diff options
Diffstat (limited to 'src/common/alignment.h')
| -rw-r--r-- | src/common/alignment.h | 21 |
1 files changed, 14 insertions, 7 deletions
diff --git a/src/common/alignment.h b/src/common/alignment.h index 32d796ffa..1b56569d1 100644 --- a/src/common/alignment.h +++ b/src/common/alignment.h | |||
| @@ -9,41 +9,48 @@ | |||
| 9 | namespace Common { | 9 | namespace Common { |
| 10 | 10 | ||
| 11 | template <typename T> | 11 | template <typename T> |
| 12 | requires std::is_unsigned_v<T>[[nodiscard]] constexpr T AlignUp(T value, size_t size) { | 12 | requires std::is_unsigned_v<T> |
| 13 | [[nodiscard]] constexpr T AlignUp(T value, size_t size) { | ||
| 13 | auto mod{static_cast<T>(value % size)}; | 14 | auto mod{static_cast<T>(value % size)}; |
| 14 | value -= mod; | 15 | value -= mod; |
| 15 | return static_cast<T>(mod == T{0} ? value : value + size); | 16 | return static_cast<T>(mod == T{0} ? value : value + size); |
| 16 | } | 17 | } |
| 17 | 18 | ||
| 18 | template <typename T> | 19 | template <typename T> |
| 19 | requires std::is_unsigned_v<T>[[nodiscard]] constexpr T AlignUpLog2(T value, size_t align_log2) { | 20 | requires std::is_unsigned_v<T> |
| 21 | [[nodiscard]] constexpr T AlignUpLog2(T value, size_t align_log2) { | ||
| 20 | return static_cast<T>((value + ((1ULL << align_log2) - 1)) >> align_log2 << align_log2); | 22 | return static_cast<T>((value + ((1ULL << align_log2) - 1)) >> align_log2 << align_log2); |
| 21 | } | 23 | } |
| 22 | 24 | ||
| 23 | template <typename T> | 25 | template <typename T> |
| 24 | requires std::is_unsigned_v<T>[[nodiscard]] constexpr T AlignDown(T value, size_t size) { | 26 | requires std::is_unsigned_v<T> |
| 27 | [[nodiscard]] constexpr T AlignDown(T value, size_t size) { | ||
| 25 | return static_cast<T>(value - value % size); | 28 | return static_cast<T>(value - value % size); |
| 26 | } | 29 | } |
| 27 | 30 | ||
| 28 | template <typename T> | 31 | template <typename T> |
| 29 | requires std::is_unsigned_v<T>[[nodiscard]] constexpr bool Is4KBAligned(T value) { | 32 | requires std::is_unsigned_v<T> |
| 33 | [[nodiscard]] constexpr bool Is4KBAligned(T value) { | ||
| 30 | return (value & 0xFFF) == 0; | 34 | return (value & 0xFFF) == 0; |
| 31 | } | 35 | } |
| 32 | 36 | ||
| 33 | template <typename T> | 37 | template <typename T> |
| 34 | requires std::is_unsigned_v<T>[[nodiscard]] constexpr bool IsWordAligned(T value) { | 38 | requires std::is_unsigned_v<T> |
| 39 | [[nodiscard]] constexpr bool IsWordAligned(T value) { | ||
| 35 | return (value & 0b11) == 0; | 40 | return (value & 0b11) == 0; |
| 36 | } | 41 | } |
| 37 | 42 | ||
| 38 | template <typename T> | 43 | template <typename T> |
| 39 | requires std::is_integral_v<T>[[nodiscard]] constexpr bool IsAligned(T value, size_t alignment) { | 44 | requires std::is_integral_v<T> |
| 45 | [[nodiscard]] constexpr bool IsAligned(T value, size_t alignment) { | ||
| 40 | using U = typename std::make_unsigned_t<T>; | 46 | using U = typename std::make_unsigned_t<T>; |
| 41 | const U mask = static_cast<U>(alignment - 1); | 47 | const U mask = static_cast<U>(alignment - 1); |
| 42 | return (value & mask) == 0; | 48 | return (value & mask) == 0; |
| 43 | } | 49 | } |
| 44 | 50 | ||
| 45 | template <typename T, typename U> | 51 | template <typename T, typename U> |
| 46 | requires std::is_integral_v<T>[[nodiscard]] constexpr T DivideUp(T x, U y) { | 52 | requires std::is_integral_v<T> |
| 53 | [[nodiscard]] constexpr T DivideUp(T x, U y) { | ||
| 47 | return (x + (y - 1)) / y; | 54 | return (x + (y - 1)) / y; |
| 48 | } | 55 | } |
| 49 | 56 | ||