#include <math.h>
#include <stdlib.h>
#include <string.h>
#include <float.h>
#include "MEM_guardedalloc.h"
#include "BLI_blenlib.h"
#include "BLI_math.h"
#include "BLI_rand.h"
#include "BLI_voxel.h"
#include "BLI_utildefines.h"
#include "RE_shader_ext.h"
#include "DNA_material_types.h"
#include "DNA_group_types.h"
#include "DNA_lamp_types.h"
#include "DNA_meta_types.h"
#include "BKE_global.h"
#include "render_types.h"
#include "pixelshading.h"
#include "rayintersection.h"
#include "rayobject.h"
#include "shading.h"
#include "shadbuf.h"
#include "texture.h"
#include "volumetric.h"
#include "volume_precache.h"

Functions
BM_INLINE float	luminance (float *col)
static float	vol_get_shadow (ShadeInput shi, LampRen lar, float *co)
static int	vol_get_bounds (ShadeInput shi, float co, float vec, float hitco, Isect *isect, int intersect_type)
static void	shade_intersection (ShadeInput shi, float col, Isect *is)
static void	vol_trace_behind (ShadeInput shi, VlakRen vlr, float co, float col)
static void	vol_get_precached_scattering (Render re, ShadeInput shi, float scatter_col, float co)
static float	metadensity (Object ob, float co)
float	vol_get_density (struct ShadeInput shi, float co)
static void	vol_get_reflection_color (ShadeInput shi, float ref_col, float *co)
static void	vol_get_emission (ShadeInput shi, float emission_col, float *co)
static void	vol_get_sigma_t (ShadeInput shi, float sigma_t, float *co)
static float	vol_get_phasefunc (ShadeInput UNUSED(shi), float g, float w, float *wp)
static void	vol_get_transmittance_seg (ShadeInput shi, float tr, float stepsize, float *co, float density)
static void	vol_get_transmittance (ShadeInput shi, float tr, float co, float endco)
static void	vol_shade_one_lamp (struct ShadeInput shi, float co, LampRen lar, float lacol)
void	vol_get_scattering (ShadeInput shi, float scatter_col, float *co)
static void	volumeintegrate (struct ShadeInput shi, float col, float co, float endco)
static void	volume_trace (struct ShadeInput shi, struct ShadeResult shr, int inside_volume)
void	shade_volume_shadow (struct ShadeInput shi, struct ShadeResult shr, struct Isect *last_is)
void	shade_volume_outside (ShadeInput shi, ShadeResult shr)
void	shade_volume_inside (ShadeInput shi, ShadeResult shr)
Variables
struct Render	R

Detailed Description

Definition in file volumetric.c.

Function Documentation

BM_INLINE float luminance ( float * col )

Definition at line 73 of file volumetric.c.

Referenced by shade_volume_shadow(), vol_shade_one_lamp(), and volumeintegrate().

static float metadensity	(	Object *	ob,
		float *	co
	)		`[static]`

Definition at line 241 of file volumetric.c.

References Object::data, and Render::imat.

Referenced by vol_get_density().

static void shade_intersection	(	ShadeInput *	shi,
		float *	col,
		Isect *	is
	)		`[static]`

Definition at line 156 of file volumetric.c.

References ShadeResult::alpha, ShadeInput::camera_co, ShadeResult::combined, ShadeInput::combinedflag, copy_v3_v3(), ShadeInput::depth, ShadeInput::lay, ShadeInput::light_override, ShadeInput::mask, ShadeInput::mat_override, ShadeInput::osatex, ShadeInput::passflag, SCE_PASS_COMBINED, shade_ray(), Isect::start, ShadeInput::thread, VECCOPY, ShadeInput::volume_depth, ShadeInput::xs, and ShadeInput::ys.

Referenced by vol_trace_behind(), and volume_trace().

void shade_volume_inside	(	ShadeInput *	shi,
		ShadeResult *	shr
	)

Definition at line 801 of file volumetric.c.

References ShadeResult::alpha, CLAMP(), MatInside::ma, ShadeInput::mat, ShadeInput::obi, MatInside::obi, ShadeInput::obr, ObjectInstanceRen::obr, R, VOL_SHADE_INSIDE, and volume_trace().

Referenced by shade_material_loop().

void shade_volume_outside	(	ShadeInput *	shi,
		ShadeResult *	shr
	)

Definition at line 794 of file volumetric.c.

References VOL_SHADE_OUTSIDE, and volume_trace().

Referenced by shade_input_do_shade(), and shade_ray().

void shade_volume_shadow	(	struct ShadeInput *	shi,
		struct ShadeResult *	shr,
		struct Isect *	last_is
	)

Definition at line 744 of file volumetric.c.

References ShadeResult::alpha, ShadeInput::co, ShadeResult::combined, copy_v3_v3(), Isect::dist, Isect::face, ShadeInput::flippednor, Isect::hit, luminance(), Isect::ob, ShadeInput::obi, Isect::start, ShadeInput::view, ShadeInput::vlr, VOL_BOUNDS_DEPTH, VOL_BOUNDS_SS, vol_get_bounds(), and vol_get_transmittance().

