| /* |
| * 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() |
| : _policy(), _shift(0) |
| { |
| } |
| |
| void NEDepthConvertKernel::configure(const 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::F32); |
| ARM_COMPUTE_ERROR_ON_DATA_TYPE_CHANNEL_NOT_IN(output, 1, DataType::U8, DataType::QS8, DataType::S16, DataType::U16, DataType::U32, DataType::S32, DataType::F32); |
| ARM_COMPUTE_ERROR_ON(shift >= 8); |
| ARM_COMPUTE_ERROR_ON(input == output); |
| ARM_COMPUTE_ERROR_ON_MSG(input->info()->data_type() == output->info()->data_type(), "Input and output data_types must be different"); |
| |
| ARM_COMPUTE_ERROR_ON_MSG(input->info()->data_type() == DataType::QS8 && (output->info()->data_type() != DataType::F32), |
| "Only data_types supported [in] QS8 -> [out] F32"); |
| |
| 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::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::F32 && (output->info()->data_type() != DataType::QS8), |
| "Only data_types supported [in] F32 -> [out] QS8"); |
| |
| _policy = policy; |
| _shift = shift; |
| |
| constexpr unsigned int num_elems_processed_per_iteration = 16; |
| INESimpleKernel::configure(input, output, num_elems_processed_per_iteration); |
| } |
| |
| void NEDepthConvertKernel::run(const Window &window) |
| { |
| ARM_COMPUTE_ERROR_ON_UNCONFIGURED_KERNEL(this); |
| ARM_COMPUTE_ERROR_ON_INVALID_SUBWINDOW(INESimpleKernel::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); |
| |
| switch(_input->info()->data_type()) |
| { |
| case DataType::QS8: |
| { |
| const int fixed_point_position = _input->info()->fixed_point_position(); |
| |
| switch(_output->info()->data_type()) |
| { |
| case DataType::F32: |
| { |
| /* Up-conversion QS8 -> F32 */ |
| execute_window_loop(window, [&](const Coordinates & id) |
| { |
| const int8x16_t texels_s8 = vld1q_s8(reinterpret_cast<const int8_t *>(input.ptr())); |
| |
| float32x4x2_t texels_low = vcvt_f32_qs8(vget_low_s8(texels_s8), fixed_point_position); |
| float32x4x2_t texels_high = vcvt_f32_qs8(vget_high_s8(texels_s8), fixed_point_position); |
| |
| 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::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::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::F32: |
| { |
| switch(_output->info()->data_type()) |
| { |
| case DataType::QS8: |
| { |
| const int fixed_point_position = _output->info()->fixed_point_position(); |
| /* 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 = vcvtq_qs8_f32(texels_f32, fixed_point_position); |
| |
| vst1q_s8(reinterpret_cast<int8_t *>(output.ptr()), texels_s8); |
| }, |
| input, output); |
| break; |
| } |
| default: |
| ARM_COMPUTE_ERROR("Output data type not supported"); |
| } |
| break; |
| } |
| default: |
| ARM_COMPUTE_ERROR("Not supported"); |
| } |
| } |