207 lines
9 KiB
C++
207 lines
9 KiB
C++
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// 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 "triangle.h"
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#include "triangle_intersector_pluecker.h"
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#include "triangle_intersector_moeller.h"
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#include "triangle_intersector_woop.h"
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namespace embree
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{
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namespace isa
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{
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/*! Intersects M triangles with 1 ray */
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template<int M, int Mx, bool filter>
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struct TriangleMvIntersector1Moeller
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{
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typedef TriangleMv<M> Primitive;
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typedef MoellerTrumboreIntersector1<Mx> Precalculations;
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/*! Intersect a ray with M triangles and updates the hit. */
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static __forceinline void intersect(Precalculations& pre, RayHit& ray, IntersectContext* context, const Primitive& tri)
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{
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STAT3(normal.trav_prims,1,1,1);
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pre.intersect(ray,tri.v0,tri.v1,tri.v2,/*UVIdentity<Mx>(),*/Intersect1EpilogM<M,Mx,filter>(ray,context,tri.geomID(),tri.primID()));
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}
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/*! Test if the ray is occluded by one of the M triangles. */
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static __forceinline bool occluded(const Precalculations& pre, Ray& ray, IntersectContext* context, const Primitive& tri)
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{
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STAT3(shadow.trav_prims,1,1,1);
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return pre.intersect(ray,tri.v0,tri.v1,tri.v2,/*UVIdentity<Mx>(),*/Occluded1EpilogM<M,Mx,filter>(ray,context,tri.geomID(),tri.primID()));
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}
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static __forceinline bool pointQuery(PointQuery* query, PointQueryContext* context, const Primitive& tri)
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{
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return PrimitivePointQuery1<Primitive>::pointQuery(query, context, tri);
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}
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};
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template<int M, int Mx, bool filter>
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struct TriangleMvIntersector1Woop
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{
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typedef TriangleMv<M> Primitive;
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typedef WoopIntersector1<Mx> intersec;
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typedef WoopPrecalculations1<M> Precalculations;
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/*! Intersect a ray with M triangles and updates the hit. */
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static __forceinline void intersect(const Precalculations& pre, RayHit& ray, IntersectContext* context, const Primitive& tri)
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{
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STAT3(normal.trav_prims,1,1,1);
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intersec::intersect(ray,pre,tri.v0,tri.v1,tri.v2,Intersect1EpilogM<M,Mx,filter>(ray,context,tri.geomID(),tri.primID()));
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}
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/*! Test if the ray is occluded by one of the M triangles. */
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static __forceinline bool occluded(const Precalculations& pre, Ray& ray, IntersectContext* context, const Primitive& tri)
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{
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STAT3(shadow.trav_prims,1,1,1);
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return intersec::intersect(ray,pre,tri.v0,tri.v1,tri.v2,Occluded1EpilogM<M,Mx,filter>(ray,context,tri.geomID(),tri.primID()));
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}
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static __forceinline bool pointQuery(PointQuery* query, PointQueryContext* context, const Primitive& tri)
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{
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return PrimitivePointQuery1<Primitive>::pointQuery(query, context, tri);
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}
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};
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/*! Intersects M triangles with K rays */
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template<int M, int Mx, int K, bool filter>
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struct TriangleMvIntersectorKMoeller
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{
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typedef TriangleMv<M> Primitive;
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typedef MoellerTrumboreIntersectorK<Mx,K> Precalculations;
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/*! Intersects K rays with M triangles. */
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static __forceinline void intersect(const vbool<K>& valid_i, Precalculations& pre, RayHitK<K>& ray, IntersectContext* context, const Primitive& tri)
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{
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for (size_t i=0; i<M; i++)
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{
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if (!tri.valid(i)) break;
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STAT3(normal.trav_prims,1,popcnt(valid_i),K);
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const Vec3vf<K> v0 = broadcast<vfloat<K>>(tri.v0,i);
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const Vec3vf<K> v1 = broadcast<vfloat<K>>(tri.v1,i);
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const Vec3vf<K> v2 = broadcast<vfloat<K>>(tri.v2,i);
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pre.intersectK(valid_i,ray,v0,v1,v2,/*UVIdentity<K>(),*/IntersectKEpilogM<M,K,filter>(ray,context,tri.geomID(),tri.primID(),i));
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}
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}
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/*! Test for K rays if they are occluded by any of the M triangles. */
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static __forceinline vbool<K> occluded(const vbool<K>& valid_i, Precalculations& pre, RayK<K>& ray, IntersectContext* context, const Primitive& tri)
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{
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vbool<K> valid0 = valid_i;
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for (size_t i=0; i<M; i++)
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{
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if (!tri.valid(i)) break;
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STAT3(shadow.trav_prims,1,popcnt(valid_i),K);
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const Vec3vf<K> v0 = broadcast<vfloat<K>>(tri.v0,i);
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const Vec3vf<K> v1 = broadcast<vfloat<K>>(tri.v1,i);
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const Vec3vf<K> v2 = broadcast<vfloat<K>>(tri.v2,i);
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pre.intersectK(valid0,ray,v0,v1,v2,/*UVIdentity<K>(),*/OccludedKEpilogM<M,K,filter>(valid0,ray,context,tri.geomID(),tri.primID(),i));
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if (none(valid0)) break;
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}
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return !valid0;
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}
