Keep around the pointer color buffer

Fixes pointer drawing preventing idle.

src/niri.rs

@@ -3,8 +3,7 @@ use std::sync::Arc;
 use std::time::Duration;
 
 use smithay::backend::renderer::element::render_elements;
-use smithay::backend::renderer::element::solid::SolidColorRenderElement;
-use smithay::backend::renderer::utils::CommitCounter;
+use smithay::backend::renderer::element::solid::{SolidColorBuffer, SolidColorRenderElement};
 use smithay::backend::renderer::ImportAll;
 use smithay::desktop::space::{space_render_elements, SpaceRenderElements};
 use smithay::desktop::{Space, Window, WindowSurfaceType};
@@ -46,6 +45,8 @@ pub struct Niri {
     pub seat: Seat<Self>,
     pub output: Option<Output>,
 
+    pub pointer_buffer: SolidColorBuffer,
+
     // Set to `true` if there's a redraw queued on the event loop. Reset to `false` in redraw()
     // which means that you cannot queue more than one redraw at once.
     pub redraw_queued: bool,
@@ -107,6 +108,8 @@ impl Niri {
             })
             .unwrap();
 
+        let pointer_buffer = SolidColorBuffer::new((16, 16), [1., 0.8, 0., 1.]);
+
         Self {
             start_time,
             event_loop,
@@ -124,6 +127,7 @@ impl Niri {
 
             seat,
             output: None,
+            pointer_buffer,
             redraw_queued: false,
             waiting_for_vblank: false,
         }
@@ -183,19 +187,15 @@ impl Niri {
             .collect();
         elements.insert(
             0,
-            OutputRenderElements::Pointer(SolidColorRenderElement::new(
-                smithay::backend::renderer::element::Id::new(),
-                smithay::utils::Rectangle {
-                    loc: self
-                        .seat
-                        .get_pointer()
-                        .unwrap()
-                        .current_location()
-                        .to_physical_precise_round(1.),
-                    size: (16, 16).into(),
-                },
-                CommitCounter::default(),
-                [1., 0.8, 0., 1.],
+            OutputRenderElements::Pointer(SolidColorRenderElement::from_buffer(
+                &self.pointer_buffer,
+                self.seat
+                    .get_pointer()
+                    .unwrap()
+                    .current_location()
+                    .to_physical_precise_round(1.),
+                1.,
+                1.,
             )),
         );