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// Copyright 2009-2020 Intel Corporation
// SPDX-License-Identifier: Apache-2.0
#pragma once
#include "triangle.h"
#include "triangle_intersector_pluecker.h"
#include "triangle_intersector_moeller.h"
#include "triangle_intersector_woop.h"
namespace embree
{
namespace isa
{
/*! Intersects M triangles with 1 ray */
template<int M, int Mx, bool filter>
struct TriangleMvIntersector1Moeller
{
typedef TriangleMv<M> Primitive;
typedef MoellerTrumboreIntersector1<Mx> Precalculations;
/*! Intersect a ray with M triangles and updates the hit. */
static __forceinline void intersect(Precalculations& pre, RayHit& ray, IntersectContext* context, const Primitive& tri)
{
STAT3(normal.trav_prims,1,1,1);
pre.intersect(ray,tri.v0,tri.v1,tri.v2,/*UVIdentity<Mx>(),*/Intersect1EpilogM<M,Mx,filter>(ray,context,tri.geomID(),tri.primID()));
}
/*! Test if the ray is occluded by one of the M triangles. */
static __forceinline bool occluded(const Precalculations& pre, Ray& ray, IntersectContext* context, const Primitive& tri)
{
STAT3(shadow.trav_prims,1,1,1);
return pre.intersect(ray,tri.v0,tri.v1,tri.v2,/*UVIdentity<Mx>(),*/Occluded1EpilogM<M,Mx,filter>(ray,context,tri.geomID(),tri.primID()));
}
static __forceinline bool pointQuery(PointQuery* query, PointQueryContext* context, const Primitive& tri)
{
return PrimitivePointQuery1<Primitive>::pointQuery(query, context, tri);
}
};
template<int M, int Mx, bool filter>
struct TriangleMvIntersector1Woop
{
typedef TriangleMv<M> Primitive;
typedef WoopIntersector1<Mx> intersec;
typedef WoopPrecalculations1<M> Precalculations;
/*! Intersect a ray with M triangles and updates the hit. */
static __forceinline void intersect(const Precalculations& pre, RayHit& ray, IntersectContext* context, const Primitive& tri)
{
STAT3(normal.trav_prims,1,1,1);
intersec::intersect(ray,pre,tri.v0,tri.v1,tri.v2,Intersect1EpilogM<M,Mx,filter>(ray,context,tri.geomID(),tri.primID()));
}
/*! Test if the ray is occluded by one of the M triangles. */
static __forceinline bool occluded(const Precalculations& pre, Ray& ray, IntersectContext* context, const Primitive& tri)
{
STAT3(shadow.trav_prims,1,1,1);
return intersec::intersect(ray,pre,tri.v0,tri.v1,tri.v2,Occluded1EpilogM<M,Mx,filter>(ray,context,tri.geomID(),tri.primID()));
}
static __forceinline bool pointQuery(PointQuery* query, PointQueryContext* context, const Primitive& tri)
{
return PrimitivePointQuery1<Primitive>::pointQuery(query, context, tri);
}
};
/*! Intersects M triangles with K rays */
template<int M, int Mx, int K, bool filter>
struct TriangleMvIntersectorKMoeller
{
typedef TriangleMv<M> Primitive;
typedef MoellerTrumboreIntersectorK<Mx,K> Precalculations;
/*! Intersects K rays with M triangles. */
static __forceinline void intersect(const vbool<K>& valid_i, Precalculations& pre, RayHitK<K>& ray, IntersectContext* context, const Primitive& tri)
{
for (size_t i=0; i<M; i++)
{
if (!tri.valid(i)) break;
STAT3(normal.trav_prims,1,popcnt(valid_i),K);
const Vec3vf<K> v0 = broadcast<vfloat<K>>(tri.v0,i);
const Vec3vf<K> v1 = broadcast<vfloat<K>>(tri.v1,i);
const Vec3vf<K> v2 = broadcast<vfloat<K>>(tri.v2,i);
pre.intersectK(valid_i,ray,v0,v1,v2,/*UVIdentity<K>(),*/IntersectKEpilogM<M,K,filter>(ray,context,tri.geomID(),tri.primID(),i));
}
}
/*! Test for K rays if they are occluded by any of the M triangles. */
static __forceinline vbool<K> occluded(const vbool<K>& valid_i, Precalculations& pre, RayK<K>& ray, IntersectContext* context, const Primitive& tri)
{
vbool<K> valid0 = valid_i;
for (size_t i=0; i<M; i++)
{
if (!tri.valid(i)) break;
STAT3(shadow.trav_prims,1,popcnt(valid_i),K);
const Vec3vf<K> v0 = broadcast<vfloat<K>>(tri.v0,i);
const Vec3vf<K> v1 = broadcast<vfloat<K>>(tri.v1,i);
const Vec3vf<K> v2 = broadcast<vfloat<K>>(tri.v2,i);
