| /* |
| * Copyright (c) 2016-2018 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_NEREMAPKERNEL_H__ |
| #define __ARM_COMPUTE_NEREMAPKERNEL_H__ |
| |
| #include "arm_compute/core/NEON/INEKernel.h" |
| #include "arm_compute/core/Types.h" |
| |
| namespace arm_compute |
| { |
| class ITensor; |
| |
| /** NEON kernel to perform a remap on a tensor */ |
| class NERemapKernel : public INEKernel |
| { |
| public: |
| const char *name() const override |
| { |
| return "NERemapKernel"; |
| } |
| /** Default constructor */ |
| NERemapKernel(); |
| /** Prevent instances of this class from being copied (As this class contains pointers) */ |
| NERemapKernel(const NERemapKernel &) = delete; |
| /** Prevent instances of this class from being copied (As this class contains pointers) */ |
| NERemapKernel &operator=(const NERemapKernel &) = delete; |
| /** Allow instances of this class to be moved */ |
| NERemapKernel(NERemapKernel &&) = default; |
| /** Allow instances of this class to be moved */ |
| NERemapKernel &operator=(NERemapKernel &&) = default; |
| /** Default destructor */ |
| ~NERemapKernel() = default; |
| |
| /** Initialize the kernel's input, output and border mode. |
| * |
| * @param[in] input Source tensor. Data type supported: U8. |
| * @param[in] map_x Map for X coordinates. Data type supported: F32. |
| * @param[in] map_y Map for Y coordinates. Data type supported: F32. |
| * @param[out] output Destination tensor. Data types supported: U8. All but the lowest two dimensions must be the same size as in the input tensor, i.e. remapping is only performed within the XY-plane. |
| * @param[in] policy The interpolation type. |
| */ |
| void configure(const ITensor *input, const ITensor *map_x, const ITensor *map_y, ITensor *output, InterpolationPolicy policy); |
| |
| // Inherited methods overridden: |
| void run(const Window &window, const ThreadInfo &info) override; |
| BorderSize border_size() const override; |
| |
| private: |
| /** function to perform nearest interpolation on the given window */ |
| void remap_nearest(const Window &window); |
| /** function to perform bilinear interpolation on the given window */ |
| void remap_bilinear(const Window &window); |
| /** Remap function to use for the particular interpolation type passed to configure() */ |
| void (NERemapKernel::*_func)(const Window &window); |
| |
| const ITensor *_input; /**< Input image */ |
| ITensor *_output; /**< Output image */ |
| const ITensor *_map_x; /**< Input remap x coordinates */ |
| const ITensor *_map_y; /**< Input remap y coordinates */ |
| }; |
| } // namespace arm_compute |
| #endif /*__ARM_COMPUTE_NEREMAPKERNEL_H__ */ |