occlusion.c File Reference

#include <math.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "MEM_guardedalloc.h"
#include "DNA_material_types.h"
#include "BLI_math.h"
#include "BLI_blenlib.h"
#include "BLI_memarena.h"
#include "BLI_threads.h"
#include "BLI_utildefines.h"
#include "BKE_global.h"
#include "BKE_scene.h"
#include "RE_shader_ext.h"
#include "occlusion.h"
#include "render_types.h"
#include "rendercore.h"
#include "renderdatabase.h"
#include "pixelshading.h"
#include "shading.h"
#include "zbuf.h"

Go to the source code of this file.

Classes
struct	OcclusionCacheSample
struct	OcclusionCache
struct	OccFace
struct	OccNode
struct	OcclusionTree
struct	OcclusionThread
struct	OcclusionBuildThread
Defines
#define	INVALID_INDEX   ((int)(~0))
#define	INVPI   0.31830988618379069f
#define	TOTCHILD   8
#define	CACHE_STEP   3
Typedefs
typedef struct OcclusionCacheSample	OcclusionCacheSample
typedef struct OcclusionCache	OcclusionCache
typedef struct OccFace	OccFace
typedef struct OccNode	OccNode
typedef struct OcclusionTree	OcclusionTree
typedef struct OcclusionThread	OcclusionThread
typedef struct OcclusionBuildThread	OcclusionBuildThread
Functions
static void	occ_shade (ShadeSample *ssamp, ObjectInstanceRen *obi, VlakRen *vlr, float *rad)
static void	occ_build_shade (Render *re, OcclusionTree *tree)
static void	sh_copy (float *shresult, float *sh)
static void	sh_mul (float *sh, float f)
static void	sh_add (float *shresult, float *sh1, float *sh2)
static void	sh_from_disc (float *n, float area, float *shresult)
static float	sh_eval (float *sh, float *v)
static void	occ_face (const OccFace *face, float co[3], float normal[3], float *area)
static void	occ_sum_occlusion (OcclusionTree *tree, OccNode *node)
static int	occ_find_bbox_axis (OcclusionTree *tree, int begin, int end, float *min, float *max)
static void	occ_node_from_face (OccFace *face, OccNode *node)
static void	occ_build_dco (OcclusionTree *tree, OccNode *node, const float co[3], float *dco)
static void	occ_build_split (OcclusionTree *tree, int begin, int end, int *split)
static void	occ_build_8_split (OcclusionTree *tree, int begin, int end, int *offset, int *count)
static void	occ_build_recursive (OcclusionTree *tree, OccNode *node, int begin, int end, int depth)
static void *	exec_occ_build (void *data)
static void	occ_build_sh_normalize (OccNode *node)
static OcclusionTree *	occ_tree_build (Render *re)
static void	occ_free_tree (OcclusionTree *tree)
static float	occ_solid_angle (OccNode *node, const float v[3], float d2, float invd2, const float receivenormal[3])
static void	VecAddDir (float result[3], const float v1[3], const float v2[3], const float fac)
static int	occ_visible_quad (float *p, const float n[3], const float v0[3], const float *v1, const float *v2, float q0[3], float q1[3], float q2[3], float q3[3])
static void	normalizef (float *n)
static float	occ_quad_form_factor (const float p[3], const float n[3], const float q0[3], const float q1[3], const float q2[3], const float q3[3])
static float	occ_form_factor (OccFace *face, float *p, float *n)
static void	occ_lookup (OcclusionTree *tree, int thread, OccFace *exclude, float *pp, float *pn, float *occ, float rad[3], float bentn[3])
static void	occ_compute_bounces (Render *re, OcclusionTree *tree, int totbounce)
static void	occ_compute_passes (Render *re, OcclusionTree *tree, int totpass)
static void	sample_occ_tree (Render *re, OcclusionTree *tree, OccFace *exclude, float *co, float *n, int thread, int onlyshadow, float *ao, float *env, float *indirect)
static OcclusionCacheSample *	find_occ_sample (OcclusionCache *cache, int x, int y)
static int	sample_occ_cache (OcclusionTree *tree, float *co, float *n, int x, int y, int thread, float *ao, float *env, float *indirect)
static void	sample_occ_surface (ShadeInput *shi)
static void *	exec_strandsurface_sample (void *data)
void	make_occ_tree (Render *re)
void	free_occ (Render *re)
void	sample_occ (Render *re, ShadeInput *shi)
void	cache_occ_samples (Render *re, RenderPart *pa, ShadeSample *ssamp)
void	free_occ_samples (Render *re, RenderPart *pa)
Variables
Render	R

---

Detailed Description

Definition in file occlusion.c.

