.github/workflows/windows.yml: cache hip sdk

.github/workflows/windows.yml

@@ -0,0 +1,40 @@
+name: Build (Windows)
+
+on:
+  push:
+  workflow_dispatch:
+
+jobs:
+  build-windows:
+    runs-on: windows-2022
+
+    defaults:
+      run:
+        shell: cmd
+
+    steps:
+    - name: Checkout repo
+      uses: actions/checkout@v4
+      with:
+        fetch-depth: 0
+
+    - name: Setup MSVC
+      uses: ilammy/msvc-dev-cmd@v1
+
+    - name: Setup Ninja
+      run: pip install ninja
+
+    - name: Cache HIP SDK
+      id: cache-hip
+      uses: actions/cache@v4
+      with:
+        path: C:\Program Files\AMD\ROCM
+        key: ${{ runner.os }}-rocm-6.1.2
+
+    - name: Setup HIP
+      if: steps.cache-hip.outputs.cache-hit != 'true'
+      shell: pwsh
+      run: |
+        curl -s -o hip_installer.exe -L https://download.amd.com/developer/eula/rocm-hub/AMD-Software-PRO-Edition-24.Q3-WinSvr2022-For-HIP.exe
+        Start-Process hip_installer.exe -ArgumentList '-install' -NoNewWindow -Wait
+