1 files changed, 0 insertions, 377 deletions
diff --git a/thirdparty/embree-aarch64/kernels/bvh/bvh_builder_twolevel.cpp b/thirdparty/embree-aarch64/kernels/bvh/bvh_builder_twolevel.cpp
deleted file mode 100644
index 1a78f347ac..0000000000
--- a/thirdparty/embree-aarch64/kernels/bvh/bvh_builder_twolevel.cpp
+++ /dev/null
@@ -1,377 +0,0 @@
-// Copyright 2009-2020 Intel Corporation
-// SPDX-License-Identifier: Apache-2.0
-
-#include "bvh_builder_twolevel.h"
-#include "bvh_statistics.h"
-#include "../builders/bvh_builder_sah.h"
-#include "../common/scene_line_segments.h"
-#include "../common/scene_triangle_mesh.h"
-#include "../common/scene_quad_mesh.h"
-
-#define PROFILE 0
-
-namespace embree
-{
-  namespace isa
-  {
-    template<int N, typename Mesh, typename Primitive>
-    BVHNBuilderTwoLevel<N,Mesh,Primitive>::BVHNBuilderTwoLevel (BVH* bvh, Scene* scene, Geometry::GTypeMask gtype, bool useMortonBuilder, const size_t singleThreadThreshold)
-      : bvh(bvh), scene(scene), refs(scene->device,0), prims(scene->device,0), singleThreadThreshold(singleThreadThreshold), gtype(gtype), useMortonBuilder_(useMortonBuilder) {}
-    
-    template<int N, typename Mesh, typename Primitive>
-    BVHNBuilderTwoLevel<N,Mesh,Primitive>::~BVHNBuilderTwoLevel () {
-    }
-
-    // ===========================================================================
-    // ===========================================================================
-    // ===========================================================================
-
-    template<int N, typename Mesh, typename Primitive>
-    void BVHNBuilderTwoLevel<N,Mesh,Primitive>::build()
-    {
-      /* delete some objects */
-      size_t num = scene->size();
-      if (num < bvh->objects.size()) {
-        parallel_for(num, bvh->objects.size(), [&] (const range<size_t>& r) {
-            for (size_t i=r.begin(); i<r.end(); i++) {
-              builders[i].reset();
-              delete bvh->objects[i]; bvh->objects[i] = nullptr;
-            }
-          });
-      }
-      
-#if PROFILE
-      while(1) 
-#endif
-      {
-      /* reset memory allocator */
-      bvh->alloc.reset();
-      
-      /* skip build for empty scene */
-      const size_t numPrimitives = scene->getNumPrimitives(gtype,false);
-
-      if (numPrimitives == 0) {
-        prims.resize(0);
-        bvh->set(BVH::emptyNode,empty,0);
-        return;
-      }
-
-      /* calculate the size of the entire BVH */
-      const size_t numLeafBlocks = Primitive::blocks(numPrimitives);
-      const size_t node_bytes = 2*numLeafBlocks*sizeof(typename BVH::AABBNode)/N;
-      const size_t leaf_bytes = size_t(1.2*numLeafBlocks*sizeof(Primitive));
-      bvh->alloc.init_estimate(node_bytes+leaf_bytes); 
-
-      double t0 = bvh->preBuild(TOSTRING(isa) "::BVH" + toString(N) + "BuilderTwoLevel");
-
-      /* resize object array if scene got larger */
-      if (bvh->objects.size()  < num) bvh->objects.resize(num);
-      if (builders.size() < num) builders.resize(num);
-      resizeRefsList ();
-      nextRef.store(0);
-      
-      /* create acceleration structures */
-      parallel_for(size_t(0), num, [&] (const range<size_t>& r)
-      {
-        for (size_t objectID=r.begin(); objectID<r.end(); objectID++)
-        {
-          Mesh* mesh = scene->getSafe<Mesh>(objectID);
-      
-          /* ignore meshes we do not support */
-          if (mesh == nullptr || mesh->numTimeSteps != 1)
-            continue;
-          
-          if (isSmallGeometry(mesh)) {
-             setupSmallBuildRefBuilder (objectID, mesh);
-          } else {
-            setupLargeBuildRefBuilder (objectID, mesh);
-          }
-        }
-      });
-
-      /* parallel build of acceleration structures */
