379 lines
10 KiB
C++
379 lines
10 KiB
C++
// Copyright 2009-2020 Intel Corporation
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// SPDX-License-Identifier: Apache-2.0
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#pragma once
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#include "rtcore_common.h"
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RTC_NAMESPACE_BEGIN
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/* Ray structure for a single ray */
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struct RTC_ALIGN(16) RTCRay
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{
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float org_x; // x coordinate of ray origin
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float org_y; // y coordinate of ray origin
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float org_z; // z coordinate of ray origin
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float tnear; // start of ray segment
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float dir_x; // x coordinate of ray direction
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float dir_y; // y coordinate of ray direction
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float dir_z; // z coordinate of ray direction
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float time; // time of this ray for motion blur
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float tfar; // end of ray segment (set to hit distance)
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unsigned int mask; // ray mask
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unsigned int id; // ray ID
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unsigned int flags; // ray flags
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};
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/* Hit structure for a single ray */
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struct RTC_ALIGN(16) RTCHit
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{
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float Ng_x; // x coordinate of geometry normal
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float Ng_y; // y coordinate of geometry normal
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float Ng_z; // z coordinate of geometry normal
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float u; // barycentric u coordinate of hit
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float v; // barycentric v coordinate of hit
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unsigned int primID; // primitive ID
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unsigned int geomID; // geometry ID
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unsigned int instID[RTC_MAX_INSTANCE_LEVEL_COUNT]; // instance ID
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};
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/* Combined ray/hit structure for a single ray */
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struct RTCRayHit
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{
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struct RTCRay ray;
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struct RTCHit hit;
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};
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/* Ray structure for a packet of 4 rays */
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struct RTC_ALIGN(16) RTCRay4
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{
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float org_x[4];
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float org_y[4];
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float org_z[4];
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float tnear[4];
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float dir_x[4];
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float dir_y[4];
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float dir_z[4];
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float time[4];
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float tfar[4];
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unsigned int mask[4];
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unsigned int id[4];
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unsigned int flags[4];
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};
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/* Hit structure for a packet of 4 rays */
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struct RTC_ALIGN(16) RTCHit4
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{
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float Ng_x[4];
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float Ng_y[4];
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float Ng_z[4];
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float u[4];
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float v[4];
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unsigned int primID[4];
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unsigned int geomID[4];
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unsigned int instID[RTC_MAX_INSTANCE_LEVEL_COUNT][4];
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};
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/* Combined ray/hit structure for a packet of 4 rays */
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struct RTCRayHit4
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{
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struct RTCRay4 ray;
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struct RTCHit4 hit;
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};
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/* Ray structure for a packet of 8 rays */
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struct RTC_ALIGN(32) RTCRay8
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{
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float org_x[8];
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float org_y[8];
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float org_z[8];
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float tnear[8];
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float dir_x[8];
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float dir_y[8];
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float dir_z[8];
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float time[8];
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float tfar[8];
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unsigned int mask[8];
