nannou 0.19.0

A Creative Coding Framework for Rust.
Documentation 
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struct Data {
    proj: mat4x4<f32>,
};

struct VertexOutput {
    @location(0) color: vec4<f32>,
    @location(1) tex_coords: vec2<f32>,
    @location(2) mode: u32,
    @builtin(position) pos: vec4<f32>,
};

@group(0) @binding(0)
var<uniform> uniforms: Data;

@vertex
fn main(
    @location(0) position: vec3<f32>,
    @location(1) color: vec4<f32>,
    @location(2) tex_coords: vec2<f32>,
    @location(3) mode: u32,
) -> VertexOutput {
    let out_pos: vec4<f32> = uniforms.proj * vec4<f32>(position, 1.0);
    return VertexOutput(color, tex_coords, mode, out_pos);
}