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/*! Intersect a ray with M triangles and updates the hit. */
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static __forceinline void intersect(Precalculations& pre, RayHitK<K>& ray, size_t k, IntersectContext* context, const Primitive& tri)
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{
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STAT3(normal.trav_prims,1,1,1);
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pre.intersect(ray,k,tri.v0,tri.v1,tri.v2,/*UVIdentity<Mx>(),*/Intersect1KEpilogM<M,Mx,K,filter>(ray,k,context,tri.geomID(),tri.primID())); //FIXME: M,Mx
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}
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/*! Test if the ray is occluded by one of the M triangles. */
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static __forceinline bool occluded(Precalculations& pre, RayK<K>& ray, size_t k, IntersectContext* context, const Primitive& tri)
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{
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STAT3(shadow.trav_prims,1,1,1);
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return pre.intersect(ray,k,tri.v0,tri.v1,tri.v2,/*UVIdentity<Mx>(),*/Occluded1KEpilogM<M,Mx,K,filter>(ray,k,context,tri.geomID(),tri.primID())); //FIXME: M,Mx
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}
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};
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/*! Intersects M triangles with 1 ray */
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template<int M, int Mx, bool filter>
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struct TriangleMvIntersector1Pluecker
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{
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typedef TriangleMv<M> Primitive;
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typedef PlueckerIntersector1<Mx> Precalculations;
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/*! Intersect a ray with M triangles and updates the hit. */
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static __forceinline void intersect(Precalculations& pre, RayHit& ray, IntersectContext* context, const Primitive& tri)
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{
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STAT3(normal.trav_prims,1,1,1);
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pre.intersect(ray,tri.v0,tri.v1,tri.v2,UVIdentity<Mx>(),Intersect1EpilogM<M,Mx,filter>(ray,context,tri.geomID(),tri.primID()));
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}
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/*! Test if the ray is occluded by one of the M triangles. */
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static __forceinline bool occluded(const Precalculations& pre, Ray& ray, IntersectContext* context, const Primitive& tri)
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{
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STAT3(shadow.trav_prims,1,1,1);
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return pre.intersect(ray,tri.v0,tri.v1,tri.v2,UVIdentity<Mx>(),Occluded1EpilogM<M,Mx,filter>(ray,context,tri.geomID(),tri.primID()));
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}
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static __forceinline bool pointQuery(PointQuery* query, PointQueryContext* context, const Primitive& tri)
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{
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return PrimitivePointQuery1<Primitive>::pointQuery(query, context, tri);
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}
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};
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/*! Intersects M triangles with K rays */
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template<int M, int Mx, int K, bool filter>
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struct TriangleMvIntersectorKPluecker
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{
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typedef TriangleMv<M> Primitive;
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typedef PlueckerIntersectorK<Mx,K> Precalculations;
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/*! Intersects K rays with M triangles. */
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static __forceinline void intersect(const vbool<K>& valid_i, Precalculations& pre, RayHitK<K>& ray, IntersectContext* context, const Primitive& tri)
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{
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for (size_t i=0; i<M; i++)
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{
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if (!tri.valid(i)) break;
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STAT3(normal.trav_prims,1,popcnt(valid_i),K);
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const Vec3vf<K> v0 = broadcast<vfloat<K>>(tri.v0,i);
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const Vec3vf<K> v1 = broadcast<vfloat<K>>(tri.v1,i);
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const Vec3vf<K> v2 = broadcast<vfloat<K>>(tri.v2,i);
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pre.intersectK(valid_i,ray,v0,v1,v2,UVIdentity<K>(),IntersectKEpilogM<M,K,filter>(ray,context,tri.geomID(),tri.primID(),i));
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}
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}
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/*! Test for K rays if they are occluded by any of the M triangles. */
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static __forceinline vbool<K> occluded(const vbool<K>& valid_i, Precalculations& pre, RayK<K>& ray, IntersectContext* context, const Primitive& tri)
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{
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vbool<K> valid0 = valid_i;
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for (size_t i=0; i<M; i++)
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{
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if (!tri.valid(i)) break;
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STAT3(shadow.trav_prims,1,popcnt(valid_i),K);
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const Vec3vf<K> v0 = broadcast<vfloat<K>>(tri.v0,i);
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const Vec3vf<K> v1 = broadcast<vfloat<K>>(tri.v1,i);
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const Vec3vf<K> v2 = broadcast<vfloat<K>>(tri.v2,i);
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pre.intersectK(valid0,ray,v0,v1,v2,UVIdentity<K>(),OccludedKEpilogM<M,K,filter>(valid0,ray,context,tri.geomID(),tri.primID(),i));
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if (none(valid0)) break;
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}
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return !valid0;
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}
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/*! Intersect a ray with M triangles and updates the hit. */
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static __forceinline void intersect(Precalculations& pre, RayHitK<K>& ray, size_t k, IntersectContext* context, const Primitive& tri)
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{
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STAT3(normal.trav_prims,1,1,1);
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pre.intersect(ray,k,tri.v0,tri.v1,tri.v2,UVIdentity<Mx>(),Intersect1KEpilogM<M,Mx,K,filter>(ray,k,context,tri.geomID(),tri.primID())); //FIXME: M,Mx
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}
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/*! Test if the ray is occluded by one of the M triangles. */
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static __forceinline bool occluded(Precalculations& pre, RayK<K>& ray, size_t k, IntersectContext* context, const Primitive& tri)
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{
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STAT3(shadow.trav_prims,1,1,1);
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return pre.intersect(ray,k,tri.v0,tri.v1,tri.v2,UVIdentity<Mx>(),Occluded1KEpilogM<M,Mx,K,filter>(ray,k,context,tri.geomID(),tri.primID())); //FIXME: M,Mx
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}
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};
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}
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}
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