Implement Constant Color blends (#1119)

* Implement Constant Color blends and init blend states

* Address gdkchan's comments

Also adds Set methods to GpuState

* Fix descriptions of QueryModified

1 files changed, 15 insertions, 1 deletions

diff --git a/Ryujinx.Graphics.GAL/ColorF.cs b/Ryujinx.Graphics.GAL/ColorF.cs
index 2e971a62..b3002f8c 100644
--- a/Ryujinx.Graphics.GAL/ColorF.cs
+++ b/Ryujinx.Graphics.GAL/ColorF.cs
@@ -1,6 +1,8 @@
+using System;
+
 namespace Ryujinx.Graphics.GAL
 {
-    public struct ColorF
+    public struct ColorF : IEquatable<ColorF>
     {
         public float Red   { get; }
         public float Green { get; }
@@ -14,5 +16,17 @@ namespace Ryujinx.Graphics.GAL
             Blue  = blue;
             Alpha = alpha;
         }
+
+        public bool Equals(ColorF color) => Red   == color.Red &&
+                                            Green == color.Green &&
+                                            Blue  == color.Blue &&
+                                            Alpha == color.Alpha;
+
+        public override bool Equals(object obj) => (obj is ColorF color) && Equals(color);
+
+        public override int GetHashCode() => HashCode.Combine(Red, Green, Blue, Alpha);
+
+        public static bool operator ==(ColorF l, ColorF r) => l.Equals(r);
+        public static bool operator !=(ColorF l, ColorF r) => !l.Equals(r);
     }
 }