Fix attached Morph seams at fractional scales
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Samuel Onoja committed
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commit
b31618b749
2 files changed
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@@ -613,15 +613,20 @@ fn panel_matrices(
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transform: Transform,
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) -> PanelMatrices {
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let permutation = framebuffer_corner_radii([0., 1., 2., 3.], transform);
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// The shell snaps its path in surface-local pixels. Translate that path by
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// the same physical origin as its Wayland content, rather than rounding
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// origin + local coordinates together. At fractional scales the latter
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// can separate shared edges after the f32 protocol round trip.
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let origin: Point<i32, Physical> = origin.to_physical_precise_round(scale);
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let shapes = presentation
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.shapes
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.iter()
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.map(|primitive| {
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let b = primitive.bounds;
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let left = ((b.x + f64::from(origin.x)) * scale).round() as i32;
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let top = ((b.y + f64::from(origin.y)) * scale).round() as i32;
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let right = ((b.x + b.width + f64::from(origin.x)) * scale).round() as i32;
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let bottom = ((b.y + b.height + f64::from(origin.y)) * scale).round() as i32;
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let left = (b.x * scale).round() as i32 + origin.x;
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let top = (b.y * scale).round() as i32 + origin.y;
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let right = ((b.x + b.width) * scale).round() as i32 + origin.x;
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let bottom = ((b.y + b.height) * scale).round() as i32 + origin.y;
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let physical = Rectangle::new((left, top).into(), (right - left, bottom - top).into());
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let rect = framebuffer_clip_rect(physical, size, transform);
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let radii = primitive.radii.0.map(|r| (f64::from(r) * scale) as f32);
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@@ -768,6 +773,144 @@ mod region_geometry_tests {
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}
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}
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#[test]
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fn attached_morph_masks_keep_shared_edges_after_wire_rounding() {
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use ferese_panel::scene::{Parameters, Primitive, derive};
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use ferese_panel::shape::PixelGrid;
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for scale in [1., 1.25, 1.5, 2.] {
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for origin in [-3, 0, 1, 3, 101] {
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for width in [149.99, 150., 150.01, 199.99, 200., 200.01, 259.99, 260., 260.01] {
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let scene = derive(
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Parameters {
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style: ferese_panel::PanelStyle::Morph,
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attached: true,
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fillet: 12.,
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..Default::default()
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},
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ferese_layout::Rect::new((320. - width) / 2., 0., width, 44.),
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&[],
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PixelGrid::new(scale).unwrap(),
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)
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.unwrap();
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let presentation = crate::effects::PanelPresentation {
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shapes: scene
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.packets()
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.into_iter()
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.map(|p| Primitive::from_packet(p).unwrap())
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.collect::<Vec<_>>()
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.into(),
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fusion: 0.,
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};
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let shapes = panel_matrices(
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&presentation,
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(origin, 0).into(),
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scale,
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(1000, 1000).into(),
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Transform::Normal,
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)
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.shapes;
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let [body, left, right] = shapes.as_slice() else {
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panic!("expected body and shoulders")
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};
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let client_left = (scene.paint[0].bounds.x * scale).round() + (f64::from(origin) * scale).round();
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assert_eq!(
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body[0], client_left as f32,
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"native fill must align with the shell outline"
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);
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assert_eq!(
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left[0] + left[2],
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body[0],
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"left join: scale {scale}, origin {origin}, width {width}"
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);
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assert_eq!(
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body[0] + body[2],
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right[0],
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"right join: scale {scale}, origin {origin}, width {width}"
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);
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}
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}
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}
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}
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#[test]
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fn attached_morph_material_covers_each_join_once_through_settlement() {
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use ferese_panel::morph::{Hub, Mode, Profile};
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use ferese_panel::scene::{Parameters, derive};
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use ferese_panel::shape::{AnchoredRadii, PixelGrid};
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for scale in [1., 1.25, 1.5, 2.] {
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for edge in [ferese_panel::Edge::Top, ferese_panel::Edge::Bottom] {
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let mut hub = Hub::new(Profile::default(), 34.).unwrap();
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for mode in [Mode::Peek, Mode::Idle] {
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hub.retarget(mode, [400., 300.]).unwrap();
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for frame in 0..160 {
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hub.advance(std::time::Duration::from_millis(8), false);
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let sample = hub.sample();
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let body = sample.geometry.bounds;
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let bounds = ferese_layout::Rect::new(
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(320. - body.width) / 2.,
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if edge == ferese_panel::Edge::Top {
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0.
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} else {
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64. - body.height
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},
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body.width,
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body.height,
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);
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let scene = derive(
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Parameters {
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style: ferese_panel::PanelStyle::Morph,
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attached: true,
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edge,
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fillet: 12.,
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radius: Some(AnchoredRadii(sample.geometry.radii.map(|r| r as f32))),
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..Default::default()
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},
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bounds,
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&[],
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PixelGrid::new(scale).unwrap(),
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)
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.unwrap();
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// Reproduce the f32 transport and logical capture bounds used by native materials.
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let regions: Vec<_> = scene
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.damage
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.iter()
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.map(|r| {
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material_region_geometry(
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[r.x, r.y, r.width, r.height, 0.].map(|n| f64::from(n as f32)),
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Rectangle::from_size((320, 64).into()),
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(0, 0).into(),
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scale,
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)
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.unwrap()
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.0
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.to_physical_precise_round(scale)
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})
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.collect();
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let body = scene.paint[0].bounds;
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let y = if edge == ferese_panel::Edge::Top {
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2.
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} else {
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64. * scale - 3.
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};
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for join in [body.x, body.x + body.width] {
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for side in [-1., 0.] {
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let point = Point::<i32, Physical>::from((
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(join * scale).round() as i32 + side as i32,
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y as i32,
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));
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let coverage = regions.iter().filter(|r| r.contains(point)).count();
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assert_eq!(
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coverage, 1,
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"join painted {coverage} times: {scale}, {edge:?}, {mode:?}, frame {frame}, {point:?}"
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);
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}
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}
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}
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}
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}
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}
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}
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#[test]
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fn fractional_regions_snap_once_in_output_pixels() {
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let bounds = Rectangle::from_size((200, 100).into());
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