Mohamad Al-Jaf : include: Add DirectXAlphaMode enum.

[Alexandre Julliard]

Module: wine
Branch: master
Commit: 58e6c4d11cd79bb35977c03ac0b09c1c515eb6d1
URL:    https://gitlab.winehq.org/wine/wine/-/commit/58e6c4d11cd79bb35977c03ac0b09c1...

Author: Mohamad Al-Jaf 
Date:   Thu Mar 30 02:17:39 2023 -0400

include: Add DirectXAlphaMode enum.

Needed for mingw Firefox build.

---

include/windows.graphics.directx.idl | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/include/windows.graphics.directx.idl b/include/windows.graphics.directx.idl
index 251d3d20f2a..45961ec983e 100644
--- a/include/windows.graphics.directx.idl
+++ b/include/windows.graphics.directx.idl
@@ -27,6 +27,7 @@ import "windowscontracts.idl";
 import "windows.foundation.idl";

namespace Windows.Graphics.DirectX {
+    typedef enum DirectXAlphaMode DirectXAlphaMode;
     typedef enum DirectXPixelFormat DirectXPixelFormat;

declare {
@@ -35,6 +36,17 @@ namespace Windows.Graphics.DirectX {
         interface Windows.Foundation.Collections.IVectorView<Windows.Graphics.DirectX.DirectXPixelFormat>;
     }

+    [
+        contract(Windows.Foundation.UniversalApiContract, 2.0)
+    ]
+    enum DirectXAlphaMode
+    {
+        Unspecified   = 0,
+        Premultiplied = 1,
+        Straight      = 2,
+        Ignore        = 3,
+    };
+
     [
         contract(Windows.Foundation.UniversalApiContract, 1.0)
     ]