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Add TransferToSuperarc in contourtree types

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This commit is contained in:
Oliver Ruebel 2023-11-06 05:47:20 -08:00 committed by Gunther H. Weber
parent 22d394d846
commit 3f15b0f5be
1 changed files with 13 additions and 0 deletions
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13
vtkm/filter/scalar_topology/worklet/contourtree_augmented/Types.h
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@ -86,6 +86,13 @@ constexpr vtkm::Id IS_REGULAR = static_cast<vtkm::Id>(2);
constexpr vtkm::Id IS_SADDLE = static_cast<vtkm::Id>(3);
constexpr vtkm::Id IS_ATTACHMENT = static_cast<vtkm::Id>(4);
// TERMINAL_ELEMENT is primarily used for optimisation of memory access during pointer doubling operations
// We now need to distinguish between a supernode and superarc when sorting by superarc(node) IDs
// This only (at present) comes up when processing attachment points, which have null superarcs, so it
// is reasonable to reuse TERMINAL_ELEMENT for this purpose. However, we give it a separate macro name with
// the same value to aid comprehension
constexpr vtkm::Id TRANSFER_TO_SUPERARC = TERMINAL_ELEMENT;
// clang-format on
using IdArrayType = vtkm::cont::ArrayHandle<vtkm::Id>;
@ -144,6 +151,12 @@ inline bool NoFlagsSet(vtkm::Id flaggedIndex)
return (flaggedIndex & ~INDEX_MASK) == 0;
} // NoFlagsSet
// Helper function: to check that the TRANSFER_TO_SUPERARC flag is set
VTKM_EXEC_CONT
inline bool transferToSuperarc(vtkm::Id flaggedIndex)
{ // transferToSuperarc()
return ((flaggedIndex & TRANSFER_TO_SUPERARC) != 0);
} // transferToSuperarc()
// Debug helper function: Assert that an index array has no element with any flags set
template <typename S>