From 16dd1249b715400c94f5959a9e2f944e16881798 Mon Sep 17 00:00:00 2001
From: Joshua Ashton <joshua@froggi.es>
Date: Sun, 15 Sep 2019 02:59:26 +0100
Subject: [PATCH] [util] Add alignDown helper

---
 src/util/util_math.h | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/src/util/util_math.h b/src/util/util_math.h
index 29e052f0b..fdb3762b8 100644
--- a/src/util/util_math.h
+++ b/src/util/util_math.h
@@ -18,6 +18,11 @@ namespace dxvk {
     return (what + to - 1) & ~(to - 1);
   }
 
+  template<typename T, typename U = T>
+  constexpr T alignDown(T what, U to) {
+    return (what / to) * to;
+  }
+
   // Equivalent of std::clamp for use with floating point numbers
   // Handles (-){INFINITY,NAN} cases.
   // Will return min in cases of NAN, etc.