import { ShaderMaterial, UniformsUtils, WebGLRenderTarget } from 'three'; import { Pass, FullScreenQuad } from './Pass.js'; import { CopyShader } from '../shaders/CopyShader.js'; class SavePass extends Pass { constructor( renderTarget ) { super(); if ( CopyShader === undefined ) console.error( 'THREE.SavePass relies on CopyShader' ); 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 } ); this.renderTarget = renderTarget; if ( this.renderTarget === undefined ) { this.renderTarget = new WebGLRenderTarget(); // 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 };