device_dirichlet.F90

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module device_dirichlet
  use num_types, only : rp, c_rp
  use utils, only : neko_error
  use, intrinsic :: iso_c_binding, only : c_ptr, c_int
  implicit none
  private
 
#ifdef HAVE_HIP
  interface
     subroutine hip_dirichlet_apply_scalar(msk, x, g, m, strm) &
          bind(c, name = 'hip_dirichlet_apply_scalar')
       use, intrinsic :: iso_c_binding
       import c_rp
       implicit none
       real(c_rp) :: g
       integer(c_int) :: m
       type(c_ptr), value :: msk, x, strm
     end subroutine hip_dirichlet_apply_scalar
  end interface
 
  interface
     subroutine hip_dirichlet_apply_vector(msk, x, y, z, g, m, strm) &
          bind(c, name = 'hip_dirichlet_apply_vector')
       use, intrinsic :: iso_c_binding
       import c_rp
       implicit none
       real(c_rp) :: g
       integer(c_int) :: m
       type(c_ptr), value :: msk, x, y, z, strm
     end subroutine hip_dirichlet_apply_vector
  end interface
#elif HAVE_CUDA
  interface
     subroutine cuda_dirichlet_apply_scalar(msk, x, g, m, strm) &
          bind(c, name = 'cuda_dirichlet_apply_scalar')
       use, intrinsic :: iso_c_binding
       import c_rp
       implicit none
       real(c_rp) :: g
       integer(c_int) :: m
       type(c_ptr), value :: msk, x, strm
     end subroutine cuda_dirichlet_apply_scalar
  end interface
 
  interface
     subroutine cuda_dirichlet_apply_vector(msk, x, y, z, g, m, strm) &
          bind(c, name = 'cuda_dirichlet_apply_vector')
       use, intrinsic :: iso_c_binding
       import c_rp
       implicit none
       real(c_rp) :: g
       integer(c_int) :: m
       type(c_ptr), value :: msk, x, y, z, strm
     end subroutine cuda_dirichlet_apply_vector
  end interface
#elif HAVE_OPENCL
  interface
     subroutine opencl_dirichlet_apply_scalar(msk, x, g, m, strm) &
          bind(c, name = 'opencl_dirichlet_apply_scalar')
       use, intrinsic :: iso_c_binding
       import c_rp
       implicit none
       real(c_rp) :: g
       integer(c_int) :: m
       type(c_ptr), value :: msk, x, strm
     end subroutine opencl_dirichlet_apply_scalar
  end interface
 
  interface
     subroutine opencl_dirichlet_apply_vector(msk, x, y, z, g, m, strm) &
          bind(c, name = 'opencl_dirichlet_apply_vector')
       use, intrinsic :: iso_c_binding
       import c_rp
       implicit none
       real(c_rp) :: g
       integer(c_int) :: m
       type(c_ptr), value :: msk, x, y, z, strm
     end subroutine opencl_dirichlet_apply_vector
  end interface
#elif HAVE_METAL
  interface
     subroutine metal_dirichlet_apply_scalar(msk, x, g, m, strm) &
          bind(c, name = 'metal_dirichlet_apply_scalar')
       use, intrinsic :: iso_c_binding
       import c_rp
       implicit none
       real(c_rp) :: g
       integer(c_int) :: m
       type(c_ptr), value :: msk, x, strm
     end subroutine metal_dirichlet_apply_scalar
  end interface
 
  interface
     subroutine metal_dirichlet_apply_vector(msk, x, y, z, g, m, strm) &
          bind(c, name = 'metal_dirichlet_apply_vector')
       use, intrinsic :: iso_c_binding
       import c_rp
       implicit none
       real(c_rp) :: g
       integer(c_int) :: m
       type(c_ptr), value :: msk, x, y, z, strm
     end subroutine metal_dirichlet_apply_vector
  end interface
#endif
 
  public :: device_dirichlet_apply_scalar, device_dirichlet_apply_vector
 
contains
 
  subroutine device_dirichlet_apply_scalar(msk, x, g, m, strm)
    integer, intent(in) :: m
    type(c_ptr) :: msk, x, strm
    real(kind=rp), intent(in) :: g
 
#ifdef HAVE_HIP
    call hip_dirichlet_apply_scalar(msk, x, g, m, strm)
#elif HAVE_CUDA
    call cuda_dirichlet_apply_scalar(msk, x, g, m, strm)
#elif HAVE_OPENCL
    call opencl_dirichlet_apply_scalar(msk, x, g, m, strm)
#elif HAVE_METAL
    call metal_dirichlet_apply_scalar(msk, x, g, m, strm)
#else
    call neko_error('No device backend configured')
#endif
 
  end subroutine device_dirichlet_apply_scalar
 
  subroutine device_dirichlet_apply_vector(msk, x, y, z, g, m, strm)
    integer, intent(in) :: m
    type(c_ptr) :: msk, x, y, z, strm
    real(kind=rp), intent(in) :: g
 
#ifdef HAVE_HIP
    call hip_dirichlet_apply_vector(msk, x, y, z, g, m, strm)
#elif HAVE_CUDA
    call cuda_dirichlet_apply_vector(msk, x, y, z, g, m, strm)
#elif HAVE_OPENCL
    call opencl_dirichlet_apply_vector(msk, x, y, z, g, m, strm)
#elif HAVE_METAL
    call metal_dirichlet_apply_vector(msk, x, y, z, g, m, strm)
#else
    call neko_error('No device backend configured')
#endif
 
  end subroutine device_dirichlet_apply_vector
 
end module device_dirichlet