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_CLPYRAMID_H 25 #define ARM_COMPUTE_CLPYRAMID_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/CL/CLTensor.h" 31 32 #include <cstddef> 33 #include <memory> 34 35 namespace arm_compute 36 { 37 class CLTensor; 38 39 /** Basic implementation of the OpenCL pyramid interface */ 40 class CLPyramid : public IPyramid 41 { 42 public: 43 /** Default constructor */ 44 CLPyramid(); 45 /** Initialize pyramid data-object using the given Pyramid's metadata 46 * 47 * @param[in] info Pyramid's metadata 48 */ 49 void init(const PyramidInfo &info); 50 51 /** Initialize pyramid data-object using the given Pyramid's metadata 52 * 53 * @note Uses conservative padding strategy which fits all kernels. 54 * 55 * @param[in] info Pyramid's metadata 56 */ 57 void init_auto_padding(const PyramidInfo &info); 58 59 /** Allocate the planes in the pyramid 60 * 61 * @note The pyramid must not already be allocated when calling this function. 62 * 63 **/ 64 void allocate(); 65 66 // Inherited method overridden 67 const PyramidInfo *info() const override; 68 CLTensor *get_pyramid_level(size_t index) const override; 69 70 private: 71 /** Initialize pyramid data-object using the given Pyramid's metadata 72 * 73 * @param[in] info Pyramid's metadata 74 * @param[in] auto_padding Specifies whether the image in the pyramid use auto padding 75 */ 76 void internal_init(const PyramidInfo &info, bool auto_padding); 77 78 PyramidInfo _info; 79 mutable std::vector<CLTensor> _pyramid; 80 }; 81 } 82 #endif /*ARM_COMPUTE_CLPYRAMID_H */ 83