544 lines
26 KiB
C++
544 lines
26 KiB
C++
// Copyright 2009-2021 Intel Corporation
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// SPDX-License-Identifier: Apache-2.0
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#include "bvh.h"
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#include "bvh_builder.h"
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#include "../builders/primrefgen.h"
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#include "../builders/splitter.h"
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#include "../geometry/linei.h"
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#include "../geometry/triangle.h"
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#include "../geometry/trianglev.h"
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#include "../geometry/trianglev_mb.h"
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#include "../geometry/trianglei.h"
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#include "../geometry/quadv.h"
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#include "../geometry/quadi.h"
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#include "../geometry/object.h"
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#include "../geometry/instance.h"
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#include "../geometry/subgrid.h"
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#include "../common/state.h"
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#include "../../common/algorithms/parallel_for_for.h"
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#include "../../common/algorithms/parallel_for_for_prefix_sum.h"
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#define PROFILE 0
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#define PROFILE_RUNS 20
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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, typename Primitive>
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struct CreateLeaf
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{
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typedef BVHN<N> BVH;
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typedef typename BVH::NodeRef NodeRef;
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__forceinline CreateLeaf (BVH* bvh) : bvh(bvh) {}
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__forceinline NodeRef operator() (const PrimRef* prims, const range<size_t>& set, const FastAllocator::CachedAllocator& alloc) const
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{
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size_t n = set.size();
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size_t items = Primitive::blocks(n);
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size_t start = set.begin();
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Primitive* accel = (Primitive*) alloc.malloc1(items*sizeof(Primitive),BVH::byteAlignment);
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typename BVH::NodeRef node = BVH::encodeLeaf((char*)accel,items);
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for (size_t i=0; i<items; i++) {
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accel[i].fill(prims,start,set.end(),bvh->scene);
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}
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return node;
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}
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BVH* bvh;
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};
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template<int N, typename Primitive>
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struct CreateLeafQuantized
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{
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typedef BVHN<N> BVH;
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typedef typename BVH::NodeRef NodeRef;
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__forceinline CreateLeafQuantized (BVH* bvh) : bvh(bvh) {}
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__forceinline NodeRef operator() (const PrimRef* prims, const range<size_t>& set, const FastAllocator::CachedAllocator& alloc) const
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{
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size_t n = set.size();
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size_t items = Primitive::blocks(n);
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size_t start = set.begin();
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Primitive* accel = (Primitive*) alloc.malloc1(items*sizeof(Primitive),BVH::byteAlignment);
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typename BVH::NodeRef node = BVH::encodeLeaf((char*)accel,items);
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for (size_t i=0; i<items; i++) {
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accel[i].fill(prims,start,set.end(),bvh->scene);
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}
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return node;
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}
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BVH* bvh;
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};
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/************************************************************************************/
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/************************************************************************************/
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/************************************************************************************/
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/************************************************************************************/
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template<int N, typename Primitive>
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struct BVHNBuilderSAH : public Builder
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{
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typedef BVHN<N> BVH;
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typedef typename BVHN<N>::NodeRef NodeRef;
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BVH* bvh;
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Scene* scene;
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Geometry* mesh;
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mvector<PrimRef> prims;
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GeneralBVHBuilder::Settings settings;
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Geometry::GTypeMask gtype_;
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unsigned int geomID_ = std::numeric_limits<unsigned int>::max ();
