| /* |
| * Copyright (c) 2016, 2017 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/NEDepthConvertKernel.h" |
| |
| #include "arm_compute/core/Error.h" |
| #include "arm_compute/core/Helpers.h" |
| #include "arm_compute/core/ITensor.h" |
| #include "arm_compute/core/NEON/NEFixedPoint.h" |
| #include "arm_compute/core/TensorInfo.h" |
| #include "arm_compute/core/Validate.h" |
| |
| #include <arm_neon.h> |
| |
| using namespace arm_compute; |
| |
| namespace arm_compute |
| { |
| class Coordinates; |
| } // namespace arm_compute |
| |
| NEDepthConvertKernel::NEDepthConvertKernel() |
| : _input(nullptr), _output(nullptr), _policy(), _shift(0), _fixed_point_position_input(0), _fixed_point_position_output(0) |
| { |
| } |
| |
| void NEDepthConvertKernel::configure(ITensor *input, ITensor *output, ConvertPolicy policy, uint32_t shift) |
| { |
| ARM_COMPUTE_ERROR_ON_DATA_TYPE_CHANNEL_NOT_IN(input, 1, DataType::U8, DataType::QS8, DataType::S16, DataType::U16, DataType::QS16, DataType::F32); |
| |
| _input = input; |
| _output = input; |
| _policy = policy; |
| _shift = shift; |
| |
| if(output != nullptr) |
| { |
| // Auto initialize output shape if not initialized (We can only auto-configure the shape, datatype must be given) |
| set_shape_if_empty(*output->info(), input->info()->tensor_shape()); |
| |
| ARM_COMPUTE_ERROR_ON_DATA_TYPE_CHANNEL_NOT_IN(output, 1, DataType::U8, DataType::QS8, DataType::S16, DataType::U16, DataType::QS16, DataType::U32, DataType::S32, DataType::F32); |
| ARM_COMPUTE_ERROR_ON_MISMATCHING_SHAPES(input, output); |
| |
| // Set output |
| _output = output; |
| } |
| |
| // Set initial fixed point position of input and output |
| _fixed_point_position_input = input->info()->fixed_point_position(); |
| _fixed_point_position_output = _output->info()->fixed_point_position(); |
| |
| // Set the fixed point position to the output tensor if needed |
| if(is_data_type_fixed_point(input->info()->data_type()) && is_data_type_fixed_point(_output->info()->data_type())) |
| { |
| // If in-place set the fixed point position of the output tensor to be equal to shift |
| _fixed_point_position_output = (_input == _output) ? static_cast<int>(_shift) : _fixed_point_position_output; |
| // Set fixed point position to output tensor |
| _output->info()->set_fixed_point_position(_fixed_point_position_output); |
| } |
| |
| ARM_COMPUTE_ERROR_ON(shift >= 8 && (!is_data_type_fixed_point(input->info()->data_type()) && !is_data_type_fixed_point(output->info()->data_type()))); |
| ARM_COMPUTE_ERROR_ON(input == output && (data_size_from_type(input->info()->data_type()) != data_size_from_type(output->info()->data_type()))); |
| |
| ARM_COMPUTE_ERROR_ON_MSG(input->info()->data_type() == DataType::U8 && (output->info()->data_type() != DataType::S16 && output->info()->data_type() != DataType::U16 |
| && output->info()->data_type() != DataType::S32), |
| "Only data_types supported [in] U8 -> [out] U16, S16, S32"); |
| |
| ARM_COMPUTE_ERROR_ON_MSG(input->info()->data_type() == DataType::QS8 && (output->info()->data_type() != DataType::QS8 && output->info()->data_type() != DataType::F32), |
| "Only data_types supported [in] QS8 -> [out] QS8, F32"); |
| |
| ARM_COMPUTE_ERROR_ON_MSG(input->info()->data_type() == DataType::U16 && (output->info()->data_type() != DataType::U8 && output->info()->data_type() != DataType::U32), |
