Massive folder rename, follow Apis convention, separate Imaging (WIC)

src/Vortice.Win32.Graphics.Direct3D12/BlendDescription.cs

@@ -0,0 +1,54 @@
+// Copyright © Amer Koleci and Contributors.
+// Licensed under the MIT License (MIT). See LICENSE in the repository root for more information.
+
+using static Win32.Graphics.Direct3D12.Apis;
+
+namespace Win32.Graphics.Direct3D12;
+
+public unsafe partial struct BlendDescription
+{
+    /// <summary>
+    /// A built-in description with settings for opaque blend, that is overwriting the source with the destination data.
+    /// </summary>
+    public static readonly BlendDescription Opaque = new(Blend.One, Blend.Zero);
+
+    /// <summary>
+    /// A built-in description with settings for alpha blend, that is blending the source and destination data using alpha.
+    /// </summary>
+    public static readonly BlendDescription AlphaBlend = new(Blend.One, Blend.InvSrcAlpha);
+
+    /// <summary>
+    /// A built-in description with settings for additive blend, that is adding the destination data to the source data without using alpha.
+    /// </summary>
+    public static readonly BlendDescription Additive = new(Blend.SrcAlpha, Blend.One);
+
+    /// <summary>
+    /// A built-in description with settings for blending with non-premultipled alpha, that is blending source and destination data using alpha while assuming the color data contains no alpha information.
+    /// </summary>
+    public static readonly BlendDescription NonPremultiplied = new(Blend.SrcAlpha, Blend.InvSrcAlpha);
+
+    /// <summary>
+    /// Initializes a new instance of the <see cref="BlendDescription"/> struct.
+    /// </summary>
+    /// <param name="srcBlend">The source blend.</param>
+    /// <param name="destBlend">The destination blend.</param>
+    public BlendDescription(Blend srcBlend, Blend destBlend)
+        : this()
+    {
+        AlphaToCoverageEnable = false;
+        IndependentBlendEnable = false;
+
+        for (int i = 0; i < D3D12_SIMULTANEOUS_RENDER_TARGET_COUNT; i++)
+        {
+            RenderTarget[i].BlendEnable = srcBlend != Blend.One || destBlend != Blend.Zero;
+            RenderTarget[i].LogicOp = LogicOperation.Noop;
+            RenderTarget[i].SrcBlend = srcBlend;
+            RenderTarget[i].DestBlend = destBlend;
+            RenderTarget[i].BlendOp = BlendOperation.Add;
+            RenderTarget[i].SrcBlendAlpha = srcBlend;
+            RenderTarget[i].DestBlendAlpha = destBlend;
+            RenderTarget[i].BlendOpAlpha = BlendOperation.Add;
+            RenderTarget[i].RenderTargetWriteMask = ColorWriteEnable.All;
+        }
+    }
+}