initial commit, 4.5 stable

thirdparty/embree/kernels/bvh/bvh_builder.cpp

@@ -0,0 +1,60 @@
+// Copyright 2009-2021 Intel Corporation
+// SPDX-License-Identifier: Apache-2.0
+
+#include "bvh_builder.h"
+
+namespace embree
+{
+  namespace isa
+  {
+    template<int N>
+    typename BVHN<N>::NodeRef BVHNBuilderVirtual<N>::BVHNBuilderV::build(FastAllocator* allocator, BuildProgressMonitor& progressFunc, PrimRef* prims, const PrimInfo& pinfo, GeneralBVHBuilder::Settings settings)
+    {
+      auto createLeafFunc = [&] (const PrimRef* prims, const range<size_t>& set, const Allocator& alloc) -> NodeRef {
+        return createLeaf(prims,set,alloc);
+      };
+      
+      settings.branchingFactor = N;
+      settings.maxDepth = BVH::maxBuildDepthLeaf;
+      return BVHBuilderBinnedSAH::build<NodeRef>
+        (FastAllocator::Create(allocator),typename BVH::AABBNode::Create2(),typename BVH::AABBNode::Set3(allocator,prims),createLeafFunc,progressFunc,prims,pinfo,settings);
+    }
+
+
+    template<int N>
+    typename BVHN<N>::NodeRef BVHNBuilderQuantizedVirtual<N>::BVHNBuilderV::build(FastAllocator* allocator, BuildProgressMonitor& progressFunc, PrimRef* prims, const PrimInfo& pinfo, GeneralBVHBuilder::Settings settings)
+    {
+      auto createLeafFunc = [&] (const PrimRef* prims, const range<size_t>& set, const Allocator& alloc) -> NodeRef {
+        return createLeaf(prims,set,alloc);
+      };
+            
+      settings.branchingFactor = N;
+      settings.maxDepth = BVH::maxBuildDepthLeaf;
+      return BVHBuilderBinnedSAH::build<NodeRef>
+        (FastAllocator::Create(allocator),typename BVH::QuantizedNode::Create2(),typename BVH::QuantizedNode::Set2(),createLeafFunc,progressFunc,prims,pinfo,settings);
+    }
+
+    template<int N>
+    typename BVHN<N>::NodeRecordMB BVHNBuilderMblurVirtual<N>::BVHNBuilderV::build(FastAllocator* allocator, BuildProgressMonitor& progressFunc, PrimRef* prims, const PrimInfo& pinfo, GeneralBVHBuilder::Settings settings, const BBox1f& timeRange)
+    {
+      auto createLeafFunc = [&] (const PrimRef* prims, const range<size_t>& set, const Allocator& alloc) -> NodeRecordMB {
+        return createLeaf(prims,set,alloc);
+      };
+
+      settings.branchingFactor = N;
+      settings.maxDepth = BVH::maxBuildDepthLeaf;
+      return BVHBuilderBinnedSAH::build<NodeRecordMB>
+        (FastAllocator::Create(allocator),typename BVH::AABBNodeMB::Create(),typename BVH::AABBNodeMB::SetTimeRange(timeRange),createLeafFunc,progressFunc,prims,pinfo,settings);
+    }
+
+    template struct BVHNBuilderVirtual<4>;
+    template struct BVHNBuilderQuantizedVirtual<4>;
+    template struct BVHNBuilderMblurVirtual<4>;    
+
+#if defined(__AVX__)
+    template struct BVHNBuilderVirtual<8>;
+    template struct BVHNBuilderQuantizedVirtual<8>;
+    template struct BVHNBuilderMblurVirtual<8>;
+#endif
+  }
+}