Revert "Update parallel raytracing .gitignore (#3606)"

daxpedda · daxpedda · commit 18b1d9f292d3 · 2023-09-28T09:36:18.000+02:00
This reverts commit 792be2d.
diff --git a/examples/raytrace-parallel/.gitignore b/examples/raytrace-parallel/.gitignore
@@ -0,0 +1,2 @@
+raytrace_parallel.js
+raytrace_parallel_bg.wasm
diff --git a/examples/raytrace-parallel/README.md b/examples/raytrace-parallel/README.md
@@ -9,7 +9,9 @@ online][compiled]
 You can build the example locally with:
 
 ```
-$ python3 run.py
+$ ./run.sh
 ```
 
+(or running the commands on Windows manually)
+
 and then visiting http://localhost:8080 in a browser should run the example!
diff --git a/examples/raytrace-parallel/build.py b/examples/raytrace-parallel/build.py
diff --git a/examples/raytrace-parallel/build.sh b/examples/raytrace-parallel/build.sh
@@ -2,4 +2,22 @@
 
 set -ex
 
-python3 build.py
+# A couple of steps are necessary to get this build working which makes it slightly
+# nonstandard compared to most other builds.
+#
+# * First, the Rust standard library needs to be recompiled with atomics
+#   enabled. to do that we use Cargo's unstable `-Zbuild-std` feature.
+#
+# * Next we need to compile everything with the `atomics` and `bulk-memory`
+#   features enabled, ensuring that LLVM will generate atomic instructions,
+#   shared memory, passive segments, etc.
+
+RUSTFLAGS='-C target-feature=+atomics,+bulk-memory,+mutable-globals' \
+  cargo build --target wasm32-unknown-unknown --release -Z build-std=std,panic_abort
+
+# Note the usage of `--target no-modules` here which is required for passing
+# the memory import to each wasm module.
+cargo run -p wasm-bindgen-cli -- \
+  ../../target/wasm32-unknown-unknown/release/raytrace_parallel.wasm \
+  --out-dir . \
+  --target no-modules
diff --git a/examples/raytrace-parallel/index.html b/examples/raytrace-parallel/index.html
@@ -219,7 +219,7 @@
       document.getElementById('render').disabled = true;
       document.getElementById('concurrency').disabled = true;
     </script>
-    <script src='pkg/raytrace_parallel.js'></script>
+    <script src='raytrace_parallel.js'></script>
     <script src='index.js'></script>
   </body>
 </html>
diff --git a/examples/raytrace-parallel/run.py b/examples/raytrace-parallel/run.py
diff --git a/examples/raytrace-parallel/run.sh b/examples/raytrace-parallel/run.sh
@@ -2,6 +2,6 @@
 
 set -ex
 
-python3 build.py
+./build.sh
 
 python3 server.py
diff --git a/examples/raytrace-parallel/worker.js b/examples/raytrace-parallel/worker.js
@@ -1,5 +1,5 @@
 // synchronously, using the browser, import out shim JS scripts
-importScripts('pkg/raytrace_parallel.js');
+importScripts('raytrace_parallel.js');
 
 // Wait for the main thread to send us the shared module/memory. Once we've got
 // it, initialize it all with the `wasm_bindgen` global we imported via
diff --git a/examples/wasm-audio-worklet/README.md b/examples/wasm-audio-worklet/README.md
@@ -9,7 +9,7 @@ online][compiled]
 You can build the example locally with:
 
 ```
-$ python3 run.py
+$ ./run.sh
 ```
 
 (or running the commands on Windows manually)
diff --git a/examples/wasm-audio-worklet/build.py b/examples/wasm-audio-worklet/build.py
diff --git a/examples/wasm-audio-worklet/build.sh b/examples/wasm-audio-worklet/build.sh
@@ -2,4 +2,21 @@
 
 set -ex
 
-python3 build.py
+# A couple of steps are necessary to get this build working which makes it slightly
+# nonstandard compared to most other builds.
+#
+# * First, the Rust standard library needs to be recompiled with atomics
+#   enabled. to do that we use Cargo's unstable `-Zbuild-std` feature.
+#
+# * Next we need to compile everything with the `atomics` and `bulk-memory`
+#   features enabled, ensuring that LLVM will generate atomic instructions,
+#   shared memory, passive segments, etc.
+
+RUSTFLAGS='-C target-feature=+atomics,+bulk-memory,+mutable-globals' \
+  cargo build --target wasm32-unknown-unknown --release -Z build-std=std,panic_abort
+
+cargo run -p wasm-bindgen-cli -- \
+  ../../target/wasm32-unknown-unknown/release/wasm_audio_worklet.wasm \
+  --out-dir . \
+  --target web \
+  --split-linked-modules
diff --git a/examples/wasm-audio-worklet/index.html b/examples/wasm-audio-worklet/index.html
@@ -5,7 +5,7 @@
     </head>
     <body>
         <script type="module">
-            import init, {web_main} from "./pkg/wasm_audio_worklet.js";
+            import init, {web_main} from "./wasm_audio_worklet.js";
             async function run() {
                 await init();
                 web_main();
diff --git a/examples/wasm-audio-worklet/run.py b/examples/wasm-audio-worklet/run.py
diff --git a/examples/wasm-audio-worklet/run.sh b/examples/wasm-audio-worklet/run.sh
@@ -2,6 +2,6 @@
 
 set -ex
 
-python3 build.py
+./build.sh
 
 python3 server.py

Original file line number	Diff line number	Diff line change
`@@ -0,0 +1,2 @@`
	`1`	`+raytrace_parallel.js`
	`2`	`+raytrace_parallel_bg.wasm`