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-rw-r--r--thirdparty/embree-aarch64/kernels/bvh/bvh_builder_twolevel.h263
1 files changed, 0 insertions, 263 deletions
diff --git a/thirdparty/embree-aarch64/kernels/bvh/bvh_builder_twolevel.h b/thirdparty/embree-aarch64/kernels/bvh/bvh_builder_twolevel.h
deleted file mode 100644
index 8f57c3b406..0000000000
--- a/thirdparty/embree-aarch64/kernels/bvh/bvh_builder_twolevel.h
+++ /dev/null
@@ -1,263 +0,0 @@
-// Copyright 2009-2020 Intel Corporation
-// SPDX-License-Identifier: Apache-2.0
-
-#pragma once
-
-#include <type_traits>
-
-#include "bvh_builder_twolevel_internal.h"
-#include "bvh.h"
-#include "../common/primref.h"
-#include "../builders/priminfo.h"
-#include "../builders/primrefgen.h"
-
-/* new open/merge builder */
-#define ENABLE_DIRECT_SAH_MERGE_BUILDER 1
-#define ENABLE_OPEN_SEQUENTIAL 0
-#define SPLIT_MEMORY_RESERVE_FACTOR 1000
-#define SPLIT_MEMORY_RESERVE_SCALE 2
-#define SPLIT_MIN_EXT_SPACE 1000
-
-namespace embree
-{
- namespace isa
- {
- template<int N, typename Mesh, typename Primitive>
- class BVHNBuilderTwoLevel : public Builder
- {
- typedef BVHN<N> BVH;
- typedef typename BVH::AABBNode AABBNode;
- typedef typename BVH::NodeRef NodeRef;
-
- __forceinline static bool isSmallGeometry(Mesh* mesh) {
- return mesh->size() <= 4;
- }
-
- public:
-
- typedef void (*createMeshAccelTy)(Scene* scene, unsigned int geomID, AccelData*& accel, Builder*& builder);
-
- struct BuildRef : public PrimRef
- {
- public:
- __forceinline BuildRef () {}
-
- __forceinline BuildRef (const BBox3fa& bounds, NodeRef node)
- : PrimRef(bounds,(size_t)node), node(node)
- {
- if (node.isLeaf())
- bounds_area = 0.0f;
- else
- bounds_area = area(this->bounds());
- }
-
- /* used by the open/merge bvh builder */
- __forceinline BuildRef (const BBox3fa& bounds, NodeRef node, const unsigned int geomID, const unsigned int numPrimitives)
- : PrimRef(bounds,geomID,numPrimitives), node(node)
- {
- /* important for relative buildref ordering */
- if (node.isLeaf())
- bounds_area = 0.0f;
- else
- bounds_area = area(this->bounds());
- }
-
- __forceinline size_t size() const {
- return primID();
- }
-
- friend bool operator< (const BuildRef& a, const BuildRef& b) {
- return a.bounds_area < b.bounds_area;
- }
-
- friend __forceinline embree_ostream operator<<(embree_ostream cout, const BuildRef& ref) {
- return cout << "{ lower = " << ref.lower << ", upper = " << ref.upper << ", center2 = " << ref.center2() << ", geomID = " << ref.geomID() << ", numPrimitives = " << ref.numPrimitives() << ", bounds_area = " << ref.bounds_area << " }";
- }
-
- __forceinline unsigned int numPrimitives() const { return primID(); }
-
- public:
- NodeRef node;
- float bounds_area;
- };
-
-
- __forceinline size_t openBuildRef(BuildRef &bref, BuildRef *const refs) {
- if (bref.node.isLeaf())
- {
- refs[0] = bref;
- return 1;
- }
- NodeRef ref = bref.node;
- unsigned int geomID = bref.geomID();
- unsigned int numPrims = max((unsigned int)bref.numPrimitives() / N,(unsigned int)1);
- AABBNode* node = ref.getAABBNode();
- size_t n = 0;
- for (size_t i=0; i<N; i++) {
- if (node->child(i) == BVH::emptyNode) continue;
- refs[i] = BuildRef(node->bounds(i),node->child(i),geomID,numPrims);
- n++;
- }
- assert(n > 1);
- return n;
- }
-
- /*! Constructor. */
- BVHNBuilderTwoLevel (BVH* bvh, Scene* scene, Geometry::GTypeMask gtype = Mesh::geom_type, bool useMortonBuilder = false, const size_t singleThreadThreshold = DEFAULT_SINGLE_THREAD_THRESHOLD);
-
- /*! Destructor */
- ~BVHNBuilderTwoLevel ();
-
- /*! builder entry point */
- void build();
- void deleteGeometry(size_t geomID);
- void clear();
-
- void open_sequential(const size_t extSize);
-
- private:
-
- class RefBuilderBase {
- public:
- virtual ~RefBuilderBase () {}
- virtual void attachBuildRefs (BVHNBuilderTwoLevel* builder) = 0;
- virtual bool meshQualityChanged (RTCBuildQuality currQuality) = 0;
- };
-
- class RefBuilderSmall : public RefBuilderBase {
- public:
-
- RefBuilderSmall (size_t objectID)
- : objectID_ (objectID) {}
