#include <assert.h>
#include <float.h>
#include <limits.h>
#include <math.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "mikktspace.h"

Classes
struct	SVec3

struct	SSubGroup

struct	SGroup

struct	STriInfo

struct	STSpace

union	SEdge

struct	VertReverseLookupContext

Macros
#define	TFALSE 0

#define	TTRUE 1

#define	M_PI 3.1415926535897932384626433832795

#define	INTERNAL_RND_SORT_SEED 39871946

#define	MIKK_INLINE static inline __attribute__((always_inline)) __attribute__((unused))

#define	MARK_DEGENERATE 1

#define	QUAD_ONE_DEGEN_TRI 2

#define	GROUP_WITH_ANY 4

#define	ORIENT_PRESERVING 8

#define	HASH(x, y, z) (((x)73856093) ^ ((y)19349663) ^ ((z)*83492791))

#define	HASH_F(x, y, z) HASH(float_as_uint(x), float_as_uint(y), float_as_uint(z))

Typedefs
typedef unsigned int	uint

typedef struct VertReverseLookupContext	VertReverseLookupContext

Functions
MIKK_INLINE tbool	veq (const SVec3 v1, const SVec3 v2)

MIKK_INLINE SVec3	vadd (const SVec3 v1, const SVec3 v2)

MIKK_INLINE SVec3	vsub (const SVec3 v1, const SVec3 v2)

MIKK_INLINE SVec3	vscale (const float fS, const SVec3 v)

MIKK_INLINE float	LengthSquared (const SVec3 v)

MIKK_INLINE float	Length (const SVec3 v)

MIKK_INLINE SVec3	NormalizeSafe (const SVec3 v)

MIKK_INLINE float	vdot (const SVec3 v1, const SVec3 v2)

MIKK_INLINE tbool	NotZero (const float fX)

MIKK_INLINE unsigned int	rotl (unsigned int value, unsigned int count)

static int	GenerateInitialVerticesIndexList (STriInfo pTriInfos[], int piTriList_out[], const SMikkTSpaceContext *pContext, const int iNrTrianglesIn)

static void	GenerateSharedVerticesIndexList (int piTriList_in_and_out[], const SMikkTSpaceContext *pContext, const int iNrTrianglesIn)

static void	InitTriInfo (STriInfo pTriInfos[], const int piTriListIn[], const SMikkTSpaceContext *pContext, const int iNrTrianglesIn)

static int	Build4RuleGroups (STriInfo pTriInfos[], SGroup pGroups[], int piGroupTrianglesBuffer[], const int piTriListIn[], const int iNrTrianglesIn)

static tbool	GenerateTSpaces (STSpace psTspace[], const STriInfo pTriInfos[], const SGroup pGroups[], const int iNrActiveGroups, const int piTriListIn[], const float fThresCos, const SMikkTSpaceContext *pContext)

MIKK_INLINE int	MakeIndex (const int iFace, const int iVert)

MIKK_INLINE void	IndexToData (int piFace, int piVert, const int iIndexIn)

static STSpace	AvgTSpace (const STSpace pTS0, const STSpace pTS1)

MIKK_INLINE SVec3	GetPosition (const SMikkTSpaceContext *pContext, const int index)

MIKK_INLINE SVec3	GetNormal (const SMikkTSpaceContext *pContext, const int index)

MIKK_INLINE SVec3	GetTexCoord (const SMikkTSpaceContext *pContext, const int index)

static void	DegenPrologue (STriInfo pTriInfos[], int piTriList_out[], const int iNrTrianglesIn, const int iTotTris)

static void	DegenEpilogue (STSpace psTspace[], STriInfo pTriInfos[], int piTriListIn[], const SMikkTSpaceContext *pContext, const int iNrTrianglesIn, const int iTotTris)

tbool	genTangSpaceDefault (const SMikkTSpaceContext *pContext)

tbool	genTangSpace (const SMikkTSpaceContext *pContext, const float fAngularThreshold)

