1 2out vec4 sk_FragColor; 3uniform vec4 colorGreen; 4uniform vec4 colorRed; 5vec4 main() { 6 float result = 0.0; 7 mat2 a = mat2(mat3(1.0)); 8 result += a[0].x; 9 mat2 b = mat2(mat4(1.0)); 10 result += b[0].x; 11 mat3 c = mat3(mat4(1.0)); 12 result += c[0].x; 13 mat3 d = mat3(mat2(1.0)); 14 result += d[0].x; 15 mat4 e = mat4(mat3(mat2(1.0))); 16 result += e[0].x; 17 mat2 f = mat2(mat3(mat4(1.0))); 18 result += f[0].x; 19 return result == 6.0 ? colorGreen : colorRed; 20} 21