Lines Matching refs:dudy
1636 const float dudy, const float dvdy,1650 float uy = dudy * scaling;1831 float dudy = (s[QUAD_TOP_LEFT] - s[QUAD_BOTTOM_LEFT]) * s_to_u;1840 float Py2 = dudy * dudy + dvdy * dvdy;1898 dudx, dvdx, dudy, dvdy, rgba);