---

Define Documentation

#define CACHE_STEP   3

Definition at line 69 of file occlusion.c.

Referenced by cache_occ_samples().

#define INVALID_INDEX   ((int)(~0))

Definition at line 66 of file occlusion.c.

#define INVPI   0.31830988618379069f

Definition at line 67 of file occlusion.c.

Referenced by occ_solid_angle().

#define TOTCHILD   8

Definition at line 68 of file occlusion.c.

Referenced by occ_build_dco(), occ_build_recursive(), occ_build_sh_normalize(), occ_lookup(), occ_sum_occlusion(), and occ_tree_build().

---

Typedef Documentation

typedef struct OccFace OccFace

typedef struct OcclusionBuildThread OcclusionBuildThread

typedef struct OcclusionCache OcclusionCache

typedef struct OcclusionCacheSample OcclusionCacheSample

typedef struct OcclusionThread OcclusionThread

typedef struct OcclusionTree OcclusionTree

typedef struct OccNode OccNode

---

Function Documentation

void cache_occ_samples	(	Render *	re,
		RenderPart *	pa,
		ShadeSample *	ssamp
	)

Definition at line 1808 of file occlusion.c.

References OcclusionCacheSample::ao, ShadeInput::ao, OcclusionTree::cache, CACHE_STEP, OcclusionCacheSample::co, ShadeInput::co, copy_v3_v3(), RenderPart::disprect, OcclusionCacheSample::dist2, dot_v3v3(), ShadeInput::dxco, ShadeInput::dyco, OcclusionCacheSample::env, ShadeInput::env, OccFace::facenr, PixStr::facenr, OcclusionCacheSample::filled, OcclusionCache::h, VlakRen::index, OcclusionCacheSample::indirect, ShadeInput::indirect, OcclusionCacheSample::intensity, MA_ONLYSHADOW, PixStr::mask, ShadeInput::mat, MAX2, MAX3(), MEM_callocN(), Material::mode, OcclusionCacheSample::n, PixStr::next, NULL, ShadeInput::obi, OccFace::obi, PixStr::obi, Render::objectinstance, Render::occlusiontree, Render::osa, RenderPart::rectdaps, RenderPart::recto, RenderPart::rectp, RenderPart::rectx, RenderPart::recty, RenderPart::rectz, OcclusionCache::sample, sample_occ_tree(), shade_samples_fill_with_ps(), ShadeSample::shi, OcclusionCache::step, step(), Render::tbh, Render::test_break, ShadeInput::thread, RenderPart::thread, ShadeInput::vlr, ShadeInput::vno, OcclusionCache::w, OcclusionCacheSample::x, OcclusionCache::x, rcti::xmax, rcti::xmin, ShadeInput::xs, OcclusionCacheSample::y, OcclusionCache::y, rcti::ymax, rcti::ymin, ShadeInput::ys, and PixStr::z.

Referenced by shadeDA_tile(), and zbufshade_tile().

static void* exec_occ_build

(

void *

data

)

[static]

Definition at line 518 of file occlusion.c.

References OcclusionBuildThread::begin, OcclusionBuildThread::depth, OcclusionBuildThread::end, OcclusionBuildThread::node, occ_build_recursive(), and OcclusionBuildThread::tree.

Referenced by occ_build_recursive().

static void* exec_strandsurface_sample

(

void *

data

)

[static]

Definition at line 1609 of file occlusion.c.

