gl-headless

Simplest way to create a headless OpenGL context.

```rust use glheadless::glheadless;

fn main() { unsafe { example(); } }

[gl_headless]

unsafe fn example() { let mut buffers = [0u32; 2]; gl::CreateBuffers(buffers.len() as i32, buffers.asmut_ptr()); println!("{:?}", buffers); } ```