Fix dxbcparser build failure: missing d3d12TokenizedProgramFormat.hpp include path

[Copilot]

• Pin CI runner to windows-2022 (has WDK pre-installed)
• Fix dxbcparser missing d3d12TokenizedProgramFormat.hpp at build time by linking to Microsoft::DirectX-Headers
  • The previous fix used DEFINED directx-headers_SOURCE_DIR which is always false (variable is set in d3d12translationlayer's inner scope, not propagated to parent)
  • Correct fix: target_link_libraries(dxbcparser PRIVATE Microsoft::DirectX-Headers) — this target is already available after FetchContent_MakeAvailable(d3d12translationlayer) and correctly propagates the include path

Original prompt

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This section details on the original issue you should resolve

<issue_title>Build failing due to d3d12TokenizedProgramFormat.hpp not found while building dxbcparser</issue_title>
<issue_description>https://github.com/microsoft/D3D9On12/actions/runs/13121201111/job/36607301553?pr=96

Cmake finds the header at configure time

Run cmake -B D:\a\D3D9On12\D3D9On12/build -DUSE_PIX=OFF -DCMAKE_SYSTEM_VERSION="10.0.22621.0"
-- Building for: Visual Studio 1[7](https://github.com/microsoft/D3D9On12/actions/runs/13121201111/job/36607301553?pr=96#step:4:8) 2022
-- The C compiler identification is MSVC 19.42.34436.0
-- The CXX compiler identification is MSVC 1[9](https://github.com/microsoft/D3D9On12/actions/runs/13121201111/job/36607301553?pr=96#step:4:10).42.34436.0
-- Detecting C compiler ABI info
-- Detecting C compiler ABI info - done
-- Check for working C compiler: C:/Program Files/Microsoft Visual Studio/2022/Enterprise/VC/Tools/MSVC/14.42.34433/bin/Hostx64/x64/cl.exe - skipped
-- Detecting C compile features
-- Detecting C compile features - done
-- Detecting CXX compiler ABI info
-- Detecting CXX compiler ABI info - done
-- Check for working CXX compiler: C:/Program Files/Microsoft Visual Studio/2022/Enterprise/VC/Tools/MSVC/14.42.34433/bin/Hostx64/x64/cl.exe - skipped
-- Detecting CXX compile features
-- Detecting CXX compile features - done
-- Performing Test HAVE_DXCORE_LIBRARY
-- Performing Test HAVE_DXCORE_LIBRARY - Success
-- Looking for C++ include d3d[12](https://github.com/microsoft/D3D9On12/actions/runs/13121201111/job/36607301553?pr=96#step:4:13)TokenizedProgramFormat.hpp
-- Looking for C++ include d3d12TokenizedProgramFormat.hpp - found
Adding WDK-dependent project.
-- Adding DxbcSigner NuGet package...
-- Configuring done (44.9s)
-- Generating done (0.1s)
-- Build files have been written to: D:/a/D3D9On12/D3D9On12/build

But then the file isn't found at build time:

1>Checking Build System
  Building Custom Rule D:/a/D3D9On12/D3D9On12/build/_deps/directx-headers-src/CMakeLists.txt
  d3dx[12](https://github.com/microsoft/D3D9On12/actions/runs/13121201111/job/36607301553?pr=96#step:6:13)_property_format_table.cpp
  DirectX-Headers.vcxproj -> D:\a\D3D9On12\D3D9On12\build\_deps\directx-headers-build\RelWithDebInfo\DirectX-Headers.lib
  Building Custom Rule D:/a/D3D9On12/D3D9On12/build/_deps/directx-headers-src/CMakeLists.txt
  dxguids.cpp
  DirectX-Guids.vcxproj -> D:\a\D3D9On12\D3D9On12\build\_deps\directx-headers-build\RelWithDebInfo\DirectX-Guids.lib
  Building Custom Rule D:/a/D3D9On12/D3D9On12/build/_deps/d3d12translationlayer-src/DxbcParser/CMakeLists.txt
  BlobContainer.cpp
  DXBCUtils.cpp
  Generating Code...
D:\a\D3D9On12\D3D9On12\build\_deps\d3d12translationlayer-src\DxbcParser\include\dxbcutils.h(5,10): error C1083: Cannot open include file: 'd3d12TokenizedProgramFormat.hpp': No such file or directory [D:\a\D3D9On12\D3D9On12\build\_deps\d3d12translationlayer-build\DxbcParser\dxbcparser.vcxproj]
  (compiling source file '../../d3d12translationlayer-src/DxbcParser/src/BlobContainer.cpp')
  
D:\a\D3D9On12\D3D9On12\build\_deps\d3d12translationlayer-src\DxbcParser\include\dxbcutils.h(5,10): error C1083: Cannot open include file: 'd3d12TokenizedProgramFormat.hpp': No such file or directory [D:\a\D3D9On12\D3D9On12\build\_deps\d3d12translationlayer-build\DxbcParser\dxbcparser.vcxproj]
  (compiling source file '../../d3d12translationlayer-src/DxbcParser/src/DXBCUtils.cpp')
```</issue_description>

<agent_instructions>Something seems misconfigured with the PR build. Please figure out what is wrong and propose a fix</agent_instructions>

## Comments on the Issue (you are @copilot in this section)

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</comments>

• Fixes Build failing due to d3d12TokenizedProgramFormat.hpp not found while building dxbcparser #97

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