static void	GenerateSharedVerticesIndexListSlow (int piTriList_in_and_out[], const SMikkTSpaceContext *pContext, const int iNrTrianglesIn)

static uint	float_as_uint (const float v)

static void	radixsort_pair (uint comp, int data, uint comp2, int data2, int n)

static void	BuildNeighborsFast (STriInfo pTriInfos[], SEdge *pEdges, const int piTriListIn[], const int iNrTrianglesIn)

static void	BuildNeighborsSlow (STriInfo pTriInfos[], const int piTriListIn[], const int iNrTrianglesIn)

static float	CalcTexArea (const SMikkTSpaceContext *pContext, const int indices[])

static tbool	AssignRecur (const int piTriListIn[], STriInfo psTriInfos[], const int iMyTriIndex, SGroup *pGroup)

MIKK_INLINE void	AddTriToGroup (SGroup *pGroup, const int iTriIndex)

static tbool	CompareSubGroups (const SSubGroup pg1, const SSubGroup pg2)

static void	QuickSort (int *pSortBuffer, int iLeft, int iRight, unsigned int uSeed)

static STSpace	EvalTspace (int face_indices[], const int iFaces, const int piTriListIn[], const STriInfo pTriInfos[], const SMikkTSpaceContext *pContext, const int iVertexRepresentitive)

static void	QuickSortEdges (SEdge *pSortBuffer, int iLeft, int iRight, const int channel, unsigned int uSeed)

static void	GetEdge (int i0_out, int i1_out, int *edgenum_out, const int indices[], const int i0_in, const int i1_in)

static void	GenerateReverseLookup (const int piTriListIn[], const int iNrTrianglesIn, VertReverseLookupContext *pLookupCtx)

static int	LookupVertexIndexFromGoodTriangle (VertReverseLookupContext *pLookupCtx, int piTriListIn[], const int iNrTrianglesIn, const int iVertexIndex)

static void	FreeReverseLookup (VertReverseLookupContext *pLookupCtx)

Macro Definition Documentation

◆ GROUP_WITH_ANY

#define GROUP_WITH_ANY 4

Definition at line 165 of file mikktspace.c.

◆ HASH

#define HASH	(	x,
		y,
		z
	)	(((x)73856093) ^ ((y)19349663) ^ ((z)*83492791))

Definition at line 486 of file mikktspace.c.

◆ HASH_F

#define HASH_F	(	x,
		y,
		z
	)	HASH(float_as_uint(x), float_as_uint(y), float_as_uint(z))

Definition at line 487 of file mikktspace.c.

◆ INTERNAL_RND_SORT_SEED

#define INTERNAL_RND_SORT_SEED 39871946

Definition at line 41 of file mikktspace.c.

◆ M_PI

#define M_PI 3.1415926535897932384626433832795

Definition at line 38 of file mikktspace.c.

◆ MARK_DEGENERATE

#define MARK_DEGENERATE 1

Definition at line 163 of file mikktspace.c.

◆ MIKK_INLINE

#define MIKK_INLINE static inline __attribute__((always_inline)) __attribute__((unused))

Definition at line 46 of file mikktspace.c.

◆ ORIENT_PRESERVING

#define ORIENT_PRESERVING 8

Definition at line 166 of file mikktspace.c.

◆ QUAD_ONE_DEGEN_TRI

#define QUAD_ONE_DEGEN_TRI 2

Definition at line 164 of file mikktspace.c.

◆ TFALSE

#define TFALSE 0

This software is provided 'as-is', without any express or implied warranty. In no event will the authors be held liable for any damages arising from the use of this software.

Permission is granted to anyone to use this software for any purpose, including commercial applications, and to alter it and redistribute it freely, subject to the following restrictions:

The origin of this software must not be misrepresented; you must not claim that you wrote the original software. If you use this software in a product, an acknowledgment in the product documentation would be appreciated but is not required.
Altered source versions must be plainly marked as such, and must not be misrepresented as being the original software.
This notice may not be removed or altered from any source distribution.

Definition at line 34 of file mikktspace.c.

◆ TTRUE

#define TTRUE 1

Definition at line 35 of file mikktspace.c.

