| /* |
| * Copyright (c) 2016-2018 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/NEDepthConvertLayerKernel.h" |
| |
| #include "arm_compute/core/CPP/Validate.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/NEON/NEMath.h" |
| #include "arm_compute/core/TensorInfo.h" |
| #include "arm_compute/core/Validate.h" |
| |
| #include <arm_neon.h> |
| |
| using namespace arm_compute; |
| |
| namespace |
| { |
| Status validate_arguments(const ITensorInfo *input, const ITensorInfo *output, ConvertPolicy policy, uint32_t shift) |
| { |
| ARM_COMPUTE_RETURN_ERROR_ON_CPU_F16_UNSUPPORTED(input); |
| ARM_COMPUTE_RETURN_ERROR_ON_CPU_F16_UNSUPPORTED(output); |
| ARM_COMPUTE_UNUSED(policy); |
| ARM_COMPUTE_RETURN_ERROR_ON(input == output); |
| ARM_COMPUTE_RETURN_ERROR_ON_DATA_TYPE_CHANNEL_NOT_IN(input, 1, DataType::QASYMM8, DataType::U8, DataType::S16, DataType::U16, DataType::F16, DataType::F32); |
| ARM_COMPUTE_RETURN_ERROR_ON_DATA_TYPE_CHANNEL_NOT_IN(output, 1, DataType::QASYMM8, DataType::U8, DataType::S16, DataType::U16, DataType::U32, DataType::S32, DataType::F16, DataType::F32); |
| ARM_COMPUTE_RETURN_ERROR_ON(shift >= 8); |
| |
| ARM_COMPUTE_RETURN_ERROR_ON_MSG(input->data_type() == DataType::QASYMM8 && (output->data_type() != DataType::F16 && output->data_type() != DataType::F32), |
| "Only data_types supported [in] QASYMM8 -> [out] F16, F32"); |
| |
| ARM_COMPUTE_RETURN_ERROR_ON_MSG(input->data_type() == DataType::U8 && (output->data_type() != DataType::S16 && output->data_type() != DataType::U16 |
| && output->data_type() != DataType::S32), |
| "Only data_types supported [in] U8 -> [out] U16, S16, S32"); |
| |
| ARM_COMPUTE_RETURN_ERROR_ON_MSG(input->data_type() == DataType::U16 && (output->data_type() != DataType::U8 && output->data_type() != DataType::U32), |
| "Only data_types supported [in] U16 -> [out] U8, U32"); |
| |
| ARM_COMPUTE_RETURN_ERROR_ON_MSG(input->data_type() == DataType::S16 && (output->data_type() != DataType::U8 && output->data_type() != DataType::S32), |
| "Only data_types supported [in] S16 -> [out] U8, S32"); |
| |
| ARM_COMPUTE_RETURN_ERROR_ON_MSG(input->data_type() == DataType::F16 && (output->data_type() != DataType::QASYMM8 && output->data_type() != DataType::F32), |
| "Only data_types supported [in] F16 -> [out] QASYMM8, F32"); |
| |
| ARM_COMPUTE_RETURN_ERROR_ON_MSG(input->data_type() == DataType::F32 && (output->data_type() != DataType::QASYMM8 && output->data_type() != DataType::F16), |
| "Only data_types supported [in] F32 -> [out] QASYMM8, F16"); |
| |
| // Validate in case of configured output |
| if(output->total_size() > 0) |
| { |
| ARM_COMPUTE_RETURN_ERROR_ON_MISMATCHING_SHAPES(input, output); |
| } |
| |
| return Status{}; |
| } |
| |
| std::pair<Status, Window> validate_and_configure_window(ITensorInfo *input, ITensorInfo *output) |
| { |
| constexpr unsigned int num_elems_processed_per_iteration = 16; |
| |
| Window win = calculate_max_window(*input, Steps(num_elems_processed_per_iteration)); |
| |
| AccessWindowHorizontal input_access(input, 0, num_elems_processed_per_iteration); |
| AccessWindowHorizontal output_access(output, 0, num_elems_processed_per_iteration); |
| bool window_changed = update_window_and_padding(win, input_access, output_access); |