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bool primrefarrayalloc;
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unsigned int numPreviousPrimitives = 0;
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BVHNBuilderSAH (BVH* bvh, Scene* scene, const size_t sahBlockSize, const float intCost, const size_t minLeafSize, const size_t maxLeafSize,
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const Geometry::GTypeMask gtype, bool primrefarrayalloc = false)
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: bvh(bvh), scene(scene), mesh(nullptr), prims(scene->device,0),
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settings(sahBlockSize, minLeafSize, min(maxLeafSize,Primitive::max_size()*BVH::maxLeafBlocks), travCost, intCost, DEFAULT_SINGLE_THREAD_THRESHOLD), gtype_(gtype), primrefarrayalloc(primrefarrayalloc) {}
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BVHNBuilderSAH (BVH* bvh, Geometry* mesh, unsigned int geomID, const size_t sahBlockSize, const float intCost, const size_t minLeafSize, const size_t maxLeafSize, const Geometry::GTypeMask gtype)
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: bvh(bvh), scene(nullptr), mesh(mesh), prims(bvh->device,0), settings(sahBlockSize, minLeafSize, min(maxLeafSize,Primitive::max_size()*BVH::maxLeafBlocks), travCost, intCost, DEFAULT_SINGLE_THREAD_THRESHOLD), gtype_(gtype), geomID_(geomID), primrefarrayalloc(false) {}
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// FIXME: shrink bvh->alloc in destructor here and in other builders too
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void build()
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{
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/* we reset the allocator when the mesh size changed */
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if (mesh && mesh->numPrimitives != numPreviousPrimitives) {
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bvh->alloc.clear();
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}
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/* if we use the primrefarray for allocations we have to take it back from the BVH */
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if (settings.primrefarrayalloc != size_t(inf))
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bvh->alloc.unshare(prims);
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/* skip build for empty scene */
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const size_t numPrimitives = mesh ? mesh->size() : scene->getNumPrimitives(gtype_,false);
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numPreviousPrimitives = numPrimitives;
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if (numPrimitives == 0) {
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bvh->clear();
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prims.clear();
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return;
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}
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double t0 = bvh->preBuild(mesh ? "" : TOSTRING(isa) "::BVH" + toString(N) + "BuilderSAH");
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#if PROFILE
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profile(2,PROFILE_RUNS,numPrimitives,[&] (ProfileTimer& timer) {
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#endif
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/* create primref array */
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if (primrefarrayalloc) {
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settings.primrefarrayalloc = numPrimitives/1000;
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if (settings.primrefarrayalloc < 1000)
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settings.primrefarrayalloc = inf;
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}
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/* enable os_malloc for two level build */
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if (mesh)
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bvh->alloc.setOSallocation(true);
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/* initialize allocator */
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const size_t node_bytes = numPrimitives*sizeof(typename BVH::AABBNodeMB)/(4*N);
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const size_t leaf_bytes = size_t(1.2*Primitive::blocks(numPrimitives)*sizeof(Primitive));
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bvh->alloc.init_estimate(node_bytes+leaf_bytes);
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settings.singleThreadThreshold = bvh->alloc.fixSingleThreadThreshold(N,DEFAULT_SINGLE_THREAD_THRESHOLD,numPrimitives,node_bytes+leaf_bytes);
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prims.resize(numPrimitives);
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PrimInfo pinfo = mesh ?
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createPrimRefArray(mesh,geomID_,numPrimitives,prims,bvh->scene->progressInterface) :
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createPrimRefArray(scene,gtype_,false,numPrimitives,prims,bvh->scene->progressInterface);
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/* pinfo might has zero size due to invalid geometry */
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if (unlikely(pinfo.size() == 0))
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{
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bvh->clear();
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prims.clear();
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return;
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}
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/* call BVH builder */
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NodeRef root = BVHNBuilderVirtual<N>::build(&bvh->alloc,CreateLeaf<N,Primitive>(bvh),bvh->scene->progressInterface,prims.data(),pinfo,settings);
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bvh->set(root,LBBox3fa(pinfo.geomBounds),pinfo.size());
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bvh->layoutLargeNodes(size_t(pinfo.size()*0.005f));
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#if PROFILE
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});
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#endif
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/* if we allocated using the primrefarray we have to keep it alive */
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if (settings.primrefarrayalloc != size_t(inf))
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bvh->alloc.share(prims);
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/* for static geometries we can do some cleanups */
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else if (scene && scene->isStaticAccel()) {
