| /* |
| * Copyright (c) 2017-2021 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/CLRemapKernel.h" |
| |
| #include "arm_compute/core/CL/CLHelpers.h" |
| #include "arm_compute/core/CL/CLKernelLibrary.h" |
| #include "arm_compute/core/CL/ICLTensor.h" |
| #include "arm_compute/core/Helpers.h" |
| #include "arm_compute/core/TensorInfo.h" |
| #include "arm_compute/core/Validate.h" |
| #include "src/core/AccessWindowStatic.h" |
| #include "src/core/helpers/WindowHelpers.h" |
| |
| namespace arm_compute |
| { |
| CLRemapKernel::CLRemapKernel() |
| : _input(nullptr), _output(nullptr), _map_x(nullptr), _map_y(nullptr), _data_layout(DataLayout::NCHW) |
| { |
| _type = CLKernelType::ELEMENTWISE; |
| } |
| |
| BorderSize CLRemapKernel::border_size() const |
| { |
| return _data_layout == DataLayout::NCHW ? BorderSize(1) : BorderSize(0); |
| } |
| |
| template <class T> |
| void CLRemapKernel::set_constant_border(unsigned int idx, const PixelValue &constant_border_value) |
| { |
| T value; |
| constant_border_value.get(value); |
| ICLKernel::add_argument<T>(idx, static_cast<T>(value)); |
| } |
| |
| Status CLRemapKernel::validate(const ITensorInfo *input, const ITensorInfo *map_x, const ITensorInfo *map_y, const ITensorInfo *output, RemapInfo info) |
| { |
| ARM_COMPUTE_RETURN_ERROR_ON_NULLPTR(input, map_x, map_y, output); |
| if(input->data_layout() == DataLayout::NCHW) |
| { |
| ARM_COMPUTE_RETURN_ERROR_ON_DATA_TYPE_CHANNEL_NOT_IN(input, 1, DataType::U8); |
| } |
| else |
| { |
| ARM_COMPUTE_RETURN_ERROR_ON_DATA_TYPE_CHANNEL_NOT_IN(input, 1, DataType::U8, DataType::F16); |
| } |
| ARM_COMPUTE_RETURN_ERROR_ON_MSG(input->data_type() != output->data_type(), "Input/output have different data types"); |
| ARM_COMPUTE_RETURN_ERROR_ON_DATA_TYPE_CHANNEL_NOT_IN(map_x, 1, DataType::F32); |
| ARM_COMPUTE_RETURN_ERROR_ON_DATA_TYPE_CHANNEL_NOT_IN(map_y, 1, DataType::F32); |
| ARM_COMPUTE_RETURN_ERROR_ON_MSG(info.policy == InterpolationPolicy::AREA, "Area interpolation is not supported!"); |
| ARM_COMPUTE_RETURN_ERROR_ON_MSG(info.border_mode != BorderMode::CONSTANT && info.border_mode != BorderMode::UNDEFINED, "Border mode not supported"); |
| return Status{}; |
| } |
| |
| void CLRemapKernel::configure(const CLCompileContext &compile_context, const ICLTensor *input, const ICLTensor *map_x, const ICLTensor *map_y, ICLTensor *output, RemapInfo info) |
| { |
| ARM_COMPUTE_ERROR_ON_NULLPTR(input, map_x, map_y, output); |
| ARM_COMPUTE_ERROR_THROW_ON(CLRemapKernel::validate(input->info(), map_x->info(), map_y->info(), output->info(), info)); |
| |
| _input = input; |
| _output = output; |
| _map_x = map_x; |
| _map_y = map_y; |
| _data_layout = input->info()->data_layout(); |
| |
| const bool is_nhwc = _data_layout == DataLayout::NHWC; |
| const bool is_constant_border = info.border_mode == BorderMode::CONSTANT; |
| |
| // Create kernel |
| CLBuildOptions build_opts; |
| build_opts.add_option(("-DDATA_TYPE=" + get_cl_type_from_data_type(input->info()->data_type()))); |
| build_opts.add_option_if(is_nhwc, "-DDEPTH_OUT=" + support::cpp11::to_string(output->info()->dimension(2))); |
| build_opts.add_option_if(is_constant_border, "-DCONSTANT_BORDER"); |
| |
| const std::string interpolation_name = lower_string(string_from_interpolation_policy(info.policy)); |
