| /* |
| * Copyright (c) 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/cpu/kernels/scale/neon/list.h" |
| |
| namespace arm_compute |
| { |
| namespace |
| { |
| void qasymm8_neon_scale_bilinear(const ITensor *src, ITensor *dst, const ITensor *offsets, const ITensor *dx, const ITensor *dy, |
| BorderMode border_mode, PixelValue constant_border_value, float sampling_offset, |
| bool align_corners, const Window &window) |
| { |
| // Data layout is NHWC |
| // Compute the ratio between source height and destination height |
| const auto hr = scale_utils::calculate_resize_ratio(src->info()->dimension(2), dst->info()->dimension(2), align_corners); |
| Window win_off; |
| win_off.set(Window::DimX, Window::Dimension(0, 0, 0)); |
| win_off.set(Window::DimY, Window::Dimension(0, 0, 0)); |
| |
| // Don't increment in X and Y direction for the input tensor |
| // A pointer to the start of this plane is needed as base for the precomputed offsets |
| Window win_in(window); |
| win_in.set(1, Window::Dimension(0, 0, 0)); |
| win_in.set(2, Window::Dimension(0, 0, 0)); |
| |
| for(size_t d = Window::DimZ; d < offsets->info()->num_dimensions(); ++d) |
| { |
| win_off.set(d, Window::Dimension(0, 0, 0)); |
| } |
| |
| Iterator in(src, win_in); |
| Iterator out(dst, window); |
| |
| const int32_t in_dim_w = src->info()->dimension(1); |
| const int32_t in_dim_h = src->info()->dimension(2); |
| const int32_t stride_w = src->info()->strides_in_bytes()[1]; |
| const int32_t stride_h = src->info()->strides_in_bytes()[2]; |
| |
| const UniformQuantizationInfo iq_info = src->info()->quantization_info().uniform(); |
| const UniformQuantizationInfo oq_info = dst->info()->quantization_info().uniform(); |
| |
| if(border_mode == BorderMode::CONSTANT) |
| { |
| const uint8_t const_border_value = static_cast<uint8_t>(constant_border_value.get<uint8_t>()); |
| execute_window_loop(window, [&](const Coordinates & id) |
| { |
| const int32_t index_h = std::floor((id[2] + sampling_offset) * hr - sampling_offset); |
| const int32_t index_w = *(reinterpret_cast<const int32_t *>(offsets->ptr_to_element(Coordinates(id[1], id[2])))); |
| const auto dx_val = *(reinterpret_cast<const float *>(dx->ptr_to_element(Coordinates(id[1], id[2])))); |
| const auto dy_val = *(reinterpret_cast<const float *>(dy->ptr_to_element(Coordinates(id[1], id[2])))); |
| const auto pixel_row_ptr = reinterpret_cast<const uint8_t *>(in.ptr()); |
| |
| const auto a00 = (0 <= index_w && index_w < in_dim_w && 0 <= index_h && index_h < in_dim_h) ? |
| (*(pixel_row_ptr + index_w * stride_w + index_h * stride_h)) : |
| const_border_value; |
| const auto a01 = (-1 <= index_w && index_w + 1 < in_dim_w && 0 <= index_h && index_h < in_dim_h) ? |
| (*(pixel_row_ptr + (index_w + 1) * stride_w + index_h * stride_h)) : |
| const_border_value; |
| const auto a10 = (0 <= index_w && index_w < in_dim_w && -1 <= index_h && index_h < in_dim_h - 1) ? |
| (*(pixel_row_ptr + index_w * stride_w + (index_h + 1) * stride_h)) : |
| const_border_value; |
| const auto a11 = (-1 <= index_w && index_w < in_dim_w - 1 && -1 <= index_h && index_h < in_dim_h - 1) ? |
| (*(pixel_row_ptr + (index_w + 1) * stride_w + (index_h + 1) * stride_h)) : |
