Make structs readonly when applicable (#4002)

* Make all structs readonly when applicable. It should reduce amount of needless defensive copies

* Make structs with trivial boilerplate equality code record structs

* Remove unnecessary readonly modifiers from TextureCreateInfo

* Make BitMap structs readonly too

1 files changed, 2 insertions, 10 deletions

diff --git a/Ryujinx.Graphics.GAL/BufferHandle.cs b/Ryujinx.Graphics.GAL/BufferHandle.cs
index 49f83442..5ba50d19 100644
--- a/Ryujinx.Graphics.GAL/BufferHandle.cs
+++ b/Ryujinx.Graphics.GAL/BufferHandle.cs
@@ -1,22 +1,14 @@
-using System;
-using System.Diagnostics.CodeAnalysis;
-using System.Runtime.InteropServices;
+using System.Runtime.InteropServices;
 
 namespace Ryujinx.Graphics.GAL
 {
     [StructLayout(LayoutKind.Sequential, Size = 8)]
-    public struct BufferHandle : IEquatable<BufferHandle>
+    public readonly record struct 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);
     }
 }