| OLD | NEW |
| 1 /* | 1 /* |
| 2 * Copyright 2006 The Android Open Source Project | 2 * Copyright 2006 The Android Open Source Project |
| 3 * | 3 * |
| 4 * Use of this source code is governed by a BSD-style license that can be | 4 * Use of this source code is governed by a BSD-style license that can be |
| 5 * found in the LICENSE file. | 5 * found in the LICENSE file. |
| 6 */ | 6 */ |
| 7 | 7 |
| 8 #ifndef SkEndian_DEFINED | 8 #ifndef SkEndian_DEFINED |
| 9 #define SkEndian_DEFINED | 9 #define SkEndian_DEFINED |
| 10 | 10 |
| (...skipping 21 matching lines...) Expand all Loading... |
| 32 } | 32 } |
| 33 | 33 |
| 34 template<uint16_t N> struct SkTEndianSwap16 { | 34 template<uint16_t N> struct SkTEndianSwap16 { |
| 35 static const uint16_t value = static_cast<uint16_t>((N >> 8) | ((N & 0xFF) <
< 8)); | 35 static const uint16_t value = static_cast<uint16_t>((N >> 8) | ((N & 0xFF) <
< 8)); |
| 36 }; | 36 }; |
| 37 | 37 |
| 38 /** Vector version of SkEndianSwap16(), which swaps the | 38 /** Vector version of SkEndianSwap16(), which swaps the |
| 39 low two bytes of each value in the array. | 39 low two bytes of each value in the array. |
| 40 */ | 40 */ |
| 41 static inline void SkEndianSwap16s(uint16_t array[], int count) { | 41 static inline void SkEndianSwap16s(uint16_t array[], int count) { |
| 42 SkASSERT(count == 0 || array != NULL); | 42 SkASSERT(count == 0 || array != nullptr); |
| 43 | 43 |
| 44 while (--count >= 0) { | 44 while (--count >= 0) { |
| 45 *array = SkEndianSwap16(*array); | 45 *array = SkEndianSwap16(*array); |
| 46 array += 1; | 46 array += 1; |
| 47 } | 47 } |
| 48 } | 48 } |
| 49 | 49 |
| 50 /** Reverse all 4 bytes in a 32bit value. | 50 /** Reverse all 4 bytes in a 32bit value. |
| 51 e.g. 0x12345678 -> 0x78563412 | 51 e.g. 0x12345678 -> 0x78563412 |
| 52 */ | 52 */ |
| 53 static inline uint32_t SkEndianSwap32(uint32_t value) { | 53 static inline uint32_t SkEndianSwap32(uint32_t value) { |
| 54 return ((value & 0xFF) << 24) | | 54 return ((value & 0xFF) << 24) | |
| 55 ((value & 0xFF00) << 8) | | 55 ((value & 0xFF00) << 8) | |
| 56 ((value & 0xFF0000) >> 8) | | 56 ((value & 0xFF0000) >> 8) | |
| 57 (value >> 24); | 57 (value >> 24); |
| 58 } | 58 } |
| 59 | 59 |
| 60 template<uint32_t N> struct SkTEndianSwap32 { | 60 template<uint32_t N> struct SkTEndianSwap32 { |
| 61 static const uint32_t value = ((N & 0xFF) << 24) | | 61 static const uint32_t value = ((N & 0xFF) << 24) | |
| 62 ((N & 0xFF00) << 8) | | 62 ((N & 0xFF00) << 8) | |
| 63 ((N & 0xFF0000) >> 8) | | 63 ((N & 0xFF0000) >> 8) | |
| 64 (N >> 24); | 64 (N >> 24); |
| 65 }; | 65 }; |
| 66 | 66 |
| 67 /** Vector version of SkEndianSwap32(), which swaps the | 67 /** Vector version of SkEndianSwap32(), which swaps the |