| "Only data_types supported [in] U16 -> [out] U8, U32"); |
| |
| ARM_COMPUTE_ERROR_ON_MSG(input->info()->data_type() == DataType::S16 && (output->info()->data_type() != DataType::U8 && output->info()->data_type() != DataType::S32), |
| "Only data_types supported [in] S16 -> [out] U8, S32"); |
| |
| ARM_COMPUTE_ERROR_ON_MSG(input->info()->data_type() == DataType::QS16 && (output->info()->data_type() != DataType::QS16 && output->info()->data_type() != DataType::F32), |
| "Only data_types supported [in] QS16 -> [out] QS16, F32"); |
| |
| ARM_COMPUTE_ERROR_ON_MSG(input->info()->data_type() == DataType::F32 && (output->info()->data_type() != DataType::QS8 && output->info()->data_type() != DataType::QS16), |
| "Only data_types supported [in] F32 -> [out] QS8, QS16"); |
| |
| 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)); |
| |
| AccessWindowHorizontal input_access(input->info(), 0, num_elems_processed_per_iteration); |
| if(output != nullptr) |
| { |
| AccessWindowHorizontal output_access(output->info(), 0, num_elems_processed_per_iteration); |
| update_window_and_padding(win, input_access, output_access); |
| output_access.set_valid_region(win, input->info()->valid_region()); |
| } |
| else |
| { |
| // In-place computation |
| update_window_and_padding(win, input_access); |
| } |
| ICPPKernel::configure(win); |
| } |
| |
| void NEDepthConvertKernel::run(const Window &window) |
| { |
| ARM_COMPUTE_ERROR_ON_UNCONFIGURED_KERNEL(this); |
| ARM_COMPUTE_ERROR_ON_INVALID_SUBWINDOW(IKernel::window(), window); |
| ARM_COMPUTE_ERROR_ON(nullptr == _input); |
| ARM_COMPUTE_ERROR_ON(nullptr == _output); |
| ARM_COMPUTE_ERROR_ON(_input == _output); |
| |
| Iterator input(_input, window); |
| Iterator output(_output, window); |
| |
| bool in_place = (_input == _output); |
| |
| switch(_input->info()->data_type()) |
| { |
| case DataType::U8: |
| { |
| const int16x8_t b = vdupq_n_s16(_shift); |
| |
| switch(_output->info()->data_type()) |
| { |
| case DataType::S16: |
| { |
| /* Up-conversion U8 -> S16 */ |
| execute_window_loop(window, [&](const Coordinates & id) |
| { |
| const uint8x16_t texels_u8 = vld1q_u8(input.ptr()); |
| |
| const int16x8x2_t texels = |
| { |
| { |
| vshlq_s16(vreinterpretq_s16_u16(vmovl_u8(vget_low_u8(texels_u8))), b), |
| vshlq_s16(vreinterpretq_s16_u16(vmovl_u8(vget_high_u8(texels_u8))), b) |
| } |
| }; |
| |
| vst1q_s16(reinterpret_cast<int16_t *>(output.ptr()), texels.val[0]); |
| vst1q_s16(reinterpret_cast<int16_t *>(output.ptr()) + 8, texels.val[1]); |
| }, |
| input, output); |
| break; |
| } |
| case DataType::S32: |
| { |
| /* Up-conversion U8 -> S32 */ |
| execute_window_loop(window, [&](const Coordinates & id) |
| { |
| const uint8x16_t texels_u8 = vld1q_u8(input.ptr()); |
| |
| const int16x8x2_t texels = |
| { |
| { |
| vshlq_s16(vreinterpretq_s16_u16(vmovl_u8(vget_low_u8(texels_u8))), b), |
| vshlq_s16(vreinterpretq_s16_u16(vmovl_u8(vget_high_u8(texels_u8))), b) |
| } |
| }; |
| |
| vst1q_s32(reinterpret_cast<int32_t *>(output.ptr()), vmovl_s16(vget_low_s16(texels.val[0]))); |
| vst1q_s32(reinterpret_cast<int32_t *>(output.ptr()) + 4, vmovl_s16(vget_high_s16(texels.val[0]))); |
| vst1q_s32(reinterpret_cast<int32_t *>(output.ptr()) + 8, vmovl_s16(vget_low_s16(texels.val[1]))); |
| vst1q_s32(reinterpret_cast<int32_t *>(output.ptr()) + 12, vmovl_s16(vget_high_s16(texels.val[1]))); |
| }, |
| input, output); |
