Refactoring Rendering backend

Ghost.Graphics/RHI/IResourceAllocator.cs

@@ -1,4 +1,6 @@
-using Ghost.Graphics.Data;
+using Ghost.Core;
+using Ghost.Graphics.Data;
+using Misaki.HighPerformance.LowLevel.Collections;
 
 namespace Ghost.Graphics.RHI;
 
@@ -9,25 +11,46 @@ public interface IResourceAllocator
     /// </summary>
     /// <param name="desc">Texture description</param>
     /// <returns>A new texture handle point to the resource</returns>
-    public TextureHandle CreateTexture(ref readonly TextureDesc desc, bool tempResource = false);
+    public Handle<Texture> CreateTexture(ref readonly TextureDesc desc, bool tempResource = false);
 
     /// <summary>
     /// Creates a render target for off-screen rendering
     /// </summary>
     /// <param name="desc">Render target description</param>
-    /// <returns>A new render target instance</returns>
-    public TextureHandle CreateRenderTarget(ref readonly RenderTargetDesc desc, bool tempResource = false);
+    /// <returns>A new texture handle point to the resource</returns>
+    public Handle<Texture> CreateRenderTarget(ref readonly RenderTargetDesc desc, bool tempResource = false);
 
     /// <summary>
     /// Creates a buffer resource
     /// </summary>
     /// <param name="desc">Buffer description</param>
     /// <returns>A new buffer handle point to the resource</returns>
-    public BufferHandle CreateBuffer(ref readonly BufferDesc desc, bool tempResource = false);
+    public Handle<GraphicsBuffer> CreateBuffer(ref readonly BufferDesc desc, bool tempResource = false);
+
+    /// <summary>
+    /// Creates a new mesh from the specified vertex and index data.
+    /// </summary>
+    /// <param name="vertices">A UnsafeList containing the vertices that define the geometry of the mesh. Must contain at least one vertex.</param>
+    /// <param name="indices">A UnsafeList containing the indices that specify how vertices are connected to form primitives. Must contain at least one index.</param>
+    /// <returns>An <see cref="Identifier{Mesh}"/> representing the newly created mesh.</returns>
+    public Handle<Mesh> CreateMesh(UnsafeList<Vertex> vertices, UnsafeList<uint> indices);
+
+    /// <summary>
+    /// Creates a new material instance using the specified shader.
+    /// </summary>
+    /// <param name="shader">The identifier of the shader to associate with the new material. Cannot be null.</param>
+    /// <returns>An <see cref="Identifier{Material}"/> representing the newly created material.</returns>
+    public Handle<Material> CreateMaterial(Identifier<Shader> shader);
+
+    /// <summary>
+    /// Creates a new shader and returns its unique identifier.
+    /// </summary>
+    /// <returns>An <see cref="Identifier{Shader}"/> representing the newly created shader.</returns>
+    public Identifier<Shader> CreateShader();
 
     /// <summary>
     /// Release a resource given its handle
     /// </summary>
     /// <param name="handle">Resource handle</param>
-    public void ReleaseResource(ResourceHandle handle);
+    public void ReleaseResource(Handle<GPUResource> handle);
 }