BambuStudio/libigl/igl/embree/embree2/rtcore_ray.h

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// ======================================================================== //
// Copyright 2009-2015 Intel Corporation //
// //
// Licensed under the Apache License, Version 2.0 (the "License"); //
// you may not use this file except in compliance with the License. //
// You may obtain a copy of the License at //
// //
// http://www.apache.org/licenses/LICENSE-2.0 //
// //
// Unless required by applicable law or agreed to in writing, software //
// distributed under the License is distributed on an "AS IS" BASIS, //
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. //
// See the License for the specific language governing permissions and //
// limitations under the License. //
// ======================================================================== //
#ifndef __RTCORE_RAY_H__
#define __RTCORE_RAY_H__
/*! \ingroup embree_kernel_api */
/*! \{ */
/*! \brief Ray structure for an individual ray */
struct RTCORE_ALIGN(16) RTCRay
{
/* ray data */
public:
float org[3]; //!< Ray origin
float align0;
float dir[3]; //!< Ray direction
float align1;
float tnear; //!< Start of ray segment
float tfar; //!< End of ray segment (set to hit distance)
float time; //!< Time of this ray for motion blur
unsigned mask; //!< Used to mask out objects during traversal
/* hit data */
public:
float Ng[3]; //!< Unnormalized geometry normal
float align2;
float u; //!< Barycentric u coordinate of hit
float v; //!< Barycentric v coordinate of hit
unsigned geomID; //!< geometry ID
unsigned primID; //!< primitive ID
unsigned instID; //!< instance ID
};
/*! Ray structure for packets of 4 rays. */
struct RTCORE_ALIGN(16) RTCRay4
{
/* ray data */
public:
float orgx[4]; //!< x coordinate of ray origin
float orgy[4]; //!< y coordinate of ray origin
float orgz[4]; //!< z coordinate of ray origin
float dirx[4]; //!< x coordinate of ray direction
float diry[4]; //!< y coordinate of ray direction
float dirz[4]; //!< z coordinate of ray direction
float tnear[4]; //!< Start of ray segment
float tfar[4]; //!< End of ray segment (set to hit distance)
float time[4]; //!< Time of this ray for motion blur
unsigned mask[4]; //!< Used to mask out objects during traversal
/* hit data */
public:
float Ngx[4]; //!< x coordinate of geometry normal
float Ngy[4]; //!< y coordinate of geometry normal
float Ngz[4]; //!< z coordinate of geometry normal
float u[4]; //!< Barycentric u coordinate of hit
float v[4]; //!< Barycentric v coordinate of hit
unsigned geomID[4]; //!< geometry ID
unsigned primID[4]; //!< primitive ID
unsigned instID[4]; //!< instance ID
};
/*! Ray structure for packets of 8 rays. */
struct RTCORE_ALIGN(32) RTCRay8
{
/* ray data */
public:
float orgx[8]; //!< x coordinate of ray origin
float orgy[8]; //!< y coordinate of ray origin
float orgz[8]; //!< z coordinate of ray origin
float dirx[8]; //!< x coordinate of ray direction
float diry[8]; //!< y coordinate of ray direction
float dirz[8]; //!< z coordinate of ray direction
float tnear[8]; //!< Start of ray segment
float tfar[8]; //!< End of ray segment (set to hit distance)
float time[8]; //!< Time of this ray for motion blur
unsigned mask[8]; //!< Used to mask out objects during traversal
/* hit data */
public:
float Ngx[8]; //!< x coordinate of geometry normal
float Ngy[8]; //!< y coordinate of geometry normal
float Ngz[8]; //!< z coordinate of geometry normal
float u[8]; //!< Barycentric u coordinate of hit
float v[8]; //!< Barycentric v coordinate of hit
unsigned geomID[8]; //!< geometry ID
unsigned primID[8]; //!< primitive ID
unsigned instID[8]; //!< instance ID
};
/*! \brief Ray structure for packets of 16 rays. */
struct RTCORE_ALIGN(64) RTCRay16
{
/* ray data */
public:
float orgx[16]; //!< x coordinate of ray origin
float orgy[16]; //!< y coordinate of ray origin
float orgz[16]; //!< z coordinate of ray origin
float dirx[16]; //!< x coordinate of ray direction
float diry[16]; //!< y coordinate of ray direction
float dirz[16]; //!< z coordinate of ray direction
float tnear[16]; //!< Start of ray segment
float tfar[16]; //!< End of ray segment (set to hit distance)
float time[16]; //!< Time of this ray for motion blur
unsigned mask[16]; //!< Used to mask out objects during traversal
/* hit data */
public:
float Ngx[16]; //!< x coordinate of geometry normal
float Ngy[16]; //!< y coordinate of geometry normal
float Ngz[16]; //!< z coordinate of geometry normal
float u[16]; //!< Barycentric u coordinate of hit
float v[16]; //!< Barycentric v coordinate of hit
unsigned geomID[16]; //!< geometry ID
unsigned primID[16]; //!< primitive ID
unsigned instID[16]; //!< instance ID
};
/*! \brief Ray structure template for packets of N rays in SOA layout. */
struct RTCRaySOA
{
/* ray data */
public:
float* orgx; //!< x coordinate of ray origin
float* orgy; //!< y coordinate of ray origin
float* orgz; //!< z coordinate of ray origin
float* dirx; //!< x coordinate of ray direction
float* diry; //!< y coordinate of ray direction
float* dirz; //!< z coordinate of ray direction
float* tnear; //!< Start of ray segment (optional)
float* tfar; //!< End of ray segment (set to hit distance)
float* time; //!< Time of this ray for motion blur (optional)
unsigned* mask; //!< Used to mask out objects during traversal (optional)
/* hit data */
public:
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* u; //!< Barycentric u coordinate of hit
float* v; //!< Barycentric v coordinate of hit
unsigned* geomID; //!< geometry ID
unsigned* primID; //!< primitive ID
unsigned* instID; //!< instance ID (optional)
};
/*! @} */
#endif