Refitting a PackedBVH where its pool is: one tree level at a time on a device, the host's sweep otherwise. More...
#include <cstddef>#include <cstdint>#include <type_traits>#include <vector>#include "EBGeometry_GPUTransform.hpp"#include "EBGeometry_Macros.hpp"#include "EBGeometry_PODVector.hpp"#include "EBGeometry_PackedBVH.hpp"#include "EBGeometry_Pool.hpp"#include "EBGeometry_BVHRefitImplem.hpp"
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Classes | |
| class | EBGeometry::BVH::RefitSchedule |
| A PackedBVH's nodes grouped by tree depth, deepest level first: the order in which BVH::refit() refits them, one level at a time. More... | |
Namespaces | |
| namespace | EBGeometry |
| Namespace containing all of EBGeometry's functionality. | |
| namespace | EBGeometry::BVH |
| Namespace for various bounding volume hierarchy (BVH) functionalities. | |
| namespace | EBGeometry::BVH::RefitDetail |
| Implementation details of refit() and RefitSchedule (EBGeometry_BVHRefit.hpp). | |
Functions | |
| template<class T , class P , size_t K, class BVConstructor > | |
| void | EBGeometry::BVH::refit (Pool &a_pool, const PackedBVH< T, P, K > &a_bvh, const RefitSchedule &a_schedule, const BVConstructor &a_bvConstructor) |
Refit the copy of a_bvh that lives in a_pool, after its primitives have moved: every box becomes the union of what it encloses again, with each primitive's current box from a_bvConstructor. | |
Detailed Description
Refitting a PackedBVH where its pool is: one tree level at a time on a device, the host's sweep otherwise.
PackedBVH::refit() is one sequential sweep, which on a device would run on a single thread. BVH::refit() refits the same boxes a level at a time, deepest first, one thread per node, through GPU::parallelFor(): within a level every node is independent. The order it needs, the nodes grouped by depth, is computed once on the host by BVH::RefitSchedule, since it depends only on the tree's shape, which a refit never changes.
