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-rw-r--r--thirdparty/embree/kernels/geometry/curveNi_intersector.h569
1 files changed, 569 insertions, 0 deletions
diff --git a/thirdparty/embree/kernels/geometry/curveNi_intersector.h b/thirdparty/embree/kernels/geometry/curveNi_intersector.h
new file mode 100644
index 0000000000..c0b66515c1
--- /dev/null
+++ b/thirdparty/embree/kernels/geometry/curveNi_intersector.h
@@ -0,0 +1,569 @@
+// Copyright 2009-2021 Intel Corporation
+// SPDX-License-Identifier: Apache-2.0
+
+#pragma once
+
+#include "curveNi.h"
+
+namespace embree
+{
+ namespace isa
+ {
+ template<int M>
+ struct CurveNiIntersector1
+ {
+ typedef CurveNi<M> Primitive;
+ typedef Vec3vf<M> Vec3vfM;
+ typedef LinearSpace3<Vec3vfM>LinearSpace3vfM;
+ typedef CurvePrecalculations1 Precalculations;
+
+ static __forceinline vbool<M> intersect(Ray& ray, const Primitive& prim, vfloat<M>& tNear_o)
+ {
+ const size_t N = prim.N;
+ const vfloat4 offset_scale = vfloat4::loadu(prim.offset(N));
+ const Vec3fa offset = Vec3fa(offset_scale);
+ const Vec3fa scale = Vec3fa(shuffle<3,3,3,3>(offset_scale));
+ const Vec3fa org1 = (ray.org-offset)*scale;
+ const Vec3fa dir1 = ray.dir*scale;
+
+ const LinearSpace3vfM space(vfloat<M>::load(prim.bounds_vx_x(N)), vfloat<M>::load(prim.bounds_vx_y(N)), vfloat<M>::load(prim.bounds_vx_z(N)),
+ vfloat<M>::load(prim.bounds_vy_x(N)), vfloat<M>::load(prim.bounds_vy_y(N)), vfloat<M>::load(prim.bounds_vy_z(N)),
+ vfloat<M>::load(prim.bounds_vz_x(N)), vfloat<M>::load(prim.bounds_vz_y(N)), vfloat<M>::load(prim.bounds_vz_z(N)));
+
+ const Vec3vfM dir2 = xfmVector(space,Vec3vfM(dir1));
+ const Vec3vfM org2 = xfmPoint (space,Vec3vfM(org1));
+ const Vec3vfM rcp_dir2 = rcp_safe(dir2);
+
+ const vfloat<M> t_lower_x = (vfloat<M>::load(prim.bounds_vx_lower(N))-vfloat<M>(org2.x))*vfloat<M>(rcp_dir2.x);
+ const vfloat<M> t_upper_x = (vfloat<M>::load(prim.bounds_vx_upper(N))-vfloat<M>(org2.x))*vfloat<M>(rcp_dir2.x);
+ const vfloat<M> t_lower_y = (vfloat<M>::load(prim.bounds_vy_lower(N))-vfloat<M>(org2.y))*vfloat<M>(rcp_dir2.y);
+ const vfloat<M> t_upper_y = (vfloat<M>::load(prim.bounds_vy_upper(N))-vfloat<M>(org2.y))*vfloat<M>(rcp_dir2.y);
+ const vfloat<M> t_lower_z = (vfloat<M>::load(prim.bounds_vz_lower(N))-vfloat<M>(org2.z))*vfloat<M>(rcp_dir2.z);
+ const vfloat<M> t_upper_z = (vfloat<M>::load(prim.bounds_vz_upper(N))-vfloat<M>(org2.z))*vfloat<M>(rcp_dir2.z);
+
+ const vfloat<M> round_up (1.0f+3.0f*float(ulp));
+ const vfloat<M> round_down(1.0f-3.0f*float(ulp));
+ const vfloat<M> tNear = round_down*max(mini(t_lower_x,t_upper_x),mini(t_lower_y,t_upper_y),mini(t_lower_z,t_upper_z),vfloat<M>(ray.tnear()));
