1extern crate rust_graphics_library_loader as loader;
2
3fn main() {
4 #[cfg(target_os = "windows")]
5 let library_name = "opengl32.dll";
6 #[cfg(target_os = "linux")]
7 let library_name = "libGL.so";
8 #[cfg(target_os = "macos")]
9 let library_name = "/System/Library/Frameworks/OpenGL.framework/Libraries/libGL.dylib";
10
11 let linker = loader::Linker::new(library_name).expect(&format!("Can not find {} library.", library_name));
12 let fun_name = "glBindVertexArray";
13 let bind_vertex_array: Option<extern "C" fn(u32)> = linker.get_function(fun_name);
14 if bind_vertex_array.is_some() {
15 println!("{} found", fun_name);
16 } else {
17 println!("{} not found", fun_name);
18 }
19}