Continue working on RHI

Ghost.Graphics/RHI/IResourceAllocator.cs

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+using Ghost.Graphics.Data;
+
+namespace Ghost.Graphics.RHI;
+
+public interface IResourceAllocator
+{
+    /// <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 IRenderTarget CreateRenderTarget(ref readonly RenderTargetDesc desc, bool tempResource = false);
+
+    /// <summary>
+    /// Creates a texture resource
+    /// </summary>
+    /// <param name="desc">Texture description</param>
+    /// <returns>A new texture handle point to the resource</returns>
+    public TextureHandle CreateTextureHandle(ref readonly TextureDesc desc, bool tempResource = false);
+
+    /// <summary>
+    /// Creates a texture resource
+    /// </summary>
+    /// <param name="desc">Texture description</param>
+    /// <returns>A new texture instance</returns>
+    public ITexture CreateTexture(ref readonly TextureDesc 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 CreateBufferHandle(ref readonly BufferDesc desc, bool tempResource = false);
+
+    /// <summary>
+    /// Creates a buffer resource
+    /// </summary>
+    /// <param name="desc">Buffer description</param>
+    /// <returns>A new buffer instance</returns>
+    public IBuffer CreateBuffer(ref readonly BufferDesc desc, bool tempResource = false);
+
+    /// <summary>
+    /// Release a resource given its handle
+    /// </summary>
+    /// <param name="handle">Resource handle</param>
+    public void ReleaseResource(ResourceHandle handle);
+}
+
+internal interface IResourceAllocator<T> : IResourceAllocator
+    where T : unmanaged
+{
+    /// <summary>
+    /// Get the raw gpu resource pointer from a resource handle
+    /// </summary>
+    /// <typeparam name="T">The type of the resource.</typeparam>
+    /// <param name="handle">Resource handle</param>
+    /// <returns>Pointer to the resource</returns>
+    public unsafe T* GetResource(ResourceHandle handle);
+}