rtcore_ray.h File Reference

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Classes
struct	RTCRaySOA
	Ray structure template for packets of N rays in SOA layout. More...

Functions
struct	RTCORE_ALIGN (16) RTCRay
	Ray structure for an individual ray.
struct	RTCORE_ALIGN (32) RTCRay8
struct	RTCORE_ALIGN (64) RTCRay16
	Ray structure for packets of 16 rays.

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Class Documentation

RTCRaySOA

struct RTCRaySOA

Ray structure template for packets of N rays in SOA layout.

Class Members
float *	dirx	x coordinate of ray direction
float *	diry	y coordinate of ray direction
float *	dirz	z coordinate of ray direction
unsigned *	geomID	geometry ID
unsigned *	instID	instance ID (optional)
unsigned *	mask	Used to mask out objects during traversal (optional)
float *	Ngx	x coordinate of geometry normal (optional)
float *	Ngy	y coordinate of geometry normal (optional)
float *	Ngz	z coordinate of geometry normal (optional)
float *	orgx	x coordinate of ray origin
float *	orgy	y coordinate of ray origin
float *	orgz	z coordinate of ray origin
unsigned *	primID	primitive ID
float *	tfar	End of ray segment (set to hit distance)
float *	time	Time of this ray for motion blur (optional)
float *	tnear	Start of ray segment (optional)
float *	u	Barycentric u coordinate of hit.
float *	v	Barycentric v coordinate of hit.

Function Documentation

RTCORE_ALIGN() [1/3]

struct RTCORE_ALIGN

(

16

)

Ray structure for an individual ray.

Ray structure for packets of 4 rays.

< Ray origin

< Ray direction

< Start of ray segment

< End of ray segment (set to hit distance)

< Time of this ray for motion blur

< Used to mask out objects during traversal

< Unnormalized geometry normal

< Barycentric u coordinate of hit

< Barycentric v coordinate of hit

< geometry ID

< primitive ID

< instance ID

< x coordinate of ray origin

< y coordinate of ray origin

< z coordinate of ray origin

< x coordinate of ray direction

< y coordinate of ray direction

< z coordinate of ray direction

< Start of ray segment

< End of ray segment (set to hit distance)

< Time of this ray for motion blur

< Used to mask out objects during traversal

< x coordinate of geometry normal

< y coordinate of geometry normal

< z coordinate of geometry normal

< Barycentric u coordinate of hit

< Barycentric v coordinate of hit

< geometry ID

< primitive ID

< instance ID

{
  /* ray data */
public:
  float org[3];      
  float align0;
  
  float dir[3];      
  float align1;
  
  float tnear;       
  float tfar;        
 
  float time;        
  unsigned mask;        
  
  /* hit data */
public:
  float Ng[3];       
  float align2;
  
  float u;           
  float v;           
 
  unsigned geomID;        
  unsigned primID;        
  unsigned instID;        
};

RTCORE_ALIGN() [2/3]

struct RTCORE_ALIGN

(

32

)

Ray structure for packets of 8 rays.

< x coordinate of ray origin

< y coordinate of ray origin

< z coordinate of ray origin

< x coordinate of ray direction

< y coordinate of ray direction

< z coordinate of ray direction

< Start of ray segment

< End of ray segment (set to hit distance)

< Time of this ray for motion blur

< Used to mask out objects during traversal

< x coordinate of geometry normal

< y coordinate of geometry normal

< z coordinate of geometry normal

< Barycentric u coordinate of hit

< Barycentric v coordinate of hit

< geometry ID

< primitive ID

< instance ID

{
  /* ray data */
public:
  float orgx[8];  
  float orgy[8];  
  float orgz[8];  
  
  float dirx[8];  
  float diry[8];  
  float dirz[8];  
  
  float tnear[8]; 
  float tfar[8];  
 
  float time[8];  
  unsigned mask[8];  
  
  /* hit data */
public:
  float Ngx[8];   
  float Ngy[8];   
  float Ngz[8];   
  
  float u[8];     
  float v[8];     
  
  unsigned geomID[8];  
  unsigned primID[8];  
  unsigned instID[8];  
};

RTCORE_ALIGN() [3/3]

struct RTCORE_ALIGN

(

64

)

Ray structure for packets of 16 rays.

< x coordinate of ray origin

< y coordinate of ray origin

< z coordinate of ray origin

< x coordinate of ray direction

< y coordinate of ray direction

< z coordinate of ray direction

< Start of ray segment

< End of ray segment (set to hit distance)

< Time of this ray for motion blur

< Used to mask out objects during traversal

< x coordinate of geometry normal

< y coordinate of geometry normal

< z coordinate of geometry normal

< Barycentric u coordinate of hit

< Barycentric v coordinate of hit

< geometry ID

< primitive ID

< instance ID

{
  /* ray data */
public:
  float orgx[16];  
  float orgy[16];  
  float orgz[16];  
  
  float dirx[16];  
  float diry[16];  
  float dirz[16];  
  
  float tnear[16]; 
  float tfar[16];  
 
  float time[16];  
  unsigned mask[16];  
  
  /* hit data */
public:
  float Ngx[16];   
  float Ngy[16];   
  float Ngz[16];   
  
  float u[16];     
  float v[16];     
  
  unsigned geomID[16];  
  unsigned primID[16];  
  unsigned instID[16];  
};