finalized

src/Library.bf

@@ -2,6 +2,7 @@
 
 using System;
 using System.Interop;
+using System.Collections;
 
 namespace Vulkan;
 
@@ -17,7 +18,7 @@ static
 #if BF_PLATFORM_WINDOWS
 		.Stdcall;
 #else
-		.Cdecl;
+		.Unspecified;
 #endif
 
 	public const let VK_NULL_HANDLE = 0;
@@ -29,11 +30,43 @@ extension VkResult
 	public void ReturnValueDiscarded();
 }
 
+extension VkFormat
+{
+	public struct Component : this(Channel channel, int? bits, NumericFormat numericFormat)
+	{
+		public enum Channel { R, G, B, A, D, S }
+	}
+
+	//public struct ChromaSubsamplingInfo : this(int luma, int chroma1, int chroma2);
+}
+
 namespace Vulkan.Metadata;
 
 extension VulkanExtension
 {
 	public enum Kind { Instance, Device }
+
+	public struct DependencyIterator : IEnumerator<VulkanExtension>
+	{
+		public VulkanExtension ext;
+		public int index;
+		public int count;
+
+		public this(VulkanExtension ext)
+		{
+			this.ext = ext;
+			this.index = 0;
+			this.count = ext.DependencyCount;
+		}
+
+		public Result<VulkanExtension> GetNext() mut
+		{
+			if (index >= count) return .Err;
+			return .Ok(ext.GetDependency(index++));
+		}
+	}
+
+	public DependencyIterator Dependencies => .(this);
 }
 
 namespace Vulkan.External;