+ const vfloat<M> tFar = round_up *min(maxi(t_lower_x,t_upper_x),maxi(t_lower_y,t_upper_y),maxi(t_lower_z,t_upper_z),vfloat<M>(ray.tfar));
+ tNear_o = tNear;
+ return (vint<M>(step) < vint<M>(prim.N)) & (tNear <= tFar);
+ }
+
+ template<typename Intersector, typename Epilog>
+ static __forceinline void intersect_t(const Precalculations& pre, RayHit& ray, IntersectContext* context, const Primitive& prim)
+ {
+ vfloat<M> tNear;
+ vbool<M> valid = intersect(ray,prim,tNear);
+
+ const size_t N = prim.N;
+ size_t mask = movemask(valid);
+ while (mask)
+ {
+ const size_t i = bscf(mask);
+ STAT3(normal.trav_prims,1,1,1);
+ const unsigned int geomID = prim.geomID(N);
+ const unsigned int primID = prim.primID(N)[i];
+ const CurveGeometry* geom = context->scene->get<CurveGeometry>(geomID);
+ Vec3ff a0,a1,a2,a3; geom->gather(a0,a1,a2,a3,geom->curve(primID));
+
+ size_t mask1 = mask;
+ const size_t i1 = bscf(mask1);
+ if (mask) {
+ const unsigned int primID1 = prim.primID(N)[i1];
+ geom->prefetchL1_vertices(geom->curve(primID1));
+ if (mask1) {
+ const size_t i2 = bsf(mask1);
+ const unsigned int primID2 = prim.primID(N)[i2];
+ geom->prefetchL2_vertices(geom->curve(primID2));
+ }
+ }
+
+ Intersector().intersect(pre,ray,context,geom,primID,a0,a1,a2,a3,Epilog(ray,context,geomID,primID));
+ mask &= movemask(tNear <= vfloat<M>(ray.tfar));
+ }
+ }
+
+ template<typename Intersector, typename Epilog>
+ static __forceinline bool occluded_t(const Precalculations& pre, Ray& ray, IntersectContext* context, const Primitive& prim)
+ {
+ vfloat<M> tNear;
+ vbool<M> valid = intersect(ray,prim,tNear);
+
+ const size_t N = prim.N;
+ size_t mask = movemask(valid);
+ while (mask)
+ {
+ const size_t i = bscf(mask);
+ STAT3(shadow.trav_prims,1,1,1);
+ const unsigned int geomID = prim.geomID(N);
+ const unsigned int primID = prim.primID(N)[i];
+ const CurveGeometry* geom = context->scene->get<CurveGeometry>(geomID);
+ Vec3ff a0,a1,a2,a3; geom->gather(a0,a1,a2,a3,geom->curve(primID));
+
+ size_t mask1 = mask;
+ const size_t i1 = bscf(mask1);
+ if (mask) {
+ const unsigned int primID1 = prim.primID(N)[i1];
+ geom->prefetchL1_vertices(geom->curve(primID1));
+ if (mask1) {
+ const size_t i2 = bsf(mask1);
+ const unsigned int primID2 = prim.primID(N)[i2];
+ geom->prefetchL2_vertices(geom->curve(primID2));
+ }
+ }
+
+ if (Intersector().intersect(pre,ray,context,geom,primID,a0,a1,a2,a3,Epilog(ray,context,geomID,primID)))
+ return true;
+
+ mask &= movemask(tNear <= vfloat<M>(ray.tfar));
+ }
+ return false;
+ }
+
+ template<typename Intersector, typename Epilog>
+ static __forceinline void intersect_n(const Precalculations& pre, RayHit& ray, IntersectContext* context, const Primitive& prim)
+ {
+ vfloat<M> tNear;
+ vbool<M> valid = intersect(ray,prim,tNear);
+
+ const size_t N = prim.N;
