5 layout(location = 0) out mediump vec4 FragColor;
6 layout(location = 0) in vec4 in0;
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);