MIPMap< T > Class Template Reference

#include <mipmap.h>

List of all members.

Public Member Functions
	MIPMap (int xres, int yres, const T *data, bool doTri=false, float maxAniso=8.f, ImageWrap wrapMode=TEXTURE_REPEAT)
	~MIPMap ()
T	Lookup (float s, float t, float width=0.f) const
T	Lookup (float s, float t, float ds0, float dt0, float ds1, float dt1) const
Private Member Functions
ResampleWeight *	resampleWeights (int oldres, int newres)
float	clamp (float v)
Spectrum	clamp (const Spectrum &v)
const T &	texel (int level, int s, int t) const
T	triangle (int level, float s, float t) const
T	EWA (float s, float t, float ds0, float dt0, float ds1, float dt1, int level) const
Private Attributes
bool	doTrilinear
float	maxAnisotropy
ImageWrap	wrapMode
BlockedArray< T > **	pyramid
int	nLevels
Static Private Attributes
static float *	weightLut = NULL
Classes
struct	ResampleWeight

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Detailed Description

template<class T>
class MIPMap< T >

Definition at line 35 of file mipmap.h.

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Constructor & Destructor Documentation

template<class T>

MIPMap< T >::MIPMap	(	int	xres,
		int	yres,
		const T *	data,
		bool	doTri = false,
		float	maxAniso = 8.f,
		ImageWrap	wrapMode = TEXTURE_REPEAT
	)			[inline]

Definition at line 87 of file mipmap.h.

References AllocAligned(), MIPMap< T >::clamp(), Clamp(), MIPMap< T >::doTrilinear, MIPMap< T >::ResampleWeight::firstTexel, IsPowerOf2(), Log2Int(), MIPMap< T >::maxAnisotropy, Mod(), MIPMap< T >::nLevels, MIPMap< T >::pyramid, MIPMap< T >::resampleWeights(), RoundUpPow2(), MIPMap< T >::texel(), TEXTURE_CLAMP, TEXTURE_REPEAT, MIPMap< T >::ResampleWeight::weight, WEIGHT_LUT_SIZE, MIPMap< T >::weightLut, and MIPMap< T >::wrapMode.

template<class T>

MIPMap< T >::~MIPMap

(

)

[inline]

Definition at line 197 of file mipmap.h.

References MIPMap< T >::nLevels, and MIPMap< T >::pyramid.

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Member Function Documentation

template<class T>

T MIPMap< T >::Lookup	(	float	s,
		float	t,
		float	width = 0.f
	)			const [inline]

Definition at line 203 of file mipmap.h.

References Floor2Int(), Log2(), MIPMap< T >::nLevels, MIPMap< T >::texel(), and MIPMap< T >::triangle().

Referenced by InfiniteAreaLightIS::InfiniteAreaLightIS(), InfiniteAreaLightIS::Le(), InfiniteAreaLight::Le(), MIPMap< T >::Lookup(), HighContrastOp::Map(), ProjectionLight::Power(), InfiniteAreaLightIS::Power(), InfiniteAreaLight::Power(), GonioPhotometricLight::Power(), ProjectionLight::Projection(), InfiniteAreaLightIS::Sample_L(), and GonioPhotometricLight::Scale().

template<class T>

T MIPMap< T >::Lookup	(	float	s,
		float	t,
		float	ds0,
		float	dt0,
		float	ds1,
		float	dt1
	)			const [inline]

Definition at line 234 of file mipmap.h.

References MIPMap< T >::doTrilinear, MIPMap< T >::EWA(), Floor2Int(), Log2(), MIPMap< T >::Lookup(), MIPMap< T >::maxAnisotropy, and MIPMap< T >::nLevels.

template<class T>

ResampleWeight* MIPMap< T >::resampleWeights	(	int	oldres,
		int	newres
	)			[inline, private]

Definition at line 47 of file mipmap.h.

Referenced by MIPMap< T >::MIPMap().

template<class T>

float MIPMap< T >::clamp

(

float

v

)

[inline, private]

Definition at line 67 of file mipmap.h.

Referenced by MIPMap< T >::MIPMap().

template<class T>

Spectrum MIPMap< T >::clamp

(

const Spectrum &

v

)

[inline, private]

Definition at line 68 of file mipmap.h.

template<class T>

const T & MIPMap< T >::texel	(	int	level,
		int	s,
		int	t
	)			const [inline, private]

Definition at line 174 of file mipmap.h.

References Clamp(), Mod(), MIPMap< T >::pyramid, TEXTURE_BLACK, TEXTURE_CLAMP, TEXTURE_REPEAT, BlockedArray< T, logBlockSize >::uSize(), BlockedArray< T, logBlockSize >::vSize(), and MIPMap< T >::wrapMode.

Referenced by MIPMap< T >::EWA(), MIPMap< T >::Lookup(), MIPMap< T >::MIPMap(), and MIPMap< T >::triangle().

template<class T>

T MIPMap< T >::triangle	(	int	level,
		float	s,
		float	t
	)			const [inline, private]

Definition at line 222 of file mipmap.h.

References Clamp(), Floor2Int(), MIPMap< T >::nLevels, MIPMap< T >::pyramid, MIPMap< T >::texel(), BlockedArray< T, logBlockSize >::uSize(), and BlockedArray< T, logBlockSize >::vSize().

Referenced by MIPMap< T >::Lookup().

template<class T>

T MIPMap< T >::EWA	(	float	s,
		float	t,
		float	ds0,
		float	dt0,
		float	ds1,
		float	dt1,
		int	level
	)			const [inline, private]

Definition at line 267 of file mipmap.h.

References StatsRatio::Add(), Ceil2Int(), Float2Int(), Floor2Int(), MIPMap< T >::nLevels, MIPMap< T >::pyramid, MIPMap< T >::texel(), BlockedArray< T, logBlockSize >::uSize(), BlockedArray< T, logBlockSize >::vSize(), WEIGHT_LUT_SIZE, and MIPMap< T >::weightLut.

Referenced by MIPMap< T >::Lookup().

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Member Data Documentation

template<class T>

bool MIPMap< T >::doTrilinear [private]

Definition at line 73 of file mipmap.h.

Referenced by MIPMap< T >::Lookup(), and MIPMap< T >::MIPMap().

template<class T>

float MIPMap< T >::maxAnisotropy [private]

Definition at line 74 of file mipmap.h.

Referenced by MIPMap< T >::Lookup(), and MIPMap< T >::MIPMap().

template<class T>

ImageWrap MIPMap< T >::wrapMode [private]

Definition at line 75 of file mipmap.h.

Referenced by MIPMap< T >::MIPMap(), and MIPMap< T >::texel().

template<class T>

BlockedArray<T>** MIPMap< T >::pyramid [private]

Definition at line 80 of file mipmap.h.

Referenced by MIPMap< T >::EWA(), MIPMap< T >::MIPMap(), MIPMap< T >::texel(), MIPMap< T >::triangle(), and MIPMap< T >::~MIPMap().

template<class T>

int MIPMap< T >::nLevels [private]

Definition at line 81 of file mipmap.h.

Referenced by MIPMap< T >::EWA(), MIPMap< T >::Lookup(), MIPMap< T >::MIPMap(), MIPMap< T >::triangle(), and MIPMap< T >::~MIPMap().

template<class T>

float * MIPMap< T >::weightLut = NULL [inline, static, private]

Definition at line 83 of file mipmap.h.

Referenced by MIPMap< T >::EWA(), and MIPMap< T >::MIPMap().

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The documentation for this class was generated from the following file:

• mipmap.h