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Examples: Visualize normal as color in inspector webgpu_postprocessing_ao #32141

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Merged
merged 2 commits into from
Oct 29, 2025
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Examples: Visualize normal as color in inspector webgpu_postprocessing_ao #32141

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661889d
fix debug view: normal
ycw Oct 29, 2025
6341ae7
move inspector AO to `aoPass.r`
sunag Oct 29, 2025
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12 changes: 8 additions & 4 deletions examples/webgpu_postprocessing_ao.html
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Expand Up @@ -36,7 +36,7 @@
<script type="module">

import * as THREE from 'three/webgpu';
import { pass, mrt, output, normalView, velocity, vec3, vec4 } from 'three/tsl';
import { pass, mrt, output, normalView, velocity, vec3, vec4, directionToColor } from 'three/tsl';
import { ao } from 'three/addons/tsl/display/GTAONode.js';
import { traa } from 'three/addons/tsl/display/TRAANode.js';

Expand Down Expand Up @@ -114,15 +114,19 @@
return scenePass.getLinearDepthNode();

} );
const scenePassNormal = scenePass.getTextureNode( 'normal' ).toInspector( 'Normal' );
const scenePassNormal = scenePass.getTextureNode( 'normal' ).toInspector( 'Normal', () => {

return directionToColor( scenePassNormal.sample() );
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@Methuselah96 Methuselah96 Oct 30, 2025

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Is it intentional that .sample() doesn't take a parameter?

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@ycw ycw Oct 30, 2025

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I'm not sure, but it should be designed to work like TSL.texture(t, /* optional uv */)

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@ycw ycw Oct 30, 2025

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#32146


} );
const scenePassVelocity = scenePass.getTextureNode( 'velocity' ).toInspector( 'Velocity' );

// ao

aoPass = ao( scenePassDepth, scenePassNormal, camera ).toInspector( 'AO' );
aoPass = ao( scenePassDepth, scenePassNormal, camera );
aoPass.resolutionScale = 0.5; // running AO in half resolution is often sufficient
aoPass.useTemporalFiltering = true;
blendPassAO = vec4( scenePassColor.rgb.mul( aoPass.r ), scenePassColor.a ); // the AO is stored only in the red channel
blendPassAO = vec4( scenePassColor.rgb.mul( aoPass.r.toInspector( 'AO' ) ), scenePassColor.a ); // the AO is stored only in the red channel

// traa

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