From 05c7ec057c1c05307c73dbb5bb73d0e3b02fae76 Mon Sep 17 00:00:00 2001
From: Susko3 <Susko3@protonmail.com>
Date: Wed, 2 Oct 2024 02:13:12 +0100
Subject: [PATCH] Add some missing macros

---
 SDL3-CS.Tests/TestInterface.cs | 44 ++++++++++++++++++++++++++++++++++
 SDL3-CS/SDL3/SDL_audio.cs      |  4 ++++
 SDL3-CS/SDL3/SDL_stdinc.cs     | 14 +++++++++++
 3 files changed, 62 insertions(+)
 create mode 100644 SDL3-CS.Tests/TestInterface.cs

diff --git a/SDL3-CS.Tests/TestInterface.cs b/SDL3-CS.Tests/TestInterface.cs
new file mode 100644
index 0000000..2eeeff8
--- /dev/null
+++ b/SDL3-CS.Tests/TestInterface.cs
@@ -0,0 +1,44 @@
+// Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
+// See the LICENCE file in the repository root for full licence text.
+
+using NUnit.Framework;
+
+namespace SDL.Tests
+{
+    [TestFixture]
+    public class TestInterface
+    {
+        [Test]
+        public unsafe void TestIOInterface()
+        {
+            SDL_IOStreamInterface iface;
+
+            SDL3.SDL_INIT_INTERFACE(out iface);
+
+            Assert.That(iface.version, Is.EqualTo(sizeof(SDL_IOStreamInterface)));
+            Assert.That(iface.size == null);
+            Assert.That(iface.seek == null);
+            Assert.That(iface.read == null);
+            Assert.That(iface.write == null);
+            Assert.That(iface.flush == null);
+            Assert.That(iface.close == null);
+        }
+
+        [Test]
+        public unsafe void TestIOInterfaceManual()
+        {
+            SDL_IOStreamInterface iface = new SDL_IOStreamInterface
+            {
+                version = (uint)sizeof(SDL_IOStreamInterface),
+            };
+
+            Assert.That(iface.version, Is.EqualTo(sizeof(SDL_IOStreamInterface)));
+            Assert.That(iface.size == null);
+            Assert.That(iface.seek == null);
+            Assert.That(iface.read == null);
+            Assert.That(iface.write == null);
+            Assert.That(iface.flush == null);
+            Assert.That(iface.close == null);
+        }
+    }
+}
diff --git a/SDL3-CS/SDL3/SDL_audio.cs b/SDL3-CS/SDL3/SDL_audio.cs
index 8f7e3ef..09829b9 100644
--- a/SDL3-CS/SDL3/SDL_audio.cs
+++ b/SDL3-CS/SDL3/SDL_audio.cs
@@ -11,6 +11,10 @@ namespace SDL
 
     public static partial class SDL3
     {
+        [Macro]
+        public static SDL_AudioFormat SDL_DEFINE_AUDIO_FORMAT(UInt16 signed, UInt16 bigendian, UInt16 @float, UInt16 size) =>
+            (SDL_AudioFormat)(((UInt16)(signed) << 15) | ((UInt16)(bigendian) << 12) | ((UInt16)(@float) << 8) | ((size) & (UInt16)SDL_AUDIO_MASK_BITSIZE));
+
         [Constant]
         public static readonly SDL_AudioFormat SDL_AUDIO_S16 = BitConverter.IsLittleEndian ? SDL_AudioFormat.SDL_AUDIO_S16LE : SDL_AudioFormat.SDL_AUDIO_S16BE;
 
diff --git a/SDL3-CS/SDL3/SDL_stdinc.cs b/SDL3-CS/SDL3/SDL_stdinc.cs
index b13d02f..8897df5 100644
--- a/SDL3-CS/SDL3/SDL_stdinc.cs
+++ b/SDL3-CS/SDL3/SDL_stdinc.cs
@@ -46,6 +46,20 @@ namespace SDL
         [Macro]
         public static uint SDL_FOURCC(byte A, byte B, byte C, byte D) => (uint)((A << 0) | (B << 8) | (C << 16) | (D << 24));
 
+        [Macro]
+        public static unsafe void SDL_INIT_INTERFACE(out SDL_IOStreamInterface iface)
+        {
+            iface = default;
+            iface.version = (uint)sizeof(SDL_IOStreamInterface);
+        }
+
+        [Macro]
+        public static unsafe void SDL_INIT_INTERFACE(out SDL_StorageInterface iface)
+        {
+            iface = default;
+            iface.version = (uint)sizeof(SDL_StorageInterface);
+        }
+
         public static unsafe void SDL_free(void* mem) => SDL_free((IntPtr)mem);
     }
 }