three-stdlib/postprocessing/SavePass.js

stand-alone library of threejs examples

import { UniformsUtils, ShaderMaterial, NoBlending, WebGLRenderTarget } from "three";
import { Pass, FullScreenQuad } from "./Pass.js";
import { CopyShader } from "../shaders/CopyShader.js";
class SavePass extends Pass {
  constructor(renderTarget) {
    super();
    if (CopyShader === void 0)
      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,
      blending: NoBlending
    });
    this.renderTarget = renderTarget;
    if (this.renderTarget === void 0) {
      this.renderTarget = new WebGLRenderTarget(window.innerWidth, window.innerHeight);
      this.renderTarget.texture.name = "SavePass.rt";
    }
    this.needsSwap = false;
    this.fsQuad = new FullScreenQuad(this.material);
  }
  render(renderer, writeBuffer, readBuffer) {
    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);
  }
}
export {
  SavePass
};
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