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extern crate glutin;
extern crate libc;
mod gl {
include!(concat!(env!("OUT_DIR"), "/test_gl_bindings.rs"));
}
#[cfg(feature = "headless")]
#[test]
fn main() {
let window = glutin::HeadlessRendererBuilder::new(1024, 768).build().unwrap();
unsafe { window.make_current() };
let gl = gl::Gl::load_with(|symbol| window.get_proc_address(symbol));
unsafe {
gl.ClearColor(0.0, 1.0, 0.0, 1.0);
gl.Clear(gl::COLOR_BUFFER_BIT);
let mut value: (u8, u8, u8, u8) = std::mem::uninitialized();
gl.ReadPixels(0, 0, 1, 1, gl::RGBA, gl::UNSIGNED_BYTE, std::mem::transmute(&mut value));
assert!(value == (0, 255, 0, 255) || value == (0, 64, 0, 255) ||
value == (0, 64, 0, 255) || value == (0, 64, 0, 0),
"value is: {}", value);
}
}
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