| struct Output { |
| @builtin(position) Position : vec4<f32>, |
| @location(0) color : vec4<f32>, |
| }; |
| @vertex fn main( |
| @builtin(vertex_index) VertexIndex : u32, |
| @builtin(instance_index) InstanceIndex : u32) -> Output { |
| // TODO: remove workaround for Tint unary array access broke |
| let zv : array<vec2<f32>, 4> = array<vec2<f32>, 4>( |
| vec2<f32>(0.2, 0.2), |
| vec2<f32>(0.3, 0.3), |
| vec2<f32>(-0.1, -0.1), |
| vec2<f32>(1.1, 1.1)); |
| let z : f32 = zv[InstanceIndex].x; |
| var output : Output; |
| output.Position = vec4<f32>(0.5, 0.5, z, 1.0); |
| let colors : array<vec4<f32>, 4> = array<vec4<f32>, 4>( |
| vec4<f32>(1.0, 0.0, 0.0, 1.0), |
| vec4<f32>(0.0, 1.0, 0.0, 1.0), |
| vec4<f32>(0.0, 0.0, 1.0, 1.0), |
| vec4<f32>(1.0, 1.0, 1.0, 1.0) |
| ); |
| output.color = colors[InstanceIndex]; |
| return output; |
| } |