| break; |
| } |
| case DataType::U16: |
| { |
| /* Up-conversion U8 -> U16 */ |
| execute_window_loop(window, [&](const Coordinates & id) |
| { |
| const uint8x16_t texels_u8 = vld1q_u8(input.ptr()); |
| |
| const uint16x8x2_t texels = |
| { |
| { |
| vshlq_u16(vmovl_u8(vget_low_u8(texels_u8)), b), |
| vshlq_u16(vmovl_u8(vget_high_u8(texels_u8)), b) |
| } |
| }; |
| |
| vst1q_u16(reinterpret_cast<uint16_t *>(output.ptr()), texels.val[0]); |
| vst1q_u16(reinterpret_cast<uint16_t *>(output.ptr()) + 8, texels.val[1]); |
| }, |
| input, output); |
| break; |
| } |
| default: |
| ARM_COMPUTE_ERROR("Output data type not supported"); |
| } |
| break; |
| } |
| case DataType::QS8: |
| { |
| switch(_output->info()->data_type()) |
| { |
| case DataType::QS8: |
| { |
| const int relative_shift = _fixed_point_position_output - _fixed_point_position_input; |
| /* Fixed point position conversion QS8 -> QS8 */ |
| if(relative_shift != 0 || !in_place) |
| { |
| const auto relative_shift_vec = vdupq_n_qs8(relative_shift); |
| execute_window_loop(window, [&](const Coordinates & id) |
| { |
| const qint8x16_t texels_qs8 = vld1q_qs8(reinterpret_cast<const qint8_t *>(input.ptr())); |
| vst1q_qs8(reinterpret_cast<qint8_t *>(output.ptr()), vqrshlq_s8(texels_qs8, relative_shift_vec)); |
| }, |
| input, output); |
| } |
| break; |
| } |
| case DataType::F32: |
| { |
| /* Up-conversion QS8 -> F32 */ |
| execute_window_loop(window, [&](const Coordinates & id) |
| { |
| const qint8x16_t texels_qs8 = vld1q_qs8(reinterpret_cast<const qint8_t *>(input.ptr())); |
| |
| float32x4x2_t texels_low = vcvt_f32_qs8(vget_low_s8(texels_qs8), _fixed_point_position_input); |
| float32x4x2_t texels_high = vcvt_f32_qs8(vget_high_s8(texels_qs8), _fixed_point_position_input); |
| |
| vst1q_f32(reinterpret_cast<float *>(output.ptr()), texels_low.val[0]); |
| vst1q_f32(reinterpret_cast<float *>(output.ptr()) + 4, texels_low.val[1]); |
| vst1q_f32(reinterpret_cast<float *>(output.ptr()) + 8, texels_high.val[0]); |
| vst1q_f32(reinterpret_cast<float *>(output.ptr()) + 12, texels_high.val[1]); |
| }, |
| input, output); |
| break; |
| } |
| default: |
| ARM_COMPUTE_ERROR("Output data type not supported"); |
| } |
| break; |
| } |
| case DataType::S16: |
| { |
| switch(_output->info()->data_type()) |
| { |
| case DataType::U8: |
| { |
| const int16x8_t b = vdupq_n_s16(-static_cast<int16_t>(_shift)); |
| |
| /* Down-conversion S16 -> U8 */ |
| if(ConvertPolicy::SATURATE == _policy) |
| { |
| execute_window_loop(window, [&](const Coordinates & id) |
| { |
| const int16x8x2_t texels = |
| { |
| { |
| vqshlq_s16(vld1q_s16(reinterpret_cast<int16_t *>(input.ptr())), b), |
| vqshlq_s16(vld1q_s16(reinterpret_cast<int16_t *>(input.ptr()) + 8), b) |
| } |
| }; |
| |
| vst1q_u8(output.ptr(), vcombine_u8(vqmovun_s16(texels.val[0]), vqmovun_s16(texels.val[1]))); |
| }, |
| input, output); |
| } |
| else |
| { |
| execute_window_loop(window, [&](const Coordinates & id) |
| { |
| const int16x8x2_t texels = |
| { |
| { |
| vshlq_s16(vld1q_s16(reinterpret_cast<int16_t *>(input.ptr())), b), |
| vshlq_s16(vld1q_s16(reinterpret_cast<int16_t *>(input.ptr()) + 8), b) |
| } |
| }; |
| |
| vst1q_u8(output.ptr(), vcombine_u8(vmovn_u16(vreinterpretq_u16_s16(texels.val[0])), |
| vmovn_u16(vreinterpretq_u16_s16(texels.val[1])))); |
| }, |
| input, output); |
| } |
| break; |
| } |
| case DataType::S32: |
