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Render clip instances on top of a layer's loose shapes 

Within a vector layer, groups and movie clips (clip instances) were drawn
before the layer's own VectorGraph, so they appeared underneath the loose
shapes. Draw the loose shapes first and the clip instances on top, in both
the Vello and CPU render paths.
This commit is contained in:
Skyler Lehmkuhl 2026-06-21 15:23:42 -04:00
parent 0d1f62ccce
commit 1dd5de4617
1 changed files with 11 additions and 10 deletions
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21
lightningbeam-ui/lightningbeam-core/src/renderer.rs
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@ -1356,7 +1356,12 @@ fn render_vector_layer(
// Cascade opacity: parent_opacity × layer.opacity
let layer_opacity = parent_opacity * layer.layer.opacity;
// Render clip instances first (they appear under shape instances)
// Render the layer's own VectorGraph (loose shapes) first, then clip instances
// (groups / movie clips) on top.
if let Some(graph) = layer.graph_at_time(time) {
render_vector_graph(graph, scene, base_transform, layer_opacity, document, image_cache);
}
for clip_instance in &layer.clip_instances {
// For groups, compute the visibility end from keyframe data
let group_end_time = document.vector_clips.get(&clip_instance.clip_id)
@ -1367,11 +1372,6 @@ fn render_vector_layer(
});
render_clip_instance(document, time, clip_instance, layer_opacity, scene, base_transform, &layer.layer.animation_data, image_cache, video_manager, group_end_time);
}
// Render VectorGraph from active keyframe
if let Some(graph) = layer.graph_at_time(time) {
render_vector_graph(graph, scene, base_transform, layer_opacity, document, image_cache);
}
}
// ============================================================================
@ -1667,6 +1667,11 @@ fn render_vector_layer_cpu(
) {
let layer_opacity = parent_opacity * layer.layer.opacity;
// Loose shapes first, then clip instances (groups / movie clips) on top.
if let Some(graph) = layer.graph_at_time(time) {
render_vector_graph_cpu(graph, pixmap, affine_to_ts(base_transform), layer_opacity as f32, document, image_cache);
}
for clip_instance in &layer.clip_instances {
let group_end_time = document.vector_clips.get(&clip_instance.clip_id)
.filter(|vc| vc.is_group)
@ -1679,10 +1684,6 @@ fn render_vector_layer_cpu(
&layer.layer.animation_data, image_cache, group_end_time,
);
}
if let Some(graph) = layer.graph_at_time(time) {
render_vector_graph_cpu(graph, pixmap, affine_to_ts(base_transform), layer_opacity as f32, document, image_cache);
}
}
/// Render a clip instance (and its nested layers) to a CPU pixmap.