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Present new frame only when damaged in iced_tiny_skia

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This commit is contained in:
Héctor Ramón Jiménez 2023-04-05 18:41:40 +02:00
parent 1bba9a080f
commit 4ede482ab5
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GPG key ID: 140CC052C94F138E
2 changed files with 12 additions and 8 deletions
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6
tiny_skia/src/backend.rs
View file

@ -50,7 +50,7 @@ impl Backend {
viewport: &Viewport, viewport: &Viewport,
background_color: Color, background_color: Color,
overlay: &[T], overlay: &[T],
) { ) -> bool {
let physical_size = viewport.physical_size(); let physical_size = viewport.physical_size();
let damage = if self.last_background_color == background_color let damage = if self.last_background_color == background_color
@ -62,7 +62,7 @@ impl Backend {
}; };
if damage.is_empty() { if damage.is_empty() {
return; return false;
} }
self.last_primitives = primitives.to_vec(); self.last_primitives = primitives.to_vec();
@ -179,6 +179,8 @@ impl Backend {
#[cfg(feature = "svg")] #[cfg(feature = "svg")]
self.vector_pipeline.trim_cache(); self.vector_pipeline.trim_cache();
true
} }
fn draw_primitive( fn draw_primitive(

14
tiny_skia/src/window/compositor.rs
View file

@ -106,7 +106,7 @@ pub fn present<Theme, T: AsRef<str>>(
) -> Result<(), compositor::SurfaceError> { ) -> Result<(), compositor::SurfaceError> {
let physical_size = viewport.physical_size(); let physical_size = viewport.physical_size();
backend.draw( let drawn = backend.draw(
&mut tiny_skia::PixmapMut::from_bytes( &mut tiny_skia::PixmapMut::from_bytes(
bytemuck::cast_slice_mut(&mut surface.buffer), bytemuck::cast_slice_mut(&mut surface.buffer),
physical_size.width, physical_size.width,
@ -120,11 +120,13 @@ pub fn present<Theme, T: AsRef<str>>(
overlay, overlay,
); );
surface.window.set_buffer( if drawn {
&surface.buffer, surface.window.set_buffer(
physical_size.width as u16, &surface.buffer,
physical_size.height as u16, physical_size.width as u16,
); physical_size.height as u16,
);
}
Ok(()) Ok(())
} }