mirror of
https://gitlab.kitware.com/vtk/vtk-m
synced 2024-09-16 17:22:55 +00:00
114 lines
3.4 KiB
C++
114 lines
3.4 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 2017 National Technology & Engineering Solutions of Sandia, LLC (NTESS).
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// Copyright 2017 UT-Battelle, LLC.
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// Copyright 2017 Los Alamos National Security.
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//
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// Under the terms of Contract DE-NA0003525 with NTESS,
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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 "Benchmarker.h"
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#include <vtkm/TypeTraits.h>
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#include <vtkm/cont/ArrayHandle.h>
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#include <vtkm/cont/DeviceAdapterAlgorithm.h>
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#include <vtkm/cont/Timer.h>
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#include <vtkm/cont/testing/MakeTestDataSet.h>
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#include <vtkm/rendering/Camera.h>
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#include <vtkm/rendering/internal/RunTriangulator.h>
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#include <vtkm/rendering/raytracing/Ray.h>
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#include <vtkm/rendering/raytracing/RayTracer.h>
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#include <vtkm/exec/FunctorBase.h>
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#include <sstream>
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#include <string>
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#include <vector>
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using namespace vtkm::benchmarking;
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namespace vtkm
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{
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namespace benchmarking
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{
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template <typename Precision>
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struct BenchRayTracing
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{
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vtkm::rendering::raytracing::RayTracer Tracer;
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vtkm::rendering::raytracing::Camera RayCamera;
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vtkm::cont::ArrayHandle<vtkm::Vec<vtkm::Id, 4>> Indices;
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vtkm::rendering::raytracing::Ray<Precision> Rays;
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vtkm::Id NumberOfTriangles;
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vtkm::cont::CoordinateSystem Coords;
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vtkm::cont::DataSet Data;
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VTKM_CONT BenchRayTracing()
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{
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vtkm::cont::testing::MakeTestDataSet maker;
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Data = maker.Make3DUniformDataSet2();
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Coords = Data.GetCoordinateSystem();
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vtkm::rendering::Camera camera;
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vtkm::Bounds bounds = Data.GetCoordinateSystem().GetBounds();
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camera.ResetToBounds(bounds);
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vtkm::cont::DynamicCellSet cellset = Data.GetCellSet();
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vtkm::rendering::internal::RunTriangulator(cellset, Indices, NumberOfTriangles);
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vtkm::rendering::CanvasRayTracer canvas(1920, 1080);
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RayCamera.SetParameters(camera, canvas);
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RayCamera.CreateRays(Rays, Coords);
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Rays.Buffers.at(0).InitConst(0.f);
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vtkm::cont::Field field = Data.GetField("pointvar");
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vtkm::Range range = field.GetRange().GetPortalConstControl().Get(0);
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Tracer.SetData(Coords.GetData(), Indices, field, NumberOfTriangles, range, bounds);
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vtkm::cont::ArrayHandle<vtkm::Vec<vtkm::Float32, 4>> colors;
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vtkm::rendering::ColorTable("cool2warm").Sample(100, colors);
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Tracer.SetColorMap(colors);
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Tracer.Render(Rays);
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}
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VTKM_CONT
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vtkm::Float64 operator()()
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{
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vtkm::cont::Timer<VTKM_DEFAULT_DEVICE_ADAPTER_TAG> timer;
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RayCamera.CreateRays(Rays, Coords);
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Tracer.Render(Rays);
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return timer.GetElapsedTime();
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}
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VTKM_CONT
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std::string Description() const { return "A ray tracing benchmark"; }
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};
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VTKM_MAKE_BENCHMARK(RayTracing, BenchRayTracing);
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}
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} // end namespace vtkm::benchmarking
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int main(int, char* [])
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{
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using TestTypes = vtkm::ListTagBase<vtkm::Float32>;
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VTKM_RUN_BENCHMARK(RayTracing, vtkm::ListTagBase<vtkm::Float32>());
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return 0;
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}
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