-      parallel_for(size_t(0), num, [&] (const range<size_t>& r)
-      {
-        for (size_t objectID=r.begin(); objectID<r.end(); objectID++)
-        {
-          /* ignore if no triangle mesh or not enabled */
-          Mesh* mesh = scene->getSafe<Mesh>(objectID);
-          if (mesh == nullptr || !mesh->isEnabled() || mesh->numTimeSteps != 1) 
-            continue;
-
-          builders[objectID]->attachBuildRefs (this);
-        }
-      });
-
-
-#if PROFILE
-      double d0 = getSeconds();
-#endif
-      /* fast path for single geometry scenes */
-      if (nextRef == 1) { 
-        bvh->set(refs[0].node,LBBox3fa(refs[0].bounds()),numPrimitives);
-      }
-
-      else
-      {     
-        /* open all large nodes */
-        refs.resize(nextRef);
-
-        /* this probably needs some more tuning */
-        const size_t extSize = max(max((size_t)SPLIT_MIN_EXT_SPACE,refs.size()*SPLIT_MEMORY_RESERVE_SCALE),size_t((float)numPrimitives / SPLIT_MEMORY_RESERVE_FACTOR));
- 
-#if !ENABLE_DIRECT_SAH_MERGE_BUILDER
-
-#if ENABLE_OPEN_SEQUENTIAL
-        open_sequential(extSize); 
-#endif
-        /* compute PrimRefs */
-        prims.resize(refs.size());
-#endif
-        
-#if defined(TASKING_TBB) && defined(__AVX512ER__) && USE_TASK_ARENA // KNL
-        tbb::task_arena limited(min(32,(int)TaskScheduler::threadCount()));
-        limited.execute([&]
-#endif
-        {
-#if ENABLE_DIRECT_SAH_MERGE_BUILDER
-
-          const PrimInfo pinfo = parallel_reduce(size_t(0), refs.size(),  PrimInfo(empty), [&] (const range<size_t>& r) -> PrimInfo {
-
-              PrimInfo pinfo(empty);
-              for (size_t i=r.begin(); i<r.end(); i++) {
-                pinfo.add_center2(refs[i]);
-              }
-              return pinfo;
-            }, [] (const PrimInfo& a, const PrimInfo& b) { return PrimInfo::merge(a,b); });
-          
-#else
-          const PrimInfo pinfo = parallel_reduce(size_t(0), refs.size(),  PrimInfo(empty), [&] (const range<size_t>& r) -> PrimInfo {
-
-              PrimInfo pinfo(empty);
-              for (size_t i=r.begin(); i<r.end(); i++) {
-                pinfo.add_center2(refs[i]);
-                prims[i] = PrimRef(refs[i].bounds(),(size_t)refs[i].node);
-              }
-              return pinfo;
-            }, [] (const PrimInfo& a, const PrimInfo& b) { return PrimInfo::merge(a,b); });
-#endif   
-       
-          /* skip if all objects where empty */
-          if (pinfo.size() == 0)
-            bvh->set(BVH::emptyNode,empty,0);
-        
-          /* otherwise build toplevel hierarchy */
-          else
-          {
-            /* settings for BVH build */
-            GeneralBVHBuilder::Settings settings;
-            settings.branchingFactor = N;
-            settings.maxDepth = BVH::maxBuildDepthLeaf;
-            settings.logBlockSize = bsr(N);
-            settings.minLeafSize = 1;
-            settings.maxLeafSize = 1;
-            settings.travCost = 1.0f;
-            settings.intCost = 1.0f;
-            settings.singleThreadThreshold = singleThreadThreshold;
-      
-#if ENABLE_DIRECT_SAH_MERGE_BUILDER
-            
-            refs.resize(extSize); 
-         
-            NodeRef root = BVHBuilderBinnedOpenMergeSAH::build<NodeRef,BuildRef>(
-              typename BVH::CreateAlloc(bvh),
-              typename BVH::AABBNode::Create2(),
-              typename BVH::AABBNode::Set2(),
-              
-              [&] (const BuildRef* refs, const range<size_t>& range, const FastAllocator::CachedAllocator& alloc) -> NodeRef  {
-                assert(range.size() == 1);
-                return (NodeRef) refs[range.begin()].node;
-              },
-              [&] (BuildRef &bref, BuildRef *refs) -> size_t { 
