[Mesa-dev] [PATCH 4/8] nir/lower_tex: Use tex_instr_dest_size for txs destinations

Jason Ekstrand jason at jlekstrand.net
Sat Mar 4 01:12:28 UTC 2017


Using coord_components of the source texture is correct for everything
except cube maps where it's off by one.
---
 src/compiler/nir/nir_lower_tex.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/compiler/nir/nir_lower_tex.c b/src/compiler/nir/nir_lower_tex.c
index 66e2317..213406a 100644
--- a/src/compiler/nir/nir_lower_tex.c
+++ b/src/compiler/nir/nir_lower_tex.c
@@ -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);
-- 
2.5.0.400.gff86faf



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