Merge branch 'vulkan' of https://github.com/allkern/iris into vulkan

Author: allkern

.github/workflows/macos.yml

@@ -13,6 +13,12 @@ jobs:
       with:
         submodules: 'recursive'
         fetch-depth: 0
+    - name: Prepare Vulkan SDK
+      uses: humbletim/setup-vulkan-sdk@v1.2.1
+      with:
+        vulkan-query-version: 1.4.304.1
+        vulkan-components: Vulkan-Headers, Vulkan-Loader
+        vulkan-use-cache: true
     - name: Build and pack Iris
       run: |
         git fetch --all --tags
@@ -28,3 +34,4 @@ jobs:
 
 
 
+