/**
 * \file dnn/src/x86/warp_perspective/opr_impl.cpp
 * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
 *
 * Copyright (c) 2014-2020 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/x86/warp_perspective/opr_impl.h"

#include "src/x86/utils.h"
#include "src/x86/warp_perspective/warp_perspective_cv.h"

#include "src/common/utils.h"
#include "src/common/warp_common.h"
#include "src/naive/handle.h"

namespace megdnn {
namespace x86 {

void WarpPerspectiveImpl::exec(_megdnn_tensor_in src, _megdnn_tensor_in mat,
                               _megdnn_tensor_in mat_idx, _megdnn_tensor_in dst,
                               _megdnn_workspace workspace) {
    check_exec_allow_nhwc_mat_idx(src.layout, mat.layout, mat_idx.layout,
                                  dst.layout, workspace.size);
    if (warp::is_cv_available(src.layout, mat.layout, dst.layout, param().imode,
                              param().format) &&
        is_supported(SIMDType::SSE4_2)) {
        warp_perspective_cv_exec(src, mat, mat_idx, dst, param().border_val,
                                 param().bmode, param().imode, handle());
    } else {
        //! Use fallback implementation
        fallback::WarpPerspectiveImpl::exec(src, mat, mat_idx, dst, workspace);
    }
}

}  // namespace x86
}  // namespace megdnn

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