#include <math.h>
#include <string.h>
#include "MEM_guardedalloc.h"
#include "DNA_group_types.h"
#include "DNA_lamp_types.h"
#include "DNA_material_types.h"
#include "BKE_global.h"
#include "BKE_scene.h"
#include "BLI_math.h"
#include "BLI_blenlib.h"
#include "BLI_jitter.h"
#include "BLI_memarena.h"
#include "BLI_rand.h"
#include "BLI_utildefines.h"
#include "PIL_time.h"
#include "renderpipeline.h"
#include "render_types.h"
#include "renderdatabase.h"
#include "rendercore.h"
#include "shadbuf.h"
#include "shading.h"
#include "zbuf.h"

Classes
struct	Boxf
struct	ISBBranch
struct	BSPFace
Defines
#define	RCOMP 0
#define	GCOMP 1
#define	BCOMP 2
#define	ACOMP 3
#define	BSPMAX_SAMPLE 128
#define	BSPMAX_DEPTH 32
Typedefs
typedef struct Boxf	Boxf
typedef struct ISBBranch	ISBBranch
typedef struct BSPFace	BSPFace
Functions
static void	copy_to_ztile (int rectz, int size, int x1, int y1, int tile, char r1)
static float *	give_jitter_tab (int samp)
static void	make_jitter_weight_tab (Render re, ShadBuf shb, short filtertype)
static int	verg_deepsample (const void poin1, const void poin2)
static int	compress_deepsamples (DeepSample *dsample, int tot, float epsilon)
static float	deep_alpha (Render *re, int obinr, int facenr, int strand)
static void	compress_deepshadowbuf (Render re, ShadBuf shb, APixstr apixbuf, APixstrand apixbufstrand)
static void	compress_shadowbuf (ShadBuf shb, int rectz, int square)
static void	shadowbuf_autoclip (Render re, LampRen lar)
static void	makeflatshadowbuf (Render re, LampRen lar, float *jitbuf)
static void	makedeepshadowbuf (Render re, LampRen lar, float *jitbuf)
void	makeshadowbuf (Render re, LampRen lar)
static void *	do_shadow_thread (void *re_v)
static int	thread_break (void *UNUSED(arg))
void	threaded_makeshadowbufs (Render *re)
void	freeshadowbuf (LampRen *lar)
static int	firstreadshadbuf (ShadBuf shb, ShadSampleBuf shsample, int **rz, int xs, int ys, int nr)
static float	readdeepvisibility (DeepSample dsample, int tot, int z, int bias, float biast)
static float	readdeepshadowbuf (ShadBuf shb, ShadSampleBuf shsample, int bias, int xs, int ys, int zs)
static float	readshadowbuf (ShadBuf shb, ShadSampleBuf shsample, int bias, int xs, int ys, int zs)
static void	shadowbuf_project_co (float x, float y, float z, ShadBuf shb, const float co[3])
float	testshadowbuf (Render re, ShadBuf shb, const float co[3], const float dxco[3], const float dyco[3], float inp, float mat_bias)
static float	readshadowbuf_halo (ShadBuf shb, ShadSampleBuf shsample, int xs, int ys, int zs)
float	shadow_halo (LampRen *lar, const float p1[3], const float p2[3])
static void	init_box (Boxf *box)
static void	bound_boxf (Boxf *box, const float v1[3])
static void	bound_rectf (rctf *box, const float v1[2])
static void	isb_bsp_split_init (ISBBranch root, MemArena mem, int level)
static void	isb_bsp_split (ISBBranch root, MemArena mem)
static int	isb_bsp_insert (ISBBranch root, MemArena memarena, ISBSample *sample)
static void	bspface_init_strand (BSPFace *face)
static int	point_behind_strand (const float p[3], BSPFace *face)
static int	point_behind_tria2d (const float p[3], const float v1[3], const float v2[3], const float v3[3])
static void	isb_bsp_face_inside (ISBBranch bspn, BSPFace face)
static void	isb_bsp_recalc_box (ISBBranch *root)
static void	isb_bsp_test_strand (ZSpan zspan, int obi, int zvlnr, float v1, float v2, float v3, float *v4)
static void	isb_bsp_test_face (ZSpan zspan, int obi, int zvlnr, float v1, float v2, float v3, float *v4)
static int	testclip_minmax (const float ho[4], const float minmax[4])
static void	isb_bsp_fillfaces (Render re, LampRen lar, ISBBranch *root)
static int	viewpixel_to_lampbuf (ShadBuf shb, ObjectInstanceRen obi, VlakRen *vlr, float x, float y, float co_r[3])
static void	isb_add_shadfac (ISBShadfacA *isbsapp, MemArena mem, int obi, int facenr, short shadfac, short samples)
static int	isb_add_samples (RenderPart pa, ISBBranch root, MemArena memarena, ISBSample *samplebuf)
static void	isb_make_buffer (RenderPart pa, LampRen lar)
static ISBSampleA *	isb_alloc_sample_transp (ISBSampleA *isbsa, MemArena mem)
static int	isb_add_samples_transp (RenderPart pa, ISBBranch root, MemArena memarena, ISBSampleA **samplebuf)
static void	isb_make_buffer_transp (RenderPart pa, APixstr apixbuf, LampRen *lar)
float	ISB_getshadow (ShadeInput shi, ShadBuf shb)
void	ISB_create (RenderPart pa, APixstr apixbuf)
void	ISB_free (RenderPart *pa)
Variables
struct Render	R
static volatile int	g_break = 0