| output_access.set_valid_region(win, output->valid_region()); |
| |
| Status err = (window_changed) ? ARM_COMPUTE_CREATE_ERROR(ErrorCode::RUNTIME_ERROR, "Insufficient Padding!") : Status{}; |
| return std::make_pair(err, win); |
| } |
| } // namespace |
| |
| NEDepthConvertLayerKernel::NEDepthConvertLayerKernel() |
| : _input(nullptr), _output(nullptr), _policy(), _shift(0) |
| { |
| } |
| |
| void NEDepthConvertLayerKernel::configure(const ITensor *input, ITensor *output, ConvertPolicy policy, uint32_t shift) |
| { |
| ARM_COMPUTE_ERROR_ON_NULLPTR(input, output); |
| |
| // 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()); |
| |
| _input = input; |
| _output = output; |
| _policy = policy; |
| _shift = shift; |
| |
| ARM_COMPUTE_ERROR_THROW_ON(validate_arguments(input->info(), output->info(), policy, shift)); |
| |
| // Configure kernel window |
| auto win_config = validate_and_configure_window(input->info(), output->info()); |
| ARM_COMPUTE_ERROR_THROW_ON(win_config.first); |
| ICPPKernel::configure(win_config.second); |
| } |
| |
| Status NEDepthConvertLayerKernel::validate(const ITensorInfo *input, const ITensorInfo *output, ConvertPolicy policy, uint32_t shift) |
| { |
| ARM_COMPUTE_RETURN_ON_ERROR(validate_arguments(input, output, policy, shift)); |
| ARM_COMPUTE_RETURN_ON_ERROR(validate_and_configure_window(input->clone().get(), output->clone().get()).first); |
| |
| return Status{}; |
| } |
| |
| void NEDepthConvertLayerKernel::run(const Window &window, const ThreadInfo &info) |
| { |
| ARM_COMPUTE_UNUSED(info); |
| ARM_COMPUTE_ERROR_ON_UNCONFIGURED_KERNEL(this); |
| ARM_COMPUTE_ERROR_ON_INVALID_SUBWINDOW(IKernel::window(), window); |
| ARM_COMPUTE_ERROR_ON_NULLPTR(_input, _output); |
| ARM_COMPUTE_ERROR_ON(_input == _output); |
| |
| Iterator input(_input, window); |
| Iterator output(_output, window); |
| |
| switch(_input->info()->data_type()) |
| { |
| case DataType::QASYMM8: |
| { |
| switch(_output->info()->data_type()) |
| { |
| /* Up-conversion QASYMM8 -> F32 */ |
| case DataType::F32: |
| { |
| const float32x4_t scale = vdupq_n_f32(_input->info()->quantization_info().scale); |
| const int32x4_t offset = vdupq_n_s32(_input->info()->quantization_info().offset); |
| |
| execute_window_loop(window, [&](const Coordinates & id) |
| { |
| const uint8x16_t texels_u8 = vld1q_u8(input.ptr()); |
| const uint16x8x2_t texels_u16 = |
| { |
| { |
| vmovl_u8(vget_low_u8(texels_u8)), |
| vmovl_u8(vget_high_u8(texels_u8)) |
| } |
| }; |
| |
| const int32x4x4_t texels_s32 = |
| { |
| { |
| vreinterpretq_s32_u32(vmovl_u16(vget_low_u16(texels_u16.val[0]))), |
| vreinterpretq_s32_u32(vmovl_u16(vget_high_u16(texels_u16.val[0]))), |
| vreinterpretq_s32_u32(vmovl_u16(vget_low_u16(texels_u16.val[1]))), |
| vreinterpretq_s32_u32(vmovl_u16(vget_high_u16(texels_u16.val[1]))) |
| } |
| }; |
| |
| vst1q_f32(reinterpret_cast<float *>(output.ptr()), vmulq_f32(vcvtq_f32_s32(vsubq_s32(texels_s32.val[0], offset)), scale)); |
| vst1q_f32(reinterpret_cast<float *>(output.ptr()) + 4, vmulq_f32(vcvtq_f32_s32(vsubq_s32(texels_s32.val[1], offset)), scale)); |
| vst1q_f32(reinterpret_cast<float *>(output.ptr()) + 8, vmulq_f32(vcvtq_f32_s32(vsubq_s32(texels_s32.val[2], offset)), scale)); |
