1 files changed, 61 insertions, 0 deletions
diff --git a/Ryujinx.Common/Utilities/SpanHelpers.cs b/Ryujinx.Common/Utilities/SpanHelpers.cs
new file mode 100644
index 00000000..84c13023
--- /dev/null
+++ b/Ryujinx.Common/Utilities/SpanHelpers.cs
@@ -0,0 +1,61 @@
+using System;
+using System.Runtime.CompilerServices;
+using System.Runtime.InteropServices;
+
+namespace Ryujinx.Common.Utilities
+{
+    public static class SpanHelpers
+    {
+        [MethodImpl(MethodImplOptions.AggressiveInlining)]
+        public static Span<T> CreateSpan<T>(ref T reference, int length)
+        {
+            return MemoryMarshal.CreateSpan(ref reference, length);
+        }
+
+        [MethodImpl(MethodImplOptions.AggressiveInlining)]
+        public static Span<T> AsSpan<T>(ref T reference) where T : unmanaged
+        {
+            return CreateSpan(ref reference, 1);
+        }
+
+        [MethodImpl(MethodImplOptions.AggressiveInlining)]
+        public static Span<TSpan> AsSpan<TStruct, TSpan>(ref TStruct reference)
+            where TStruct : unmanaged where TSpan : unmanaged
+        {
+            return CreateSpan(ref Unsafe.As<TStruct, TSpan>(ref reference),
+                Unsafe.SizeOf<TStruct>() / Unsafe.SizeOf<TSpan>());
+        }
+
+        [MethodImpl(MethodImplOptions.AggressiveInlining)]
+        public static Span<byte> AsByteSpan<T>(ref T reference) where T : unmanaged
+        {
+            return CreateSpan(ref Unsafe.As<T, byte>(ref reference), Unsafe.SizeOf<T>());
+        }
+
+        [MethodImpl(MethodImplOptions.AggressiveInlining)]
+        public static ReadOnlySpan<T> CreateReadOnlySpan<T>(ref T reference, int length)
+        {
+            return MemoryMarshal.CreateReadOnlySpan(ref reference, length);
+        }
+
+        [MethodImpl(MethodImplOptions.AggressiveInlining)]
+        public static ReadOnlySpan<T> AsReadOnlySpan<T>(ref T reference) where T : unmanaged
+        {
+            return CreateReadOnlySpan(ref reference, 1);
+        }
+
+        [MethodImpl(MethodImplOptions.AggressiveInlining)]
+        public static ReadOnlySpan<TSpan> AsReadOnlySpan<TStruct, TSpan>(ref TStruct reference)
+            where TStruct : unmanaged where TSpan : unmanaged
+        {
+            return CreateReadOnlySpan(ref Unsafe.As<TStruct, TSpan>(ref reference),
+                Unsafe.SizeOf<TStruct>() / Unsafe.SizeOf<TSpan>());
+        }
+
+        [MethodImpl(MethodImplOptions.AggressiveInlining)]
+        public static ReadOnlySpan<byte> AsReadOnlyByteSpan<T>(ref T reference) where T : unmanaged
+        {
+            return CreateReadOnlySpan(ref Unsafe.As<T, byte>(ref reference), Unsafe.SizeOf<T>());
+        }
+    }
+}