// Copyright 2009-2021 Intel Corporation // SPDX-License-Identifier: Apache-2.0 #pragma once #include "../common/default.h" #include "bezier_curve.h" namespace embree { template<typename Vertex> struct HermiteCurveT : BezierCurveT<Vertex> { __forceinline HermiteCurveT() {} __forceinline HermiteCurveT(const BezierCurveT<Vertex>& curve) : BezierCurveT<Vertex>(curve) {} __forceinline HermiteCurveT(const Vertex& v0, const Vertex& t0, const Vertex& v1, const Vertex& t1) : BezierCurveT<Vertex>(v0,madd(1.0f/3.0f,t0,v0),nmadd(1.0f/3.0f,t1,v1),v1) {} __forceinline HermiteCurveT<Vec3ff> xfm_pr(const LinearSpace3fa& space, const Vec3fa& p) const { const Vec3ff q0(xfmVector(space,this->v0-p), this->v0.w); const Vec3ff q1(xfmVector(space,this->v1-p), this->v1.w); const Vec3ff q2(xfmVector(space,this->v2-p), this->v2.w); const Vec3ff q3(xfmVector(space,this->v3-p), this->v3.w); return BezierCurveT<Vec3ff>(q0,q1,q2,q3); } }; template<typename CurveGeometry> __forceinline HermiteCurveT<Vec3ff> enlargeRadiusToMinWidth(const IntersectContext* context, const CurveGeometry* geom, const Vec3fa& ray_org, const HermiteCurveT<Vec3ff>& curve) { return HermiteCurveT<Vec3ff>(enlargeRadiusToMinWidth(context,geom,ray_org,BezierCurveT<Vec3ff>(curve))); } typedef HermiteCurveT<Vec3fa> HermiteCurve3fa; }