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GPUComputationRenderer: Make use of FullScreenQuad. #28637

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Merged
merged 1 commit into from
Jun 12, 2024
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GPUComputationRenderer: Make use of FullScreenQuad. #28637

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24 changes: 7 additions & 17 deletions examples/jsm/misc/GPUComputationRenderer.js
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Original file line number Diff line number Diff line change
@@ -1,17 +1,15 @@
import {
Camera,
ClampToEdgeWrapping,
DataTexture,
FloatType,
Mesh,
NearestFilter,
PlaneGeometry,
RGBAFormat,
Scene,
ShaderMaterial,
WebGLRenderTarget
} from 'three';

import { FullScreenQuad } from '../postprocessing/Pass.js';

/**
* GPUComputationRenderer, based on SimulationRenderer by zz85
*
Expand Down Expand Up @@ -119,20 +117,13 @@ class GPUComputationRenderer {

let dataType = FloatType;

const scene = new Scene();

const camera = new Camera();
camera.position.z = 1;

const passThruUniforms = {
passThruTexture: { value: null }
};

const passThruShader = createShaderMaterial( getPassThroughFragmentShader(), passThruUniforms );

const mesh = new Mesh( new PlaneGeometry( 2, 2 ), passThruShader );
scene.add( mesh );

const quad = new FullScreenQuad( passThruShader );

this.setDataType = function ( type ) {

Expand Down Expand Up @@ -284,8 +275,7 @@ class GPUComputationRenderer {

this.dispose = function () {

mesh.geometry.dispose();
mesh.material.dispose();
quad.dispose();

const variables = this.variables;

Expand Down Expand Up @@ -395,10 +385,10 @@ class GPUComputationRenderer {

renderer.xr.enabled = false; // Avoid camera modification
renderer.shadowMap.autoUpdate = false; // Avoid re-computing shadows
mesh.material = material;
quad.material = material;
renderer.setRenderTarget( output );
renderer.render( scene, camera );
mesh.material = passThruShader;
quad.render( renderer );
quad.material = passThruShader;

renderer.xr.enabled = currentXrEnabled;
renderer.shadowMap.autoUpdate = currentShadowAutoUpdate;
Expand Down