nannou_wgpu 0.19.0

Items related to wgpu and its integration in nannou - a creative coding framework for Rust.
Documentation 
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struct FragmentOutput {
    @location(0) out_color: vec4<f32>,
};

@group(0) @binding(0)
var tex: texture_2d<f32>;
@group(0) @binding(1)
var tex_sampler: sampler;

@fragment
fn main(
    @location(0) tex_coords: vec2<f32>,
) -> FragmentOutput {
    let out_color: vec4<f32> = textureSample(tex, tex_sampler, tex_coords);
    return FragmentOutput(out_color);
}