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https://gitlab.kitware.com/vtk/vtk-m
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53679dfc9c
Previously, ExternalFaces really only supported tetrahedral meshes that have only triangular faces. These changes support all mixes of cells and their faces.
256 lines
7.1 KiB
C++
256 lines
7.1 KiB
C++
//============================================================================
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// Copyright (c) Kitware, Inc.
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// All rights reserved.
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// See LICENSE.txt for details.
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// This software is distributed WITHOUT ANY WARRANTY; without even
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// the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
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// PURPOSE. See the above copyright notice for more information.
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//
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// Copyright 2016 Sandia Corporation.
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// Copyright 2016 UT-Battelle, LLC.
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// Copyright 2016 Los Alamos National Security.
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//
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// Under the terms of Contract DE-AC04-94AL85000 with Sandia Corporation,
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// the U.S. Government retains certain rights in this software.
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//
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// Under the terms of Contract DE-AC52-06NA25396 with Los Alamos National
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// Laboratory (LANL), the U.S. Government retains certain rights in
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// this software.
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//============================================================================
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#ifndef vtk_m_exec_CellFace_h
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#define vtk_m_exec_CellFace_h
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#include <vtkm/Assert.h>
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#include <vtkm/CellShape.h>
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#include <vtkm/Types.h>
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#include <vtkm/internal/Assume.h>
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#include <vtkm/exec/FunctorBase.h>
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namespace vtkm {
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namespace exec {
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namespace detail {
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static const vtkm::IdComponent MAX_FACE_SIZE = 4;
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static const vtkm::IdComponent MAX_NUM_FACES = 6;
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VTKM_EXEC_CONSTANT
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static const vtkm::IdComponent NumFaces[vtkm::NUMBER_OF_CELL_SHAPES] = {
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0, // 0: CELL_SHAPE_EMPTY
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0, // 1: CELL_SHAPE_VERTEX
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0, // 2: Unused
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0, // 3: CELL_SHAPE_LINE
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0, // 4: Unused
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0, // 5: CELL_SHAPE_TRIANGLE
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0, // 6: Unused
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0, // 7: CELL_SHAPE_POLYGON
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0, // 8: Unused
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0, // 9: CELL_SHAPE_QUAD
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4, // 10: CELL_SHAPE_TETRA
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0, // 11: Unused
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6, // 12: CELL_SHAPE_HEXAHEDRON
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5, // 13: CELL_SHAPE_WEDGE
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5 // 14: CELL_SHAPE_PYRAMID
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};
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VTKM_EXEC_CONSTANT
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static const vtkm::IdComponent
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NumPointsInFace[vtkm::NUMBER_OF_CELL_SHAPES][MAX_NUM_FACES] = {
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{ -1, -1, -1, -1, -1, -1}, // 0: CELL_SHAPE_EMPTY
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{ -1, -1, -1, -1, -1, -1}, // 1: CELL_SHAPE_VERTEX
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{ -1, -1, -1, -1, -1, -1}, // 2: Unused
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{ -1, -1, -1, -1, -1, -1}, // 3: CELL_SHAPE_LINE
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{ -1, -1, -1, -1, -1, -1}, // 4: Unused
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{ -1, -1, -1, -1, -1, -1}, // 5: CELL_SHAPE_TRIANGLE
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{ -1, -1, -1, -1, -1, -1}, // 6: Unused
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{ -1, -1, -1, -1, -1, -1}, // 7: CELL_SHAPE_POLYGON
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{ -1, -1, -1, -1, -1, -1}, // 8: Unused
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{ -1, -1, -1, -1, -1, -1}, // 9: CELL_SHAPE_QUAD
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{ 3, 3, 3, 3, -1, -1}, // 10: CELL_SHAPE_TETRA
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{ -1, -1, -1, -1, -1, -1}, // 11: Unused
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{ 4, 4, 4, 4, 4, 4}, // 12: CELL_SHAPE_HEXAHEDRON
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{ 3, 3, 4, 4, 4, -1}, // 13: CELL_SHAPE_WEDGE
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{ 4, 3, 3, 3, 3, -1} // 14: CELL_SHAPE_PYRAMID
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};
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VTKM_EXEC_CONSTANT
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static const vtkm::IdComponent
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PointsInFace[vtkm::NUMBER_OF_CELL_SHAPES][MAX_NUM_FACES][MAX_FACE_SIZE] = {
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// 0: CELL_SHAPE_EMPTY
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{ { -1, -1, -1, -1 },
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{ -1, -1, -1, -1 },
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{ -1, -1, -1, -1 },
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{ -1, -1, -1, -1 },
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{ -1, -1, -1, -1 },
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{ -1, -1, -1, -1 } },
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// 1: CELL_SHAPE_VERTEX
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{ { -1, -1, -1, -1 },
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{ -1, -1, -1, -1 },
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{ -1, -1, -1, -1 },
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{ -1, -1, -1, -1 },
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{ -1, -1, -1, -1 },
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{ -1, -1, -1, -1 } },
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// 2: Unused
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{ { -1, -1, -1, -1 },
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{ -1, -1, -1, -1 },
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{ -1, -1, -1, -1 },
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{ -1, -1, -1, -1 },
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{ -1, -1, -1, -1 },
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{ -1, -1, -1, -1 } },
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// 3: CELL_SHAPE_LINE
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{ { -1, -1, -1, -1 },
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{ -1, -1, -1, -1 },
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{ -1, -1, -1, -1 },
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{ -1, -1, -1, -1 },
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{ -1, -1, -1, -1 },
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{ -1, -1, -1, -1 } },
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// 4: Unused
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{ { -1, -1, -1, -1 },
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{ -1, -1, -1, -1 },
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{ -1, -1, -1, -1 },
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{ -1, -1, -1, -1 },
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{ -1, -1, -1, -1 },
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{ -1, -1, -1, -1 } },
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// 5: CELL_SHAPE_TRIANGLE
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{ { -1, -1, -1, -1 },
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{ -1, -1, -1, -1 },
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{ -1, -1, -1, -1 },
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{ -1, -1, -1, -1 },
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{ -1, -1, -1, -1 },
