Blender  V2.59
Classes | Defines | Typedefs | Functions | Variables
occlusion.c File Reference
Rendering
#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, float *v, float d2, float invd2, float *receivenormal)
static void VecAddDir (float *result, float *v1, float *v2, float fac)
static int occ_visible_quad (float *p, float *n, float *v0, float *v1, float *v2, float *q0, float *q1, float *q2, float *q3)
static void normalizef (float *n)
static float occ_quad_form_factor (float *p, float *n, float *q0, float *q1, float *q2, float *q3)
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 70 of file occlusion.c.

Referenced by cache_occ_samples().

#define INVALID_INDEX   ((int)(~0))

Definition at line 67 of file occlusion.c.

#define INVPI   0.31830988618379069f

Definition at line 68 of file occlusion.c.

Referenced by occ_solid_angle().

#define TOTCHILD   8

Definition at line 69 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 1809 of file occlusion.c.

References OcclusionCacheSample::ao, ShadeInput::ao, OcclusionTree::cache, CACHE_STEP, OcclusionCacheSample::co, ShadeInput::co, RenderPart::disprect, OcclusionCacheSample::dist2, ShadeInput::dxco, ShadeInput::dyco, OcclusionCacheSample::env, ShadeInput::env, PixStr::facenr, OccFace::facenr, OcclusionCacheSample::filled, OcclusionCache::h, VlakRen::index, OcclusionCacheSample::indirect, ShadeInput::indirect, INPR, OcclusionCacheSample::intensity, MA_ONLYSHADOW, PixStr::mask, ShadeInput::mat, MAX2, MAX3(), MEM_callocN(), Material::mode, OcclusionCacheSample::n, PixStr::next, NULL, PixStr::obi, OccFace::obi, ShadeInput::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, Render::tbh, Render::test_break, RenderPart::thread, ShadeInput::thread, VECCOPY, 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 519 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 1610 of file occlusion.c.

References OcclusionThread::begin, cent_tri_v3(), StrandSurface::co, co, StrandSurface::face, OcclusionThread::faceao, OcclusionThread::faceenv, OcclusionThread::faceindirect, interp_v3_v3v3(), OcclusionThread::mesh, negate_v3(), normal_quad_v3(), normal_tri_v3(), NULL, Render::occlusiontree, OcclusionThread::re, sample_occ_tree(), OcclusionThread::thread, and VECCOPY.

Referenced by make_occ_tree().

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

Definition at line 1455 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 1746 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 1895 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 1645 of file occlusion.c.

References 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, 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, threads, RenderData::threads, StrandSurface::totface, StrandSurface::totvert, VECADD, VECCOPY, WO_INDIRECT_LIGHT, and Render::wrld.

Referenced by RE_Database_Baking(), and RE_Database_FromScene().

static void normalizef ( float *  n) [static]

Definition at line 1117 of file occlusion.c.

References simple_enum_gen::d, F, INPR, 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 484 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 431 of file occlusion.c.

References OccNode::child, OccNode::childflag, OccNode::co, simple_enum_gen::d, OccNode::face, OcclusionTree::face, INPR, OccNode::node, NULL, occ_face(), TOTCHILD, VECCOPY, and VECSUB.

Referenced by occ_build_recursive().

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

Definition at line 528 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, 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, OcclusionBuildThread::tree, and VECADDFAC.

Referenced by exec_occ_build(), and occ_tree_build().

static void occ_build_sh_normalize ( OccNode *  node) [static]

Definition at line 621 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 212 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 456 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 1320 of file occlusion.c.

References add_v3_v3(), co, 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 1361 of file occlusion.c.

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

Referenced by make_occ_tree().

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

Definition at line 314 of file occlusion.c.

References area_quad_v3(), area_tri_v3(), cent_tri_v3(), VertRen::co, OccFace::facenr, ObjectInstanceRen::flag, interp_v3_v3v3(), ObjectInstanceRen::mat, 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, VlakRen::v4, and VECCOPY.

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 400 of file occlusion.c.

References OcclusionTree::co, DO_MINMAX, and INIT_MINMAX.

Referenced by occ_build_split().

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

Definition at line 1168 of file occlusion.c.

References VertRen::co, 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, VlakRen::v4, and VECCOPY.

