diff options
Diffstat (limited to 'tiny_skia')
| -rw-r--r-- | tiny_skia/src/backend.rs | 6 | ||||
| -rw-r--r-- | tiny_skia/src/window/compositor.rs | 14 |
2 files changed, 12 insertions, 8 deletions
diff --git a/tiny_skia/src/backend.rs b/tiny_skia/src/backend.rs index 8bc2321c..0b534bba 100644 --- a/tiny_skia/src/backend.rs +++ b/tiny_skia/src/backend.rs @@ -50,7 +50,7 @@ impl Backend { viewport: &Viewport, background_color: Color, overlay: &[T], - ) { + ) -> bool { let physical_size = viewport.physical_size(); let damage = if self.last_background_color == background_color @@ -62,7 +62,7 @@ impl Backend { }; if damage.is_empty() { - return; + return false; } self.last_primitives = primitives.to_vec(); @@ -179,6 +179,8 @@ impl Backend { #[cfg(feature = "svg")] self.vector_pipeline.trim_cache(); + + true } fn draw_primitive( diff --git a/tiny_skia/src/window/compositor.rs b/tiny_skia/src/window/compositor.rs index cea1cabf..6e4bb6ef 100644 --- a/tiny_skia/src/window/compositor.rs +++ b/tiny_skia/src/window/compositor.rs @@ -106,7 +106,7 @@ pub fn present<Theme, T: AsRef<str>>( ) -> Result<(), compositor::SurfaceError> { let physical_size = viewport.physical_size(); - backend.draw( + let drawn = backend.draw( &mut tiny_skia::PixmapMut::from_bytes( bytemuck::cast_slice_mut(&mut surface.buffer), physical_size.width, @@ -120,11 +120,13 @@ pub fn present<Theme, T: AsRef<str>>( overlay, ); - surface.window.set_buffer( - &surface.buffer, - physical_size.width as u16, - physical_size.height as u16, - ); + if drawn { + surface.window.set_buffer( + &surface.buffer, + physical_size.width as u16, + physical_size.height as u16, + ); + } Ok(()) } |