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author | Anthony Barbier <anthony.barbier@arm.com> | 2017-09-04 18:44:23 +0100 |
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committer | Anthony Barbier <anthony.barbier@arm.com> | 2018-09-17 13:03:09 +0100 |
commit | 6ff3b19ee6120edf015fad8caab2991faa3070af (patch) | |
tree | a7a6dcd16dfd56d79fa1b56a313caeebcc939b68 /src/core/NEON/kernels/NEDepthConvertKernel.cpp | |
download | ComputeLibrary-6ff3b19ee6120edf015fad8caab2991faa3070af.tar.gz |
COMPMID-344 Updated doxygen
Change-Id: I32f7b84daa560e460b77216add529c8fa8b327ae
Diffstat (limited to 'src/core/NEON/kernels/NEDepthConvertKernel.cpp')
-rw-r--r-- | src/core/NEON/kernels/NEDepthConvertKernel.cpp | 384 |
1 files changed, 384 insertions, 0 deletions
diff --git a/src/core/NEON/kernels/NEDepthConvertKernel.cpp b/src/core/NEON/kernels/NEDepthConvertKernel.cpp new file mode 100644 index 0000000000..56612a7703 --- /dev/null +++ b/src/core/NEON/kernels/NEDepthConvertKernel.cpp @@ -0,0 +1,384 @@ +/* + * 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"); + } +} |