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+/**
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+ * @author alteredq / http://alteredqualia.com/
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+ */
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+
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+import {
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+ LinearFilter,
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+ RGBFormat,
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+ ShaderMaterial,
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+ UniformsUtils,
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+ WebGLRenderTarget
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+} from "../../../build/three.module.js";
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+import { Pass } from "../postprocessing/Pass.js";
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+import { CopyShader } from "../shaders/CopyShader.js";
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+
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+var SavePass = function ( renderTarget ) {
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+
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+ Pass.call( this );
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+
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+ if ( CopyShader === undefined )
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+ console.error( "SavePass relies on CopyShader" );
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+
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+ var shader = CopyShader;
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+
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+ this.textureID = "tDiffuse";
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+
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+ this.uniforms = UniformsUtils.clone( shader.uniforms );
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+
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+ this.material = new ShaderMaterial( {
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+
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+ uniforms: this.uniforms,
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+ vertexShader: shader.vertexShader,
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+ fragmentShader: shader.fragmentShader
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+
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+ } );
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+
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+ this.renderTarget = renderTarget;
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+
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+ if ( this.renderTarget === undefined ) {
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+
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+ this.renderTarget = new WebGLRenderTarget( window.innerWidth, window.innerHeight, { minFilter: LinearFilter, magFilter: LinearFilter, format: RGBFormat, stencilBuffer: false } );
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+ this.renderTarget.texture.name = "SavePass.rt";
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+
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+ }
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+
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+ this.needsSwap = false;
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+
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+ this.fsQuad = new Pass.FullScreenQuad( this.material );
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+
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+};
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+
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+SavePass.prototype = Object.assign( Object.create( Pass.prototype ), {
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+
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+ constructor: SavePass,
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+
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+ render: function ( renderer, writeBuffer, readBuffer ) {
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+
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+ if ( this.uniforms[ this.textureID ] ) {
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+
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+ this.uniforms[ this.textureID ].value = readBuffer.texture;
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+
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+ }
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+
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+ renderer.setRenderTarget( this.renderTarget );
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+ if ( this.clear ) renderer.clear();
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+ this.fsQuad.render( renderer );
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+
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+ }
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+
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+} );
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+
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+export { SavePass };
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