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godotengine
GitHub Repository: godotengine/godot
 Path: blob/master/thirdparty/embree/kernels/bvh/bvh_builder.cpp
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// Copyright 2009-2021 Intel Corporation

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// SPDX-License-Identifier: Apache-2.0

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#include "bvh_builder.h"

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namespace embree

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{

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  namespace isa

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  {

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    template<int N>

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    typename BVHN<N>::NodeRef BVHNBuilderVirtual<N>::BVHNBuilderV::build(FastAllocator* allocator, BuildProgressMonitor& progressFunc, PrimRef* prims, const PrimInfo& pinfo, GeneralBVHBuilder::Settings settings)

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    {

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      auto createLeafFunc = [&] (const PrimRef* prims, const range<size_t>& set, const Allocator& alloc) -> NodeRef {

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        return createLeaf(prims,set,alloc);

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      };

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      settings.branchingFactor = N;

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      settings.maxDepth = BVH::maxBuildDepthLeaf;

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      return BVHBuilderBinnedSAH::build<NodeRef>

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        (FastAllocator::Create(allocator),typename BVH::AABBNode::Create2(),typename BVH::AABBNode::Set3(allocator,prims),createLeafFunc,progressFunc,prims,pinfo,settings);

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    }

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    template<int N>

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    typename BVHN<N>::NodeRef BVHNBuilderQuantizedVirtual<N>::BVHNBuilderV::build(FastAllocator* allocator, BuildProgressMonitor& progressFunc, PrimRef* prims, const PrimInfo& pinfo, GeneralBVHBuilder::Settings settings)

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    {

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      auto createLeafFunc = [&] (const PrimRef* prims, const range<size_t>& set, const Allocator& alloc) -> NodeRef {

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        return createLeaf(prims,set,alloc);

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      };

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      settings.branchingFactor = N;

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      settings.maxDepth = BVH::maxBuildDepthLeaf;

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      return BVHBuilderBinnedSAH::build<NodeRef>

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        (FastAllocator::Create(allocator),typename BVH::QuantizedNode::Create2(),typename BVH::QuantizedNode::Set2(),createLeafFunc,progressFunc,prims,pinfo,settings);

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    }

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    template<int N>

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    typename BVHN<N>::NodeRecordMB BVHNBuilderMblurVirtual<N>::BVHNBuilderV::build(FastAllocator* allocator, BuildProgressMonitor& progressFunc, PrimRef* prims, const PrimInfo& pinfo, GeneralBVHBuilder::Settings settings, const BBox1f& timeRange)

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    {

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      auto createLeafFunc = [&] (const PrimRef* prims, const range<size_t>& set, const Allocator& alloc) -> NodeRecordMB {

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        return createLeaf(prims,set,alloc);

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      };

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      settings.branchingFactor = N;

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      settings.maxDepth = BVH::maxBuildDepthLeaf;

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      return BVHBuilderBinnedSAH::build<NodeRecordMB>

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        (FastAllocator::Create(allocator),typename BVH::AABBNodeMB::Create(),typename BVH::AABBNodeMB::SetTimeRange(timeRange),createLeafFunc,progressFunc,prims,pinfo,settings);

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    }

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    template struct BVHNBuilderVirtual<4>;

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    template struct BVHNBuilderQuantizedVirtual<4>;

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    template struct BVHNBuilderMblurVirtual<4>;    

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#if defined(__AVX__)

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    template struct BVHNBuilderVirtual<8>;

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    template struct BVHNBuilderQuantizedVirtual<8>;

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    template struct BVHNBuilderMblurVirtual<8>;

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#endif

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  }

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}

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