wgpu/naga/tests/in/debug-symbol-simple.wgsl

struct VertexInput {
    @location(0) position: vec3<f32>,
    @location(1) color: vec3<f32>,
};

struct VertexOutput {
    @builtin(position) clip_position: vec4<f32>,
    @location(0) color: vec3<f32>,
};

@vertex
fn vs_main(
    model: VertexInput,
) -> VertexOutput {
    var out: VertexOutput;
    out.color = model.color;
    out.clip_position = vec4<f32>(model.position, 1.0);
    return out;
}

// Fragment shader

@fragment
fn fs_main(in: VertexOutput) -> @location(0) vec4<f32> {
    var color = in.color;
    for (var i = 0; i < 10; i += 1) {
        var ii = f32(i);
        color.x += ii*0.001;
        color.y += ii*0.002;
    }

    return vec4<f32>(color, 1.0);
}