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TextureStore example: Remove ShaderNode #26654

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Merged
merged 2 commits into from
Aug 27, 2023
Merged

TextureStore example: Remove ShaderNode #26654

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55fdc1b
Remove ShaderNode
sunag Aug 27, 2023
11d0a7a
cleanup
sunag Aug 27, 2023
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39 changes: 16 additions & 23 deletions examples/webgpu_compute_texture.html
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Original file line number Diff line number Diff line change
Expand Up @@ -27,7 +27,7 @@
<script type="module">

import * as THREE from 'three';
import { ShaderNode, texture, textureStore, wgslFn, instanceIndex, MeshBasicNodeMaterial } from 'three/nodes';
import { texture, textureStore, wgslFn, instanceIndex, MeshBasicNodeMaterial } from 'three/nodes';

import WebGPU from 'three/addons/capabilities/WebGPU.js';
import WebGPURenderer from 'three/addons/renderers/webgpu/WebGPURenderer.js';
Expand Down Expand Up @@ -64,38 +64,31 @@

// create function

const computeShaderNode = new ShaderNode( ( stack ) => {
const computeWGSL = wgslFn( `
fn computeWGSL( storageTex: texture_storage_2d<rgba8unorm, write>, index: u32 ) -> void {

// the first function will be the main one
let posX = index % ${ width };
let posY = index / ${ width };
let indexUV = vec2u( posX, posY );
let uv = getUV( posX, posY );

const computeWGSL = wgslFn( `
fn computeWGSL( storageTex: texture_storage_2d<rgba8unorm, write>, index:u32 ) -> void {
textureStore( storageTex, indexUV, vec4f( uv, 0, 1 ) );

let posX = index % ${ width };
let posY = index / ${ width };
let indexUV = vec2<u32>( posX, posY );
let uv = getUV( posX, posY );
}

textureStore( storageTex, indexUV, vec4f( uv, 0, 1 ) );
fn getUV( posX: u32, posY: u32 ) -> vec2f {

}
let uv = vec2f( f32( posX ) / ${ width }.0, f32( posY ) / ${ height }.0 );

fn getUV( posX:u32, posY:u32 ) -> vec2<f32> {
return uv;

let uv = vec2<f32>( f32( posX ) / ${ width }.0, f32( posY ) / ${ height }.0 );

return uv;

}
` );

stack.add( computeWGSL( { storageTex: textureStore( storageTexture ), index: instanceIndex } ) );

} );
}
` );

// compute

const computeNode = computeShaderNode.compute( width * height );
const computeWGSLCall = computeWGSL( { storageTex: textureStore( storageTexture ), index: instanceIndex } );
const computeNode = computeWGSLCall.compute( width * height );

const material = new MeshBasicNodeMaterial( { color: 0x00ff00 } );
material.colorNode = texture( storageTexture );
Expand Down