mirror of
https://gitlab.kitware.com/vtk/vtk-m
synced 2024-09-19 18:45:43 +00:00
68 lines
2.0 KiB
C++
68 lines
2.0 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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#ifndef vtk_m_cont_internal_DeviceAdapterListHelpers_h
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#define vtk_m_cont_internal_DeviceAdapterListHelpers_h
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#include <vtkm/List.h>
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#include <vtkm/cont/ErrorBadDevice.h>
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#include <vtkm/cont/RuntimeDeviceTracker.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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namespace internal
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{
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//============================================================================
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struct ExecuteIfValidDeviceTag
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{
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template <typename DeviceAdapter>
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using EnableIfValid = std::enable_if<DeviceAdapter::IsEnabled>;
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template <typename DeviceAdapter>
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using EnableIfInvalid = std::enable_if<!DeviceAdapter::IsEnabled>;
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template <typename DeviceAdapter, typename Functor, typename... Args>
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typename EnableIfValid<DeviceAdapter>::type operator()(
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DeviceAdapter device,
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Functor&& f,
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const vtkm::cont::RuntimeDeviceTracker& tracker,
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Args&&... args) const
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{
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if (tracker.CanRunOn(device))
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{
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f(device, std::forward<Args>(args)...);
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}
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}
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// do not generate code for invalid devices
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template <typename DeviceAdapter, typename... Args>
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typename EnableIfInvalid<DeviceAdapter>::type operator()(DeviceAdapter, Args&&...) const
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{
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}
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};
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/// Execute the given functor on each valid device in \c DeviceList.
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///
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template <typename DeviceList, typename Functor, typename... Args>
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VTKM_CONT void ForEachValidDevice(DeviceList devices, Functor&& functor, Args&&... args)
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{
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auto& tracker = vtkm::cont::GetRuntimeDeviceTracker();
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vtkm::ListForEach(
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ExecuteIfValidDeviceTag{}, devices, functor, tracker, std::forward<Args>(args)...);
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}
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}
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}
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} // vtkm::cont::internal
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#endif // vtk_m_cont_internal_DeviceAdapterListHelpers_h
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