| /* |
| * Copyright (c) 2017-2019 ARM Limited. |
| * |
| * SPDX-License-Identifier: MIT |
| * |
| * Permission is hereby granted, free of charge, to any person obtaining a copy |
| * of this software and associated documentation files (the "Software"), to |
| * deal in the Software without restriction, including without limitation the |
| * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or |
| * sell copies of the Software, and to permit persons to whom the Software is |
| * furnished to do so, subject to the following conditions: |
| * |
| * The above copyright notice and this permission notice shall be included in all |
| * copies or substantial portions of the Software. |
| * |
| * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
| * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
| * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
| * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE |
| * SOFTWARE. |
| */ |
| #ifndef ARM_COMPUTE_TEST_CL_CLLUTACCESSOR_H |
| #define ARM_COMPUTE_TEST_CL_CLLUTACCESSOR_H |
| |
| #include "tests/ILutAccessor.h" |
| |
| #include "arm_compute/runtime/CL/CLLut.h" |
| |
| namespace arm_compute |
| { |
| namespace test |
| { |
| /** Accessor implementation for @ref CLLut objects. */ |
| template <typename T> |
| class CLLutAccessor : public ILutAccessor<T> |
| { |
| public: |
| /** Create an accessor for the given @p CLLut. |
| */ |
| CLLutAccessor(CLLut &lut) |
| : _lut{ lut } |
| { |
| _lut.map(true); |
| } |
| /** Default destructor */ |
| ~CLLutAccessor() |
| { |
| _lut.unmap(); |
| } |
| |
| /** Prevent instances of this class from being copy constructed */ |
| CLLutAccessor(const CLLutAccessor &) = delete; |
| /** Prevent instances of this class from being copied */ |
| CLLutAccessor &operator=(const CLLutAccessor &) = delete; |
| /** Allow instances of this class to be move constructed */ |
| CLLutAccessor(CLLutAccessor &&) = default; |
| /** Allow instance of this class to be moved */ |
| CLLutAccessor &operator=(CLLutAccessor &&) = default; |
| |
| int num_elements() const override |
| { |
| return _lut.num_elements(); |
| } |
| |
| const T &operator[](T input_value) const override |
| { |
| auto lut = reinterpret_cast<T *>(_lut.buffer()); |
| int32_t real_index = _lut.index_offset() + static_cast<int32_t>(input_value); |
| |
| if(0 <= real_index && real_index < num_elements()) |
| { |
| return lut[real_index]; |
| } |
| ARM_COMPUTE_ERROR("Error index not in range."); |
| } |
| |
| T &operator[](T input_value) override |
| { |
| auto lut = reinterpret_cast<T *>(_lut.buffer()); |
| int32_t real_index = _lut.index_offset() + static_cast<int32_t>(input_value); |
| |
| if(0 <= real_index && real_index < num_elements()) |
| { |
| return lut[real_index]; |
| } |
| ARM_COMPUTE_ERROR("Error index not in range."); |
| } |
| |
| private: |
| CLLut &_lut; |
| }; |
| } // namespace test |
| } // namespace arm_compute |
| #endif /* ARM_COMPUTE_TEST_CL_CLLUTACCESSOR_H */ |