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| author | Jannik Vogel <email@jannikvogel.de> | 2016-03-11 16:15:36 +0100 |
|---|---|---|
| committer | Jannik Vogel <email@jannikvogel.de> | 2016-03-13 04:54:23 +0100 |
| commit | a66c186e81ba88b8ce5a9ef041e3839454dd70ab (patch) | |
| tree | 22939821529744351ef1fa1eb11b87c146774b48 /src/common/alignment.h | |
| parent | 7f8c99899bce49475908c3974433a51044f36e19 (diff) | |
PICA: Align vertex attributes
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 0000000000..b77da4a92b --- /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 |