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prims.clear();
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}
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bvh->cleanup();
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bvh->postBuild(t0);
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}
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void clear() {
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prims.clear();
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}
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};
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/************************************************************************************/
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/************************************************************************************/
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/************************************************************************************/
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/************************************************************************************/
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template<int N, typename Primitive>
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struct BVHNBuilderSAHQuantized : public Builder
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{
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typedef BVHN<N> BVH;
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typedef typename BVHN<N>::NodeRef NodeRef;
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BVH* bvh;
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Scene* scene;
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Geometry* mesh;
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mvector<PrimRef> prims;
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GeneralBVHBuilder::Settings settings;
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Geometry::GTypeMask gtype_;
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unsigned int geomID_ = std::numeric_limits<unsigned int>::max();
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unsigned int numPreviousPrimitives = 0;
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BVHNBuilderSAHQuantized (BVH* bvh, Scene* scene, const size_t sahBlockSize, const float intCost, const size_t minLeafSize, const size_t maxLeafSize, const Geometry::GTypeMask gtype)
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: bvh(bvh), scene(scene), mesh(nullptr), prims(scene->device,0), settings(sahBlockSize, minLeafSize, min(maxLeafSize,Primitive::max_size()*BVH::maxLeafBlocks), travCost, intCost, DEFAULT_SINGLE_THREAD_THRESHOLD), gtype_(gtype) {}
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BVHNBuilderSAHQuantized (BVH* bvh, Geometry* mesh, unsigned int geomID, const size_t sahBlockSize, const float intCost, const size_t minLeafSize, const size_t maxLeafSize, const Geometry::GTypeMask gtype)
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: bvh(bvh), scene(nullptr), mesh(mesh), prims(bvh->device,0), settings(sahBlockSize, minLeafSize, min(maxLeafSize,Primitive::max_size()*BVH::maxLeafBlocks), travCost, intCost, DEFAULT_SINGLE_THREAD_THRESHOLD), gtype_(gtype), geomID_(geomID) {}
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// FIXME: shrink bvh->alloc in destructor here and in other builders too
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void build()
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{
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/* we reset the allocator when the mesh size changed */
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if (mesh && mesh->numPrimitives != numPreviousPrimitives) {
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bvh->alloc.clear();
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}
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/* skip build for empty scene */
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const size_t numPrimitives = mesh ? mesh->size() : scene->getNumPrimitives(gtype_,false);
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numPreviousPrimitives = numPrimitives;
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if (numPrimitives == 0) {
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prims.clear();
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bvh->clear();
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return;
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}
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double t0 = bvh->preBuild(mesh ? "" : TOSTRING(isa) "::QBVH" + toString(N) + "BuilderSAH");
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#if PROFILE
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profile(2,PROFILE_RUNS,numPrimitives,[&] (ProfileTimer& timer) {
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#endif
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/* create primref array */
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prims.resize(numPrimitives);
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PrimInfo pinfo = mesh ?
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createPrimRefArray(mesh,geomID_,numPrimitives,prims,bvh->scene->progressInterface) :
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createPrimRefArray(scene,gtype_,false,numPrimitives,prims,bvh->scene->progressInterface);
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/* enable os_malloc for two level build */
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if (mesh)
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bvh->alloc.setOSallocation(true);
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/* call BVH builder */
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const size_t node_bytes = numPrimitives*sizeof(typename BVH::QuantizedNode)/(4*N);
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const size_t leaf_bytes = size_t(1.2*Primitive::blocks(numPrimitives)*sizeof(Primitive));
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bvh->alloc.init_estimate(node_bytes+leaf_bytes);
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settings.singleThreadThreshold = bvh->alloc.fixSingleThreadThreshold(N,DEFAULT_SINGLE_THREAD_THRESHOLD,numPrimitives,node_bytes+leaf_bytes);
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NodeRef root = BVHNBuilderQuantizedVirtual<N>::build(&bvh->alloc,CreateLeafQuantized<N,Primitive>(bvh),bvh->scene->progressInterface,prims.data(),pinfo,settings);
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bvh->set(root,LBBox3fa(pinfo.geomBounds),pinfo.size());
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//bvh->layoutLargeNodes(pinfo.size()*0.005f); // FIXME: COPY LAYOUT FOR LARGE NODES !!!
