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-rw-r--r--src/common/div_ceil.h26
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diff --git a/src/common/div_ceil.h b/src/common/div_ceil.h
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+++ b/src/common/div_ceil.h
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+// Copyright 2020 yuzu emulator team
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#pragma once
+
+#include <cstddef>
+#include <type_traits>
+
+namespace Common {
+
+/// Ceiled integer division.
+template <typename N, typename D>
+requires std::is_integral_v<N>&& std::is_unsigned_v<D>[[nodiscard]] constexpr N DivCeil(N number,
+ D divisor) {
+ return static_cast<N>((static_cast<D>(number) + divisor - 1) / divisor);
+}
+
+/// Ceiled integer division with logarithmic divisor in base 2
+template <typename N, typename D>
+requires std::is_integral_v<N>&& std::is_unsigned_v<D>[[nodiscard]] constexpr N DivCeilLog2(
+ N value, D alignment_log2) {
+ return static_cast<N>((static_cast<D>(value) + (D(1) << alignment_log2) - 1) >> alignment_log2);
+}
+
+} // namespace Common