+ size_t mask = movemask(valid);
+ while (mask)
+ {
+ const size_t i = bscf(mask);
+ STAT3(normal.trav_prims,1,1,1);
+ const unsigned int geomID = prim.geomID(N);
+ const unsigned int primID = prim.primID(N)[i];
+ const CurveGeometry* geom = context->scene->get<CurveGeometry>(geomID);
+
+ unsigned int vertexID = geom->curve(primID);
+ Vec3ff a0,a1,a2,a3; Vec3fa n0,n1,n2,n3; geom->gather(a0,a1,a2,a3,n0,n1,n2,n3,vertexID);
+
+ size_t mask1 = mask;
+ const size_t i1 = bscf(mask1);
+ if (mask) {
+ const unsigned int primID1 = prim.primID(N)[i1];
+ geom->prefetchL1_vertices(geom->curve(primID1));
+ if (mask1) {
+ const size_t i2 = bsf(mask1);
+ const unsigned int primID2 = prim.primID(N)[i2];
+ geom->prefetchL2_vertices(geom->curve(primID2));
+ }
+ }
+
+ Intersector().intersect(pre,ray,context,geom,primID,a0,a1,a2,a3,n0,n1,n2,n3,Epilog(ray,context,geomID,primID));
+ mask &= movemask(tNear <= vfloat<M>(ray.tfar));
+ }
+ }
+
+ template<typename Intersector, typename Epilog>
+ static __forceinline bool occluded_n(const Precalculations& pre, Ray& ray, IntersectContext* context, const Primitive& prim)
+ {
+ vfloat<M> tNear;
+ vbool<M> valid = intersect(ray,prim,tNear);
+
+ const size_t N = prim.N;
+ size_t mask = movemask(valid);
+ while (mask)
+ {
+ const size_t i = bscf(mask);
+ STAT3(shadow.trav_prims,1,1,1);
+ const unsigned int geomID = prim.geomID(N);
+ const unsigned int primID = prim.primID(N)[i];
+ const CurveGeometry* geom = context->scene->get<CurveGeometry>(geomID);
+
+ unsigned int vertexID = geom->curve(primID);
+ Vec3ff a0,a1,a2,a3; Vec3fa n0,n1,n2,n3; geom->gather(a0,a1,a2,a3,n0,n1,n2,n3,vertexID);
+
+ size_t mask1 = mask;
+ const size_t i1 = bscf(mask1);
+ if (mask) {
+ const unsigned int primID1 = prim.primID(N)[i1];
+ geom->prefetchL1_vertices(geom->curve(primID1));
+ if (mask1) {
+ const size_t i2 = bsf(mask1);
+ const unsigned int primID2 = prim.primID(N)[i2];
+ geom->prefetchL2_vertices(geom->curve(primID2));
+ }
+ }
+
+ if (Intersector().intersect(pre,ray,context,geom,primID,a0,a1,a2,a3,n0,n1,n2,n3,Epilog(ray,context,geomID,primID)))
+ return true;
+
+ mask &= movemask(tNear <= vfloat<M>(ray.tfar));
+ }
+ return false;
+ }
+
+ template<typename Intersector, typename Epilog>
+ static __forceinline void intersect_h(const Precalculations& pre, RayHit& ray, IntersectContext* context, const Primitive& prim)
+ {
+ vfloat<M> tNear;
+ vbool<M> valid = intersect(ray,prim,tNear);
+
+ const size_t N = prim.N;
+ size_t mask = movemask(valid);
+ while (mask)
+ {
+ const size_t i = bscf(mask);
+ STAT3(normal.trav_prims,1,1,1);
+ const unsigned int geomID = prim.geomID(N);
+ const unsigned int primID = prim.primID(N)[i];
+ const CurveGeometry* geom = context->scene->get<CurveGeometry>(geomID);
