java-topology/defects/threejs/patch/threejs-0003-nodebuilder-set.patch

54 lines
2.4 KiB
Diff

# UNDF: UNDF-2026-000000311
Fixes threejs-0003/0004/0005: NodeBuilder.js — three Array.includes() in node graph build.
--- a/src/nodes/core/NodeBuilder.js
+++ b/src/nodes/core/NodeBuilder.js
@@ DEFECT threejs-0003: getBindingGroups() triple-nested loop (line 683-700)
- const groups = {}; // groupName → Array of uniforms
+ const groups = {}; // groupName → Array of uniforms (preserved for output)
+ const groupSets = {}; // FIX threejs-0003: groupName → Set for O(1) dedup
for ( const shaderStage of shaderStages ) {
for ( const groupName in bindings[ shaderStage ] ) {
const uniforms = bindings[ shaderStage ][ groupName ];
const groupUniforms = groups[ groupName ] || ( groups[ groupName ] = [] );
+ const groupSet = groupSets[ groupName ] || ( groupSets[ groupName ] = new Set() );
for ( const uniform of uniforms ) {
- if ( groupUniforms.includes( uniform ) === false ) { // O(n) — CWE-407
+ if ( groupSet.has( uniform ) === false ) { // O(1) — fixed
groupUniforms.push( uniform );
+ groupSet.add( uniform );
}
}
}
}
@@ DEFECT threejs-0004: addNode() — this.nodes.includes() (line 763)
addNode( node ) {
- if ( this.nodes.includes( node ) === false ) { // O(n) — CWE-407
+ if ( this.nodesSet.has( node ) === false ) { // O(1) — fixed
this.nodes.push( node );
+ this.nodesSet.add( node );
this.setHashNode( node, node.getHash( this ) );
}
}
// Add to constructor: this.nodesSet = new Set();
@@ DEFECT threejs-0005: addSequentialNode() — this.sequentialNodes.includes() (line 787)
addSequentialNode( node ) {
const updateBeforeType = node.getUpdateBeforeType();
const updateAfterType = node.getUpdateAfterType();
if ( updateBeforeType !== NodeUpdateType.NONE || updateAfterType !== NodeUpdateType.NONE ) {
- if ( this.sequentialNodes.includes( node ) === false ) { // O(n) — CWE-407
+ if ( this.sequentialNodesSet.has( node ) === false ) { // O(1) — fixed
this.sequentialNodes.push( node );
+ this.sequentialNodesSet.add( node );
}
}
}
// Add to constructor: this.sequentialNodesSet = new Set();