Move solution and projects to src

src/Ryujinx.Graphics.Shader/CodeGen/Spirv/EnumConversion.cs

@@ -0,0 +1,22 @@
+using System;
+using static Spv.Specification;
+
+namespace Ryujinx.Graphics.Shader.CodeGen.Spirv
+{
+    static class EnumConversion
+    {
+        public static ExecutionModel Convert(this ShaderStage stage)
+        {
+            return stage switch
+            {
+                ShaderStage.Compute => ExecutionModel.GLCompute,
+                ShaderStage.Vertex => ExecutionModel.Vertex,
+                ShaderStage.TessellationControl => ExecutionModel.TessellationControl,
+                ShaderStage.TessellationEvaluation => ExecutionModel.TessellationEvaluation,
+                ShaderStage.Geometry => ExecutionModel.Geometry,
+                ShaderStage.Fragment => ExecutionModel.Fragment,
+                _ => throw new ArgumentException($"Invalid shader stage \"{stage}\".")
+            };
+        }
+    }
+}