/* * 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 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(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(output.ptr()), texels_low.val[0]); vst1q_f32(reinterpret_cast(output.ptr()) + 4, texels_low.val[1]); vst1q_f32(reinterpret_cast(output.ptr()) + 8, texels_high.val[0]); vst1q_f32(reinterpret_cast(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(output.ptr()), texels.val[0]); vst1q_s16(reinterpret_cast(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(output.ptr()), vmovl_s16(vget_low_s16(texels.val[0]))); vst1q_s32(reinterpret_cast(output.ptr()) + 4, vmovl_s16(vget_high_s16(texels.val[0]))); vst1q_s32(reinterpret_cast(output.ptr()) + 8, vmovl_s16(vget_low_s16(texels.val[1]))); vst1q_s32(reinterpret_cast(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(output.ptr()), texels.val[0]); vst1q_u16(reinterpret_cast(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(_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(input.ptr())), b), vqshlq_s16(vld1q_s16(reinterpret_cast(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(input.ptr())), b), vshlq_s16(vld1q_s16(reinterpret_cast(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(input.ptr())), vld1q_s16(reinterpret_cast(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(output.ptr()), texels_s32.val[0]); vst1q_s32(reinterpret_cast(output.ptr()) + 4, texels_s32.val[1]); vst1q_s32(reinterpret_cast(output.ptr()) + 8, texels_s32.val[2]); vst1q_s32(reinterpret_cast(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(_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(input.ptr())), b), vqshlq_u16(vld1q_u16(reinterpret_cast(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(input.ptr())), b), vshlq_u16(vld1q_u16(reinterpret_cast(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(input.ptr())), vld1q_u16(reinterpret_cast(input.ptr()) + 8) } }; vst1q_u32(reinterpret_cast(output.ptr()), vshlq_u32(vmovl_u16(vget_low_u16(texels.val[0])), b)); vst1q_u32(reinterpret_cast(output.ptr()) + 4, vshlq_u32(vmovl_u16(vget_high_u16(texels.val[0])), b)); vst1q_u32(reinterpret_cast(output.ptr()) + 8, vshlq_u32(vmovl_u16(vget_low_u16(texels.val[1])), b)); vst1q_u32(reinterpret_cast(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(input.ptr())), vld1q_f32(reinterpret_cast(input.ptr()) + 4), vld1q_f32(reinterpret_cast(input.ptr()) + 8), vld1q_f32(reinterpret_cast(input.ptr()) + 12) } }; const qint8x16_t texels_s8 = vcvtq_qs8_f32(texels_f32, fixed_point_position); vst1q_s8(reinterpret_cast(output.ptr()), texels_s8); }, input, output); break; } default: ARM_COMPUTE_ERROR("Output data type not supported"); } break; } default: ARM_COMPUTE_ERROR("Not supported"); } }