Referenced by occ_lookup().

static void occ_free_tree ( OcclusionTree *  tree) [static]

Definition at line 730 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 1202 of file occlusion.c.

References OccNode::area, OccNode::child, OccNode::childflag, OccNode::co, co, copy_v3_v3(), OccNode::dco, OcclusionTree::distfac, error(), OcclusionTree::error, OccNode::face, OcclusionTree::face, OccFace::facenr, INPR, madd_v3_v3fl(), MAX2, OccNode::node, normalize_v3(), NULL, OccFace::obi, occ_face(), occ_form_factor(), occ_solid_angle(), OccNode::occlusion, OcclusionTree::occlusion, OccNode::rad, OcclusionTree::rad, OcclusionTree::root, sqrtf, stack, OcclusionTree::stack, TOTCHILD, VECADDFAC, VECCOPY, VECSUB, 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 422 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 ( float *  p,
float *  n,
float *  q0,
float *  q1,
float *  q2,
float *  q3 
) [static]

Definition at line 1132 of file occlusion.c.

References cross_v3_v3v3(), INPR, M_PI, MAX2, normalizef(), saacosf(), and VECSUB.

Referenced by occ_form_factor().

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

Definition at line 145 of file occlusion.c.

References ShadeInput::co, VertRen::co, ShadeResult::combined, ShadeInput::flippednor, Material::har, ShadeInput::har, madd_v3_v3fl(), ShadeInput::mat, negate_v3(), ShadeInput::nmapnorm, normalize_v3(), ObjectRen::ob, OB_NEG_SCALE, ShadeInput::obr, Material::r, ShadeInput::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, VECCOPY, ShadeInput::view, ShadeInput::vn, ShadeInput::vno, ShadeInput::xs, and ShadeInput::ys.

Referenced by occ_build_shade().

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

Definition at line 749 of file occlusion.c.

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

Referenced by occ_lookup().

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

Definition at line 363 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, OccNode::rad, OcclusionTree::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 637 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,
float *  n,
float *  v0,
float *  v1,
float *  v2,
float *  q0,
float *  q1,
float *  q2,
float *  q3 
) [static]

Definition at line 773 of file occlusion.c.

References KDL::epsilon, fabsf, INPR, VecAddDir(), and VECCOPY.

Referenced by occ_form_factor().

void sample_occ ( Render *  re,
ShadeInput *  shi 
)

Definition at line 1754 of file occlusion.c.

References OcclusionCacheSample::ao, ShadeInput::ao, OcclusionTree::cache, OcclusionCacheSample::co, ShadeInput::co, ShadeInput::depth, OcclusionCacheSample::dist2, ShadeInput::dxco, ShadeInput::dyco, OcclusionCacheSample::env, ShadeInput::env, OccFace::facenr, OcclusionCacheSample::filled, VlakRen::index, OcclusionCacheSample::indirect, ShadeInput::indirect, INPR, OcclusionCacheSample::intensity, MA_ONLYSHADOW, ShadeInput::mat, MAX2, MAX3(), Material::mode, OcclusionCacheSample::n, OccFace::obi, ShadeInput::obi, Render::objectinstance, Render::occlusiontree, OcclusionCache::sample, sample_occ_cache(), sample_occ_surface(), sample_occ_tree(), OcclusionCache::step, ShadeInput::strand, ShadeInput::thread, VECCOPY, 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 1471 of file occlusion.c.

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

Referenced by sample_occ().

static void sample_occ_surface ( ShadeInput *  shi) [static]

Definition at line 1563 of file occlusion.c.

References ShadeInput::ao, StrandSurface::ao, StrandRen::buffer, StrandVert::co, StrandSurface::co, ShadeInput::env, StrandSurface::env, StrandSurface::face, ShadeInput::indirect, StrandSurface::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 1394 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 256 of file occlusion.c.

References i.

Referenced by occ_build_recursive().

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

Definition at line 243 of file occlusion.c.

Referenced by sh_from_disc().

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

Definition at line 290 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 264 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 248 of file occlusion.c.

References i.

Referenced by occ_build_sh_normalize(), and sh_from_disc().

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

Definition at line 766 of file occlusion.c.

Referenced by occ_visible_quad().

Variable Documentation

Render R

Definition at line 127 of file pipeline.c.

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