fix running compiled code in sketcher, hackily for now

jmgrosen · Jun 1, 2024 · b45653f · b45653f
1 parent 3f3d323
commit b45653f
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Showing 2 changed files with 9 additions and 1 deletion.
diff --git a/runtime/src/lib.rs b/runtime/src/lib.rs
@@ -2,6 +2,7 @@
 
 use core::arch::wasm32;
 use core::ptr;
+use core::mem;
 use core::slice;
 
 pub type ClockyFunc = extern "C" fn(*const Closure) -> *const ();
@@ -44,6 +45,13 @@ pub unsafe extern "C" fn sample(mut s: *const Stream, n: u32, out_ptr: *mut f32)
     s
 }
 
+#[no_mangle]
+pub unsafe extern "C" fn apply_clock(clos: *const Closure, clk: *const ()) -> *const () {
+    assert_eq!((*clos).arity, 1);
+    let func: extern "C" fn(*const Closure, *const ()) -> *const () = mem::transmute((*clos).func);
+    func(clos, clk)
+}
+
 #[cfg(not(test))]
 #[panic_handler]
 fn panic(_: &core::panic::PanicInfo<'_>) -> ! {

diff --git a/sketching/processor.js b/sketching/processor.js
@@ -14,7 +14,7 @@ class ClockyStreamProcessor extends AudioWorkletProcessor {
         console.log("instantiated");
         this.instance = instance;
         this.first = true;
-        this.stream = instance.exports.main;
+        this.stream = instance.exports.apply_clock(instance.exports.main, 0);
         this.samples_ptr = instance.exports.alloc(4 * 128);
       });
     };