Damage window on corner radius changes

1 files changed, 28 insertions, 1 deletions

diff --git a/src/render_helpers/clipped_surface.rs b/src/render_helpers/clipped_surface.rs
index 69c2a012..43ba8594 100644
--- a/src/render_helpers/clipped_surface.rs
+++ b/src/render_helpers/clipped_surface.rs
@@ -6,8 +6,9 @@ use smithay::backend::renderer::gles::{
     GlesError, GlesFrame, GlesRenderer, GlesTexProgram, Uniform,
 };
 use smithay::backend::renderer::utils::{CommitCounter, DamageSet};
-use smithay::utils::{Buffer, Logical, Physical, Rectangle, Scale, Transform};
+use smithay::utils::{Buffer, Logical, Physical, Rectangle, Scale, Size, Transform};
 
+use super::damage::ExtraDamage;
 use super::renderer::{AsGlesFrame as _, NiriRenderer};
 use super::shaders::{mat3_uniform, Shaders};
 use crate::backend::tty::{TtyFrame, TtyRenderer, TtyRendererError};
@@ -21,6 +22,12 @@ pub struct ClippedSurfaceRenderElement<R: NiriRenderer> {
     input_to_geo: Mat3,
 }
 
+#[derive(Debug, Default, Clone)]
+pub struct RoundedCornerDamage {
+    damage: ExtraDamage,
+    corner_radius: CornerRadius,
+}
+
 impl<R: NiriRenderer> ClippedSurfaceRenderElement<R> {
     pub fn new(
         elem: WaylandSurfaceRenderElement<R>,
@@ -267,3 +274,23 @@ impl<'render> RenderElement<TtyRenderer<'render>>
         None
     }
 }
+
+impl RoundedCornerDamage {
+    pub fn set_size(&mut self, size: Size<i32, Logical>) {
+        self.damage.set_size(size);
+    }
+
+    pub fn set_corner_radius(&mut self, corner_radius: CornerRadius) {
+        if self.corner_radius == corner_radius {
+            return;
+        }
+
+        // FIXME: make the damage granular.
+        self.corner_radius = corner_radius;
+        self.damage.damage_all();
+    }
+
+    pub fn element(&self) -> ExtraDamage {
+        self.damage.clone()
+    }
+}