CudaAllocator.h

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//
//  By contributing to this file, all contributors agree to the Developer
//  Certificate of Origin Version 1.1 (DCO 1.1) as stated in DCO.txt.
//============================================================================
 
//============================================================================
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#ifndef viskores_cont_cuda_internal_CudaAllocator_h
#define viskores_cont_cuda_internal_CudaAllocator_h
 
#include <viskores/cont/viskores_cont_export.h>
#include <viskores/internal/ExportMacros.h>
 
#include <cstddef>
 
namespace viskores
{
namespace cont
{
namespace cuda
{
namespace internal
{
 
struct VISKORES_CONT_EXPORT CudaAllocator
{
  static VISKORES_CONT bool UsingManagedMemory();
 
  static VISKORES_CONT void ForceManagedMemoryOff();
 
  static VISKORES_CONT void ForceManagedMemoryOn();
 
  static VISKORES_CONT void ForceSyncMemoryAllocator();
  static VISKORES_CONT void ForceAsyncMemoryAllocator();
 
  static VISKORES_CONT bool IsDevicePointer(const void* ptr);
 
  static VISKORES_CONT bool IsManagedPointer(const void* ptr);
 
  static VISKORES_CONT void* Allocate(std::size_t numBytes);
 
  static VISKORES_CONT void* AllocateUnManaged(std::size_t numBytes);
 
  static VISKORES_CONT void Free(void* ptr);
 
  static VISKORES_CONT void FreeDeferred(void* ptr, std::size_t numBytes);
 
  static VISKORES_CONT void PrepareForControl(const void* ptr, std::size_t numBytes);
 
  static VISKORES_CONT void PrepareForInput(const void* ptr, std::size_t numBytes);
  static VISKORES_CONT void PrepareForOutput(const void* ptr, std::size_t numBytes);
  static VISKORES_CONT void PrepareForInPlace(const void* ptr, std::size_t numBytes);
 
private:
  static VISKORES_CONT void Initialize();
};
}
}
}
} // end namespace viskores::cont::cuda::internal
 
#endif // viskores_cont_cuda_internal_CudaAllocator_h