// Runtime shaders require specific main signatures. Test that older signatures, or those intended // for color filters don't work. // Expect 4 errors half4 main() { return half4(1); } half4 main(half4 color) { return color; } half4 main(float2 xy, half4 color, half4 bonusColor) { return color; } half4 main(half4 outOfOrderColor, float2 outOfOrderXy) { return color; } half4 main(float2 xy, half4 color) { return color; } // the correct signature is allowed