virtualx-engine/thirdparty/embree/kernels/geometry/roundlinei_intersector.h
2021-01-14 18:02:07 +01:00

136 lines
7 KiB
C++

// ======================================================================== //
// Copyright 2009-2020 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. //
// ======================================================================== //
#pragma once
#include "roundline_intersector.h"
#include "intersector_epilog.h"
namespace embree
{
namespace isa
{
template<int M, int Mx, bool filter>
struct RoundLinearCurveMiIntersector1
{
typedef LineMi<M> Primitive;
typedef CurvePrecalculations1 Precalculations;
static __forceinline void intersect(const Precalculations& pre, RayHit& ray, IntersectContext* context, const Primitive& line)
{
STAT3(normal.trav_prims,1,1,1);
const LineSegments* geom = context->scene->get<LineSegments>(line.geomID());
Vec4vf<M> v0,v1,vL,vR; line.gather(v0,v1,vL,vR,geom);
const vbool<Mx> valid = line.template valid<Mx>();
RoundLinearCurveIntersector1<Mx>::intersect(valid,ray,context,geom,pre,v0,v1,vL,vR,Intersect1EpilogM<M,Mx,filter>(ray,context,line.geomID(),line.primID()));
}
static __forceinline bool occluded(const Precalculations& pre, Ray& ray, IntersectContext* context, const Primitive& line)
{
STAT3(shadow.trav_prims,1,1,1);
const LineSegments* geom = context->scene->get<LineSegments>(line.geomID());
Vec4vf<M> v0,v1,vL,vR; line.gather(v0,v1,vL,vR,geom);
const vbool<Mx> valid = line.template valid<Mx>();
return RoundLinearCurveIntersector1<Mx>::intersect(valid,ray,context,geom,pre,v0,v1,vL,vR,Occluded1EpilogM<M,Mx,filter>(ray,context,line.geomID(),line.primID()));
}
static __forceinline bool pointQuery(PointQuery* query, PointQueryContext* context, const Primitive& line)
{
return PrimitivePointQuery1<Primitive>::pointQuery(query, context, line);
}
};
template<int M, int Mx, bool filter>
struct RoundLinearCurveMiMBIntersector1
{
typedef LineMi<M> Primitive;
typedef CurvePrecalculations1 Precalculations;
static __forceinline void intersect(const Precalculations& pre, RayHit& ray, IntersectContext* context, const Primitive& line)
{
STAT3(normal.trav_prims,1,1,1);
const LineSegments* geom = context->scene->get<LineSegments>(line.geomID());
Vec4vf<M> v0,v1,vL,vR; line.gather(v0,v1,vL,vR,geom,ray.time());
const vbool<Mx> valid = line.template valid<Mx>();
RoundLinearCurveIntersector1<Mx>::intersect(valid,ray,context,geom,pre,v0,v1,vL,vR,Intersect1EpilogM<M,Mx,filter>(ray,context,line.geomID(),line.primID()));
}
static __forceinline bool occluded(const Precalculations& pre, Ray& ray, IntersectContext* context, const Primitive& line)
{
STAT3(shadow.trav_prims,1,1,1);
const LineSegments* geom = context->scene->get<LineSegments>(line.geomID());
Vec4vf<M> v0,v1,vL,vR; line.gather(v0,v1,vL,vR,geom,ray.time());
const vbool<Mx> valid = line.template valid<Mx>();
return RoundLinearCurveIntersector1<Mx>::intersect(valid,ray,context,geom,pre,v0,v1,vL,vR,Occluded1EpilogM<M,Mx,filter>(ray,context,line.geomID(),line.primID()));
}
static __forceinline bool pointQuery(PointQuery* query, PointQueryContext* context, const Primitive& line)
{
return PrimitivePointQuery1<Primitive>::pointQuery(query, context, line);
}
};
template<int M, int Mx, int K, bool filter>
struct RoundLinearCurveMiIntersectorK
{
typedef LineMi<M> Primitive;
typedef CurvePrecalculationsK<K> Precalculations;
static __forceinline void intersect(const Precalculations& pre, RayHitK<K>& ray, size_t k, IntersectContext* context, const Primitive& line)
{
STAT3(normal.trav_prims,1,1,1);
const LineSegments* geom = context->scene->get<LineSegments>(line.geomID());
Vec4vf<M> v0,v1,vL,vR; line.gather(v0,v1,vL,vR,geom);
const vbool<Mx> valid = line.template valid<Mx>();
RoundLinearCurveIntersectorK<Mx,K>::intersect(valid,ray,k,context,geom,pre,v0,v1,vL,vR,Intersect1KEpilogM<M,Mx,K,filter>(ray,k,context,line.geomID(),line.primID()));
}
static __forceinline bool occluded(const Precalculations& pre, RayK<K>& ray, size_t k, IntersectContext* context, const Primitive& line)
{
STAT3(shadow.trav_prims,1,1,1);
const LineSegments* geom = context->scene->get<LineSegments>(line.geomID());
Vec4vf<M> v0,v1,vL,vR; line.gather(v0,v1,vL,vR,geom);
const vbool<Mx> valid = line.template valid<Mx>();
return RoundLinearCurveIntersectorK<Mx,K>::intersect(valid,ray,k,context,geom,pre,v0,v1,vL,vR,Occluded1KEpilogM<M,Mx,K,filter>(ray,k,context,line.geomID(),line.primID()));
}
};
template<int M, int Mx, int K, bool filter>
struct RoundLinearCurveMiMBIntersectorK
{
typedef LineMi<M> Primitive;
typedef CurvePrecalculationsK<K> Precalculations;
static __forceinline void intersect(const Precalculations& pre, RayHitK<K>& ray, size_t k, IntersectContext* context, const Primitive& line)
{
STAT3(normal.trav_prims,1,1,1);
const LineSegments* geom = context->scene->get<LineSegments>(line.geomID());
Vec4vf<M> v0,v1,vL,vR; line.gather(v0,v1,vL,vR,geom,ray.time()[k]);
const vbool<Mx> valid = line.template valid<Mx>();
RoundLinearCurveIntersectorK<Mx,K>::intersect(valid,ray,k,context,geom,pre,v0,v1,vL,vR,Intersect1KEpilogM<M,Mx,K,filter>(ray,k,context,line.geomID(),line.primID()));
}
static __forceinline bool occluded(const Precalculations& pre, RayK<K>& ray, size_t k, IntersectContext* context, const Primitive& line)
{
STAT3(shadow.trav_prims,1,1,1);
const LineSegments* geom = context->scene->get<LineSegments>(line.geomID());
Vec4vf<M> v0,v1,vL,vR; line.gather(v0,v1,vL,vR,geom,ray.time()[k]);
const vbool<Mx> valid = line.template valid<Mx>();
return RoundLinearCurveIntersectorK<Mx,K>::intersect(valid,ray,k,context,geom,pre,v0,v1,vL,vR,Occluded1KEpilogM<M,Mx,K,filter>(ray,k,context,line.geomID(),line.primID()));
}
};
}
}