13 if (sign(-abs(arg0)) != -sign(abs(arg1)))
14 color = vec4(1.0, 0.0, 0.0, 1.0);
15 else if (sign(-abs(arg0)) != -abs(sign(arg1)))
16 color = vec4(0.5, 0.0, 0.5, 1.0);
17 else if (sign(-abs(arg0)) != expect)
18 color = vec4(0.0, 0.0, 1.0, 1.0);
20 color = vec4(0.0, 1.0, 0.0, 1.0);
22 gl_Position = gl_Vertex;
34 uniform vec4 arg0 -5.0 5.0 0.0 0.0
35 uniform vec4 arg1 -2.0 2.0 0.0 0.0
36 uniform vec4 expect -1.0 -1.0 0.0 0.0
38 probe rgb 1 1 0.0 1.0 0.0