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unsigned int id[8];
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unsigned int flags[8];
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};
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/* Hit structure for a packet of 8 rays */
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struct RTC_ALIGN(32) RTCHit8
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{
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float Ng_x[8];
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float Ng_y[8];
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float Ng_z[8];
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float u[8];
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float v[8];
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unsigned int primID[8];
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unsigned int geomID[8];
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unsigned int instID[RTC_MAX_INSTANCE_LEVEL_COUNT][8];
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};
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/* Combined ray/hit structure for a packet of 8 rays */
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struct RTCRayHit8
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{
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struct RTCRay8 ray;
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struct RTCHit8 hit;
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};
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/* Ray structure for a packet of 16 rays */
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struct RTC_ALIGN(64) RTCRay16
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{
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float org_x[16];
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float org_y[16];
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float org_z[16];
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float tnear[16];
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float dir_x[16];
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float dir_y[16];
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float dir_z[16];
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float time[16];
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float tfar[16];
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unsigned int mask[16];
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unsigned int id[16];
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unsigned int flags[16];
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};
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/* Hit structure for a packet of 16 rays */
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struct RTC_ALIGN(64) RTCHit16
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{
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float Ng_x[16];
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float Ng_y[16];
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float Ng_z[16];
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float u[16];
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float v[16];
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unsigned int primID[16];
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unsigned int geomID[16];
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unsigned int instID[RTC_MAX_INSTANCE_LEVEL_COUNT][16];
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};
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/* Combined ray/hit structure for a packet of 16 rays */
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struct RTCRayHit16
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{
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struct RTCRay16 ray;
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struct RTCHit16 hit;
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};
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/* Ray structure for a packet/stream of N rays in pointer SOA layout */
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struct RTCRayNp
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{
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float* org_x;
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float* org_y;
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float* org_z;
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float* tnear;
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float* dir_x;
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float* dir_y;
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float* dir_z;
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float* time;
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float* tfar;
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unsigned int* mask;
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unsigned int* id;
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unsigned int* flags;
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};
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/* Hit structure for a packet/stream of N rays in pointer SOA layout */
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struct RTCHitNp
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{
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float* Ng_x;
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float* Ng_y;
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float* Ng_z;
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float* u;
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float* v;
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unsigned int* primID;
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unsigned int* geomID;
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unsigned int* instID[RTC_MAX_INSTANCE_LEVEL_COUNT];
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};
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/* Combined ray/hit structure for a packet/stream of N rays in pointer SOA layout */
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struct RTCRayHitNp
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{
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struct RTCRayNp ray;
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struct RTCHitNp hit;
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};
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struct RTCRayN;
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struct RTCHitN;
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struct RTCRayHitN;