Typedef Documentation

◆ uint

typedef unsigned int uint

Definition at line 479 of file mikktspace.c.

◆ VertReverseLookupContext

typedef struct VertReverseLookupContext VertReverseLookupContext

Function Documentation

◆ AddTriToGroup()

MIKK_INLINE void AddTriToGroup	(	SGroup *	pGroup,
		const int	iTriIndex
	)

Definition at line 1047 of file mikktspace.c.

References SGroup::iNrFaces, and SGroup::pFaceIndices.

Referenced by AssignRecur(), and Build4RuleGroups().

◆ AssignRecur()

static tbool AssignRecur	(	const int	piTriListIn[],
		STriInfo	psTriInfos[],
		const int	iMyTriIndex,
		SGroup *	pGroup
	)

static

Definition at line 1053 of file mikktspace.c.

References AddTriToGroup(), STriInfo::AssignedGroup, SGroup::bOrientPreservering, STriInfo::FaceNeighbors, GROUP_WITH_ANY, STriInfo::iFlag, SGroup::iVertexRepresentitive, NULL, ORIENT_PRESERVING, TFALSE, and TTRUE.

Referenced by Build4RuleGroups().

◆ AvgTSpace()

static STSpace AvgTSpace	(	const STSpace *	pTS0,
		const STSpace *	pTS1
	)

static

Definition at line 227 of file mikktspace.c.

References STSpace::fMagS, STSpace::fMagT, NormalizeSafe(), vadd(), veq(), STSpace::vOs, and STSpace::vOt.

Referenced by GenerateTSpaces().

◆ Build4RuleGroups()

static int Build4RuleGroups	(	STriInfo	pTriInfos[],
		SGroup	pGroups[],
		int	piGroupTrianglesBuffer[],
		const int	piTriListIn[],
		const int	iNrTrianglesIn
	)

static

Definition at line 981 of file mikktspace.c.

References AddTriToGroup(), STriInfo::AssignedGroup, AssignRecur(), SGroup::bOrientPreservering, STriInfo::FaceNeighbors, GROUP_WITH_ANY, STriInfo::iFlag, SGroup::iNrFaces, SGroup::iVertexRepresentitive, NULL, ORIENT_PRESERVING, SGroup::pFaceIndices, TFALSE, and TTRUE.

Referenced by genTangSpace().

◆ BuildNeighborsFast()

static void BuildNeighborsFast	(	STriInfo	pTriInfos[],
		SEdge *	pEdges,
		const int	piTriListIn[],
		const int	iNrTrianglesIn
	)

static

Definition at line 1440 of file mikktspace.c.

References SEdge::f, STriInfo::FaceNeighbors, GetEdge(), SEdge::i0, SEdge::i1, i1, INTERNAL_RND_SORT_SEED, QuickSortEdges(), t, TFALSE, and TTRUE.

Referenced by InitTriInfo().

◆ BuildNeighborsSlow()

static void BuildNeighborsSlow	(	STriInfo	pTriInfos[],
		const int	piTriListIn[],
		const int	iNrTrianglesIn
	)

static

Definition at line 1539 of file mikktspace.c.

References STriInfo::FaceNeighbors, t, TFALSE, and TTRUE.

Referenced by InitTriInfo().

◆ CalcTexArea()

static float CalcTexArea	(	const SMikkTSpaceContext *	pContext,
		const int	indices[]
	)

static

Definition at line 832 of file mikktspace.c.

References GetTexCoord(), indices, SVec3::x, and SVec3::y.

Referenced by InitTriInfo().

◆ CompareSubGroups()

static tbool CompareSubGroups	(	const SSubGroup *	pg1,
		const SSubGroup *	pg2
	)

static

Definition at line 1375 of file mikktspace.c.

References SSubGroup::iNrFaces, SSubGroup::pTriMembers, TFALSE, and TTRUE.

Referenced by GenerateTSpaces().

