Function Identity

engine/Poseidon/Graphics/Shadow/ShadowMath.cpp:50–58

}

Mat4 Identity()
{
    Mat4 r;
    r.at(0, 0) = 1.0f;
    r.at(1, 1) = 1.0f;
    r.at(2, 2) = 1.0f;
    r.at(3, 3) = 1.0f;
    return r;
}

Mat4 Mul(const Mat4& a, const Mat4& b)
{