diff options
| author | Nicolai Hähnle <[email protected]> | 2017-06-09 15:13:08 +0200 |
|---|---|---|
| committer | Nicolai Hähnle <[email protected]> | 2017-07-31 14:55:28 +0200 |
| commit | b27c2d402efb7dfbc6a8b9a6cbd2008cac3753e3 (patch) | |
| tree | 1f7b6c6194f733ed0bb5ce6a30ceeee5f3c79607 /src/compiler/nir/nir.c | |
| parent | 540b1a8f0b19fa06303500f82824b209ef8f8ef5 (diff) | |
nir: add nir_instr_rewrite_deref
Allows modifying a texture instruction's texture and sampler derefs.
Reviewed-by: Jason Ekstrand <[email protected]>
Diffstat (limited to 'src/compiler/nir/nir.c')
| -rw-r--r-- | src/compiler/nir/nir.c | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/src/compiler/nir/nir.c b/src/compiler/nir/nir.c index b608b2a0d64..b33f56d3d3a 100644 --- a/src/compiler/nir/nir.c +++ b/src/compiler/nir/nir.c @@ -1509,6 +1509,19 @@ nir_instr_rewrite_dest(nir_instr *instr, nir_dest *dest, nir_dest new_dest) src_add_all_uses(dest->reg.indirect, instr, NULL); } +void +nir_instr_rewrite_deref(nir_instr *instr, nir_deref_var **deref, + nir_deref_var *new_deref) +{ + if (*deref) + visit_deref_src(*deref, remove_use_cb, NULL); + + *deref = new_deref; + + if (*deref) + visit_deref_src(*deref, add_use_cb, instr); +} + /* note: does *not* take ownership of 'name' */ void nir_ssa_def_init(nir_instr *instr, nir_ssa_def *def, |