initial commit, 4.5 stable

thirdparty/embree/kernels/geometry/quadi_intersector.h

@@ -0,0 +1,350 @@
+// Copyright 2009-2021 Intel Corporation
+// SPDX-License-Identifier: Apache-2.0
+
+#pragma once
+
+#include "quadi.h"
+#include "quad_intersector_moeller.h"
+#include "quad_intersector_pluecker.h"
+
+namespace embree
+{
+  namespace isa
+  {
+    /*! Intersects M quads with 1 ray */
+    template<int M, bool filter>
+    struct QuadMiIntersector1Moeller
+    {
+      typedef QuadMi<M> Primitive;
+      typedef QuadMIntersector1MoellerTrumbore<M,filter> Precalculations;
+
+      /*! Intersect a ray with the M quads and updates the hit. */
+      static __forceinline void intersect(const Precalculations& pre, RayHit& ray, RayQueryContext* context, const Primitive& quad)
+      {
+        STAT3(normal.trav_prims,1,1,1);
+        Vec3vf<M> v0,v1,v2,v3; quad.gather(v0,v1,v2,v3,context->scene);
+        pre.intersect(ray,context,v0,v1,v2,v3,quad.geomID(),quad.primID());
+      }
+
+      /*! Test if the ray is occluded by one of M quads. */
+      static __forceinline bool occluded(const Precalculations& pre, Ray& ray, RayQueryContext* context, const Primitive& quad)
+      {
+        STAT3(shadow.trav_prims,1,1,1);
+        Vec3vf<M> v0,v1,v2,v3; quad.gather(v0,v1,v2,v3,context->scene);
+        return pre.occluded(ray,context,v0,v1,v2,v3,quad.geomID(),quad.primID());
+      }
+
+      static __forceinline bool pointQuery(PointQuery* query, PointQueryContext* context, const Primitive& quad)
+      {
+        return PrimitivePointQuery1<Primitive>::pointQuery(query, context, quad);
+      }
+    };
+
+    /*! Intersects M triangles with K rays. */
+    template<int M, int K, bool filter>
+    struct QuadMiIntersectorKMoeller
+    {
+      typedef QuadMi<M> Primitive;
+      typedef QuadMIntersectorKMoellerTrumbore<M,K,filter> Precalculations;
+
+      /*! Intersects K rays with M triangles. */
+      static __forceinline void intersect(const vbool<K>& valid_i, Precalculations& pre, RayHitK<K>& ray, RayQueryContext* context, const QuadMi<M>& quad)
+      {
+        Scene* scene = context->scene;
+        for (size_t i=0; i<QuadMi<M>::max_size(); i++)
+        {
+          if (!quad.valid(i)) break;
+          STAT3(normal.trav_prims,1,popcnt(valid_i),K);
+          const Vec3vf<K> p0 = quad.template getVertex<0>(i,scene);
+          const Vec3vf<K> p1 = quad.template getVertex<1>(i,scene);
+          const Vec3vf<K> p2 = quad.template getVertex<2>(i,scene);
+          const Vec3vf<K> p3 = quad.template getVertex<3>(i,scene);
+          pre.intersectK(valid_i,ray,p0,p1,p2,p3,IntersectKEpilogM<M,K,filter>(ray,context,quad.geomID(),quad.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, RayQueryContext* context, const QuadMi<M>& quad)
+      {
+        Scene* scene = context->scene;
+        vbool<K> valid0 = valid_i;
+        for (size_t i=0; i<QuadMi<M>::max_size(); i++)
+        {
+          if (!quad.valid(i)) break;
+          STAT3(shadow.trav_prims,1,popcnt(valid0),K);
+          const Vec3vf<K> p0 = quad.template getVertex<0>(i,scene);
+          const Vec3vf<K> p1 = quad.template getVertex<1>(i,scene);
+          const Vec3vf<K> p2 = quad.template getVertex<2>(i,scene);
+          const Vec3vf<K> p3 = quad.template getVertex<3>(i,scene);
+          if (pre.intersectK(valid0,ray,p0,p1,p2,p3,OccludedKEpilogM<M,K,filter>(valid0,ray,context,quad.geomID(),quad.primID(),i)))
+            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, RayQueryContext* context, const QuadMi<M>& quad)
+      {
+        STAT3(normal.trav_prims,1,1,1);
+        Vec3vf4 v0,v1,v2,v3; quad.gather(v0,v1,v2,v3,context->scene);
+        pre.intersect1(ray,k,context,v0,v1,v2,v3,quad.geomID(),quad.primID());
+      }
+
+      /*! Test if the ray is occluded by one of the M triangles. */
+      static __forceinline bool occluded(Precalculations& pre, RayK<K>& ray, size_t k, RayQueryContext* context, const QuadMi<M>& quad)