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#if defined(__cplusplus)
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/* Helper functions to access ray packets of runtime size N */
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RTC_FORCEINLINE float& RTCRayN_org_x(RTCRayN* ray, unsigned int N, unsigned int i) { return ((float*)ray)[0*N+i]; }
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RTC_FORCEINLINE float& RTCRayN_org_y(RTCRayN* ray, unsigned int N, unsigned int i) { return ((float*)ray)[1*N+i]; }
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RTC_FORCEINLINE float& RTCRayN_org_z(RTCRayN* ray, unsigned int N, unsigned int i) { return ((float*)ray)[2*N+i]; }
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RTC_FORCEINLINE float& RTCRayN_tnear(RTCRayN* ray, unsigned int N, unsigned int i) { return ((float*)ray)[3*N+i]; }
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RTC_FORCEINLINE float& RTCRayN_dir_x(RTCRayN* ray, unsigned int N, unsigned int i) { return ((float*)ray)[4*N+i]; }
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RTC_FORCEINLINE float& RTCRayN_dir_y(RTCRayN* ray, unsigned int N, unsigned int i) { return ((float*)ray)[5*N+i]; }
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RTC_FORCEINLINE float& RTCRayN_dir_z(RTCRayN* ray, unsigned int N, unsigned int i) { return ((float*)ray)[6*N+i]; }
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RTC_FORCEINLINE float& RTCRayN_time (RTCRayN* ray, unsigned int N, unsigned int i) { return ((float*)ray)[7*N+i]; }
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RTC_FORCEINLINE float& RTCRayN_tfar (RTCRayN* ray, unsigned int N, unsigned int i) { return ((float*)ray)[8*N+i]; }
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RTC_FORCEINLINE unsigned int& RTCRayN_mask (RTCRayN* ray, unsigned int N, unsigned int i) { return ((unsigned*)ray)[9*N+i]; }
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RTC_FORCEINLINE unsigned int& RTCRayN_id (RTCRayN* ray, unsigned int N, unsigned int i) { return ((unsigned*)ray)[10*N+i]; }
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RTC_FORCEINLINE unsigned int& RTCRayN_flags(RTCRayN* ray, unsigned int N, unsigned int i) { return ((unsigned*)ray)[11*N+i]; }
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/* Helper functions to access hit packets of runtime size N */
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RTC_FORCEINLINE float& RTCHitN_Ng_x(RTCHitN* hit, unsigned int N, unsigned int i) { return ((float*)hit)[0*N+i]; }
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RTC_FORCEINLINE float& RTCHitN_Ng_y(RTCHitN* hit, unsigned int N, unsigned int i) { return ((float*)hit)[1*N+i]; }
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RTC_FORCEINLINE float& RTCHitN_Ng_z(RTCHitN* hit, unsigned int N, unsigned int i) { return ((float*)hit)[2*N+i]; }
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RTC_FORCEINLINE float& RTCHitN_u(RTCHitN* hit, unsigned int N, unsigned int i) { return ((float*)hit)[3*N+i]; }
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RTC_FORCEINLINE float& RTCHitN_v(RTCHitN* hit, unsigned int N, unsigned int i) { return ((float*)hit)[4*N+i]; }
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RTC_FORCEINLINE unsigned int& RTCHitN_primID(RTCHitN* hit, unsigned int N, unsigned int i) { return ((unsigned*)hit)[5*N+i]; }
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RTC_FORCEINLINE unsigned int& RTCHitN_geomID(RTCHitN* hit, unsigned int N, unsigned int i) { return ((unsigned*)hit)[6*N+i]; }
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RTC_FORCEINLINE unsigned int& RTCHitN_instID(RTCHitN* hit, unsigned int N, unsigned int i, unsigned int l) { return ((unsigned*)hit)[7*N+i+N*l]; }
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/* Helper functions to extract RTCRayN and RTCHitN from RTCRayHitN */
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RTC_FORCEINLINE RTCRayN* RTCRayHitN_RayN(RTCRayHitN* rayhit, unsigned int N) { return (RTCRayN*)&((float*)rayhit)[0*N]; }
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RTC_FORCEINLINE RTCHitN* RTCRayHitN_HitN(RTCRayHitN* rayhit, unsigned int N) { return (RTCHitN*)&((float*)rayhit)[12*N]; }
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/* Helper structure for a ray packet of compile-time size N */
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template<int N>
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struct RTCRayNt
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{
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float org_x[N];
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float org_y[N];
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float org_z[N];
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float tnear[N];
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float dir_x[N];
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float dir_y[N];
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float dir_z[N];
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float time[N];
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float tfar[N];
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unsigned int mask[N];
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unsigned int id[N];
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unsigned int flags[N];
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};
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/* Helper structure for a hit packet of compile-time size N */
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template<int N>
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struct RTCHitNt
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{
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float Ng_x[N];
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float Ng_y[N];
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float Ng_z[N];
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float u[N];
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float v[N];
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unsigned int primID[N];
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unsigned int geomID[N];
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unsigned int instID[RTC_MAX_INSTANCE_LEVEL_COUNT][N];
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};
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/* Helper structure for a combined ray/hit packet of compile-time size N */
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template<int N>
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struct RTCRayHitNt
