2014-07-31 17:56:53 +10:00
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extern crate init = "gl-init-rs";
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extern crate libc;
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extern crate gl;
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use std::io::stdio::stdin;
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fn main() {
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use std::default::Default;
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// enumerating monitors
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let monitor = {
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for (num, monitor) in init::get_available_monitors().enumerate() {
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println!("Monitor #{}: {}", num, monitor.get_name());
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}
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print!("Please write the number of the monitor to use: ");
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2014-07-31 18:52:05 +10:00
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let num = from_str(stdin().read_line().unwrap().as_slice().trim())
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.expect("Plase enter a number");
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let monitor = init::get_available_monitors().nth(num).expect("Please enter a valid ID");
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2014-07-31 17:56:53 +10:00
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println!("Using {}", monitor.get_name());
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monitor
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};
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let window = init::Window::new(None, "Hello world!", &Default::default(),
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Some(monitor)).unwrap();
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unsafe { window.make_current() };
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gl::load_with(|symbol| window.get_proc_address(symbol) as *const libc::c_void);
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let version = {
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use std::c_str::CString;
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unsafe { CString::new(gl::GetString(gl::VERSION) as *const i8, false) }
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};
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println!("OpenGL version {}", version.as_str().unwrap());
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gl::ClearColor(0.0, 1.0, 0.0, 1.0);
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while !window.is_closed() {
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println!("{}", window.wait_events());
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gl::Clear(gl::COLOR_BUFFER_BIT);
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window.swap_buffers();
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}
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}
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