Anthony Barbier | 6ff3b19 | 2017-09-04 18:44:23 +0100 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (c) 2016, 2017 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 | #include "arm_compute/core/CL/kernels/CLThresholdKernel.h" |
| 25 | |
| 26 | #include "arm_compute/core/CL/CLKernelLibrary.h" |
| 27 | #include "arm_compute/core/CL/ICLTensor.h" |
| 28 | #include "arm_compute/core/CL/OpenCL.h" |
| 29 | #include "arm_compute/core/Helpers.h" |
| 30 | #include "arm_compute/core/Validate.h" |
| 31 | #include "arm_compute/core/Window.h" |
| 32 | |
| 33 | #include <string> |
| 34 | |
| 35 | using namespace arm_compute; |
| 36 | |
| 37 | void CLThresholdKernel::configure(const ICLTensor *input, ICLTensor *output, uint8_t threshold, |
| 38 | uint8_t false_value, uint8_t true_value, ThresholdType type, uint8_t upper) |
| 39 | { |
| 40 | ARM_COMPUTE_ERROR_ON_DATA_TYPE_CHANNEL_NOT_IN(input, 1, DataType::U8); |
| 41 | ARM_COMPUTE_ERROR_ON_DATA_TYPE_CHANNEL_NOT_IN(output, 1, DataType::U8); |
| 42 | |
| 43 | // Construct kernel name |
| 44 | std::string kernel_name = "threshold"; |
| 45 | |
| 46 | switch(type) |
| 47 | { |
| 48 | case ThresholdType::BINARY: |
| 49 | kernel_name += "_binary"; |
| 50 | break; |
| 51 | case ThresholdType::RANGE: |
| 52 | kernel_name += "_range"; |
| 53 | break; |
| 54 | default: |
| 55 | ARM_COMPUTE_ERROR("Thresholding type not recognized"); |
| 56 | break; |
| 57 | } |
| 58 | |
| 59 | // Create kernel |
| 60 | _kernel = static_cast<cl::Kernel>(CLKernelLibrary::get().create_kernel(kernel_name)); |
| 61 | |
| 62 | // Set arguments |
| 63 | unsigned int idx = 2 * num_arguments_per_2D_tensor(); //Skip the input and output parameters |
| 64 | _kernel.setArg(idx++, false_value); |
| 65 | _kernel.setArg(idx++, true_value); |
| 66 | _kernel.setArg(idx++, threshold); |
| 67 | |
| 68 | if(ThresholdType::RANGE == type) |
| 69 | { |
| 70 | _kernel.setArg(idx++, upper); |
| 71 | } |
| 72 | |
| 73 | // Make sure _kernel is initialized before calling the parent's configure |
| 74 | constexpr unsigned int num_elems_processed_per_iteration = 16; |
| 75 | ICLSimple2DKernel::configure(input, output, num_elems_processed_per_iteration); |
| 76 | } |