Move solution and projects to src

src/Ryujinx.Graphics.Shader/ShaderStage.cs

@@ -0,0 +1,27 @@
+namespace Ryujinx.Graphics.Shader
+{
+    public enum ShaderStage : byte
+    {
+        Compute,
+        Vertex,
+        TessellationControl,
+        TessellationEvaluation,
+        Geometry,
+        Fragment,
+
+        Count
+    }
+
+    public static class ShaderStageExtensions
+    {
+        /// <summary>
+        /// Checks if the shader stage supports render scale.
+        /// </summary>
+        /// <param name="stage">Shader stage</param>
+        /// <returns>True if the shader stage supports render scale, false otherwise</returns>
+        public static bool SupportsRenderScale(this ShaderStage stage)
+        {
+            return stage == ShaderStage.Vertex || stage == ShaderStage.Fragment || stage == ShaderStage.Compute;
+        }
+    }
+}