1#version 400
2float _determinant2(mat2 m) {return m[0].x*m[1].y - m[0].y*m[1].x;}out vec4 sk_FragColor;
3uniform mat2 testMatrix2x2;
4uniform vec4 colorGreen;
5uniform vec4 colorRed;
6vec4 main() {
7 return _determinant2(testMatrix2x2) == -2.0 ? colorGreen : colorRed;
8}
9