1 2uniform vec2 u_skRTFlip; 3out vec4 sk_FragColor; 4uniform vec4 testInputs; 5uniform vec4 colorGreen; 6uniform vec4 colorRed; 7vec4 main() { 8 vec4 expected = vec4(0.0); 9 return ((((((u_skRTFlip.y * dFdy(testInputs.x)) == expected.x && (u_skRTFlip.y * dFdy(testInputs.xy)) == expected.xy) && (u_skRTFlip.y * dFdy(testInputs.xyz)) == expected.xyz) && (u_skRTFlip.y * dFdy(testInputs)) == expected) && sign((u_skRTFlip.y * dFdy(coords.xx))) == vec2(0.0, 0.0)) && sign((u_skRTFlip.y * dFdy(coords.yy))) == vec2(1.0, 1.0)) && sign((u_skRTFlip.y * dFdy(coords))) == vec2(0.0, 1.0) ? colorGreen : colorRed; 10} 11