Detailed Description

Definition in file shadbuf.c.

Define Documentation

#define ACOMP 3

Definition at line 73 of file shadbuf.c.

Referenced by compress_shadowbuf(), readshadowbuf(), and readshadowbuf_halo().

#define BCOMP 2

Definition at line 72 of file shadbuf.c.

Referenced by compress_shadowbuf(), readshadowbuf(), and readshadowbuf_halo().

#define BSPMAX_DEPTH 32

Definition at line 1430 of file shadbuf.c.

Referenced by isb_bsp_insert().

#define BSPMAX_SAMPLE 128

Definition at line 1429 of file shadbuf.c.

Referenced by isb_bsp_insert(), isb_bsp_split(), and isb_bsp_split_init().

#define GCOMP 1

Definition at line 71 of file shadbuf.c.

Referenced by compress_shadowbuf(), readshadowbuf(), and readshadowbuf_halo().

#define RCOMP 0

Definition at line 70 of file shadbuf.c.

Typedef Documentation

typedef struct Boxf Boxf

typedef struct BSPFace BSPFace

typedef struct ISBBranch ISBBranch

Function Documentation

static void bound_boxf	(	Boxf *	box,
		const float	v1[3]
	)		`[static]`

Definition at line 1472 of file shadbuf.c.

References Boxf::xmax, Boxf::xmin, Boxf::ymax, Boxf::ymin, Boxf::zmax, and Boxf::zmin.

Referenced by isb_bsp_recalc_box(), isb_bsp_test_face(), and isb_bsp_test_strand().

static void bound_rectf	(	rctf *	box,
		const float	v1[2]
	)		`[static]`

Definition at line 1483 of file shadbuf.c.

References rctf::xmax, rctf::xmin, rctf::ymax, and rctf::ymin.

Referenced by isb_make_buffer(), and isb_make_buffer_transp().

static void bspface_init_strand ( BSPFace * face ) [static]

Definition at line 1643 of file shadbuf.c.

References copy_v3_v3(), BSPFace::len, len_v2v2(), mid_v3_v3v3(), BSPFace::radline, BSPFace::radline_end, BSPFace::rc, sqrt(), BSPFace::v1, BSPFace::v2, BSPFace::v3, BSPFace::v4, BSPFace::vec1, and BSPFace::vec2.

Referenced by isb_bsp_test_strand().

static int compress_deepsamples	(	DeepSample *	dsample,
		int	tot,
		float	epsilon
	)		`[static]`

Definition at line 185 of file shadbuf.c.

References div, KDL::epsilon, fabs(), max, MAX2, min, MIN2, DeepSample::v, and DeepSample::z.

Referenced by compress_deepshadowbuf().

static void compress_deepshadowbuf	(	Render *	re,
		ShadBuf *	shb,
		APixstr *	apixbuf,
		APixstrand *	apixbufstrand
	)		`[static]`

Definition at line 303 of file shadbuf.c.

References BLI_addtail(), ShadBuf::buffers, compress_deepsamples(), ShadBuf::compressthresh, deep_alpha(), ShadSampleBuf::deepbuf, APixstrand::mask, APixstr::mask, MEM_callocN(), MEM_freeN(), MEM_mallocN(), APixstrand::next, APixstr::next, NULL, APixstrand::obi, APixstr::obi, APixstrand::p, APixstr::p, RE_MAX_OSA, ShadBuf::size, size(), ShadSampleBuf::totbuf, ShadBuf::totbuf, DeepSample::v, verg_deepsample(), APixstrand::z, APixstr::z, and DeepSample::z.

