animate/webGl/my-threejs-test/node_modules/three/examples/jsm/postprocessing/SavePass.js

80 lines
1.4 KiB
JavaScript
Raw Normal View History

2024-06-24 09:24:00 +00:00
import {
HalfFloatType,
NoBlending,
ShaderMaterial,
UniformsUtils,
WebGLRenderTarget
} from 'three';
import { Pass, FullScreenQuad } from './Pass.js';
import { CopyShader } from '../shaders/CopyShader.js';
class SavePass extends Pass {
constructor( renderTarget ) {
super();
const shader = CopyShader;
this.textureID = 'tDiffuse';
this.uniforms = UniformsUtils.clone( shader.uniforms );
this.material = new ShaderMaterial( {
uniforms: this.uniforms,
vertexShader: shader.vertexShader,
fragmentShader: shader.fragmentShader,
blending: NoBlending
} );
this.renderTarget = renderTarget;
if ( this.renderTarget === undefined ) {
this.renderTarget = new WebGLRenderTarget( 1, 1, { type: HalfFloatType } ); // will be resized later
this.renderTarget.texture.name = 'SavePass.rt';
}
this.needsSwap = false;
this.fsQuad = new FullScreenQuad( this.material );
}
render( renderer, writeBuffer, readBuffer/*, deltaTime, maskActive */ ) {
if ( this.uniforms[ this.textureID ] ) {
this.uniforms[ this.textureID ].value = readBuffer.texture;
}
renderer.setRenderTarget( this.renderTarget );
if ( this.clear ) renderer.clear();
this.fsQuad.render( renderer );
}
setSize( width, height ) {
this.renderTarget.setSize( width, height );
}
dispose() {
this.renderTarget.dispose();
this.material.dispose();
this.fsQuad.dispose();
}
}
export { SavePass };