Continue working on RHI

Ghost.Graphics/RHI/IDescriptorAllocator.cs

@@ -1,144 +0,0 @@
-namespace Ghost.Graphics.RHI;
-
-/// <summary>
-/// D3D12-style descriptor allocator interface
-/// </summary>
-public interface IDescriptorAllocator : IDisposable
-{
-    /// <summary>
-    /// Allocates a render target view descriptor
-    /// </summary>
-    /// <returns>RTV descriptor handle</returns>
-    DescriptorHandle AllocateRTV();
-
-    /// <summary>
-    /// Allocates multiple render target view descriptors
-    /// </summary>
-    /// <param name="count">Number of descriptors to allocate</param>
-    /// <returns>Array of RTV descriptor handles</returns>
-    DescriptorHandle[] AllocateRTVs(uint count);
-
-    /// <summary>
-    /// Allocates a depth stencil view descriptor
-    /// </summary>
-    /// <returns>DSV descriptor handle</returns>
-    DescriptorHandle AllocateDSV();
-
-    /// <summary>
-    /// Allocates a shader resource view descriptor
-    /// </summary>
-    /// <returns>SRV descriptor handle</returns>
-    DescriptorHandle AllocateSRV();
-
-    /// <summary>
-    /// Allocates a sampler descriptor
-    /// </summary>
-    /// <returns>Sampler descriptor handle</returns>
-    DescriptorHandle AllocateSampler();
-
-    /// <summary>
-    /// Allocates a bindless descriptor for SM 6.6 rendering
-    /// </summary>
-    /// <returns>Bindless descriptor handle</returns>
-    DescriptorHandle AllocateBindless();
-
-    /// <summary>
-    /// Releases a render target view descriptor
-    /// </summary>
-    /// <param name="handle">RTV descriptor to release</param>
-    void ReleaseRTV(DescriptorHandle handle);
-
-    /// <summary>
-    /// Releases a depth stencil view descriptor
-    /// </summary>
-    /// <param name="handle">DSV descriptor to release</param>
-    void ReleaseDSV(DescriptorHandle handle);
-
-    /// <summary>
-    /// Releases a shader resource view descriptor
-    /// </summary>
-    /// <param name="handle">SRV descriptor to release</param>
-    void ReleaseSRV(DescriptorHandle handle);
-
-    /// <summary>
-    /// Releases a sampler descriptor
-    /// </summary>
-    /// <param name="handle">Sampler descriptor to release</param>
-    void ReleaseSampler(DescriptorHandle handle);
-
-    /// <summary>
-    /// Releases a bindless descriptor
-    /// </summary>
-    /// <param name="handle">Bindless descriptor to release</param>
-    void ReleaseBindless(DescriptorHandle handle);
-}
-
-/// <summary>
-/// D3D12-style descriptor heap interface
-/// </summary>
-public interface IDescriptorHeap : IDisposable
-{
-    /// <summary>
-    /// Type of descriptors this heap contains
-    /// </summary>
-    DescriptorHeapType Type { get; }
-
-    /// <summary>
-    /// Maximum number of descriptors in this heap
-    /// </summary>
-    uint MaxDescriptors { get; }
-
-    /// <summary>
-    /// Whether this heap is shader visible
-    /// </summary>
-    bool IsShaderVisible { get; }
-
-    /// <summary>
-    /// Gets a CPU descriptor handle at the specified index
-    /// </summary>
-    /// <param name="index">Index of the descriptor</param>
-    /// <returns>CPU descriptor handle</returns>
-    DescriptorHandle GetCPUHandle(uint index);
-
-    /// <summary>
-    /// Gets a GPU descriptor handle at the specified index
-    /// </summary>
-    /// <param name="index">Index of the descriptor</param>
-    /// <returns>GPU descriptor handle</returns>
-    DescriptorHandle GetGPUHandle(uint index);
-}
-
-/// <summary>
-/// Descriptor handle for D3D12-style descriptor management
-/// </summary>
-public struct DescriptorHandle : IEquatable<DescriptorHandle>
-{
-    public uint Index;
-    public bool IsValid;
-
-    public DescriptorHandle(uint index)
-    {
-        Index = index;
-        IsValid = true;
-    }
-
-    public static DescriptorHandle Invalid => new() { Index = uint.MaxValue, IsValid = false };
-
-    public bool Equals(DescriptorHandle other) => Index == other.Index && IsValid == other.IsValid;
-    public override bool Equals(object? obj) => obj is DescriptorHandle other && Equals(other);
-    public override int GetHashCode() => HashCode.Combine(Index, IsValid);
-
-    public static bool operator ==(DescriptorHandle left, DescriptorHandle right) => left.Equals(right);
-    public static bool operator !=(DescriptorHandle left, DescriptorHandle right) => !left.Equals(right);
-}
-
-/// <summary>
-/// D3D12 descriptor heap types
-/// </summary>
-public enum DescriptorHeapType
-{
-    CBV_SRV_UAV,
-    Sampler,
-    RTV,
-    DSV
-}