Deno desktop stuff

2026-09-26 13:25:34 -03:00
parent b68fe3a19f
commit 86d5c39eab
10 changed files with 457 additions and 170 deletions
@@ -0,0 +1,45 @@
+// deno run --allow-read --allow-write desktop/linux_launcher.ts dist/bworld
+// deno desktop has no setting for chromium's command line, but its linux launcher passes its arguments on to chromium.
+// so this moves the launcher to bworld-bin and puts a script in its place that starts it with the switches webgpu
+// needs on some linux setups. run it on the app folder after deno desktop builds it; running it again does nothing
+const SWITCHES = [
+	"--enable-unsafe-webgpu",
+	"--ozone-platform=x11",
+	"--use-angle=vulkan",
+	"--enable-features=Vulkan,VulkanFromANGLE",
+];
+
+const dir = Deno.args[0];
+if (!dir) {
+	console.error("usage: linux_launcher.ts <app folder>, like dist/bworld");
+	Deno.exit(1);
+}
+const name = dir.replace(/\/+$/, "").split("/").pop()!;
+const launcher = `${dir}/${name}`;
+const binary = `${launcher}-bin`;
+
+// already wrapped: the launcher is a script now
+const head = new Uint8Array(4);
+const file = Deno.openSync(launcher);
+file.readSync(head);
+file.close();
+const is_elf = head[0] === 0x7f && head[1] === 0x45 && head[2] === 0x4c && head[3] === 0x46;
+if (!is_elf) {
+	console.log(`${launcher} is already wrapped`);
+	Deno.exit(0);
+}
+
+Deno.renameSync(launcher, binary);
+Deno.writeTextFileSync(
+	launcher,
+	`#!/bin/sh
+# starts ${name} with the chromium switches webgpu needs on some linux setups, see desktop/linux_launcher.ts.
+# BWORLD_CHROMIUM_FLAGS replaces them, set it to "" to start without any
+here="$(dirname "$(readlink -f "$0")")"
+# the binary finds its runtime by its own name, which is ${name}.so and not ${name}-bin.so
+export LAUFEY_RUNTIME_PATH="$here/${name}.so"
+exec "$here/${name}-bin" \${BWORLD_CHROMIUM_FLAGS-${SWITCHES.join(" ")}} "$@"
+`,
+);
+Deno.chmodSync(launcher, 0o755);
+console.log(`Wrapped ${launcher}: ${SWITCHES.join(" ")}`);