+ Vec3ff p0,t0,p1,t1; geom->gather_hermite(p0,t0,p1,t1,geom->curve(primID));
+ Intersector().intersect(pre,ray,context,geom,primID,p0,t0,p1,t1,Epilog(ray,context,geomID,primID));
+ mask &= movemask(tNear <= vfloat<M>(ray.tfar));
+ }
+ }
+
+ template<typename Intersector, typename Epilog>
+ static __forceinline bool occluded_h(const Precalculations& pre, Ray& ray, IntersectContext* context, const Primitive& prim)
+ {
+ vfloat<M> tNear;
+ vbool<M> valid = intersect(ray,prim,tNear);
+
+ const size_t N = prim.N;
+ size_t mask = movemask(valid);
+ while (mask)
+ {
+ const size_t i = bscf(mask);
+ STAT3(shadow.trav_prims,1,1,1);
+ const unsigned int geomID = prim.geomID(N);
+ const unsigned int primID = prim.primID(N)[i];
+ const CurveGeometry* geom = context->scene->get<CurveGeometry>(geomID);
+ Vec3ff p0,t0,p1,t1; geom->gather_hermite(p0,t0,p1,t1,geom->curve(primID));
+ if (Intersector().intersect(pre,ray,context,geom,primID,p0,t0,p1,t1,Epilog(ray,context,geomID,primID)))
+ return true;
+
+ mask &= movemask(tNear <= vfloat<M>(ray.tfar));
+ }
+ return false;
+ }
+
+ template<typename Intersector, typename Epilog>
+ static __forceinline void intersect_hn(const Precalculations& pre, RayHit& ray, IntersectContext* context, const Primitive& prim)
+ {
+ vfloat<M> tNear;
+ vbool<M> valid = intersect(ray,prim,tNear);
+
+ const size_t N = prim.N;
+ size_t mask = movemask(valid);
+ while (mask)
+ {
+ const size_t i = bscf(mask);
+ STAT3(normal.trav_prims,1,1,1);
+ const unsigned int geomID = prim.geomID(N);
+ const unsigned int primID = prim.primID(N)[i];
+ const CurveGeometry* geom = context->scene->get<CurveGeometry>(geomID);
+ Vec3ff p0,t0,p1,t1; Vec3fa n0,dn0,n1,dn1; geom->gather_hermite(p0,t0,n0,dn0,p1,t1,n1,dn1,geom->curve(primID));
+ Intersector().intersect(pre,ray,context,geom,primID,p0,t0,p1,t1,n0,dn0,n1,dn1,Epilog(ray,context,geomID,primID));
+ mask &= movemask(tNear <= vfloat<M>(ray.tfar));
+ }
+ }
+
+ template<typename Intersector, typename Epilog>
+ static __forceinline bool occluded_hn(const Precalculations& pre, Ray& ray, IntersectContext* context, const Primitive& prim)
+ {
+ vfloat<M> tNear;
+ vbool<M> valid = intersect(ray,prim,tNear);
+
+ const size_t N = prim.N;
+ size_t mask = movemask(valid);
+ while (mask)
+ {
+ const size_t i = bscf(mask);
+ STAT3(shadow.trav_prims,1,1,1);
+ const unsigned int geomID = prim.geomID(N);
+ const unsigned int primID = prim.primID(N)[i];
+ const CurveGeometry* geom = context->scene->get<CurveGeometry>(geomID);
+ Vec3ff p0,t0,p1,t1; Vec3fa n0,dn0,n1,dn1; geom->gather_hermite(p0,t0,n0,dn0,p1,t1,n1,dn1,geom->curve(primID));
+ if (Intersector().intersect(pre,ray,context,geom,primID,p0,t0,p1,t1,n0,dn0,n1,dn1,Epilog(ray,context,geomID,primID)))
