Spanify Graphics Abstraction Layer (#1226)

* Spanify Graphics Abstraction Layer

* Be explicit about BufferHandle size

1 files changed, 22 insertions, 0 deletions

diff --git a/Ryujinx.Graphics.GAL/BufferHandle.cs b/Ryujinx.Graphics.GAL/BufferHandle.cs
new file mode 100644
index 00000000..49f83442
--- /dev/null
+++ b/Ryujinx.Graphics.GAL/BufferHandle.cs
@@ -0,0 +1,22 @@
+using System;
+using System.Diagnostics.CodeAnalysis;
+using System.Runtime.InteropServices;
+
+namespace Ryujinx.Graphics.GAL
+{
+    [StructLayout(LayoutKind.Sequential, Size = 8)]
+    public struct BufferHandle : IEquatable<BufferHandle>
+    {
+        private readonly ulong _value;
+
+        public static BufferHandle Null => new BufferHandle(0);
+
+        private BufferHandle(ulong value) => _value = value;
+
+        public override bool Equals(object obj) => obj is BufferHandle handle && Equals(handle);
+        public bool Equals([AllowNull] BufferHandle other) => other._value == _value;
+        public override int GetHashCode() => _value.GetHashCode();
+        public static bool operator ==(BufferHandle left, BufferHandle right) => left.Equals(right);
+        public static bool operator !=(BufferHandle left, BufferHandle right) => !(left == right);
+    }
+}