-
- void attachBuildRefs (BVHNBuilderTwoLevel* topBuilder) {
-
- Mesh* mesh = topBuilder->scene->template getSafe<Mesh>(objectID_);
- size_t meshSize = mesh->size();
- assert(isSmallGeometry(mesh));
-
- mvector<PrimRef> prefs(topBuilder->scene->device, meshSize);
- auto pinfo = createPrimRefArray(mesh,objectID_,prefs,topBuilder->bvh->scene->progressInterface);
-
- size_t begin=0;
- while (begin < pinfo.size())
- {
- Primitive* accel = (Primitive*) topBuilder->bvh->alloc.getCachedAllocator().malloc1(sizeof(Primitive),BVH::byteAlignment);
- typename BVH::NodeRef node = BVH::encodeLeaf((char*)accel,1);
- accel->fill(prefs.data(),begin,pinfo.size(),topBuilder->bvh->scene);
-
- /* create build primitive */
-#if ENABLE_DIRECT_SAH_MERGE_BUILDER
- topBuilder->refs[topBuilder->nextRef++] = BVHNBuilderTwoLevel::BuildRef(pinfo.geomBounds,node,(unsigned int)objectID_,1);
-#else
- topBuilder->refs[topBuilder->nextRef++] = BVHNBuilderTwoLevel::BuildRef(pinfo.geomBounds,node);
-#endif
- }
- assert(begin == pinfo.size());
- }
-
- bool meshQualityChanged (RTCBuildQuality /*currQuality*/) {
- return false;
- }
-
- size_t objectID_;
- };
-
- class RefBuilderLarge : public RefBuilderBase {
- public:
-
- RefBuilderLarge (size_t objectID, const Ref<Builder>& builder, RTCBuildQuality quality)
- : objectID_ (objectID), builder_ (builder), quality_ (quality) {}
-
- void attachBuildRefs (BVHNBuilderTwoLevel* topBuilder)
- {
- BVH* object = topBuilder->getBVH(objectID_); assert(object);
-
- /* build object if it got modified */
- if (topBuilder->isGeometryModified(objectID_))
- builder_->build();
-
- /* create build primitive */
- if (!object->getBounds().empty())
- {
-#if ENABLE_DIRECT_SAH_MERGE_BUILDER
- Mesh* mesh = topBuilder->getMesh(objectID_);
- topBuilder->refs[topBuilder->nextRef++] = BVHNBuilderTwoLevel::BuildRef(object->getBounds(),object->root,(unsigned int)objectID_,(unsigned int)mesh->size());
-#else
- topBuilder->refs[topBuilder->nextRef++] = BVHNBuilderTwoLevel::BuildRef(object->getBounds(),object->root);
-#endif
- }
- }
-
- bool meshQualityChanged (RTCBuildQuality currQuality) {
- return currQuality != quality_;
- }
-
- private:
- size_t objectID_;
- Ref<Builder> builder_;
- RTCBuildQuality quality_;
- };
-
- void setupLargeBuildRefBuilder (size_t objectID, Mesh const * const mesh);
- void setupSmallBuildRefBuilder (size_t objectID, Mesh const * const mesh);
-
- BVH* getBVH (size_t objectID) {
- return this->bvh->objects[objectID];
- }
- Mesh* getMesh (size_t objectID) {
- return this->scene->template getSafe<Mesh>(objectID);
- }
- bool isGeometryModified (size_t objectID) {
- return this->scene->isGeometryModified(objectID);
- }
-
- void resizeRefsList ()
- {
- size_t num = parallel_reduce (size_t(0), scene->size(), size_t(0),
- [this](const range<size_t>& r)->size_t {
- size_t c = 0;
- for (auto i=r.begin(); i<r.end(); ++i) {
- Mesh* mesh = scene->getSafe<Mesh>(i);
- if (mesh == nullptr || mesh->numTimeSteps != 1)
- continue;
- size_t meshSize = mesh->size();
- c += isSmallGeometry(mesh) ? Primitive::blocks(meshSize) : 1;
- }
- return c;
- },
- std::plus<size_t>()
- );
-
- if (refs.size() < num) {
- refs.resize(num);
- }
- }
-
- void createMeshAccel (size_t geomID, Builder*& builder)
- {
- bvh->objects[geomID] = new BVH(Primitive::type,scene);
- BVH* accel = bvh->objects[geomID];
- auto mesh = scene->getSafe<Mesh>(geomID);
- if (nullptr == mesh) {
- throw_RTCError(RTC_ERROR_INVALID_ARGUMENT,"geomID does not return correct type");
- return;
- }
-
- __internal_two_level_builder__::MeshBuilder<N,Mesh,Primitive>()(accel, mesh, geomID, this->gtype, this->useMortonBuilder_, builder);
- }
-
- using BuilderList = std::vector<std::unique_ptr<RefBuilderBase>>;
-
- BuilderList builders;
- BVH* bvh;
- Scene* scene;
- mvector<BuildRef> refs;
- mvector<PrimRef> prims;
- std::atomic<int> nextRef;
- const size_t singleThreadThreshold;
- Geometry::GTypeMask gtype;
- bool useMortonBuilder_ = false;
- };
- }
-}
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-08 19:09:59 +0000