References OcclusionThread::begin, cent_tri_v3(), StrandSurface::co, co, copy_v3_v3(), StrandSurface::face, OcclusionThread::faceao, OcclusionThread::faceenv, OcclusionThread::faceindirect, OcclusionThread::mesh, mid_v3_v3v3(), negate_v3(), normal_quad_v3(), normal_tri_v3(), NULL, Render::occlusiontree, OcclusionThread::re, sample_occ_tree(), and OcclusionThread::thread.

Referenced by make_occ_tree().

static OcclusionCacheSample* find_occ_sample	(	OcclusionCache *	cache,
		int	x,
		int	y
	)		[static]

Definition at line 1454 of file occlusion.c.

References OcclusionCache::h, NULL, OcclusionCache::sample, OcclusionCache::step, OcclusionCache::w, OcclusionCache::x, and OcclusionCache::y.

Referenced by sample_occ_cache().

void free_occ

(

Render *

re

)

Definition at line 1745 of file occlusion.c.

References NULL, occ_free_tree(), and Render::occlusiontree.

Referenced by RE_Database_Free().

void free_occ_samples	(	Render *	re,
		RenderPart *	pa
	)

Definition at line 1894 of file occlusion.c.

References OcclusionTree::cache, OcclusionCache::h, MEM_freeN(), Render::occlusiontree, OcclusionCache::sample, OcclusionCache::step, RenderPart::thread, and OcclusionCache::w.

Referenced by shadeDA_tile(), and zbufshade_tile().

void make_occ_tree

(

Render *

re

)

Definition at line 1644 of file occlusion.c.

References add_v3_v3(), StrandSurface::ao, World::ao_approx_passes, World::ao_indirect_bounces, OcclusionThread::begin, BLENDER_MAX_THREADS, BLI_end_threads(), BLI_init_threads(), BLI_insert_thread(), StrandSurface::co, copy_v3_v3(), OcclusionTree::doindirect, OcclusionThread::end, StrandSurface::env, exec_strandsurface_sample(), StrandSurface::face, OcclusionThread::faceao, OcclusionThread::faceenv, OcclusionThread::faceindirect, ListBase::first, Render::i, StrandSurface::indirect, RenderStats::infostr, MEM_callocN(), MEM_freeN(), OcclusionThread::mesh, World::mode, mul_v3_fl(), StrandSurface::next, occ_compute_bounces(), occ_compute_passes(), occ_tree_build(), Render::occlusiontree, Render::r, OcclusionThread::re, Render::sdh, Render::stats_draw, Render::strandsurface, OcclusionThread::thread, RenderData::threads, threads, StrandSurface::totface, StrandSurface::totvert, WO_INDIRECT_LIGHT, and Render::wrld.

Referenced by RE_Database_Baking(), and RE_Database_FromScene().

static void normalizef

(

float *

n

)

[static]

Definition at line 1116 of file occlusion.c.

References simple_enum_gen::d, dot_v3v3(), credits_svn_gen::e, F, and sqrtf.

Referenced by occ_quad_form_factor().

static void occ_build_8_split	(	OcclusionTree *	tree,
		int	begin,
		int	end,
		int *	offset,
		int *	count
	)		[static]

Definition at line 483 of file occlusion.c.

References occ_build_split().

Referenced by occ_build_recursive().

static void occ_build_dco	(	OcclusionTree *	tree,
		OccNode *	node,
		const float	co[3],
		float *	dco
	)		[static]

Definition at line 430 of file occlusion.c.

References OccNode::child, OccNode::childflag, OccNode::co, copy_v3_v3(), simple_enum_gen::d, dot_v3v3(), OccNode::face, OcclusionTree::face, OccNode::node, NULL, occ_face(), sub_v3_v3v3(), and TOTCHILD.

Referenced by occ_build_recursive().

static void occ_build_recursive	(	OcclusionTree *	tree,
		OccNode *	node,
		int	begin,
		int	end,
		int	depth
	)		[static]

Definition at line 527 of file occlusion.c.

