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This commit is contained in:
Alejandro Alonso 2026-04-06 12:53:05 +02:00
parent 8ba7b69173
commit 84207b7b9d
2 changed files with 33 additions and 9 deletions
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34
render-wasm/src/render.rs
View File

@ -855,19 +855,39 @@ impl RenderState {
pub fn apply_render_to_final_canvas(&mut self, rect: skia::Rect) -> Result<()> {
let tile_rect = self.get_current_aligned_tile_bounds()?;
let scale_bits = self.get_scale().to_bits();
self.surfaces.cache_current_tile_texture(
let scale = self.get_scale();
let scale_bits = scale.to_bits();
let tile = self
.current_tile
.ok_or(Error::CriticalError("Current tile not found".to_string()))?;
let rendered_tile_image = self.surfaces.cache_current_tile_texture(
&self.tile_viewbox,
&self
.current_tile
.ok_or(Error::CriticalError("Current tile not found".to_string()))?,
&tile,
&tile_rect,
scale_bits,
);
// Bootstrap / keep 100% cache warm: whenever we finish a full-quality tile render at
// a zoom != 100%, reproject that tile into the corresponding 100% tiles.
// This lets fast_mode rely on 100% even if the file opened at 60%, etc.
if !self.options.is_fast_mode() {
if let Some(img) = rendered_tile_image.as_ref() {
let base_bits = self.base_zoom_placeholder_scale_bits();
if base_bits != scale_bits {
self.surfaces.reproject_cached_tile_into_scale(
&self.tile_viewbox,
img,
tile,
scale_bits,
base_bits,
self.background_color,
);
}
}
}
self.surfaces.draw_cached_tile_surface(
self.current_tile
.ok_or(Error::CriticalError("Current tile not found".to_string()))?,
tile,
scale_bits,
rect,
self.background_color,

8
render-wasm/src/render/surfaces.rs
View File

@ -539,7 +539,7 @@ impl Surfaces {
tile: &Tile,
tile_rect: &skia::Rect,
scale_bits: u32,
) {
) -> Option<skia::Image> {
let rect = IRect::from_xywh(
self.margins.width,
self.margins.height,
@ -558,8 +558,12 @@ impl Surfaces {
&skia::Paint::default(),
);
self.tiles.add(tile_viewbox, tile, scale_bits, tile_image);
// `skia::Image` is ref-counted; cloning is cheap.
self.tiles
.add(tile_viewbox, tile, scale_bits, tile_image.clone());
return Some(tile_image);
}
None
}
pub fn has_cached_tile_surface(&self, tile: Tile, scale_bits: u32) -> bool {