- if (0 && modifier == LP_BLD_TEX_MODIFIER_EXPLICIT_DERIV) {
- lp_build_emit_fetch( &bld->bld_base, inst, 1 , LP_CHAN_ALL);
- lp_build_emit_fetch( &bld->bld_base, inst, 2 , LP_CHAN_ALL);
+ if (modifier == LP_BLD_TEX_MODIFIER_EXPLICIT_DERIV) {
+ /* probably not going to work */
+ derivs.ddx[0] = lp_build_emit_fetch( &bld->bld_base, inst, 1 , LP_CHAN_ALL);
+ derivs.ddy[0] = lp_build_emit_fetch( &bld->bld_base, inst, 2 , LP_CHAN_ALL);