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Untangle logic-only frames: one frame entry point, one output type

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Same fixes as the previous commits (run no egui pass at all when
nothing will be shown), but the mechanisms are shared instead of
duplicated:

* `Context::run_frame(input, show_ui, f)` is the one entry point for
  integrations: one `FramePhase::Logic` (always, outside any pass),
  then one `FramePhase::Ui` per pass (none when `show_ui` is false).
  `Context::run_logic` is now a thin wrapper around it, and the
  logic-outside-of-pass sequencing lives in egui, not in each backend.

* egui itself buffers the input of pass-less frames
  (`ViewportState::pending_raw_input`) and prepends it to the next
  pass. This replaces `EpiIntegration::pending_raw_input` and the web
  backend's `input.raw.append`, so an integration cannot lose input.

* `FullOutput` is now `{ platform_output, viewport_commands,
  pass_output: Option<PassOutput> }`, and `LogicOutput` is gone.
  One-shot viewport commands (imperative) are separated from
  `ViewportOutput` (which viewports should exist - declarative), so
  each backend has exactly one command-handling path, shared by frames
  with and without a pass. `pass_output: None` encodes "no pass ran:
  paint nothing, leave the viewports alone" in the type.

* The glow/wgpu `!show_ui` early-return blocks are gone: a hidden root
  viewport flows through the same tail as a visible one, with the
  paint and viewport-structure steps gated on `pass_output`.

Behavioral fixes that fall out:

* `App::logic` now sees the current window state in visible frames
  too (it was one frame stale outside the hidden path).
* Auto-save keeps working while a window is minimized or occluded.
* Commands sent to a freshly created viewport apply in the same frame.
* The Wayland resize workaround now also covers commands from
  pass-less frames.

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
This commit is contained in:
Lucas Meurer
2026-08-04 19:09:17 +02:00
parent 82d1c63c03
commit 33c85bd62a
18 changed files with 745 additions and 618 deletions
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7
crates/egui_inspection/src/plugin.rs
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@@ -264,10 +264,13 @@ impl egui::Plugin for InspectionPlugin {
return;
}
let immediate_repaint = output
let pass_output = output.expect_pass();
let immediate_repaint = pass_output
.viewport_output
.values()
.any(|viewport| viewport.repaint_delay == Duration::ZERO);
let pixels_per_point = pass_output.pixels_per_point;
let step = self.step;
self.in_flight
@@ -276,7 +279,7 @@ impl egui::Plugin for InspectionPlugin {
if let Some(reply) = item.reply.take() {
reply(Response::Tree {
step,
pixels_per_point: output.pixels_per_point,
pixels_per_point,
accesskit: output.platform_output.accesskit_update.clone(),
});
}