godot/thirdparty/embree/kernels/bvh/bvh_builder.h

116 lines
4.7 KiB
C++

// Copyright 2009-2021 Intel Corporation
// SPDX-License-Identifier: Apache-2.0
#include "bvh.h"
#include "../builders/bvh_builder_sah.h"
#include "../builders/bvh_builder_msmblur.h"
namespace embree
{
namespace isa
{
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template<int N>
struct BVHNBuilderVirtual
{
typedef BVHN<N> BVH;
typedef typename BVH::NodeRef NodeRef;
typedef FastAllocator::CachedAllocator Allocator;
struct BVHNBuilderV {
NodeRef build(FastAllocator* allocator, BuildProgressMonitor& progress, PrimRef* prims, const PrimInfo& pinfo, GeneralBVHBuilder::Settings settings);
virtual NodeRef createLeaf (const PrimRef* prims, const range<size_t>& set, const Allocator& alloc) = 0;
};
template<typename CreateLeafFunc>
struct BVHNBuilderT : public BVHNBuilderV
{
BVHNBuilderT (CreateLeafFunc createLeafFunc)
: createLeafFunc(createLeafFunc) {}
NodeRef createLeaf (const PrimRef* prims, const range<size_t>& set, const Allocator& alloc) {
return createLeafFunc(prims,set,alloc);
}
private:
CreateLeafFunc createLeafFunc;
};
template<typename CreateLeafFunc>
static NodeRef build(FastAllocator* allocator, CreateLeafFunc createLeaf, BuildProgressMonitor& progress, PrimRef* prims, const PrimInfo& pinfo, GeneralBVHBuilder::Settings settings) {
return BVHNBuilderT<CreateLeafFunc>(createLeaf).build(allocator,progress,prims,pinfo,settings);
}
};
template<int N>
struct BVHNBuilderQuantizedVirtual
{
typedef BVHN<N> BVH;
typedef typename BVH::NodeRef NodeRef;
typedef FastAllocator::CachedAllocator Allocator;
struct BVHNBuilderV {
NodeRef build(FastAllocator* allocator, BuildProgressMonitor& progress, PrimRef* prims, const PrimInfo& pinfo, GeneralBVHBuilder::Settings settings);
virtual NodeRef createLeaf (const PrimRef* prims, const range<size_t>& set, const Allocator& alloc) = 0;
};
template<typename CreateLeafFunc>
struct BVHNBuilderT : public BVHNBuilderV
{
BVHNBuilderT (CreateLeafFunc createLeafFunc)
: createLeafFunc(createLeafFunc) {}
NodeRef createLeaf (const PrimRef* prims, const range<size_t>& set, const Allocator& alloc) {
return createLeafFunc(prims,set,alloc);
}
private:
CreateLeafFunc createLeafFunc;
};
template<typename CreateLeafFunc>
static NodeRef build(FastAllocator* allocator, CreateLeafFunc createLeaf, BuildProgressMonitor& progress, PrimRef* prims, const PrimInfo& pinfo, GeneralBVHBuilder::Settings settings) {
return BVHNBuilderT<CreateLeafFunc>(createLeaf).build(allocator,progress,prims,pinfo,settings);
}
};
template<int N>
struct BVHNBuilderMblurVirtual
{
typedef BVHN<N> BVH;
typedef typename BVH::AABBNodeMB AABBNodeMB;
typedef typename BVH::NodeRef NodeRef;
typedef typename BVH::NodeRecordMB NodeRecordMB;
typedef FastAllocator::CachedAllocator Allocator;
struct BVHNBuilderV {
NodeRecordMB build(FastAllocator* allocator, BuildProgressMonitor& progress, PrimRef* prims, const PrimInfo& pinfo, GeneralBVHBuilder::Settings settings, const BBox1f& timeRange);
virtual NodeRecordMB createLeaf (const PrimRef* prims, const range<size_t>& set, const Allocator& alloc) = 0;
};
template<typename CreateLeafFunc>
struct BVHNBuilderT : public BVHNBuilderV
{
BVHNBuilderT (CreateLeafFunc createLeafFunc)
: createLeafFunc(createLeafFunc) {}
NodeRecordMB createLeaf (const PrimRef* prims, const range<size_t>& set, const Allocator& alloc) {
return createLeafFunc(prims,set,alloc);
}
private:
CreateLeafFunc createLeafFunc;
};
template<typename CreateLeafFunc>
static NodeRecordMB build(FastAllocator* allocator, CreateLeafFunc createLeaf, BuildProgressMonitor& progress, PrimRef* prims, const PrimInfo& pinfo, GeneralBVHBuilder::Settings settings, const BBox1f& timeRange) {
return BVHNBuilderT<CreateLeafFunc>(createLeaf).build(allocator,progress,prims,pinfo,settings,timeRange);
}
};
}
}