| const std::string kernel_name = "remap_" + interpolation_name + "_" + lower_string(string_from_data_layout(_data_layout)); |
| _kernel = create_kernel(compile_context, kernel_name, build_opts.options()); |
| |
| const unsigned int num_elems_processed_per_iteration = is_nhwc ? 1 : 4; |
| const int idx_height = get_data_layout_dimension_index(_data_layout, DataLayoutDimension::HEIGHT); |
| const int idx_width = get_data_layout_dimension_index(_data_layout, DataLayoutDimension::WIDTH); |
| const int input_height = input->info()->dimension(idx_height); |
| const int input_width = input->info()->dimension(idx_width); |
| |
| // Configure window |
| Window win = calculate_max_window(*_output->info(), Steps(num_elems_processed_per_iteration)); |
| |
| // Update padding in NCHW case |
| if(_data_layout == DataLayout::NCHW) |
| { |
| const int total_right = ceil_to_multiple(input_width, num_elems_processed_per_iteration); |
| const int access_right = total_right + (((total_right - input_width) == 0) ? border_size().right : 0); |
| AccessWindowStatic input_access(input->info(), -border_size().left, -border_size().top, access_right, input_height + border_size().bottom); |
| |
| AccessWindowHorizontal output_access(output->info(), 0, num_elems_processed_per_iteration); |
| |
| update_window_and_padding(win, input_access, output_access); |
| } |
| |
| ICLKernel::configure_internal(win); |
| |
| // Set static arguments |
| unsigned int idx = 4 * (is_nhwc ? num_arguments_per_4D_tensor() : num_arguments_per_2D_tensor()); |
| _kernel.setArg<cl_float>(idx++, input_width); |
| _kernel.setArg<cl_float>(idx++, input_height); |
| if(is_nhwc && is_constant_border) |
| { |
| switch(input->info()->data_type()) |
| { |
| case DataType::U8: |
| set_constant_border<uint8_t>(idx, info.constant_border_value); |
| break; |
| case DataType::F16: |
| static_assert(sizeof(cl_half) == sizeof(half), "Half must be same size as cl_half"); |
| static_assert(sizeof(cl_half) == 2, "Half must be 16 bit"); |
| set_constant_border<half>(idx, info.constant_border_value); |
| break; |
| default: |
| ARM_COMPUTE_ERROR("Data Type not handled"); |
| } |
| } |
| } |
| |
| void CLRemapKernel::run(const Window &window, cl::CommandQueue &queue) |
| { |
| ARM_COMPUTE_ERROR_ON_UNCONFIGURED_KERNEL(this); |
| ARM_COMPUTE_ERROR_ON_INVALID_SUBWINDOW(ICLKernel::window(), window); |
| switch(_data_layout) |
| { |
| case DataLayout::NCHW: |
| { |
| Window slice = window.first_slice_window_2D(); |
| do |
| { |
| unsigned int idx = 0; |
| add_2D_tensor_argument(idx, _input, slice); |
| add_2D_tensor_argument(idx, _output, slice); |
| add_2D_tensor_argument(idx, _map_x, slice); |
| add_2D_tensor_argument(idx, _map_y, slice); |
| enqueue(queue, *this, slice, lws_hint()); |
| |
| } |
| while(window.slide_window_slice_2D(slice)); |
| break; |
| } |
| case DataLayout::NHWC: |
| { |
| Window collapsed = window.collapse(ICLKernel::window(), Window::DimZ); |
| Window slice = collapsed.first_slice_window_4D(); |
| |
| unsigned int idx = 0; |
| add_4D_tensor_argument(idx, _input, slice); |
| add_4D_tensor_argument(idx, _output, slice); |
| add_4D_tensor_argument(idx, _map_x, slice); |
| add_4D_tensor_argument(idx, _map_y, slice); |
| enqueue(queue, *this, slice, lws_hint()); |
| break; |
| } |
| default: |
| ARM_COMPUTE_ERROR("Invalid Data layout"); |
| } |
| } |
| } // namespace arm_compute |