RDNA3 Vulkan project

src/Ryujinx.Graphics.Rdna3Vulkan/RenderPassCacheKey.cs

@@ -0,0 +1,43 @@
+using System;
+using System.Linq;
+
+namespace Ryujinx.Graphics.Rdna3Vulkan
+{
+    internal readonly struct RenderPassCacheKey : IRefEquatable<RenderPassCacheKey>
+    {
+        private readonly TextureView _depthStencil;
+        private readonly TextureView[] _colors;
+
+        public RenderPassCacheKey(TextureView depthStencil, TextureView[] colors)
+        {
+            _depthStencil = depthStencil;
+            _colors = colors;
+        }
+
+        public override int GetHashCode()
+        {
+            HashCode hc = new();
+
+            hc.Add(_depthStencil);
+
+            if (_colors != null)
+            {
+                foreach (var color in _colors)
+                {
+                    hc.Add(color);
+                }
+            }
+
+            return hc.ToHashCode();
+        }
+
+        public bool Equals(ref RenderPassCacheKey other)
+        {
+            bool colorsNull = _colors == null;
+            bool otherNull = other._colors == null;
+            return other._depthStencil == _depthStencil &&
+                colorsNull == otherNull &&
+                (colorsNull || other._colors.SequenceEqual(_colors));
+        }
+    }
+}