// The image this instance draws, bound for it alone.
@group(2) @binding(0)
var image: texture_2d<f32>;
@group(2) @binding(1)
var samp: sampler;

@fragment
fn fs_main(in: VertexOutput) -> @location(0) vec4<f32> {
    return masked(in, textureSample(image, samp, in.uv));
}