      void main() {
                        `
                    );

                    shader.fragmentShader = shader.fragmentShader.replace(
                        '#include <lights_fragment_begin>',
                        ShaderChunk.lights_fragment_begin.replaceAll(
                            'RE_Direct( directLight, geometryPosition, geometryNormal, geometryViewDir, geometryClearcoatNormal, material, reflectedLight );',
                            /* glsl */ `
                            RE_Direct