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WebGPURenderer: Apply fog before tonemapping and encoding (#27850)
* WebGPURenderer: Apply fog before tonemapping and encoding * TSL: Add `rendererReference` * PassNode: Add `getViewZNode()` * FogNode: Add `.getViewZNode()`, removed `mixAssign()` * TSL: Add `toneMappingExposure` * PostProcessing: Add `.renderAsync()` * Add `webgpu_custom_fog_background` example * cleanup * cleanup * improve description * update example * FogNode: Use getViewZ() in context instead of viewZ as Node
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| Original file line number | Diff line number | Diff line change |
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| import ReferenceNode from './ReferenceNode.js'; | ||
| import { addNodeClass } from '../core/Node.js'; | ||
| import { nodeObject } from '../shadernode/ShaderNode.js'; | ||
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| class RendererReferenceNode extends ReferenceNode { | ||
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| constructor( property, inputType, renderer = null ) { | ||
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| super( property, inputType, renderer ); | ||
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| this.renderer = renderer; | ||
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| } | ||
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| setReference( state ) { | ||
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| this.reference = this.renderer !== null ? this.renderer : state.renderer; | ||
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| return this.reference; | ||
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| } | ||
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| } | ||
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| export default RendererReferenceNode; | ||
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| export const rendererReference = ( name, type, renderer ) => nodeObject( new RendererReferenceNode( name, type, renderer ) ); | ||
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| addNodeClass( 'RendererReferenceNode', RendererReferenceNode ); |
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,150 @@ | ||
| <!DOCTYPE html> | ||
| <html lang="en"> | ||
| <head> | ||
| <title>three.js webgpu - custom fog background</title> | ||
| <meta charset="utf-8"> | ||
| <meta name="viewport" content="width=device-width, user-scalable=no, minimum-scale=1.0, maximum-scale=1.0"> | ||
| <link type="text/css" rel="stylesheet" href="main.css"> | ||
| <style> | ||
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| #info { | ||
| background-color: #0066ff; | ||
| } | ||
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| </style> | ||
| </head> | ||
| <body> | ||
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| <div id="info"> | ||
| <a href="https://threejs.org" target="_blank" rel="noopener">three.js</a> - webgpu custom fog background<br /> | ||
| Battle Damaged Sci-fi Helmet by | ||
| <a href="https://sketchfab.com/theblueturtle_" target="_blank" rel="noopener">theblueturtle_</a><br /> | ||
| <a href="https://hdrihaven.com/hdri/?h=royal_esplanade" target="_blank" rel="noopener">Royal Esplanade</a> by <a href="https://hdrihaven.com/" target="_blank" rel="noopener">HDRI Haven</a> | ||
| </div> | ||
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| <script type="importmap"> | ||
| { | ||
| "imports": { | ||
| "three": "../build/three.module.js", | ||
| "three/addons/": "./jsm/", | ||
| "three/nodes": "./jsm/nodes/Nodes.js" | ||
| } | ||
| } | ||
| </script> | ||
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| <script type="module"> | ||
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| import * as THREE from 'three'; | ||
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| import WebGPURenderer from 'three/addons/renderers/webgpu/WebGPURenderer.js'; | ||
| import PostProcessing from 'three/addons/renderers/common/PostProcessing.js'; | ||
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| import { pass, color, rangeFog } from 'three/nodes'; | ||
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| import { RGBELoader } from 'three/addons/loaders/RGBELoader.js'; | ||
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| import { OrbitControls } from 'three/addons/controls/OrbitControls.js'; | ||
| import { GLTFLoader } from 'three/addons/loaders/GLTFLoader.js'; | ||
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| let camera, scene, renderer; | ||
| let postProcessing; | ||
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| init(); | ||
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| function init() { | ||
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| const container = document.createElement( 'div' ); | ||
| document.body.appendChild( container ); | ||
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| camera = new THREE.PerspectiveCamera( 45, window.innerWidth / window.innerHeight, 0.25, 20 ); | ||
| camera.position.set( - 1.8, 0.6, 2.7 ); | ||
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| scene = new THREE.Scene(); | ||
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| renderer = new WebGPURenderer( { antialias: true } ); | ||
| renderer.setPixelRatio( window.devicePixelRatio ); | ||
| renderer.setSize( window.innerWidth, window.innerHeight ); | ||
| //renderer.toneMapping = THREE.ACESFilmicToneMapping; // apply tone mapping in post processing | ||
| container.appendChild( renderer.domElement ); | ||
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| // post processing | ||
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| // render scene pass ( the same of css ) | ||
| const scenePass = pass( scene, camera ); | ||
| const scenePassViewZ = scenePass.getViewZNode(); | ||
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| // background color | ||
| const backgroundColor = color( 0x0066ff ); | ||
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| // get fog factor from scene pass context | ||
| // equivalent to: scene.fog = new THREE.Fog( 0x0066ff, 2.7, 4 ); | ||
| const fogFactor = rangeFog( null, 2.7, 4 ).context( { getViewZ: () => scenePassViewZ } ); | ||
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| // tone mapping scene pass | ||
| const scenePassTM = scenePass.toneMapping( THREE.ACESFilmicToneMapping ); | ||
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| // mix fog from fog factor and background color | ||
| const compose = fogFactor.mix( scenePassTM, backgroundColor ); | ||
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| postProcessing = new PostProcessing( renderer ); | ||
| postProcessing.outputNode = compose; | ||
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| // | ||
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| new RGBELoader() | ||
| .setPath( 'textures/equirectangular/' ) | ||
| .load( 'royal_esplanade_1k.hdr', function ( texture ) { | ||
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| texture.mapping = THREE.EquirectangularReflectionMapping; | ||
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| scene.environment = texture; | ||
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| // model | ||
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| const loader = new GLTFLoader().setPath( 'models/gltf/DamagedHelmet/glTF/' ); | ||
| loader.load( 'DamagedHelmet.gltf', function ( gltf ) { | ||
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| scene.add( gltf.scene ); | ||
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| render(); | ||
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| } ); | ||
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| } ); | ||
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| // | ||
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| const controls = new OrbitControls( camera, renderer.domElement ); | ||
| controls.minDistance = 2; | ||
| controls.maxDistance = 5; | ||
| controls.target.set( 0, - 0.1, - 0.2 ); | ||
| controls.update(); | ||
| controls.addEventListener( 'change', render ); // use if there is no animation loop | ||
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| window.addEventListener( 'resize', onWindowResize ); | ||
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| } | ||
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| function onWindowResize() { | ||
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| camera.aspect = window.innerWidth / window.innerHeight; | ||
| camera.updateProjectionMatrix(); | ||
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| renderer.setSize( window.innerWidth, window.innerHeight ); | ||
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| render(); | ||
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| } | ||
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| // | ||
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| function render() { | ||
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| postProcessing.renderAsync(); | ||
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| } | ||
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| </script> | ||
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| </body> | ||
| </html> |