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Determine ExecObject type directly from PrepareForExecution

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Rather than require all ExecutionObjectFactoryBase classes to declare a
templated ExecObjectType type, get the type of the execution object
directly from the result of the PrepareForExecution method.
This commit is contained in:
Kenneth Moreland 2018-02-28 13:18:45 -07:00 committed by Matthew Letter
parent 7c3342c1d8
commit 9127029fbb
4 changed files with 9 additions and 26 deletions
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8
vtkm/cont/CellLocatorTwoLevelUniformGrid.h
View File

@ -613,12 +613,10 @@ public:
struct TwoLevelUniformGridExecutionObjectFactory : public vtkm::cont::ExecutionObjectFactoryBase
{
template <typename DeviceAdapter>
using ExecObjectType = TwoLevelUniformGridExecution<DeviceAdapter>;
template <typename DeviceAdapter>
VTKM_CONT ExecObjectType<DeviceAdapter> PrepareForExecution(DeviceAdapter device) const
VTKM_CONT TwoLevelUniformGridExecution<DeviceAdapter> PrepareForExecution(
DeviceAdapter device) const
{
ExecObjectType<DeviceAdapter> deviceObject;
TwoLevelUniformGridExecution<DeviceAdapter> deviceObject;
deviceObject.TopLevel = this->TopLevel;
deviceObject.LeafDimensions = this->LeafDimensions.PrepareForInput(device);
deviceObject.LeafStartIndex = this->LeafStartIndex.PrepareForInput(device);

10
vtkm/cont/arg/TransportTagExecObject.h
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@ -47,16 +47,14 @@ struct TransportTagExecObject
template <typename ContObjectType, typename Device>
struct Transport<vtkm::cont::arg::TransportTagExecObject, ContObjectType, Device>
{
// If you get a compile error here, it means you tried to use an object that
// is not an execution object as an argument that is expected to be one. All
// execution objects are expected to inherit from
// vtkm::exec::ExecutionObjectBase.
// If you get a compile error here, it means you tried to use an object that is not an execution
// object as an argument that is expected to be one. All execution objects are expected to
// inherit from vtkm::exec::ExecutionObjectFactoryBase.
VTKM_STATIC_ASSERT_MSG(
(std::is_base_of<vtkm::cont::ExecutionObjectFactoryBase, ContObjectType>::value),
"All execution objects are expected to inherit from vtkm::exec::ExecutionObjectBase");
// using ExecObjectType = typename ContObjectType::template ExecObjectType<Device>;
using ExecObjectType = typename ContObjectType::template ExecObjectType<Device>;
using ExecObjectType = decltype(std::declval<ContObjectType>().PrepareForExecution(Device()));
template <typename InputDomainType>
VTKM_CONT ExecObjectType
operator()(const ContObjectType& object, const InputDomainType&, vtkm::Id, vtkm::Id) const

7
vtkm/cont/arg/testing/UnitTestTransportExecObject.cxx
View File

@ -44,12 +44,9 @@ struct TestExecutionObject : public vtkm::cont::ExecutionObjectFactoryBase
vtkm::Int32 Number;
template <typename Device>
using ExecObjectType = ExecutionObject<Device>;
template <typename Device>
VTKM_CONT ExecObjectType<Device> PrepareForExecution(Device) const
VTKM_CONT ExecutionObject<Device> PrepareForExecution(Device) const
{
ExecObjectType<Device> object;
ExecutionObject<Device> object;
object.Number = this->Number;
return object;
}

10
vtkm/exec/arg/FetchTagExecObject.h
View File

@ -23,8 +23,6 @@
#include <vtkm/exec/arg/AspectTagDefault.h>
#include <vtkm/exec/arg/Fetch.h>
#include <vtkm/cont/ExecutionObjectFactoryBase.h>
#include <type_traits>
namespace vtkm
@ -51,14 +49,6 @@ struct Fetch<vtkm::exec::arg::FetchTagExecObject,
ThreadIndicesType,
ExecObjectType>
{
// If you get a compile error here, it means you tried to use an object that
// is not an execution object as an argument that is expected to be one. All
// execution objects are expected to inherit from
// vtkm::exec::ExecutionObjectFactoryBase.
static_assert(
std::is_base_of<vtkm::cont::ExecutionObjectFactoryBase, ExecObjectType>::value,
"All execution objects are expected to inherit from vtkm::cont::ExecutionObjectFactoryBase");
using ValueType = ExecObjectType;
VTKM_SUPPRESS_EXEC_WARNINGS