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ludic.ui: a screen's nodes and envs are pooled and used again - two generations a screen, reset in place, their own lists emptied not replaced; a tree is good until its screen is built twice more (benchmark 256 -> 110 KB a frame)

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Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
This commit is contained in:
Orkun ÇAKILKAYA 2026-09-27 23:33:48 +03:00
parent 83200a453b
commit d1c9359e96
19 changed files with 307 additions and 83 deletions
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9
packages/ludic.ui/cascade.ludic
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@ -9,11 +9,14 @@ function cs_tree(ui_st: mut UiState, n: UiNode) -> void {
}
if n.tag != "" { cs_node(ui_st, n) }
for i in 0 .. len(n.children) { cs_tree(ui_st, n.children[i]) }
var shown = new []UiNode
var kept = 0
for i in 0 .. len(n.children) {
if not n.children[i].hidden { push(shown, n.children[i]) }
if not n.children[i].hidden {
n.children[kept] = n.children[i]
kept += 1
}
}
n.children = shown
while len(n.children) > kept { List.pop(n.children) }
cs_order(n)
}
# twice: the font size (and zoom) first, from every rule, so an em anywhere reads the size the