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author | Yuri Kunde Schlesner <yuriks@yuriks.net> | 2016-03-13 05:12:15 +0100 |
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committer | Yuri Kunde Schlesner <yuriks@yuriks.net> | 2016-03-13 05:12:15 +0100 |
commit | f62935d2787fdc43ed0f102bf967ae6f25fb6298 (patch) | |
tree | 22939821529744351ef1fa1eb11b87c146774b48 /src/common/alignment.h | |
parent | Merge pull request #1506 from lioncash/enum (diff) | |
parent | PICA: Align vertex attributes (diff) | |
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Diffstat (limited to 'src/common/alignment.h')
-rw-r--r-- | src/common/alignment.h | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/src/common/alignment.h b/src/common/alignment.h new file mode 100644 index 000000000..b77da4a92 --- /dev/null +++ b/src/common/alignment.h @@ -0,0 +1,22 @@ +// This file is under the public domain. + +#pragma once + +#include <cstddef> +#include <type_traits> + +namespace Common { + +template <typename T> +constexpr T AlignUp(T value, size_t size) { + static_assert(std::is_unsigned<T>::value, "T must be an unsigned value."); + return static_cast<T>(value + (size - value % size) % size); +} + +template <typename T> +constexpr T AlignDown(T value, size_t size) { + static_assert(std::is_unsigned<T>::value, "T must be an unsigned value."); + return static_cast<T>(value - value % size); +} + +} // namespace Common |