-                return openBuildRef(bref,refs);
-              },              
-              [&] (size_t dn) { bvh->scene->progressMonitor(0); },
-              refs.data(),extSize,pinfo,settings);
-#else
-            NodeRef root = BVHBuilderBinnedSAH::build<NodeRef>(
-              typename BVH::CreateAlloc(bvh),
-              typename BVH::AABBNode::Create2(),
-              typename BVH::AABBNode::Set2(),
-              
-              [&] (const PrimRef* prims, const range<size_t>& range, const FastAllocator::CachedAllocator& alloc) -> NodeRef {
-                assert(range.size() == 1);
-                return (NodeRef) prims[range.begin()].ID();
-              },
-              [&] (size_t dn) { bvh->scene->progressMonitor(0); },
-              prims.data(),pinfo,settings);
-#endif
-
-            
-            bvh->set(root,LBBox3fa(pinfo.geomBounds),numPrimitives);
-          }
-        }
-#if defined(TASKING_TBB) && defined(__AVX512ER__) && USE_TASK_ARENA // KNL
-          );
-#endif
-
-      }  
-        
-      bvh->alloc.cleanup();
-      bvh->postBuild(t0);
-#if PROFILE
-      double d1 = getSeconds();
-      std::cout << "TOP_LEVEL OPENING/REBUILD TIME " << 1000.0*(d1-d0) << " ms" << std::endl;
-#endif
-      }
-
-    }
-    
-    template<int N, typename Mesh, typename Primitive>
-    void BVHNBuilderTwoLevel<N,Mesh,Primitive>::deleteGeometry(size_t geomID)
-    {
-      if (geomID >= bvh->objects.size()) return;
-      if (builders[geomID]) builders[geomID].reset();
-      delete bvh->objects [geomID]; bvh->objects [geomID] = nullptr;
-    }
-
-    template<int N, typename Mesh, typename Primitive>
-    void BVHNBuilderTwoLevel<N,Mesh,Primitive>::clear()
-    {
-      for (size_t i=0; i<bvh->objects.size(); i++) 
-        if (bvh->objects[i]) bvh->objects[i]->clear();
-
-      for (size_t i=0; i<builders.size(); i++) 
-        if (builders[i]) builders[i].reset();
-
-      refs.clear();
-    }
-
-    template<int N, typename Mesh, typename Primitive>
-    void BVHNBuilderTwoLevel<N,Mesh,Primitive>::open_sequential(const size_t extSize)
-    {
-      if (refs.size() == 0)
-	return;
-
-      refs.reserve(extSize);
-
-#if 1
-      for (size_t i=0;i<refs.size();i++)
-      {
-        NodeRef ref = refs[i].node;
-        if (ref.isAABBNode())
-          BVH::prefetch(ref);
-      }
-#endif
-
-      std::make_heap(refs.begin(),refs.end());
-      while (refs.size()+N-1 <= extSize)
-      {
-        std::pop_heap (refs.begin(),refs.end()); 
-        NodeRef ref = refs.back().node;
-        if (ref.isLeaf()) break;
-        refs.pop_back();    
-        
-        AABBNode* node = ref.getAABBNode();
-        for (size_t i=0; i<N; i++) {
-          if (node->child(i) == BVH::emptyNode) continue;
-          refs.push_back(BuildRef(node->bounds(i),node->child(i)));
-         
-#if 1
-          NodeRef ref_pre = node->child(i);
-          if (ref_pre.isAABBNode())
-            ref_pre.prefetch();
-#endif
-          std::push_heap (refs.begin(),refs.end()); 
-        }
-      }
-    }
-
-    template<int N, typename Mesh, typename Primitive>
-    void BVHNBuilderTwoLevel<N,Mesh,Primitive>::setupSmallBuildRefBuilder (size_t objectID, Mesh const * const /*mesh*/)
-    {
-      if (builders[objectID] == nullptr ||                                         // new mesh
-          dynamic_cast<RefBuilderSmall*>(builders[objectID].get()) == nullptr)     // size change resulted in large->small change
-      {
-        builders[objectID].reset (new RefBuilderSmall(objectID));
-      }
-    }
-
-    template<int N, typename Mesh, typename Primitive>
-    void BVHNBuilderTwoLevel<N,Mesh,Primitive>::setupLargeBuildRefBuilder (size_t objectID, Mesh const * const mesh)
-    {
