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-rw-r--r--thirdparty/embree-aarch64/kernels/geometry/curveNv_intersector.h181
1 files changed, 181 insertions, 0 deletions
diff --git a/thirdparty/embree-aarch64/kernels/geometry/curveNv_intersector.h b/thirdparty/embree-aarch64/kernels/geometry/curveNv_intersector.h
new file mode 100644
index 0000000000..e20da2882e
--- /dev/null
+++ b/thirdparty/embree-aarch64/kernels/geometry/curveNv_intersector.h
@@ -0,0 +1,181 @@
+// Copyright 2009-2020 Intel Corporation
+// SPDX-License-Identifier: Apache-2.0
+
+#pragma once
+
+#include "curveNv.h"
+#include "curveNi_intersector.h"
+
+namespace embree
+{
+ namespace isa
+ {
+ template<int M>
+ struct CurveNvIntersector1 : public CurveNiIntersector1<M>
+ {
+ typedef CurveNv<M> Primitive;
+ typedef CurvePrecalculations1 Precalculations;
+
+ 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 = CurveNiIntersector1<M>::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 = (CurveGeometry*) context->scene->get(geomID);
+ const Vec3ff a0 = Vec3ff::loadu(&prim.vertices(i,N)[0]);
+ const Vec3ff a1 = Vec3ff::loadu(&prim.vertices(i,N)[1]);
+ const Vec3ff a2 = Vec3ff::loadu(&prim.vertices(i,N)[2]);
+ const Vec3ff a3 = Vec3ff::loadu(&prim.vertices(i,N)[3]);
+
+ size_t mask1 = mask;
+ const size_t i1 = bscf(mask1);
+ if (mask) {
+ prefetchL1(&prim.vertices(i1,N)[0]);
+ prefetchL1(&prim.vertices(i1,N)[4]);
+ if (mask1) {
+ const size_t i2 = bsf(mask1);
+ prefetchL2(&prim.vertices(i2,N)[0]);
+ prefetchL2(&prim.vertices(i2,N)[4]);
+ }
+ }
+
+ 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 = CurveNiIntersector1<M>::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 = (CurveGeometry*) context->scene->get(geomID);
+ const Vec3ff a0 = Vec3ff::loadu(&prim.vertices(i,N)[0]);
+ const Vec3ff a1 = Vec3ff::loadu(&prim.vertices(i,N)[1]);
+ const Vec3ff a2 = Vec3ff::loadu(&prim.vertices(i,N)[2]);
+ const Vec3ff a3 = Vec3ff::loadu(&prim.vertices(i,N)[3]);
+
+ size_t mask1 = mask;
+ const size_t i1 = bscf(mask1);
+ if (mask) {
+ prefetchL1(&prim.vertices(i1,N)[0]);
+ prefetchL1(&prim.vertices(i1,N)[4]);
+ if (mask1) {
+ const size_t i2 = bsf(mask1);
+ prefetchL2(&prim.vertices(i2,N)[0]);
+ prefetchL2(&prim.vertices(i2,N)[4]);
+ }
+ }
+
+ 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<int M, int K>
+ struct CurveNvIntersectorK : public CurveNiIntersectorK<M,K>
+ {
+ typedef CurveNv<M> Primitive;
+ typedef CurvePrecalculationsK<K> Precalculations;
+
+ 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 = CurveNiIntersectorK<M,K>::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 = (CurveGeometry*) context->scene->get(geomID);
+ const Vec3ff a0 = Vec3ff::loadu(&prim.vertices(i,N)[0]);
+ const Vec3ff a1 = Vec3ff::loadu(&prim.vertices(i,N)[1]);
+ const Vec3ff a2 = Vec3ff::loadu(&prim.vertices(i,N)[2]);
+ const Vec3ff a3 = Vec3ff::loadu(&prim.vertices(i,N)[3]);
+
+ size_t mask1 = mask;
+ const size_t i1 = bscf(mask1);
+ if (mask) {
+ prefetchL1(&prim.vertices(i1,N)[0]);
+ prefetchL1(&prim.vertices(i1,N)[4]);
+ if (mask1) {
+ const size_t i2 = bsf(mask1);
+ prefetchL2(&prim.vertices(i2,N)[0]);
+ prefetchL2(&prim.vertices(i2,N)[4]);
+ }
+ }
+
+ 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 = CurveNiIntersectorK<M,K>::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 = (CurveGeometry*) context->scene->get(geomID);
+ const Vec3ff a0 = Vec3ff::loadu(&prim.vertices(i,N)[0]);
+ const Vec3ff a1 = Vec3ff::loadu(&prim.vertices(i,N)[1]);
+ const Vec3ff a2 = Vec3ff::loadu(&prim.vertices(i,N)[2]);
+ const Vec3ff a3 = Vec3ff::loadu(&prim.vertices(i,N)[3]);
+
+ size_t mask1 = mask;
+ const size_t i1 = bscf(mask1);
+ if (mask) {
+ prefetchL1(&prim.vertices(i1,N)[0]);
+ prefetchL1(&prim.vertices(i1,N)[4]);
+ if (mask1) {
+ const size_t i2 = bsf(mask1);
+ prefetchL2(&prim.vertices(i2,N)[0]);
+ prefetchL2(&prim.vertices(i2,N)[4]);
+ }
+ }
+
+ 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;
+ }
+ };
+ }
+}