import os

from torch.utils.cpp_extension import load

_src_path = os.path.dirname(os.path.abspath(__file__))
_backend = load(
    name="_pvcnn_backend",
    extra_cflags=["-O3", "-std=c++17"],
    extra_cuda_cflags=["--compiler-bindir=/softs/gcc/11.2.0/bin/gcc"],
    sources=[
        os.path.join(_src_path, "src", f)
        for f in [
            "ball_query/ball_query.cpp",
            "ball_query/ball_query.cu",
            "grouping/grouping.cpp",
            "grouping/grouping.cu",
            "interpolate/neighbor_interpolate.cpp",
            "interpolate/neighbor_interpolate.cu",
            "interpolate/trilinear_devox.cpp",
            "interpolate/trilinear_devox.cu",
            "sampling/sampling.cpp",
            "sampling/sampling.cu",
            "voxelization/vox.cpp",
            "voxelization/vox.cu",
            "bindings.cpp",
        ]
    ],
)

__all__ = ["_backend"]