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https://gitlab.kitware.com/vtk/vtk-m
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79399c210e
The Fetch class is responsible for moving data in and out of some collection in the execution environment. The Fetch class is templated with a pair of tags (the type of fetch and the aspect) that control the mechanism used for the fetch.
99 lines
2.9 KiB
C++
99 lines
2.9 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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// 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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// Copyright 2014 Sandia Corporation.
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// Copyright 2014 UT-Battelle, LLC.
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// Copyright 2014. Los Alamos National Security
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//
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// Under the terms of Contract DE-AC04-94AL85000 with Sandia Corporation,
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// the U.S. Government retains certain rights in this software.
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//
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// Under the terms of Contract DE-AC52-06NA25396 with Los Alamos National
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// Laboratory (LANL), the U.S. Government retains certain rights in
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// this software.
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//============================================================================
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#include <vtkm/exec/arg/FetchTagExecObject.h>
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#include <vtkm/internal/FunctionInterface.h>
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#include <vtkm/internal/Invocation.h>
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#include <vtkm/exec/ExecutionObjectBase.h>
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#include <vtkm/testing/Testing.h>
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#define EXPECTED_NUMBER 67
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namespace {
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struct TestExecutionObject : public vtkm::exec::ExecutionObjectBase
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{
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TestExecutionObject() : Number(0xDEADDEAD) { }
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TestExecutionObject(vtkm::Int32 number) : Number(number) { }
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vtkm::Int32 Number;
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};
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struct NullParam { };
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template<vtkm::IdComponent ParamIndex, typename Invocation>
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void TryInvocation(const Invocation &invocation)
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{
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typedef vtkm::exec::arg::Fetch<
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vtkm::exec::arg::FetchTagExecObject,
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vtkm::exec::arg::AspectTagDefault,
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Invocation,
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ParamIndex> FetchType;
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FetchType fetch;
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TestExecutionObject execObject = fetch.Load(0, invocation);
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VTKM_TEST_ASSERT(execObject.Number == EXPECTED_NUMBER,
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"Did not load object correctly.");
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execObject.Number = -1;
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// This should be a no-op.
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fetch.Store(0, invocation, execObject);
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// Data in Invocation should not have changed.
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execObject = invocation.Parameters.template GetParameter<ParamIndex>();
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VTKM_TEST_ASSERT(execObject.Number == EXPECTED_NUMBER,
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"Fetch changed read-only execution object.");
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}
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template<vtkm::IdComponent ParamIndex>
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void TryParamIndex()
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{
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std::cout << "Trying ExecObject fetch on parameter " << ParamIndex
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<< std::endl;
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typedef vtkm::internal::FunctionInterface<
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void(NullParam,NullParam,NullParam,NullParam,NullParam)>
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BaseFunctionInterface;
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TryInvocation<ParamIndex>(vtkm::internal::make_Invocation<1>(
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BaseFunctionInterface().Replace<ParamIndex>(
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TestExecutionObject(EXPECTED_NUMBER))));
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}
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void TestExecObjectFetch()
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{
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TryParamIndex<1>();
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TryParamIndex<2>();
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TryParamIndex<3>();
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TryParamIndex<4>();
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TryParamIndex<5>();
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}
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} // anonymous namespace
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int UnitTestFetchExecObject(int, char *[])
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{
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return vtkm::testing::Testing::Run(TestExecObjectFetch);
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}
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