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authorBrian Paul <[email protected]>2011-03-07 18:59:39 -0700
committerBrian Paul <[email protected]>2011-03-07 18:59:42 -0700
commit2c1ef65a04de8d61fddee55c7a2f0673d69235d5 (patch)
tree3110a55c8e7c8342c7a01b8566eb5410a13f5a69
parent0eef561a5bb10df343837d58d37d5c0d5b708243 (diff)
llvmpipe: clamp texcoords in lp_build_sample_compare()
See previous commit for more info. NOTE: This is a candidate for the 7.10 branch.
-rw-r--r--src/gallium/auxiliary/gallivm/lp_bld_sample_soa.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/src/gallium/auxiliary/gallivm/lp_bld_sample_soa.c b/src/gallium/auxiliary/gallivm/lp_bld_sample_soa.c
index 1fec3adf5b1..9961ba08f3a 100644
--- a/src/gallium/auxiliary/gallivm/lp_bld_sample_soa.c
+++ b/src/gallium/auxiliary/gallivm/lp_bld_sample_soa.c
@@ -1108,6 +1108,11 @@ lp_build_sample_compare(struct lp_build_sample_context *bld,
coord, tex);
}
+ /* Clamp p coords to [0,1] */
+ p = lp_build_clamp(&bld->coord_bld, p,
+ bld->coord_bld.zero,
+ bld->coord_bld.one);
+
/* result = (p FUNC texel) ? 1 : 0 */
res = lp_build_cmp(texel_bld, bld->static_state->compare_func,
p, texel[chan]);