import Texture2D from "../Resource/Texture2D";

export default class TextureSizeCalculator {
  public static getPow2Size(width: number, height: number): { width: number, height: number } {
    const nw = Math.pow(2, Math.ceil(Math.log2(width))); // largest 2^n integer that does not exceed s
    const nh = Math.pow(2, Math.ceil(Math.log2(height))); // largest 2^n integer that does not exceed s
    return {
      width: Math.max(1, Math.min(nw, Texture2D.maxTextureSize)),
      height: Math.max(1, Math.min(nh, Texture2D.maxTextureSize)),
    };
  }
}