Referenced by makedeepshadowbuf().

static void compress_shadowbuf	(	ShadBuf *	shb,
		int *	rectz,
		int	square
	)		`[static]`

Definition at line 502 of file shadbuf.c.

References ACOMP, BCOMP, BLI_addtail(), ShadBuf::buffers, ShadSampleBuf::cbuf, copy_to_ztile(), GCOMP, MEM_callocN(), MEM_freeN(), MEM_mallocN(), ShadBuf::size, size(), sqrt(), and ShadSampleBuf::zbuf.

Referenced by makeflatshadowbuf().

static void copy_to_ztile	(	int *	rectz,
		int	size,
		int	x1,
		int	y1,
		int	tile,
		char *	r1
	)		`[static]`

Definition at line 88 of file shadbuf.c.

References size().

Referenced by compress_shadowbuf().

static float deep_alpha	(	Render *	re,
		int	obinr,
		int	facenr,
		int	strand
	)		`[static]`

Definition at line 286 of file shadbuf.c.

References StrandRen::buffer, StrandBuffer::ma, VlakRen::mat, Render::objectinstance, ObjectInstanceRen::obr, RE_findOrAddStrand(), RE_findOrAddVlak(), RE_QUAD_MASK, and Material::shad_alpha.

Referenced by compress_deepshadowbuf().

static void* do_shadow_thread ( void * re_v ) [static]

Definition at line 807 of file shadbuf.c.

References BLI_lock_thread(), BLI_unlock_thread(), ListBase::first, Render::lampren, LOCK_CUSTOM1, makeshadowbuf(), LampRen::next, NULL, LampRen::shb, Render::tbh, Render::test_break, LampRen::thread_assigned, and LampRen::thread_ready.

Referenced by threaded_makeshadowbufs().

static int firstreadshadbuf	(	ShadBuf *	shb,
		ShadSampleBuf *	shsample,
		int **	rz,
		int	xs,
		int	ys,
		int	nr
	)		`[static]`

Definition at line 943 of file shadbuf.c.

References ShadSampleBuf::cbuf, ShadSampleBuf::deepbuf, ShadBuf::size, and ShadSampleBuf::zbuf.

Referenced by testshadowbuf().

void freeshadowbuf ( LampRen * lar )

Definition at line 904 of file shadbuf.c.

References BLI_freelistN(), ShadBuf::buffers, ShadSampleBuf::cbuf, ShadSampleBuf::deepbuf, ListBase::first, MEM_freeN(), ShadSampleBuf::next, NULL, LampRen::shb, ShadBuf::size, ShadSampleBuf::totbuf, ShadBuf::weight, and ShadSampleBuf::zbuf.

Referenced by RE_Database_Free().

static float* give_jitter_tab ( int samp ) [static]

Definition at line 125 of file shadbuf.c.

References BLI_initjit(), and jit.

Referenced by makeshadowbuf().

static void init_box ( Boxf * box ) [static]

Definition at line 1461 of file shadbuf.c.

References Boxf::xmax, Boxf::xmin, Boxf::ymax, Boxf::ymin, Boxf::zmax, and Boxf::zmin.

Referenced by isb_bsp_recalc_box(), isb_bsp_test_face(), and isb_bsp_test_strand().

static int isb_add_samples	(	RenderPart *	pa,
		ISBBranch *	root,
		MemArena *	memarena,
		ISBSample **	samplebuf
	)		`[static]`

Definition at line 2154 of file shadbuf.c.

References BLI_array_randomize(), isb_bsp_insert(), MEM_freeN(), MEM_mallocN(), R, RenderPart::rectx, and RenderPart::recty.

Referenced by isb_make_buffer().

static int isb_add_samples_transp	(	RenderPart *	pa,
		ISBBranch *	root,
		MemArena *	memarena,
		ISBSampleA ***	samplebuf
	)		`[static]`

Definition at line 2358 of file shadbuf.c.

References BLI_array_randomize(), isb_bsp_insert(), MEM_freeN(), MEM_mallocN(), R, RenderPart::rectx, and RenderPart::recty.

Referenced by isb_make_buffer_transp().

static void isb_add_shadfac	(	ISBShadfacA **	isbsapp,
		MemArena *	mem,
		int	obi,
		int	facenr,
		short	shadfac,
		short	samples
	)		`[static]`

Definition at line 2130 of file shadbuf.c.

References BLI_memarena_alloc(), NULL, R, and RE_QUAD_OFFS.

