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render: a 3D layer read outside its in/out range is transparent

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solo_3d passed the layer to the 3D pipelines whatever the comp time, so an
instance (CC Composite referencing a model layer) rendered before the source
layer's in-point or after its out-point. Like any other layer reference, there
is nothing to read outside the range: return the transparent canvas.
This commit is contained in:
Minher0
2026-10-25 13:21:57 +00:00
parent 82cebba68f
commit 601a15bc1f
2 changed files with 28 additions and 1 deletions
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crates/render/src/lib.rs
+6 -1
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@@ -1510,12 +1510,17 @@ impl<'a> Renderer<'a> {
let s = self.opts.scale;
let w = ((ctx.comp.width as f64 * s).ceil() as u32).max(1);
let h = ((ctx.comp.height as f64 * s).ceil() as u32).max(1);
let mut canvas = Image::new(w, h);
// Outside the layer's in/out points there is nothing to read: the copy is transparent
// there, like any other layer reference (the 3D pipelines don't gate on the range).
if !layer.is_active_at(ctx.time) {
return Buf { img: canvas, offset: [0.0; 2], scale: s };
}
let mut solo = layer.clone();
solo.track_matte = None;
solo.blend_mode = effectcraft_color::BlendMode::Normal;
solo.preserve_transparency = false;
solo.switches.video = true;
let mut canvas = Image::new(w, h);
three_d::compose::draw_run(self, ctx, &[&solo], &mut canvas);
Buf { img: canvas, offset: [0.0; 2], scale: s }
}