Initial work

Ryujinx.Graphics.Shader/ShaderProgram.cs

@@ -0,0 +1,23 @@
+namespace Ryujinx.Graphics.Shader
+{
+    public class ShaderProgram
+    {
+        public ShaderProgramInfo Info { get; }
+
+        public ShaderStage Stage { get; }
+
+        public string Code { get; private set; }
+
+        internal ShaderProgram(ShaderProgramInfo info, ShaderStage stage, string code)
+        {
+            Info  = info;
+            Stage = stage;
+            Code  = code;
+        }
+
+        public void Replace(string name, string value)
+        {
+            Code = Code.Replace(name, value);
+        }
+    }
+}