metropolis.cpp File Reference

#include "stdafx.h"
#include "renderers/metropolis.h"
#include "renderers/samplerrenderer.h"
#include "scene.h"
#include "imageio.h"
#include "spectrum.h"
#include "camera.h"
#include "film.h"
#include "rng.h"
#include "progressreporter.h"
#include "paramset.h"
#include "parallel.h"
#include "probes.h"
#include "intersection.h"
#include "montecarlo.h"
#include "samplers/lowdiscrepancy.h"
#include "integrators/directlighting.h"

Go to the source code of this file.

Classes
struct	PathSample
struct	LightingSample
struct	MLTSample
struct	PathVertex
class	MLTTask
Functions
static void	LargeStep (RNG &rng, MLTSample *sample, int maxDepth, float x, float y, float t0, float t1, bool bidirectional)
static void	mutate (RNG &rng, float *v, float min=0.f, float max=1.f)
static void	SmallStep (RNG &rng, MLTSample *sample, int maxDepth, int x0, int x1, int y0, int y1, float t0, float t1, bool bidirectional)
static uint32_t	GeneratePath (const RayDifferential &r, const Spectrum &alpha, const Scene *scene, MemoryArena &arena, const vector< PathSample > &samples, PathVertex *path, RayDifferential *escapedRay, Spectrum *escapedAlpha)
float	I (const Spectrum &L)
MetropolisRenderer *	CreateMetropolisRenderer (const ParamSet &params, Camera *camera)

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Function Documentation

MetropolisRenderer* CreateMetropolisRenderer	(	const ParamSet &	params,
		Camera *	camera
	)

Definition at line 504 of file metropolis.cpp.

References ParamSet::FindOneBool(), ParamSet::FindOneFloat(), ParamSet::FindOneInt(), PbrtOptions, and Options::quickRender.

Referenced by RenderOptions::MakeRenderer().

static uint32_t GeneratePath	(	const RayDifferential &	r,
		const Spectrum &	alpha,
		const Scene *	scene,
		MemoryArena &	arena,
		const vector< PathSample > &	samples,
		PathVertex *	path,
		RayDifferential *	escapedRay,
		Spectrum *	escapedAlpha
	)			[static]

Definition at line 220 of file metropolis.cpp.

References AbsDot(), PathVertex::alpha, PathVertex::bsdf, BSDF_ALL, BSDF_REFLECTION, BSDF_SPECULAR, BSDF_TRANSMISSION, Ray::d, BSDF::dgShading, Intersection::GetBSDF(), Scene::Intersect(), CoefficientSpectrum< nSamples >::IsBlack(), PathVertex::isect, DifferentialGeometry::nn, PathVertex::nSpecularComponents, BSDF::NumComponents(), DifferentialGeometry::p, Intersection::rayEpsilon, BSDF::Sample_f(), PathVertex::specularBounce, PathVertex::wNext, PathVertex::wPrev, and RGBSpectrum::y().

Referenced by MetropolisRenderer::PathL().

float I

(

const Spectrum &

L

)

[inline]

Definition at line 633 of file metropolis.cpp.

References RGBSpectrum::y().

Referenced by CreateGoniometricLight(), CreatePointLight(), CreateProjectionLight(), CreateSpotLight(), MetropolisRenderer::Render(), and MLTTask::Run().

static void LargeStep	(	RNG &	rng,
		MLTSample *	sample,
		int	maxDepth,
		float	x,
		float	y,
		float	t0,
		float	t1,
		bool	bidirectional
	)			[static]

Definition at line 71 of file metropolis.cpp.

References LightingSample::bsdfSample, PathSample::bsdfSample, MLTSample::cameraPathSamples, MLTSample::cameraSample, CameraSample::imageX, CameraSample::imageY, CameraSample::lensU, CameraSample::lensV, Lerp(), MLTSample::lightingSamples, LightingSample::lightNum, MLTSample::lightNumSample, MLTSample::lightPathSamples, MLTSample::lightRaySamples, LightingSample::lightSample, RNG::RandomFloat(), PathSample::rrSample, CameraSample::time, LightSample::uComponent, BSDFSample::uComponent, BSDFSample::uDir, and LightSample::uPos.

Referenced by MetropolisRenderer::Render(), and MLTTask::Run().

static void mutate	(	RNG &	rng,
		float *	v,
		float	min = 0.f,
		float	max = 1.f
	)			[inline, static]

Definition at line 114 of file metropolis.cpp.

References Assert, and RNG::RandomFloat().

Referenced by SmallStep().

static void SmallStep	(	RNG &	rng,
		MLTSample *	sample,
		int	maxDepth,
		int	x0,
		int	x1,
		int	y0,
		int	y1,
		float	t0,
		float	t1,
		bool	bidirectional
	)			[static]

Definition at line 133 of file metropolis.cpp.

References LightingSample::bsdfSample, PathSample::bsdfSample, MLTSample::cameraPathSamples, MLTSample::cameraSample, CameraSample::imageX, CameraSample::imageY, CameraSample::lensU, CameraSample::lensV, MLTSample::lightingSamples, LightingSample::lightNum, MLTSample::lightNumSample, MLTSample::lightPathSamples, MLTSample::lightRaySamples, LightingSample::lightSample, mutate(), PathSample::rrSample, CameraSample::time, LightSample::uComponent, BSDFSample::uComponent, BSDFSample::uDir, and LightSample::uPos.

Referenced by MLTTask::Run().