smaa 0.14.0

A library for post process antialiasing using SMAA
Documentation 
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# smaa-rs [![crates.io](https://img.shields.io/crates/v/smaa.svg)](https://crates.io/crates/smaa) [![docs.rs](https://docs.rs/smaa/badge.svg)](https://docs.rs/smaa)

Post-process antialiasing for wgpu-rs, relying on the [SMAA reference implementation](https://github.com/iryoku/smaa).

# Example

```rust
// Create SMAA target
let mut smaa_target = SmaaTarget::new(
    &device,
    &queue,
    window.inner_size().width,
    window.inner_size().height,
    swapchain_format,
    SmaaMode::Smaa1X,
);

// Main loop
event_loop.run(move |event, event_loop| {
    if let Event::WindowEvent { event, .. } = event {
        match event {
            WindowEvent::RedrawRequested => {
                let output_frame = surface.get_current_texture().unwrap();
                let output_view = output_frame.texture.create_view(&Default::default());
                let smaa_frame = smaa_target.start_frame(&device, &queue, &output_view);

                // Render the scene into `*smaa_frame`.
                // [...]

                smaa_frame.resolve();
                output_frame.present();
            }
            _ => {}
        }
    }
});

```