+ return true;
+
+ mask &= movemask(tNear <= vfloat<M>(ray.tfar));
+ }
+ return false;
+ }
+ };
+
+ template<int M, int K>
+ struct CurveNiIntersectorK
+ {
+ typedef CurveNi<M> Primitive;
+ typedef Vec3vf<M> Vec3vfM;
+ typedef LinearSpace3<Vec3vfM>LinearSpace3vfM;
+ typedef CurvePrecalculationsK<K> Precalculations;
+
+ static __forceinline vbool<M> intersect(RayK<K>& ray, const size_t k, const Primitive& prim, vfloat<M>& tNear_o)
+ {
+ const size_t N = prim.N;
+ const vfloat4 offset_scale = vfloat4::loadu(prim.offset(N));
+ const Vec3fa offset = Vec3fa(offset_scale);
+ const Vec3fa scale = Vec3fa(shuffle<3,3,3,3>(offset_scale));
+
+ const Vec3fa ray_org(ray.org.x[k],ray.org.y[k],ray.org.z[k]);
+ const Vec3fa ray_dir(ray.dir.x[k],ray.dir.y[k],ray.dir.z[k]);
+ const Vec3fa org1 = (ray_org-offset)*scale;
+ const Vec3fa dir1 = ray_dir*scale;
+
+ const LinearSpace3vfM space(vfloat<M>::load(prim.bounds_vx_x(N)), vfloat<M>::load(prim.bounds_vx_y(N)), vfloat<M>::load(prim.bounds_vx_z(N)),
+ vfloat<M>::load(prim.bounds_vy_x(N)), vfloat<M>::load(prim.bounds_vy_y(N)), vfloat<M>::load(prim.bounds_vy_z(N)),
+ vfloat<M>::load(prim.bounds_vz_x(N)), vfloat<M>::load(prim.bounds_vz_y(N)), vfloat<M>::load(prim.bounds_vz_z(N)));
+
+ const Vec3vfM dir2 = xfmVector(space,Vec3vfM(dir1));
+ const Vec3vfM org2 = xfmPoint (space,Vec3vfM(org1));
+ const Vec3vfM rcp_dir2 = rcp_safe(dir2);
+
+ const vfloat<M> t_lower_x = (vfloat<M>::load(prim.bounds_vx_lower(N))-vfloat<M>(org2.x))*vfloat<M>(rcp_dir2.x);
+ const vfloat<M> t_upper_x = (vfloat<M>::load(prim.bounds_vx_upper(N))-vfloat<M>(org2.x))*vfloat<M>(rcp_dir2.x);
+ const vfloat<M> t_lower_y = (vfloat<M>::load(prim.bounds_vy_lower(N))-vfloat<M>(org2.y))*vfloat<M>(rcp_dir2.y);
+ const vfloat<M> t_upper_y = (vfloat<M>::load(prim.bounds_vy_upper(N))-vfloat<M>(org2.y))*vfloat<M>(rcp_dir2.y);
+ const vfloat<M> t_lower_z = (vfloat<M>::load(prim.bounds_vz_lower(N))-vfloat<M>(org2.z))*vfloat<M>(rcp_dir2.z);
+ const vfloat<M> t_upper_z = (vfloat<M>::load(prim.bounds_vz_upper(N))-vfloat<M>(org2.z))*vfloat<M>(rcp_dir2.z);
+
+ const vfloat<M> round_up (1.0f+3.0f*float(ulp));
+ const vfloat<M> round_down(1.0f-3.0f*float(ulp));
+ const vfloat<M> tNear = round_down*max(mini(t_lower_x,t_upper_x),mini(t_lower_y,t_upper_y),mini(t_lower_z,t_upper_z),vfloat<M>(ray.tnear()[k]));
+ const vfloat<M> tFar = round_up *min(maxi(t_lower_x,t_upper_x),maxi(t_lower_y,t_upper_y),maxi(t_lower_z,t_upper_z),vfloat<M>(ray.tfar[k]));
+ tNear_o = tNear;
+ return (vint<M>(step) < vint<M>(prim.N)) & (tNear <= tFar);
+ }
+
+ template<typename Intersector, typename Epilog>
+ static __forceinline void intersect_t(Precalculations& pre, RayHitK<K>& ray, const size_t k, IntersectContext* context, const Primitive& prim)
