mirror of
https://gitlab.kitware.com/vtk/vtk-m
synced 2024-09-19 18:45:43 +00:00
3445047f9e
ArrayHandleVirtual can automatically be constructed from any ArrayHandle. In the cases where the input ArrayHandle doesn't derived from ArrayHandleVirtual, it will automatically construct StorageAny to hold the array.
163 lines
5.5 KiB
C++
163 lines
5.5 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.
|
|
//
|
|
// Copyright 2014 National Technology & Engineering Solutions of Sandia, LLC (NTESS).
|
|
// Copyright 2014 UT-Battelle, LLC.
|
|
// Copyright 2014 Los Alamos National Security.
|
|
//
|
|
// Under the terms of Contract DE-NA0003525 with NTESS,
|
|
// the U.S. Government retains certain rights in this software.
|
|
//
|
|
// Under the terms of Contract DE-AC52-06NA25396 with Los Alamos National
|
|
// Laboratory (LANL), the U.S. Government retains certain rights in
|
|
// this software.
|
|
//============================================================================
|
|
#ifndef vtk_m_cont_StorageAny_hxx
|
|
#define vtk_m_cont_StorageAny_hxx
|
|
|
|
#include <vtkm/cont/StorageAny.h>
|
|
#include <vtkm/cont/StorageVirtual.hxx>
|
|
|
|
namespace vtkm
|
|
{
|
|
namespace cont
|
|
{
|
|
|
|
VTKM_CONT
|
|
template <typename T, typename S>
|
|
StorageAny<T, S>::StorageAny(const vtkm::cont::ArrayHandle<T, S>& ah)
|
|
: vtkm::cont::StorageVirtual()
|
|
, Handle(ah)
|
|
{
|
|
}
|
|
|
|
VTKM_CONT
|
|
template <typename T, typename S>
|
|
StorageAny<T, S>::StorageAny(vtkm::cont::ArrayHandle<T, S>&& ah) noexcept
|
|
: vtkm::cont::StorageVirtual(),
|
|
Handle(std::move(ah))
|
|
{
|
|
}
|
|
|
|
/// release execution side resources
|
|
template <typename T, typename S>
|
|
void StorageAny<T, S>::ReleaseResourcesExecution()
|
|
{
|
|
vtkm::cont::StorageVirtual::ReleaseResourcesExecution();
|
|
this->Handle.ReleaseResourcesExecution();
|
|
}
|
|
|
|
/// release control side resources
|
|
template <typename T, typename S>
|
|
void StorageAny<T, S>::ReleaseResources()
|
|
{
|
|
vtkm::cont::StorageVirtual::ReleaseResources();
|
|
this->Handle.ReleaseResources();
|
|
}
|
|
|
|
namespace detail
|
|
{
|
|
struct PortalWrapperToDevice
|
|
{
|
|
template <typename DeviceAdapterTag, typename Handle>
|
|
bool operator()(DeviceAdapterTag device,
|
|
Handle&& handle,
|
|
vtkm::cont::internal::TransferInfoArray& payload) const
|
|
{
|
|
auto portal = handle.PrepareForInput(device);
|
|
using DerivedPortal = vtkm::ArrayPortalWrapper<decltype(portal)>;
|
|
vtkm::cont::detail::TransferToDevice<DerivedPortal> transfer;
|
|
return transfer(device, payload, portal);
|
|
}
|
|
template <typename DeviceAdapterTag, typename Handle>
|
|
bool operator()(DeviceAdapterTag device,
|
|
Handle&& handle,
|
|
vtkm::Id numberOfValues,
|
|
vtkm::cont::internal::TransferInfoArray& payload,
|
|
vtkm::cont::StorageVirtual::OutputMode mode) const
|
|
{
|
|
using ACCESS_MODE = vtkm::cont::StorageVirtual::OutputMode;
|
|
if (mode == ACCESS_MODE::WRITE)
|
|
{
|
|
auto portal = handle.PrepareForOutput(numberOfValues, device);
|
|
using DerivedPortal = vtkm::ArrayPortalWrapper<decltype(portal)>;
|
|
vtkm::cont::detail::TransferToDevice<DerivedPortal> transfer;
|
|
return transfer(device, payload, portal);
|
|
}
|
|
else
|
|
{
|
|
auto portal = handle.PrepareForInPlace(device);
|
|
using DerivedPortal = vtkm::ArrayPortalWrapper<decltype(portal)>;
|
|
vtkm::cont::detail::TransferToDevice<DerivedPortal> transfer;
|
|
return transfer(device, payload, portal);
|
|
}
|
|
}
|
|
};
|
|
}
|
|
|
|
template <typename T, typename S>
|
|
void StorageAny<T, S>::ControlPortalForInput(vtkm::cont::internal::TransferInfoArray& payload) const
|
|
{
|
|
auto portal = this->Handle.GetPortalConstControl();
|
|
using DerivedPortal = vtkm::ArrayPortalWrapper<decltype(portal)>;
|
|
vtkm::cont::make_hostPortal<DerivedPortal>(payload, portal);
|
|
}
|
|
|
|
namespace detail
|
|
{
|
|
template <typename HandleType>
|
|
void make_writableHostPortal(std::true_type,
|
|
vtkm::cont::internal::TransferInfoArray& payload,
|
|
HandleType& handle)
|
|
{
|
|
auto portal = handle.GetPortalControl();
|
|
using DerivedPortal = vtkm::ArrayPortalWrapper<decltype(portal)>;
|
|
vtkm::cont::make_hostPortal<DerivedPortal>(payload, portal);
|
|
}
|
|
template <typename HandleType>
|
|
void make_writableHostPortal(std::false_type,
|
|
vtkm::cont::internal::TransferInfoArray& payload,
|
|
HandleType&)
|
|
{
|
|
payload.updateHost(nullptr);
|
|
throw vtkm::cont::ErrorBadValue(
|
|
"ArrayHandleAny was bound to an ArrayHandle that doesn't support output.");
|
|
}
|
|
}
|
|
|
|
template <typename T, typename S>
|
|
void StorageAny<T, S>::ControlPortalForOutput(vtkm::cont::internal::TransferInfoArray& payload)
|
|
{
|
|
using HT = vtkm::cont::ArrayHandle<T, S>;
|
|
constexpr auto isWriteable = typename vtkm::cont::internal::IsWriteableArrayHandle<HT>::type{};
|
|
|
|
detail::make_writableHostPortal(isWriteable, payload, this->Handle);
|
|
}
|
|
|
|
template <typename T, typename S>
|
|
void StorageAny<T, S>::TransferPortalForInput(vtkm::cont::internal::TransferInfoArray& payload,
|
|
vtkm::cont::DeviceAdapterId devId) const
|
|
{
|
|
vtkm::cont::TryExecuteOnDevice(devId, detail::PortalWrapperToDevice(), this->Handle, payload);
|
|
}
|
|
|
|
|
|
template <typename T, typename S>
|
|
void StorageAny<T, S>::TransferPortalForOutput(vtkm::cont::internal::TransferInfoArray& payload,
|
|
vtkm::cont::StorageVirtual::OutputMode mode,
|
|
vtkm::Id numberOfValues,
|
|
vtkm::cont::DeviceAdapterId devId)
|
|
{
|
|
vtkm::cont::TryExecuteOnDevice(
|
|
devId, detail::PortalWrapperToDevice(), this->Handle, numberOfValues, payload, mode);
|
|
}
|
|
}
|
|
} // namespace vtkm::cont
|
|
|
|
#endif //vtk_m_cont_StorageAny_hxx
|