mirror of
https://gitlab.kitware.com/vtk/vtk-m
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57 lines
2.2 KiB
C++
57 lines
2.2 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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#ifndef vtk_m_interop_TransferToOpenGL_h
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#define vtk_m_interop_TransferToOpenGL_h
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#include <vtkm/cont/ArrayHandle.h>
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#include <vtkm/interop/BufferState.h>
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#include <vtkm/interop/internal/TransferToOpenGL.h>
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namespace vtkm{
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namespace interop{
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/// \brief Manages transferring an ArrayHandle to opengl .
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///
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/// \c TransferToOpenGL manages to transfer the contents of an ArrayHandle
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/// to OpenGL as efficiently as possible. Will use the given \p state to determine
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/// what buffer handle to use, and the type to bind the buffer handle too.
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/// If the type of buffer hasn't been determined the transfer will use
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/// deduceAndSetBufferType to do so. Lastly state also holds on to per backend resources
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/// that allow for efficient updating to open gl
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///
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/// This function keeps the buffer as the active buffer of the input type.
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///
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/// This function will throw exceptions if the transfer wasn't possible
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///
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template<typename ValueType, class StorageTag, class DeviceAdapterTag>
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VTKM_CONT_EXPORT
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void TransferToOpenGL(vtkm::cont::ArrayHandle<ValueType, StorageTag> handle,
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BufferState& state,
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DeviceAdapterTag)
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{
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vtkm::interop::internal::TransferToOpenGL<ValueType, DeviceAdapterTag> toGL(state);
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return toGL.Transfer(handle);
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}
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}}
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#endif //vtk_m_interop_TransferToOpenGL_h
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