From: Roland Scheidegger <srol...@vmware.com>
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.
---
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);
--
2.1.4
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