web: Enable the bulk-memory WebAssembly extension

.cargo/config.toml

@@ -1,2 +1,6 @@
 [target.wasm32-unknown-unknown]
-rustflags=["--cfg=web_sys_unstable_apis"]
+rustflags=["--cfg=web_sys_unstable_apis", "-C", "target-feature=+bulk-memory"]
+
+# on Windows, in release builds, link to CRT statically
+[target.'cfg(all(windows, not(debug_assertions)))']
+rustflags = ["-C", "target-feature=+crt-static"]

.github/workflows/release_nightly.yml

@@ -91,12 +91,10 @@ jobs:
           - build_name: windows-x86_32
             os: windows-latest
             target: i686-pc-windows-msvc
-            RUSTFLAGS: -Ctarget-feature=+crt-static
 
           - build_name: windows-x86_64
             os: windows-latest
             target: x86_64-pc-windows-msvc
-            RUSTFLAGS: -Ctarget-feature=+crt-static
 
     env:
       PACKAGE_FILE: ${{ needs.create-nightly-release.outputs.package_prefix }}-${{ matrix.build_name }}.${{ startsWith(matrix.build_name, 'win') && 'zip' || 'tar.gz' }}
@@ -137,8 +135,6 @@ jobs:
         with:
           command: build
           args: --package ruffle_desktop --release ${{ matrix.target && '--target' }} ${{ matrix.target }}
-        env:
-          RUSTFLAGS: ${{ matrix.RUSTFLAGS }}
 
       - name: Package common
         run: |

web/packages/core/src/ruffle-player.ts

@@ -30,6 +30,7 @@ const enum PanicError {
     Unknown,
     CSPConflict,
     FileProtocol,
+    NoWasmBulkMemory,
     InvalidWasm,
     JavascriptConfiguration,
     JavascriptConflict,
@@ -398,6 +399,13 @@ export class RufflePlayer extends HTMLElement {
                     e.ruffleIndexError = PanicError.WasmCors;
                 } else if (message.includes("disallowed by embedder")) {
                     e.ruffleIndexError = PanicError.CSPConflict;
+                } else if (
+                    message.includes("doesn't parse") &&
+                    message.includes("references are not enabled")
+                ) {
+                    // The "reference-types" extension is now based on the "bulk-memory" one,
+                    // hence the misleading error message from Safari.
+                    e.ruffleIndexError = PanicError.NoWasmBulkMemory;
                 } else if (e.name === "CompileError") {
                     e.ruffleIndexError = PanicError.InvalidWasm;
                 } else if (
@@ -1155,6 +1163,18 @@ export class RufflePlayer extends HTMLElement {
                     <li><a href="#" id="panic-view-details">View Error Details</a></li>
                 `;
                 break;
+            case PanicError.NoWasmBulkMemory:
+                // The browser does not support WebAssembly bulk memory, most likely Safari <15
+                errorBody = `
+                    <p>It seems like your browser has no support for the "Bulk Memory Operations" WebAssembly extension.</p>
+                    <p>This is required for Ruffle to work efficiently, so please update your browser.</p>
+                    <p>See the Ruffle wiki for the list of supported browsers and their minimum versions.</p>
+                `;
+                errorFooter = `
+                    <li><a target="_top" href="https://github.com/ruffle-rs/ruffle/wiki#web">View Ruffle Wiki</a></li>
+                    <li><a href="#" id="panic-view-details">View Error Details</a></li>
+                `;
+                break;
             case PanicError.InvalidWasm:
                 // Self hosted: Cannot load `.wasm` file - incorrect configuration or missing files
                 errorBody = `

web/packages/extension/README.md

@@ -8,7 +8,7 @@ It automatically negotiates with websites that do have Ruffle installed, to ensu
 
 ## Using ruffle-extension
 
-The browser extension works in Chrome, Firefox, and Safari 14+.
+The browser extension works in Chrome, Firefox, and Safari 15+.
 
 Before you can install the extension, you must either download the [latest release](https://github.com/ruffle-rs/ruffle/releases) or [build it yourself](../../README.md).