perf(editor): stabilize 3D opening-guide rendering, remove per-tick GPU churn

Reuse one THREE.Line + preallocated position buffer per guide slot, mutating
endpoints in place each drag tick instead of rebuilding the geometry, line, and
two Vector3s and re-uploading the GPU buffer every frame. Key guides by a stable
semantic id (sill / head / gap:side / vertical / spacing:i) so a slot that
persists keeps its React element and drei <Html> pill mounted as the guide set
churns, rather than remounting under shifting index keys.

Also: make useOpeningGuides.clear() a no-op when already empty so the common
no-guide hover frame doesn't push a fresh [] and re-render to the same nothing;
dispose the move-tool cursor EdgesGeometry on unmount; and memoize the
placement-tool cursor EdgesGeometry (static fallback dims) so it isn't
reallocated and orphaned on every render during placement.

Reviewed by Codex (peer + adversarial): no correctness, hook-order, or GPU-leak
regressions.

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
This commit is contained in:
Aymeric Rabot
2026-06-15 12:36:06 -04:00
co-authored by Claude Opus 4.8
parent 86e9b3c8bf
commit 69aa272004
7 changed files with 77 additions and 32 deletions
+1
View File
@@ -644,6 +644,7 @@ const MoveDoorTool: React.FC<{ node: DoorNode }> = ({ node: movingDoorNode }) =>
boxGeo.dispose()
return geo
}, [movingDoorNode])
useEffect(() => () => edgesGeo.dispose(), [edgesGeo])
return (
<group ref={cursorGroupRef} visible={false}>
+11 -5
View File
@@ -22,7 +22,7 @@ import {
useAlignmentGuides,
} from '@pascal-app/editor'
import { useViewer } from '@pascal-app/viewer'
import { useEffect, useRef } from 'react'
import { useEffect, useMemo, useRef } from 'react'
import { BoxGeometry, EdgesGeometry, type Group, type LineSegments, Vector3 } from 'three'
import { LineBasicNodeMaterial } from 'three/webgpu'
import {
@@ -585,10 +585,16 @@ const DoorTool: React.FC = () => {
}
}, [])
// Cursor geometry: door outline.
const boxGeo = new BoxGeometry(FALLBACK_WIDTH, FALLBACK_HEIGHT, 0.07)
const edgesGeo = new EdgesGeometry(boxGeo)
boxGeo.dispose()
// Cursor geometry: door outline. Static dims, so build it once and dispose on
// unmount rather than reallocating (and orphaning) an EdgesGeometry on every
// re-render during placement.
const edgesGeo = useMemo(() => {
const boxGeo = new BoxGeometry(FALLBACK_WIDTH, FALLBACK_HEIGHT, 0.07)
const geo = new EdgesGeometry(boxGeo)
boxGeo.dispose()
return geo
}, [])
useEffect(() => () => edgesGeo.dispose(), [edgesGeo])
return (
<group ref={cursorGroupRef} visible={false}>
@@ -105,10 +105,14 @@ export function publishOpeningGuides3D(args: {
const out: OpeningGuide3D[] = []
// Stable `id`s keyed on the guide's semantic role (not list position) so the
// 3D layer can keep a persisting slot's element + `<Html>` pill mounted as the
// set churns each tick — see `OpeningGuide3D`.
if (guides.sillHead) {
if (guides.sillHead.sill > MIN_DIMENSION_M) {
out.push({
kind: 'dimension',
id: 'sill',
from: toWorld(centerS, 0),
to: toWorld(centerS, guides.sillHead.bottomY),
value: guides.sillHead.sill,
@@ -117,6 +121,7 @@ export function publishOpeningGuides3D(args: {
if (guides.sillHead.head > MIN_DIMENSION_M) {
out.push({
kind: 'dimension',
id: 'head',
from: toWorld(centerS, guides.sillHead.topY),
to: toWorld(centerS, wallHeight),
value: guides.sillHead.head,
@@ -127,6 +132,7 @@ export function publishOpeningGuides3D(args: {
for (const gap of guides.gaps) {
out.push({
kind: 'dimension',
id: `gap:${gap.side}`,
from: toWorld(gap.fromS, centerY),
to: toWorld(gap.toS, centerY),
value: gap.distance,
@@ -140,6 +146,7 @@ export function publishOpeningGuides3D(args: {
const hi = Math.max(centerS + width / 2, target.centerS + target.width / 2)
out.push({
kind: 'align-line',
id: 'vertical',
from: toWorld(lo, guides.vertical.y),
to: toWorld(hi, guides.vertical.y),
})
@@ -147,13 +154,15 @@ export function publishOpeningGuides3D(args: {
}
if (guides.equalSpacing) {
for (const seg of guides.equalSpacing.segments) {
const { gap, segments } = guides.equalSpacing
segments.forEach((seg, i) => {
out.push({
kind: 'badge',
id: `spacing:${i}`,
at: toWorld((seg.fromS + seg.toS) / 2, centerY),
value: guides.equalSpacing.gap,
value: gap,
})
}
})
}
useOpeningGuides.getState().set(out)
+1
View File
@@ -702,6 +702,7 @@ const MoveWindowTool: React.FC<{ node: WindowNode }> = ({ node: movingWindowNode
boxGeo.dispose()
return geo
}, [movingWindowNode])
useEffect(() => () => edgesGeo.dispose(), [edgesGeo])
return (
<group ref={cursorGroupRef} visible={false}>
+11 -5
View File
@@ -23,7 +23,7 @@ import {
useAlignmentGuides,
} from '@pascal-app/editor'
import { useViewer } from '@pascal-app/viewer'
import { useEffect, useRef } from 'react'
import { useEffect, useMemo, useRef } from 'react'
import { BoxGeometry, EdgesGeometry, type Group, type LineSegments, Vector3 } from 'three'
import { LineBasicNodeMaterial } from 'three/webgpu'
import {
@@ -631,10 +631,16 @@ const WindowTool: React.FC = () => {
}
}, [])
// Cursor geometry: window outline rectangle.
const boxGeo = new BoxGeometry(FALLBACK_WIDTH, FALLBACK_HEIGHT, 0.07)
const edgesGeo = new EdgesGeometry(boxGeo)
boxGeo.dispose()
// Cursor geometry: window outline rectangle. Static dims, so build it once and
// dispose on unmount rather than reallocating (and orphaning) an EdgesGeometry
// on every re-render during placement.
const edgesGeo = useMemo(() => {
const boxGeo = new BoxGeometry(FALLBACK_WIDTH, FALLBACK_HEIGHT, 0.07)
const geo = new EdgesGeometry(boxGeo)
boxGeo.dispose()
return geo
}, [])
useEffect(() => () => edgesGeo.dispose(), [edgesGeo])
return (
<group ref={cursorGroupRef} visible={false}>