mirror of
https://github.com/italicsjenga/winit-sonoma-fix.git
synced 2024-10-17 23:41:33 +11:00
35 lines
822 B
Rust
35 lines
822 B
Rust
#![feature(phase)]
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#![feature(tuple_indexing)]
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#[phase(plugin)]
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extern crate gl_generator;
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extern crate glutin;
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extern crate libc;
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mod gl {
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generate_gl_bindings! {
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api: "gl",
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profile: "core",
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version: "1.1",
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generator: "struct"
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}
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}
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#[cfg(feature = "headless")]
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#[test]
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fn main() {
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let window = glutin::HeadlessRendererBuilder::new(1024, 768).build().unwrap();
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unsafe { window.make_current() };
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let gl = gl::Gl::load_with(|symbol| window.get_proc_address(symbol));
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gl.ClearColor(0.0, 1.0, 0.0, 1.0);
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gl.Clear(gl::COLOR_BUFFER_BIT);
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let mut value: (u8, u8, u8, u8) = unsafe { std::mem::uninitialized() };
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unsafe { gl.ReadPixels(0, 0, 1, 1, gl::RGBA, gl::UNSIGNED_BYTE, std::mem::transmute(&mut value)) };
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assert_eq!(value, (0, 255, 0, 255));
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}
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