+ {
+ vfloat<M> tNear;
+ vbool<M> valid = intersect(ray,k,prim,tNear);
+
+ const size_t N = prim.N;
+ size_t mask = movemask(valid);
+ while (mask)
+ {
+ const size_t i = bscf(mask);
+ STAT3(normal.trav_prims,1,1,1);
+ const unsigned int geomID = prim.geomID(N);
+ const unsigned int primID = prim.primID(N)[i];
+ const CurveGeometry* geom = context->scene->get<CurveGeometry>(geomID);
+ Vec3ff a0,a1,a2,a3; geom->gather(a0,a1,a2,a3,geom->curve(primID));
+
+ size_t mask1 = mask;
+ const size_t i1 = bscf(mask1);
+ if (mask) {
+ const unsigned int primID1 = prim.primID(N)[i1];
+ geom->prefetchL1_vertices(geom->curve(primID1));
+ if (mask1) {
+ const size_t i2 = bsf(mask1);
+ const unsigned int primID2 = prim.primID(N)[i2];
+ geom->prefetchL2_vertices(geom->curve(primID2));
+ }
+ }
+
+ Intersector().intersect(pre,ray,k,context,geom,primID,a0,a1,a2,a3,Epilog(ray,k,context,geomID,primID));
+ mask &= movemask(tNear <= vfloat<M>(ray.tfar[k]));
+ }
+ }
+
+ template<typename Intersector, typename Epilog>
+ static __forceinline bool occluded_t(Precalculations& pre, RayK<K>& ray, const size_t k, IntersectContext* context, const Primitive& prim)
+ {
+ vfloat<M> tNear;
+ vbool<M> valid = intersect(ray,k,prim,tNear);
+
+ const size_t N = prim.N;
+ size_t mask = movemask(valid);
+ while (mask)
+ {
+ const size_t i = bscf(mask);
+ STAT3(shadow.trav_prims,1,1,1);
+ const unsigned int geomID = prim.geomID(N);
+ const unsigned int primID = prim.primID(N)[i];
+ const CurveGeometry* geom = context->scene->get<CurveGeometry>(geomID);
+ Vec3ff a0,a1,a2,a3; geom->gather(a0,a1,a2,a3,geom->curve(primID));
+
+ size_t mask1 = mask;
+ const size_t i1 = bscf(mask1);
+ if (mask) {
+ const unsigned int primID1 = prim.primID(N)[i1];
+ geom->prefetchL1_vertices(geom->curve(primID1));
+ if (mask1) {
+ const size_t i2 = bsf(mask1);
+ const unsigned int primID2 = prim.primID(N)[i2];
+ geom->prefetchL2_vertices(geom->curve(primID2));
+ }
+ }
+
+ if (Intersector().intersect(pre,ray,k,context,geom,primID,a0,a1,a2,a3,Epilog(ray,k,context,geomID,primID)))
+ return true;
+
+ mask &= movemask(tNear <= vfloat<M>(ray.tfar[k]));
+ }
+ return false;
+ }
+
+ template<typename Intersector, typename Epilog>
+ static __forceinline void intersect_n(Precalculations& pre, RayHitK<K>& ray, const size_t k, IntersectContext* context, const Primitive& prim)
+ {
+ vfloat<M> tNear;
+ vbool<M> valid = intersect(ray,k,prim,tNear);
+
+ const size_t N = prim.N;
+ size_t mask = movemask(valid);
+ while (mask)
+ {
+ const size_t i = bscf(mask);
+ STAT3(normal.trav_prims,1,1,1);
+ const unsigned int geomID = prim.geomID(N);
+ const unsigned int primID = prim.primID(N)[i];
+ const CurveGeometry* geom = context->scene->get<CurveGeometry>(geomID);
+
