Add a semi-working debug-toggle-damage binding

1 files changed, 23 insertions, 0 deletions

diff --git a/src/render_helpers/debug.rs b/src/render_helpers/debug.rs
index f67abdb3..2a4c4332 100644
--- a/src/render_helpers/debug.rs
+++ b/src/render_helpers/debug.rs
@@ -1,3 +1,4 @@
+use smithay::backend::renderer::damage::OutputDamageTracker;
 use smithay::backend::renderer::element::solid::SolidColorRenderElement;
 use smithay::backend::renderer::element::{Element, Id, Kind};
 use smithay::backend::renderer::utils::CommitCounter;
@@ -56,3 +57,25 @@ pub fn draw_opaque_regions<R: NiriRenderer>(
         }
     }
 }
+
+pub fn draw_damage<R: NiriRenderer>(
+    damage_tracker: &mut OutputDamageTracker,
+    elements: &mut Vec<OutputRenderElements<R>>,
+) {
+    let _span = tracy_client::span!("draw_damage");
+
+    let Ok((Some(damage), _)) = damage_tracker.damage_output(1, elements) else {
+        return;
+    };
+
+    for rect in damage {
+        let color = SolidColorRenderElement::new(
+            Id::new(),
+            *rect,
+            CommitCounter::default(),
+            [0.3, 0., 0., 0.3],
+            Kind::Unspecified,
+        );
+        elements.insert(0, OutputRenderElements::SolidColor(color));
+    }
+}