1struct Color { 2 half red; 3 half green; 4 half blue; 5 half alpha; 6}; 7 8half4 helper() { 9 Color c; 10 c.red = 0.0; 11 c.green = 1.0; 12 c.blue = 0.0; 13 c.alpha = 1.0; 14 return half4(c.red, c.green, c.blue, c.alpha); 15} 16 17half4 main(float2 coords) { 18 return helper(); 19} 20