Referenced by isb_make_buffer(), and isb_make_buffer_transp().

static ISBSampleA* isb_alloc_sample_transp	(	ISBSampleA **	isbsa,
		MemArena *	mem
	)		`[static]`

Definition at line 2343 of file shadbuf.c.

References BLI_memarena_alloc(), and NULL.

Referenced by isb_make_buffer_transp().

static void isb_bsp_face_inside	(	ISBBranch *	bspn,
		BSPFace *	face
	)		`[static]`

Definition at line 1781 of file shadbuf.c.

References BLI_in_rctf(), BLI_isect_rctf(), ISBBranch::box, BSPFace::box, ISBBranch::divider, BSPFace::facenr, ISBSample::facenr, ISBBranch::full, ISBBranch::index, BSPFace::is_full, ISBBranch::left, NULL, BSPFace::obi, ISBSample::obi, point_behind_strand(), point_behind_tria2d(), ISBBranch::right, ISBBranch::samples, BSPFace::shad_alpha, ISBSample::shadfac, ISBBranch::totsamp, BSPFace::type, BSPFace::v1, BSPFace::v2, BSPFace::v3, BSPFace::v4, Boxf::xmax, Boxf::xmin, Boxf::ymax, Boxf::ymin, ISBSample::zco, Boxf::zmax, and Boxf::zmin.

Referenced by isb_bsp_test_face(), and isb_bsp_test_strand().

static void isb_bsp_fillfaces	(	Render *	re,
		LampRen *	lar,
		ISBBranch *	root
	)		`[static]`

Definition at line 1946 of file shadbuf.c.

References ISBBranch::box, Render::clipcrop, VertRen::co, copy_m4_m4(), VlakRen::ec, ListBase::first, VlakRen::flag, ObjectInstanceRen::flag, i, Render::instancetable, isb_bsp_recalc_box(), isb_bsp_test_face(), isb_bsp_test_strand(), LA_LAYER, LA_LAYER_SHADOW, ObjectInstanceRen::lay, LampRen::lay, MA_SHADBUF, MA_TYPE_WIRE, VlakRen::mat, ObjectInstanceRen::mat, Material::material_type, Material::mode, LampRen::mode, mult_m4_m4m4(), ObjectInstanceRen::next, NULL, ObjectInstanceRen::obr, ShadBuf::persmat, projectvert(), R_STRAND, R_TRANSFORMED, ZSpan::rectz, Material::shad_alpha, ZSpan::shad_alpha, LampRen::shb, ShadBuf::size, size(), testclip(), testclip_minmax(), ObjectRen::totvlak, VlakRen::v1, VlakRen::v2, VlakRen::v3, VlakRen::v4, VlakTableNode::vlak, ObjectRen::vlaknodes, Boxf::xmax, Boxf::xmin, Boxf::ymax, Boxf::ymin, zbuf_alloc_span(), zbuf_free_span(), zbufclip(), zbufclip4(), zbufclipwire(), ZSpan::zbuffunc, ZSpan::zmulx, ZSpan::zmuly, ZSpan::zofsx, and ZSpan::zofsy.

Referenced by isb_make_buffer(), and isb_make_buffer_transp().

static int isb_bsp_insert	(	ISBBranch *	root,
		MemArena *	memarena,
		ISBSample *	sample
	)		`[static]`

Definition at line 1603 of file shadbuf.c.

References BSPMAX_DEPTH, BSPMAX_SAMPLE, ISBBranch::divider, i, ISBBranch::index, isb_bsp_split(), ISBBranch::left, ISBBranch::right, MakeCursor::root, ISBBranch::samples, ISBBranch::totsamp, and ISBSample::zco.

Referenced by isb_add_samples(), and isb_add_samples_transp().

static void isb_bsp_recalc_box ( ISBBranch * root ) [static]

Definition at line 1852 of file shadbuf.c.

References bound_boxf(), ISBBranch::box, init_box(), ISBBranch::left, ISBBranch::right, ISBBranch::samples, ISBBranch::totsamp, and ISBSample::zco.

Referenced by isb_bsp_fillfaces().

static void isb_bsp_split	(	ISBBranch *	root,
		MemArena *	mem
	)		`[static]`

Definition at line 1535 of file shadbuf.c.

References BLI_memarena_alloc(), ISBBranch::box, BSPMAX_SAMPLE, ISBBranch::divider, i, ISBBranch::index, ISBBranch::left, left(), NULL, ISBBranch::right, ISBBranch::samples, ISBBranch::totsamp, Boxf::xmax, Boxf::xmin, Boxf::ymax, Boxf::ymin, and ISBSample::zco.

