R3F-Perf

Easily monitor the performances of your @react-three/fiber application.

Add the Perf component anywhere in your Canvas.

Installation

yarn add --dev r3f-perf

Options

logsPerSecond?: 10, // Refresh rate of the logs
antialias?: true, // Take a bit more performances but render the text with antialiasing
overClock?: false, // Disable the limitation of the monitor refresh rate for the fps
deepAnalyze?: false, // More detailed informations about gl programs
showGraph?: true // show the graphs
minimal?: false // condensed version with the most important informations (gpu/memory/fps/custom data)
customData?: {
  value: 0, // initial value,
  name: '', // name to show
  round: 2, // precision of the float
  info: '', // additional information about the data (fps/ms for instance)
}
matrixUpdate?: false // count the number of time matrixWorldUpdate is called per frame
chart?: {
  hz: 60, // graphs refresh frequency parameter
  length: 120, // number of values shown on the monitor
}
colorBlind?: false // Color blind colors for accessibility
className?: '' // override CSS class
style?: {} // override style
position?: 'top-right'|'top-left'|'bottom-right'|'bottom-left' // quickly set the position, default is top-right

Usage

import { Canvas } from '@react-three/fiber'
import { Perf } from 'r3f-perf'

function App() {
  return (
    <Canvas>
      <Perf />
    </Canvas>
  )
}

Usage without interface : PerfHeadless

Codesandbox Example

import { Canvas } from '@react-three/fiber'
import { PerfHeadless, usePerf } from 'r3f-perf'

const PerfHook = () => {
  // getPerf() is also available for non-reactive way
  const [gl, log, getReport] = usePerf((s) => s[(s.gl, s.log, s.getReport)])
  console.log(gl, log, getReport())
  return <PerfHeadless />
}

function App() {
  return (
    <Canvas>
      <PerfHook />
    </Canvas>
  )
}

Custom Data

import { setCustomData, getCustomData } from 'r3f-perf'

const UpdateCustomData = () => {
  // recommended to throttle to 1sec for readability
  useFrame(() => {
    setCustomData(55 + Math.random() * 5) // will update the panel with the current information
  })
  return null
}

SSR

The tool work with any server side rendering framework. You can try with Next and @react-three/fiber using this starter : https://github.com/pmndrs/react-three-next

utsuboco/r3f-perf