out vec4 sk_FragColor;
void main() {
    mat3x4 z = mat2x4(1.0) * mat3x2(1.0, 0.0, 0.0, 1.0, vec2(2.0, 2.0));
    vec3 v1 = mat3(1.0) * vec3(2.0);
    vec3 v2 = vec3(2.0) * mat3(1.0);
    sk_FragColor = vec4(z[0].x, v1 + v2);
    mat2 m5 = mat2(mat2(vec4(1.0, 2.0, 3.0, 4.0))[0][0]);
    sk_FragColor = vec4((((((((((mat2(vec4(1.0, 2.0, 3.0, 4.0))[0][0] + mat2(vec4(0.0))[0][0]) + mat2(vec4(1.0, 2.0, 3.0, 4.0))[0][0]) + mat2(1.0)[0][0]) + m5[0][0]) + mat2(1.0, 2.0, 3.0, 4.0)[0][0]) + mat2(5.0, vec3(6.0, 7.0, 8.0))[0][0]) + mat3x2(vec2(1.0, 2.0), 3.0, vec3(4.0, 5.0, 6.0))[0][0]) + mat3(1.0)[0][0]) + mat4(1.0)[0][0]) + mat4(2.0)[0][0]);
}