◆ DegenEpilogue()

static void DegenEpilogue	(	STSpace	psTspace[],
		STriInfo	pTriInfos[],
		int	piTriListIn[],
		const SMikkTSpaceContext *	pContext,
		const int	iNrTrianglesIn,
		const int	iTotTris
	)

static

Definition at line 1845 of file mikktspace.c.

References FreeReverseLookup(), GetPosition(), STriInfo::iFlag, STriInfo::iOrgFaceNumber, STriInfo::iTSpacesOffs, LookupVertexIndexFromGoodTriangle(), MakeIndex(), QUAD_ONE_DEGEN_TRI, t, TFALSE, TTRUE, veq(), and STriInfo::vert_num.

Referenced by genTangSpace().

◆ DegenPrologue()

static void DegenPrologue	(	STriInfo	pTriInfos[],
		int	piTriList_out[],
		const int	iNrTrianglesIn,
		const int	iTotTris
	)

static

Definition at line 1688 of file mikktspace.c.

References STriInfo::iFlag, STriInfo::iOrgFaceNumber, MARK_DEGENERATE, QUAD_ONE_DEGEN_TRI, t, TFALSE, and TTRUE.

Referenced by genTangSpace().

◆ EvalTspace()

static STSpace EvalTspace	(	int	face_indices[],
		const int	iFaces,
		const int	piTriListIn[],
		const STriInfo	pTriInfos[],
		const SMikkTSpaceContext *	pContext,
		const int	iVertexRepresentitive
	)

static

Definition at line 1293 of file mikktspace.c.

References KDL::acos(), fAngle, float(), STriInfo::fMagS, STSpace::fMagS, STriInfo::fMagT, STSpace::fMagT, GetNormal(), GetPosition(), GROUP_WITH_ANY, i1, NormalizeSafe(), v1, v2, vadd(), vdot(), STSpace::vOs, STSpace::vOt, vscale(), vsub(), SVec3::x, SVec3::y, and SVec3::z.

Referenced by GenerateTSpaces().

◆ float_as_uint()

static uint float_as_uint ( const float v )

static

Definition at line 481 of file mikktspace.c.

References v.

◆ FreeReverseLookup()

static void FreeReverseLookup ( VertReverseLookupContext * pLookupCtx )

static

Definition at line 1835 of file mikktspace.c.

References VertReverseLookupContext::bIsInitialized, free(), NULL, and VertReverseLookupContext::pLookup.

Referenced by DegenEpilogue().

◆ GenerateInitialVerticesIndexList()

static int GenerateInitialVerticesIndexList	(	STriInfo	pTriInfos[],
		int	piTriList_out[],
		const SMikkTSpaceContext *	pContext,
		const int	iNrTrianglesIn
	)

static

Definition at line 655 of file mikktspace.c.

References GetPosition(), GetTexCoord(), i1, STriInfo::iOrgFaceNumber, STriInfo::iTSpacesOffs, LengthSquared(), SMikkTSpaceInterface::m_getNumFaces, SMikkTSpaceInterface::m_getNumVerticesOfFace, SMikkTSpaceContext::m_pInterface, MakeIndex(), t, T1, T2, T3, TFALSE, TTRUE, STriInfo::vert_num, verts, and vsub().

Referenced by genTangSpace().

◆ GenerateReverseLookup()

static void GenerateReverseLookup	(	const int	piTriListIn[],
		const int	iNrTrianglesIn,
		VertReverseLookupContext *	pLookupCtx
	)

static

Definition at line 1778 of file mikktspace.c.

References VertReverseLookupContext::iMaxVertIndex, NULL, VertReverseLookupContext::pLookup, and t.

Referenced by LookupVertexIndexFromGoodTriangle().

◆ GenerateSharedVerticesIndexList()

static void GenerateSharedVerticesIndexList	(	int	piTriList_in_and_out[],
		const SMikkTSpaceContext *	pContext,
		const int	iNrTrianglesIn
	)

static

Definition at line 527 of file mikktspace.c.

References free(), GenerateSharedVerticesIndexListSlow(), GetNormal(), GetPosition(), GetTexCoord(), HASH, hash, HASH_F, indices, NULL, numVertices(), radixsort_pair(), veq(), SVec3::x, SVec3::y, and SVec3::z.

