diff options
Diffstat (limited to 'src/core/NEON/kernels/NESobel3x3Kernel.cpp')
| -rw-r--r-- | src/core/NEON/kernels/NESobel3x3Kernel.cpp | 272 |
1 files changed, 0 insertions, 272 deletions
diff --git a/src/core/NEON/kernels/NESobel3x3Kernel.cpp b/src/core/NEON/kernels/NESobel3x3Kernel.cpp deleted file mode 100644 index ecf6b59c29..0000000000 --- a/src/core/NEON/kernels/NESobel3x3Kernel.cpp +++ /dev/null @@ -1,272 +0,0 @@ -/* - * 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/NEON/kernels/NESobel3x3Kernel.h" - -#include "arm_compute/core/Coordinates.h" -#include "arm_compute/core/Error.h" -#include "arm_compute/core/Helpers.h" -#include "arm_compute/core/ITensor.h" -#include "arm_compute/core/Types.h" -#include "arm_compute/core/Validate.h" -#include "src/core/helpers/AutoConfiguration.h" -#include "src/core/helpers/WindowHelpers.h" - -#include <arm_neon.h> -#include <cstdint> - -using namespace arm_compute; - -NESobel3x3Kernel::NESobel3x3Kernel() - : _run_sobel_x(false), _run_sobel_y(false), _input(nullptr), _output_x(nullptr), _output_y(nullptr) -{ -} - -BorderSize NESobel3x3Kernel::border_size() const -{ - return BorderSize{ 1 }; -} - -void NESobel3x3Kernel::configure(const ITensor *input, ITensor *output_x, ITensor *output_y, bool border_undefined) -{ - ARM_COMPUTE_ERROR_ON_DATA_TYPE_CHANNEL_NOT_IN(input, 1, DataType::U8); - ARM_COMPUTE_ERROR_ON((output_x == nullptr) && (output_y == nullptr)); - - _run_sobel_x = output_x != nullptr; - _run_sobel_y = output_y != nullptr; - - if(_run_sobel_x) - { - ARM_COMPUTE_ERROR_ON_DATA_TYPE_CHANNEL_NOT_IN(output_x, 1, DataType::S16); - } - - if(_run_sobel_y) - { - ARM_COMPUTE_ERROR_ON_DATA_TYPE_CHANNEL_NOT_IN(output_y, 1, DataType::S16); - } - - _input = input; - _output_x = output_x; - _output_y = output_y; - - // Configure kernel window - constexpr unsigned int num_elems_processed_per_iteration = 8; - constexpr unsigned int num_elems_read_per_iteration = 16; - constexpr unsigned int num_elems_written_per_iteration = 8; - constexpr unsigned int num_rows_read_per_iteration = 3; - - Window win = calculate_max_window(*input->info(), Steps(num_elems_processed_per_iteration), border_undefined, border_size()); - AccessWindowHorizontal output_x_access(output_x == nullptr ? nullptr : output_x->info(), 0, num_elems_written_per_iteration); - AccessWindowHorizontal output_y_access(output_y == nullptr ? nullptr : output_y->info(), 0, num_elems_written_per_iteration); - - update_window_and_padding(win, - AccessWindowRectangle(input->info(), -border_size().left, -border_size().top, num_elems_read_per_iteration, num_rows_read_per_iteration), - output_x_access, - output_y_access); - - output_x_access.set_valid_region(win, input->info()->valid_region(), border_undefined, border_size()); - output_y_access.set_valid_region(win, input->info()->valid_region(), border_undefined, border_size()); - - INEKernel::configure(win); -} - -void NESobel3x3Kernel::run(const Window &window, const ThreadInfo &info) -{ - ARM_COMPUTE_UNUSED(info); - ARM_COMPUTE_ERROR_ON_UNCONFIGURED_KERNEL(this); - ARM_COMPUTE_ERROR_ON_INVALID_SUBWINDOW(INEKernel::window(), window); - - const unsigned char *const input_top_ptr = _input->ptr_to_element(Coordinates(-1, -1)); - const unsigned char *const input_mid_ptr = _input->ptr_to_element(Coordinates(-1, 0)); - const unsigned char *const input_bot_ptr = _input->ptr_to_element(Coordinates(-1, 1)); - - Iterator input(_input, window); - Iterator output_y; - Iterator output_x; - - if(_run_sobel_y) - { - output_y = Iterator(_output_y, window); - } - - if(_run_sobel_x) - { - output_x = Iterator(_output_x, window); - } - - static const int16x8_t two = vdupq_n_s16(2); - static const int16x8_t minustwo = vdupq_n_s16(-2); - - if(_run_sobel_y && _run_sobel_x) - { - execute_window_loop(window, [&](const Coordinates &) - { - const uint8x16_t top_data = vld1q_u8(input_top_ptr + input.offset()); - const uint8x16_t mid_data = vld1q_u8(input_mid_ptr + input.offset()); - const uint8x16_t bot_data = vld1q_u8(input_bot_ptr + input.offset()); - - const int16x8x2_t