References OccNode::area, OcclusionTree::arena, OcclusionBuildThread::begin, BLENDER_MAX_THREADS, BLI_end_threads(), BLI_init_threads(), BLI_insert_thread(), BLI_lock_thread(), BLI_memarena_alloc(), BLI_unlock_thread(), OccNode::child, OccNode::childflag, OccNode::co, OccNode::dco, OcclusionBuildThread::depth, OcclusionTree::dothreadedbuild, OcclusionBuildThread::end, exec_occ_build(), OccNode::face, OcclusionTree::face, LOCK_CUSTOM1, madd_v3_v3fl(), OcclusionTree::maxdepth, mul_v3_fl(), OccNode::node, OcclusionBuildThread::node, NULL, occ_build_8_split(), occ_build_dco(), occ_node_from_face(), OccNode::occlusion, OccNode::sh, sh_add(), threads, OcclusionTree::totbuildthread, TOTCHILD, and OcclusionBuildThread::tree.

Referenced by exec_occ_build(), and occ_tree_build().

static void occ_build_sh_normalize

(

OccNode *

node

)

[static]

Definition at line 620 of file occlusion.c.

References OccNode::area, OccNode::child, OccNode::childflag, OccNode::node, OccNode::sh, sh_mul(), and TOTCHILD.

Referenced by occ_tree_build().

static void occ_build_shade	(	Render *	re,
		OcclusionTree *	tree
	)		[static]

Definition at line 211 of file occlusion.c.

References ShadeInput::combinedflag, OcclusionTree::face, OccFace::facenr, ShadeInput::lay, Render::lay, OccFace::obi, Render::objectinstance, ObjectInstanceRen::obr, occ_shade(), ShadeInput::passflag, OcclusionTree::rad, RE_findOrAddVlak(), SCE_PASS_DIFFUSE, SCE_PASS_RGBA, SCE_PASS_SPEC, ShadeSample::shi, ShadeSample::tot, and OcclusionTree::totface.

Referenced by occ_tree_build().

static void occ_build_split	(	OcclusionTree *	tree,
		int	begin,
		int	end,
		int *	split
	)		[static]

Definition at line 455 of file occlusion.c.

References OcclusionTree::co, OcclusionTree::face, max, min, occ_find_bbox_axis(), and SWAP.

Referenced by occ_build_8_split().

static void occ_compute_bounces	(	Render *	re,
		OcclusionTree *	tree,
		int	totbounce
	)		[static]

Definition at line 1319 of file occlusion.c.

References add_v3_v3(), co, credits_svn_gen::e, OcclusionTree::face, i, madd_v3_v3fl(), MAX2, MEM_callocN(), MEM_dupallocN(), MEM_freeN(), NULL, occ_face(), occ_lookup(), occ_sum_occlusion(), OcclusionTree::rad, OcclusionTree::root, sum(), Render::tbh, Render::test_break, and OcclusionTree::totface.

Referenced by make_occ_tree().

static void occ_compute_passes	(	Render *	re,
		OcclusionTree *	tree,
		int	totpass
	)		[static]

Definition at line 1360 of file occlusion.c.

References co, credits_svn_gen::e, OcclusionTree::face, i, madd_v3_v3fl(), MEM_callocN(), MEM_freeN(), negate_v3(), NULL, occ_face(), occ_lookup(), occ_sum_occlusion(), OcclusionTree::occlusion, OcclusionTree::root, Render::tbh, Render::test_break, and OcclusionTree::totface.

Referenced by make_occ_tree().

static void occ_face	(	const OccFace *	face,
		float	co[3],
		float	normal[3],
		float *	area
	)		[static]

Definition at line 313 of file occlusion.c.

References area_quad_v3(), area_tri_v3(), cent_tri_v3(), VertRen::co, copy_v3_v3(), OccFace::facenr, ObjectInstanceRen::flag, ObjectInstanceRen::mat, mid_v3_v3v3(), mul_m3_v3(), mul_m4_v3(), VlakRen::n, ObjectInstanceRen::nmat, OccFace::obi, Render::objectinstance, ObjectInstanceRen::obr, R_TRANSFORMED, RE_findOrAddVlak(), VlakRen::v1, VlakRen::v2, VlakRen::v3, and VlakRen::v4.

Referenced by occ_build_dco(), occ_compute_bounces(), occ_compute_passes(), occ_lookup(), occ_node_from_face(), occ_sum_occlusion(), and occ_tree_build().

static int occ_find_bbox_axis	(	OcclusionTree *	tree,
		int	begin,
		int	end,
		float *	min,
		float *	max
	)		[static]

Definition at line 399 of file occlusion.c.

