, CurvesEvalFinalCache::attr_used_over_time, curves, curves_batch_ensure_attribute(), CurvesBatchCache::curves_cache, DRW_AttributeRequest::domain, drw_attributes_add_request(), drw_attributes_clear(), drw_attributes_merge(), drw_attributes_overlap(), drw_custom_data_match_attribute(), DRW_TEXTURE_FREE_SAFE, CurvesEvalCache::final, GPU_material_attributes(), GPU_MAX_ATTR, GPU_VERTBUF_DISCARD_SAFE, LISTBASE_FOREACH, DRW_Attributes::num_requests, CurvesEvalCache::proc_attributes_buf, CurvesEvalCache::proc_attributes_tex, CurvesBatchCache::render_mutex, DRW_Attributes::requests, and type.

Referenced by curves_ensure_procedural_data().

curves_ensure_procedural_data()

bool curves_ensure_procedural_data	(	struct Curves *	curves,
		struct CurvesEvalCache **	r_hair_cache,
		struct GPUMaterial *	gpu_material,
		int	subdiv,
		int	thickness_res
	)

Ensure all necessary textures and buffers exist for GPU accelerated drawing.

Definition at line 571 of file draw_cache_impl_curves.cc.

References curves, curves_batch_cache_ensure_procedural_final_points(), curves_batch_cache_ensure_procedural_indices(), curves_batch_cache_ensure_procedural_pos(), curves_batch_cache_ensure_procedural_strand_data(), curves_batch_cache_get(), CurvesBatchCache::curves_cache, curves_ensure_attributes(), ensure_seg_pt_count(), and steps.

Referenced by drw_curves_cache_get().

DRW_curves_batch_cache_create_requested()

void DRW_curves_batch_cache_create_requested

(

Object *

ob

)

Definition at line 687 of file draw_cache_impl_curves.cc.

References curves, curves_batch_cache_ensure_procedural_pos(), curves_batch_cache_get(), CurvesBatchCache::curves_cache, Object::data, DRW_batch_requested(), DRW_vbo_request(), DRW_vbo_requested(), CurvesBatchCache::edit_points, GPU_PRIM_POINTS, and CurvesEvalCache::proc_point_buf.

Referenced by drw_batch_cache_generate_requested().

DRW_curves_batch_cache_dirty_tag()

void DRW_curves_batch_cache_dirty_tag	(	Curves *	curves,
		int	mode
	)

Definition at line 156 of file draw_cache_impl_curves.cc.

References BKE_CURVES_BATCH_DIRTY_ALL, BLI_assert_unreachable, curves, and CurvesBatchCache::is_dirty.

Referenced by DRW_engines_register().

DRW_curves_batch_cache_free()

void DRW_curves_batch_cache_free

(

Curves *

curves

)

Definition at line 171 of file draw_cache_impl_curves.cc.

References BLI_mutex_end(), curves, curves_batch_cache_clear(), MEM_SAFE_FREE, and CurvesBatchCache::render_mutex.

Referenced by DRW_engines_register().

DRW_curves_batch_cache_free_old()

void DRW_curves_batch_cache_free_old	(	Curves *	curves,
		int	ctime
	)

Definition at line 179 of file draw_cache_impl_curves.cc.

References CurvesEvalFinalCache::attr_used, CurvesEvalFinalCache::attr_used_over_time, curves, CurvesBatchCache::curves_cache, curves_discard_attributes(), drw_attributes_clear(), drw_attributes_overlap(), CurvesEvalCache::final, CurvesEvalFinalCache::last_attr_matching_time, and MAX_HAIR_SUBDIV.

Referenced by DRW_batch_cache_free_old().

DRW_curves_batch_cache_get_edit_points()

GPUBatch* DRW_curves_batch_cache_get_edit_points

(

Curves *

curves

)

Definition at line 617 of file draw_cache_impl_curves.cc.

References curves, curves_batch_cache_get(), DRW_batch_request(), and CurvesBatchCache::edit_points.

Referenced by overlay_edit_curves_add_ob_to_pass().

DRW_curves_batch_cache_validate()

void DRW_curves_batch_cache_validate

(

Curves *

curves

)

Definition at line 142 of file draw_cache_impl_curves.cc.

References curves, curves_batch_cache_clear(), curves_batch_cache_init(), and curves_batch_cache_valid().

Referenced by curves_batch_cache_get(), and drw_batch_cache_validate().

drw_curves_get_attribute_sampler_name()

void drw_curves_get_attribute_sampler_name	(	const char *	layer_name,
		char	r_sampler_name[32]
	)

Definition at line 307 of file draw_cache_impl_curves.cc.

References BLI_snprintf(), GPU_MAX_SAFE_ATTR_NAME, and GPU_vertformat_safe_attr_name().

Referenced by curves_batch_ensure_attribute(), and DRW_shgroup_curves_create_sub().

DRW_curves_material_count_get()

int DRW_curves_material_count_get

(

Curves *

curves

)

Definition at line 612 of file draw_cache_impl_curves.cc.

References curves, and max_ii().

Referenced by DRW_cache_object_material_count_get().

DRW_curves_texture_for_evaluated_attribute()

GPUTexture** DRW_curves_texture_for_evaluated_attribute	(	struct Curves *	curves,
		const char *	name,
		bool *	r_is_point_domain
	)

Provide GPU access to a specific evaluated attribute on curves.

Returns

A pointer to location where the texture will be stored, which will be filled by DRW_shgroup_curves_create_sub.

Definition at line 651 of file draw_cache_impl_curves.cc.

References ATTR_DOMAIN_CURVE, ATTR_DOMAIN_POINT, CurvesEvalFinalCache::attr_used, DRW_AttributeRequest::attribute_name, CurvesEvalFinalCache::attributes_tex, BLI_assert_unreachable, curves, curves_batch_cache_get(), CurvesBatchCache::curves_cache, DRW_AttributeRequest::domain, DRW_context_state_get(), CurvesEvalCache::final, RenderData::hair_subdiv, DRW_Attributes::num_requests, CurvesEvalCache::proc_attributes_tex, Scene::r, request_attribute(), DRW_Attributes::requests, scene, DRWContextState::scene, and STREQ.

Referenced by OVERLAY_sculpt_curves_cache_populate().

ensure_seg_pt_count()

static void ensure_seg_pt_count ( const Curves &  curves, CurvesEvalCache &  curves_cache  )

static

Definition at line 207 of file draw_cache_impl_curves.cc.

References curves, CurvesEvalCache::elems_len, CurvesEvalCache::point_len, CurvesEvalCache::proc_point_buf, and CurvesEvalCache::strands_len.

Referenced by curves_ensure_procedural_data().

request_attribute()

static void request_attribute ( Curves &  curves, const char *  name  )

static

Definition at line 623 of file draw_cache_impl_curves.cc.

References ATTR_DOMAIN_POINT, CurvesEvalFinalCache::attr_used, blender::bke::CurvesGeometry::attributes(), curves, curves_batch_cache_get(), CurvesBatchCache::curves_cache, CustomData_get_named_layer(), drw_attributes_add_request(), drw_attributes_merge(), DRW_context_state_get(), CurvesEvalCache::final, RenderData::hair_subdiv, blender::bke::AttributeAccessor::lookup_meta_data(), Scene::r, CurvesBatchCache::render_mutex, scene, DRWContextState::scene, type, and blender::bke::CurvesGeometry::wrap().

Referenced by DRW_curves_texture_for_evaluated_attribute().