From 4b24bc7c70df68d6d8f949ee2ffb02e1c1472235 Mon Sep 17 00:00:00 2001
From: Georg Lehmann <dadschoorse@gmail.com>
Date: Thu, 25 Sep 2025 17:28:28 +0200
Subject: [PATCH] util: add util_round_down_npot
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Reviewed-by: Daniel Schürmann <daniel@schuermann.dev>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/37548>
---
 src/util/u_math.h | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/src/util/u_math.h b/src/util/u_math.h
index c62733204fd..ae6554fbc44 100644
--- a/src/util/u_math.h
+++ b/src/util/u_math.h
@@ -735,6 +735,12 @@ util_align_npot(size_t value, size_t alignment)
    return value;
 }
 
+static inline size_t
+util_round_down_npot(size_t value, size_t alignment)
+{
+   return value - (value % alignment);
+}
+
 static inline unsigned
 u_minify(unsigned value, unsigned levels)
 {