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#if PROFILE
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});
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#endif
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/* clear temporary data for static geometry */
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if (scene && scene->isStaticAccel()) {
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prims.clear();
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}
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bvh->cleanup();
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bvh->postBuild(t0);
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}
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void clear() {
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prims.clear();
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}
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};
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/************************************************************************************/
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/************************************************************************************/
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/************************************************************************************/
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/************************************************************************************/
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template<int N, typename Primitive>
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struct CreateLeafGrid
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{
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typedef BVHN<N> BVH;
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typedef typename BVH::NodeRef NodeRef;
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__forceinline CreateLeafGrid (BVH* bvh, const SubGridBuildData * const sgrids) : bvh(bvh),sgrids(sgrids) {}
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__forceinline NodeRef operator() (const PrimRef* prims, const range<size_t>& set, const FastAllocator::CachedAllocator& alloc) const
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{
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const size_t items = set.size(); //Primitive::blocks(n);
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const size_t start = set.begin();
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/* collect all subsets with unique geomIDs */
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assert(items <= N);
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unsigned int geomIDs[N];
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unsigned int num_geomIDs = 1;
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geomIDs[0] = prims[start].geomID();
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for (size_t i=1;i<items;i++)
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{
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bool found = false;
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const unsigned int new_geomID = prims[start+i].geomID();
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for (size_t j=0;j<num_geomIDs;j++)
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if (new_geomID == geomIDs[j])
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{ found = true; break; }
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if (!found)
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geomIDs[num_geomIDs++] = new_geomID;
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}
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/* allocate all leaf memory in one single block */
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SubGridQBVHN<N>* accel = (SubGridQBVHN<N>*) alloc.malloc1(num_geomIDs*sizeof(SubGridQBVHN<N>),BVH::byteAlignment);
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typename BVH::NodeRef node = BVH::encodeLeaf((char*)accel,num_geomIDs);
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for (size_t g=0;g<num_geomIDs;g++)
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{
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unsigned int x[N];
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unsigned int y[N];
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unsigned int primID[N];
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BBox3fa bounds[N];
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unsigned int pos = 0;
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for (size_t i=0;i<items;i++)
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{
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if (unlikely(prims[start+i].geomID() != geomIDs[g])) continue;
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const SubGridBuildData& sgrid_bd = sgrids[prims[start+i].primID()];
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x[pos] = sgrid_bd.sx;
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y[pos] = sgrid_bd.sy;
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primID[pos] = sgrid_bd.primID;
