Only initialize shader outputs that are actually used on the next stage (#3054)

* Only initialize shader outputs that are actually used on the next stage

* Shader cache version bump

Ryujinx.Graphics.Shader/Translation/UInt128.cs

@@ -0,0 +1,74 @@
+using System;
+using System.Numerics;
+
+namespace Ryujinx.Graphics.Shader.Translation
+{
+    struct UInt128 : IEquatable<UInt128>
+    {
+        public static UInt128 Zero => new UInt128() { _v0 = 0, _v1 = 0 };
+
+        private ulong _v0;
+        private ulong _v1;
+
+        public int TrailingZeroCount()
+        {
+            int count = BitOperations.TrailingZeroCount(_v0);
+            if (count == 64)
+            {
+                count += BitOperations.TrailingZeroCount(_v1);
+            }
+
+            return count;
+        }
+
+        public static UInt128 Pow2(int x)
+        {
+            if (x >= 64)
+            {
+                return new UInt128() { _v0 = 0, _v1 = 1UL << (x - 64 ) };
+            }
+
+            return new UInt128() { _v0 = 1UL << x, _v1 = 0 };
+        }
+
+        public static UInt128 operator ~(UInt128 x)
+        {
+            return new UInt128() { _v0 = ~x._v0, _v1 = ~x._v1 };
+        }
+
+        public static UInt128 operator &(UInt128 x, UInt128 y)
+        {
+            return new UInt128() { _v0 = x._v0 & y._v0, _v1 = x._v1 & y._v1 };
+        }
+
+        public static UInt128 operator |(UInt128 x, UInt128 y)
+        {
+            return new UInt128() { _v0 = x._v0 | y._v0, _v1 = x._v1 | y._v1 };
+        }
+
+        public static bool operator ==(UInt128 x, UInt128 y)
+        {
+            return x.Equals(y);
+        }
+
+        public static bool operator !=(UInt128 x, UInt128 y)
+        {
+            return !x.Equals(y);
+        }
+
+        public override bool Equals(object obj)
+        {
+            return obj is UInt128 other && Equals(other);
+        }
+
+        public bool Equals(UInt128 other)
+        {
+            return _v0 == other._v0 && _v1 == other._v1;
+        }
+
+        public override int GetHashCode()
+        {
+            return HashCode.Combine(_v0, _v1);
+        }
+    }
+}