diff options
author | RĂ©mi Verschelde <remi@verschelde.fr> | 2021-05-21 18:30:02 +0200 |
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committer | GitHub <noreply@github.com> | 2021-05-21 18:30:02 +0200 |
commit | 3ee034451a9349e7de26decc662afefd7ab8c460 (patch) | |
tree | a8bec3fbb06c2eaca05a075f5ffe2cdd2d94f04a /thirdparty/embree-aarch64/kernels/bvh/bvh_builder_twolevel.cpp | |
parent | 8fa07eae145e1e37eb8708ce8c117188b58e3ecc (diff) | |
parent | 767e374dced69b45db0afb30ca2ccf0bbbeef672 (diff) |
Merge pull request #48885 from JFonS/upgrade_embree
Upgrade Embree to the latest official release (3.13.0).
Diffstat (limited to 'thirdparty/embree-aarch64/kernels/bvh/bvh_builder_twolevel.cpp')
-rw-r--r-- | thirdparty/embree-aarch64/kernels/bvh/bvh_builder_twolevel.cpp | 377 |
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 - } -} |