| /* |
| * Copyright (c) 2018-2019 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_NESTACKLAYERKERNEL_H__ |
| #define __ARM_COMPUTE_NESTACKLAYERKERNEL_H__ |
| |
| #include "arm_compute/core/NEON/INEKernel.h" |
| #include "arm_compute/core/Types.h" |
| |
| namespace arm_compute |
| { |
| class ITensor; |
| |
| /** NEON kernel to stacks a rank-R tensor into one with rank-(R+1) along the axis dimension.*/ |
| class NEStackLayerKernel : public INEKernel |
| { |
| public: |
| const char *name() const override |
| { |
| return "NEStackLayerKernel"; |
| } |
| /** Default constructor */ |
| NEStackLayerKernel(); |
| /** Prevent instances of this class from being copied (As this class contains pointers) */ |
| NEStackLayerKernel(const NEStackLayerKernel &) = delete; |
| /** Prevent instances of this class from being copied (As this class contains pointers) */ |
| NEStackLayerKernel &operator=(const NEStackLayerKernel &) = delete; |
| /** Allow instances of this class to be moved */ |
| NEStackLayerKernel(NEStackLayerKernel &&) = default; |
| /** Allow instances of this class to be moved */ |
| NEStackLayerKernel &operator=(NEStackLayerKernel &&) = default; |
| /** Default destructor */ |
| ~NEStackLayerKernel() = default; |
| /** Initialise the kernel's inputs and output |
| * |
| * @note Supported input tensor rank: up to 4 |
| * |
| * @param[in] input Input tensor. Data types supported: U8/S8/QASYMM8/U16/S16/F16/U32/S32/F32 |
| * @param[in] axis The dimension to stack the tensors along. It must be smaller than the number of input dimensions. |
| * @param[in] idx_input Index of the input tensor in the list of tensors to stack. |
| * All tensors in the list must have the same shape |
| * @param[in] num_tensors Number of tensors to stack |
| * @param[out] output Output tensor. Data types supported: Same as @p input. |
| * |
| */ |
| void configure(const ITensor *input, unsigned int axis, unsigned int idx_input, unsigned int num_tensors, ITensor *output); |
| /** Static function to check if given info will lead to a valid configuration of @ref NEStackLayerKernel |
| * |
| * @note Supported input tensor rank: up to 4 |
| * |
| * @param[in] input Input tensor info. Data types supported: U8/S8/QASYMM8/U16/S16/F16/U32/S32/F32 |
| * @param[in] axis The dimension to stack the tensors along. It must be smaller than the number of input dimensions. |
| * @param[in] idx_input Index of the input tensor in the list of tensors to stack |
| * All tensors in the list must have the same shape |
| * @param[in] num_tensors Number of tensors to stack |
| * @param[in] output Output tensor info. Data types supported: Same as @p input. |
| * |
| * @return a status |
| */ |
| static Status validate(const ITensorInfo *input, unsigned int axis, unsigned int idx_input, unsigned int num_tensors, const ITensorInfo *output); |
| |
| // Inherited methods overridden |
| void run(const Window &window, const ThreadInfo &info) override; |
| |
| private: |
| const ITensor *_input; |
| ITensor *_output; |
| unsigned int _axis; |
| unsigned int _idx_input; |
| }; |
| } // namespace arm_compute |
| #endif /* __ARM_COMPUTE_NESTACKLAYERKERNEL_H__ */ |