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bounds[pos] = prims[start+i].bounds();
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pos++;
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}
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assert(pos <= N);
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new (&accel[g]) SubGridQBVHN<N>(x,y,primID,bounds,geomIDs[g],pos);
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}
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return node;
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}
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BVH* bvh;
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const SubGridBuildData * const sgrids;
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};
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template<int N>
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struct BVHNBuilderSAHGrid : public Builder
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{
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typedef BVHN<N> BVH;
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typedef typename BVHN<N>::NodeRef NodeRef;
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BVH* bvh;
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Scene* scene;
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GridMesh* mesh;
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mvector<PrimRef> prims;
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mvector<SubGridBuildData> sgrids;
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GeneralBVHBuilder::Settings settings;
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const unsigned int geomID_ = std::numeric_limits<unsigned int>::max();
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unsigned int numPreviousPrimitives = 0;
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BVHNBuilderSAHGrid (BVH* bvh, Scene* scene, const size_t sahBlockSize, const float intCost, const size_t minLeafSize, const size_t maxLeafSize, const size_t mode)
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: bvh(bvh), scene(scene), mesh(nullptr), prims(scene->device,0), sgrids(scene->device,0), settings(sahBlockSize, minLeafSize, min(maxLeafSize,BVH::maxLeafBlocks), travCost, intCost, DEFAULT_SINGLE_THREAD_THRESHOLD) {}
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BVHNBuilderSAHGrid (BVH* bvh, GridMesh* mesh, unsigned int geomID, const size_t sahBlockSize, const float intCost, const size_t minLeafSize, const size_t maxLeafSize, const size_t mode)
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: bvh(bvh), scene(nullptr), mesh(mesh), prims(bvh->device,0), sgrids(scene->device,0), settings(sahBlockSize, minLeafSize, min(maxLeafSize,BVH::maxLeafBlocks), travCost, intCost, DEFAULT_SINGLE_THREAD_THRESHOLD), geomID_(geomID) {}
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void build()
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{
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/* we reset the allocator when the mesh size changed */
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if (mesh && mesh->numPrimitives != numPreviousPrimitives) {
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bvh->alloc.clear();
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}
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/* if we use the primrefarray for allocations we have to take it back from the BVH */
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if (settings.primrefarrayalloc != size_t(inf))
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bvh->alloc.unshare(prims);
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const size_t numGridPrimitives = mesh ? mesh->size() : scene->getNumPrimitives(GridMesh::geom_type,false);
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numPreviousPrimitives = numGridPrimitives;
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PrimInfo pinfo = mesh ? createPrimRefArrayGrids(mesh,prims,sgrids) : createPrimRefArrayGrids(scene,prims,sgrids);
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const size_t numPrimitives = pinfo.size();
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/* no primitives */
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if (numPrimitives == 0) {
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bvh->clear();
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prims.clear();
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sgrids.clear();
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return;
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}
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double t0 = bvh->preBuild(mesh ? "" : TOSTRING(isa) "::BVH" + toString(N) + "BuilderSAH");
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/* create primref array */
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settings.primrefarrayalloc = numPrimitives/1000;
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if (settings.primrefarrayalloc < 1000)
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settings.primrefarrayalloc = inf;
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/* enable os_malloc for two level build */
