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egui/crates/epaint
Lucas Meurer 6268c84d8a Prevent accidentally dropping TexturesDelta (#8356)
We had a ton of issues around `TexturesDelta` that weren't properly
applied because we early-out of some function:
* https://github.com/emilk/egui/pull/8313
* https://github.com/emilk/egui/pull/8250
* https://github.com/emilk/egui/pull/8279

This PR changes texture updates, so that we always store them after
taking them out of `FullOutput` and keep the delta around until it's
actually applied (by passing &mut refs and draining instead of
iterating). So even if we add a new early return somewhere, that can't
break texture updates.

It also optimizes `TexturesDelta::append` by dropping any previous
deltas if there's a new `whole` delta or a `free`.

It also adds a debug assert that any `TexturesDelta` is empty when
dropped, as an additional safeguard in case the bug sneaks back in.

---------

Co-authored-by: Claude Opus 5 (1M context) <noreply@anthropic.com>
2026-07-29 16:16:48 +00:00
..
2026-04-13 11:57:34 +02:00
2023-02-12 18:08:13 +01:00

epaint - egui paint library

Latest version Documentation unsafe forbidden MIT Apache

A bare-bones 2D graphics library for turning simple 2D shapes and text into textured triangles.

Made for egui.