Referenced by isb_bsp_insert().

static void isb_bsp_split_init	(	ISBBranch *	root,
		MemArena *	mem,
		int	level
	)		`[static]`

Definition at line 1493 of file shadbuf.c.

References BLI_memarena_alloc(), ISBBranch::box, BSPMAX_SAMPLE, ISBBranch::divider, i, ISBBranch::index, ISBBranch::left, left(), ISBBranch::right, ISBBranch::samples, Boxf::xmax, Boxf::xmin, Boxf::ymax, and Boxf::ymin.

Referenced by isb_make_buffer(), and isb_make_buffer_transp().

static void isb_bsp_test_face	(	ZSpan *	zspan,
		int	obi,
		int	zvlnr,
		float *	v1,
		float *	v2,
		float *	v3,
		float *	v4
	)		`[static]`

Definition at line 1902 of file shadbuf.c.

References bound_boxf(), BSPFace::box, BSPFace::facenr, init_box(), BSPFace::is_full, isb_bsp_face_inside(), BSPFace::obi, R, RE_QUAD_OFFS, ZSpan::rectz, BSPFace::shad_alpha, ZSpan::shad_alpha, BSPFace::type, BSPFace::v1, BSPFace::v2, BSPFace::v3, and BSPFace::v4.

Referenced by isb_bsp_fillfaces().

static void isb_bsp_test_strand	(	ZSpan *	zspan,
		int	obi,
		int	zvlnr,
		float *	v1,
		float *	v2,
		float *	v3,
		float *	v4
	)		`[static]`

Definition at line 1868 of file shadbuf.c.

References bound_boxf(), BSPFace::box, bspface_init_strand(), BSPFace::facenr, init_box(), BSPFace::is_full, isb_bsp_face_inside(), BSPFace::obi, R, R_STRAND, RE_QUAD_OFFS, ZSpan::rectz, BSPFace::shad_alpha, ZSpan::shad_alpha, BSPFace::type, BSPFace::v1, BSPFace::v2, BSPFace::v3, and BSPFace::v4.

Referenced by isb_bsp_fillfaces().

void ISB_create	(	RenderPart *	pa,
		APixstr *	apixbuf
	)

Definition at line 2587 of file shadbuf.c.

References LampRen::buftype, isb_make_buffer(), isb_make_buffer_transp(), ShadBuf::isb_result, LA_SHADBUF_IRREGULAR, LA_SPOT, GroupObject::lampren, MEM_callocN(), GroupObject::next, R, LampRen::shb, RenderPart::thread, and LampRen::type.

Referenced by shadeDA_tile(), zbuffer_transp_shade(), zbufshade_sss_tile(), and zbufshade_tile().

void ISB_free ( RenderPart * pa )

Definition at line 2610 of file shadbuf.c.

References BLI_memarena_free(), LampRen::buftype, ShadBuf::isb_result, LA_SHADBUF_IRREGULAR, LA_SPOT, GroupObject::lampren, MEM_freeN(), ISBData::memarena, GroupObject::next, NULL, R, ISBData::shadfaca, ISBData::shadfacs, LampRen::shb, RenderPart::thread, and LampRen::type.

Referenced by shadeDA_tile(), zbuffer_transp_shade(), zbufshade_sss_tile(), and zbufshade_tile().

float ISB_getshadow	(	ShadeInput *	shi,
		ShadBuf *	shb
	)

Definition at line 2549 of file shadbuf.c.

References ShadeInput::depth, ShadeInput::facenr, ISBShadfacA::facenr, ShadBuf::isb_result, ISBData::minx, ISBData::miny, ISBShadfacA::next, ISBShadfacA::obi, ShadeInput::obi, R, ISBData::rectx, ISBShadfacA::shadfac, ISBData::shadfaca, ISBData::shadfacs, ShadeInput::thread, ShadeInput::xs, and ShadeInput::ys.

Referenced by lamp_get_shadow().

static void isb_make_buffer	(	RenderPart *	pa,
		LampRen *	lar
	)		`[static]`

Definition at line 2192 of file shadbuf.c.