+      {
+        STAT3(shadow.trav_prims,1,1,1);
+        Vec3vf4 v0,v1,v2,v3; quad.gather(v0,v1,v2,v3,context->scene);
+        return pre.occluded1(ray,k,context,v0,v1,v2,v3,quad.geomID(),quad.primID());
+      }
+    };
+
+    /*! Intersects M quads with 1 ray */
+    template<int M, bool filter>
+    struct QuadMiIntersector1Pluecker
+    {
+      typedef QuadMi<M> Primitive;
+      typedef QuadMIntersector1Pluecker<M,filter> Precalculations;
+
+      /*! Intersect a ray with the M quads and updates the hit. */
+      static __forceinline void intersect(const Precalculations& pre, RayHit& ray, RayQueryContext* context, const Primitive& quad)
+      {
+        STAT3(normal.trav_prims,1,1,1);
+        Vec3vf<M> v0,v1,v2,v3; quad.gather(v0,v1,v2,v3,context->scene);
+        pre.intersect(ray,context,v0,v1,v2,v3,quad.geomID(),quad.primID());
+      }
+
+      /*! Test if the ray is occluded by one of M quads. */
+      static __forceinline bool occluded(const Precalculations& pre, Ray& ray, RayQueryContext* context, const Primitive& quad)
+      {
+        STAT3(shadow.trav_prims,1,1,1);
+        Vec3vf<M> v0,v1,v2,v3; quad.gather(v0,v1,v2,v3,context->scene);
+        return pre.occluded(ray,context,v0,v1,v2,v3,quad.geomID(),quad.primID());
+      }
+      
+      static __forceinline bool pointQuery(PointQuery* query, PointQueryContext* context, const Primitive& quad)
+      {
+        return PrimitivePointQuery1<Primitive>::pointQuery(query, context, quad);
+      }
+    };
+
+    /*! Intersects M triangles with K rays. */
+    template<int M, int K, bool filter>
+    struct QuadMiIntersectorKPluecker
+    {
+      typedef QuadMi<M> Primitive;
+      typedef QuadMIntersectorKPluecker<M,K,filter> Precalculations;
+
+      /*! Intersects K rays with M triangles. */
+      static __forceinline void intersect(const vbool<K>& valid_i, Precalculations& pre, RayHitK<K>& ray, RayQueryContext* context, const QuadMi<M>& quad)
+      {
+        Scene* scene = context->scene;
+        for (size_t i=0; i<QuadMi<M>::max_size(); i++)
+        {
+          if (!quad.valid(i)) break;
+          STAT3(normal.trav_prims,1,popcnt(valid_i),K);
+          const Vec3vf<K> p0 = quad.template getVertex<0>(i,scene);
+          const Vec3vf<K> p1 = quad.template getVertex<1>(i,scene);
+          const Vec3vf<K> p2 = quad.template getVertex<2>(i,scene);
+          const Vec3vf<K> p3 = quad.template getVertex<3>(i,scene);
+          pre.intersectK(valid_i,ray,p0,p1,p2,p3,IntersectKEpilogM<M,K,filter>(ray,context,quad.geomID(),quad.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, RayQueryContext* context, const QuadMi<M>& quad)
+      {
+        Scene* scene = context->scene;
+        vbool<K> valid0 = valid_i;
+        for (size_t i=0; i<QuadMi<M>::max_size(); i++)
+        {
+          if (!quad.valid(i)) break;
+          STAT3(shadow.trav_prims,1,popcnt(valid0),K);
+          const Vec3vf<K> p0 = quad.template getVertex<0>(i,scene);
+          const Vec3vf<K> p1 = quad.template getVertex<1>(i,scene);
+          const Vec3vf<K> p2 = quad.template getVertex<2>(i,scene);
+          const Vec3vf<K> p3 = quad.template getVertex<3>(i,scene);
+          if (pre.intersectK(valid0,ray,p0,p1,p2,p3,OccludedKEpilogM<M,K,filter>(valid0,ray,context,quad.geomID(),quad.primID(),i)))
+            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, RayQueryContext* context, const QuadMi<M>& quad)
+      {
+        STAT3(normal.trav_prims,1,1,1);
+        Vec3vf4 v0,v1,v2,v3; quad.gather(v0,v1,v2,v3,context->scene);
+        pre.intersect1(ray,k,context,v0,v1,v2,v3,quad.geomID(),quad.primID());
+      }
+
+      /*! Test if the ray is occluded by one of the M triangles. */
+      static __forceinline bool occluded(Precalculations& pre, RayK<K>& ray, size_t k, RayQueryContext* context, const QuadMi<M>& quad)
+      {
+        STAT3(shadow.trav_prims,1,1,1);
