| /* |
| * Copyright (c) 2016-2020 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. |
| */ |
| #include "src/core/CL/kernels/CLTableLookupKernel.h" |
| |
| #include "arm_compute/core/CL/CLKernelLibrary.h" |
| #include "arm_compute/core/CL/ICLLut.h" |
| #include "arm_compute/core/CL/ICLTensor.h" |
| #include "arm_compute/core/CL/OpenCL.h" |
| #include "arm_compute/core/Error.h" |
| #include "arm_compute/core/Types.h" |
| #include "arm_compute/core/Validate.h" |
| |
| #include <cstdint> |
| #include <string> |
| |
| using namespace arm_compute; |
| |
| void CLTableLookupKernel::configure(const ICLTensor *input, const ICLLut *lut, ICLTensor *output) |
| { |
| configure(CLKernelLibrary::get().get_compile_context(), input, lut, output); |
| } |
| |
| void CLTableLookupKernel::configure(const CLCompileContext &compile_context, const ICLTensor *input, const ICLLut *lut, ICLTensor *output) |
| { |
| ARM_COMPUTE_ERROR_ON_DATA_TYPE_CHANNEL_NOT_IN(input, 1, DataType::U8, DataType::S16); |
| ARM_COMPUTE_ERROR_ON_DATA_TYPE_CHANNEL_NOT_IN(output, 1, DataType::U8, DataType::S16); |
| ARM_COMPUTE_ERROR_ON(lut == nullptr); |
| ARM_COMPUTE_ERROR_ON(DataType::U8 != lut->type() && DataType::S16 != lut->type()); |
| ARM_COMPUTE_ERROR_ON_MISMATCHING_DATA_TYPES(input, output); |
| |
| // Create kernel |
| std::string kernel_name = (DataType::S16 == lut->type()) ? "tablelookup_S16" : "tablelookup_U8"; |
| _kernel = create_kernel(compile_context, kernel_name); |
| |
| // Set lut argument |
| unsigned int idx = 2 * num_arguments_per_2D_tensor(); //Skip the input and output parameters |
| _kernel.setArg(idx++, lut->cl_buffer()); |
| if(DataType::S16 == lut->type()) |
| { |
| _kernel.setArg(idx++, lut->index_offset()); |
| _kernel.setArg(idx++, static_cast<uint32_t>(lut->num_elements())); |
| } |
| |
| // Configure kernel |
| constexpr unsigned int num_elems_processed_per_iteration = 8; |
| ICLSimple2DKernel::configure(input, output, num_elems_processed_per_iteration); |
| } |