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node_modules/three/examples/js/postprocessing/TexturePass.js

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+/**
+ * @author alteredq / http://alteredqualia.com/
+ */
+
+THREE.TexturePass = function ( map, opacity ) {
+
+	THREE.Pass.call( this );
+
+	if ( THREE.CopyShader === undefined )
+		console.error( "THREE.TexturePass relies on THREE.CopyShader" );
+
+	var shader = THREE.CopyShader;
+
+	this.map = map;
+	this.opacity = ( opacity !== undefined ) ? opacity : 1.0;
+
+	this.uniforms = THREE.UniformsUtils.clone( shader.uniforms );
+
+	this.material = new THREE.ShaderMaterial( {
+
+		uniforms: this.uniforms,
+		vertexShader: shader.vertexShader,
+		fragmentShader: shader.fragmentShader,
+		depthTest: false,
+		depthWrite: false
+
+	} );
+
+	this.needsSwap = false;
+
+	this.camera = new THREE.OrthographicCamera( - 1, 1, 1, - 1, 0, 1 );
+	this.scene  = new THREE.Scene();
+
+	this.quad = new THREE.Mesh( new THREE.PlaneBufferGeometry( 2, 2 ), null );
+	this.quad.frustumCulled = false; // Avoid getting clipped
+	this.scene.add( this.quad );
+
+};
+
+THREE.TexturePass.prototype = Object.assign( Object.create( THREE.Pass.prototype ), {
+
+	constructor: THREE.TexturePass,
+
+	render: function ( renderer, writeBuffer, readBuffer, delta, maskActive ) {
+
+		var oldAutoClear = renderer.autoClear;
+		renderer.autoClear = false;
+
+		this.quad.material = this.material;
+
+		this.uniforms[ "opacity" ].value = this.opacity;
+		this.uniforms[ "tDiffuse" ].value = this.map;
+		this.material.transparent = ( this.opacity < 1.0 );
+
+		renderer.render( this.scene, this.camera, this.renderToScreen ? null : readBuffer, this.clear );
+
+		renderer.autoClear = oldAutoClear;
+	}
+
+} );