#version 450
layout(location = 0) out vec4 FragColor;
void main()
{
FragColor = vec4(1.0);
for (int i = 0; i < 4; i++)
switch (i)
case 0:
FragColor.x += 1.0;
break;
}
case 1:
FragColor.y += 3.0;
default:
FragColor.z += 3.0;