[Build] Generate shaders on build instead of having them checked in

.github/workflows/Windows_build.yml

@@ -68,8 +68,62 @@ jobs:
       - uses: actions/checkout@main
         with:
           fetch-depth: 0
+      - name: Cache Vulkan SDK
+        id: cache-vulkan-sdk
+        uses: actions/cache@v4
+        with:
+          path: C:\VulkanSDK
+          key: ${{ runner.os }}-vulkan-sdk-${{ hashFiles('**/vulkan-sdk.exe') }}
+          restore-keys: |
+            ${{ runner.os }}-vulkan-sdk-
       - name: Setup
-        run: git submodule update --init --depth=1 -j $env:NUMBER_OF_PROCESSORS (Select-String -CaseSensitive '(?<=path = )(?!third_party\/(FidelityFX-(CAS|FSR)|premake-(androidndk|cmake|export-compile-commands))).+' .gitmodules).Matches.Value
+        run: |
+          # Install Vulkan SDK which includes spirv-tools
+          if (Test-Path -Path "C:\VulkanSDK") {
+            echo "Vulkan SDK found in cache."
+          } else {
+            Invoke-WebRequest -Uri "https://sdk.lunarg.com/sdk/download/latest/windows/vulkan-sdk.exe" -OutFile "vulkan-sdk.exe"
+            Start-Process -FilePath "vulkan-sdk.exe" -ArgumentList "--accept-licenses", "--default-answer", "--confirm-command", "install" -Wait
+          }
+          $env:VULKAN_SDK = "C:\VulkanSDK\$(Get-ChildItem -Path 'C:\VulkanSDK' -Directory | Select-Object -First 1 -ExpandProperty Name)"
+          $env:PATH = "$env:VULKAN_SDK\Bin;$env:PATH"
+          echo "VULKAN_SDK=$env:VULKAN_SDK" | Out-File -FilePath $env:GITHUB_ENV -Encoding utf8 -Append
+          echo "$env:VULKAN_SDK\Bin" | Out-File -FilePath $env:GITHUB_PATH -Encoding utf8 -Append
+
+          # Verify shader tools are available
+          $spirvOptPath = "$env:VULKAN_SDK\Bin\spirv-opt.exe"
+          if (Test-Path $spirvOptPath) {
+            & $spirvOptPath --version
+            echo "spirv-opt found at: $spirvOptPath"
+          } else {
+            echo "Warning: spirv-opt.exe not found at expected location"
+          }
+
+          $glslangPath = "$env:VULKAN_SDK\Bin\glslangValidator.exe"
+          if (Test-Path $glslangPath) {
+            & $glslangPath --version
+            echo "glslangValidator found at: $glslangPath"
+          } else {
+            echo "Warning: glslangValidator.exe not found at expected location"
+          }
+
+          $spirvDisPath = "$env:VULKAN_SDK\Bin\spirv-dis.exe"
+          if (Test-Path $spirvDisPath) {
+            echo "spirv-dis found at: $spirvDisPath"
+          } else {
+            echo "Warning: spirv-dis.exe not found at expected location"
+          }
+
+          # Verify FXC is available (from Windows SDK)
+          $fxcPaths = Get-ChildItem -Path "${env:ProgramFiles(x86)}\Windows Kits\10\bin\*\x64\fxc.exe" -ErrorAction SilentlyContinue | Sort-Object FullName
+          if ($fxcPaths) {
+            $fxcPath = $fxcPaths[-1].FullName
+            echo "FXC found at: $fxcPath"
+          } else {
+            echo "Warning: fxc.exe not found in Windows SDK"
+          }
+
+          git submodule update --init --depth=1 -j $env:NUMBER_OF_PROCESSORS (Select-String -CaseSensitive '(?<=path = )(?!third_party\/(premake-(androidndk|cmake|export-compile-commands))).+' .gitmodules).Matches.Value
       - name: Build
         run: python xenia-build.py build --config=Release --target=src\xenia-app
       - name: Prepare artifacts