1#version 450
2
3precision highp float;
4
5layout(location = 0) out mediump vec4 FragColor;
6layout(location = 0) in vec4 in0;
7
8void main()
9{
10    switch(int(in0.w)) {
11    case 0: FragColor = vec4(in0.x + 0); break;
12    case 1: FragColor = vec4(in0.y + 1); break;
13    case 2: FragColor = vec4(in0.z + 2); break;
14    default: FragColor = vec4(-1);
15    }
16}
17