diff options
| author | José Fonseca <jfonseca@vmware.com> | 2010-10-06 14:06:14 +0100 |
|---|---|---|
| committer | José Fonseca <jfonseca@vmware.com> | 2010-10-06 18:46:29 +0100 |
| commit | 4648846bd6c376877f024ccf300ceac5b0b3dcd6 (patch) | |
| tree | 46bab37d4f04b5ff498de00495db0684f7b5338c /src/gallium/auxiliary/gallivm/lp_bld_sample.c | |
| parent | df3505b19341424a605be703a27f50ea585ad71f (diff) | |
gallivm: Use a faster (and less accurate) log2 in lod computation.
Diffstat (limited to 'src/gallium/auxiliary/gallivm/lp_bld_sample.c')
| -rw-r--r-- | src/gallium/auxiliary/gallivm/lp_bld_sample.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/src/gallium/auxiliary/gallivm/lp_bld_sample.c b/src/gallium/auxiliary/gallivm/lp_bld_sample.c index aee94c1b86..9dee653eee 100644 --- a/src/gallium/auxiliary/gallivm/lp_bld_sample.c +++ b/src/gallium/auxiliary/gallivm/lp_bld_sample.c @@ -243,7 +243,11 @@ lp_build_lod_selector(struct lp_build_sample_context *bld, } /* compute lod = log2(rho) */ +#if 0 lod = lp_build_log2(float_bld, rho); +#else + lod = lp_build_fast_log2(float_bld, rho); +#endif /* add shader lod bias */ if (lod_bias) { |