| Line | Branch | Exec | Source |
|---|---|---|---|
| 1 | // SPDX-FileCopyrightText: 2023 - 2024 Arm Limited and/or its affiliates <open-source-office@arm.com> | ||
| 2 | // | ||
| 3 | // SPDX-License-Identifier: Apache-2.0 | ||
| 4 | |||
| 5 | #include "kleidicv/kleidicv.h" | ||
| 6 | #include "kleidicv/neon.h" | ||
| 7 | |||
| 8 | namespace kleidicv::neon { | ||
| 9 | |||
| 10 | template <typename ScalarType> | ||
| 11 | class BinaryThreshold final : public UnrollTwice { | ||
| 12 | public: | ||
| 13 | using VecTraits = neon::VecTraits<ScalarType>; | ||
| 14 | using VectorType = typename VecTraits::VectorType; | ||
| 15 | |||
| 16 | 71 | BinaryThreshold(ScalarType threshold, ScalarType value) | |
| 17 | 71 | : threshold_vect_{vdupq_n_u8(threshold)}, | |
| 18 | 71 | value_vect_{vdupq_n_u8(value)}, | |
| 19 | 71 | zero_vect_{vdupq_n_u8(0)}, | |
| 20 | 71 | threshold_{threshold}, | |
| 21 | 71 | value_{value} {} | |
| 22 | |||
| 23 | 468 | VectorType vector_path(VectorType src) { | |
| 24 | 468 | VectorType predicate = vcgtq_u8(src, threshold_vect_); | |
| 25 | 936 | return vbslq_u8(predicate, value_vect_, zero_vect_); | |
| 26 | 468 | } | |
| 27 | |||
| 28 | 673 | ScalarType scalar_path(ScalarType src) { | |
| 29 |
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673 | return src > threshold_ ? value_ : 0; |
| 30 | } | ||
| 31 | |||
| 32 | private: | ||
| 33 | VectorType threshold_vect_; | ||
| 34 | VectorType value_vect_; | ||
| 35 | VectorType zero_vect_; | ||
| 36 | ScalarType threshold_; | ||
| 37 | ScalarType value_; | ||
| 38 | }; // end of class BinaryThreshold<ScalarType> | ||
| 39 | |||
| 40 | template <typename T> | ||
| 41 | 75 | kleidicv_error_t threshold_binary(const T *src, size_t src_stride, T *dst, | |
| 42 | size_t dst_stride, size_t width, | ||
| 43 | size_t height, T threshold, T value) { | ||
| 44 |
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75 | CHECK_POINTER_AND_STRIDE(src, src_stride, height); |
| 45 |
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74 | CHECK_POINTER_AND_STRIDE(dst, dst_stride, height); |
| 46 |
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73 | CHECK_IMAGE_SIZE(width, height); |
| 47 | |||
| 48 | 71 | Rectangle rect{width, height}; | |
| 49 | 71 | Rows<const T> src_rows{src, src_stride}; | |
| 50 | 71 | Rows<T> dst_rows{dst, dst_stride}; | |
| 51 | 71 | BinaryThreshold<T> operation{threshold, value}; | |
| 52 | 71 | apply_operation_by_rows(operation, rect, src_rows, dst_rows); | |
| 53 | 71 | return KLEIDICV_OK; | |
| 54 | 75 | } | |
| 55 | |||
| 56 | #define KLEIDICV_INSTANTIATE_TEMPLATE(type) \ | ||
| 57 | template KLEIDICV_TARGET_FN_ATTRS kleidicv_error_t threshold_binary<type>( \ | ||
| 58 | const type *src, size_t src_stride, type *dst, size_t dst_stride, \ | ||
| 59 | size_t width, size_t height, type threshold, type value) | ||
| 60 | |||
| 61 | KLEIDICV_INSTANTIATE_TEMPLATE(uint8_t); | ||
| 62 | |||
| 63 | } // namespace kleidicv::neon | ||
| 64 |