diff --git a/src/lib.rs b/src/lib.rs
index 0bcfe45..25071fd 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -86,6 +86,19 @@ impl Renderer {
                 label: Some("Render Encoder"),
             });
 
+        if let Some(upload) = phase_passes.get_vec(&Phase::Upload) {
+            upload.iter().for_each(|pass_index| {
+                let frame_data = IndexedPhaseData {
+                    phase: Phase::Upload,
+                    frame_data: frame_index,
+                    viewport: &viewport,
+                };
+
+                let pass = &self.render_passes[*pass_index];
+                pass.record_commands(frame_data, &mut encoder);
+            });
+        }
+
         {
             let mut opaque_cmds = Vec::new();
             if let Some(opaque) = phase_passes.get_vec(&Phase::Opaque) {
diff --git a/src/phase.rs b/src/phase.rs
index 15e028b..a1d8ba8 100644
--- a/src/phase.rs
+++ b/src/phase.rs
@@ -5,6 +5,7 @@
 /// These variants are temporary and for testing purposes.
 #[derive(Copy, Clone, Debug, Hash, Eq, Ord, PartialEq, PartialOrd, strum::EnumIter)]
 pub enum Phase {
+    Upload,
     Depth,
     Opaque,
     Transparent,
@@ -14,6 +15,7 @@ impl Phase {
     pub fn get_kind(&self) -> PhaseKind {
         use Phase::*;
         match self {
+            Upload => PhaseKind::Command,
             Depth | Opaque | Transparent => PhaseKind::Render,
         }
     }