References BLI_memarena_free(), BLI_memarena_new(), BLI_memarena_use_calloc(), bound_rectf(), ISBBranch::box, count_mask(), RenderPart::disprect, ISBSample::facenr, PixStr::facenr, isb_add_samples(), isb_add_shadfac(), isb_bsp_fillfaces(), isb_bsp_split_init(), ShadBuf::isb_result, PixStr::mask, MEM_callocN(), MEM_freeN(), ISBData::memarena, ISBData::minx, ISBData::miny, PixStr::next, NULL, ISBSample::obi, PixStr::obi, ObjectInstanceRen::obr, R, RE_findOrAddVlak(), RE_QUAD_MASK, RE_QUAD_OFFS, RenderPart::rectdaps, RenderPart::recto, RenderPart::rectp, RenderPart::rectx, ISBData::rectx, RenderPart::recty, ISBData::recty, MakeCursor::root, ISBSample::shadfac, PixStr::shadfac, ISBData::shadfaca, ISBData::shadfacs, LampRen::shb, ShadBuf::size, RenderPart::thread, viewpixel_to_lampbuf(), Boxf::xmin, rcti::xmin, Boxf::ymin, rcti::ymin, and ISBSample::zco.

Referenced by ISB_create().

static void isb_make_buffer_transp	(	RenderPart *	pa,
		APixstr *	apixbuf,
		LampRen *	lar
	)		`[static]`

Definition at line 2400 of file shadbuf.c.

References BLI_memarena_free(), BLI_memarena_new(), BLI_memarena_use_calloc(), bound_rectf(), ISBBranch::box, copy_v3_v3(), count_mask(), RenderPart::disprect, ISBSampleA::facenr, isb_add_samples_transp(), isb_add_shadfac(), isb_alloc_sample_transp(), isb_bsp_fillfaces(), isb_bsp_split_init(), ShadBuf::isb_result, APixstr::mask, MEM_callocN(), MEM_freeN(), ISBData::memarena, ISBData::minx, ISBData::miny, APixstr::next, ISBSampleA::obi, APixstr::obi, ObjectInstanceRen::obr, APixstr::p, R, RE_findOrAddVlak(), RE_QUAD_MASK, RE_QUAD_OFFS, RenderPart::rectx, ISBData::rectx, RenderPart::recty, ISBData::recty, MakeCursor::root, ISBSampleA::shadfac, APixstr::shadfac, ISBData::shadfaca, LampRen::shb, ShadBuf::size, RenderPart::thread, viewpixel_to_lampbuf(), Boxf::xmin, rcti::xmin, Boxf::ymin, rcti::ymin, and ISBSampleA::zco.

Referenced by ISB_create().

static void make_jitter_weight_tab	(	Render *	re,
		ShadBuf *	shb,
		short	filtertype
	)		`[static]`

Definition at line 150 of file shadbuf.c.

References get_render_shadow_samples(), ShadBuf::jit, jit, LA_SHADBUF_GAUSS, LA_SHADBUF_TENT, MEM_mallocN(), Render::r, R_FILTER_GAUSS, RE_filter_value(), ShadBuf::samp, sqrt(), and ShadBuf::weight.

Referenced by makeshadowbuf().

static void makedeepshadowbuf	(	Render *	re,
		LampRen *	lar,
		float *	jitbuf
	)		`[static]`

Definition at line 735 of file shadbuf.c.

References compress_deepshadowbuf(), freepsA(), MEM_callocN(), MEM_freeN(), NULL, ShadBuf::persmat, LampRen::shb, ShadBuf::size, ShadBuf::totbuf, Render::totstrand, and zbuffer_abuf_shadow().

Referenced by makeshadowbuf().

static void makeflatshadowbuf	(	Render *	re,
		LampRen *	lar,
		float *	jitbuf
	)		`[static]`

Definition at line 715 of file shadbuf.c.

References compress_shadowbuf(), LA_SQUARE, MEM_freeN(), MEM_mapallocN(), LampRen::mode, ShadBuf::persmat, Render::samples, LampRen::shb, ShadBuf::size, Render::tbh, Render::test_break, ShadBuf::totbuf, and zbuffer_shadow().

Referenced by makeshadowbuf().

void makeshadowbuf	(	struct Render *	re,
		LampRen *	lar
	)

Calculates shadowbuffers for a vector of shadow-giving lamps

Parameters:

lar	The vector of lamps

Definition at line 759 of file shadbuf.c.

