Searched refs:dtdy (Results 1 – 3 of 3) sorted by relevance
196 int32_t dtdy = Hcr / h; // dtdy = ((Hcr/h)/Ht)*Ht in gglBitBlit() local198 int32_t t0 = Vcr - gglMulx(dtdy, y); // t0 = Vcr - y * dtdy in gglBitBlit()204 texcoords[5] = dtdy; in gglBitBlit()
1696 ti.dsdx = ti.dsdy = ti.dtdx = ti.dtdy = 0; in init_y()1725 ti.dtdy = t.shade.idtdy << tscale; in init_y()1729 ti.dtdy = t.shade.idtdy >> -tscale; in init_y()1841 ti.ydtdy += ti.dtdy; in step_y__generic()1881 ti.ydtdy += ti.dtdy; in step_y__tmu()
397 GGLfixed dtdy;