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Diffstat (limited to 'src/core/NEON/kernels/NEIntegralImageKernel.cpp')
| -rw-r--r-- | src/core/NEON/kernels/NEIntegralImageKernel.cpp | 142 |
1 files changed, 0 insertions, 142 deletions
diff --git a/src/core/NEON/kernels/NEIntegralImageKernel.cpp b/src/core/NEON/kernels/NEIntegralImageKernel.cpp deleted file mode 100644 index b6db5f0e6a..0000000000 --- a/src/core/NEON/kernels/NEIntegralImageKernel.cpp +++ /dev/null @@ -1,142 +0,0 @@ -/* - * Copyright (c) 2016-2019 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. - */ -#include "arm_compute/core/NEON/kernels/NEIntegralImageKernel.h" - -#include "arm_compute/core/Coordinates.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 <arm_neon.h> -#include <cstddef> -#include <cstdint> - -using namespace arm_compute; - -void NEIntegralImageKernel::configure(const ITensor *input, ITensor *output) -{ - ARM_COMPUTE_ERROR_ON_DATA_TYPE_CHANNEL_NOT_IN(input, 1, DataType::U8); - ARM_COMPUTE_ERROR_ON_DATA_TYPE_CHANNEL_NOT_IN(output, 1, DataType::U32); - - _input = input; - _output = output; - - constexpr unsigned int num_elems_processed_per_iteration = 16; - - // Configure kernel window - Window win = calculate_max_window(*input->info(), Steps(num_elems_processed_per_iteration)); - // The kernel is effectively reading 17 values from -1 as it loads 16 - // starting at -1 and also 16 starting at 0 - AccessWindowRectangle output_read_access(output->info(), -1, -1, num_elems_processed_per_iteration + 1, 1); - AccessWindowHorizontal output_write_access(output->info(), 0, num_elems_processed_per_iteration); - - update_window_and_padding(win, - AccessWindowHorizontal(input->info(), 0, num_elems_processed_per_iteration), - output_read_access, output_write_access); - - output_write_access.set_valid_region(win, input->info()->valid_region()); - - IKernel::configure(win); -} - -BorderSize NEIntegralImageKernel::border_size() const -{ - return BorderSize{ 1, 0, 0, 1 }; -} - -bool NEIntegralImageKernel::is_parallelisable() const -{ - return false; -} - -void NEIntegralImageKernel::run(const Window &window, const ThreadInfo &info) -{ - ARM_COMPUTE_UNUSED(info); - ARM_COMPUTE_ERROR_ON_UNCONFIGURED_KERNEL(this); - ARM_COMPUTE_ERROR_ON_INVALID_SUBWINDOW(INESimpleKernel::window(), window); - - Iterator input(_input, window); - Iterator output(_output, window); - - const auto output_top_left = reinterpret_cast<const uint32_t *>(_output->ptr_to_element(Coordinates(-1, -1))); - const auto output_top_mid = reinterpret_cast<const uint32_t *>(_output->ptr_to_element(Coordinates(0, -1))); - - execute_window_loop(window, [&](const Coordinates &) - { - const uint8x16_t input_pixels = vld1q_u8(input.ptr()); - - const uint16x8x2_t tmp = - { - { - vmovl_u8(vget_low_u8(input_pixels)), - vmovl_u8(vget_high_u8(input_pixels)) - } - }; - - uint32x4x4_t pixels = - { - { - vmovl_u16(vget_low_u16(tmp.val[0])), - vmovl_u16(vget_high_u16(tmp.val[0])), - vmovl_u16(vget_low_u16(tmp.val[1])), - vmovl_u16(vget_high_u16(tmp.val[1])) - } - }; - - // Divide by four as pointer is now uint32 instead of uint8! - const size_t off = output.offset() / 4; - - // Add top mid pixel values - const uint32_t *const top_mid_ptr = output_top_mid + off; - - pixels.val[0] = vaddq_u32(vld1q_u32(top_mid_ptr), pixels.val[0]); - pixels.val[1] = vaddq_u32(vld1q_u32(top_mid_ptr + 4), pixels.val[1]); - pixels.val[2] = vaddq_u32(vld1q_u32(top_mid_ptr + 8), pixels.val[2]); - pixels.val[3] = vaddq_u32(vld1q_u32(top_mid_ptr + 12), pixels.val[3]); - - // Subtract top left diagonal values - const auto outptr = reinterpret_cast<uint32_t *>(output.ptr()); - const uint32_t *const top_left_ptr = output_top_left + off; - - pixels.val[0] = vsubq_u32(pixels.val[0], vld1q_u32(top_left_ptr)); - vst1q_u32(outptr, pixels.val[0]); - - pixels.val[1] = vsubq_u32(pixels.val[1], vld1q_u32(top_left_ptr + 4)); - vst1q_u32(outptr + 4, pixels.val[1]); - - pixels.val[2] = vsubq_u32(pixels.val[2], vld1q_u32(top_left_ptr + 8)); - vst1q_u32(outptr + 8, pixels.val[2]); - - pixels.val[3] = vsubq_u32(pixels.val[3], vld1q_u32(top_left_ptr + 12)); - vst1q_u32(outptr + 12, pixels.val[3]); - - // Perform prefix summation - for(auto i = 0; i < 16; ++i) - { - outptr[i] += outptr[i - 1]; - } - }, - input, output); -} |