-      if (bvh->objects[objectID] == nullptr ||                                  // new mesh
-          builders[objectID]->meshQualityChanged (mesh->quality) ||             // changed build quality
-          dynamic_cast<RefBuilderLarge*>(builders[objectID].get()) == nullptr)  // size change resulted in small->large change
-      {
-        Builder* builder = nullptr;
-        delete bvh->objects[objectID]; 
-        createMeshAccel(objectID, builder);
-        builders[objectID].reset (new RefBuilderLarge(objectID, builder, mesh->quality));
-      }
-    }
-
-#if defined(EMBREE_GEOMETRY_TRIANGLE)
-    Builder* BVH4BuilderTwoLevelTriangle4MeshSAH (void* bvh, Scene* scene, bool useMortonBuilder) {
-      return new BVHNBuilderTwoLevel<4,TriangleMesh,Triangle4>((BVH4*)bvh,scene,TriangleMesh::geom_type,useMortonBuilder);
-    }
-    Builder* BVH4BuilderTwoLevelTriangle4vMeshSAH (void* bvh, Scene* scene, bool useMortonBuilder) {
-      return new BVHNBuilderTwoLevel<4,TriangleMesh,Triangle4v>((BVH4*)bvh,scene,TriangleMesh::geom_type,useMortonBuilder);
-    }
-    Builder* BVH4BuilderTwoLevelTriangle4iMeshSAH (void* bvh, Scene* scene, bool useMortonBuilder) {
-      return new BVHNBuilderTwoLevel<4,TriangleMesh,Triangle4i>((BVH4*)bvh,scene,TriangleMesh::geom_type,useMortonBuilder);
-    }
-#endif
-
-#if defined(EMBREE_GEOMETRY_QUAD)
-    Builder* BVH4BuilderTwoLevelQuadMeshSAH (void* bvh, Scene* scene, bool useMortonBuilder) {
-    return new BVHNBuilderTwoLevel<4,QuadMesh,Quad4v>((BVH4*)bvh,scene,QuadMesh::geom_type,useMortonBuilder);
-    }
-#endif
-
-#if defined(EMBREE_GEOMETRY_USER)
-    Builder* BVH4BuilderTwoLevelVirtualSAH (void* bvh, Scene* scene, bool useMortonBuilder) {
-    return new BVHNBuilderTwoLevel<4,UserGeometry,Object>((BVH4*)bvh,scene,UserGeometry::geom_type,useMortonBuilder);
-    }
-#endif
-
-#if defined(EMBREE_GEOMETRY_INSTANCE)
-    Builder* BVH4BuilderTwoLevelInstanceSAH (void* bvh, Scene* scene, Geometry::GTypeMask gtype, bool useMortonBuilder) {
-      return new BVHNBuilderTwoLevel<4,Instance,InstancePrimitive>((BVH4*)bvh,scene,gtype,useMortonBuilder);
-    }
-#endif
-
-#if defined(__AVX__)
-#if defined(EMBREE_GEOMETRY_TRIANGLE)
-    Builder* BVH8BuilderTwoLevelTriangle4MeshSAH (void* bvh, Scene* scene, bool useMortonBuilder) {
-      return new BVHNBuilderTwoLevel<8,TriangleMesh,Triangle4>((BVH8*)bvh,scene,TriangleMesh::geom_type,useMortonBuilder);
-    }
-    Builder* BVH8BuilderTwoLevelTriangle4vMeshSAH (void* bvh, Scene* scene, bool useMortonBuilder) {
-      return new BVHNBuilderTwoLevel<8,TriangleMesh,Triangle4v>((BVH8*)bvh,scene,TriangleMesh::geom_type,useMortonBuilder);
-    }
-    Builder* BVH8BuilderTwoLevelTriangle4iMeshSAH (void* bvh, Scene* scene, bool useMortonBuilder) {
-      return new BVHNBuilderTwoLevel<8,TriangleMesh,Triangle4i>((BVH8*)bvh,scene,TriangleMesh::geom_type,useMortonBuilder);
-    }
-#endif
-
-#if defined(EMBREE_GEOMETRY_QUAD)
-    Builder* BVH8BuilderTwoLevelQuadMeshSAH (void* bvh, Scene* scene, bool useMortonBuilder) {
-      return new BVHNBuilderTwoLevel<8,QuadMesh,Quad4v>((BVH8*)bvh,scene,QuadMesh::geom_type,useMortonBuilder);
-    }
-#endif
-
-#if defined(EMBREE_GEOMETRY_USER)
-    Builder* BVH8BuilderTwoLevelVirtualSAH (void* bvh, Scene* scene, bool useMortonBuilder) {
-      return new BVHNBuilderTwoLevel<8,UserGeometry,Object>((BVH8*)bvh,scene,UserGeometry::geom_type,useMortonBuilder);
-    }
-#endif
-
-#if defined(EMBREE_GEOMETRY_INSTANCE)
-    Builder* BVH8BuilderTwoLevelInstanceSAH (void* bvh, Scene* scene, Geometry::GTypeMask gtype, bool useMortonBuilder) {
-      return new BVHNBuilderTwoLevel<8,Instance,InstancePrimitive>((BVH8*)bvh,scene,gtype,useMortonBuilder);
-    }
-#endif
-
-#endif
-  }
-}