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37 lines
1.8 KiB
C
37 lines
1.8 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_cuda_internal_DeviceAdapterTagCuda_h
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#define vtk_m_cont_cuda_internal_DeviceAdapterTagCuda_h
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#include <vtkm/cont/DeviceAdapterTag.h>
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/// @struct vtkm::cont::DeviceAdapterTagCuda
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/// @brief Tag for a device adapter that uses a CUDA capable GPU device.
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///
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/// For this device to work, VTK-m must be configured to use CUDA and the code must
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/// be compiled by the CUDA `nvcc` compiler. This tag is defined in
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/// `vtkm/cont/cuda/DeviceAdapterCuda.h`.
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// We always create the cuda tag when included, but we only mark it as a valid tag when
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// VTKM_ENABLE_CUDA is true. This is for easier development of multi-backend systems.
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//
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// We usually mark the Cuda device as valid if VTKM_ENABLE_CUDA even if not compiling with Cuda.
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// This is because you can still call a method in a different translation unit that is compiled
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// with Cuda. However, if VTKM_NO_ERROR_ON_MIXED_CUDA_CXX_TAG is set and we are not compiling with
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// Cuda, then the device is marked invalid. This is so you can specifically compile CPU stuff even
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// if other units are using Cuda.
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#if defined(VTKM_ENABLE_CUDA) && !defined(VTKM_NO_ERROR_ON_MIXED_CUDA_CXX_TAG)
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VTKM_VALID_DEVICE_ADAPTER(Cuda, VTKM_DEVICE_ADAPTER_CUDA);
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#else
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VTKM_INVALID_DEVICE_ADAPTER(Cuda, VTKM_DEVICE_ADAPTER_CUDA);
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#endif
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#endif //vtk_m_cont_cuda_internal_DeviceAdapterTagCuda_h
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