gallivm: use trunc, not round in lp_build_nearest_mip_level()

Fixes fd.o bug 28036 (piglit fbo-cubemap.c regression)
2010-07-06 13:22:54 -06:00
parent 7743791da0
commit e503af4baa
1 changed files with 1 additions and 1 deletions
@@ -961,7 +961,7 @@ lp_build_nearest_mip_level(struct lp_build_sample_context *bld,
                                               bld->builder, unit);

   /* convert float lod to integer */
-   level = lp_build_iround(float_bld, lod);
+   level = lp_build_itrunc(float_bld, lod);

   /* clamp level to legal range of levels */
   *level_out = lp_build_clamp(int_bld, level, zero, last_level);