+ unsigned int vertexID = geom->curve(primID);
+ Vec3ff a0,a1,a2,a3; Vec3fa n0,n1,n2,n3; geom->gather(a0,a1,a2,a3,n0,n1,n2,n3,vertexID);
+
+ size_t mask1 = mask;
+ const size_t i1 = bscf(mask1);
+ if (mask) {
+ const unsigned int primID1 = prim.primID(N)[i1];
+ geom->prefetchL1_vertices(geom->curve(primID1));
+ if (mask1) {
+ const size_t i2 = bsf(mask1);
+ const unsigned int primID2 = prim.primID(N)[i2];
+ geom->prefetchL2_vertices(geom->curve(primID2));
+ }
+ }
+
+ Intersector().intersect(pre,ray,k,context,geom,primID,a0,a1,a2,a3,n0,n1,n2,n3,Epilog(ray,k,context,geomID,primID));
+ mask &= movemask(tNear <= vfloat<M>(ray.tfar[k]));
+ }
+ }
+
+ template<typename Intersector, typename Epilog>
+ static __forceinline bool occluded_n(Precalculations& pre, RayK<K>& ray, const size_t k, IntersectContext* context, const Primitive& prim)
+ {
+ vfloat<M> tNear;
+ vbool<M> valid = intersect(ray,k,prim,tNear);
+
+ const size_t N = prim.N;
+ size_t mask = movemask(valid);
+ while (mask)
+ {
+ const size_t i = bscf(mask);
+ STAT3(shadow.trav_prims,1,1,1);
+ const unsigned int geomID = prim.geomID(N);
+ const unsigned int primID = prim.primID(N)[i];
+ const CurveGeometry* geom = context->scene->get<CurveGeometry>(geomID);
+
+ unsigned int vertexID = geom->curve(primID);
+ Vec3ff a0,a1,a2,a3; Vec3fa n0,n1,n2,n3; geom->gather(a0,a1,a2,a3,n0,n1,n2,n3,vertexID);
+
+ size_t mask1 = mask;
+ const size_t i1 = bscf(mask1);
+ if (mask) {
+ const unsigned int primID1 = prim.primID(N)[i1];
+ geom->prefetchL1_vertices(geom->curve(primID1));
+ if (mask1) {
+ const size_t i2 = bsf(mask1);
+ const unsigned int primID2 = prim.primID(N)[i2];
+ geom->prefetchL2_vertices(geom->curve(primID2));
+ }
+ }
+
+ if (Intersector().intersect(pre,ray,k,context,geom,primID,a0,a1,a2,a3,n0,n1,n2,n3,Epilog(ray,k,context,geomID,primID)))
+ return true;
+
+ mask &= movemask(tNear <= vfloat<M>(ray.tfar[k]));
+ }
+ return false;
+ }
+
+ template<typename Intersector, typename Epilog>
+ static __forceinline void intersect_h(Precalculations& pre, RayHitK<K>& ray, const size_t k, IntersectContext* context, const Primitive& prim)
+ {
+ vfloat<M> tNear;
+ vbool<M> valid = intersect(ray,k,prim,tNear);
+
+ const size_t N = prim.N;
+ size_t mask = movemask(valid);
+ while (mask)
+ {
+ const size_t i = bscf(mask);
+ STAT3(normal.trav_prims,1,1,1);
+ const unsigned int geomID = prim.geomID(N);
+ const unsigned int primID = prim.primID(N)[i];
+ const CurveGeometry* geom = context->scene->get<CurveGeometry>(geomID);
+ Vec3ff p0,t0,p1,t1; geom->gather_hermite(p0,t0,p1,t1,geom->curve(primID));
+ Intersector().intersect(pre,ray,k,context,geom,primID,p0,t0,p1,t1,Epilog(ray,k,context,geomID,primID));
+ mask &= movemask(tNear <= vfloat<M>(ray.tfar[k]));
+ }
