Transition.js

import {PixelRatio} from "react-native";
import React from "react";
import GL from "gl-react";

module.exports = GL.createComponent(
  ({ width, height, shader, progress, from, to, uniforms }) => {
    const scale = PixelRatio.get();
    return <GL.Node
      preload
      shader={shader}
      width={width}
      height={height}
      backgroundColor="transparent"
      uniforms={{
        progress,
        from,
        to,
        ...uniforms,
        resolution: [ width * scale, height * scale ]
      }}
    />;
  },
  { displayName: "Transition" });