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if (mesh)
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bvh->alloc.setOSallocation(true);
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/* initialize allocator */
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const size_t node_bytes = numPrimitives*sizeof(typename BVH::AABBNodeMB)/(4*N);
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const size_t leaf_bytes = size_t(1.2*(float)numPrimitives/N * sizeof(SubGridQBVHN<N>));
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bvh->alloc.init_estimate(node_bytes+leaf_bytes);
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settings.singleThreadThreshold = bvh->alloc.fixSingleThreadThreshold(N,DEFAULT_SINGLE_THREAD_THRESHOLD,numPrimitives,node_bytes+leaf_bytes);
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/* pinfo might has zero size due to invalid geometry */
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if (unlikely(pinfo.size() == 0))
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{
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bvh->clear();
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sgrids.clear();
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prims.clear();
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return;
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}
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/* call BVH builder */
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NodeRef root = BVHNBuilderVirtual<N>::build(&bvh->alloc,CreateLeafGrid<N,SubGridQBVHN<N>>(bvh,sgrids.data()),bvh->scene->progressInterface,prims.data(),pinfo,settings);
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bvh->set(root,LBBox3fa(pinfo.geomBounds),pinfo.size());
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bvh->layoutLargeNodes(size_t(pinfo.size()*0.005f));
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/* clear temporary array */
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sgrids.clear();
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/* if we allocated using the primrefarray we have to keep it alive */
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if (settings.primrefarrayalloc != size_t(inf))
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bvh->alloc.share(prims);
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/* for static geometries we can do some cleanups */
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else if (scene && scene->isStaticAccel()) {
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prims.clear();
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}
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bvh->cleanup();
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bvh->postBuild(t0);
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}
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void clear() {
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prims.clear();
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}
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};
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/************************************************************************************/
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/************************************************************************************/
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/************************************************************************************/
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/************************************************************************************/
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#if defined(EMBREE_GEOMETRY_TRIANGLE)
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Builder* BVH4Triangle4MeshBuilderSAH (void* bvh, TriangleMesh* mesh, unsigned int geomID, size_t mode) { return new BVHNBuilderSAH<4,Triangle4>((BVH4*)bvh,mesh,geomID,4,1.0f,4,inf,TriangleMesh::geom_type); }
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Builder* BVH4Triangle4vMeshBuilderSAH (void* bvh, TriangleMesh* mesh, unsigned int geomID, size_t mode) { return new BVHNBuilderSAH<4,Triangle4v>((BVH4*)bvh,mesh,geomID,4,1.0f,4,inf,TriangleMesh::geom_type); }
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Builder* BVH4Triangle4iMeshBuilderSAH (void* bvh, TriangleMesh* mesh, unsigned int geomID, size_t mode) { return new BVHNBuilderSAH<4,Triangle4i>((BVH4*)bvh,mesh,geomID,4,1.0f,4,inf,TriangleMesh::geom_type); }
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Builder* BVH4Triangle4SceneBuilderSAH (void* bvh, Scene* scene, size_t mode) { return new BVHNBuilderSAH<4,Triangle4>((BVH4*)bvh,scene,4,1.0f,4,inf,TriangleMesh::geom_type); }
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Builder* BVH4Triangle4vSceneBuilderSAH (void* bvh, Scene* scene, size_t mode) { return new BVHNBuilderSAH<4,Triangle4v>((BVH4*)bvh,scene,4,1.0f,4,inf,TriangleMesh::geom_type); }
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Builder* BVH4Triangle4iSceneBuilderSAH (void* bvh, Scene* scene, size_t mode) { return new BVHNBuilderSAH<4,Triangle4i>((BVH4*)bvh,scene,4,1.0f,4,inf,TriangleMesh::geom_type,true); }
