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Mugen87 merged 2 commits into from
Sep 11, 2025
Merged

Examples: Clean up. #31887

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cf977f9
Examples: Clean up.
Mugen87 Sep 11, 2025
2504fc3
Update E2E screenshot.
Mugen87 Sep 11, 2025
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56 changes: 37 additions & 19 deletions examples/webgpu_postprocessing_ssgi.html
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Original file line number Diff line number Diff line change
Expand Up @@ -28,7 +28,7 @@
<script type="module">

import * as THREE from 'three/webgpu';
import { pass, mrt, output, normalView, diffuseColor, velocity, add, vec3, vec4 } from 'three/tsl';
import { pass, mrt, output, normalView, diffuseColor, velocity, add, vec3, vec4, directionToColor, colorToDirection, sample } from 'three/tsl';
import { ssgi } from 'three/addons/tsl/display/SSGINode.js';
import { traa } from 'three/addons/tsl/display/TRAANode.js';

Expand Down Expand Up @@ -79,7 +79,7 @@
scenePass.setMRT( mrt( {
output: output,
diffuseColor: diffuseColor,
normal: normalView,
normal: directionToColor( normalView ),
velocity: velocity
} ) );

Expand All @@ -89,9 +89,23 @@
const scenePassNormal = scenePass.getTextureNode( 'normal' );
const scenePassVelocity = scenePass.getTextureNode( 'velocity' );

// bandwidth optimization

const diffuseTexture = scenePass.getTexture( 'diffuseColor' );
diffuseTexture.type = THREE.UnsignedByteType;

const normalTexture = scenePass.getTexture( 'normal' );
normalTexture.type = THREE.UnsignedByteType;

const sceneNormal = sample( ( uv ) => {

return colorToDirection( scenePassNormal.sample( uv ) );

} );

// gi

const giPass = ssgi( scenePassColor, scenePassDepth, scenePassNormal, camera );
const giPass = ssgi( scenePassColor, scenePassDepth, sceneNormal, camera );
giPass.sliceCount.value = 2;
giPass.stepCount.value = 8;

Expand All @@ -100,7 +114,7 @@
const gi = giPass.rgb;
const ao = giPass.a;

const compositePass = vec4( add ( scenePassColor.rgb.mul( ao ), ( scenePassDiffuse.rgb.mul( gi ) ) ), scenePassColor.a );
const compositePass = vec4( add( scenePassColor.rgb.mul( ao ), ( scenePassDiffuse.rgb.mul( gi ) ) ), scenePassColor.a );

// traa

Expand Down Expand Up @@ -133,9 +147,21 @@

const gui = new GUI();
gui.title( 'SSGI settings' );
let outputDropdown = gui.add( params, 'output', types );
outputDropdown.onChange( value => {

gui.add( params, 'output', types ).onChange( updatePostprocessing );
gui.add( giPass.sliceCount, 'value', 1, 4 ).step( 1 ).name( 'slice count' );
gui.add( giPass.stepCount, 'value', 1, 32 ).step( 1 ).name( 'step count' );
gui.add( giPass.radius, 'value', 1, 25 ).name( 'radius' );
gui.add( giPass.expFactor, 'value', 1, 3 ).name( 'exp factor' );
gui.add( giPass.thickness, 'value', 0.01, 10 ).name( 'thickness' );
gui.add( giPass.backfaceLighting, 'value', 0, 1 ).name( 'backface lighting' );
gui.add( giPass.aoIntensity, 'value', 0, 4 ).name( 'AO intenstiy' );
gui.add( giPass.giIntensity, 'value', 0, 100 ).name( 'GI intenstiy' );
gui.add( giPass.useLinearThickness, 'value' ).name( 'use linear thickness' );
gui.add( giPass.useScreenSpaceSampling, 'value' ).name( 'screen-space sampling' );
gui.add( giPass, 'useTemporalFiltering' ).name( 'temporal filtering' ).onChange( updatePostprocessing );

function updatePostprocessing( value ) {

if ( value === 1 ) {

postProcessing.outputNode = vec4( vec3( ao ), 1 );
Expand All @@ -156,18 +182,10 @@

postProcessing.needsUpdate = true;

} );
gui.add( giPass.sliceCount, 'value', 1, 4 ).step( 1 ).name( 'slice count' );
gui.add( giPass.stepCount, 'value', 1, 32 ).step( 1 ).name( 'step count' );
gui.add( giPass.radius, 'value', 1, 25 ).name( 'radius' );
gui.add( giPass.expFactor, 'value', 1, 3 ).name( 'exp factor' );
gui.add( giPass.thickness, 'value', 0.01, 10 ).name( 'thickness' );
gui.add( giPass.backfaceLighting, 'value', 0, 1 ).name( 'backface lighting' );
gui.add( giPass.aoIntensity, 'value', 0, 4 ).name( 'AO intenstiy' );
gui.add( giPass.giIntensity, 'value', 0, 100 ).name( 'GI intenstiy' );
gui.add( giPass.useLinearThickness, 'value' ).name( 'use linear thickness' );
gui.add( giPass.useScreenSpaceSampling, 'value' ).name( 'screen-space sampling' );
gui.add( giPass, 'useTemporalFiltering' ).name( 'temporal filtering' ).onChange( outputDropdown._onChange );

}


}

function onWindowResize() {
Expand Down
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