最新代码

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

@@ -0,0 +1,79 @@
+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 };