115 lines
3.7 KiB
C++
115 lines
3.7 KiB
C++
//============================================================================
|
|
// Copyright (c) Kitware, Inc.
|
|
// All rights reserved.
|
|
// See LICENSE.txt for details.
|
|
//
|
|
// This software is distributed WITHOUT ANY WARRANTY; without even
|
|
// the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
|
|
// PURPOSE. See the above copyright notice for more information.
|
|
//============================================================================
|
|
|
|
#include <vtkm/cont/ArrayHandle.h>
|
|
#include <vtkm/cont/ArrayHandleCartesianProduct.h>
|
|
#include <vtkm/cont/CellLocatorRectilinearGrid.h>
|
|
#include <vtkm/cont/CellSetStructured.h>
|
|
|
|
#include <vtkm/exec/CellLocatorRectilinearGrid.h>
|
|
|
|
namespace vtkm
|
|
{
|
|
namespace cont
|
|
{
|
|
|
|
CellLocatorRectilinearGrid::CellLocatorRectilinearGrid() = default;
|
|
|
|
CellLocatorRectilinearGrid::~CellLocatorRectilinearGrid() = default;
|
|
|
|
using Structured2DType = vtkm::cont::CellSetStructured<2>;
|
|
using Structured3DType = vtkm::cont::CellSetStructured<3>;
|
|
using AxisHandle = vtkm::cont::ArrayHandle<vtkm::FloatDefault>;
|
|
using RectilinearType = vtkm::cont::ArrayHandleCartesianProduct<AxisHandle, AxisHandle, AxisHandle>;
|
|
|
|
void CellLocatorRectilinearGrid::Build()
|
|
{
|
|
vtkm::cont::CoordinateSystem coords = this->GetCoordinates();
|
|
vtkm::cont::DynamicCellSet cellSet = this->GetCellSet();
|
|
|
|
if (!coords.GetData().IsType<RectilinearType>())
|
|
throw vtkm::cont::ErrorBadType("Coordinates are not rectilinear type.");
|
|
|
|
if (cellSet.IsSameType(Structured2DType()))
|
|
{
|
|
this->Is3D = false;
|
|
vtkm::Vec<vtkm::Id, 2> celldims =
|
|
cellSet.Cast<Structured2DType>().GetSchedulingRange(vtkm::TopologyElementTagCell());
|
|
this->PlaneSize = celldims[0] * celldims[1];
|
|
this->RowSize = celldims[0];
|
|
}
|
|
else if (cellSet.IsSameType(Structured3DType()))
|
|
{
|
|
this->Is3D = true;
|
|
vtkm::Vec<vtkm::Id, 3> celldims =
|
|
cellSet.Cast<Structured3DType>().GetSchedulingRange(vtkm::TopologyElementTagCell());
|
|
this->PlaneSize = celldims[0] * celldims[1];
|
|
this->RowSize = celldims[0];
|
|
}
|
|
else
|
|
{
|
|
throw vtkm::cont::ErrorBadType("Cells are not 2D or 3D structured type.");
|
|
}
|
|
}
|
|
|
|
namespace
|
|
{
|
|
|
|
template <vtkm::IdComponent dimensions>
|
|
struct CellLocatorRectilinearGridPrepareForExecutionFunctor
|
|
{
|
|
template <typename DeviceAdapter, typename... Args>
|
|
VTKM_CONT bool operator()(DeviceAdapter,
|
|
vtkm::cont::VirtualObjectHandle<vtkm::exec::CellLocator>& execLocator,
|
|
Args&&... args) const
|
|
{
|
|
using ExecutionType = vtkm::exec::CellLocatorRectilinearGrid<DeviceAdapter, dimensions>;
|
|
ExecutionType* execObject = new ExecutionType(std::forward<Args>(args)..., DeviceAdapter());
|
|
execLocator.Reset(execObject);
|
|
return true;
|
|
}
|
|
};
|
|
}
|
|
|
|
const vtkm::exec::CellLocator* CellLocatorRectilinearGrid::PrepareForExecution(
|
|
vtkm::cont::DeviceAdapterId device) const
|
|
{
|
|
bool success = false;
|
|
if (this->Is3D)
|
|
{
|
|
success = vtkm::cont::TryExecuteOnDevice(
|
|
device,
|
|
CellLocatorRectilinearGridPrepareForExecutionFunctor<3>(),
|
|
this->ExecutionObjectHandle,
|
|
this->PlaneSize,
|
|
this->RowSize,
|
|
this->GetCellSet().template Cast<Structured3DType>(),
|
|
this->GetCoordinates().GetData().template Cast<RectilinearType>());
|
|
}
|
|
else
|
|
{
|
|
success = vtkm::cont::TryExecuteOnDevice(
|
|
device,
|
|
CellLocatorRectilinearGridPrepareForExecutionFunctor<2>(),
|
|
this->ExecutionObjectHandle,
|
|
this->PlaneSize,
|
|
this->RowSize,
|
|
this->GetCellSet().template Cast<Structured2DType>(),
|
|
this->GetCoordinates().GetData().template Cast<RectilinearType>());
|
|
}
|
|
if (!success)
|
|
{
|
|
throwFailedRuntimeDeviceTransfer("CellLocatorRectilinearGrid", device);
|
|
}
|
|
return this->ExecutionObjectHandle.PrepareForExecution(device);
|
|
}
|
|
} //namespace cont
|
|
} //namespace vtkm
|