CudaAllocator.h

Go to the documentation of this file.

//============================================================================
//  Copyright (c) Kitware, Inc.
//  All rights reserved.
//  See LICENSE.txt for details.
//
//  This software is distributed WITHOUT ANY WARRANTY; without even
//  the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
//  PURPOSE.  See the above copyright notice for more information.
//============================================================================
 
#ifndef vtk_m_cont_cuda_internal_CudaAllocator_h
#define vtk_m_cont_cuda_internal_CudaAllocator_h
 
#include <vtkm/cont/vtkm_cont_export.h>
#include <vtkm/internal/ExportMacros.h>
 
#include <cstddef>
 
namespace vtkm
{
namespace cont
{
namespace cuda
{
namespace internal
{
 
struct VTKM_CONT_EXPORT CudaAllocator
{
  static VTKM_CONT bool UsingManagedMemory();
 
  static VTKM_CONT void ForceManagedMemoryOff();
 
  static VTKM_CONT void ForceManagedMemoryOn();
 
  static VTKM_CONT void ForceSyncMemoryAllocator();
  static VTKM_CONT void ForceAsyncMemoryAllocator();
 
  static VTKM_CONT bool IsDevicePointer(const void* ptr);
 
  static VTKM_CONT bool IsManagedPointer(const void* ptr);
 
  static VTKM_CONT void* Allocate(std::size_t numBytes);
 
  static VTKM_CONT void* AllocateUnManaged(std::size_t numBytes);
 
  static VTKM_CONT void Free(void* ptr);
 
  static VTKM_CONT void FreeDeferred(void* ptr, std::size_t numBytes);
 
  static VTKM_CONT void PrepareForControl(const void* ptr, std::size_t numBytes);
 
  static VTKM_CONT void PrepareForInput(const void* ptr, std::size_t numBytes);
  static VTKM_CONT void PrepareForOutput(const void* ptr, std::size_t numBytes);
  static VTKM_CONT void PrepareForInPlace(const void* ptr, std::size_t numBytes);
 
private:
  static VTKM_CONT void Initialize();
};
}
}
}
} // end namespace vtkm::cont::cuda::internal
 
#endif // vtk_m_cont_cuda_internal_CudaAllocator_h