| { |
| const int32x4_t b = vdupq_n_s32(_shift); |
| |
| /* Up-conversion S16 -> S32 */ |
| execute_window_loop(window, [&](const Coordinates & id) |
| { |
| const int16x8x2_t texels = |
| { |
| { |
| vld1q_s16(reinterpret_cast<int16_t *>(input.ptr())), |
| vld1q_s16(reinterpret_cast<int16_t *>(input.ptr()) + 8) |
| } |
| }; |
| |
| const int32x4x4_t texels_s32 = |
| { |
| { |
| vshlq_s32(vmovl_s16(vget_low_s16(texels.val[0])), b), |
| vshlq_s32(vmovl_s16(vget_high_s16(texels.val[0])), b), |
| vshlq_s32(vmovl_s16(vget_low_s16(texels.val[1])), b), |
| vshlq_s32(vmovl_s16(vget_high_s16(texels.val[1])), b) |
| } |
| }; |
| |
| vst1q_s32(reinterpret_cast<int32_t *>(output.ptr()), texels_s32.val[0]); |
| vst1q_s32(reinterpret_cast<int32_t *>(output.ptr()) + 4, texels_s32.val[1]); |
| vst1q_s32(reinterpret_cast<int32_t *>(output.ptr()) + 8, texels_s32.val[2]); |
| vst1q_s32(reinterpret_cast<int32_t *>(output.ptr()) + 12, texels_s32.val[3]); |
| }, |
| input, output); |
| break; |
| } |
| default: |
| ARM_COMPUTE_ERROR("Output data type not supported"); |
| } |
| break; |
| } |
| case DataType::U16: |
| { |
| switch(_output->info()->data_type()) |
| { |
| case DataType::U8: |
| { |
| const int16x8_t b = vdupq_n_s16(-static_cast<int16_t>(_shift)); |
| |
| /* Down-conversion U16 -> U8 */ |
| if(ConvertPolicy::SATURATE == _policy) |
| { |
| execute_window_loop(window, [&](const Coordinates & id) |
| { |
| const uint16x8x2_t texels = |
| { |
| { |
| vqshlq_u16(vld1q_u16(reinterpret_cast<uint16_t *>(input.ptr())), b), |
| vqshlq_u16(vld1q_u16(reinterpret_cast<uint16_t *>(input.ptr()) + 8), b) |
| } |
| }; |
| |
| vst1q_u8(output.ptr(), vcombine_u8(vqmovn_u16(texels.val[0]), vqmovn_u16(texels.val[1]))); |
| }, |
| input, output); |
| } |
| else |
| { |
| execute_window_loop(window, [&](const Coordinates & id) |
| { |
| const uint16x8x2_t texels = |
| { |
| { |
| vshlq_u16(vld1q_u16(reinterpret_cast<uint16_t *>(input.ptr())), b), |
| vshlq_u16(vld1q_u16(reinterpret_cast<uint16_t *>(input.ptr()) + 8), b) |
| } |
| }; |
| |
| vst1q_u8(output.ptr(), vcombine_u8(vmovn_u16(texels.val[0]), vmovn_u16(texels.val[1]))); |
| }, |
| input, output); |
| } |
| break; |
| } |
| case DataType::U32: |
| { |
| const int32x4_t b = vdupq_n_s32(_shift); |
| |
| /* Up-conversion U16 -> U32 */ |
| execute_window_loop(window, [&](const Coordinates & id) |
| { |
| const uint16x8x2_t texels = |
| { |
| { |
| vld1q_u16(reinterpret_cast<uint16_t *>(input.ptr())), |
| vld1q_u16(reinterpret_cast<uint16_t *>(input.ptr()) + 8) |
| } |
| }; |
| |
| vst1q_u32(reinterpret_cast<uint32_t *>(output.ptr()), vshlq_u32(vmovl_u16(vget_low_u16(texels.val[0])), b)); |
| vst1q_u32(reinterpret_cast<uint32_t *>(output.ptr()) + 4, vshlq_u32(vmovl_u16(vget_high_u16(texels.val[0])), b)); |
| vst1q_u32(reinterpret_cast<uint32_t *>(output.ptr()) + 8, vshlq_u32(vmovl_u16(vget_low_u16(texels.val[1])), b)); |
| vst1q_u32(reinterpret_cast<uint32_t *>(output.ptr()) + 12, vshlq_u32(vmovl_u16(vget_high_u16(texels.val[1])), b)); |
| }, |
| input, output); |
| break; |
| } |
| default: |
| ARM_COMPUTE_ERROR("Output data type not supported"); |
| } |
| break; |
| } |
| case DataType::QS16: |
| { |
| switch(_output->info()->data_type()) |
| { |
| case DataType::QS16: |
| { |
| const int relative_shift = _fixed_point_position_output - _fixed_point_position_input; |