Referenced by shade_ray().

static int vol_get_bounds	(	ShadeInput *	shi,
		float *	co,
		float *	vec,
		float *	hitco,
		Isect *	isect,
		int	intersect_type
	)		`[static]`

Definition at line 124 of file volumetric.c.

References Isect::check, Isect::dir, Isect::dist, Isect::face, FLT_MAX, Isect::last_hit, Isect::lay, Isect::mode, NULL, Isect::ob, ShadeInput::obi, Isect::orig, R, RE_CHECK_VLR_NONE, RE_RAY_MIRROR, RE_rayobject_raycast(), RE_SKIP_VLR_NEIGHBOUR, Isect::skip, Isect::start, VECCOPY, ShadeInput::vlr, and VOL_BOUNDS_DEPTH.

Referenced by shade_volume_shadow(), vol_shade_one_lamp(), and volume_trace().

float vol_get_density	(	struct ShadeInput *	shi,
		float *	co
	)

Definition at line 287 of file volumetric.c.

References VolumeSettings::density, VolumeSettings::density_scale, do_volume_tex(), MAP_DENSITY, Material::mapto_textured, ShadeInput::mat, metadensity(), NULL, ObjectRen::ob, OB_MBALL, ShadeInput::obi, ObjectInstanceRen::obr, Object::type, and Material::vol.

Referenced by vol_get_transmittance(), and volumeintegrate().

static void vol_get_emission	(	ShadeInput *	shi,
		float *	emission_col,
		float *	co
	)		`[static]`

Definition at line 328 of file volumetric.c.

References do_volume_tex(), VolumeSettings::emission, VolumeSettings::emission_col, MAP_EMISSION, MAP_EMISSION_COL, Material::mapto_textured, ShadeInput::mat, VECCOPY, and Material::vol.

Referenced by volumeintegrate().

static float vol_get_phasefunc	(	ShadeInput *	UNUSEDshi,
		float	g,
		float *	w,
		float *	wp
	)		`[static]`

Definition at line 364 of file volumetric.c.

References dot_v3v3(), g, and normalize().

Referenced by vol_shade_one_lamp().

static void vol_get_precached_scattering	(	Render *	re,
		ShadeInput *	shi,
		float *	scatter_col,
		float *	co
	)		`[static]`

Definition at line 216 of file volumetric.c.

References VolumePrecache::data_b, VolumePrecache::data_g, VolumePrecache::data_r, global_bounds_obi(), mul_v3_m4v3(), ShadeInput::obi, VolumePrecache::res, sub_v3_v3v3(), Render::viewinv, ObjectInstanceRen::volume_precache, and voxel_sample_triquadratic().

Referenced by volumeintegrate().

static void vol_get_reflection_color	(	ShadeInput *	shi,
		float *	ref_col,
		float *	co
	)		`[static]`

Definition at line 308 of file volumetric.c.

References do_volume_tex(), MAP_REFLECTION, MAP_REFLECTION_COL, MAP_SCATTERING, Material::mapto_textured, ShadeInput::mat, NULL, VolumeSettings::reflection, reflection(), VolumeSettings::reflection_col, VolumeSettings::scattering, VECCOPY, and Material::vol.

Referenced by vol_shade_one_lamp().

void vol_get_scattering	(	ShadeInput *	shi,
		float *	scatter_col,
		float *	co
	)

Definition at line 549 of file volumetric.c.

References add_v3_v3(), ListBase::first, get_lights(), GroupObject::lampren, Render::lights, GroupObject::next, and vol_shade_one_lamp().

Referenced by vol_precache_part(), and volumeintegrate().

static float vol_get_shadow	(	ShadeInput *	shi,
		LampRen *	lar,
		float *	co
	)		`[static]`

Definition at line 79 of file volumetric.c.

References Isect::check, LampRen::co, copy_v3_v3(), Isect::dir, Isect::dist, Isect::face, LA_HEMI, LA_LAYER, LA_LAYER_SHADOW, LA_SHAD_RAY, LA_SUN, Isect::last_hit, LampRen::last_hit, Isect::lay, LampRen::lay, Isect::mode, LampRen::mode, normalize_v3(), NULL, Isect::ob, Isect::orig, R, RE_CHECK_VLR_NON_SOLID_MATERIAL, RE_RAY_MIRROR, RE_rayobject_raycast(), LampRen::shb, Isect::skip, Isect::start, testshadowbuf(), ShadeInput::thread, LampRen::type, LampRen::vec, and VECSUB.

Referenced by vol_shade_one_lamp().

static void vol_get_sigma_t	(	ShadeInput *	shi,
		float *	sigma_t,
		float *	co
	)		`[static]`

Definition at line 346 of file volumetric.c.

References do_volume_tex(), MAP_SCATTERING, MAP_TRANSMISSION_COL, Material::mapto_textured, ShadeInput::mat, VolumeSettings::scattering, VolumeSettings::transmission_col, and Material::vol.

Referenced by vol_get_transmittance(), and vol_get_transmittance_seg().

static void vol_get_transmittance	(	ShadeInput *	shi,
		float *	tr,
		float *	co,
		float *	endco
	)		`[static]`

Definition at line 431 of file volumetric.c.

