llvmpipe: clamp texcoords in lp_build_sample_compare()
See previous commit for more info. NOTE: This is a candidate for the 7.10 branch.
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@ -1108,6 +1108,11 @@ lp_build_sample_compare(struct lp_build_sample_context *bld,
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coord, tex);
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}
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/* Clamp p coords to [0,1] */
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p = lp_build_clamp(&bld->coord_bld, p,
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bld->coord_bld.zero,
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bld->coord_bld.one);
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/* result = (p FUNC texel) ? 1 : 0 */
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res = lp_build_cmp(texel_bld, bld->static_state->compare_func,
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p, texel[chan]);
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