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|---|---|---|---|
| 1 | // SPDX-FileCopyrightText: 2023 - 2025 Arm Limited and/or its affiliates <open-source-office@arm.com> | ||
| 2 | // | ||
| 3 | // SPDX-License-Identifier: Apache-2.0 | ||
| 4 | |||
| 5 | #include <limits> | ||
| 6 | |||
| 7 | #include "kleidicv/kleidicv.h" | ||
| 8 | #include "kleidicv/sve2.h" | ||
| 9 | |||
| 10 | namespace kleidicv::sme { | ||
| 11 | |||
| 12 | template <typename ScalarType> | ||
| 13 | class SaturatingSub final : public UnrollTwice { | ||
| 14 | public: | ||
| 15 | using ContextType = Context; | ||
| 16 | using VecTraits = KLEIDICV_TARGET_NAMESPACE::VecTraits<ScalarType>; | ||
| 17 | using VectorType = typename VecTraits::VectorType; | ||
| 18 | |||
| 19 | 5452 | VectorType vector_path(ContextType ctx, VectorType src_a, | |
| 20 | VectorType src_b) KLEIDICV_STREAMING { | ||
| 21 | 5452 | return svqsub_m(ctx.predicate(), src_a, src_b); | |
| 22 | } | ||
| 23 | }; // end of class SaturatingSub<ScalarType> | ||
| 24 | |||
| 25 | template <typename T> | ||
| 26 | 642 | KLEIDICV_LOCALLY_STREAMING kleidicv_error_t saturating_sub( | |
| 27 | const T *src_a, size_t src_a_stride, const T *src_b, size_t src_b_stride, | ||
| 28 | T *dst, size_t dst_stride, size_t width, size_t height) { | ||
| 29 |
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642 | CHECK_POINTER_AND_STRIDE(src_a, src_a_stride, height); |
| 30 |
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628 | CHECK_POINTER_AND_STRIDE(src_b, src_b_stride, height); |
| 31 |
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614 | CHECK_POINTER_AND_STRIDE(dst, dst_stride, height); |
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|
600 | CHECK_IMAGE_SIZE(width, height); |
| 33 | |||
| 34 | 584 | SaturatingSub<T> operation; | |
| 35 | 584 | Rectangle rect{width, height}; | |
| 36 | 584 | Rows<const T> src_a_rows{src_a, src_a_stride}; | |
| 37 | 584 | Rows<const T> src_b_rows{src_b, src_b_stride}; | |
| 38 | 584 | Rows<T> dst_rows{dst, dst_stride}; | |
| 39 | 584 | apply_operation_by_rows(operation, rect, src_a_rows, src_b_rows, dst_rows); | |
| 40 | 584 | return KLEIDICV_OK; | |
| 41 | 642 | } | |
| 42 | |||
| 43 | #define KLEIDICV_INSTANTIATE_TEMPLATE(type) \ | ||
| 44 | template KLEIDICV_TARGET_FN_ATTRS kleidicv_error_t saturating_sub<type>( \ | ||
| 45 | const type *src_a, size_t src_a_stride, const type *src_b, \ | ||
| 46 | size_t src_b_stride, type *dst, size_t dst_stride, size_t width, \ | ||
| 47 | size_t height) | ||
| 48 | |||
| 49 | KLEIDICV_INSTANTIATE_TEMPLATE(int8_t); | ||
| 50 | KLEIDICV_INSTANTIATE_TEMPLATE(uint8_t); | ||
| 51 | KLEIDICV_INSTANTIATE_TEMPLATE(int16_t); | ||
| 52 | KLEIDICV_INSTANTIATE_TEMPLATE(uint16_t); | ||
| 53 | KLEIDICV_INSTANTIATE_TEMPLATE(int32_t); | ||
| 54 | KLEIDICV_INSTANTIATE_TEMPLATE(uint32_t); | ||
| 55 | KLEIDICV_INSTANTIATE_TEMPLATE(int64_t); | ||
| 56 | KLEIDICV_INSTANTIATE_TEMPLATE(uint64_t); | ||
| 57 | |||
| 58 | } // namespace kleidicv::sme | ||
| 59 |