Fix IID for 'ISwapChainPanelNative' on UWP

Sergio0694 · Sep 29, 2024 · da98a03 · da98a03
1 parent 93ac8ef
commit da98a03
Show file tree

Hide file tree

Showing 3 changed files with 56 additions and 3 deletions.
diff --git a/src/ComputeSharp.UI/ComputeSharp.UI.projitems b/src/ComputeSharp.UI/ComputeSharp.UI.projitems
@@ -17,6 +17,7 @@
     <Compile Include="$(MSBuildThisFileDirectory)Extensions\IDXGIAdapterExtensions.cs" />
     <Compile Include="$(MSBuildThisFileDirectory)Extensions\SemaphoreSlimExtensions.cs" />
     <Compile Include="$(MSBuildThisFileDirectory)Helpers\DynamicResolutionManager.cs" />
+    <Compile Include="$(MSBuildThisFileDirectory)Helpers\SwapChainManager.IID.cs" />
     <Compile Include="$(MSBuildThisFileDirectory)Helpers\SwapChainManager.cs" />
     <Compile Include="$(MSBuildThisFileDirectory)Helpers\SwapChainManager.Rendering.cs" />
     <Compile Include="$(MSBuildThisFileDirectory)IFrameRequestQueue.cs" />

diff --git a/src/ComputeSharp.UI/Helpers/SwapChainManager.IID.cs b/src/ComputeSharp.UI/Helpers/SwapChainManager.IID.cs
@@ -0,0 +1,54 @@
+using System;
+using System.Runtime.CompilerServices;
+using System.Runtime.InteropServices;
+
+#if WINDOWS_UWP
+namespace ComputeSharp.Uwp.Helpers;
+#else
+namespace ComputeSharp.WinUI.Helpers;
+#endif
+
+/// <inheritdoc/>
+partial class SwapChainManager<TOwner>
+{
+    /// <summary>
+    /// Gets the IID of <see cref="Win32.ISwapChainPanelNative"/>.
+    /// </summary>
+    private static unsafe Guid* IID_ISwapChainPanelNative
+    {
+        [MethodImpl(MethodImplOptions.AggressiveInlining)]
+        get
+        {
+            ReadOnlySpan<byte> data =
+            [
+#if WINDOWS_UWP
+                0xD2, 0x19, 0x2F, 0xF9,
+                0xDE, 0x3A,
+                0xA6, 0x45,
+                0xA2,
+                0x0C,
+                0xF6,
+                0xF1,
+                0xEA,
+                0x90,
+                0x55,
+                0x4B
+#else
+                0xB8, 0xD0, 0xAA, 0x63,
+                0x24, 0x7C,
+                0xFF, 0x40,
+                0x85,
+                0xA8,
+                0x64,
+                0x0D,
+                0x94,
+                0x4C,
+                0xC3,
+                0x25
+#endif
+            ];
+
+            return (Guid*)Unsafe.AsPointer(ref MemoryMarshal.GetReference(data));
+        }
+    }
+}
diff --git a/src/ComputeSharp.UI/Helpers/SwapChainManager.cs b/src/ComputeSharp.UI/Helpers/SwapChainManager.cs
@@ -233,9 +233,7 @@ public SwapChainManager(TOwner owner, GraphicsDevice device)
         // IDXGISwapChain reference just created and set that as the swap chain panel to use.
         fixed (ISwapChainPanelNative** swapChainPanelNative = this.swapChainPanelNative)
         {
-            Guid guid = new(0x63AAD0B8, 0x7C24, 0x40FF, 0x85, 0xA8, 0x64, 0x0D, 0x94, 0x4C, 0xC3, 0x25);
-
-            ((IWinRTObject)owner).NativeObject.TryAs(guid, out *(nint*)swapChainPanelNative).Assert();
+            ((IWinRTObject)owner).NativeObject.TryAs(*IID_ISwapChainPanelNative, out *(nint*)swapChainPanelNative).Assert();
         }
 
         // Get the underlying ID3D12Device in use