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Builder* BVH4QuantizedTriangle4iSceneBuilderSAH (void* bvh, Scene* scene, size_t mode) { return new BVHNBuilderSAHQuantized<4,Triangle4i>((BVH4*)bvh,scene,4,1.0f,4,inf,TriangleMesh::geom_type); }
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#if defined(__AVX__)
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Builder* BVH8Triangle4MeshBuilderSAH (void* bvh, TriangleMesh* mesh, unsigned int geomID, size_t mode) { return new BVHNBuilderSAH<8,Triangle4>((BVH8*)bvh,mesh,geomID,4,1.0f,4,inf,TriangleMesh::geom_type); }
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Builder* BVH8Triangle4vMeshBuilderSAH (void* bvh, TriangleMesh* mesh, unsigned int geomID, size_t mode) { return new BVHNBuilderSAH<8,Triangle4v>((BVH8*)bvh,mesh,geomID,4,1.0f,4,inf,TriangleMesh::geom_type); }
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Builder* BVH8Triangle4iMeshBuilderSAH (void* bvh, TriangleMesh* mesh, unsigned int geomID, size_t mode) { return new BVHNBuilderSAH<8,Triangle4i>((BVH8*)bvh,mesh,geomID,4,1.0f,4,inf,TriangleMesh::geom_type); }
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Builder* BVH8Triangle4SceneBuilderSAH (void* bvh, Scene* scene, size_t mode) { return new BVHNBuilderSAH<8,Triangle4>((BVH8*)bvh,scene,4,1.0f,4,inf,TriangleMesh::geom_type); }
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Builder* BVH8Triangle4vSceneBuilderSAH (void* bvh, Scene* scene, size_t mode) { return new BVHNBuilderSAH<8,Triangle4v>((BVH8*)bvh,scene,4,1.0f,4,inf,TriangleMesh::geom_type); }
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Builder* BVH8Triangle4iSceneBuilderSAH (void* bvh, Scene* scene, size_t mode) { return new BVHNBuilderSAH<8,Triangle4i>((BVH8*)bvh,scene,4,1.0f,4,inf,TriangleMesh::geom_type,true); }
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Builder* BVH8QuantizedTriangle4iSceneBuilderSAH (void* bvh, Scene* scene, size_t mode) { return new BVHNBuilderSAHQuantized<8,Triangle4i>((BVH8*)bvh,scene,4,1.0f,4,inf,TriangleMesh::geom_type); }
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Builder* BVH8QuantizedTriangle4SceneBuilderSAH (void* bvh, Scene* scene, size_t mode) { return new BVHNBuilderSAHQuantized<8,Triangle4>((BVH8*)bvh,scene,4,1.0f,4,inf,TriangleMesh::geom_type); }
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#endif
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#endif
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#if defined(EMBREE_GEOMETRY_QUAD)
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Builder* BVH4Quad4vMeshBuilderSAH (void* bvh, QuadMesh* mesh, unsigned int geomID, size_t mode) { return new BVHNBuilderSAH<4,Quad4v>((BVH4*)bvh,mesh,geomID,4,1.0f,4,inf,QuadMesh::geom_type); }
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Builder* BVH4Quad4iMeshBuilderSAH (void* bvh, QuadMesh* mesh, unsigned int geomID, size_t mode) { return new BVHNBuilderSAH<4,Quad4i>((BVH4*)bvh,mesh,geomID,4,1.0f,4,inf,QuadMesh::geom_type); }
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Builder* BVH4Quad4vSceneBuilderSAH (void* bvh, Scene* scene, size_t mode) { return new BVHNBuilderSAH<4,Quad4v>((BVH4*)bvh,scene,4,1.0f,4,inf,QuadMesh::geom_type); }
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Builder* BVH4Quad4iSceneBuilderSAH (void* bvh, Scene* scene, size_t mode) { return new BVHNBuilderSAH<4,Quad4i>((BVH4*)bvh,scene,4,1.0f,4,inf,QuadMesh::geom_type,true); }
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Builder* BVH4QuantizedQuad4vSceneBuilderSAH (void* bvh, Scene* scene, size_t mode) { return new BVHNBuilderSAHQuantized<4,Quad4v>((BVH4*)bvh,scene,4,1.0f,4,inf,QuadMesh::geom_type); }
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Builder* BVH4QuantizedQuad4iSceneBuilderSAH (void* bvh, Scene* scene, size_t mode) { return new BVHNBuilderSAHQuantized<4,Quad4i>((BVH4*)bvh,scene,4,1.0f,4,inf,QuadMesh::geom_type); }
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#if defined(__AVX__)
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Builder* BVH8Quad4vSceneBuilderSAH (void* bvh, Scene* scene, size_t mode) { return new BVHNBuilderSAH<8,Quad4v>((BVH8*)bvh,scene,4,1.0f,4,inf,QuadMesh::geom_type); }
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Builder* BVH8Quad4iSceneBuilderSAH (void* bvh, Scene* scene, size_t mode) { return new BVHNBuilderSAH<8,Quad4i>((BVH8*)bvh,scene,4,1.0f,4,inf,QuadMesh::geom_type,true); }
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Builder* BVH8QuantizedQuad4vSceneBuilderSAH (void* bvh, Scene* scene, size_t mode) { return new BVHNBuilderSAHQuantized<8,Quad4v>((BVH8*)bvh,scene,4,1.0f,4,inf,QuadMesh::geom_type); }
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Builder* BVH8QuantizedQuad4iSceneBuilderSAH (void* bvh, Scene* scene, size_t mode) { return new BVHNBuilderSAHQuantized<8,Quad4i>((BVH8*)bvh,scene,4,1.0f,4,inf,QuadMesh::geom_type); }
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Builder* BVH8Quad4vMeshBuilderSAH (void* bvh, QuadMesh* mesh, unsigned int geomID, size_t mode) { return new BVHNBuilderSAH<8,Quad4v>((BVH8*)bvh,mesh,geomID,4,1.0f,4,inf,QuadMesh::geom_type); }
