From 13a47956f956d3fbea157ab75899ba8f0d14951a Mon Sep 17 00:00:00 2001
From: Aaron Iker <aaron@anoma.ly>
Date: Fri, 16 Jan 2026 12:57:56 +0100
Subject: [PATCH] feat: performance improvements

---
 .../console/app/src/component/spotlight.tsx   | 25 +++++++++----------
 packages/console/app/src/routes/black.tsx     | 18 +++++--------
 2 files changed, 18 insertions(+), 25 deletions(-)

diff --git a/packages/console/app/src/component/spotlight.tsx b/packages/console/app/src/component/spotlight.tsx
index 99847c72fa..7043069905 100644
--- a/packages/console/app/src/component/spotlight.tsx
+++ b/packages/console/app/src/component/spotlight.tsx
@@ -413,10 +413,8 @@ const WGSL_SHADER = `
 
 const UNIFORM_BUFFER_SIZE = 144
 
-function createUniformBuffer(data: UniformData): Float32Array {
-  const buffer = new Float32Array(36)
+function updateUniformBuffer(buffer: Float32Array, data: UniformData): void {
   buffer[0] = data.iTime
-  buffer[1] = 0
   buffer[2] = data.iResolution[0]
   buffer[3] = data.iResolution[1]
   buffer[4] = data.lightPos[0]
@@ -444,11 +442,6 @@ function createUniformBuffer(data: UniformData): Float32Array {
   buffer[26] = data.particleSpeed
   buffer[27] = data.particleOpacity
   buffer[28] = data.particleDrift
-  buffer[29] = 0
-  buffer[30] = 0
-  buffer[31] = 0
-  buffer[32] = 0
-  return buffer
 }
 
 export default function Spotlight(props: SpotlightProps) {
@@ -462,7 +455,9 @@ export default function Spotlight(props: SpotlightProps) {
   let animationIdRef: number | null = null
   let cleanupFunctionRef: (() => void) | null = null
   let uniformDataRef: UniformData | null = null
+  let uniformArrayRef: Float32Array | null = null
   let configRef: SpotlightConfig = props.config()
+  let frameCount = 0
 
   const [isVisible, setIsVisible] = createSignal(false)
 
@@ -678,8 +673,9 @@ export default function Spotlight(props: SpotlightProps) {
 
         const timeSeconds = t * 0.001
         uniformDataRef.iTime = timeSeconds
+        frameCount++
 
-        if (props.onAnimationFrame) {
+        if (props.onAnimationFrame && frameCount % 2 === 0) {
           const pulsatingMin = configRef.pulsating !== false ? configRef.pulsating[0] : 1.0
           const pulsatingMax = configRef.pulsating !== false ? configRef.pulsating[1] : 1.0
           const pulseCenter = (pulsatingMin + pulsatingMax) * 0.5
@@ -691,18 +687,21 @@ export default function Spotlight(props: SpotlightProps) {
 
           const baseIntensity1 = 0.45 + 0.15 * Math.sin(timeSeconds * configRef.speed * 1.5)
           const baseIntensity2 = 0.3 + 0.2 * Math.cos(timeSeconds * configRef.speed * 1.1)
-          const intensity = (baseIntensity1 + baseIntensity2) * pulseValue
+          const intensity = Math.max((baseIntensity1 + baseIntensity2) * pulseValue, 0.55)
 
           props.onAnimationFrame({
             time: timeSeconds,
             intensity,
-            pulseValue,
+            pulseValue: Math.max(pulseValue, 0.9),
           })
         }
 
         try {
-          const uniformData = createUniformBuffer(uniformDataRef)
-          deviceRef.queue.writeBuffer(uniformBufferRef, 0, uniformData.buffer)
+          if (!uniformArrayRef) {
+            uniformArrayRef = new Float32Array(36)
+          }
+          updateUniformBuffer(uniformArrayRef, uniformDataRef)
+          deviceRef.queue.writeBuffer(uniformBufferRef, 0, uniformArrayRef.buffer)
 
           const commandEncoder = deviceRef.createCommandEncoder()
 
diff --git a/packages/console/app/src/routes/black.tsx b/packages/console/app/src/routes/black.tsx
index a8797c562c..b991a60a77 100644
--- a/packages/console/app/src/routes/black.tsx
+++ b/packages/console/app/src/routes/black.tsx
@@ -32,11 +32,11 @@ export default function BlackLayout(props: RouteSectionProps) {
     const wave3 = Math.sin(t * 0.8 + 2.5) * 0.5 + 0.5
 
     const shimmerPos = Math.sin(t * 0.7) * 0.5 + 0.5
-    const glowIntensity = state.intensity * state.pulseValue * 0.35
-    const fillOpacity = 0.1 + wave1 * 0.08 * state.pulseValue
-    const strokeBrightness = 55 + wave2 * 25 * state.pulseValue
+    const glowIntensity = Math.max(state.intensity * state.pulseValue * 0.35, 0.15)
+    const fillOpacity = Math.max(0.1 + wave1 * 0.08 * state.pulseValue, 0.12)
+    const strokeBrightness = Math.max(55 + wave2 * 25 * state.pulseValue, 60)
 
-    const shimmerIntensity = wave3 * 0.15 * state.pulseValue
+    const shimmerIntensity = Math.max(wave3 * 0.15 * state.pulseValue, 0.08)
 
     return {
       glowIntensity,
@@ -59,9 +59,7 @@ export default function BlackLayout(props: RouteSectionProps) {
     setSpotlightAnimationState(state)
   }
 
-  const spotlightConfig = createMemo(() => ({
-    ...defaultConfig,
-  }))
+  const spotlightConfig = () => defaultConfig
 
   return (
     <div data-page="black">
@@ -87,11 +85,7 @@ export default function BlackLayout(props: RouteSectionProps) {
       />
       <Meta name="twitter:image" content="/social-share-black.png" />
 
-      <Spotlight
-        config={spotlightConfig}
-        class="header-spotlight"
-        onAnimationFrame={handleAnimationFrame}
-      />
+      <Spotlight config={spotlightConfig} class="header-spotlight" onAnimationFrame={handleAnimationFrame} />
 
       <header data-component="header">
         <A href="/" data-component="header-logo">