1 /* 2 * Copyright (c) 2017-2019 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_CLHOG_H 25 #define ARM_COMPUTE_CLHOG_H 26 27 #include "arm_compute/core/CL/ICLHOG.h" 28 #include "arm_compute/core/CL/OpenCL.h" 29 #include "arm_compute/core/HOGInfo.h" 30 #include "arm_compute/core/Types.h" 31 32 #include <cstdint> 33 34 namespace arm_compute 35 { 36 /** OpenCL implementation of HOG data-object */ 37 class CLHOG : public ICLHOG 38 { 39 public: 40 /** Default constructor */ 41 CLHOG(); 42 /** Allocate the HOG descriptor using the given HOG's metadata 43 * 44 * @param[in] input HOG's metadata used to allocate the HOG descriptor 45 */ 46 void init(const HOGInfo &input); 47 48 /** Enqueue a map operation of the allocated buffer. 49 * 50 * @param[in] blocking If true, then the mapping will be ready to use by the time 51 * this method returns, else it is the caller's responsibility 52 * to flush the queue and wait for the mapping operation to have completed. 53 */ 54 void map(bool blocking = true); 55 using ICLHOG::map; 56 57 /** Enqueue an unmap operation of the allocated and mapped buffer. 58 * 59 * @note This method simply enqueues the unmap operation, it is the caller's responsibility to flush the queue and make sure the unmap is finished before 60 * the memory is accessed by the device. 61 */ 62 void unmap(); 63 using ICLHOG::unmap; 64 65 // Inherited method overridden: 66 void free() override; 67 const HOGInfo *info() const override; 68 const cl::Buffer &cl_buffer() const override; 69 70 protected: 71 // Inherited methods overridden: 72 uint8_t *do_map(cl::CommandQueue &q, bool blocking) override; 73 void do_unmap(cl::CommandQueue &q) override; 74 75 private: 76 HOGInfo _info; 77 cl::Buffer _buffer; 78 }; 79 } 80 #endif /* ARM_COMPUTE_CLHOG_H */ 81