1 /* 2 * Copyright (c) 2016-2019 Arm Limited. 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 */ 24 #ifndef ARM_COMPUTE_PYRAMID_H 25 #define ARM_COMPUTE_PYRAMID_H 26 27 #include "arm_compute/core/IPyramid.h" 28 #include "arm_compute/core/PyramidInfo.h" 29 #include "arm_compute/core/Types.h" 30 #include "arm_compute/runtime/Tensor.h" 31 32 #include <cstddef> 33 #include <memory> 34 35 namespace arm_compute 36 { 37 class Tensor; 38 39 /** Basic implementation of the pyramid interface */ 40 class Pyramid : public IPyramid 41 { 42 public: 43 /** Initialize pyramid data-object using the given Pyramid's metadata 44 * 45 * @param[in] info Pyramid's metadata 46 */ 47 void init(const PyramidInfo &info); 48 49 /** Initialize pyramid data-object using the given Pyramid's metadata 50 * 51 * @note Uses conservative padding strategy which fits all kernels. 52 * 53 * @param[in] info Pyramid's metadata 54 */ 55 void init_auto_padding(const PyramidInfo &info); 56 57 /** Allocate the planes in the pyramid */ 58 void allocate(); 59 60 // Inherited method overridden 61 const PyramidInfo *info() const override; 62 Tensor *get_pyramid_level(size_t index) const override; 63 64 private: 65 /** Initialize pyramid data-object using the given Pyramid's metadata 66 * 67 * @param[in] info Pyramid's metadata 68 * @param[in] auto_padding Specifies whether the image in the pyramid use auto padding 69 */ 70 void internal_init(const PyramidInfo &info, bool auto_padding); 71 72 PyramidInfo _info{}; 73 mutable std::vector<Tensor> _pyramid{}; 74 }; 75 } 76 #endif /*ARM_COMPUTE_PYRAMID_H */ 77