Refactoring Rendering backend

Ghost.Shader/ShaderModel.cs

@@ -0,0 +1,34 @@
+namespace Ghost.Shader;
+
+public enum ShaderPropertyType
+{
+    None,
+    Float, Float2, Float3, Float4,
+    Int, Int2, Int3, Int4,
+    UInt, UInt2, UInt3, UInt4,
+    Bool, Bool2, Bool3, Bool4,
+    Texture2D, Texture3D, TextureCube,
+}
+
+internal class PropertyModel
+{
+    public ShaderPropertyType type;
+    public string name = string.Empty;
+    public object? defaultValue;
+}
+
+internal class PipelineStateModel
+{
+    public ZTestOptions zTest;
+    public ZWriteOptions zWrite;
+    public CullOptions cull;
+    public BlendOptions blend;
+    public uint colorMask;
+}
+
+internal class ShaderModel
+{
+    public string name = string.Empty;
+    public List<PropertyModel> properties = new();
+    public PipelineStateModel pipeline = new();
+}