msaa.rs

        // WINDOW SETUP
        let gl = video.gl_attr();
        gl.set_context_version(GL_MAJOR_VERSION, GL_MINOR_VERSION);
        gl.set_context_profile(sdl2::video::GLProfile::Core);
        gl.set_red_size(5);
        gl.set_green_size(5);
        gl.set_blue_size(5);
        gl.set_alpha_size(8);
        gl.set_multisample_buffers(1);
        gl.set_multisample_samples(4);
        let mut window_builder = video.window(window_title, screen_width, screen_height);
        if window_mode.resizable {
            window_builder.resizable();
        }
        let (window, gl_context, device, mut factory, color_view, depth_view) =
            gfx_window_sdl::init(window_builder)?;

        // println!("Vsync enabled: {}", vsync);
        GraphicsContext::set_vsync(&video, window_mode.vsync);

        let display_index = window.display_index()?;
        let dpi = window.subsystem().display_dpi(display_index)?;

        // GFX SETUP
        let encoder: gfx::Encoder<gfx_device_gl::Resources, gfx_device_gl::CommandBuffer> =
            factory.create_command_buffer().into();

        let shader_set = factory.create_shader_set(
            include_bytes!("shader/basic_150.glslv"),
            include_bytes!("shader/basic_150.glslf")
        ).unwrap();

        let rasterizer = gfx::state::Rasterizer {
            front_face: gfx::state::FrontFace::CounterClockwise,
            cull_face: gfx::state::CullFace::Nothing,
            method: gfx::state::RasterMethod::Fill,
            offset: None,
            samples: Some(gfx::state::MultiSample)
        };

        let pso = factory
            .create_pipeline_state(
                &shader_set,
                gfx::Primitive::TriangleList,
                rasterizer,
                pipe::new()
            )?;