Referenced by genTangSpace().

◆ GenerateSharedVerticesIndexListSlow()

static void GenerateSharedVerticesIndexListSlow	(	int	piTriList_in_and_out[],
		const SMikkTSpaceContext *	pContext,
		const int	iNrTrianglesIn
	)

static

Definition at line 611 of file mikktspace.c.

References GetNormal(), GetPosition(), GetTexCoord(), t, TFALSE, TTRUE, and veq().

Referenced by GenerateSharedVerticesIndexList().

◆ GenerateTSpaces()

static tbool GenerateTSpaces	(	STSpace	psTspace[],
		const STriInfo	pTriInfos[],
		const SGroup	pGroups[],
		const int	iNrActiveGroups,
		const int	piTriListIn[],
		const float	fThresCos,
		const SMikkTSpaceContext *	pContext
	)

static

Definition at line 1120 of file mikktspace.c.

References AvgTSpace(), STSpace::bOrient, SGroup::bOrientPreservering, CompareSubGroups(), EvalTspace(), free(), GetNormal(), GROUP_WITH_ANY, STSpace::iCounter, STriInfo::iFlag, SSubGroup::iNrFaces, SGroup::iNrFaces, INTERNAL_RND_SORT_SEED, STriInfo::iOrgFaceNumber, STriInfo::iTSpacesOffs, SGroup::iVertexRepresentitive, l, NormalizeSafe(), NULL, ORIENT_PRESERVING, SGroup::pFaceIndices, SSubGroup::pTriMembers, QuickSort(), t, TFALSE, TTRUE, vdot(), STriInfo::vert_num, vscale(), and vsub().

Referenced by genTangSpace().

◆ genTangSpace()

tbool genTangSpace	(	const SMikkTSpaceContext *	pContext,
		const float	fAngularThreshold
	)

◆ genTangSpaceDefault()

tbool genTangSpaceDefault ( const SMikkTSpaceContext * pContext )

Definition at line 269 of file mikktspace.c.

References genTangSpace().

Referenced by BKE_displist_tangent_calc(), BKE_mesh_calc_loop_tangent_single_ex(), DM_calc_loop_tangents_thread(), emDM_calc_loop_tangents_thread(), and mikk_compute_tangents().

◆ GetEdge()

static void GetEdge	(	int *	i0_out,
		int *	i1_out,
		int *	edgenum_out,
		const int	indices[],
		const int	i0_in,
		const int	i1_in
	)

static

Definition at line 1654 of file mikktspace.c.

References indices.

Referenced by BuildNeighborsFast().

◆ GetNormal()

MIKK_INLINE SVec3 GetNormal	(	const SMikkTSpaceContext *	pContext,
		const int	index
	)

Definition at line 787 of file mikktspace.c.

References IndexToData(), SMikkTSpaceInterface::m_getNormal, SMikkTSpaceContext::m_pInterface, norm(), SVec3::x, SVec3::y, and SVec3::z.

Referenced by EvalTspace(), GenerateSharedVerticesIndexList(), GenerateSharedVerticesIndexListSlow(), and GenerateTSpaces().

◆ GetPosition()

MIKK_INLINE SVec3 GetPosition	(	const SMikkTSpaceContext *	pContext,
		const int	index
	)

Definition at line 774 of file mikktspace.c.

References IndexToData(), SMikkTSpaceInterface::m_getPosition, SMikkTSpaceContext::m_pInterface, pos, SVec3::x, SVec3::y, and SVec3::z.

Referenced by DegenEpilogue(), EvalTspace(), GenerateInitialVerticesIndexList(), GenerateSharedVerticesIndexList(), GenerateSharedVerticesIndexListSlow(), genTangSpace(), and InitTriInfo().

◆ GetTexCoord()

MIKK_INLINE SVec3 GetTexCoord	(	const SMikkTSpaceContext *	pContext,
		const int	index
	)

Definition at line 800 of file mikktspace.c.

