Added IShaderCompiler

Ghost.Graphics/Core/RootSignatureLayout.cs

@@ -0,0 +1,43 @@
+namespace Ghost.Graphics.Core;
+
+/// <summary>
+/// The layout of the root signature is:
+/// <list type="bullet">
+/// <item>
+/// Global buffer (b0)
+/// </item>
+/// <item>
+/// Per-view buffer (b1)
+/// </item>
+/// <item>
+/// Per-object buffer (b2)
+/// </item>
+/// <item>
+/// Per-material buffer (b3)
+/// </item>
+/// <item>
+/// Descriptor table for bindless textures (t0)
+/// </item>
+/// <item>
+/// Descriptor table for bindless samplers (s0)
+/// </item>
+/// </list>
+/// </summary>
+public static class RootSignatureLayout
+{
+    public const int GLOBAL_BUFFER_SLOT = 0;
+    public const int PER_VIEW_BUFFER_SLOT = 1;
+    public const int PER_OBJECT_BUFFER_SLOT = 2;
+    public const int PER_MATERIAL_BUFFER_SLOT = 3;
+
+    public const int TEXTURE_HEAP_SLOT = 0;
+    public const int SAMPLER_HEAP_SLOT = 0;
+
+    public const int ROOT_PARAMETER_COUNT =
+#if USE_TRADITIONAL_BINDLESS
+    6
+#else
+    4
+#endif
+    ;
+}