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{ -1, -1, -1, -1 } },
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// 6: Unused
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{ { -1, -1, -1, -1 },
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{ -1, -1, -1, -1 },
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{ -1, -1, -1, -1 },
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{ -1, -1, -1, -1 },
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{ -1, -1, -1, -1 },
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{ -1, -1, -1, -1 } },
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// 7: CELL_SHAPE_POLYGON
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{ { -1, -1, -1, -1 },
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{ -1, -1, -1, -1 },
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{ -1, -1, -1, -1 },
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{ -1, -1, -1, -1 },
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{ -1, -1, -1, -1 },
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{ -1, -1, -1, -1 } },
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// 8: Unused
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{ { -1, -1, -1, -1 },
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{ -1, -1, -1, -1 },
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{ -1, -1, -1, -1 },
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{ -1, -1, -1, -1 },
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{ -1, -1, -1, -1 },
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{ -1, -1, -1, -1 } },
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// 9: CELL_SHAPE_QUAD
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{ { -1, -1, -1, -1 },
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{ -1, -1, -1, -1 },
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{ -1, -1, -1, -1 },
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{ -1, -1, -1, -1 },
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{ -1, -1, -1, -1 },
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{ -1, -1, -1, -1 } },
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// 10: CELL_SHAPE_TETRA
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{ { 0, 1, 3, -1 },
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{ 1, 2, 3, -1 },
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{ 2, 0, 3, -1 },
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{ 0, 2, 1, -1 },
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{ -1, -1, -1, -1 },
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{ -1, -1, -1, -1 } },
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// 11: Unused
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{ { -1, -1, -1, -1 },
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{ -1, -1, -1, -1 },
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{ -1, -1, -1, -1 },
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{ -1, -1, -1, -1 },
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{ -1, -1, -1, -1 },
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{ -1, -1, -1, -1 } },
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// 12: CELL_SHAPE_HEXAHEDRON
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{ { 0, 4, 7, 3 },
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{ 1, 2, 6, 5 },
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{ 0, 1, 5, 4 },
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{ 3, 7, 6, 2 },
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{ 0, 3, 2, 1 },
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{ 4, 5, 6, 7 } },
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// 13: CELL_SHAPE_WEDGE
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{ { 0, 1, 2, -1 },
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{ 3, 5, 4, -1 },
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{ 0, 3, 4, 1 },
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{ 1, 4, 5, 2 },
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{ 2, 5, 3, 0 },
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{ -1, -1, -1, -1 } },
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// 14: CELL_SHAPE_PYRAMID
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{ { 0, 3, 2, 1 },
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{ 0, 1, 4, -1 },
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{ 1, 2, 4, -1 },
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{ 2, 3, 4, -1 },
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{ 3, 0, 4, -1 },
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{ -1, -1, -1, -1 } }
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};
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} // namespace detail
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template<typename CellShapeTag>
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static inline VTKM_EXEC
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vtkm::IdComponent
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CellFaceNumberOfFaces(CellShapeTag shape,
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const vtkm::exec::FunctorBase &)
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{
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return detail::NumFaces[shape.Id];
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}
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template<typename CellShapeTag>
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static inline VTKM_EXEC
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vtkm::IdComponent
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CellFaceNumberOfPoints(vtkm::IdComponent faceIndex,
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CellShapeTag shape,
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const vtkm::exec::FunctorBase &worklet)
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{
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VTKM_ASSUME(faceIndex >= 0);
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VTKM_ASSUME(faceIndex < detail::MAX_NUM_FACES);
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if (faceIndex >= vtkm::exec::CellFaceNumberOfFaces(shape, worklet))
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{
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worklet.RaiseError("Invalid face number.");
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return 0;
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}
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return detail::NumPointsInFace[shape.Id][faceIndex];
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}
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template<typename CellShapeTag>
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static inline VTKM_EXEC
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vtkm::UInt8
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CellFaceShape(vtkm::IdComponent faceIndex,
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CellShapeTag shape,
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const vtkm::exec::FunctorBase &worklet)
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{
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VTKM_ASSUME(faceIndex >= 0);
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VTKM_ASSUME(faceIndex < detail::MAX_NUM_FACES);
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switch (CellFaceNumberOfPoints(faceIndex, shape, worklet))
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{
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case 3: return vtkm::CELL_SHAPE_TRIANGLE;
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case 4: return vtkm::CELL_SHAPE_QUAD;
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default: return vtkm::CELL_SHAPE_POLYGON;
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}
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}
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template<typename CellShapeTag>
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static inline VTKM_EXEC
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vtkm::VecCConst<vtkm::IdComponent>
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CellFaceLocalIndices(vtkm::IdComponent faceIndex,
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CellShapeTag shape,
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const vtkm::exec::FunctorBase &worklet)
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{
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vtkm::IdComponent numPointsInFace =
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vtkm::exec::CellFaceNumberOfPoints(faceIndex, shape, worklet);
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if (numPointsInFace < 1)
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{
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// An invalid face. We should already have gotten an error from
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// CellFaceNumberOfPoints.
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return vtkm::VecCConst<vtkm::IdComponent>();
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}
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return vtkm::make_VecC(detail::PointsInFace[shape.Id][faceIndex],
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numPointsInFace);
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}
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}
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} // namespace vtkm::exec
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#endif //vtk_m_exec_CellFace_h
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