| Line | Branch | Exec | Source |
|---|---|---|---|
| 1 | // SPDX-FileCopyrightText: 2025 Arm Limited and/or its affiliates <open-source-office@arm.com> | ||
| 2 | // | ||
| 3 | // SPDX-License-Identifier: Apache-2.0 | ||
| 4 | |||
| 5 | #ifndef KLEIDICV_MEDIAN_BLUR_BORDER_HANDLING_H | ||
| 6 | #define KLEIDICV_MEDIAN_BLUR_BORDER_HANDLING_H | ||
| 7 | |||
| 8 | #include <algorithm> | ||
| 9 | |||
| 10 | #include "kleidicv/kleidicv.h" | ||
| 11 | |||
| 12 | namespace kleidicv::neon { | ||
| 13 | |||
| 14 | 2462955 | static ptrdiff_t get_physical_index(size_t index, size_t limit, | |
| 15 | FixedBorderType border_type) { | ||
| 16 | 2462955 | int result = 0; | |
| 17 | 2462955 | int signed_index = static_cast<int>(index); | |
| 18 | 2462955 | int signed_limit = static_cast<int>(limit); | |
| 19 | |||
| 20 |
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2462955 | if (signed_index >= 0 && signed_index < signed_limit) { |
| 21 | 1742235 | return static_cast<ptrdiff_t>(index); | |
| 22 | } | ||
| 23 |
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720720 | switch (border_type) { |
| 24 | case FixedBorderType::REFLECT: { | ||
| 25 |
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172392 | if (signed_index < 0) { |
| 26 | 106296 | result = -signed_index - 1; | |
| 27 | 106296 | } else { | |
| 28 | 66096 | result = 2 * signed_limit - signed_index - 1; | |
| 29 | } | ||
| 30 | 172392 | break; | |
| 31 | } | ||
| 32 | |||
| 33 | case FixedBorderType::WRAP: { | ||
| 34 |
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172392 | if (signed_index < 0) { |
| 35 | 106296 | result = signed_limit + signed_index; | |
| 36 | 106296 | } else { | |
| 37 | 66096 | result = signed_index - signed_limit; | |
| 38 | } | ||
| 39 | 172392 | break; | |
| 40 | } | ||
| 41 | |||
| 42 | case FixedBorderType::REVERSE: { | ||
| 43 |
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172392 | if (signed_index < 0) { |
| 44 | 106296 | result = std::min(-signed_index, signed_limit - 1); | |
| 45 | 106296 | } else { | |
| 46 | 66096 | result = 2 * signed_limit - signed_index - 2; | |
| 47 | } | ||
| 48 | 172392 | break; | |
| 49 | } | ||
| 50 | default: /* FixedBorderType::REPLICATE */ { | ||
| 51 | 203544 | result = std::clamp(signed_index, 0, signed_limit - 1); | |
| 52 | 203544 | break; | |
| 53 | } | ||
| 54 | } | ||
| 55 | |||
| 56 | 720720 | return static_cast<ptrdiff_t>(result); | |
| 57 | 2462955 | } | |
| 58 | |||
| 59 | } // namespace kleidicv::neon | ||
| 60 | #endif // KLEIDICV_MEDIAN_BLUR_BORDER_HANDLING_H | ||
| 61 |