| /* |
| * Copyright (c) 2018-2021 Arm Limited. |
| * |
| * SPDX-License-Identifier: MIT |
| * |
| * Permission is hereby granted, free of charge, to any person obtaining a copy |
| * of this software and associated documentation files (the "Software"), to |
| * deal in the Software without restriction, including without limitation the |
| * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or |
| * sell copies of the Software, and to permit persons to whom the Software is |
| * furnished to do so, subject to the following conditions: |
| * |
| * The above copyright notice and this permission notice shall be included in all |
| * copies or substantial portions of the Software. |
| * |
| * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
| * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
| * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
| * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE |
| * SOFTWARE. |
| */ |
| #ifndef ARM_COMPUTE_NEPADLAYER_H |
| #define ARM_COMPUTE_NEPADLAYER_H |
| |
| #include "arm_compute/runtime/IFunction.h" |
| #include "arm_compute/runtime/NEON/functions/NEConcatenateLayer.h" |
| #include "arm_compute/runtime/NEON/functions/NECopy.h" |
| #include "arm_compute/runtime/NEON/functions/NEStridedSlice.h" |
| #include "arm_compute/runtime/SubTensor.h" |
| |
| #include "arm_compute/core/Types.h" |
| #include "arm_compute/runtime/Tensor.h" |
| #include <memory> |
| |
| namespace arm_compute |
| { |
| class NEPadLayerKernel; |
| |
| /** Basic function to pad a tensor. This function calls the following NEON functions/kernels: |
| * |
| * - For padding mode = PaddingMode::CONSTANT: |
| * -# @ref NEPadLayerKernel |
| * - Otherwise: |
| * -# @ref NECopy |
| * -# @ref NEStridedSlice |
| * -# @ref NEConcatenateLayer |
| * |
| */ |
| class NEPadLayer : public IFunction |
| { |
| public: |
| /** Default Constructor */ |
| NEPadLayer(); |
| /** Prevent instances of this class from being copied (As this class contains pointers) */ |
| NEPadLayer(const NEPadLayer &) = delete; |
| /** Prevent instances of this class from being copied (As this class contains pointers) */ |
| NEPadLayer &operator=(const NEPadLayer &) = delete; |
| /** Prevent instances of this class from being moved (As this class contains non movable objects) */ |
| NEPadLayer(NEPadLayer &&) = delete; |
| /** Prevent instances of this class from being moved (As this class contains non movable objects) */ |
| NEPadLayer &operator=(NEPadLayer &&) = delete; |
| /** Default destructor */ |
| ~NEPadLayer(); |
| /** Initialize the function |
| * |
| * @param[in] input Source tensor. Data types supported: All. |
| * @param[out] output Output tensor. Data type supported: same as @p input |
| * @param[in] padding The padding for each spatial dimension of the input tensor. The pair padding[i] |
| * specifies the front and the end padding in the i-th dimension. |
| * @param[in] constant_value (Optional) Constant value to be used for the padding |
| * @param[in] mode (Optional) Controls whether the padding should be filled with @p constant_value using CONSTANT, |
| * or reflect the input, either including the border values (SYMMETRIC) or not (REFLECT). |
| */ |
| void configure(ITensor *input, ITensor *output, const PaddingList &padding, const PixelValue constant_value = PixelValue(), const PaddingMode mode = PaddingMode::CONSTANT); |
| /** Static function to check if given info will lead to a valid configuration of @ref NEPadLayer. |
| * |
| * @param[in] input Source tensor info. Data types supported: All. |
| * @param[in] output Output tensor info. Data type supported: same as @p input |
| * @param[in] padding The padding for each spatial dimension of the input tensor. The pair padding[i] |
| * specifies the front and the end padding in the i-th dimension. |
| * @param[in] constant_value (Optional) Constant value to be used for the padding |
| * @param[in] mode (Optional) Controls whether the padding should be filled with @p constant_value using CONSTANT, |
| * or reflect the input, either including the border values (SYMMETRIC) or not (REFLECT). |
| * |
| * @return a status |
| */ |
| static Status validate(const ITensorInfo *input, const ITensorInfo *output, const PaddingList &padding, const PixelValue constant_value = PixelValue(), const PaddingMode mode = PaddingMode::CONSTANT); |
| |
| // Inherited methods overridden: |
| void run() override; |
| |
| private: |
| /** Configure kernels for when constant padding is used. |
| * |
| * @param[in] input Source tensor. Data types supported: All. |
| * @param[out] output Output tensor. Data type supported: same as @p input |
| * @param[in] padding The padding for each spatial dimension of the input tensor. The pair padding[i] |
| * specifies the front and the end padding in the i-th dimension. |
| * @param[in] constant_value Constant value to be used for the padding |
| */ |
| void configure_constant_mode(ITensor *input, ITensor *output, const PaddingList &padding, const PixelValue constant_value); |
| /** Configure functions for when reflect or symmetric padding is used. |
| * |
| * @param[in] input Source tensor. Data types supported: All. |
| * @param[out] output Output tensor. Data type supported: same as @p input |
| */ |
| void configure_reflect_symmetric_mode(ITensor *input, ITensor *output); |
| |
| private: |
| NECopy _copy_function; |
| std::unique_ptr<NEPadLayerKernel> _pad_kernel; |
| PaddingMode _mode; |
| PaddingList _padding; |
| uint32_t _num_dimensions; |
| std::vector<NEStridedSlice> _slice_functions; |
| std::vector<NEConcatenateLayer> _concat_functions; |
| std::vector<Tensor> _slice_results; |
| std::vector<Tensor> _concat_results; |
| }; |
| } // namespace arm_compute |
| #endif /*ARM_COMPUTE_NEPADLAYER_H */ |