Initial work

1 files changed, 25 insertions, 0 deletions

diff --git a/Ryujinx.Graphics.OpenGL/Converters/BlendOpConverter.cs b/Ryujinx.Graphics.OpenGL/Converters/BlendOpConverter.cs
new file mode 100644
index 00000000..b33a3bf8
--- /dev/null
+++ b/Ryujinx.Graphics.OpenGL/Converters/BlendOpConverter.cs
@@ -0,0 +1,25 @@
+using OpenTK.Graphics.OpenGL;
+using Ryujinx.Graphics.GAL.Blend;
+using System;
+
+namespace Ryujinx.Graphics.OpenGL
+{
+    static class BlendOpConverter
+    {
+        public static BlendEquationMode Convert(this BlendOp op)
+        {
+            switch (op)
+            {
+                case BlendOp.Add:             return BlendEquationMode.FuncAdd;
+                case BlendOp.Subtract:        return BlendEquationMode.FuncSubtract;
+                case BlendOp.ReverseSubtract: return BlendEquationMode.FuncReverseSubtract;
+                case BlendOp.Minimum:         return BlendEquationMode.Min;
+                case BlendOp.Maximum:         return BlendEquationMode.Max;
+            }
+
+            return BlendEquationMode.FuncAdd;
+
+            throw new ArgumentException($"Invalid blend operation \"{op}\".");
+        }
+    }
+}