Metabolism: browser fix — the arena stays a plain ArrayBuffer unless a region pool will share it; vite serves cross-origin-isolation headers so the browser can opt into SAB

2026-10-28 15:33:07 +01:00
parent d6e97a2b52
commit cfc0bddb1f
2 changed files with 25 additions and 1 deletions
@@ -142,4 +142,20 @@ function songBankPlugin() {

 export default defineConfig({
    plugins: [songBankPlugin()],
+    // Cross-origin isolation: browsers expose SharedArrayBuffer only when
+    // both headers are present. The region pool needs it once the sim runs
+    // inside a browser worker; the demo is fully same-origin, so requiring
+    // corp costs nothing here.
+    server: {
+        headers: {
+            'Cross-Origin-Opener-Policy': 'same-origin',
+            'Cross-Origin-Embedder-Policy': 'require-corp',
+        },
+    },
+    preview: {
+        headers: {
+            'Cross-Origin-Opener-Policy': 'same-origin',
+            'Cross-Origin-Embedder-Policy': 'require-corp',
+        },
+    },
 });