Lines Matching refs:dtdy
1676 // therefore will update dtdy, however, in 1:1 mode1678 ti.dsdx = ti.dsdy = ti.dtdx = ti.dtdy = 0;1707 ti.dtdy = t.shade.idtdy << tscale;1711 ti.dtdy = t.shade.idtdy >> -tscale;1823 ti.ydtdy += ti.dtdy;1863 ti.ydtdy += ti.dtdy;