michael/pathfinder
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wip

This commit is contained in:
Patrick Walton 2018-12-14 20:03:48 -08:00
parent a443e41909
commit c77d5df20d
1 changed files with 4 additions and 5 deletions
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9
utils/tile-svg/src/main.rs
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@ -72,7 +72,7 @@ fn main() {
let scene = Scene::from_path(&path);
println!("bounds: {:?}", scene.bounds);
const RUNS: u32 = 100;
const RUNS: u32 = 1000;
let start_time = Instant::now();
let mut primitives = vec![];
for _ in 0..RUNS {
@ -768,7 +768,7 @@ impl<'o, 'p> Tiler<'o, 'p> {
}
{
let outline = &self.outline;
self.sorted_edge_indices.sort_by(|edge_index_a, edge_index_b| {
self.sorted_edge_indices.sort_unstable_by(|edge_index_a, edge_index_b| {
let segment_a = outline.segment_after(*edge_index_a);
let segment_b = outline.segment_after(*edge_index_b);
segment_a.min_y().partial_cmp(&segment_b.min_y()).unwrap_or(Ordering::Equal)
@ -787,7 +787,7 @@ impl<'o, 'p> Tiler<'o, 'p> {
self.active_edges.clear();
let mut next_edge_index_index = 0;
let mut tile_top = bounds.origin.y - bounds.origin.y % TILE_HEIGHT;
let mut tile_top = f32::floor(bounds.origin.y / TILE_HEIGHT) * TILE_HEIGHT;
while tile_top < max_y {
let tile_extent = Point2D::new(max_x, tile_top + TILE_HEIGHT);
@ -795,7 +795,6 @@ impl<'o, 'p> Tiler<'o, 'p> {
Some(ref view_box) => tile_extent.y <= view_box.origin.y,
None => false,
};
//let mut strip = Strip::new(&Point2D::new(tile_left, tile_top));
// TODO(pcwalton): Populate tile strip with active intervals.
@ -848,7 +847,7 @@ fn process_active_edge(active_edge: &mut Segment,
min_x = clamp(min_x, 0.0, strip_extent.x);
max_x = clamp(max_x, 0.0, strip_extent.x);
let mut tile_left = min_x - min_x % TILE_WIDTH;
let mut tile_left = f32::floor(min_x / TILE_WIDTH) * TILE_WIDTH;
while tile_left < max_x {
active_edge.add_to_list(tile_left, primitives);
tile_left += TILE_WIDTH;