References OcclusionTree::co, DO_MINMAX, INIT_MINMAX, and len().

Referenced by occ_build_split().

static float occ_form_factor	(	OccFace *	face,
		float *	p,
		float *	n
	)		[static]

Definition at line 1167 of file occlusion.c.

References VertRen::co, copy_v3_v3(), OccFace::facenr, ObjectInstanceRen::flag, ObjectInstanceRen::mat, mul_m4_v3(), OccFace::obi, Render::objectinstance, ObjectInstanceRen::obr, occ_quad_form_factor(), occ_visible_quad(), R_TRANSFORMED, RE_findOrAddVlak(), VlakRen::v1, VlakRen::v2, VlakRen::v3, and VlakRen::v4.

Referenced by occ_lookup().

static void occ_free_tree

(

OcclusionTree *

tree

)

[static]

Definition at line 729 of file occlusion.c.

References OcclusionTree::arena, BLENDER_MAX_THREADS, BLI_memarena_free(), OcclusionTree::cache, OcclusionTree::face, MEM_freeN(), OcclusionTree::occlusion, OcclusionTree::rad, and OcclusionTree::stack.

Referenced by free_occ().

static void occ_lookup	(	OcclusionTree *	tree,
		int	thread,
		OccFace *	exclude,
		float *	pp,
		float *	pn,
		float *	occ,
		float	rad[3],
		float	bentn[3]
	)		[static]

Definition at line 1201 of file occlusion.c.

References OccNode::area, OccNode::child, OccNode::childflag, OccNode::co, co, copy_v3_v3(), OccNode::dco, OcclusionTree::distfac, dot_v3v3(), credits_svn_gen::e, OcclusionTree::error, error(), OcclusionTree::face, OccNode::face, OccFace::facenr, madd_v3_v3fl(), MAX2, OccNode::node, normalize_v3(), NULL, OccFace::obi, occ_face(), occ_form_factor(), occ_solid_angle(), OcclusionTree::occlusion, OccNode::occlusion, OcclusionTree::rad, OccNode::rad, OcclusionTree::root, sqrtf, OcclusionTree::stack, stack, sub_v3_v3v3(), TOTCHILD, and zero_v3().

Referenced by occ_compute_bounces(), occ_compute_passes(), and sample_occ_tree().

static void occ_node_from_face	(	OccFace *	face,
		OccNode *	node
	)		[static]

Definition at line 421 of file occlusion.c.

References OccNode::area, OccNode::co, OccNode::dco, occ_face(), OccNode::sh, and sh_from_disc().

Referenced by occ_build_recursive().

static float occ_quad_form_factor	(	const float	p[3],
		const float	n[3],
		const float	q0[3],
		const float	q1[3],
		const float	q2[3],
		const float	q3[3]
	)		[static]

Definition at line 1131 of file occlusion.c.

References cross_v3_v3v3(), dot_v3v3(), M_PI, MAX2, normalizef(), saacosf(), and sub_v3_v3v3().

Referenced by occ_form_factor().

static void occ_shade	(	ShadeSample *	ssamp,
		ObjectInstanceRen *	obi,
		VlakRen *	vlr,
		float *	rad
	)		[static]

Definition at line 144 of file occlusion.c.

References VertRen::co, ShadeInput::co, ShadeResult::combined, copy_v3_v3(), ShadeInput::flippednor, Material::har, ShadeInput::har, madd_v3_v3fl(), ShadeInput::mat, negate_v3(), ShadeInput::nmapnorm, normalize_v3(), ObjectRen::ob, OB_NEG_SCALE, ShadeInput::obr, ShadeInput::r, Material::r, ShadeInput::samplenr, shade_input_flip_normals(), shade_input_set_normals(), shade_input_set_shade_texco(), shade_input_set_triangle_i(), shade_material_loop(), ShadeSample::shi, ShadeSample::shr, Object::transflag, ShadeInput::u, ShadeInput::v, VlakRen::v1, VlakRen::v2, VlakRen::v3, VlakRen::v4, ShadeInput::view, ShadeInput::vn, ShadeInput::vno, ShadeInput::xs, and ShadeInput::ys.

