6 varying vec4 values[4];
10 values[0] = vec4(0.2);
11 values[index] = vec4(0.4);
12 values[2] = vec4(0.6);
13 values[3] = vec4(0.7);
14 gl_Position = gl_Vertex;
18 varying vec4 values[4];
23 gl_FragColor = (f0 * values[0] +
34 probe rgba 1 1 0.4 0.4 0.4 0.4