mirror of
https://gitlab.kitware.com/vtk/vtk-m
synced 2024-09-08 21:33:55 +00:00
2399741a97
There was some compile errors with CUDA and the CellLocatorGeneral. Apparently it added enough to the CUDA kernel to cause issues with constant memory.
82 lines
2.9 KiB
C++
82 lines
2.9 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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//
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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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#include <vtkm/cont/Algorithm.h>
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#include <vtkm/cont/ArrayHandleUniformPointCoordinates.h>
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#include <vtkm/cont/CellLocatorUniformGrid.h>
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#include <vtkm/cont/CellSetStructured.h>
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namespace vtkm
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{
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namespace cont
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{
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using UniformType = vtkm::cont::ArrayHandleUniformPointCoordinates;
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using Structured2DType = vtkm::cont::CellSetStructured<2>;
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using Structured3DType = vtkm::cont::CellSetStructured<3>;
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void CellLocatorUniformGrid::Build()
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{
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vtkm::cont::CoordinateSystem coords = this->GetCoordinates();
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vtkm::cont::DynamicCellSet cellSet = this->GetCellSet();
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if (!coords.GetData().IsType<UniformType>())
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throw vtkm::cont::ErrorBadType("Coordinates are not uniform type.");
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if (cellSet.IsSameType(Structured2DType()))
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{
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this->Is3D = false;
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Structured2DType structuredCellSet = cellSet.Cast<Structured2DType>();
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vtkm::Id2 pointDims = structuredCellSet.GetSchedulingRange(vtkm::TopologyElementTagPoint());
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this->PointDims = vtkm::Id3(pointDims[0], pointDims[1], 1);
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}
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else if (cellSet.IsSameType(Structured3DType()))
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{
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this->Is3D = true;
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Structured3DType structuredCellSet = cellSet.Cast<Structured3DType>();
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this->PointDims = structuredCellSet.GetSchedulingRange(vtkm::TopologyElementTagPoint());
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}
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else
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{
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throw vtkm::cont::ErrorBadType("Cells are not 2D or 3D structured type.");
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}
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UniformType uniformCoords = coords.GetData().AsArrayHandle<UniformType>();
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auto coordsPortal = uniformCoords.ReadPortal();
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this->Origin = coordsPortal.GetOrigin();
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vtkm::Vec3f spacing = coordsPortal.GetSpacing();
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vtkm::Vec3f unitLength;
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unitLength[0] = static_cast<vtkm::FloatDefault>(this->PointDims[0] - 1);
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unitLength[1] = static_cast<vtkm::FloatDefault>(this->PointDims[1] - 1);
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unitLength[2] = static_cast<vtkm::FloatDefault>(this->PointDims[2] - 1);
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this->MaxPoint = this->Origin + spacing * unitLength;
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this->InvSpacing[0] = 1.f / spacing[0];
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this->InvSpacing[1] = 1.f / spacing[1];
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this->InvSpacing[2] = 1.f / spacing[2];
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this->CellDims[0] = this->PointDims[0] - 1;
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this->CellDims[1] = this->PointDims[1] - 1;
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this->CellDims[2] = this->PointDims[2] - 1;
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}
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vtkm::exec::CellLocatorUniformGrid CellLocatorUniformGrid::PrepareForExecution(
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vtkm::cont::DeviceAdapterId vtkmNotUsed(device),
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vtkm::cont::Token& vtkmNotUsed(token)) const
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{
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this->Update();
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return vtkm::exec::CellLocatorUniformGrid(
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this->CellDims, this->Origin, this->InvSpacing, this->MaxPoint);
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}
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} //namespace cont
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} //namespace vtkm
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