diff --git a/crates/renderer_rendergraph/src/graph.rs b/crates/renderer_rendergraph/src/graph.rs
index e03d034..2f16613 100644
--- a/crates/renderer_rendergraph/src/graph.rs
+++ b/crates/renderer_rendergraph/src/graph.rs
@@ -10,6 +10,9 @@
 //! when command-to-queue assignment is introduced, alias transitions between
 //! queues must also be represented by semaphore edges.
 
+// TODO: count image creations by hash of desc to see if some particular image is being created very frequently.
+// maybe it can be pooled.
+
 use std::{
     cmp::Reverse,
     collections::{BTreeSet, BinaryHeap, HashMap, VecDeque},