| vst1q_f32(reinterpret_cast<float *>(output.ptr()) + 12, vmulq_f32(vcvtq_f32_s32(vsubq_s32(texels_s32.val[3], offset)), scale)); |
| }, |
| input, output); |
| break; |
| } |
| #ifdef __ARM_FEATURE_FP16_VECTOR_ARITHMETIC |
| /* Up-conversion QASYMM8 -> F16 */ |
| case DataType::F16: |
| { |
| const float16x8_t scale = vdupq_n_f16(static_cast<float16_t>(_input->info()->quantization_info().scale)); |
| const int16x8_t offset = vdupq_n_s16(static_cast<int16_t>(_input->info()->quantization_info().offset)); |
| |
| execute_window_loop(window, [&](const Coordinates & id) |
| { |
| const uint8x16_t texels_u8 = vld1q_u8(input.ptr()); |
| const int16x8x2_t texels_s16 = |
| { |
| { |
| vreinterpretq_s16_u16(vmovl_u8(vget_low_u8(texels_u8))), |
| vreinterpretq_s16_u16(vmovl_u8(vget_high_u8(texels_u8))) |
| } |
| }; |
| |
| vst1q_f16(reinterpret_cast<float16_t *>(output.ptr()), vmulq_f16(vcvtq_f16_s16(vsubq_s16(texels_s16.val[0], offset)), scale)); |
| vst1q_f16(reinterpret_cast<float16_t *>(output.ptr()) + 8, vmulq_f16(vcvtq_f16_s16(vsubq_s16(texels_s16.val[1], offset)), scale)); |
| }, |
| input, output); |
| break; |
| } |
| #endif /* __ARM_FEATURE_FP16_VECTOR_ARITHMETIC */ |
| 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; |
| } |
| #ifdef __ARM_FEATURE_FP16_VECTOR_ARITHMETIC |
| case DataType::F16: |
| switch(_output->info()->data_type()) |
| { |
| case DataType::QASYMM8: |
| { |
| const float16x8_t scale = vinvq_f16(vdupq_n_f16(static_cast<float16_t>(_output->info()->quantization_info().scale))); |
| const int16x8_t offset = vdupq_n_s16(static_cast<int16_t>(_output->info()->quantization_info().offset)); |
| const int16x8_t max_val_vec = vdupq_n_s16(255); |
| const int16x8_t zero_val_vec = vdupq_n_s16(0); |
| |
| /* Down-conversion F16 -> QASYMM8 */ |
| execute_window_loop(window, [&](const Coordinates & id) |
| { |
| const float16x8x2_t texels = |
| { |
| { |
| vmulq_f16(vld1q_f16(reinterpret_cast<float16_t *>(input.ptr())), scale), |
| vmulq_f16(vld1q_f16(reinterpret_cast<float16_t *>(input.ptr()) + 8), scale), |
| } |
| }; |
| |
| const auto texel_quantized_0 = vmaxq_s16(vminq_s16(vaddq_s16(vcvtq_s16_f16(texels.val[0]), offset), max_val_vec), zero_val_vec); |
| const auto texel_quantized_1 = vmaxq_s16(vminq_s16(vaddq_s16(vcvtq_s16_f16(texels.val[1]), offset), max_val_vec), zero_val_vec); |
| vst1q_u8(reinterpret_cast<uint8_t *>(output.ptr()), vcombine_u8(vqmovun_s16(texel_quantized_0), vqmovun_s16(texel_quantized_1))); |
| }, |
| input, output); |
| break; |
| } |
| case DataType::F32: |
| { |
| const float32x4_t scale = vdupq_n_f32(1 << _shift); |
| |
| /* Up-conversion F16 -> F32 */ |
| execute_window_loop(window, [&](const Coordinates & id) |
| { |
| const float16x8x2_t texels = |
| { |
| { |
| vld1q_f16(reinterpret_cast<float16_t *>(input.ptr())), |
| vld1q_f16(reinterpret_cast<float16_t *>(input.ptr()) + 8) |
| } |
| }; |
| |
| vst1q_f32(reinterpret_cast<float *>(output.ptr()), vmulq_f32(vcvt_f32_f16(vget_low_f16(texels.val[0])), scale)); |
| vst1q_f32(reinterpret_cast<float *>(output.ptr()) + 4, vmulq_f32(vcvt_f32_f16(vget_high_f16(texels.val[0])), scale)); |
| vst1q_f32(reinterpret_cast<float *>(output.ptr()) + 8, vmulq_f32(vcvt_f32_f16(vget_low_f16(texels.val[1])), scale)); |
