Fix some fatal failures related to rendered frame memory size limits

node-graph/gcore/src/raster.rs

@@ -341,11 +341,12 @@ mod image {
 
 	impl Hash for Image {
 		fn hash<H: Hasher>(&self, state: &mut H) {
-			const HASH_SAMPLES: usize = 1000;
+			const HASH_SAMPLES: u64 = 1000;
+			let data_length = self.data.len() as u64;
 			self.width.hash(state);
 			self.height.hash(state);
-			for i in 0..HASH_SAMPLES.min(self.data.len()) {
-				self.data[i * self.data.len() / HASH_SAMPLES].hash(state);
+			for i in 0..HASH_SAMPLES.min(data_length) {
+				self.data[(i * data_length / HASH_SAMPLES) as usize].hash(state);
 			}
 		}
 	}

node-graph/gstd/src/memo.rs

@@ -1,9 +1,9 @@
+use graphene_core::Node;
+
 use std::hash::{Hash, Hasher};
 use std::marker::PhantomData;
 use xxhash_rust::xxh3::Xxh3;
 
-use graphene_core::Node;
-
 /// Caches the output of a given Node and acts as a proxy
 #[derive(Default)]
 pub struct CacheNode<T, CachedNode> {

node-graph/interpreted-executor/src/executor.rs

@@ -42,7 +42,10 @@ impl DynamicExecutor {
 		self.output = proto_network.output;
 		self.typing_context.update(&proto_network)?;
 		trace!("setting output to {}", self.output);
-		self.tree.update(proto_network, &self.typing_context)?;
+		let orphans = self.tree.update(proto_network, &self.typing_context)?;
+		for node_id in orphans {
+			self.tree.free_node(node_id)
+		}
 		Ok(())
 	}
 }
@@ -104,8 +107,8 @@ impl BorrowTree {
 		for (id, node) in proto_network.nodes {
 			if !self.nodes.contains_key(&id) {
 				self.push_node(id, node, typing_context)?;
-				old_nodes.remove(&id);
 			}
+			old_nodes.remove(&id);
 		}
 		Ok(old_nodes.into_iter().collect())
 	}