top_s16 = - { - { - vreinterpretq_s16_u16(vmovl_u8(vget_low_u8(top_data))), - vreinterpretq_s16_u16(vmovl_u8(vget_high_u8(top_data))) - } - }; - const int16x8x2_t mid_s16 = - { - { - vreinterpretq_s16_u16(vmovl_u8(vget_low_u8(mid_data))), - vreinterpretq_s16_u16(vmovl_u8(vget_high_u8(mid_data))) - } - }; - const int16x8x2_t bot_s16 = - { - { - vreinterpretq_s16_u16(vmovl_u8(vget_low_u8(bot_data))), - vreinterpretq_s16_u16(vmovl_u8(vget_high_u8(bot_data))) - } - }; - - //SOBEL Y - //top left - int16x8_t out_y = vnegq_s16(top_s16.val[0]); - //top mid - out_y = vmlaq_s16(out_y, vextq_s16(top_s16.val[0], top_s16.val[1], 1), minustwo); - //top right - out_y = vsubq_s16(out_y, vextq_s16(top_s16.val[0], top_s16.val[1], 2)); - //bot left - out_y = vaddq_s16(out_y, bot_s16.val[0]); - //bot mid - out_y = vmlaq_s16(out_y, vextq_s16(bot_s16.val[0], bot_s16.val[1], 1), two); - //bot right - out_y = vaddq_s16(out_y, vextq_s16(bot_s16.val[0], bot_s16.val[1], 2)); - - vst1q_s16(reinterpret_cast<int16_t *>(output_y.ptr()), out_y); - - //SOBEL X - //top left - int16x8_t out_x = vnegq_s16(top_s16.val[0]); - //top right - out_x = vaddq_s16(out_x, vextq_s16(top_s16.val[0], top_s16.val[1], 2)); - //mid left - out_x = vmlaq_s16(out_x, mid_s16.val[0], minustwo); - //mid right - out_x = vmlaq_s16(out_x, vextq_s16(mid_s16.val[0], mid_s16.val[1], 2), two); - //bot left - out_x = vsubq_s16(out_x, bot_s16.val[0]); - //bot right - out_x = vaddq_s16(out_x, vextq_s16(bot_s16.val[0], bot_s16.val[1], 2)); - - vst1q_s16(reinterpret_cast<int16_t *>(output_x.ptr()), out_x); - }, - input, output_x, output_y); - } - else if(_run_sobel_x) - { - execute_window_loop(window, [&](const Coordinates &) - { - const uint8x16_t top_data = vld1q_u8(input_top_ptr + input.offset()); - const uint8x16_t mid_data = vld1q_u8(input_mid_ptr + input.offset()); - const uint8x16_t bot_data = vld1q_u8(input_bot_ptr + input.offset()); - - const int16x8x2_t top_s16 = - { - { - vreinterpretq_s16_u16(vmovl_u8(vget_low_u8(top_data))), - vreinterpretq_s16_u16(vmovl_u8(vget_high_u8(top_data))) - } - }; - const int16x8x2_t mid_s16 = - { - { - vreinterpretq_s16_u16(vmovl_u8(vget_low_u8(mid_data))), - vreinterpretq_s16_u16(vmovl_u8(vget_high_u8(mid_data))) - } - }; - const int16x8x2_t bot_s16 = - { - { - vreinterpretq_s16_u16(vmovl_u8(vget_low_u8(bot_data))), - vreinterpretq_s16_u16(vmovl_u8(vget_high_u8(bot_data))) - } - }; - - //SOBEL X - //top left - int16x8_t out = vnegq_s16(top_s16.val[0]); - //top right - out = vaddq_s16(out, vextq_s16(top_s16.val[0], top_s16.val[1], 2)); - //mid left - out = vmlaq_s16(out, mid_s16.val[0], minustwo); - //mid right - out = vmlaq_s16(out, vextq_s16(mid_s16.val[0], mid_s16.val[1], 2), two); - //bot left - out = vsubq_s16(out, bot_s16.val[0]); - //bot right - out = vaddq_s16(out, vextq_s16(bot_s16.val[0], bot_s16.val[1], 2)); - - vst1q_s16(reinterpret_cast<int16_t *>(output_x.ptr()), out); - }, - input, output_x); - } - else if(_run_sobel_y) - { - execute_window_loop(window, [&](const Coordinates &) - { - const uint8x16_t top_data = vld1q_u8(input_top_ptr + input.offset()); - const uint8x16_t bot_data = vld1q_u8(input_bot_ptr + input.offset()); - - const int16x8x2_t top_s16 = - { - { - vreinterpretq_s16_u16(vmovl_u8(vget_low_u8(top_data))), - vreinterpretq_s16_u16(vmovl_u8(vget_high_u8(top_data))) - } - }; - const int16x8x2_t bot_s16 = - { - { - vreinterpretq_s16_u16(vmovl_u8(vget_low_u8(bot_data))), - vreinterpretq_s16_u16(vmovl_u8(vget_high_u8(bot_data))) - } - }; - - //SOBEL Y - //top left - int16x8_t out = vnegq_s16(top_s16.val[0]); - //top mid - out = vmlaq_s16(out, vextq_s16(top_s16.val[0], top_s16.val[1], 1), minustwo); - //top right - out = vsubq_s16(out, vextq_s16(top_s16.val[0], top_s16.val[1], 2)); - //bot left - out = vaddq_s16(out, bot_s16.val[0]); - //bot mid - out = vmlaq_s16(out, vextq_s16(bot_s16.val[0], bot_s16.val[1], 1), two); - //bot right - out = vaddq_s16(out, vextq_s16(bot_s16.val[0], bot_s16.val[1], 2)); - - vst1q_s16(reinterpret_cast<int16_t *>(output_y.ptr()), out); - }, - input, output_y); - } -} |