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public/sdk/three/jsm/postprocessing/TexturePass.js

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+import {
+	ShaderMaterial,
+	UniformsUtils
+} from 'three';
+import { Pass, FullScreenQuad } from './Pass.js';
+import { CopyShader } from '../shaders/CopyShader.js';
+
+class TexturePass extends Pass {
+
+	constructor( map, opacity ) {
+
+		super();
+
+		const shader = CopyShader;
+
+		this.map = map;
+		this.opacity = ( opacity !== undefined ) ? opacity : 1.0;
+
+		this.uniforms = UniformsUtils.clone( shader.uniforms );
+
+		this.material = new ShaderMaterial( {
+
+			uniforms: this.uniforms,
+			vertexShader: shader.vertexShader,
+			fragmentShader: shader.fragmentShader,
+			depthTest: false,
+			depthWrite: false,
+			premultipliedAlpha: true
+
+		} );
+
+		this.needsSwap = false;
+
+		this.fsQuad = new FullScreenQuad( null );
+
+	}
+
+	render( renderer, writeBuffer, readBuffer /*, deltaTime, maskActive */ ) {
+
+		const oldAutoClear = renderer.autoClear;
+		renderer.autoClear = false;
+
+		this.fsQuad.material = this.material;
+
+		this.uniforms[ 'opacity' ].value = this.opacity;
+		this.uniforms[ 'tDiffuse' ].value = this.map;
+		this.material.transparent = ( this.opacity < 1.0 );
+
+		renderer.setRenderTarget( this.renderToScreen ? null : readBuffer );
+		if ( this.clear ) renderer.clear();
+		this.fsQuad.render( renderer );
+
+		renderer.autoClear = oldAutoClear;
+
+	}
+
+	dispose() {
+
+		this.material.dispose();
+
+		this.fsQuad.dispose();
+
+	}
+
+}
+
+export { TexturePass };