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Render only when shared state changes

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Add shared-data and bundle invalidation signals, and have handles publish them automatically for SAB and graph mutations.

Document the raw core worker protocol in a dedicated VitePress site and simplify the glTF import and picking example.

Amp-Thread-ID: https://ampcode.com/threads/T-01a01ff8-b91f-724f-8952-f07c6b5042fd
Co-authored-by: Heaust Azure <heaust.azure@gmail.com>
This commit is contained in:
Amp
2026-08-21 04:02:33 +00:00
co-authored by heaust
parent 481d105f19
commit 0e6d7e367c
24 changed files with 761 additions and 101 deletions
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core/renderer/render.rs
+25 -13
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@@ -116,22 +116,34 @@ impl RenderLoop {
control.elapsed.set(elapsed);
let frame = control.frame.get().wrapping_add(1);
control.frame.set(frame);
let skip = {
{
let mut data = data.borrow_mut();
data.update_info(delta as f32, frame, elapsed as f32, control.fps.get());
data.skip_render()
};
let submission = if !skip {
data.update_signals(delta as f32, frame, elapsed as f32, control.fps.get());
}
let submission = if data.borrow().render_pending() {
if let (Some(gpu), Some(loadout)) =
(gpu.borrow_mut().as_mut(), store.borrow_mut().active_mut())
{
let profile = control.profiling.get()
&& !control.profile_pending.get()
&& started >= control.profile_after.get();
gpu.render(loadout, &data.borrow(), profile)
.ok()
.flatten()
.map(|profile| (profile, gpu.adapter.clone(), gpu.width, gpu.height))
if data.borrow_mut().begin_render() {
let profile = control.profiling.get()
&& !control.profile_pending.get()
&& started >= control.profile_after.get();
let result = {
let data = data.borrow();
gpu.render(loadout, &data, profile)
};
match result {
Ok(profile) => profile.map(|profile| {
(profile, gpu.adapter.clone(), gpu.width, gpu.height)
}),
Err(_) => {
data.borrow_mut().mark_dirty();
None
}
}
} else {
None
}
} else {
None
}
@@ -206,7 +218,7 @@ impl Wgpu {
self.surface.configure(&self.device, &self.config);
self.surface.get_current_texture().map_err(|_| "SURFACE")?
}
Err(wgpu::SurfaceError::Timeout) => return Ok(None),
Err(wgpu::SurfaceError::Timeout) => return Err("SURFACE".into()),
Err(_) => return Err("SURFACE".into()),
};
let surface_view = output