Referenced by occ_build_shade().

static float occ_solid_angle	(	OccNode *	node,
		const float	v[3],
		float	d2,
		float	invd2,
		const float	receivenormal[3]
	)		[static]

Definition at line 748 of file occlusion.c.

References OccNode::area, CLAMP(), dot_v3v3(), INVPI, OccNode::sh, and sh_eval().

Referenced by occ_lookup().

static void occ_sum_occlusion	(	OcclusionTree *	tree,
		OccNode *	node
	)		[static]

Definition at line 362 of file occlusion.c.

References OccNode::area, OccNode::child, OccNode::childflag, copy_v3_v3(), OcclusionTree::doindirect, OccNode::face, OcclusionTree::face, madd_v3_v3fl(), mul_v3_fl(), OccNode::node, occ_face(), OccNode::occlusion, OcclusionTree::occlusion, OcclusionTree::rad, OccNode::rad, TOTCHILD, and zero_v3().

Referenced by occ_compute_bounces(), occ_compute_passes(), and occ_tree_build().

static OcclusionTree* occ_tree_build

(

Render *

re

)

[static]

Definition at line 636 of file occlusion.c.

References World::ao_approx_error, World::ao_indirect_bounces, World::ao_indirect_energy, World::aodistfac, World::aomode, OcclusionTree::arena, BLENDER_MAX_THREADS, BLI_memarena_alloc(), BLI_memarena_new(), BLI_memarena_use_calloc(), OcclusionTree::cache, OcclusionTree::co, OcclusionTree::distfac, OcclusionTree::doindirect, OcclusionTree::dothreadedbuild, OcclusionTree::error, OcclusionTree::face, OccFace::facenr, ListBase::first, get_render_aosss_error(), Render::instancetable, MA_APPROX_OCCLUSION, MA_TYPE_SURFACE, VlakRen::mat, Material::material_type, OcclusionTree::maxdepth, MEM_callocN(), MEM_freeN(), ObjectInstanceRen::next, NULL, OccFace::obi, ObjectInstanceRen::obr, occ_build_recursive(), occ_build_sh_normalize(), occ_build_shade(), occ_face(), occ_sum_occlusion(), OcclusionTree::occlusion, Render::r, OcclusionTree::rad, OcclusionTree::root, Material::shade_flag, OcclusionTree::stack, RenderData::threads, OcclusionTree::totbuildthread, TOTCHILD, OcclusionTree::totface, ObjectRen::totvlak, VlakTableNode::vlak, ObjectRen::vlaknodes, WO_AOCACHE, WO_AODIST, and Render::wrld.

Referenced by make_occ_tree().

static int occ_visible_quad	(	float *	p,
		const float	n[3],
		const float	v0[3],
		const float *	v1,
		const float *	v2,
		float	q0[3],
		float	q1[3],
		float	q2[3],
		float	q3[3]
	)		[static]

Definition at line 772 of file occlusion.c.

References copy_v3_v3(), dot_v3v3(), credits_svn_gen::e, KDL::epsilon, fabsf, and VecAddDir().

Referenced by occ_form_factor().

void sample_occ	(	Render *	re,
		ShadeInput *	shi
	)

Definition at line 1753 of file occlusion.c.

References OcclusionCacheSample::ao, ShadeInput::ao, OcclusionTree::cache, OcclusionCacheSample::co, ShadeInput::co, copy_v3_v3(), ShadeInput::depth, OcclusionCacheSample::dist2, dot_v3v3(), ShadeInput::dxco, ShadeInput::dyco, OcclusionCacheSample::env, ShadeInput::env, OccFace::facenr, OcclusionCacheSample::filled, VlakRen::index, OcclusionCacheSample::indirect, ShadeInput::indirect, OcclusionCacheSample::intensity, MA_ONLYSHADOW, ShadeInput::mat, MAX2, MAX3(), Material::mode, OcclusionCacheSample::n, ShadeInput::obi, OccFace::obi, Render::objectinstance, Render::occlusiontree, OcclusionCache::sample, sample_occ_cache(), sample_occ_surface(), sample_occ_tree(), OcclusionCache::step, ShadeInput::strand, ShadeInput::thread, ShadeInput::vlr, ShadeInput::vno, OcclusionCache::w, OcclusionCache::x, ShadeInput::xs, OcclusionCache::y, and ShadeInput::ys.

