Add a script to install Direct3D 12 SDK components

.gitignore

@@ -35,6 +35,9 @@ bin
 compile_commands.json
 platform/windows/godot_res.res
 
+# Downloaded by `misc/scripts/install_dxcompiler_windows.ps1`
+platform/windows/dxc/
+
 # Generated by Godot binary
 .import/
 /gdextension_interface.h

misc/scripts/install_d3d12_sdk_windows.ps1

@@ -0,0 +1,82 @@
+# DirectX Shader Compiler
+
+$dxc_filename="dxc_2023_08_14.zip"
+Write-Output "Downloading DirectX Shader Compiler $dxc_filename ..."
+Invoke-WebRequest -Uri https://github.com/microsoft/DirectXShaderCompiler/releases/download/v1.7.2308/$dxc_filename -OutFile "$env:TEMP\$dxc_filename"
+
+if (Test-Path "$env:LOCALAPPDATA\dxc") {
+    Write-Output "Removing existing local DirectX Shader Compiler installation in $env:LOCALAPPDATA\dxc ..."
+    # Remove existing local DirectX Shader Compiler if present to allow for updates.
+    Remove-Item -Recurse -Force "$env:LOCALAPPDATA\dxc"
+}
+
+Write-Output "Extracting DirectX Shader Compiler $dxc_filename ..."
+Expand-Archive "$env:TEMP\$dxc_filename" -DestinationPath "$env:LOCALAPPDATA\dxc"
+
+# Remove the original archive as it's not required anymore.
+Remove-Item -Recurse -Force "$env:TEMP\$dxc_filename"
+
+Write-Output "DirectX Shader Compiler $dxc_filename installed successfully.`n"
+
+# Mesa NIR
+
+$mesa_filename="godot-nir-23.1.0-1-devel.zip"
+Write-Output "Downloading Mesa NIR $mesa_filename ..."
+Invoke-WebRequest -Uri https://github.com/godotengine/godot-nir-static/releases/download/23.1.0-devel/$mesa_filename -OutFile "$env:TEMP\$mesa_filename"
+
+if (Test-Path "$env:LOCALAPPDATA\mesa") {
+    Write-Output "Removing existing local Mesa NIR installation in $env:LOCALAPPDATA\mesa ..."
+    # Remove existing local Mesa NIR if present to allow for updates.
+    Remove-Item -Recurse -Force "$env:LOCALAPPDATA\mesa"
+}
+
+Write-Output "Extracting Mesa NIR $mesa_filename ..."
+Expand-Archive "$env:TEMP\$mesa_filename" -DestinationPath "$env:LOCALAPPDATA\mesa"
+
+# Remove the original archive as it's not required anymore.
+Remove-Item -Recurse -Force "$env:TEMP\$mesa_filename"
+
+Write-Output "Mesa NIR $mesa_filename installed successfully.`n"
+
+# WinPixEventRuntime
+
+$pix_version="1.0.231030001"
+Write-Output "Downloading WinPixEventRuntime $pix_version ..."
+Invoke-WebRequest -Uri https://www.nuget.org/api/v2/package/WinPixEventRuntime/$pix_version -OutFile "$env:TEMP\$pix_version"
+
+if (Test-Path "$env:LOCALAPPDATA\pix") {
+    Write-Output "Removing existing local WinPixEventRuntime installation in $env:LOCALAPPDATA\pix ..."
+    # Remove existing local WinPixEventRuntime if present to allow for updates.
+    Remove-Item -Recurse -Force "$env:LOCALAPPDATA\pix"
+}
+
+Write-Output "Extracting WinPixEventRuntime $pix_version ..."
+Expand-Archive "$env:TEMP\$pix_version" -DestinationPath "$env:LOCALAPPDATA\pix"
+
+# Remove the original archive as it's not required anymore.
+Remove-Item -Recurse -Force "$env:TEMP\$pix_version"
+
+Write-Output "WinPixEventRuntime $pix_version installed successfully.`n"
+
+# DirectX 12 Agility SDK
+
+$agility_sdk_version="1.611.2"
+Write-Output "Downloading DirectX 12 Agility SDK $agility_sdk_version ..."
+Invoke-WebRequest -Uri https://www.nuget.org/api/v2/package/Microsoft.Direct3D.D3D12/$agility_sdk_version -OutFile "$env:TEMP\$agility_sdk_version"
+
+if (Test-Path "$env:LOCALAPPDATA\agility_sdk") {
+    Write-Output "Removing existing local DirectX 12 Agility SDK installation in $env:LOCALAPPDATA\agility_sdk ..."
+    # Remove existing local DirectX 12 Agility SDK if present to allow for updates.
+    Remove-Item -Recurse -Force "$env:LOCALAPPDATA\agility_sdk"
+}
+
+Write-Output "Extracting DirectX 12 Agility SDK $agility_sdk_version ..."
+Expand-Archive "$env:TEMP\$agility_sdk_version" -DestinationPath "$env:LOCALAPPDATA\agility_sdk"
+
+# Remove the original archive as it's not required anymore.
+Remove-Item -Recurse -Force "$env:TEMP\$agility_sdk_version"
+
+Write-Output "DirectX 12 Agility SDK $agility_sdk_version installed successfully.`n"
+
+Write-Output "All Direct3D 12 SDK components were installed successfully!"
+Write-Output 'You can now build Godot with Direct3D 12 support enabled by running "scons d3d12=yes" with MSVC installed (MinGW builds are currently not supported).'

platform/windows/detect.py

@@ -188,11 +188,11 @@ def get_opts():
         BoolVariable("incremental_link", "Use MSVC incremental linking. May increase or decrease build times.", False),
         ("angle_libs", "Path to the ANGLE static libraries", ""),
         # Direct3D 12 support.
-        ("mesa_libs", "Path to the MESA/NIR static libraries (required for D3D12)", ""),
-        ("dxc_path", "Path to the DirectX Shader Compiler distribution (required for D3D12)", ""),
-        ("agility_sdk_path", "Path to the Agility SDK distribution (optional for D3D12)", ""),
+        ("mesa_libs", "Path to the MESA/NIR static libraries (required for D3D12)", f"{os.getenv("LOCALAPPDATA")}/mesa"),
+        ("dxc_path", "Path to the DirectX Shader Compiler distribution (required for D3D12)", f"{os.getenv("LOCALAPPDATA")}/dxc"),
+        ("agility_sdk_path", "Path to the Agility SDK distribution (optional for D3D12)", f"{os.getenv("LOCALAPPDATA")}/agility_sdk"),
         ("agility_sdk_multiarch", "Whether the Agility SDK DLLs will be stored in arch-specific subdirectories", False),
-        ("pix_path", "Path to the PIX runtime distribution (optional for D3D12)", ""),
+        ("pix_path", "Path to the PIX runtime distribution (optional for D3D12)", f"{os.getenv("LOCALAPPDATA")}/pix"),
     ]