struct VertexOutput {
@builtin(position) position : vec4<f32>,
@location(0) frag_uv : vec2<f32>,
}
@vertex
fn main(
@location(0) position : vec4<f32>,
@location(1) uv : vec2<f32>
) -> VertexOutput {
var output : VertexOutput;
output.position = position;
output.frag_uv = uv;
return output;
}