Referenced by ambient_occlusion().

static int sample_occ_cache	(	OcclusionTree *	tree,
		float *	co,
		float *	n,
		int	x,
		int	y,
		int	thread,
		float *	ao,
		float *	env,
		float *	indirect
	)		[static]

Definition at line 1470 of file occlusion.c.

References OcclusionCacheSample::ao, OcclusionTree::cache, OcclusionCacheSample::co, copy_v3_v3(), simple_enum_gen::d, dot_v3v3(), OcclusionCacheSample::env, OcclusionCacheSample::filled, find_occ_sample(), i, OcclusionCacheSample::indirect, madd_v3_v3fl(), MAX4, MIN4, mul_v3_fl(), OcclusionCacheSample::n, pow(), OcclusionCache::sample, OcclusionCache::step, sub_v3_v3v3(), simple_enum_gen::w, OcclusionCache::w, OcclusionCache::x, OcclusionCacheSample::x, OcclusionCache::y, OcclusionCacheSample::y, and zero_v3().

Referenced by sample_occ().

static void sample_occ_surface

(

ShadeInput *

shi

)

[static]

Definition at line 1562 of file occlusion.c.

References ShadeInput::ao, StrandSurface::ao, StrandRen::buffer, StrandVert::co, StrandSurface::co, StrandSurface::env, ShadeInput::env, StrandSurface::face, StrandSurface::indirect, ShadeInput::indirect, interp_weights_face_v3(), madd_v3_v3fl(), NULL, ShadeInput::obr, RE_strandren_get_face(), ShadeInput::strand, StrandBuffer::surface, StrandRen::vert, simple_enum_gen::w, and zero_v3().

Referenced by sample_occ().

static void sample_occ_tree	(	Render *	re,
		OcclusionTree *	tree,
		OccFace *	exclude,
		float *	co,
		float *	n,
		int	thread,
		int	onlyshadow,
		float *	ao,
		float *	env,
		float *	indirect
	)		[static]

Definition at line 1393 of file occlusion.c.

References World::ao_approx_correction, World::aocolor, CLAMP(), copy_v3_v3(), OcclusionTree::doindirect, ELEM, KDL::exp(), Render::grvec, World::horb, World::horg, World::horr, mul_v3_fl(), negate_v3_v3(), NULL, occ_lookup(), shadeSkyView(), WO_AOPLAIN, WO_AOSKYCOL, WO_AOSKYTEX, Render::wrld, World::zenb, World::zeng, World::zenr, and zero_v3().

Referenced by cache_occ_samples(), exec_strandsurface_sample(), and sample_occ().

static void sh_add	(	float *	shresult,
		float *	sh1,
		float *	sh2
	)		[static]

Definition at line 255 of file occlusion.c.

References i.

Referenced by occ_build_recursive().

static void sh_copy	(	float *	shresult,
		float *	sh
	)		[static]

Definition at line 242 of file occlusion.c.

Referenced by sh_from_disc().

static float sh_eval	(	float *	sh,
		float *	v
	)		[static]

Definition at line 289 of file occlusion.c.

References sum().

Referenced by occ_solid_angle().

static void sh_from_disc	(	float *	n,
		float	area,
		float *	shresult
	)		[static]

Definition at line 263 of file occlusion.c.

References sh_copy(), and sh_mul().

Referenced by occ_node_from_face().

static void sh_mul	(	float *	sh,
		float	f
	)		[static]

Definition at line 247 of file occlusion.c.

References i.

Referenced by occ_build_sh_normalize(), and sh_from_disc().

static void VecAddDir	(	float	result[3],
		const float	v1[3],
		const float	v2[3],
		const float	fac
	)		[static]

Definition at line 765 of file occlusion.c.

Referenced by occ_visible_quad().

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Variable Documentation

Render R

Definition at line 127 of file pipeline.c.