Build with GDK

.github/workflows/build-windows.yml

@@ -162,3 +162,140 @@ jobs:
         with:
           name: butterscotch-windows-${{ matrix.arch }}
           path: build/butterscotch.exe
+
+
+  build-x64-gdk:
+    name: Build (x64 GDK)
+    runs-on: windows-2025
+
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v7
+
+      - name: Cache GDK
+        id: cache-gdk
+        uses: actions/cache@v4
+        with:
+          path: ${{ runner.temp }}\gdk-cache
+          key: gdk-${{ runner.os }}-x64
+
+      - name: Install or restore GDK
+        shell: pwsh
+        run: |
+          $cacheRoot = Join-Path '${{ runner.temp }}' 'gdk-cache'
+          $installRoots = @(
+            "${env:ProgramFiles}\Microsoft GDK",
+            "${env:ProgramFiles(x86)}\Microsoft GDK"
+          )
+
+          $gdkRoot = $installRoots |
+            Where-Object { $_ -and (Test-Path $_) } |
+            Select-Object -First 1
+
+          if ("${{ steps.cache-gdk.outputs.cache-hit }}" -eq "true") {
+            $cached = @(
+              (Join-Path $cacheRoot 'Microsoft GDK'),
+              (Join-Path $cacheRoot 'MicrosoftGDK'),
+              $cacheRoot
+            ) |
+              Where-Object { $_ -and (Test-Path $_) } |
+              Select-Object -First 1
+
+            if (-not $cached) {
+              throw "Cached GDK directory was not found in $cacheRoot."
+            }
+
+            if (-not $gdkRoot) {
+              $gdkRoot = "${env:ProgramFiles}\Microsoft GDK"
+            }
+
+            if (Test-Path $gdkRoot) {
+              Remove-Item $gdkRoot -Recurse -Force
+            }
+
+            Copy-Item $cached $gdkRoot -Recurse -Force
+          }
+          else {
+            winget install Microsoft.Gaming.GDK `
+              --accept-package-agreements `
+              --accept-source-agreements `
+              --silent
+
+            $gdkRoot = $installRoots |
+              Where-Object { $_ -and (Test-Path $_) } |
+              Select-Object -First 1
+
+            if (-not $gdkRoot) {
+              throw "Microsoft GDK was not found under Program Files after installation."
+            }
+
+            New-Item -ItemType Directory -Force -Path $cacheRoot | Out-Null
+            Copy-Item $gdkRoot (Join-Path $cacheRoot 'Microsoft GDK') -Recurse -Force
+          }
+
+          if (-not $gdkRoot) {
+            throw "Microsoft GDK was not found under Program Files after restore."
+          }
+
+          "GDK=$gdkRoot" | Out-File -FilePath $env:GITHUB_ENV -Append
+          "GDKX=$gdkRoot" | Out-File -FilePath $env:GITHUB_ENV -Append
+
+      - name: Install Ninja
+        uses: seanmiddleditch/gha-setup-ninja@v5
+
+      - name: Cache SDL2 build
+        id: cache-sdl2
+        uses: actions/cache@v6
+        with:
+          path: ${{ github.workspace }}/vendor/SDL2/install
+          key: sdl2-gdk-${{ runner.os }}-2.32.10-rev2
+
+      - name: Checkout SDL2
+        if: steps.cache-sdl2.outputs.cache-hit != 'true'
+        uses: actions/checkout@v7
+        with:
+          repository: libsdl-org/SDL
+          ref: release-2.32.10
+          path: vendor/SDL2
+
+      - name: Build SDL2 from source
+        if: steps.cache-sdl2.outputs.cache-hit != 'true'
+        shell: pwsh
+        run: |
+          $workspace = $env:GITHUB_WORKSPACE
+          $gdkScript = Join-Path $workspace 'scripts\invoke-gdk.ps1'
+          $sdlSrc = Join-Path $workspace 'vendor\SDL2'
+          $sdlBuild = Join-Path $sdlSrc 'build'
+          $sdlInstall = Join-Path $workspace 'vendor\SDL2\install'
+          $cmakeCommand = "cmake -S `"$sdlSrc`" -B `"$sdlBuild`" -G `"Visual Studio 18 2026`" -A x64 -DCMAKE_BUILD_TYPE=Release -DCMAKE_INSTALL_PREFIX=`"$sdlInstall`" -DSDL_SHARED=OFF -DSDL_STATIC=ON -DSDL_TESTS=OFF -DSDL_GDK=ON"
+          & $gdkScript $cmakeCommand
+          & $gdkScript "cmake --build `"$sdlBuild`" --config Release"
+          & $gdkScript "cmake --install `"$sdlBuild`""
+
+      - name: Configure Butterscotch
+        shell: pwsh
+        run: |
+          if (Test-Path "$env:GITHUB_WORKSPACE/build") {
+            Remove-Item "$env:GITHUB_WORKSPACE/build" -Recurse -Force
+          }
+
+          $workspace = $env:GITHUB_WORKSPACE
+          $gdkScript = Join-Path $workspace 'scripts\invoke-gdk.ps1'
+          $buildDir = Join-Path $workspace 'build'
+          $sdlDir = Join-Path $workspace 'vendor\SDL2\install'
+          $cmakeCommand = "cmake -S `"$workspace`" -B `"$buildDir`" -G `"Visual Studio 18 2026`" -A x64 -DBACKEND=sdl2 -DIS_GDK=ON -DSDL2_DIR=`"$sdlDir`" -DCMAKE_PREFIX_PATH=`"$sdlDir`" -DCMAKE_BUILD_TYPE=Release -DWERROR=ON"
+          & $gdkScript $cmakeCommand
+
+      - name: Build Butterscotch
+        shell: pwsh
+        run: |
+          $workspace = $env:GITHUB_WORKSPACE
+          $gdkScript = Join-Path $workspace 'scripts\invoke-gdk.ps1'
+          $buildDir = Join-Path $workspace 'build'
+          & $gdkScript "cmake --build `"$buildDir`" --config Release"
+
+      - name: Upload artifact
+        uses: actions/upload-artifact@v7
+        with:
+          name: butterscotch-gdk
+          path: build/**/*

.github/workflows/build.yml

@@ -24,6 +24,6 @@ jobs:
 
   Other:
     uses: ./.github/workflows/build-other.yml
-
+  
   Compilers:
     uses: ./.github/workflows/build-old-compilers.yml