References angle(), BLI_lock_thread(), BLI_unlock_thread(), LampRen::buffers, LampRen::bufflag, LampRen::buftype, ShadBuf::clipend, cos(), ShadBuf::d, ELEM3, LampRen::filtertype, get_render_shadow_samples(), give_jitter_tab(), ShadBuf::jit, LA_SHADBUF_AUTO_END, LA_SHADBUF_AUTO_START, LA_SHADBUF_DEEP, LA_SHADBUF_HALFWAY, LA_SHADBUF_IRREGULAR, LA_SHADBUF_REGULAR, LOCK_CUSTOM1, make_jitter_weight_tab(), makedeepshadowbuf(), makeflatshadowbuf(), mult_m4_m4m4(), ShadBuf::persmat, perspective_m4(), ShadBuf::pixsize, Render::r, saacos(), ShadBuf::samp, shadowbuf_autoclip(), LampRen::shb, sin(), ShadBuf::size, LampRen::spotsi, ShadBuf::totbuf, ShadBuf::viewmat, and ShadBuf::winmat.

Referenced by do_shadow_thread(), and threaded_makeshadowbufs().

static int point_behind_strand	(	const float	p[3],
		BSPFace *	face
	)		`[static]`

Definition at line 1667 of file shadbuf.c.

References BSPFace::len, BSPFace::radline_end, BSPFace::rc, sqrt(), and BSPFace::vec1.

Referenced by isb_bsp_face_inside().

static int point_behind_tria2d	(	const float	p[3],
		const float	v1[3],
		const float	v2[3],
		const float	v3[3]
	)		`[static]`

Definition at line 1708 of file shadbuf.c.

References div.

Referenced by isb_bsp_face_inside().

static float readdeepshadowbuf	(	ShadBuf *	shb,
		ShadSampleBuf *	shsample,
		int	bias,
		int	xs,
		int	ys,
		int	zs
	)		`[static]`

Definition at line 1007 of file shadbuf.c.

References ShadSampleBuf::deepbuf, readdeepvisibility(), ShadBuf::size, and ShadSampleBuf::totbuf.

Referenced by readshadowbuf().

static float readdeepvisibility	(	DeepSample *	dsample,
		int	tot,
		int	z,
		int	bias,
		float *	biast
	)		`[static]`

Definition at line 972 of file shadbuf.c.

References DeepSample::v, and DeepSample::z.

Referenced by readdeepshadowbuf().

static float readshadowbuf	(	ShadBuf *	shb,
		ShadSampleBuf *	shsample,
		int	bias,
		int	xs,
		int	ys,
		int	zs
	)		`[static]`

Definition at line 1035 of file shadbuf.c.

References ACOMP, BCOMP, ShadSampleBuf::cbuf, ShadSampleBuf::deepbuf, GCOMP, GET_INT_FROM_POINTER, readdeepshadowbuf(), ShadBuf::size, and ShadSampleBuf::zbuf.

Referenced by testshadowbuf().

static float readshadowbuf_halo	(	ShadBuf *	shb,
		ShadSampleBuf *	shsample,
		int	xs,
		int	ys,
		int	zs
	)		`[static]`

Definition at line 1222 of file shadbuf.c.

References ACOMP, BCOMP, ShadBuf::bias, ShadSampleBuf::cbuf, GCOMP, GET_INT_FROM_POINTER, ShadBuf::size, and ShadSampleBuf::zbuf.

Referenced by shadow_halo().

float shadow_halo	(	LampRen *	lar,
		const float	p1[3],
		const float	p2[3]
	)

Determines the shadow factor for lamp <lar>, between <p1> and <p2>. (Which CS?)

Definition at line 1294 of file shadbuf.c.

References ShadBuf::buffers, co, ListBase::first, MIN2, mul_m4_v4(), ShadSampleBuf::next, readshadowbuf_halo(), LampRen::sh_zfac, ShadBuf::shadhalostep, LampRen::shb, ShadBuf::size, ShadBuf::totbuf, and ShadBuf::winmat.

Referenced by spothalo().

static void shadowbuf_autoclip	(	Render *	re,
		LampRen *	lar
	)		`[static]`

Definition at line 615 of file shadbuf.c.

References ShadBuf::bias, LampRen::bufflag, LampRen::clipend, ShadBuf::clipend, LampRen::clipsta, VertRen::co, copy_m4_m4(), copy_v3_v3(), ShadBuf::d, ListBase::first, ObjectInstanceRen::flag, i, VertRen::index, Render::instancetable, LA_LAYER, LA_LAYER_SHADOW, LA_SHADBUF_AUTO_END, LA_SHADBUF_AUTO_START, ObjectInstanceRen::lay, LampRen::lay, Render::lay, MA_SHADBUF, VlakRen::mat, ObjectInstanceRen::mat, MAX2, MEM_callocN(), MEM_freeN(), Material::mode, LampRen::mode, mul_m4_v3(), mult_m4_m4m4(), ObjectInstanceRen::next, ObjectRen::next, normalize_v3(), NULL, Render::objecttable, ObjectInstanceRen::obr, Render::ok, R_TRANSFORMED, RE_findOrAddVert(), LampRen::shb, LampRen::spotsi, ObjectRen::totvert, ObjectRen::totvlak, VlakRen::v1, VlakRen::v2, VlakRen::v3, VlakRen::v4, ShadBuf::viewmat, Render::viewmat, VlakTableNode::vlak, and ObjectRen::vlaknodes.

