Module: Mesa Branch: master Commit: 205a3ce5c158349dda7082f44e95301526b9f183 URL: http://cgit.freedesktop.org/mesa/mesa/commit/?id=205a3ce5c158349dda7082f44e95301526b9f183
Author: Roland Scheidegger <[email protected]> Date: Thu Oct 22 23:58:50 2015 +0200 gallivm: fix tex offsets with mirror repeat linear Can't see why anyone would ever want to use this, but it was clearly broken. This fixes the piglit texwrap offset test using this combination. Reviewed-by: Dave Airlie <[email protected]> Reviewed-by: Jose Fonseca <[email protected]> --- src/gallium/auxiliary/gallivm/lp_bld_sample_soa.c | 9 +++++---- 1 file changed, 5 insertions(+), 4 deletions(-) diff --git a/src/gallium/auxiliary/gallivm/lp_bld_sample_soa.c b/src/gallium/auxiliary/gallivm/lp_bld_sample_soa.c index 125505e..26bfa0d 100644 --- a/src/gallium/auxiliary/gallivm/lp_bld_sample_soa.c +++ b/src/gallium/auxiliary/gallivm/lp_bld_sample_soa.c @@ -405,16 +405,17 @@ lp_build_sample_wrap_linear(struct lp_build_sample_context *bld, break; case PIPE_TEX_WRAP_MIRROR_REPEAT: + if (offset) { + offset = lp_build_int_to_float(coord_bld, offset); + offset = lp_build_div(coord_bld, offset, length_f); + coord = lp_build_add(coord_bld, coord, offset); + } /* compute mirror function */ coord = lp_build_coord_mirror(bld, coord); /* scale coord to length */ coord = lp_build_mul(coord_bld, coord, length_f); coord = lp_build_sub(coord_bld, coord, half); - if (offset) { - offset = lp_build_int_to_float(coord_bld, offset); - coord = lp_build_add(coord_bld, coord, offset); - } /* convert to int, compute lerp weight */ lp_build_ifloor_fract(coord_bld, coord, &coord0, &weight); _______________________________________________ mesa-commit mailing list [email protected] http://lists.freedesktop.org/mailman/listinfo/mesa-commit
