1 2out vec4 sk_FragColor; 3uniform vec4 colorGreen; 4uniform vec4 colorRed; 5struct InnerLUT { 6 vec3 values; 7}; 8struct OuterLUT { 9 InnerLUT inner[3]; 10}; 11struct Root { 12 OuterLUT outer[3]; 13}; 14vec4 main() { 15 Root data; 16 data.outer[0].inner[0].values = vec3(1.0, 10.0, 100.0); 17 data.outer[0].inner[1].values = vec3(2.0, 20.0, 200.0); 18 data.outer[0].inner[2].values = vec3(3.0, 30.0, 300.0); 19 data.outer[1].inner[0].values = vec3(4.0, 40.0, 400.0); 20 data.outer[1].inner[1].values = vec3(5.0, 50.0, 500.0); 21 data.outer[1].inner[2].values = vec3(6.0, 60.0, 600.0); 22 data.outer[2].inner[0].values = vec3(7.0, 70.0, 700.0); 23 data.outer[2].inner[1].values = vec3(8.0, 80.0, 800.0); 24 data.outer[2].inner[2].values = vec3(9.0, 90.0, 900.0); 25 vec3 expected = vec3(0.0); 26 for (int i = 0;i < 3; ++i) { 27 for (int j = 0;j < 3; ++j) { 28 expected += vec3(1.0, 10.0, 100.0); 29 if (data.outer[i].inner[j].values != expected) { 30 return colorRed; 31 } 32 for (int k = 0;k < 3; ++k) { 33 if (data.outer[i].inner[j].values[k] != expected[k]) { 34 return colorRed; 35 } 36 } 37 } 38 } 39 return colorGreen; 40} 41