| /* Fixed point position conversion QS16 -> QS16 */ |
| if(relative_shift != 0 || !in_place) |
| { |
| const auto relative_shift_vec = vdupq_n_qs16(relative_shift); |
| execute_window_loop(window, [&](const Coordinates & id) |
| { |
| const qint16x8x2_t texels_qs16 = |
| { |
| { |
| vld1q_qs16(reinterpret_cast<qint16_t *>(input.ptr())), |
| vld1q_qs16(reinterpret_cast<qint16_t *>(input.ptr()) + 8) |
| } |
| }; |
| vst1q_qs16(reinterpret_cast<qint16_t *>(output.ptr()), vqrshlq_s16(texels_qs16.val[0], relative_shift_vec)); |
| vst1q_qs16(reinterpret_cast<qint16_t *>(output.ptr()) + 8, vqrshlq_s16(texels_qs16.val[1], relative_shift_vec)); |
| }, |
| input, output); |
| } |
| break; |
| } |
| case DataType::F32: |
| { |
| /* Up-conversion QS16 -> F32 */ |
| execute_window_loop(window, [&](const Coordinates & id) |
| { |
| const int16x8x2_t texels_qs16 = |
| { |
| { |
| vld1q_s16(reinterpret_cast<qint16_t *>(input.ptr())), |
| vld1q_s16(reinterpret_cast<qint16_t *>(input.ptr()) + 8) |
| } |
| }; |
| |
| vst1q_f32(reinterpret_cast<float *>(output.ptr()), vcvt_f32_qs16(vget_low_s16(texels_qs16.val[0]), _fixed_point_position_input)); |
| vst1q_f32(reinterpret_cast<float *>(output.ptr()) + 4, vcvt_f32_qs16(vget_high_s16(texels_qs16.val[0]), _fixed_point_position_input)); |
| vst1q_f32(reinterpret_cast<float *>(output.ptr()) + 8, vcvt_f32_qs16(vget_low_s16(texels_qs16.val[1]), _fixed_point_position_input)); |
| vst1q_f32(reinterpret_cast<float *>(output.ptr()) + 12, vcvt_f32_qs16(vget_high_s16(texels_qs16.val[1]), _fixed_point_position_input)); |
| }, |
| input, output); |
| break; |
| } |
| default: |
| ARM_COMPUTE_ERROR("Output data type not supported"); |
| } |
| break; |
| } |
| case DataType::F32: |
| { |
| switch(_output->info()->data_type()) |
| { |
| case DataType::QS8: |
| { |
| /* Down-conversion F32 -> QS8 */ |
| execute_window_loop(window, [&](const Coordinates & id) |
| { |
| const float32x4x4_t texels_f32 = |
| { |
| { |
| vld1q_f32(reinterpret_cast<const float *>(input.ptr())), |
| vld1q_f32(reinterpret_cast<const float *>(input.ptr()) + 4), |
| vld1q_f32(reinterpret_cast<const float *>(input.ptr()) + 8), |
| vld1q_f32(reinterpret_cast<const float *>(input.ptr()) + 12) |
| } |
| }; |
| |
| const qint8x16_t texels_s8 = vqcvtq_qs8_f32(texels_f32, _fixed_point_position_output); |
| |
| vst1q_s8(reinterpret_cast<int8_t *>(output.ptr()), texels_s8); |
| }, |
| input, output); |
| break; |
| } |
| case DataType::QS16: |
| { |
| /* Down-conversion F32 -> QS16 */ |
| execute_window_loop(window, [&](const Coordinates & id) |
| { |
| const float32x4x2_t texels_f32_1 = |
| { |
| { |
| vld1q_f32(reinterpret_cast<const float *>(input.ptr())), |
| vld1q_f32(reinterpret_cast<const float *>(input.ptr()) + 4), |
| } |
| }; |
| const float32x4x2_t texels_f32_2 = |
| { |
| { |
| vld1q_f32(reinterpret_cast<const float *>(input.ptr()) + 8), |
| vld1q_f32(reinterpret_cast<const float *>(input.ptr()) + 12) |
| } |
| }; |
| |
| vst1q_s16(reinterpret_cast<qint16_t *>(output.ptr()), vqcvtq_qs16_f32(texels_f32_1, _fixed_point_position_output)); |
| vst1q_s16(reinterpret_cast<qint16_t *>(output.ptr()) + 8, vqcvtq_qs16_f32(texels_f32_2, _fixed_point_position_output)); |
| }, |
| input, output); |
| break; |
| } |
| default: |
| ARM_COMPUTE_ERROR("Output data type not supported"); |
| } |
| break; |
| } |
| default: |
| ARM_COMPUTE_ERROR("Not supported"); |
| } |
| } |