pre.intersectK(valid0,ray,v0,v1,v2,/*UVIdentity<K>(),*/OccludedKEpilogM<M,K,filter>(valid0,ray,context,tri.geomID(),tri.primID(),i));
if (none(valid0)) break;
}
return !valid0;
}
/*! Intersect a ray with M triangles and updates the hit. */
static __forceinline void intersect(Precalculations& pre, RayHitK<K>& ray, size_t k, IntersectContext* context, const Primitive& tri)
{
STAT3(normal.trav_prims,1,1,1);
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
}
/*! Test if the ray is occluded by one of the M triangles. */
static __forceinline bool occluded(Precalculations& pre, RayK<K>& ray, size_t k, IntersectContext* context, const Primitive& tri)
{
STAT3(shadow.trav_prims,1,1,1);
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
}
};
/*! Intersects M triangles with 1 ray */
template<int M, int Mx, bool filter>
struct TriangleMvIntersector1Pluecker
{
typedef TriangleMv<M> Primitive;
typedef PlueckerIntersector1<Mx> Precalculations;
/*! Intersect a ray with M triangles and updates the hit. */
static __forceinline void intersect(Precalculations& pre, RayHit& ray, IntersectContext* context, const Primitive& tri)
{
STAT3(normal.trav_prims,1,1,1);
pre.intersect(ray,tri.v0,tri.v1,tri.v2,UVIdentity<Mx>(),Intersect1EpilogM<M,Mx,filter>(ray,context,tri.geomID(),tri.primID()));
}
/*! Test if the ray is occluded by one of the M triangles. */
static __forceinline bool occluded(const Precalculations& pre, Ray& ray, IntersectContext* context, const Primitive& tri)
{
STAT3(shadow.trav_prims,1,1,1);
return pre.intersect(ray,tri.v0,tri.v1,tri.v2,UVIdentity<Mx>(),Occluded1EpilogM<M,Mx,filter>(ray,context,tri.geomID(),tri.primID()));
}
static __forceinline bool pointQuery(PointQuery* query, PointQueryContext* context, const Primitive& tri)
{
return PrimitivePointQuery1<Primitive>::pointQuery(query, context, tri);
}
};
/*! Intersects M triangles with K rays */
template<int M, int Mx, int K, bool filter>
struct TriangleMvIntersectorKPluecker
{
typedef TriangleMv<M> Primitive;
typedef PlueckerIntersectorK<Mx,K> Precalculations;
/*! Intersects K rays with M triangles. */
static __forceinline void intersect(const vbool<K>& valid_i, Precalculations& pre, RayHitK<K>& ray, IntersectContext* context, const Primitive& tri)
{
for (size_t i=0; i<M; i++)
{
if (!tri.valid(i)) break;
STAT3(normal.trav_prims,1,popcnt(valid_i),K);
const Vec3vf<K> v0 = broadcast<vfloat<K>>(tri.v0,i);
const Vec3vf<K> v1 = broadcast<vfloat<K>>(tri.v1,i);
const Vec3vf<K> v2 = broadcast<vfloat<K>>(tri.v2,i);
pre.intersectK(valid_i,ray,v0,v1,v2,UVIdentity<K>(),IntersectKEpilogM<M,K,filter>(ray,context,tri.geomID(),tri.primID(),i));
}
}
/*! Test for K rays if they are occluded by any of the M triangles. */
static __forceinline vbool<K> occluded(const vbool<K>& valid_i, Precalculations& pre, RayK<K>& ray, IntersectContext* context, const Primitive& tri)
{
vbool<K> valid0 = valid_i;
for (size_t i=0; i<M; i++)
{
if (!tri.valid(i)) break;
STAT3(shadow.trav_prims,1,popcnt(valid_i),K);
const Vec3vf<K> v0 = broadcast<vfloat<K>>(tri.v0,i);
const Vec3vf<K> v1 = broadcast<vfloat<K>>(tri.v1,i);
const Vec3vf<K> v2 = broadcast<vfloat<K>>(tri.v2,i);
pre.intersectK(valid0,ray,v0,v1,v2,UVIdentity<K>(),OccludedKEpilogM<M,K,filter>(valid0,ray,context,tri.geomID(),tri.primID(),i));
if (none(valid0)) break;
}
return !valid0;
}
/*! Intersect a ray with M triangles and updates the hit. */
static __forceinline void intersect(Precalculations& pre, RayHitK<K>& ray, size_t k, IntersectContext* context, const Primitive& tri)
{
STAT3(normal.trav_prims,1,1,1);
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
}
/*! Test if the ray is occluded by one of the M triangles. */
static __forceinline bool occluded(Precalculations& pre, RayK<K>& ray, size_t k, IntersectContext* context, const Primitive& tri)
{
STAT3(shadow.trav_prims,1,1,1);
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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