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_TEST_CLARRAYACCESSOR_H 25 #define ARM_COMPUTE_TEST_CLARRAYACCESSOR_H 26 27 #include "arm_compute/runtime/CL/CLArray.h" 28 #include "tests/IArrayAccessor.h" 29 30 namespace arm_compute 31 { 32 namespace test 33 { 34 /** Accessor implementation for @ref CLArray objects. */ 35 template <typename T> 36 class CLArrayAccessor : public IArrayAccessor<T> 37 { 38 public: 39 /** Create an accessor for the given @p array. 40 * 41 * @param[in, out] array To be accessed array. 42 * 43 * @note The CL memory is mapped by the constructor. 44 * 45 */ CLArrayAccessor(CLArray<T> & array)46 CLArrayAccessor(CLArray<T> &array) 47 : _array{ array } 48 { 49 _array.map(); 50 } 51 52 /** Prevent instances of this class from being copy constructed */ 53 CLArrayAccessor(const CLArrayAccessor &) = delete; 54 /** Prevent instances of this class from being copied */ 55 CLArrayAccessor &operator=(const CLArrayAccessor &) = delete; 56 /** Allow instances of this class to be move constructed */ 57 CLArrayAccessor(CLArrayAccessor &&) = default; 58 /** Allow instances of this class to be moved */ 59 CLArrayAccessor &operator=(CLArrayAccessor &&) = default; 60 61 /** Destructor that unmaps the CL memory. */ ~CLArrayAccessor()62 ~CLArrayAccessor() 63 { 64 _array.unmap(); 65 } 66 num_values()67 size_t num_values() const override 68 { 69 return _array.num_values(); 70 } 71 buffer()72 T *buffer() override 73 { 74 return _array.buffer(); 75 } 76 resize(size_t num)77 void resize(size_t num) override 78 { 79 _array.resize(num); 80 } 81 at(size_t index)82 T &at(size_t index) const override 83 { 84 ARM_COMPUTE_ERROR_ON(_array.buffer() == nullptr); 85 ARM_COMPUTE_ERROR_ON(index >= num_values()); 86 return _array.buffer()[index]; 87 } 88 89 private: 90 CLArray<T> &_array; 91 }; 92 } // namespace test 93 } // namespace arm_compute 94 #endif /* ARM_COMPUTE_TEST_CLARRAYACCESSOR_H */ 95