Refactor rendering projects

src/Runtime/Ghost.Graphics.RHI/IRenderer.cs

@@ -0,0 +1,37 @@
+using Ghost.Core;
+
+namespace Ghost.Graphics.RHI;
+
+public readonly struct RenderContext
+{
+    public ICommandBuffer CommandBuffer { get; init; }
+}
+
+/// <summary>
+/// High-level renderer interface that uses RHI abstractions
+/// </summary>
+public interface IRenderer : IDisposable
+{
+    /// <summary>
+    /// Gets or sets the render output target for this renderer.
+    /// </summary>
+    IRenderOutput? RenderOutput
+    {
+        get; set;
+    }
+
+    /// <summary>
+    /// The function that performs the actual rendering operations. Skip rendering if this is null.
+    /// </summary>
+    Func<RenderContext, Error>? RenderFunc
+    {
+        get; set;
+    }
+
+    /// <summary>
+    /// Renders a frame
+    /// </summary>
+    /// <param name="commandAllocator">Command allocator to use for rendering</param>
+    /// <returns>Result of the rendering operation</returns>
+    Result Render(ICommandAllocator commandAllocator);
+}