| vst1q_f32(reinterpret_cast<float *>(output.ptr()) + 12, vmulq_f32(vcvt_f32_f16(vget_high_f16(texels.val[1])), scale)); |
| }, |
| input, output); |
| break; |
| } |
| default: |
| ARM_COMPUTE_ERROR("Output data type not supported"); |
| } |
| break; |
| #endif /* __ARM_FEATURE_FP16_VECTOR_ARITHMETIC */ |
| case DataType::F32: |
| switch(_output->info()->data_type()) |
| { |
| case DataType::QASYMM8: |
| { |
| const float32x4_t scale = vinvq_f32(vdupq_n_f32(_output->info()->quantization_info().scale)); |
| const int32x4_t offset = vdupq_n_s32(_output->info()->quantization_info().offset); |
| const int32x4_t max_val_vec = vdupq_n_s32(255); |
| const int32x4_t zero_val_vec = vdupq_n_s32(0); |
| |
| /* Down-conversion F32 -> QASYMM8 */ |
| execute_window_loop(window, [&](const Coordinates & id) |
| { |
| const float32x4x4_t texels = |
| { |
| { |
| vmulq_f32(vld1q_f32(reinterpret_cast<float *>(input.ptr())), scale), |
| vmulq_f32(vld1q_f32(reinterpret_cast<float *>(input.ptr()) + 4), scale), |
| vmulq_f32(vld1q_f32(reinterpret_cast<float *>(input.ptr()) + 8), scale), |
| vmulq_f32(vld1q_f32(reinterpret_cast<float *>(input.ptr()) + 12), scale) |
| } |
| }; |
| |
| const auto texel_quantized_0 = vmaxq_s32(vminq_s32(vaddq_s32(vcvtq_s32_f32(texels.val[0]), offset), max_val_vec), zero_val_vec); |
| const auto texel_quantized_1 = vmaxq_s32(vminq_s32(vaddq_s32(vcvtq_s32_f32(texels.val[1]), offset), max_val_vec), zero_val_vec); |
| const auto texel_quantized_2 = vmaxq_s32(vminq_s32(vaddq_s32(vcvtq_s32_f32(texels.val[2]), offset), max_val_vec), zero_val_vec); |
| const auto texel_quantized_3 = vmaxq_s32(vminq_s32(vaddq_s32(vcvtq_s32_f32(texels.val[3]), offset), max_val_vec), zero_val_vec); |
| |
| const auto converted_0 = vqmovn_u16(vcombine_u16(vqmovun_s32(texel_quantized_0), vqmovun_s32(texel_quantized_1))); |
| const auto converted_1 = vqmovn_u16(vcombine_u16(vqmovun_s32(texel_quantized_2), vqmovun_s32(texel_quantized_3))); |
| |
| vst1q_u8(reinterpret_cast<uint8_t *>(output.ptr()), vcombine_u8(converted_0, converted_1)); |
| }, |
| input, output); |
| break; |
| } |
| #ifdef __ARM_FEATURE_FP16_VECTOR_ARITHMETIC |
| case DataType::F16: |
| { |
| const float32x4_t scale = vdupq_n_f32(1.f / (1 << _shift)); |
| |
| /* Down-conversion F32 -> F16 */ |
| execute_window_loop(window, [&](const Coordinates & id) |
| { |
| const float32x4x4_t texels = |
| { |
| { |
| vmulq_f32(vld1q_f32(reinterpret_cast<float *>(input.ptr())), scale), |
| vmulq_f32(vld1q_f32(reinterpret_cast<float *>(input.ptr()) + 4), scale), |
| vmulq_f32(vld1q_f32(reinterpret_cast<float *>(input.ptr()) + 8), scale), |
| vmulq_f32(vld1q_f32(reinterpret_cast<float *>(input.ptr()) + 12), scale) |
| } |
| }; |
| |
| vst1q_f16(reinterpret_cast<float16_t *>(output.ptr()), vcombine_f16(vcvt_f16_f32(texels.val[0]), vcvt_f16_f32(texels.val[1]))); |
| vst1q_f16(reinterpret_cast<float16_t *>(output.ptr()) + 8, vcombine_f16(vcvt_f16_f32(texels.val[2]), vcvt_f16_f32(texels.val[3]))); |
| }, |
| input, output); |
| break; |
| } |
| #endif /* __ARM_FEATURE_FP16_VECTOR_ARITHMETIC */ |
| default: |
| ARM_COMPUTE_ERROR("Output data type not supported"); |
| } |
| break; |
| default: |
| ARM_COMPUTE_ERROR("Not supported"); |
| } |
| } |