Function wlc_sys_with_elogind::wlc_output_set_gamma

pub unsafe extern "C" fn wlc_output_set_gamma(
    output: wlc_handle, 
    size: u16, 
    r: *mut u16, 
    g: *mut u16, 
    b: *mut u16
)

Set gamma. R, G, and B are color ramp arrays of size elements.