metrosampler.cpp File Reference

#include "metrosampler.h"
#include "memory.h"
#include "scene.h"
#include "dynload.h"

Include dependency graph for metrosampler.cpp:

Go to the source code of this file.

Defines
#define	SAMPLE_FLOATS   7
#define	rngGet(__pos)   (modff(rngSamples[(rngBase + (__pos)) % rngN] + rngRotation[(__pos)], &rngDummy))
#define	rngGet2(__pos, __off)   (modff(rngSamples[(rngBase + (__pos) + (__off)) % rngN] + rngRotation[(__pos)], &rngDummy))
Functions
static float	mutate (const float x, const float randomValue)
static float	mutateScaled (const float x, const float randomValue, const float mini, const float maxi, const float range)
static void	initMetropolis (MetropolisSampler *sampler, const Sample *sample)
Variables
static const u_int	rngN = 8191
static const u_int	rngA = 884
static float	rngDummy
static DynamicLoader::RegisterSampler < MetropolisSampler >	r ("metropolis")

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Define Documentation

#define rngGet

(

__pos

)

(modff(rngSamples[(rngBase + (__pos)) % rngN] + rngRotation[(__pos)], &rngDummy))

Definition at line 68 of file metrosampler.cpp.

Referenced by lux::MetropolisSampler::GetLazyValues(), and lux::MetropolisSampler::GetNextSample().

#define rngGet2	(	__pos,
		__off		)	(modff(rngSamples[(rngBase + (__pos) + (__off)) % rngN] + rngRotation[(__pos)], &rngDummy))

Definition at line 69 of file metrosampler.cpp.

Referenced by lux::MetropolisSampler::GetLazyValues().

#define SAMPLE_FLOATS   7

Definition at line 33 of file metrosampler.cpp.

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Function Documentation

static void initMetropolis	(	MetropolisSampler *	sampler,
		const Sample *	sample
	)			[static]

Definition at line 110 of file metrosampler.cpp.

References lux::Sampler::contribBuffer, lux::Scene::contribPool, lux::Sample::dxD, lux::Sampler::film, lux::Sample::n1D, lux::Sample::n2D, lux::ContributionPool::Next(), lux::MetropolisSampler::normalSamples, lux::Sample::nxD, lux::MetropolisSampler::offset, lux::MetropolisSampler::rngBase, rngN, lux::MetropolisSampler::rngOffset, lux::MetropolisSampler::rngRotation, SAMPLE_FLOATS, lux::MetropolisSampler::sampleImage, lux::Film::scene, lux::MetropolisSampler::timeImage, lux::MetropolisSampler::totalSamples, and lux::MetropolisSampler::totalTimes.

Referenced by lux::MetropolisSampler::GetNextSample().

static float mutate	(	const float	x,
		const float	randomValue
	)			[static]

Definition at line 36 of file metrosampler.cpp.

Referenced by lux::MetropolisSampler::GetLazyValues(), and lux::MetropolisSampler::GetNextSample().

static float mutateScaled	(	const float	x,
		const float	randomValue,
		const float	mini,
		const float	maxi,
		const float	range
	)			[static]

Definition at line 51 of file metrosampler.cpp.

Referenced by lux::MetropolisSampler::GetNextSample().

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Variable Documentation

DynamicLoader::RegisterSampler<MetropolisSampler> r("metropolis") [static]

const u_int rngA = 884 [static]

Definition at line 66 of file metrosampler.cpp.

Referenced by lux::MetropolisSampler::MetropolisSampler().

float rngDummy [static]

Definition at line 67 of file metrosampler.cpp.

const u_int rngN = 8191 [static]

Definition at line 65 of file metrosampler.cpp.

Referenced by lux::MetropolisSampler::GetNextSample(), initMetropolis(), and lux::MetropolisSampler::MetropolisSampler().