1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
|
//! OpenGL bindings.
#![deny(clippy::all, clippy::pedantic, missing_docs)]
pub use ffi::*;
include!(concat!(env!("OUT_DIR"), "/generated.rs"));
mod ffi
{
#![allow(
non_upper_case_globals,
non_camel_case_types,
non_snake_case,
unused,
missing_docs,
clippy::unreadable_literal
)]
include!(concat!(env!("OUT_DIR"), "/bindings.rs"));
}
#[cfg(test)]
mod tests
{
use std::mem::transmute;
use std::sync::atomic::{AtomicBool, Ordering};
use super::*;
#[test]
fn can_set_and_use_command_function()
{
static HAS_CALLED_FUNC: AtomicBool = AtomicBool::new(false);
extern "C" fn func(x: GLint, y: GLint, width: GLsizei, height: GLsizei)
{
assert_eq!(x, 123);
assert_eq!(y, 9);
assert_eq!(width, 1920);
assert_eq!(height, 1080);
HAS_CALLED_FUNC.store(true, Ordering::Relaxed);
}
unsafe {
functions::glViewport = transmute(func as *const ());
}
unsafe {
Viewport(123, 9, 1920, 1080);
}
assert!(HAS_CALLED_FUNC.load(Ordering::Relaxed));
}
#[test]
#[should_panic]
fn no_set_command_function_ptr_panics()
{
unsafe {
AttachShader(2, 30);
}
}
}
|