glutin 0.0.16

Cross-plaform OpenGL context provider.
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glutin - OpenGL, UTilities and INput

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Alternative to GLFW in pure Rust.

Build Status Build status

[dependencies]
glutin = "*"

Note that the crates.io version won't compile on OS/X and Android because the required dependencies haven't been uploaded yet. Instead you can use the git version which works everywhere:

[dependencies.glutin]
git = "https://github.com/tomaka/glutin"

Documentation

Try it!

git clone https://github.com/tomaka/glutin
cd glutin
cargo run --example window

Usage

Glutin is an OpenGL context creation library and doesn't directly provide OpenGL bindings for you.

[dependencies]
gl = "*"
libc = "*"
extern crate glutin;
extern crate libc;
extern crate gl;

fn main() {
    let window = glutin::Window::new().unwrap();

    unsafe { window.make_current() };

    unsafe {
        gl::load_with(|symbol| window.get_proc_address(symbol));

        gl::ClearColor(0.0, 1.0, 0.0, 1.0);
    }

    while !window.is_closed() {
        window.wait_events();

        unsafe { gl::Clear(gl::COLOR_BUFFER_BIT) };

        window.swap_buffers();
    }
}

Platform-specific notes

Android

  • To compile the examples for android, initialize the submodules, go to deps/apk-builder/apk-builder and run cargo build, then go back to glutin and call ANDROID_HOME=/path/to/sdk NDK_HOME=/path/to/ndk NDK_STANDALONE=/path/to/standalone cargo test --no-run --target=arm-linux-androideabi
  • Events and vsync are not implemented
  • Headless rendering doesn't work

Emscripten

  • Work will start when Emscripten gets updated to LLVM 3.5 (which should happen soon)

OS/X

  • Some events are not implemented
  • Implementation is still work-in-progress
  • Vsync not implemented
  • Changing the cursor (set_cursor) is not implemented

Win32

  • You must call glFlush before swap_buffers, or else on Windows 8 nothing will be visible on the window
  • Changing the cursor (set_cursor) is not implemented

X11

  • Some input events are not implemented
  • Pixel formats not implemented
  • Vsync not implemented
  • Not all mouse cursors are implemented (ContextMenu, ...)