From 8a81e362c3d48c752fcf0f072fc0fa25d442a05d Mon Sep 17 00:00:00 2001
From: Kuldeep LNU <kuldeeplnu@microsoft.com>
Date: Thu, 12 Sep 2024 04:08:11 +0530
Subject: [PATCH] Porting workaround for D3DCompiler redist incompat from
 release/9.0-rc1 to release/6.0

---
 global.json                                                 | 1 +
 .../redist/D3DCompiler/D3DCompiler.vcxproj                  | 6 ++++--
 2 files changed, 5 insertions(+), 2 deletions(-)

diff --git a/global.json b/global.json
index f59d50c29fe..82c98286984 100644
--- a/global.json
+++ b/global.json
@@ -21,6 +21,7 @@
   "native-tools": {
     "strawberry-perl": "5.28.1.1-1",
     "net-framework-48-ref-assemblies": "0.0.0.1",
+    "windows-sdk-d3d-redist": "1.0.0",
     "dotnet-api-docs_net6.0": "0.0.0.4"
   }
 }
diff --git a/src/Microsoft.DotNet.Wpf/redist/D3DCompiler/D3DCompiler.vcxproj b/src/Microsoft.DotNet.Wpf/redist/D3DCompiler/D3DCompiler.vcxproj
index 9dd3c1bb39f..a1fde1426a5 100644
--- a/src/Microsoft.DotNet.Wpf/redist/D3DCompiler/D3DCompiler.vcxproj
+++ b/src/Microsoft.DotNet.Wpf/redist/D3DCompiler/D3DCompiler.vcxproj
@@ -33,8 +33,10 @@
   </PropertyGroup>
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.props" />
   <PropertyGroup>
-    <!-- ARM64 will use the windows\system32 version --> 
-    <RedistSourcePath>$(Windows10SdkPath)Redist\D3D\$(Architecture)\$(D3DCompilerDllBaseName)$(D3DCompilerVersion).dll</RedistSourcePath>
+   <!-- ARM64 will use the windows\system32 version -->
+    <!-- ISSUE!! https://github.com/dotnet/wpf/issues/9670: An updated D3D Redist is incompatible with Win10, at least when built with the 19041 Windows SDK. This is
+         a temporary workaround for this issue. We pull from netcore native assets instead. -->
+    <RedistSourcePath>$(RepositoryToolsDir)native\bin\windows-sdk-d3d-redist\1.0.0\D3D\$(Architecture)\$(D3DCompilerDllBaseName)$(D3DCompilerVersion).dll</RedistSourcePath>
   </PropertyGroup>
   <PropertyGroup Label="Globals">
     <VCProjectVersion>16.0</VCProjectVersion>