From 91f810daf9964d8ee50ebb5643cf2a79614bcc61 Mon Sep 17 00:00:00 2001
From: Chris Lorenzo <chiefcll@gmail.com>
Date: Wed, 21 Jan 2026 11:26:59 -0500
Subject: [PATCH 1/2] cache key value for shader nodes

---
 src/core/renderers/CoreShaderNode.ts | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)

diff --git a/src/core/renderers/CoreShaderNode.ts b/src/core/renderers/CoreShaderNode.ts
index 08baf52e..686bb33e 100644
--- a/src/core/renderers/CoreShaderNode.ts
+++ b/src/core/renderers/CoreShaderNode.ts
@@ -96,6 +96,10 @@ export class CoreShaderNode<Props extends object = Record<string, unknown>> {
   protected node: CoreNode | null = null;
   readonly time: CoreShaderType['time'] = undefined;
   update: (() => void) | undefined = undefined;
+  protected _valueKeyCache = '';
+  protected _valueKeyDirty = true;
+  protected _lastW = 0;
+  protected _lastH = 0;
 
   constructor(
     readonly shaderKey: string,
@@ -141,6 +145,7 @@ export class CoreShaderNode<Props extends object = Record<string, unknown>> {
           } else {
             this.resolvedProps![key] = value;
           }
+          this._valueKeyDirty = true;
 
           if (this.update !== undefined && this.node !== null) {
             this.node.setUpdateType(UpdateType.RecalcUniforms);
@@ -158,12 +163,27 @@ export class CoreShaderNode<Props extends object = Record<string, unknown>> {
   }
 
   createValueKey() {
+    if (
+      this._valueKeyDirty === false &&
+      this.node !== null &&
+      this.node.w === this._lastW &&
+      this.node.h === this._lastH
+    ) {
+      return this._valueKeyCache;
+    }
+
     let valueKey = '';
     for (const key in this.resolvedProps) {
       valueKey += `${key}:${this.resolvedProps[key]!};`;
     }
     valueKey += `node-width:${this.node!.w}`;
     valueKey += `node-height:${this.node!.h}`;
+
+    this._valueKeyCache = valueKey;
+    this._valueKeyDirty = false;
+    this._lastW = this.node!.w;
+    this._lastH = this.node!.h;
+
     return valueKey;
   }
 

From 477ed29d58bb1b59538d0e62ffd8de859998b207 Mon Sep 17 00:00:00 2001
From: Chris Lorenzo <chiefcll@gmail.com>
Date: Thu, 22 Jan 2026 07:58:21 -0500
Subject: [PATCH 2/2] change to private

---
 src/core/renderers/CoreShaderNode.ts | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/src/core/renderers/CoreShaderNode.ts b/src/core/renderers/CoreShaderNode.ts
index 686bb33e..991453e4 100644
--- a/src/core/renderers/CoreShaderNode.ts
+++ b/src/core/renderers/CoreShaderNode.ts
@@ -96,10 +96,10 @@ export class CoreShaderNode<Props extends object = Record<string, unknown>> {
   protected node: CoreNode | null = null;
   readonly time: CoreShaderType['time'] = undefined;
   update: (() => void) | undefined = undefined;
-  protected _valueKeyCache = '';
-  protected _valueKeyDirty = true;
-  protected _lastW = 0;
-  protected _lastH = 0;
+  private _valueKeyCache = '';
+  private _valueKeyDirty = true;
+  private _lastW = 0;
+  private _lastH = 0;
 
   constructor(
     readonly shaderKey: string,