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#endif
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#endif
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#if defined(EMBREE_GEOMETRY_USER)
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Builder* BVH4VirtualSceneBuilderSAH (void* bvh, Scene* scene, size_t mode) {
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int minLeafSize = scene->device->object_accel_min_leaf_size;
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int maxLeafSize = scene->device->object_accel_max_leaf_size;
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return new BVHNBuilderSAH<4,Object>((BVH4*)bvh,scene,4,1.0f,minLeafSize,maxLeafSize,UserGeometry::geom_type);
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}
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Builder* BVH4VirtualMeshBuilderSAH (void* bvh, UserGeometry* mesh, unsigned int geomID, size_t mode) {
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return new BVHNBuilderSAH<4,Object>((BVH4*)bvh,mesh,geomID,4,1.0f,1,inf,UserGeometry::geom_type);
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}
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#if defined(__AVX__)
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Builder* BVH8VirtualSceneBuilderSAH (void* bvh, Scene* scene, size_t mode) {
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int minLeafSize = scene->device->object_accel_min_leaf_size;
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int maxLeafSize = scene->device->object_accel_max_leaf_size;
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return new BVHNBuilderSAH<8,Object>((BVH8*)bvh,scene,8,1.0f,minLeafSize,maxLeafSize,UserGeometry::geom_type);
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}
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Builder* BVH8VirtualMeshBuilderSAH (void* bvh, UserGeometry* mesh, unsigned int geomID, size_t mode) {
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return new BVHNBuilderSAH<8,Object>((BVH8*)bvh,mesh,geomID,8,1.0f,1,inf,UserGeometry::geom_type);
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}
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#endif
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#endif
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#if defined(EMBREE_GEOMETRY_INSTANCE)
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Builder* BVH4InstanceSceneBuilderSAH (void* bvh, Scene* scene, Geometry::GTypeMask gtype) { return new BVHNBuilderSAH<4,InstancePrimitive>((BVH4*)bvh,scene,4,1.0f,1,1,gtype); }
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Builder* BVH4InstanceMeshBuilderSAH (void* bvh, Instance* mesh, Geometry::GTypeMask gtype, unsigned int geomID, size_t mode) {
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return new BVHNBuilderSAH<4,InstancePrimitive>((BVH4*)bvh,mesh,geomID,4,1.0f,1,inf,gtype);
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}
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#if defined(__AVX__)
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Builder* BVH8InstanceSceneBuilderSAH (void* bvh, Scene* scene, Geometry::GTypeMask gtype) { return new BVHNBuilderSAH<8,InstancePrimitive>((BVH8*)bvh,scene,8,1.0f,1,1,gtype); }
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Builder* BVH8InstanceMeshBuilderSAH (void* bvh, Instance* mesh, Geometry::GTypeMask gtype, unsigned int geomID, size_t mode) {
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return new BVHNBuilderSAH<8,InstancePrimitive>((BVH8*)bvh,mesh,geomID,8,1.0f,1,inf,gtype);
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}
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#endif
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#endif
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#if defined(EMBREE_GEOMETRY_GRID)
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Builder* BVH4GridMeshBuilderSAH (void* bvh, GridMesh* mesh, unsigned int geomID, size_t mode) { return new BVHNBuilderSAHGrid<4>((BVH4*)bvh,mesh,geomID,4,1.0f,4,4,mode); }
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Builder* BVH4GridSceneBuilderSAH (void* bvh, Scene* scene, size_t mode) { return new BVHNBuilderSAHGrid<4>((BVH4*)bvh,scene,4,1.0f,4,4,mode); } // FIXME: check whether cost factors are correct
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#if defined(__AVX__)
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Builder* BVH8GridMeshBuilderSAH (void* bvh, GridMesh* mesh, unsigned int geomID, size_t mode) { return new BVHNBuilderSAHGrid<8>((BVH8*)bvh,mesh,geomID,8,1.0f,8,8,mode); }
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Builder* BVH8GridSceneBuilderSAH (void* bvh, Scene* scene, size_t mode) { return new BVHNBuilderSAHGrid<8>((BVH8*)bvh,scene,8,1.0f,8,8,mode); } // FIXME: check whether cost factors are correct
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#endif
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#endif
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}
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}
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