make poly realtime-safe (#35)

russellmcc · Feb 11, 2025 · 3f3077c · 3f3077c
1 parent f6f219e
commit 3f3077c
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Showing 3 changed files with 13 additions and 3 deletions.
diff --git a/Cargo.lock b/Cargo.lock
diff --git a/rust/poly/Cargo.toml b/rust/poly/Cargo.toml
@@ -13,3 +13,4 @@ workspace = true
 
 [dependencies]
 conformal_component = { version = "0.0.0", path = "../component" }
+arrayvec = "0.7.6"
diff --git a/rust/poly/src/state.rs b/rust/poly/src/state.rs
@@ -52,11 +52,13 @@ pub struct Voice {
     expression: NoteExpressionState,
 }
 
+const MAX_VOICES: usize = 32;
+
 #[derive(Clone, Debug, PartialEq)]
 pub struct State {
-    voices: Vec<Voice>,
+    voices: arrayvec::ArrayVec<Voice, MAX_VOICES>,
 
-    voices_compress_order_scratch: Vec<(usize, usize)>,
+    voices_compress_order_scratch: arrayvec::ArrayVec<(usize, usize), MAX_VOICES>,
 }
 
 struct EventStreamStep {
@@ -172,7 +174,7 @@ impl State {
                     expression: NoteExpressionState::default(),
                 })
                 .collect(),
-            voices_compress_order_scratch: Vec::with_capacity(max_voices),
+            voices_compress_order_scratch: Default::default(),
         }
     }
Original file line number	Diff line number	Diff line change
Expand Up		@@ -13,3 +13,4 @@ workspace = true

		[dependencies]
		conformal_component = { version = "0.0.0", path = "../component" }
		arrayvec = "0.7.6"