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nir/lower_tex: Use tex_instr_dest_size for txs destinations

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Using coord_components of the source texture is correct for everything
except cube maps where it's off by one.

Reviewed-by: Eric Anholt <eric@anholt.net>
Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>
Reviewed-by: Connor Abbott <cwabbott0@gmail.com>
This commit is contained in:
Jason Ekstrand 2017-03-02 19:27:57 -08:00
parent fffa4111df
commit 0bf0365393
1 changed files with 2 additions and 1 deletions
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3
src/compiler/nir/nir_lower_tex.c
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@ -172,7 +172,8 @@ get_texture_size(nir_builder *b, nir_tex_instr *tex)
txs->src[0].src = nir_src_for_ssa(nir_imm_int(b, 0));
txs->src[0].src_type = nir_tex_src_lod;
nir_ssa_dest_init(&txs->instr, &txs->dest, tex->coord_components, 32, NULL);
nir_ssa_dest_init(&txs->instr, &txs->dest,
nir_tex_instr_dest_size(txs), 32, NULL);
nir_builder_instr_insert(b, &txs->instr);
return nir_i2f(b, &txs->dest.ssa);