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{
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RTCRayNt<N> ray;
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RTCHitNt<N> hit;
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};
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RTC_FORCEINLINE RTCRay rtcGetRayFromRayN(RTCRayN* rayN, unsigned int N, unsigned int i)
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{
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RTCRay ray;
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ray.org_x = RTCRayN_org_x(rayN,N,i);
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ray.org_y = RTCRayN_org_y(rayN,N,i);
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ray.org_z = RTCRayN_org_z(rayN,N,i);
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ray.tnear = RTCRayN_tnear(rayN,N,i);
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ray.dir_x = RTCRayN_dir_x(rayN,N,i);
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ray.dir_y = RTCRayN_dir_y(rayN,N,i);
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ray.dir_z = RTCRayN_dir_z(rayN,N,i);
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ray.time = RTCRayN_time(rayN,N,i);
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ray.tfar = RTCRayN_tfar(rayN,N,i);
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ray.mask = RTCRayN_mask(rayN,N,i);
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ray.id = RTCRayN_id(rayN,N,i);
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ray.flags = RTCRayN_flags(rayN,N,i);
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return ray;
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}
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RTC_FORCEINLINE RTCHit rtcGetHitFromHitN(RTCHitN* hitN, unsigned int N, unsigned int i)
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{
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RTCHit hit;
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hit.Ng_x = RTCHitN_Ng_x(hitN,N,i);
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hit.Ng_y = RTCHitN_Ng_y(hitN,N,i);
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hit.Ng_z = RTCHitN_Ng_z(hitN,N,i);
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hit.u = RTCHitN_u(hitN,N,i);
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hit.v = RTCHitN_v(hitN,N,i);
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hit.primID = RTCHitN_primID(hitN,N,i);
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hit.geomID = RTCHitN_geomID(hitN,N,i);
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for (unsigned int l = 0; l < RTC_MAX_INSTANCE_LEVEL_COUNT; l++)
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hit.instID[l] = RTCHitN_instID(hitN,N,i,l);
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return hit;
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}
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RTC_FORCEINLINE void rtcCopyHitToHitN(RTCHitN* hitN, const RTCHit* hit, unsigned int N, unsigned int i)
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{
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RTCHitN_Ng_x(hitN,N,i) = hit->Ng_x;
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RTCHitN_Ng_y(hitN,N,i) = hit->Ng_y;
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RTCHitN_Ng_z(hitN,N,i) = hit->Ng_z;
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RTCHitN_u(hitN,N,i) = hit->u;
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RTCHitN_v(hitN,N,i) = hit->v;
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RTCHitN_primID(hitN,N,i) = hit->primID;
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RTCHitN_geomID(hitN,N,i) = hit->geomID;
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for (unsigned int l = 0; l < RTC_MAX_INSTANCE_LEVEL_COUNT; l++)
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RTCHitN_instID(hitN,N,i,l) = hit->instID[l];
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}
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RTC_FORCEINLINE RTCRayHit rtcGetRayHitFromRayHitN(RTCRayHitN* rayhitN, unsigned int N, unsigned int i)
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{
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RTCRayHit rh;
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RTCRayN* ray = RTCRayHitN_RayN(rayhitN,N);
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rh.ray.org_x = RTCRayN_org_x(ray,N,i);
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rh.ray.org_y = RTCRayN_org_y(ray,N,i);
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rh.ray.org_z = RTCRayN_org_z(ray,N,i);
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rh.ray.tnear = RTCRayN_tnear(ray,N,i);
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rh.ray.dir_x = RTCRayN_dir_x(ray,N,i);
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rh.ray.dir_y = RTCRayN_dir_y(ray,N,i);
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rh.ray.dir_z = RTCRayN_dir_z(ray,N,i);
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rh.ray.time = RTCRayN_time(ray,N,i);
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rh.ray.tfar = RTCRayN_tfar(ray,N,i);
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rh.ray.mask = RTCRayN_mask(ray,N,i);
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rh.ray.id = RTCRayN_id(ray,N,i);
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rh.ray.flags = RTCRayN_flags(ray,N,i);
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RTCHitN* hit = RTCRayHitN_HitN(rayhitN,N);
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rh.hit.Ng_x = RTCHitN_Ng_x(hit,N,i);
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rh.hit.Ng_y = RTCHitN_Ng_y(hit,N,i);
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rh.hit.Ng_z = RTCHitN_Ng_z(hit,N,i);
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rh.hit.u = RTCHitN_u(hit,N,i);
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rh.hit.v = RTCHitN_v(hit,N,i);
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rh.hit.primID = RTCHitN_primID(hit,N,i);
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rh.hit.geomID = RTCHitN_geomID(hit,N,i);
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for (unsigned int l = 0; l < RTC_MAX_INSTANCE_LEVEL_COUNT; l++)
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rh.hit.instID[l] = RTCHitN_instID(hit,N,i,l);
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return rh;
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}
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#endif
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RTC_NAMESPACE_END
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