References IndexToData(), SMikkTSpaceInterface::m_getTexCoord, SMikkTSpaceContext::m_pInterface, SVec3::x, SVec3::y, and SVec3::z.

Referenced by CalcTexArea(), GenerateInitialVerticesIndexList(), GenerateSharedVerticesIndexList(), GenerateSharedVerticesIndexListSlow(), and InitTriInfo().

◆ IndexToData()

MIKK_INLINE void IndexToData	(	int *	piFace,
		int *	piVert,
		const int	iIndexIn
	)

Definition at line 221 of file mikktspace.c.

Referenced by GetNormal(), GetPosition(), and GetTexCoord().

◆ InitTriInfo()

static void InitTriInfo	(	STriInfo	pTriInfos[],
		const int	piTriListIn[],
		const SMikkTSpaceContext *	pContext,
		const int	iNrTrianglesIn
	)

static

Definition at line 848 of file mikktspace.c.

References STriInfo::AssignedGroup, BuildNeighborsFast(), BuildNeighborsSlow(), CalcTexArea(), fabsf, STriInfo::FaceNeighbors, STriInfo::fMagS, STriInfo::fMagT, free(), GetPosition(), GetTexCoord(), GROUP_WITH_ANY, STriInfo::iFlag, STriInfo::iOrgFaceNumber, Length(), MARK_DEGENERATE, NotZero(), NULL, ORIENT_PRESERVING, t, TFALSE, TTRUE, v1, v2, vadd(), STriInfo::vOs, STriInfo::vOt, vscale(), vsub(), SVec3::x, SVec3::y, and SVec3::z.

Referenced by genTangSpace().

◆ Length()

MIKK_INLINE float Length ( const SVec3 v )

Definition at line 97 of file mikktspace.c.

References LengthSquared(), sqrtf, and v.

Referenced by InitTriInfo(), and NormalizeSafe().

◆ LengthSquared()

MIKK_INLINE float LengthSquared ( const SVec3 v )

Definition at line 92 of file mikktspace.c.

References v.

Referenced by GenerateInitialVerticesIndexList(), and Length().

◆ LookupVertexIndexFromGoodTriangle()

static int LookupVertexIndexFromGoodTriangle	(	VertReverseLookupContext *	pLookupCtx,
		int	piTriListIn[],
		const int	iNrTrianglesIn,
		const int	iVertexIndex
	)

static

Definition at line 1814 of file mikktspace.c.

References VertReverseLookupContext::bIsInitialized, GenerateReverseLookup(), VertReverseLookupContext::iMaxVertIndex, NULL, VertReverseLookupContext::pLookup, and TTRUE.

Referenced by DegenEpilogue().

◆ MakeIndex()

MIKK_INLINE int MakeIndex	(	const int	iFace,
		const int	iVert
	)

Definition at line 215 of file mikktspace.c.

Referenced by DegenEpilogue(), and GenerateInitialVerticesIndexList().

◆ NormalizeSafe()

MIKK_INLINE SVec3 NormalizeSafe ( const SVec3 v )

Definition at line 109 of file mikktspace.c.

References len, Length(), v, and vscale().

Referenced by AvgTSpace(), EvalTspace(), and GenerateTSpaces().

◆ NotZero()

MIKK_INLINE tbool NotZero ( const float fX )

Definition at line 125 of file mikktspace.c.

References fabsf.

Referenced by InitTriInfo().

◆ QuickSort()

static void QuickSort	(	int *	pSortBuffer,
		int	iLeft,
		int	iRight,
		unsigned int	uSeed
	)

static

Definition at line 1389 of file mikktspace.c.

References rotl(), and t.

Referenced by GenerateTSpaces().

◆ QuickSortEdges()

static void QuickSortEdges	(	SEdge *	pSortBuffer,
		int	iLeft,
		int	iRight,
		const int	channel,
		unsigned int	uSeed
	)

static

Definition at line 1584 of file mikktspace.c.

References SEdge::array, rotl(), and t.

Referenced by BuildNeighborsFast().