References add_v3_v3(), BLI_thread_frand(), simple_enum_gen::d, expf, MA_VOL_STEP_CONSTANT, ShadeInput::mat, mul_v3_fl(), normalize_v3(), p, VolumeSettings::stepsize, VolumeSettings::stepsize_type, ShadeInput::thread, Material::vol, vol_get_density(), and vol_get_sigma_t().

Referenced by shade_volume_shadow(), and vol_shade_one_lamp().

static void vol_get_transmittance_seg	(	ShadeInput *	shi,
		float *	tr,
		float	stepsize,
		float *	co,
		float	density
	)		`[static]`

Definition at line 411 of file volumetric.c.

References KDL::exp(), and vol_get_sigma_t().

Referenced by volumeintegrate().

static void vol_shade_one_lamp	(	struct ShadeInput *	shi,
		float *	co,
		LampRen *	lar,
		float *	lacol
	)		`[static]`

Definition at line 467 of file volumetric.c.

References VolumeSettings::asymmetry, LampRen::co, copy_v3_v3(), do_lamp_tex(), ELEM, ELEM3, LampRen::energy, Isect::face, Isect::hit, if(), LA_HEMI, LA_LAYER, LA_SUN, LA_TEXTURE, lamp_get_visibility(), ShadeInput::lay, ObjectInstanceRen::lay, LampRen::lay, len_v3v3(), luminance(), MA_TYPE_SURFACE, MA_VOL_RECV_EXT_SHADOW, MA_VOL_SHADE_MULTIPLE, MA_VOL_SHADE_SHADED, MA_VOL_SHADE_SHADEDPLUSMULTIPLE, MA_VOL_SHADE_SHADOWED, ShadeInput::mat, VlakRen::mat, Material::material_type, LampRen::mode, mul_v3_fl(), mul_v3_v3v3(), negate_v3(), normalize_v3(), ShadeInput::obi, ShadeInput::osatex, p, LampRen::r, VolumeSettings::shade_type, VolumeSettings::shadeflag, LampRen::type, LampRen::vec, VECCOPY, ShadeInput::view, Material::vol, VOL_BOUNDS_SS, vol_get_bounds(), vol_get_phasefunc(), vol_get_reflection_color(), vol_get_shadow(), and vol_get_transmittance().

Referenced by vol_get_scattering().

static void vol_trace_behind	(	ShadeInput *	shi,
		VlakRen *	vlr,
		float *	co,
		float *	col
	)		`[static]`

Definition at line 189 of file volumetric.c.

References Isect::check, Isect::dir, Isect::dist, Isect::face, FLT_MAX, Isect::last_hit, Isect::lay, Isect::mode, NULL, Isect::ob, ShadeInput::obi, Isect::orig, R, RE_CHECK_VLR_NONE, RE_RAY_MIRROR, RE_rayobject_raycast(), RE_SKIP_VLR_NEIGHBOUR, shade_intersection(), shadeSkyView(), shadeSunView(), Isect::skip, Isect::start, ShadeInput::thread, VECCOPY, and ShadeInput::view.

Referenced by volume_trace().

static void volume_trace	(	struct ShadeInput *	shi,
		struct ShadeResult *	shr,
		int	inside_volume
	)		`[static]`

Definition at line 650 of file volumetric.c.

References ShadeResult::alpha, ShadeInput::camera_co, ShadeInput::co, ShadeResult::combined, copy_v3_v3(), ShadeInput::depth, ShadeResult::diff, Isect::face, ShadeInput::flippednor, Isect::hit, if(), MatInside::ma, MA_TRANSP, MA_ZTRANSP, ShadeInput::mat, VlakRen::mat, Material::mode, MatInside::next, QUATCOPY, R, shade_intersection(), VECCOPY, ShadeInput::view, ShadeInput::vlr, VOL_BOUNDS_DEPTH, vol_get_bounds(), VOL_SHADE_INSIDE, VOL_SHADE_OUTSIDE, vol_trace_behind(), and volumeintegrate().

Referenced by shade_volume_inside(), and shade_volume_outside().

static void volumeintegrate	(	struct ShadeInput *	shi,
		float *	col,
		float *	co,
		float *	endco
	)		`[static]`

Definition at line 588 of file volumetric.c.

References add_v3_v3(), BLI_thread_frand(), VolumeSettings::depth_cutoff, luminance(), MA_VOL_STEP_CONSTANT, ShadeInput::mat, mul_v3_fl(), mul_v3_v3v3(), normalize_v3(), ShadeInput::obi, p, R, VolumeSettings::stepsize, VolumeSettings::stepsize_type, ShadeInput::thread, Material::vol, vol_get_density(), vol_get_emission(), vol_get_precached_scattering(), vol_get_scattering(), vol_get_transmittance_seg(), and ObjectInstanceRen::volume_precache.

Referenced by volume_trace().

Variable Documentation

struct Render R

Definition at line 127 of file pipeline.c.

Functions

Variables

Detailed Description

Function Documentation

Variable Documentation