bind groups cache per renderer

sunag · Jun 24, 2024 · 6fe58cc · 6fe58cc
1 parent 9f5fdae
commit 6fe58cc
Showing 1 changed file with 19 additions and 1 deletion.
diff --git a/examples/jsm/nodes/core/NodeBuilder.js b/examples/jsm/nodes/core/NodeBuilder.js
@@ -30,7 +30,7 @@ import ChainMap from '../../renderers/common/ChainMap.js';
 
 import PMREMGenerator from '../../renderers/common/extras/PMREMGenerator.js';
 
-const bindGroupsCache = new ChainMap();
+const rendererCache = new WeakMap();
 
 const typeFromLength = new Map( [
 	[ 2, 'vec2' ],
@@ -122,6 +122,22 @@ class NodeBuilder {
 
 	}
 
+	getBingGroupsCache() {
+
+		let bindGroupsCache = rendererCache.get( this.renderer );
+
+		if ( bindGroupsCache === undefined ) {
+
+			bindGroupsCache = new ChainMap();
+
+			rendererCache.set( this.renderer, bindGroupsCache );
+
+		}
+
+		return bindGroupsCache;
+
+	}
+
 	createRenderTarget( width, height, options ) {
 
 		return new RenderTarget( width, height, options );
@@ -150,6 +166,8 @@ class NodeBuilder {
 
 	_getBindGroup( groupName, bindings ) {
 
+		const bindGroupsCache = this.getBingGroupsCache();
+
 		// cache individual uniforms group
 
 		const bindingsArray = [];