Add utils

openVulkanoCpp/Base/Utils.hpp

@@ -61,5 +61,35 @@ namespace openVulkanoCpp
 		{
 			return (size + alignment - 1) & ~(alignment - 1);
 		}
+
+		static inline constexpr size_t AlignPage(size_t size)
+		{
+			return Align(size, 4096); //TODO detect system page size instead of relying on hardcoded value
+		}
+
+		template<typename T, typename = std::enable_if_t<std::is_unsigned_v<T>>>
+		static inline constexpr bool IsPow2(T i)
+		{
+			return ((i - 1) & i) == 0;
+		}
+
+		template<typename T, typename = std::enable_if_t<std::is_unsigned_v<T>>>
+		static inline constexpr T Log2OfPow2(T n)
+		{
+			assert(n != 0);
+			assert(IsPow2(n));
+
+			T log = 0;
+			while(true)
+			{
+				n >>= 1;
+				if (n == 0)
+				{
+					break;
+				}
+				log++;
+			}
+			return log;
+		}
 	};
 }