Align text position to pixel grid in iced_wgpu

This avoids re-rasterizing glyphs and cache reuploads when the HiDPI factor is nonintegral.
2019-11-07 06:51:42 +01:00 · 2019-11-07 06:51:42 +01:00 · 5fd0c724b2
commit 5fd0c724b2
parent 8dc4bd5a1d
1 changed files with 2 additions and 2 deletions
--- a/wgpu/src/renderer.rs
+++ b/wgpu/src/renderer.rs
@ -365,8 +365,8 @@ impl Renderer {
                // Target physical coordinates directly to avoid blurry text
                let text = Section {
                    screen_position: (
-                        text.screen_position.0 * dpi,
-                        text.screen_position.1 * dpi,
+                        (text.screen_position.0 * dpi).round(),
+                        (text.screen_position.1 * dpi).round(),
                    ),
                    bounds: (text.bounds.0 * dpi, text.bounds.1 * dpi),
                    scale: wgpu_glyph::Scale {