| const_border_value; |
| |
| const float inp00 = Qasymm8QuantizationHelper<uint8_t>::dequantize(a00, iq_info); |
| const float inp01 = Qasymm8QuantizationHelper<uint8_t>::dequantize(a01, iq_info); |
| const float inp10 = Qasymm8QuantizationHelper<uint8_t>::dequantize(a10, iq_info); |
| const float inp11 = Qasymm8QuantizationHelper<uint8_t>::dequantize(a11, iq_info); |
| *reinterpret_cast<uint8_t *>(out.ptr()) = Qasymm8QuantizationHelper<uint8_t>::quantize(scale_helpers::delta_bilinear(inp00, inp01, inp10, inp11, dx_val, dy_val), oq_info); |
| }, |
| in, out); |
| } |
| else if(border_mode == BorderMode::REPLICATE) |
| { |
| execute_window_loop(window, [&](const Coordinates & id) |
| { |
| const int index_h = std::floor((id[2] + sampling_offset) * hr - sampling_offset); |
| const int32_t index_w = *(reinterpret_cast<const int32_t *>(offsets->ptr_to_element(Coordinates(id[1], id[2])))); |
| const auto dx_val = *(reinterpret_cast<const float *>(dx->ptr_to_element(Coordinates(id[1], id[2])))); |
| const auto dy_val = *(reinterpret_cast<const float *>(dy->ptr_to_element(Coordinates(id[1], id[2])))); |
| const auto pixel_row_ptr = reinterpret_cast<const uint8_t *>(in.ptr()); |
| |
| auto clamped_w = utility::clamp<int>(index_w, 0, in_dim_w - 1); |
| auto clamped_w1 = utility::clamp<int>(index_w + 1, 0, in_dim_w - 1); |
| auto clamped_h = utility::clamp<int>(index_h, 0, in_dim_h - 1); |
| auto clamped_h1 = utility::clamp<int>(index_h + 1, 0, in_dim_h - 1); |
| |
| const auto a00 = *(pixel_row_ptr + clamped_w * stride_w + clamped_h * stride_h); |
| const auto a01 = *(pixel_row_ptr + clamped_w1 * stride_w + clamped_h * stride_h); |
| const auto a10 = *(pixel_row_ptr + clamped_w * stride_w + clamped_h1 * stride_h); |
| const auto a11 = *(pixel_row_ptr + clamped_w1 * stride_w + clamped_h1 * stride_h); |
| |
| const float inp00 = Qasymm8QuantizationHelper<uint8_t>::dequantize(a00, iq_info); |
| const float inp01 = Qasymm8QuantizationHelper<uint8_t>::dequantize(a01, iq_info); |
| const float inp10 = Qasymm8QuantizationHelper<uint8_t>::dequantize(a10, iq_info); |
| const float inp11 = Qasymm8QuantizationHelper<uint8_t>::dequantize(a11, iq_info); |
| *reinterpret_cast<uint8_t *>(out.ptr()) = Qasymm8QuantizationHelper<uint8_t>::quantize(scale_helpers::delta_bilinear(inp00, inp01, inp10, inp11, dx_val, dy_val), oq_info); |
| }, |
| in, out); |
| } |
| else |
| { |
| ARM_COMPUTE_ERROR("Not implemented"); |
| } |
| } |
| } |
| namespace cpu |
| { |
| void qasymm8_neon_scale(const ITensor *src, ITensor *dst, const ITensor *offsets, const ITensor *dx, const ITensor *dy, |
| InterpolationPolicy policy, BorderMode border_mode, PixelValue constant_border_value, float sampling_offset, |
| bool align_corners, const Window &window) |
| { |
| if(policy == InterpolationPolicy::BILINEAR) |
| { |
| qasymm8_neon_scale_bilinear(src, dst, offsets, dx, dy, border_mode, constant_border_value, sampling_offset, align_corners, window); |
| } |
| else if(policy == InterpolationPolicy::NEAREST_NEIGHBOR) |
| { |
| nearest_neon_scale<uint8_t>(src, dst, offsets, sampling_offset, align_corners, window); |
| } |
| } |
| } // namespace cpu |
| } // namespace arm_compute |