mirror of
https://gitlab.kitware.com/vtk/vtk-m
synced 2024-09-20 02:55:47 +00:00
106 lines
3.6 KiB
C++
106 lines
3.6 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.
|
|
//============================================================================
|
|
#ifndef vtk_m_worklet_Invoker_h
|
|
#define vtk_m_worklet_Invoker_h
|
|
|
|
#include <vtkm/worklet/DispatcherMapField.h>
|
|
#include <vtkm/worklet/DispatcherMapTopology.h>
|
|
#include <vtkm/worklet/DispatcherPointNeighborhood.h>
|
|
#include <vtkm/worklet/DispatcherReduceByKey.h>
|
|
|
|
#include <vtkm/cont/TryExecute.h>
|
|
|
|
namespace vtkm
|
|
{
|
|
namespace worklet
|
|
{
|
|
|
|
|
|
/// \brief Allows launching any worklet without a dispatcher.
|
|
///
|
|
/// \c Invoker is a generalized \c Dispatcher that is able to automatically
|
|
/// determine how to properly launch/invoke any worklet that is passed to it.
|
|
/// When an \c Invoker is constructed it is provided the desired device adapter
|
|
/// that all worklets invoked by it should be launched on.
|
|
///
|
|
/// \c Invoker is designed to not only reduce the verbosity of constructing
|
|
/// multiple dispatchers inside a block of logic, but also makes it easier to
|
|
/// make sure all worklets execute on the same device.
|
|
struct Invoker
|
|
{
|
|
|
|
/// Constructs an Invoker that will try to launch worklets on any device
|
|
/// that is enabled.
|
|
///
|
|
explicit Invoker()
|
|
: DeviceId(vtkm::cont::DeviceAdapterTagAny{})
|
|
{
|
|
}
|
|
|
|
/// Constructs an Invoker that will try to launch worklets only on the
|
|
/// provided device adapter.
|
|
///
|
|
explicit Invoker(vtkm::cont::DeviceAdapterId device)
|
|
: DeviceId(device)
|
|
{
|
|
}
|
|
|
|
/// Launch the worklet that is provided as the first parameter.
|
|
/// Optional second parameter is the scatter type associated with the worklet.
|
|
/// Any additional parameters are the ControlSignature arguments for the worklet.
|
|
///
|
|
template <typename Worklet,
|
|
typename T,
|
|
typename... Args,
|
|
typename std::enable_if<
|
|
std::is_base_of<internal::ScatterBase, internal::detail::remove_cvref<T>>::value,
|
|
int>::type* = nullptr>
|
|
inline void operator()(Worklet&& worklet, T&& scatter, Args&&... args) const
|
|
{
|
|
using WorkletType = internal::detail::remove_cvref<Worklet>;
|
|
using DispatcherType = typename WorkletType::template Dispatcher<WorkletType>;
|
|
|
|
DispatcherType dispatcher(worklet, scatter);
|
|
dispatcher.SetDevice(this->DeviceId);
|
|
dispatcher.Invoke(std::forward<Args>(args)...);
|
|
}
|
|
|
|
/// Launch the worklet that is provided as the first parameter.
|
|
/// Optional second parameter is the scatter type associated with the worklet.
|
|
/// Any additional parameters are the ControlSignature arguments for the worklet.
|
|
///
|
|
template <typename Worklet,
|
|
typename T,
|
|
typename... Args,
|
|
typename std::enable_if<
|
|
!std::is_base_of<internal::ScatterBase, internal::detail::remove_cvref<T>>::value,
|
|
int>::type* = nullptr>
|
|
inline void operator()(Worklet&& worklet, T&& t, Args&&... args) const
|
|
{
|
|
using WorkletType = internal::detail::remove_cvref<Worklet>;
|
|
using DispatcherType = typename WorkletType::template Dispatcher<WorkletType>;
|
|
|
|
DispatcherType dispatcher(worklet);
|
|
dispatcher.SetDevice(this->DeviceId);
|
|
dispatcher.Invoke(std::forward<T>(t), std::forward<Args>(args)...);
|
|
}
|
|
|
|
/// Get the device adapter that this Invoker is bound too
|
|
///
|
|
vtkm::cont::DeviceAdapterId GetDevice() const { return DeviceId; }
|
|
|
|
private:
|
|
vtkm::cont::DeviceAdapterId DeviceId;
|
|
};
|
|
}
|
|
}
|
|
|
|
#endif
|