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(model.position, 1.0); return out; } @fragment fn fs_main(in: VertexOutput) -> @location(0) vec4<f32> { return vec4(in.color, 1.0); }