+        Vec3vf4 v0,v1,v2,v3; quad.gather(v0,v1,v2,v3,context->scene);
+        return pre.occluded1(ray,k,context,v0,v1,v2,v3,quad.geomID(),quad.primID());
+      }
+    };
+
+    /*! Intersects M motion blur quads with 1 ray */
+    template<int M, bool filter>
+    struct QuadMiMBIntersector1Moeller
+    {
+      typedef QuadMi<M> Primitive;
+      typedef QuadMIntersector1MoellerTrumbore<M,filter> Precalculations;
+
+      /*! Intersect a ray with the M quads and updates the hit. */
+      static __forceinline void intersect(const Precalculations& pre, RayHit& ray, RayQueryContext* context, const Primitive& quad)
+      {
+        STAT3(normal.trav_prims,1,1,1);
+        Vec3vf<M> v0,v1,v2,v3; quad.gather(v0,v1,v2,v3,context->scene,ray.time());
+        pre.intersect(ray,context,v0,v1,v2,v3,quad.geomID(),quad.primID());
+      }
+
+      /*! Test if the ray is occluded by one of M quads. */
+      static __forceinline bool occluded(const Precalculations& pre, Ray& ray, RayQueryContext* context, const Primitive& quad)
+      {
+        STAT3(shadow.trav_prims,1,1,1);
+        Vec3vf<M> v0,v1,v2,v3; quad.gather(v0,v1,v2,v3,context->scene,ray.time());
+        return pre.occluded(ray,context,v0,v1,v2,v3,quad.geomID(),quad.primID());
+      }
+      
+      static __forceinline bool pointQuery(PointQuery* query, PointQueryContext* context, const Primitive& quad)
+      {
+        return PrimitivePointQuery1<Primitive>::pointQuery(query, context, quad);
+      }
+    };
+
+    /*! Intersects M motion blur quads with K rays. */
+    template<int M, int K, bool filter>
+    struct QuadMiMBIntersectorKMoeller
+    {
+      typedef QuadMi<M> Primitive;
+      typedef QuadMIntersectorKMoellerTrumbore<M,K,filter> Precalculations;
+
+      /*! Intersects K rays with M quads. */
+      static __forceinline void intersect(const vbool<K>& valid_i, Precalculations& pre, RayHitK<K>& ray, RayQueryContext* context, const QuadMi<M>& quad)
+      {
+        for (size_t i=0; i<QuadMi<M>::max_size(); i++)
+        {
+          if (!quad.valid(i)) break;
+          STAT3(normal.trav_prims,1,popcnt(valid_i),K);
+          Vec3vf<K> v0,v1,v2,v3; quad.template gather<K>(valid_i,v0,v1,v2,v3,i,context->scene,ray.time());
+          pre.intersectK(valid_i,ray,v0,v1,v2,v3,IntersectKEpilogM<M,K,filter>(ray,context,quad.geomID(),quad.primID(),i));
+        }
+      }
+
+      /*! Test for K rays if they are occluded by any of the M quads. */
+      static __forceinline vbool<K> occluded(const vbool<K>& valid_i, Precalculations& pre, RayK<K>& ray, RayQueryContext* context, const QuadMi<M>& quad)
+      {
+        vbool<K> valid0 = valid_i;
+        for (size_t i=0; i<QuadMi<M>::max_size(); i++)
+        {
+          if (!quad.valid(i)) break;
+          STAT3(shadow.trav_prims,1,popcnt(valid0),K);
+          Vec3vf<K> v0,v1,v2,v3; quad.template gather<K>(valid_i,v0,v1,v2,v3,i,context->scene,ray.time());
+          if (pre.intersectK(valid0,ray,v0,v1,v2,v3,OccludedKEpilogM<M,K,filter>(valid0,ray,context,quad.geomID(),quad.primID(),i)))
+            break;
+        }
+        return !valid0;
+      }
+      
+      /*! Intersect a ray with M quads and updates the hit. */
+      static __forceinline void intersect(Precalculations& pre, RayHitK<K>& ray, size_t k, RayQueryContext* context, const QuadMi<M>& quad)
+      {
+        STAT3(normal.trav_prims,1,1,1);
+        Vec3vf<M> v0,v1,v2,v3; quad.gather(v0,v1,v2,v3,context->scene,ray.time()[k]);
+        pre.intersect1(ray,k,context,v0,v1,v2,v3,quad.geomID(),quad.primID());
+      }
+
+      /*! Test if the ray is occluded by one of the M quads. */
+      static __forceinline bool occluded(Precalculations& pre, RayK<K>& ray, size_t k, RayQueryContext* context, const QuadMi<M>& quad)
+      {
+        STAT3(shadow.trav_prims,1,1,1);
+        Vec3vf<M> v0,v1,v2,v3; quad.gather(v0,v1,v2,v3,context->scene,ray.time()[k]);
