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webgl_postprocessing_taa.html
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<!DOCTYPE html>
<html lang="en">
<head>
<title>three.js webgl - postprocessing manual taa and ssaa</title>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, user-scalable=no, minimum-scale=1.0, maximum-scale=1.0">
<style>
body {
margin: 0px;
background-color: #000;
overflow: hidden;
font-family:Monospace;
font-size:13px;
margin: 0px;
text-align:center;
overflow: hidden;
}
a { color: #88f; }
#info {
color: #fff;
position: absolute;
top: 10px;
width: 100%;
text-align: center;
display:block;
}
</style>
</head>
<body>
<div id="info">
<a href="http://threejs.org" target="_blank" rel="noopener">three.js</a> - Temporal Anti-Aliasing (TAA) pass by <a href="https://clara.io" target="_blank" rel="noopener">Ben Houston</a><br/><br/>
When there is no motion in the scene, the TAA render pass accumulates jittered camera samples<br/>
across frames to create a high quality anti-aliased result.<br/><br/>
Texture interpolation, mipmapping and anistropic sampling is disabled to emphasize<br/> the effect SSAA levels have one the resulting render quality.
</div>
<div id="container"></div>
<script src="../build/three.js"></script>
<script src="js/libs/stats.min.js"></script>
<script src="js/libs/dat.gui.min.js"></script>
<script src="js/shaders/CopyShader.js"></script>
<script src="js/postprocessing/EffectComposer.js"></script>
<script src="js/postprocessing/SSAARenderPass.js"></script>
<script src="js/postprocessing/TAARenderPass.js"></script>
<script src="js/postprocessing/RenderPass.js"></script>
<script src="js/postprocessing/MaskPass.js"></script>
<script src="js/postprocessing/ShaderPass.js"></script>
<script>
var camera, scene, renderer, composer, copyPass, taaRenderPass, renderPass;
var gui, stats, texture;
var param = { TAAEnabled: "1", TAASampleLevel: 0 };
init();
animate();
clearGui();
function clearGui() {
if ( gui ) gui.destroy();
gui = new dat.GUI();
gui.add( param, 'TAAEnabled', {
'Disabled': '0',
'Enabled': '1'
} ).onFinishChange( function() {
if( taaRenderPass ) {
taaRenderPass.enabled = ( param.TAAEnabled === "1" );
renderPass.enabled = ( param.TAAEnabled !== "1" );
}
} );
gui.add( param, 'TAASampleLevel', {
'Level 0: 1 Sample': 0,
'Level 1: 2 Samples': 1,
'Level 2: 4 Samples': 2,
'Level 3: 8 Samples': 3,
'Level 4: 16 Samples': 4,
'Level 5: 32 Samples': 5
} ).onFinishChange( function() {
if( taaRenderPass ) {
taaRenderPass.sampleLevel = param.TAASampleLevel;
}
} );
gui.open();
}
function init() {
var container = document.getElementById( "container" );
renderer = new THREE.WebGLRenderer();
renderer.setPixelRatio( window.devicePixelRatio );
renderer.setSize( window.innerWidth, window.innerHeight );
document.body.appendChild( renderer.domElement );
stats = new Stats();
container.appendChild( stats.dom );
//
camera = new THREE.PerspectiveCamera( 70, window.innerWidth / window.innerHeight, 1, 1000 );
camera.position.z = 300;
scene = new THREE.Scene();
var geometry = new THREE.BoxBufferGeometry( 120, 120, 120 );
var material = new THREE.MeshBasicMaterial( { color: 0xffffff, wireframe: true } );
var mesh = new THREE.Mesh( geometry, material );
mesh.position.x = - 100;
scene.add( mesh );
var texture = new THREE.TextureLoader().load( "textures/brick_diffuse.jpg" );
texture.minFilter = THREE.NearestFilter;
texture.magFilter = THREE.NearestFilter;
texture.anisotropy = 1;
texture.generateMipmaps = false;
var material = new THREE.MeshBasicMaterial( { map: texture } );
var mesh = new THREE.Mesh( geometry, material );
mesh.position.x = 100;
scene.add( mesh );
// postprocessing
composer = new THREE.EffectComposer( renderer );
taaRenderPass = new THREE.TAARenderPass( scene, camera );
taaRenderPass.unbiased = false;
composer.addPass( taaRenderPass );
renderPass = new THREE.RenderPass( scene, camera );
renderPass.enabled = false;
composer.addPass( renderPass );
copyPass = new THREE.ShaderPass( THREE.CopyShader );
copyPass.renderToScreen = true;
composer.addPass( copyPass );
window.addEventListener( 'resize', onWindowResize, false );
}
function onWindowResize() {
var width = window.innerWidth;
var height = window.innerHeight;
camera.aspect = width / height;
camera.updateProjectionMatrix();
renderer.setSize( width, height );
var pixelRatio = renderer.getPixelRatio();
var newWidth = Math.floor( width / pixelRatio ) || 1;
var newHeight = Math.floor( height / pixelRatio ) || 1;
composer.setSize( newWidth, newHeight );
}
function animate() {
this.index = this.index || 0;
requestAnimationFrame( animate );
this.index ++;
if( Math.round( this.index / 200 ) % 2 === 0 ) {
for ( var i = 0; i < scene.children.length; i ++ ) {
var child = scene.children[ i ];
child.rotation.x += 0.005;
child.rotation.y += 0.01;
}
if( taaRenderPass ) taaRenderPass.accumulate = false;
}
else {
if( taaRenderPass ) taaRenderPass.accumulate = true;
}
composer.render();
stats.update();
}
</script>
</body>
</html>