megenginelite-sys 1.8.2

A safe megenginelite wrapper in Rust
Documentation 
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/**
 * \file dnn/src/cuda/mask_conv/opr_impl.cpp
 * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
 *
 * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT ARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 */

#include "src/cuda/mask_conv/opr_impl.h"
#include "./mask_conv.cuh"
#include "src/cuda/utils.h"

namespace megdnn {
namespace cuda {

MaskConvForwardImpl::MaskConvForwardImpl(Handle* handle) : MaskConvForward(handle) {
    m_conv_opr =
            static_cast<HandleImpl*>(handle)->create_operator<ConvolutionForward>();
}

void MaskConvForwardImpl::exec(
        _megdnn_tensor_in src, _megdnn_tensor_in filter, _megdnn_tensor_in mask,
        _megdnn_tensor_out dst, _megdnn_workspace workspace) {
    megdnn_assert(
            dst.layout.dtype.enumv() == DTypeTrait<dtype::Float32>::enumv,
            "Mask conv only support Float32 dtype.");
    m_conv_opr->exec(src, filter, dst, nullptr, workspace);
    auto stream = cuda_stream(handle());
#define cb(DType)                                                                  \
    if (mask.layout.dtype == DType()) {                                            \
        using ctype = typename DTypeTrait<DType>::ctype;                           \
        mask_conv::set_zero_by_mask_proxy<ctype>(                                  \
                dst.ptr<float>(), mask.ptr<ctype>(), dst.layout[0], dst.layout[1], \
                dst.layout[2], dst.layout[3], stream);                             \
        return;                                                                    \
    }

    MEGDNN_FOREACH_COMPUTING_DTYPE_INT(cb)
#undef cb
    megdnn_assert_internal(0);
}

void MaskPropagateImpl::exec(
        _megdnn_tensor_in src, _megdnn_tensor_out dst, _megdnn_workspace) {
    auto stream = cuda_stream(handle());

#define cb(DType)                                                                 \
    if (src.layout.dtype == DType()) {                                            \
        using ctype = typename DTypeTrait<DType>::ctype;                          \
        mask_conv::mask_propagate_exec_proxy<ctype>(                              \
                src.ptr<ctype>(), dst.ptr<ctype>(), src.layout[0], src.layout[1], \
                dst.layout[0], dst.layout[1], param().kernel_h, param().kernel_w, \
                param().stride_h, param().stride_w, param().pad_h, param().pad_w, \
                param().dilate_h, param().dilate_w, stream);                      \
        return;                                                                   \
    }

    MEGDNN_FOREACH_COMPUTING_DTYPE_INT(cb);
#undef cb
    megdnn_assert_internal(0);
}

}  // namespace cuda
}  // namespace megdnn