◆ radixsort_pair()

static void radixsort_pair	(	uint *	comp,
		int *	data,
		uint *	comp2,
		int *	data2,
		int	n
	)

static

Definition at line 491 of file mikktspace.c.

References data, data2, and pos.

Referenced by GenerateSharedVerticesIndexList().

◆ rotl()

MIKK_INLINE unsigned int rotl	(	unsigned int	value,
		unsigned int	count
	)

Definition at line 143 of file mikktspace.c.

References count, and mask().

Referenced by QuickSort(), and QuickSortEdges().

◆ vadd()

MIKK_INLINE SVec3 vadd	(	const SVec3	v1,
		const SVec3	v2
	)

Definition at line 59 of file mikktspace.c.

References v1, v2, SVec3::x, SVec3::y, and SVec3::z.

Referenced by AvgTSpace(), EvalTspace(), and InitTriInfo().

◆ vdot()

MIKK_INLINE float vdot	(	const SVec3	v1,
		const SVec3	v2
	)

Definition at line 120 of file mikktspace.c.

References v1, and v2.

Referenced by EvalTspace(), and GenerateTSpaces().

◆ veq()

MIKK_INLINE tbool veq	(	const SVec3	v1,
		const SVec3	v2
	)

Definition at line 54 of file mikktspace.c.

References v1, and v2.

Referenced by AvgTSpace(), DegenEpilogue(), GenerateSharedVerticesIndexList(), GenerateSharedVerticesIndexListSlow(), and genTangSpace().

◆ vscale()

MIKK_INLINE SVec3 vscale	(	const float	fS,
		const SVec3	v
	)

Definition at line 81 of file mikktspace.c.

References v, SVec3::x, SVec3::y, and SVec3::z.

Referenced by EvalTspace(), GenerateTSpaces(), InitTriInfo(), and NormalizeSafe().

◆ vsub()

MIKK_INLINE SVec3 vsub	(	const SVec3	v1,
		const SVec3	v2
	)

Definition at line 70 of file mikktspace.c.

References v1, v2, SVec3::x, SVec3::y, and SVec3::z.

Referenced by EvalTspace(), GenerateInitialVerticesIndexList(), GenerateTSpaces(), and InitTriInfo().

Classes

Macros

Typedefs

Functions

Macro Definition Documentation

◆ GROUP_WITH_ANY

◆ HASH

◆ HASH_F

◆ INTERNAL_RND_SORT_SEED

◆ M_PI

◆ MARK_DEGENERATE

◆ MIKK_INLINE

◆ ORIENT_PRESERVING

◆ QUAD_ONE_DEGEN_TRI

◆ TFALSE

◆ TTRUE

Typedef Documentation

◆ uint

◆ VertReverseLookupContext

Function Documentation

◆ AddTriToGroup()

◆ AssignRecur()

◆ AvgTSpace()

◆ Build4RuleGroups()

◆ BuildNeighborsFast()

◆ BuildNeighborsSlow()

◆ CalcTexArea()

◆ CompareSubGroups()

◆ DegenEpilogue()

◆ DegenPrologue()

◆ EvalTspace()

◆ float_as_uint()

◆ FreeReverseLookup()

◆ GenerateInitialVerticesIndexList()

◆ GenerateReverseLookup()

◆ GenerateSharedVerticesIndexList()

◆ GenerateSharedVerticesIndexListSlow()

◆ GenerateTSpaces()

◆ genTangSpace()

◆ genTangSpaceDefault()

◆ GetEdge()

◆ GetNormal()

◆ GetPosition()

◆ GetTexCoord()

◆ IndexToData()

◆ InitTriInfo()

◆ Length()

◆ LengthSquared()

◆ LookupVertexIndexFromGoodTriangle()

◆ MakeIndex()

◆ NormalizeSafe()

◆ NotZero()

◆ QuickSort()

◆ QuickSortEdges()

◆ radixsort_pair()

◆ rotl()

◆ vadd()

◆ vdot()

◆ veq()

◆ vscale()

◆ vsub()