+        return pre.occluded1(ray,k,context,v0,v1,v2,v3,quad.geomID(),quad.primID());
+      }
+    };
+
+    /*! Intersects M motion blur quads with 1 ray */
+    template<int M, bool filter>
+    struct QuadMiMBIntersector1Pluecker
+    {
+      typedef QuadMi<M> Primitive;
+      typedef QuadMIntersector1Pluecker<M,filter> Precalculations;
+
+      /*! Intersect a ray with the M quads and updates the hit. */
+      static __forceinline void intersect(const Precalculations& pre, RayHit& ray, RayQueryContext* context, const Primitive& quad)
+      {
+        STAT3(normal.trav_prims,1,1,1);
+        Vec3vf<M> v0,v1,v2,v3; quad.gather(v0,v1,v2,v3,context->scene,ray.time());
+        pre.intersect(ray,context,v0,v1,v2,v3,quad.geomID(),quad.primID());
+      }
+
+      /*! Test if the ray is occluded by one of M quads. */
+      static __forceinline bool occluded(const Precalculations& pre, Ray& ray, RayQueryContext* context, const Primitive& quad)
+      {
+        STAT3(shadow.trav_prims,1,1,1);
+        Vec3vf<M> v0,v1,v2,v3; quad.gather(v0,v1,v2,v3,context->scene,ray.time());
+        return pre.occluded(ray,context,v0,v1,v2,v3,quad.geomID(),quad.primID());
+      }
+      
+      static __forceinline bool pointQuery(PointQuery* query, PointQueryContext* context, const Primitive& quad)
+      {
+        return PrimitivePointQuery1<Primitive>::pointQuery(query, context, quad);
+      }
+    };
+
+    /*! Intersects M motion blur quads with K rays. */
+    template<int M, int K, bool filter>
+    struct QuadMiMBIntersectorKPluecker
+    {
+      typedef QuadMi<M> Primitive;
+      typedef QuadMIntersectorKPluecker<M,K,filter> Precalculations;
+
+      /*! Intersects K rays with M quads. */
+      static __forceinline void intersect(const vbool<K>& valid_i, Precalculations& pre, RayHitK<K>& ray, RayQueryContext* context, const QuadMi<M>& quad)
+      {
+        for (size_t i=0; i<QuadMi<M>::max_size(); i++)
+        {
+          if (!quad.valid(i)) break;
+          STAT3(normal.trav_prims,1,popcnt(valid_i),K);
+          Vec3vf<K> v0,v1,v2,v3; quad.template gather<K>(valid_i,v0,v1,v2,v3,i,context->scene,ray.time());
+          pre.intersectK(valid_i,ray,v0,v1,v2,v3,IntersectKEpilogM<M,K,filter>(ray,context,quad.geomID(),quad.primID(),i));
+        }
+      }
+
+      /*! Test for K rays if they are occluded by any of the M quads. */
+      static __forceinline vbool<K> occluded(const vbool<K>& valid_i, Precalculations& pre, RayK<K>& ray, RayQueryContext* context, const QuadMi<M>& quad)
+      {
+        vbool<K> valid0 = valid_i;
+        for (size_t i=0; i<QuadMi<M>::max_size(); i++)
+        {
+          if (!quad.valid(i)) break;
+          STAT3(shadow.trav_prims,1,popcnt(valid0),K);
+          Vec3vf<K> v0,v1,v2,v3; quad.template gather<K>(valid_i,v0,v1,v2,v3,i,context->scene,ray.time());
+          if (pre.intersectK(valid0,ray,v0,v1,v2,v3,OccludedKEpilogM<M,K,filter>(valid0,ray,context,quad.geomID(),quad.primID(),i)))
+            break;
+        }
+        return !valid0;
+      }
+      
+      /*! Intersect a ray with M quads and updates the hit. */
+      static __forceinline void intersect(Precalculations& pre, RayHitK<K>& ray, size_t k, RayQueryContext* context, const QuadMi<M>& quad)
+      {
+        STAT3(normal.trav_prims,1,1,1);
+        Vec3vf<M> v0,v1,v2,v3; quad.gather(v0,v1,v2,v3,context->scene,ray.time()[k]);
+        pre.intersect1(ray,k,context,v0,v1,v2,v3,quad.geomID(),quad.primID());
+      }
+
+      /*! Test if the ray is occluded by one of the M quads. */
+      static __forceinline bool occluded(Precalculations& pre, RayK<K>& ray, size_t k, RayQueryContext* context, const QuadMi<M>& quad)
+      {
+        STAT3(shadow.trav_prims,1,1,1);
+        Vec3vf<M> v0,v1,v2,v3; quad.gather(v0,v1,v2,v3,context->scene,ray.time()[k]);
+        return pre.occluded1(ray,k,context,v0,v1,v2,v3,quad.geomID(),quad.primID());
+      }
+    };
+  }
+}