code: function LGraphTextureGlow() {
              this.addInput("in", "Texture");
              this.addInput("dirt", "Texture");
              this.addOutput("out", "Texture");
              this.addOutput("glow", "Texture");
              this.properties = {
                  enabled: true,
                  intensity: 1,
                  persistence: 0.99,
                  iterations: 16,
                  threshold: 0,
                  scale: 1,
                  dirt_factor: 0.5,
                  precision: LGraphTexture.DEFAULT
              };
              this._textures = [];
              this._uniforms = {
                  u_intensity: 1,
                  u_texture: 0,
                  u_glow_texture: 1,
                  u_threshold: 0,
                  u_texel_size: vec2.create()
              };
          }
docs: Texture Glow ***************************************** based in https://catlikecoding.com/unity/tutorials/advanced-rendering/bloom/