uniform vec4 u_color;
uniform float u_opacity;

#ifdef LIGHTING_3D_MODE
varying vec4 v_color;
#endif

void main() {
    vec4 out_color;
#ifdef LIGHTING_3D_MODE
    out_color = v_color;
#else
    out_color = u_color;
#endif
#ifdef FOG
    out_color = fog_dither(fog_apply_premultiplied(out_color, v_fog_pos));
#endif

    gl_FragColor = out_color * u_opacity;

#ifdef OVERDRAW_INSPECTOR
    gl_FragColor = vec4(1.0);
#endif
}