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Lines Matching refs:dudx

1635                   const float dudx, const float dvdx,
1648    float ux = dudx * scaling;
1830    float dudx = (s[QUAD_BOTTOM_RIGHT] - s[QUAD_BOTTOM_LEFT]) * s_to_u;
1839       float Px2 = dudx * dudx + dvdx * dvdx;
1898                         dudx, dvdx, dudy, dvdy, rgba);