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Grow internal packer and re-upload glyphs automatically

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Héctor Ramón Jiménez 2023-06-15 18:23:36 +02:00 • committed by Josh Groves
parent a74ce29c1a
commit f64771c2c3
5 changed files with 86 additions and 30 deletions
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17
src/text_render.rs
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@ -118,13 +118,20 @@ impl TextRenderer {
let should_rasterize = width > 0 && height > 0;
let (gpu_cache, atlas_id, inner) = if should_rasterize {
let inner = atlas.inner_for_content_mut(content_type);
let mut inner = atlas.inner_for_content_mut(content_type);
// Find a position in the packer
let allocation = match inner.try_allocate(width, height) {
Some(a) => a,
None => {
return Err(PrepareError::AtlasFull(content_type));
let allocation = loop {
match inner.try_allocate(width, height) {
Some(a) => break a,
None => {
if !atlas.grow(device, queue, font_system, cache, content_type)
{
return Err(PrepareError::AtlasFull);
}
inner = atlas.inner_for_content_mut(content_type);
}
}
};
let atlas_min = allocation.rectangle.min;