Anthony Barbier | 6ff3b19 | 2017-09-04 18:44:23 +0100 | [diff] [blame] | 1 | /* |
Michalis Spyrou | f464337 | 2019-11-29 16:17:13 +0000 | [diff] [blame] | 2 | * Copyright (c) 2016-2019 ARM Limited. |
Anthony Barbier | 6ff3b19 | 2017-09-04 18:44:23 +0100 | [diff] [blame] | 3 | * |
| 4 | * SPDX-License-Identifier: MIT |
| 5 | * |
| 6 | * Permission is hereby granted, free of charge, to any person obtaining a copy |
| 7 | * of this software and associated documentation files (the "Software"), to |
| 8 | * deal in the Software without restriction, including without limitation the |
| 9 | * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or |
| 10 | * sell copies of the Software, and to permit persons to whom the Software is |
| 11 | * furnished to do so, subject to the following conditions: |
| 12 | * |
| 13 | * The above copyright notice and this permission notice shall be included in all |
| 14 | * copies or substantial portions of the Software. |
| 15 | * |
| 16 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| 17 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| 18 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
| 19 | * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
| 20 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
| 21 | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE |
| 22 | * SOFTWARE. |
| 23 | */ |
Michalis Spyrou | f464337 | 2019-11-29 16:17:13 +0000 | [diff] [blame] | 24 | #ifndef ARM_COMPUTE_NEREMAPKERNEL_H |
| 25 | #define ARM_COMPUTE_NEREMAPKERNEL_H |
Anthony Barbier | 6ff3b19 | 2017-09-04 18:44:23 +0100 | [diff] [blame] | 26 | |
| 27 | #include "arm_compute/core/NEON/INEKernel.h" |
| 28 | #include "arm_compute/core/Types.h" |
| 29 | |
| 30 | namespace arm_compute |
| 31 | { |
| 32 | class ITensor; |
| 33 | |
| 34 | /** NEON kernel to perform a remap on a tensor */ |
| 35 | class NERemapKernel : public INEKernel |
| 36 | { |
| 37 | public: |
Anthony Barbier | e8a4983 | 2018-01-18 10:04:05 +0000 | [diff] [blame] | 38 | const char *name() const override |
| 39 | { |
| 40 | return "NERemapKernel"; |
| 41 | } |
Anthony Barbier | 6ff3b19 | 2017-09-04 18:44:23 +0100 | [diff] [blame] | 42 | /** Default constructor */ |
| 43 | NERemapKernel(); |
| 44 | /** Prevent instances of this class from being copied (As this class contains pointers) */ |
| 45 | NERemapKernel(const NERemapKernel &) = delete; |
| 46 | /** Prevent instances of this class from being copied (As this class contains pointers) */ |
| 47 | NERemapKernel &operator=(const NERemapKernel &) = delete; |
| 48 | /** Allow instances of this class to be moved */ |
| 49 | NERemapKernel(NERemapKernel &&) = default; |
| 50 | /** Allow instances of this class to be moved */ |
| 51 | NERemapKernel &operator=(NERemapKernel &&) = default; |
| 52 | /** Default destructor */ |
| 53 | ~NERemapKernel() = default; |
| 54 | |
| 55 | /** Initialize the kernel's input, output and border mode. |
| 56 | * |
| 57 | * @param[in] input Source tensor. Data type supported: U8. |
| 58 | * @param[in] map_x Map for X coordinates. Data type supported: F32. |
| 59 | * @param[in] map_y Map for Y coordinates. Data type supported: F32. |
| 60 | * @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. |
| 61 | * @param[in] policy The interpolation type. |
| 62 | */ |
| 63 | void configure(const ITensor *input, const ITensor *map_x, const ITensor *map_y, ITensor *output, InterpolationPolicy policy); |
| 64 | |
| 65 | // Inherited methods overridden: |
Moritz Pflanzer | c186b57 | 2017-09-07 09:48:04 +0100 | [diff] [blame] | 66 | void run(const Window &window, const ThreadInfo &info) override; |
Sanghoon Lee | fc35b51 | 2017-10-18 12:09:04 +0100 | [diff] [blame] | 67 | BorderSize border_size() const override; |
Anthony Barbier | 6ff3b19 | 2017-09-04 18:44:23 +0100 | [diff] [blame] | 68 | |
| 69 | private: |
| 70 | /** function to perform nearest interpolation on the given window */ |
| 71 | void remap_nearest(const Window &window); |
| 72 | /** function to perform bilinear interpolation on the given window */ |
| 73 | void remap_bilinear(const Window &window); |
| 74 | /** Remap function to use for the particular interpolation type passed to configure() */ |
| 75 | void (NERemapKernel::*_func)(const Window &window); |
| 76 | |
| 77 | const ITensor *_input; /**< Input image */ |
| 78 | ITensor *_output; /**< Output image */ |
| 79 | const ITensor *_map_x; /**< Input remap x coordinates */ |
| 80 | const ITensor *_map_y; /**< Input remap y coordinates */ |
| 81 | }; |
Gian Marco Iodice | 356f643 | 2017-09-22 11:32:21 +0100 | [diff] [blame] | 82 | } // namespace arm_compute |
Michalis Spyrou | f464337 | 2019-11-29 16:17:13 +0000 | [diff] [blame] | 83 | #endif /*ARM_COMPUTE_NEREMAPKERNEL_H */ |