Referenced by makeshadowbuf().

static void shadowbuf_project_co	(	float *	x,
		float *	y,
		float *	z,
		ShadBuf *	shb,
		const float	co[3]
	)		`[static]`

Definition at line 1102 of file shadbuf.c.

References copy_v3_v3(), mul_m4_v4(), ShadBuf::persmat, ShadBuf::size, and size().

Referenced by testshadowbuf().

static int testclip_minmax	(	const float	ho[4],
		const float	minmax[4]
	)		`[static]`

Definition at line 1931 of file shadbuf.c.

Referenced by isb_bsp_fillfaces().

float testshadowbuf	(	struct Render *	re,
		struct ShadBuf *	shb,
		const float	rco[3],
		const float	dxco[3],
		const float	dyco[3],
		float	inp,
		float	mat_bias
	)

Determines the shadow factor for a face and lamp. There is some communication with global variables here.

Returns:: The shadow factors: 1.0 for no shadow, 0.0 for complete shadow.

Parameters:

shb	The shadowbuffer to find the shadow factor in.
inp	The inproduct between viewvector and ?

Definition at line 1118 of file shadbuf.c.

References add_v3_v3v3(), ShadBuf::bias, ShadBuf::buffers, fabs(), ListBase::first, firstreadshadbuf(), get_render_shadow_samples(), ShadBuf::jit, jit, ShadSampleBuf::next, NULL, Render::r, readshadowbuf(), ShadBuf::samp, shadowbuf_project_co(), ShadBuf::soft, ShadBuf::totbuf, and ShadBuf::weight.

Referenced by lamp_get_shadow(), render_lighting_halo(), and vol_get_shadow().

static int thread_break ( void * UNUSEDarg ) [static]

Definition at line 835 of file shadbuf.c.

References g_break.

Referenced by threaded_makeshadowbufs().

void threaded_makeshadowbufs ( Render * re )

Definition at line 840 of file shadbuf.c.

References BLI_end_threads(), BLI_init_threads(), BLI_insert_thread(), BLI_lock_thread(), BLI_unlock_thread(), do_shadow_thread(), ListBase::first, G, Render::lampren, LOCK_CUSTOM1, makeshadowbuf(), MIN2, LampRen::next, PIL_sleep_ms(), Render::r, LampRen::shb, Render::tbh, Render::test_break, test_break(), LampRen::thread_assigned, thread_break(), LampRen::thread_ready, RenderData::threads, and threads.

Referenced by RE_Database_Baking(), and RE_Database_FromScene().

static int verg_deepsample	(	const void *	poin1,
		const void *	poin2
	)		`[static]`

Definition at line 175 of file shadbuf.c.

References DeepSample::z.

Referenced by compress_deepshadowbuf().

static int viewpixel_to_lampbuf	(	ShadBuf *	shb,
		ObjectInstanceRen *	obi,
		VlakRen *	vlr,
		float	x,
		float	y,
		float	co_r[3]
	)		`[static]`

Definition at line 2060 of file shadbuf.c.

References ShadBuf::bias, calc_view_vector(), VertRen::co, copy_v3_v3(), div, fabs(), ObjectInstanceRen::flag, ObjectInstanceRen::mat, mul_m4_v3(), mul_m4_v4(), ShadBuf::persmat, R, R_ORTHO, R_TRANSFORMED, RE_vlakren_get_normal(), ShadBuf::size, and VlakRen::v1.

Referenced by isb_make_buffer(), and isb_make_buffer_transp().

Variable Documentation

volatile int g_break = 0 [static]

Definition at line 834 of file shadbuf.c.

Referenced by thread_break().

struct Render R

Definition at line 127 of file pipeline.c.

shadbuf.c File ReferenceRendering

Classes

Defines

Typedefs

Functions

Variables

Detailed Description

Define Documentation

Typedef Documentation

Function Documentation

Variable Documentation

shadbuf.c File Reference
Rendering