tpg_g_bytesperline
mp->plane_fmt[p].bytesperline = tpg_g_bytesperline(&dev->tpg, p);
return tpg_g_bytesperline(tpg, plane);
unsigned plane_w = tpg_g_bytesperline(tpg, p);
return tpg_g_bytesperline(tpg, plane) * tpg->buf_height /