+ }
+
+ template<typename Intersector, typename Epilog>
+ static __forceinline bool occluded_h(Precalculations& pre, RayK<K>& ray, const size_t k, IntersectContext* context, const Primitive& prim)
+ {
+ vfloat<M> tNear;
+ vbool<M> valid = intersect(ray,k,prim,tNear);
+
+ const size_t N = prim.N;
+ size_t mask = movemask(valid);
+ while (mask)
+ {
+ const size_t i = bscf(mask);
+ STAT3(shadow.trav_prims,1,1,1);
+ const unsigned int geomID = prim.geomID(N);
+ const unsigned int primID = prim.primID(N)[i];
+ const CurveGeometry* geom = context->scene->get<CurveGeometry>(geomID);
+ Vec3ff p0,t0,p1,t1; geom->gather_hermite(p0,t0,p1,t1,geom->curve(primID));
+ if (Intersector().intersect(pre,ray,k,context,geom,primID,p0,t0,p1,t1,Epilog(ray,k,context,geomID,primID)))
+ return true;
+
+ mask &= movemask(tNear <= vfloat<M>(ray.tfar[k]));
+ }
+ return false;
+ }
+
+ template<typename Intersector, typename Epilog>
+ static __forceinline void intersect_hn(Precalculations& pre, RayHitK<K>& ray, const size_t k, IntersectContext* context, const Primitive& prim)
+ {
+ vfloat<M> tNear;
+ vbool<M> valid = intersect(ray,k,prim,tNear);
+
+ const size_t N = prim.N;
+ size_t mask = movemask(valid);
+ while (mask)
+ {
+ const size_t i = bscf(mask);
+ STAT3(normal.trav_prims,1,1,1);
+ const unsigned int geomID = prim.geomID(N);
+ const unsigned int primID = prim.primID(N)[i];
+ const CurveGeometry* geom = context->scene->get<CurveGeometry>(geomID);
+ Vec3ff p0,t0,p1,t1; Vec3fa n0,dn0,n1,dn1; geom->gather_hermite(p0,t0,n0,dn0,p1,t1,n1,dn1,geom->curve(primID));
+ Intersector().intersect(pre,ray,k,context,geom,primID,p0,t0,p1,t1,n0,dn0,n1,dn1,Epilog(ray,k,context,geomID,primID));
+ mask &= movemask(tNear <= vfloat<M>(ray.tfar[k]));
+ }
+ }
+
+ template<typename Intersector, typename Epilog>
+ static __forceinline bool occluded_hn(Precalculations& pre, RayK<K>& ray, const size_t k, IntersectContext* context, const Primitive& prim)
+ {
+ vfloat<M> tNear;
+ vbool<M> valid = intersect(ray,k,prim,tNear);
+
+ const size_t N = prim.N;
+ size_t mask = movemask(valid);
+ while (mask)
+ {
+ const size_t i = bscf(mask);
+ STAT3(shadow.trav_prims,1,1,1);
+ const unsigned int geomID = prim.geomID(N);
+ const unsigned int primID = prim.primID(N)[i];
+ const CurveGeometry* geom = context->scene->get<CurveGeometry>(geomID);
+ Vec3ff p0,t0,p1,t1; Vec3fa n0,dn0,n1,dn1; geom->gather_hermite(p0,t0,n0,dn0,p1,t1,n1,dn1,geom->curve(primID));
+ if (Intersector().intersect(pre,ray,k,context,geom,primID,p0,t0,p1,t1,n0,dn0,n1,dn1,Epilog(ray,k,context,geomID,primID)))
+ return true;
+
+ mask &= movemask(tNear <= vfloat<M>(ray.tfar[k]));
+ }
+ return false;
+ }
+ };
+ }
+}
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-08 09:17:39 +0000