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nir: Add a helper for adding texture instruction sources

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Reviewed-by: Lionel Landwerlin <lionel.g.landwerlin@intel.com>
This commit is contained in:
Jason Ekstrand
2017-10-16 08:50:23 -07:00
parent 31fb7bbe0b
commit 41c75b5354
4 changed files with 29 additions and 43 deletions
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22
src/compiler/nir/nir.c
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@@ -541,6 +541,28 @@ nir_tex_instr_create(nir_shader *shader, unsigned num_srcs)
return instr;
}
void
nir_tex_instr_add_src(nir_tex_instr *tex,
nir_tex_src_type src_type,
nir_src src)
{
nir_tex_src *new_srcs = rzalloc_array(tex, nir_tex_src,
tex->num_srcs + 1);
for (unsigned i = 0; i < tex->num_srcs; i++) {
new_srcs[i].src_type = tex->src[i].src_type;
nir_instr_move_src(&tex->instr, &new_srcs[i].src,
&tex->src[i].src);
}
ralloc_free(tex->src);
tex->src = new_srcs;
tex->src[tex->num_srcs].src_type = src_type;
nir_instr_rewrite_src(&tex->instr, &tex->src[tex->num_srcs].src, src);
tex->num_srcs++;
}
void
nir_tex_instr_remove_src(nir_tex_instr *tex, unsigned src_idx)
{