| 68 bytes of each value in the array. | 68 bytes of each value in the array. |
| 69 */ | 69 */ |
| 70 static inline void SkEndianSwap32s(uint32_t array[], int count) { | 70 static inline void SkEndianSwap32s(uint32_t array[], int count) { |
| 71 SkASSERT(count == 0 || array != NULL); | 71 SkASSERT(count == 0 || array != nullptr); |
| 72 | 72 |
| 73 while (--count >= 0) { | 73 while (--count >= 0) { |
| 74 *array = SkEndianSwap32(*array); | 74 *array = SkEndianSwap32(*array); |
| 75 array += 1; | 75 array += 1; |
| 76 } | 76 } |
| 77 } | 77 } |
| 78 | 78 |
| 79 /** Reverse all 8 bytes in a 64bit value. | 79 /** Reverse all 8 bytes in a 64bit value. |
| 80 e.g. 0x1122334455667788 -> 0x8877665544332211 | 80 e.g. 0x1122334455667788 -> 0x8877665544332211 |
| 81 */ | 81 */ |
| (...skipping 15 matching lines...) Expand all Loading... |
| 97 ((N & 0x000000FF00000000ULL) >> (8*1)) | | 97 ((N & 0x000000FF00000000ULL) >> (8*1)) | |
| 98 ((N & 0x0000FF0000000000ULL) >> (8*3)) | | 98 ((N & 0x0000FF0000000000ULL) >> (8*3)) | |
| 99 ((N & 0x00FF000000000000ULL) >> (8*5)) | | 99 ((N & 0x00FF000000000000ULL) >> (8*5)) | |
| 100 ((N) >> (8*7))); | 100 ((N) >> (8*7))); |
| 101 }; | 101 }; |
| 102 | 102 |
| 103 /** Vector version of SkEndianSwap64(), which swaps the | 103 /** Vector version of SkEndianSwap64(), which swaps the |
| 104 bytes of each value in the array. | 104 bytes of each value in the array. |
| 105 */ | 105 */ |
| 106 static inline void SkEndianSwap64s(uint64_t array[], int count) { | 106 static inline void SkEndianSwap64s(uint64_t array[], int count) { |
| 107 SkASSERT(count == 0 || array != NULL); | 107 SkASSERT(count == 0 || array != nullptr); |
| 108 | 108 |
| 109 while (--count >= 0) { | 109 while (--count >= 0) { |
| 110 *array = SkEndianSwap64(*array); | 110 *array = SkEndianSwap64(*array); |
| 111 array += 1; | 111 array += 1; |
| 112 } | 112 } |
| 113 } | 113 } |
| 114 | 114 |
| 115 #ifdef SK_CPU_LENDIAN | 115 #ifdef SK_CPU_LENDIAN |
| 116 #define SkEndian_SwapBE16(n) SkEndianSwap16(n) | 116 #define SkEndian_SwapBE16(n) SkEndianSwap16(n) |
| 117 #define SkEndian_SwapBE32(n) SkEndianSwap32(n) | 117 #define SkEndian_SwapBE32(n) SkEndianSwap32(n) |
| (...skipping 67 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
| 185 SK_OT_BYTE f6 : 1; \ | 185 SK_OT_BYTE f6 : 1; \ |
| 186 SK_OT_BYTE f5 : 1; \ | 186 SK_OT_BYTE f5 : 1; \ |
| 187 SK_OT_BYTE f4 : 1; \ | 187 SK_OT_BYTE f4 : 1; \ |
| 188 SK_OT_BYTE f3 : 1; \ | 188 SK_OT_BYTE f3 : 1; \ |
| 189 SK_OT_BYTE f2 : 1; \ | 189 SK_OT_BYTE f2 : 1; \ |
| 190 SK_OT_BYTE f1 : 1; \ | 190 SK_OT_BYTE f1 : 1; \ |
| 191 SK_OT_BYTE f0 : 1; | 191 SK_OT_BYTE f0 : 1; |
| 192 #endif | 192 #endif |
| 193 | 193 |
| 194 #endif | 194 #endif |
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